Abstract: The punching machine comprises a base frame which defines an upper horizontal work table for working metal sheets and bars, an operating turret positioned above said work table and housing a punching ram, a first support member for at least one male punch holder driven rotationally by a respective first motor assembly and supported on said turret in vertical alignment below said punching ram, a second support member for a female die holder inserted in said work table in vertical alignment with said first support member and driven rotationally by a respective second motor assembly synchronised with said first motor assembly, at least one element for selection and contact with a male punch interposed between said ram and said male punch holder driven rotationally by a respective third motor assembly; said male punch holder and female die holder can be driven by respective drive arrangements with synchronous rotational movement around a common vertical axis relative to said first support member and said second s

Abstract: A notching apparatus for notching both an outer lamination and an inner lamination from a single lamination blank at s single station using a single press device includes a multi-piece die assembly provides multiple outer slot punches, multiple inner slot punches, and a separator punch. The outer slot punch portion, inner slot punch portion, and separator punch portion of the multi-piece die assembly are all selectively positionable in respective punching positions and non-punching positions to facilitate a controlled notching operation.

Abstract: A grid pattern punch type multiaxis punch device is capable of simultaneously punching punched holes of the same shape showing different shapes for every location at each of the same positions in each of the areas defined in a work. Every time a work is moved in X-axis, Y-axis directions under its controlled state, a hammer holder is moved in a horizontal direction under its controlled state, a punch drive source (a servo motor) is driven under a state in which hammers are corresponded just above optional punches at the same positions in each group of units, each of the punches present at the same positions in the group of units is punched by each of the hammers, thereby the punch holes having the same shapes showing different shapes for every location are punched simultaneously at each of the same locations within each area defined in the work.

Abstract: A device for blanking out patterns of various letters such as Alphabet or figures in a board such as paper includes a housing having a guide groove and through holes on an upper surface thereof, an upper plate having upper pattern holes faced with the through holes, a punch member interposed between the housing and the upper plate, a lower plate combined under the upper plate and having lower pattern patterns faced with the upper pattern holes on an upper surface thereof, a guide rail provided at an upper portion of the housing, and a push handle sliding along the guide rail.

Abstract: A manually operated corner cutter includes a base, a support and guide device, a blade post, multiple cutting tools, a press and control handle, and a press plate. The support and guide device includes an upright support post and a slide seat each secured on the base. Thus, the manually operated corner cutter may be operated easily, rapidly and conveniently. In addition, the cutting tool may be replaced easily and conveniently, thereby facilitating replacement of the cutting tool.

Abstract: The invention relates to a device for machining band-like or plate-like material (1), especially for punching, notching and forming it, the device comprising the body (2) of the device, at least one tool holder (3), most preferably a gap frame tool holder, between the upper branch (4) and lower branch (5) of which the material (1) to be processed is arranged to be fed, and to the upper branch (4) of which tool holder (3) is connected an upper tool magazine (6) comprising a plurality of upper tools (8), and to the lower branch (5) of which tool holder (3) is connected a lower tool magazine (7) comprising lower tools (9) corresponding to the said upper tools (8), a support means (10) for supporting the tool holder (3) movably on the body (2) of the device, a transfer means (11) for positioning the tool holder (3) in a transverse direction (B) with respect to the direction of feed (A) of the material (1) to be processed, and a power means (12) for effecting the machining movement for the tool comprised of the up

Abstract: A cutting apparatus of blade's raw material used in a paper blanking die for manufacturing paper box and the like and an automatic cutting system using this cutting apparatus. This cutting apparatus comprises: cutters more than two kinds having different cutting out or cutting off patterns arranged side by side laterally against a feeding direction of the blade's raw material; a cutter guiding section for guiding said each cutter so as to be able to perpendicularly move against a plane of said blade's raw material; a pressing means for perpendicularly moving and pressing any one of the cutters toward a plane of said blade's raw material; a cutter die for supporting said blade's raw material against the pressing force of said cutter and simultaneously interacting with said cutter whereby executing the cutting work of the blade's raw material; and a cutter selecting means for selecting such that only any one of said cutters is pressed by said pressing means.

Abstract: A modular conversion unit for converting punching machines from single-punch to multiple-punch comprises an upper main cylindrical magazine rotatably supported by a turret of the punching machine and provided with a plurality of radial seats for accommodating corresponding upper secondary cylindrical magazines, supporting a preset number of punches surmounted by corresponding hammer elements fitted so as to rotate, a corresponding lower main cylindrical die-holder magazine accommodated so as to rotate synchronously and in alignment with said upper cylindrical magazine in a hollow seat formed in a worktable of the punching machine and provided with a corresponding number of radial seats for lower secondary die-holders vertically aligned with the upper secondary magazines, each die-holder being provided with a plurality of dies whose number is equal to the number of the punches.

Abstract: A paper trimmer includes a base having a plurality of trimmer devices connected thereto and a top member is mounted on the base and has a center hole through which a tube extending from the base extends. The top member has multiple extensions which is fixed on the base and the trimmer devices are located between the extensions. A pushing handle is rotatably mounted to the tube and has a tongue extending therefrom which is located above one of the trimmer devices. The chosen trimmer device can be operated by pushing the pushing handle.

Abstract: Punch machine 30 has a plurality of punches 52, 53 and dies 54, 61 for punching a hole out of a sheet, a driving means 35 for reciprocating in a direction intersecting with respect to the punch by the driving force of driving source 33, and cam mechanisms 44, 84, 94, 62, 69 for changing the motion of the driving means into the movement direction of the punch so as to transmit to the punch between the punch and the driving means. A plurality of punches are divided into first group and second group. The cam mechanism provided between each punch of the first group and the driving means moves each punch 52 by the motion operation of the driving means in a first direction, and the cam mechanism provided between each punch of the second group and the driving means moves each punch 53 by the motion operation of the driving means in a second direction. Different pattern of punching is respectively possible by the first and second groups of punches.

Abstract: A method for removing waste from a die-cast metal workpiece includes: 1) removing run and overflow via a first cutting apparatus (10); and 2) removing burring via a second cutting apparatus (100). The first cutting apparatus includes a first upper die (12), a first lower die (40), and a plurality of pairs of aligned first punches (22). Each first punch includes a wedge-shaped first machining section (23). The second cutting apparatus includes a second upper die (102), a second lower die (140), and a plurality of second punches (122). Each second punch includes a stepped second machining section (123). The second machining section includes a plurality of progressively stepped machining portions (124). A topmost machining portion is the largest, and a bottommost machining portion is the smallest. Thus the second machining section can cut burring from the workpiece stepwisedly.

Abstract: A stamping device includes a base body; an elongated punch having a longitudinal axis; a supporting arrangement for holding the punch in the base body and for guiding the punch for axial displacements between an advanced position and a retracted position; a driving unit releasably held in the base body and including a driving device for axially displacing the punch; a coupling device having a first state in which the coupling device operatively connects the driving device with the punch and a second state in which the driving device is disconnected from the punch; and a receiving arrangement for holding the punch in a desired axial position when the coupling device is in its second state.

Abstract: An automatic hole punch is disclosed for creating holes in a sheave of sheet material. The automatic hole punch is preferably user-selectable between punching modes, such as two-hole and three-hole modes. A motor is coupled to a camshaft by a gear train. The cam shaft carries a plurality of cams each having an associated punch. As the camshaft rotates, the cams sequentially drive corresponding punches. However, depending on the selected modality, one or more punches may be idle by not being engaged with their respective cams, thus resulting in varying combinations of driven punches resulting in different hole patterns. Finally, a spacer can be inserted into a material receiving slot for adjusting the relative positioning of the material to the punches to properly position the hole pattern along an edge of the material to be punched.

Abstract: An apparatus and method are provided for loading punch pins into a punch pin holding plate of a gang-punch apparatus wherein an individual punch pin is removed from a preloaded punch pin holder or supply plate, transferred to a load station which precisely locates the punch pin shank over the pre-drilled hole in the punch pin holding plate while holding the punch perpendicular and coaxial to the hole and pushes the punch into the punch pin holding plate. A vision system is used to align the hole in the punch pin holding plate and to verify that the punch pin is properly loaded into the holding plate. The above sequence for individual punches is repeated until the desired number of punch pins are transferred from the preloaded holder to the punch pin holding plate.

Abstract: A stamping device includes a base body; an elongated punch having a longitudinal axis; a supporting arrangement for holding the punch in the base body and for guiding the punch for axial displacements between an advanced position and a retracted position; a driving unit releasably held in the base body and including a driving device for axially displacing the punch; a coupling device having a first state in which the coupling device operatively connects the driving device with the punch and a second state in which the driving device is disconnected from the punch; and a receiving arrangement for holding the punch in a desired axial position when the coupling device is in its second state.

Abstract: A stamping device includes a base body; an elongated punch having a longitudinal axis; a supporting arrangement for holding the punch in the base body and for guiding the punch for axial displacements between an advanced position and a retracted position; a driving unit releasably held in the base body and including a driving device for axially displacing the punch; a coupling device having a first state in which the coupling device operatively connects the driving device with the punch and a second state in which the driving device is disconnected from the punch; and a receiving arrangement for holding the punch in a desired axial position when the coupling device is in its second state.

Abstract: A punching machine comprising at least one punching head including a support body having a first end delimiting a peripheral shoulder, a second end, and at least two parallel seats being angularly spaced from one another and extending through said support body from said first end to said second end; a punching tool holder slibably mounted in at least one of said seats; a multiplicity of removable resilient means angularly spaced from one another, each having a first end resting on said peripheral shoulder and a second end facing away from said peripheral shoulder; an annular cap member arranged in front and spaced from said peripheral shoulder and designed to abut against said second end of said resilient means; a rotor member mounted for rotation on said annular cap member and having an inner face thereof facing towards said punching tool holder; a sliding member projecting from said inner face and arranged to slide onto said punching tool holder when said rotor member rotates; and driving means designed to

Abstract: A mold-pressing device including a seat body formed with a horizontal fissure at one end and a vertical chamber communicated with the fissure. A mold block is disposed in the chamber. One face of the mold block is disposed with a solid die, while the other face of the mold block is disposed with a channel passing through the mold block. A pressing lever is pivotally disposed in the channel of the mold block. A housing covers the seat body and is formed with a window for a pressing section of the pressing lever to extend therethrough. In use, a paper or a sheet is pushed into the fissure of the seat body and then the pressing section of the pressing lever is depressed, whereby a protuberance of the pressing lever is moved downward to force the mold block downward with the die punching the paper or the sheet placed in the fissure. Therefore, a product with a shape as that of the die is formed.

Abstract: A grid pattern punch type multiaxis punch device is capable of simultaneously punching punched holes of the same shape showing different shapes for every location at each of the same positions in each of the areas defined in a work. Every time a work is moved in X-axis, Y-axis directions under its controlled state, a hammer holder is moved in a horizontal direction under its controlled state, a punch drive source (a servo motor) is driven under a state in which hammers are corresponded just above optional punches at the same positions in each group of units, each of the punches present at the same positions in the group of units is punched by each of the hammers, thereby the punch holes having the same shapes showing different shapes for every location are punched simultaneously at each of the same locations within each area defined in the work.

Abstract: A motor-driven eyeleting machine includes two end eyeleting rod holders and two middle eyeleting rod holders respectively holding a respective eyeleting rod at one side of a revolving axle, two end cam wheels fixedly mounted on the revolving axle and rotated with the revolving axle to reciprocate the eyeleting rods in the end eyeleting rod holders respectively, two middle cam wheels respectively mounted on the revolving axle and adapted to reciprocate the eyeleting rods in the middle eyeleting rod holders selectively, and a shifter coupled to the middle cam wheels and shifted between two positions to alternatively set one middle cam wheel in the working position and the other middle cam wheel in the idle position.

Abstract: There is provided a punching device including: a die member having a plurality of die holes formed therein; a plurality of punch members which are caused to advance into the die holes to punch holes in a member to be punched; an operating member having cam portions formed along a direction intersecting the direction of advancement of the punch members, the operating member being moved along the direction intersecting the direction of advancement of the punch members to cause by a conversion function of the cam portions the punch members to advance into the die holes; and a drive unit for selectively causing advancement of the plurality of punch members by changing the direction of movement of the operating member.

Abstract: The object of the present invention is to provide a punch press capable of carrying out various processing with few tools, and the exchanging of the cartridges efficiently. The punch frame 2 including the upper and lower transferring and loading paths 17, 18 wherein the upper and lower cartridges 7 loaded with punch tool and die tool respectively can move-in or move-out freely, is employed. The ram 38 is employed for driving the punch tool of the upper cartridge 7. The transferring and loading paths 17, 18 are employed wherein the upper and lower cartridges 7 are capable of being stored and discharged to the inside and the outside of the press frame 2 independently. The upper and lower transferring and loading paths 17, 18 are capable of storing at least two cartridges 7 to the front and the back of the moving-in and moving-out direction. The cartridge transferring and loading means 17, 18 are capable of transferring independently the front and back cartridges 7.

Abstract: The present invention relates to a cutting apparatus of blade's raw material used in a paper blanking die for manufacturing paper box and the like and an automatic cutting system using this cutting apparatus. This cutting apparatus comprises: cutters more than two kinds having different cutting out or cutting off patterns arranged side by side laterally against a feeding direction of the blade's raw material; a cutter guiding section for guiding said each cutter so as to be able to perpendicularly move against a plane of said blade's raw material; a pressing means for perpendicularly moving and pressing any one of said cutters toward a plane of said blade's raw material; a cutter die for supporting said blade's raw material against the pressing force of said cutter and simultaneously interacting with said cutter whereby executing the cutting work of the blade's raw material; and a cutter selecting means for selecting such that only any one of said cutters is pressed by said pressing means.

Abstract: A punch press is replaced for processing where the punch press has a cartridge on which a plurality of tools are mounted. The punch press includes a control apparatus for controlling a press machine body and a tool information storage device for storing plural pieces of tool information and tool identification information on each of the tools in such a way that the pieces of information mutually correspond. It also includes a cartridge replacement input device for inputting the tool identification information to the control apparatus. The control apparatus has an identification device for using the input tool identification information to identify the tool information on the plurality of tools stored in the tool information storage device.

Abstract: A cutting apparatus of blade's raw material used in a paper blanking die for manufacturing paper box and the like and an automatic cutting system using this cutting apparatus. This cutting apparatus comprises: cutters more than two kinds having different cutting out or cutting off patterns arranged side by side laterally against a feeding direction of the blade's raw material; a cutter guiding section for guiding said each cutter so as to be able to perpendicularly move against a plane of said blade's raw material; a pressing means for perpendicularly moving and pressing any one of the cutters toward a plane of said blade's raw material; a cutter die for supporting said blade's raw material against the pressing force of said cutter and simultaneously interacting with said cutter whereby executing the cutting work of the blade's raw material; and a cutter selecting means for selecting such that only any one of said cutters is pressed by said pressing means.

Abstract: A modular conversion unit for converting punching machines from single-punch to multiple-punch comprises an upper main cylindrical magazine rotatably supported by a turret of the punching machine and provided with a plurality of radial seats for accommodating corresponding upper secondary cylindrical magazines, supporting a preset number of punches surmounted by corresponding hammer elements fitted so as to rotate, a corresponding lower main cylindrical die-holder magazine accommodated so as to rotate synchronously and in alignment with said upper cylindrical magazine in a hollow seat formed in a worktable of the punching machine and provided with a corresponding number of radial seats for lower secondary die-holders vertically aligned with the upper secondary magazines, each die-holder being provided with a plurality of dies whose number is equal to the number of the punches.

Abstract: Punch machine 30 has a plurality of punches 52, 53 and dies 54, 61 for punching a hole out of a sheet, a driving means 35 for reciprocating in a direction intersecting with respect to the punch by the driving force of driving source 33, and cam mechanisms 44, 84, 94, 62, 69 for changing the motion of the driving means into the movement direction of the punch so as to transmit to the punch between the punch and the driving means. A plurality of punches are divided into first group and second group. The cam mechanism provided between each punch of the first group and the driving means moves each punch 52 by the motion operation of the driving means in a first direction, and the cam mechanism provided between each punch of the second group and the driving means moves each punch 53 by the motion operation of the driving means in a second direction. Different pattern of punching is respectively possible by the first and second groups of punches.

Abstract: A gang-punch pin apparatus for punching selected hole patterns in thin sheet materials such as greensheets is provided. The gang-punch pin apparatus uses program plates in the punch apparatus which plates are positioned intermediate the non-punching end of the punch pins and a clearance plate wherein punch pins not used for punching a particular layer of the MLC are retracted into during punching. At the other punch pin locations, the punch pins, upon activation of the punch apparatus by compressing an expandable chamber, usually by application of a force on the punch apparatus, are extended through the lower portion of the punch apparatus to form vias in a greensheet. A die apparatus is also provided for use with the punch assembly to form the vias and to remove the punched material (slugs) from the die apparatus. The gang punch-pin may be shorter than conventional pins and be made at a low cost because of the thin sheet metal plates preferably used to make the component parts of the punch and die apparatus.

Abstract: A paper sheet decorative punching device is disclosed. In the punching device, a cap-shaped pressure member is movably received in an opening of a housing with two longitudinal guide pieces vertically extending from the lower edge of the pressure member. A punching blade unit, allowing the pressure member to be rotatable within a range, has two punching blade parts. The two blade parts have different punching patterns and different lengths. Both the pressure unit and the punching blade unit are biased upwardly by a compression coil spring, and so the pressure unit is normally projected from the top of the housing. Two edge guide members are symmetrically hinged to a base plate and are adjustable between a closed position for guiding a sheet's corner and an open position for guiding a sheet's side. A jig unit, seated on the base plate, consists of an upper holder member and a lower cutting member, with a paper sheet insert gap being formed between the two members.

Abstract: A punch press includes a pair of disc-shaped tool holders rotatably mounted on supporting portions, one of the holders carrying a plurality of punch tools, and the other holder carrying a plurality of die tools which cooperate with the punch tools in order to punch a workpiece. A striker is attached to a vertically movable ram, wherein the striker is movable to a position into which desired punch and die tools attached to the pair of tool holders are indexed in order to change direction of the tools by rotating the pair of tool holders.

Abstract: A punching machine includes a body frame having a table to support a workpiece. First and second work movement positioning apparatuses are mounted at both sides to move and position the workpiece in a direction of axis X. A work head is mounted on the body frame and has a ram and a tool. The work head moves on the body frame in a direction of axis Y, which is perpendicular to axis X. The first and second work movement positioning apparatuses are arranged in series in the direction of axis X. The workpiece is clamped by the first positioning apparatus, moved in the direction of axis X, punched, clamped by the second positioning apparatus, unclamped by the first positioning apparatus, and moved further in the direction of axis X.

Abstract: A flexible manufacturing press assembly for the processing of sheet material through punching and forming operations having a plurality of tool assemblies of which each, in turn, group and support a plurality of processing tools. Each tool assembly has a punch magazine, a die block, and a stripper plate for processing the sheet material in the manner of a Class A die. A sheet material positioning assembly clamps the sheet material and positions it within a two-axis plane adjacent the tool assemblies. A punching head assembly, supported by the sheet material positioning assembly, positions a punching head adjacent the grouped tool supports.

Abstract: The present invention relates to a cutting apparatus a used in a paper blanking die for manufacturing paper box and the like and an automatic cutting system using this cutting apparatus. This cutting apparatus comprises: more than two kinds of cutters having different cutting out or cutting off patterns arranged side by side laterally against a feeding direction of the raw material; a cutter guiding section for guiding each cutter so as to be able to perpendicularly move against a plane of the cutters toward a plane of the raw material; a cutter die for supporting raw material against the pressing force of the cutter and simultaneously interacting with the cutter whereby executing the cutting work of the raw material; and a cutter for selecting such that only any one of the cutters is pressed.

Abstract: A punching device comprises a housing carrying a main punch body in the form of a plate mounted for rectilinear sliding movement, the punch body comprising a driving rack extending downwardly along each side, and a plurality of integral punch members projecting downwardly in a staggered array, the punch members being waisted. The device comprises an operating handle pivotally mounted on the housing carrying drive pinions engageable with the racks, so that by movement of the handle, the punch body may be raised and lowered. The punch body additionally carries auxiliary punch members, each being mounted on the punch body for longitudinal sliding movement relative thereto.

Abstract: A punch press is provided with a tool bearing a workpiece-deforming roller, the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece supported on a surface and a raised position out of deforming contact with the workpiece. Elongated deformations may be formed in a workpiece by translating the workpiece horizontally along the surface while the roller is in its lower position. A coacting roller may be provided beneath the workpiece so that the rollers come into deforming contact with opposite sides of the workpiece to deform it as the workpiece is translated between the rollers.

Abstract: A card punch of the type having a rectangular hole punching unit driven by an operating handle through a transmission shaft to punch rectangular holes on loose leaves, the improvement comprising two driven gears meshed with two drive gears at two opposite ends of the transmission shaft, a sliding bar driven by the driven gears to force circular punching elements into holes on locating frames, which are fixed to a guide plate between two upright end plates of the base of the card punch, to punch holes on paper being inserted into the locating frames.

Abstract: Disclosed is a punch pressing machine requiring no turret, having punch units and die units as die sets, the number of which is not inferior to a turret punch pressing machine, and exhibiting a working accuracy superior to the turret punch pressing machine. A plurality of punch units and die units are disposed in two or more lines on a mounting plate member. A hammer member confronting the respective punch and die units is positioned in X-and-Y axis directions, whereby a workpiece can undergo necessary punch press working.

Abstract: A punching press according to the present invention employs a servo motor as the driving source of the punching operation to achieve fine control, and exhibits a performance which is equivalent to or higher than that of a conventional punching press which employs a hydraulic cylinder. A hammer member which performs the punching operation is coupled to a stroke member which performs a stroke motion. The stroke member is coupled to a motion converting unit which converts the rotational motion of a servo motor into a stroke motion.

Abstract: A tool changing apparatus for changing the punches and dies on a turret punch press is disclosed, wherein a carriage device provided with a upper rotatable disk on which a plurality of punches in removably supported, and a lower rotatable disk on which a die holders supporting a plurality of dies is removably supported, is positioned at the side of the turret punch press. A punch mounting/dismounting device is further provided for dismounting a punch from and mounting a punch on the upper rotatable disk and for dismounting a punch from and mounting a punch on an upper turret disk on the turret punch press. The punch mounting/dismounting device is adapted to transport the punch between the upper rotatable disk and the upper turret disk. A die mounting/dismounting device is yet further provided for moving the die holder back and forth between a lower turret disk on the turret punch press, and the lower rotatable disk.

Abstract: A linear punch press for punching sheet material is formed by an X axis central support frame having a coextensive laterally spaced parallel support table on either side. Medically located relative to its ends the central frame supports a punch station including fixed position punch and die adaptors which respectively support a cooperating punch and die. A workpiece supporting and positioning frame is longitudinally slidably supported by the central frame and in turn supports a punch head movable longitudinally of the central frame within the workpiece frame. A Y axis conveyor drive extends there between and is slidably supported at one end by the respective support table and is connected at its other end with the workpiece support frame for moving a workpiece transversely through the central support frame.

Abstract: The invention provides an automatic replacement system for automatically and efficiently replacing a bar cutter and a material transfer unit as well as all or part of plural dies and punches attached to a multi-stage press forming machine. The automatic replacement system includes a carrier for conveying tools between a multi-stage press station A including plural dies and punches and tool replacements stations B and C disposed in the vicinity of the press station A; first engagement means for detachable connecting a jig for conveying dies or punches with a material transfer unit; and second engagement means for detachable connecting the carrier with a bar cutter.

Abstract: A turret assembly for a cutting head has a glass-cutting wheel and a plastic-cutting blade portion disposed at spaced peripheral locations. Rotation of the turret body brings the cutting elements into their operative positions, and cooperating detent elements ensure reliable indexing of the turret and proper orientation of the leading edge of the plastic-cutting blade portion.

Abstract: A paper punch and binding apparatus has two punch mechanisms, one for punching round holes in a paper sheets stack and one for punching rectangular holes in another paper sheets stack. A single lever or crank simultaneously operates and drives a series of round end punches to shear the round holes and a punch plate with integral rectangular punch elements shear rectangular holes. A four-bar linkage connects the lever to the punch plate and the series of the punches in a manner that both the plate and punches are driven in a vertical straight line and with a greater mechanical advantage at the start and over the first increments of the punching operation. In a preferred embodiment, a binding station is provided in an apparatus base portion particularly for binding with a Douvry-type plastic resilient loops binding element. The binding station has an operating knob which operates a simple gear interconnect train for uncurling the resilient loops and allowing the punched hole stack to be inserted thereon.

Abstract: A dual paper binding and multiple punch apparatus (10) includes a punch lever (17) operating bending blades (58) for bending flexible studs (63) of one binding strip (60) into grooves (62) on a second apertured binding strip (61) through which the studs pass after being passed through holes of a stack of apertured paper sheets. Racks (64, 69a, 69b and 69c) and gears (66a, 66b and 70) link the punch lever (17) to a pair of shuttles (68, 72) mounting the bending blades (58). The strips (60, 61) and paper stack (6) are first compressed by a rotory pressure bar (42) containing tangential fingers (36) cam operated by a slide bar (51) by manual movement. A cover (16) encloses the compression and stud bending mechanisms when not in use and is extendible to form an additional platen (23a) to support the paper stack (6) being bound.

Abstract: A revolving cutting press comprises at least one revolving plate having a peripheral region provided with a plurality of complete tool sets, a drive for rotating the revolving plate about an axis, at least one tool set rotatable about an axis extending substantially perpendicularly to plane of the revolving plate, the tool sets being connectable with the drive of the revolving plate.

Abstract: A punch for a punch press includes a punch holder which is installed on a punch installing portion of the punch press and a plurality of punch bodies so supported on the punch holder as to be independently movable in the vertical direction. Shearing blade portions are formed on the lower ends of the respective punch bodies. The shearing blade portions have elongated configurations, each extending in a different direction in the horizontal plane.

Abstract: An improved cutter system having a plurality of cutters with inclined cutting edges which are alternately inclined to provide a cleaner cut of paper or other material.

Abstract: A punching device is provided which includes a plurality of punching units arranged in a side-by-side fashion on a substantially horizontal working surface. The device includes a plurality of punches and dies of different shaped, and a moving assembly, for supporting a holder frame, which moves a workpiece along both X- and Y-axes on a working table. A control unit is provided for inputting punching positions on the workpiece as well as the shape(s) of the holes to be punched, as well as for controlling operation of the moving assembly and punching units in response to inputted data, and for moving the punching positions of the workpiece below the desired punching units to perform punching operations. The punching units each comprises a substantially -shaped supporting member in which a piston is provided for moving a punch upwardly and downwardly. The punch is provided in one arm of the -shaped support member, with a corresponding die in a lower portion of the support member.

Abstract: A tool holder for a punching machine includes a housing attached to the frame of the machine for the purpose of accommodating a punch holder with a number of punches capable of actuation as required. The housing is essentially coaxial with the cutter slide of the machine. The punches are arranged with equal spacing around a pitch circle which is coaxial with the cutter slide and the housing, and eccentrically in relation to the cutter slide. Extending directly in line with each punch is a push-rod, which is supported in such a way as to permit its axial movement inside the housing in parallel with the common axis of the housing and the cutter slide. Each push-rod is so arranged as to be actuated by an impact heel capable of rotating relative to the housing about the axis of the latter.

Abstract: A paper punch and binding apparatus has two punch mechanisms, one for punching round holes in a paper sheets stack and one for punching rectangular holes in another paper sheet stack. A single layer or crank simultaneously operates and drives a series of round end punches to shear the round holes and a punch plate with integral rectangular punch elements shear rectangular holes. A four-bar linkage connects the lever to the punch plate and the series of the punches in a manner that both the plate and punches are driven in a vertical straight line and with a greater mechanical advantage at the start and over the first increments of the punching operation. In a preferred embodiment, a binding station is provided in an apparatus base portion particularly for binding with a Douvry-type plastic resilient loops binding element. The binding station has an operating knob which operates a simple gear interconnect train for uncurling the resilient loops and allowing the punched hole stack to be inserted thereon.