Abstract: In a processing device which includes a pair of rotatable rolls and a support for supporting a coil of foil-like material, a device is provided for feeding the leading end of the outer turn of the coil of foil-like material into the gap between the rolls. The device comprises a structure which is movable along a path which brings it close to the periphery of the coil and to the roll gap. The structure includes suction apparatus for picking up the outer turn of the coil and apparatus for blowing air over a surface of the leading end of the foil to cause the leading end to tauten and enter into the roll gap.

Abstract: An apparatus for reliably engaging and supporting a motor vehicle frame for use in vehicle frame and body straightening. The illustrated apparatus includes a plurality of frame engaging clamping heads which each comprise a pair of relatively movable jaw supports, biasing springs interposed between the supports for biasing the supports in a jaw opening position, clamping bolts extending through said supports for selectively moving the jaw supports into clamping position against the biasing force of the interposed springs, and clamping jaws carried by said supports with a floating mounting that permits limited pivotal jaw movement relative to the supports during clamping for enhancing reliable engagement of the jaws with a vehicle frame regardless of surface irregularities.

Abstract: A tightening device for the gripping jaws of a plate stretcher comprises one push rod for each pair of gripping jaws sliding in guides in the gripping head in the stretching plane, and having hinged thereto two link rods which are also hinged to the gripping jaws, the gripping jaw moving synchronously rearwards for the closing operation and forwards for the opening operation, in two guides disposed in V-formation to each other. The link rods are coupled to the gripping jaws in a disengageable manner to avoid damage to the link rods and tightening device if tearing of the plate takes place during the stretching operation, or on account of any difference in the gripping of the plate by the upper and lower gripping jaw causing generation of very large but different forces on the two link rods. The link rods are in the form of angle levers each having a long and short arm pivotally connected to the hydraulically mobile push rod.

Abstract: A work handling assembly deposits a workpiece travelling from a pick-up point to a deposit point in the die space of a drop-forging press. The assembly comprises a pincer assembly mounted on a hinged quadrilateral mechanism to move between a workpiece pick-up station and a workpiece deposit work station. The hinged quadrilateral mechanism is driven by a crank gear assembly and includes one fixed side portion and two hinged side portions movably mounted to the fixed hinged side portion. The pincer assembly is rotatably connected to the free ends of the movable hinged side portions. Each of the movable hinged portions include a lever member with one of the lever members being longer than the other lever member. The longer lever member is rotatably connected to a front portion of the pincer assembly.

Abstract: The article handling assembly includes a lifting beam having a support with a plurality of workpiece grasping members. The support is moved inwardly and outwardly with respect to the work stations of the forging press. A spraying mechanism is also provided to move inwardly and outwardly with respect to the work stations of the forging press. A control mechanism operates the movement of the lifting beam having the workpiece grasping members effecting movement from one work station to the next. The movement is effected along the length of the forging press work stations outside of the area of the work stations. The movement of the spraying mechanism into and out of the work stations is synchronized with the movement of the workpiece grasping members moving into and out of the work stations to initially grasp workpieces and then to release the workpieces in the next work station. These operations are effectuated while the forging press is in an open position.

Abstract: A crank type, C-frame pressing machine in which a robot for loading a workpiece and unloading a fabricated product is built-in within a space enclosed by the frame behind a fabricating station, with a pair of chucks on a feed bar extending across the front of the machine. The robot comprises a lift cam and a feed cam. Swing arms are provided each of which abuts the periphery of each of the cams, which arms are adapted to be actuated in conformity with the cam profiles. An actuation system is operatively connected to the swing arms and serves to transmit the actuation of swing arms to the feed bar. The actuation system includes a lift arm operatively engaging the swing arm for the lift cam and a drive arm operatively engaging the swing arm for the feed cam, the lift arm and the drive arm being constructed so that both are coupled to the feed bar, the former being movable vertically and the latter being movable vertically and laterally, to thereby transmit the vertical and lateral movements to the feed bar.

Abstract: A pair of elongated clamp levers are provided and interconnected intermediate their opposite ends for substantially coplanar relative oscillation of the levers to inversely swing corresponding pairs of ends of the levers toward and away from each other. One pair of lever ends defines opposing jaw ends between which a sheet metal marginal portion may be clamped and a wedge assembly is moveably connected between the other pair of ends of the levers and includes operating structure moveable lengthwise of the levers and to which one end of an elongated pull member may be anchored.

Abstract: An automatic unit for hot molding, e.g., forging or stamping, and subsequent trimming of metal parts. A molding press and a trimming press are served by two robot pairs. One robot of one pair delivers hot ingots to the molding press, the other pair of robots moves the part being molded step-by-step through successive stampings, and the other robot of the first pair delivers the fully molded part to the trimming press. The robots of the second pair move in mirror-image relation. The ends of the robot arms of the second pair are accommodated by depressions in the molds during the various stamping operations.

Abstract: A mechanism for successively feeding sheetlike workpieces into a press in timed relation to the up-and-down motion of a slide carrying an upper die. Linked to an infeed cam mechanism which is driven from the same shaft as is the press slide, a carriage reciprocates horizontally between a retracted position away from the dies and a loading position close thereto. The carriage carries a pair of gripping jaw assemblies for gripping each workpiece in the retracted position of the carriage and releasing the workpiece in the loading position. Each gripping jaw assembly comprises upper and lower jaws jointly movable along a pair of guide rods extending at an angle to the plane of the horizon, the lower jaw being further cam-operated for pivotal motion toward and away from the upper jaw. The infeed cam mechanism driving the carriage is provided with a lockpin for retaining the carriage in the retracted position during replacement of the press dies.

Abstract: In a straight side press having a bed, a reciprocal slide, a power drive for the slide and apparatus for feeding a stock strip into the dies, the improvement of modifying the press to function as a transfer press by replacing the conventional die set with a plurality of longitudinally spaced sequential dies upon a die shoe secured to the bed to define a series of stations. A plurality of corresponding sequential punches are mounted upon a die shoe secured to the slide, and a pair of slide bars are reciprocally mounted upon the bed outwardly of the dies mounting pairs of opposed workpiece gripping fingers adapted for engagement with the respective workpieces at each station. A slide bar translator is mounted upon a sub-plate and has a reciprocal end plate connected to the slide bars for transferring the workpieces from station to station. The translator is adapted for alternately moving the slide bars towards and away from each other.

Abstract: In the method of the invention starting sheets are stiffened and straightened by pressing or rolling upon the sheet various stiffening patterns projecting from the plane of the sheet, the starting sheet being rolled or pressed from both sides by means of a roller or a press the opposite surfaces of which have the patterns, while the starting sheet is suspended by its lugs.An apparatus is disclosed having conveyors for conveying the starting sheets and a roller or press for embossing stiffening patterns upon the starting sheets, the roller or press having two parallel rollers or press plates, provided with regularly alternating depressions and corresponding protrusions, at least one of the press plates being movable in the lateral direction, the roller or press being mounted below the suspension conveyor for the starting plates in such a manner that a starting sheet suspended by its lugs from the suspension conveyor passes through the roller or press.

Abstract: A transfer for hot forging machines or the like is disclosed. Such transfer includes a gripper support structure including a housing providing a longitudinal bore in which spaced cylindrical sleeve bearings are mounted. A gripper support provides the cylindrical portion journaled in the bearings for limited longitudinal movement. Mounted within an axial bore in the gripper support is a spring which resiliently urges the support in the direction of workpiece gripping. The support is provided with a longitudinal opening through which a key projects to prevent relative rotation between the housing and the support, and against which one end of the spring abuts. The housing provides substantially full enclosure of the working parts of the gripper to prevent damage by scale or the like.

Abstract: A forging manipulator has a traction drive with toothed wheels meshing with racks. The toothed wheels are coaxial with rail wheels supporting the manipulator and are mounted as close as possible to output shaft bearings of the drive which bearings are journalled in bearings in the chassis. Torque reaction is absorbed by members articulated to the drive transmission casing and directly or indirectly to the chassis side members.

Abstract: A supply of elongated metal tubes are successively transferred laterally to and from a reducing position aligned with the axis of a hollow spindle, and one end of each tube is clamped by a gripper mechanism mounted on a carriage supported between two vertically spaced horizontal lead screws. Each tube is fed by the carriage onto a non-rotatable mandrel located within a non-rotatable guide tube supported within the spindle. The mandrel is supported by a mandrel rod and a centering cone movable axially on the rod within the guide tube, and the mandrel is positioned within a zone where a set of shear forming wheels are orbited around the metal tube by an annular forming head supported by the spindle. While the head is rotating, the orbiting forming wheels are movable radially in response to movement of an eccentric cam mechanism operated by an actuating tube carried within the spindle.

Abstract: A hydraulic control circuit (10) for operating a loader (12) of a machine for splining an annular thin-wall sleeve of a power transmission member is disclosed as including valving (116) for communicating supply and return conduits (102,116) with load and unload cylinders (14,16) to provide loading and unloading movements. Load and unload valves (118,120) of the valving have load cycle positions where the load cylinder drives both the loading and unloading members (26,28) which clamp a thin-wall member during such movement to provide loading thereof for splining. In an unload cycle position of the valves, both the load and unload cylinders are hydraulically driven in an unloading direction opposite to the loading movement. The loading and unloading members (26,28) are moved away from each other by their associated cylinders in an index cycle of the valves to permit indexing of a load table (30) under the operation of an index valve (162) of the circuit.

Abstract: A loader (12) for a spline rolling machine wherein die and mandrel teeth (26,42) mesh with the thinwall sleeve (44) of a power transmission member (30) located therebetween to form splines therein is disclosed as including a loading member (58) with a locator (68) on a rotatable clamp (66) thereof and as including an unloading member (60) having a depression (72) that receives the locator (68) so as to permit clamping of an end wall (46) of the power transmission member (30) in an accurately located relationship while still ensuring disengagement during unloading upon movement of the loading and unloading members (58,60) away from each other at an associated load table (36).

Abstract: A wire feed mechanism for use in conjunction with a nail forming machine. The wire feed includes a wire clamping device connected through appropriate linkages to a reciprocating hammerslide located within the nail machine. The hammerslide is movable between extended and retracted positions for forming the nail head. Due to the direct positive linkage between the hammerslide and the wire clamping device, feeding movement of the wire into the nail machine is achieved as a direct result of hammerslide movement, thereby obviating the need for cumbersome and elaborate linkages currently in use.

Abstract: A method and apparatus is disclosed for removing any out-of-round condition found in deformable metal cylinders by means of gripping the vertically aligned cylinder successively between a pair of spaced apart endless conveyor belts. The metal cylinders are fed to said pair of endless conveyor belts by moving alignment means which orients each cylinder with the cylindrical axis in a vertical direction and aligns said vertically oriented cylinders in a row while being fed to the cooperating belt members. In a preferred embodiment, the cylinder alignment is accomplished with a vertical gas column while the cylinders are proceeding in a horizontal direction.

Abstract: A conventional rotary forging machine (M) includes a chuck (C) for gripping a workpiece (W) for moving it axially and for rotating the workpiece during the upset forging operation. The chuck may tend to deform the workpiece and relative axial and rotational movement may occur between the workpiece and chuck, thus requiring a prolonged cycle time for the operation. This invention overcomes the above problems by providing a pusher block (10) having grippers (17) thereon for engaging an end of the workpiece to push it through a pair of forging dies (D) and for simultaneously gripping and rotating the workpiece to prevent relative rotation therebetween. In carrying forth the method of this invention, the pusher block engages an annular (W') of the workpiece.

Abstract: A billet loader for an extrusion press having simple premeasured adjustment capabilities facilitating the sequential loading of different diameter billets into a billet container therewith without requiring difficult realignment adjustments. The billet loader comprises a head having a pair of angled support surfaces, with a third adjustable support arm therebetween, permitting simple adaptability to a plurality of billet diameters. The head also includes a shearable connection with its support arm to minimize damage in case of loader malfunction.

Abstract: A puller for extrusion profiles at an extruder is disclosed including a carriage which is movable on rails along a runout conveyor for the extrusion profiles and at which a puller head with a fixed and a movable clamping jaw is arranged for pivotal movement about a vertical axis so that the puller head may be swung laterally out of the runout conveyor. The two clamping jaws extend approximately across the width of the runout conveyor, and the movable clamping jaw comprises a plurality of clamping segments which are supported at the puller head for free swinging movement about a horizontal axis and adapted to be pivoted in opening sense by a drive means.

Abstract: A manual stock feeder apparatus for feeding stock to a machine for processing said stock, said manual stock feeder having a moveable carriage capable of engaging a length of linear stock and capable of sliding along a plurality of parallel linear guide members toward said machine while engaging such length of linear stock and thereby feeding such linear stock into the machine for processing said stock. The apparatus further includes a second stock engagement means for engaging and securing the stock while the carriage 4 is being repositioned to its initial starting place to resume the feeding of stock to the machine for processing said stock.

Abstract: The present invention relates to a safety mechanism for a multiphase forming machine, in which trigger signalling is used to automatically stop the machine by means of the insulation state formed between one leg of a clamp and a stock conveyor to which the clamp is attached as well as whether a nut stock is firmly held by the clamp so as to prevent any part of the machine from being damaged or destroyed.

Abstract: A drawing-in dog for a wire drawing machine has gripping surfaces formed on two opposed wedge members. Both wedge members are slideably mounted in a housing which tapers towards the aperture through which the wire is to be inserted. One wedge member is coupled by a toggle link to a lever pivoted on the housing, whereby the wedge member may be moved between a released position and a position where it is urged by the lever and toggle link into positive gripping engagement with the wire. The other wedge member is freely slideable so as to enable the dog to accommodate wire of a range of diameters.

Abstract: A wire insertion guide may be used with a wide variety of closed barrel electrical contacts. The wire insertion guide includes a housing, a movable funnel located within the housing, a fixed funnel nested within the movable funnel, and a contact holder mounted in spaced relation with the movable funnel.The wire insertion guide is used in concert with a crimper assembly, but is a separate apparatus, and may be used with a wide variety of crimper assemblies either of the manual or automatic type.

Abstract: A cyclically operable machine having a work station where a blank is deformed into a work product and in which the work product is ejected on to a conveyor oscillated between that station and another conveyor to which the work product is delivered synchronously.

Abstract: Described is a portable hand operable tube crimping device. The tube to be crimped is manually moved to the crimping die by means of a ratchet and pawl assembly connected to a drive means and the crimping die is manually operable by engaging a toggle assembly connecting a three piece male die set.

Abstract: A transfer mechanism for horizontal forging machines, particularly useful for transferring relatively large workpieces which incorporate a porter bar, such transfer mechanism comprising a collet and a collet holder, both being mounted for in and out movement on a movable transfer plate, the collet being movable toward the workpiece with respect to the holder to grip the workpiece therein, with the transfer plate being supported for swivel movement on an axis to swing the collet and thus the workpiece to clear the stationary dies of the forging press, the transfer plate also being movable to index the workpiece gripped by the collet from a loading station through successive forging die stations.

Abstract: A longwall mining system having a longwall mining machine and a conveyor operatively associated therewith. Haulage being effected through rack and pinion means. The pinion has roller means rotatably mounted on the pinion teeth. The conveyor rack has root sections sloping toward the conveyor path.

Abstract: A multi station metal forming press comprising: a single reciprocating ram; a plurality of tools carried by said ram in fixed positions relative thereto and individually being disposed at the stations, said tools being mounted for simultaneous movement with said ram jointly the same linear distance, whereby the maximum amount of linear movement of said ram and said tools is limited by the inherent configuration of said press thereby limiting the length of work piece drawing capacity of said tools; a transfer means for carrying work piece sequentially in a predetermined manner to each station; and an additional pair of tools at two of the stations; and means mounting said additional pair of tools on said ram for simultaneous movement therewith but a linear distance greater than the linear distance said ram moves, whereby said additional pair of tools have a work piece drawing capacity greater than that of said tools.

Abstract: Method and apparatus for forming material by passing it through a container, in which the material receives the force required to form it by contact with driven, recirculating members which make up the inner wall of the container and define the passage available for the material. This passage may be of constant cross-section, or may diverge. The invention includes both the extrusion of solid billet through a die held at the container outlet and the compaction of powder into a coherent solid.

Abstract: A hydraulic press is disclosed for smoothing sheet metal workpieces. A carrier plate is longitudinally moved through the press frame by a motorized conveyor linkage. The press contains a press ram which only moves laterally and not longitudinally with respect to the workpiece conveyed by the carrier plate. The ram is mounted so that its lateral movement above the workpiece is not restricted and the ram can be moved to a position outward of the lateral edges of a work table on which the workpiece is positioned. Therefore, pressure can be applied to any point on the sheet metal workpiece and the loading and unloading of such workpiece is facilitated. Additionally, the press is provided with a detachable connecting plate which structurally supports the ram mounting assembly but can be easily removed to facilitate ram removal for maintenance or exchange purposes.

Abstract: A stamping press having a workpiece transfer mechanism connected thereto. The transfer mechanism includes a reciprocating carriage having a rigid cross arm thereon extending transverse to the path of travel of the carriage. A pair of laterally spaced, parallel finger bars extend lengthwise of the path of travel of the carriage and have one end thereof fixedly mounted on and supported on the opposite ends of the cross arm such as to reciprocate with the carriage. The other ends of the finger bars are slideably supported adjacent the die in the press. The finger bars have fingers thereon which are movable preferably in a vertical plane between work-engaging and work-releasing positions. In one embodiment the fingers are fixedly mounted on the finger bars and the finger bars are rotated to actuate the fingers in a vertical plane between work-engaging and work-releasing position. In another embodiment the fingers are raised and lowered in a vertical plane parallel to the axis of each finger bar.

Abstract: The invention relates to a process and a device for controlling the manipulator movements in a forming machine, in particular a hammer-forcing press, operating automatically in accordance with a workpiece program.

Abstract: The arm of a forging manipulator has tongues at one end for engaging with a workpiece and is journaled for rotation about a horizontal axis. At the other end the arm carries a pair of clamps each of which has a pair of clamping jaws pivotally connected at one end and adapted to be spread apart or drawn against the arm by a spreading hydraulic cylinder at the other end of each pair of jaws. The cylinders are interconnected for reversing operation and are hydraulically linked to a pair of drive cylinders, the pistons of which are pivotally connected to the respective clamps so that one of the drive cylinders is effective to rotate the arm when its clamping cylinder draws its jaws against the arm while the other clamping cylinder spreads the other pair of jaws apart during the ineffective stroke of the drive piston.

Abstract: A machine for rolling hypoid gears, particularly ring gears, in mesh with a tool in the form of a hypoid gear. Work pieces are provided at a station with their teeth located in a precisely predetermined angular position. From this station they are transported into alignment with a rotary work spindle which at this time is fixed against rotation in a random position. The gear-like tool is secured to a spindle which is fixed in a precisely located angular position so that the teeth of the gear and tool are in proper angular alignment. The gear is fixed on the work spindle and the work and tool spindles are relatively moved to mesh the gear and tool, after which both spindles are released for rotation and one spindle is positively driven in rotation.

Abstract: An automatic forge rolling machine relates to metal-working equipment. The present invention can be most advantageously used for rolling workpieces prior to finish forging in mass production of various parts and articles.The herein proposed forge rolling machine comprises two stands each accommodating two shafts carrying roll-forging dies and a means for feeding a workpiece to said dies, said means being provided with a guide for the workpiece and a conveyer having a hauling member which carries a pusher for advancing said workpiece, and means for braking the workpiece before it is engaged by the roll-forging dies.A braking member of the braking means is disposed substantially above the guide means for advancing the workpiece being worked, said braking member being spring-biased towards the workpiece.

Abstract: A machine for rolling hypoid gears, particularly pinions having a stem projecting from one side, in mesh with a tool in the form of a hypoid ring gear. Work pieces are provided at a preliminary loading station with their teeth located in a precisely predetermined angular position. From this station they are transported into alignment with a rotary work spindle which at this time is fixed against rotation in a random position. The gear-like tool is secured to a spindle which is fixed in a precisely located angular position so that the teeth of the gear and tool are in proper angular alignment. The gear is fixed on the work spindle and the work and tool spindles are relatively moved to mesh the gear and tool, after which both spindles are released for rotation and one spindle is positively driven in rotation.

Abstract: A workpiece manipulator for holding workpieces being forged by a forging press has a tongs holder which moves with a parallel motion. The parallel motion is actuated by a hydraulic cylinder, and in the circuit which feeds this cylinder, there is a second cylinder connected to a pressure reservoir. When the pressure rises in the first cylinder during a forging stroke, the piston of the second cylinder yields to allow the first cylinder to actuate the necessary parallel motion.

Abstract: A device for slipping a tube on the mandrel of a bending machine includes a support upon which a pair of slides are slidably mounted for movement in a direction parallel to the axis of the mandrel. A double arm lever is pivotally mounted to each slide, about axes parallel to the axis of the mandrel and a cylinder is mounted between the first ends of the levers. Gripping jaws are removably mounted to holders rotatably connected to the other ends of the levers, the gripping jaws being adapted to clamp a tube to be bent therebetween on opposite sides of the mandrel. A further cylinder is provided for moving the slides in a direction parallel to the axis of the mandrel.

Abstract: A device for manipulating a hot blank relative to a forging tool in a drop hammer comprises a plurality of gripping jaws carried by a unit connected to a rotatable tongs arm, said jaws being pivotably mounted for selective movement through a limited arc toward and away from one another, and each of said jaws including a gripping claw adapted to be longitudinally displaced relative to its associated jaw. Movement of the tongs arm and associated movement of the gripping jaws and their respective gripping claws is employed to selectively position the several claws within cup-shaped recesses formed in the forging tool at positions underlying the flash of a hot blank in the tool. The unit further includes counter-holders which are positioned to overlie the forging tool in spaced relation to said flash whereby the simultaneous coaction between the gripping claws and blank and between the counter-holders and forging tool operate to break a forged blank loose from said tool.

Abstract: The provision in a conventional punch press of a cyclicly-operable transfer mechanism which is adapted to be bolted to the stationary die shoe of the press in between successive forming stations and has associated with it a pair of blank-gripping jaws which travel generally in web line fashion between first and second stations for blank-transferring purposes while at the same time rotating so that each blank is reversed from end to end upon completion of the transfer operation. During the transfer, the jaws swing or revolve in a circular path about a vertical axis so that directional reversal of the jaws accounts for a major portion of the blank displacement.

Abstract: A workpiece feed channel interposed between a metal peeling machine and straightener for elongated, rotating or non-rotating, metal workpieces. The channel includes a plurality of opposed pairs of driven profiled elements having workpiece receiving openings therebetween of a cross-sectional size approximately 1.5 to 10 times larger than the cross-sectional size of the workpieces carried therein. The workpieces are carried by and fed forwardly by the gravitational frictional engagement with the profiled elements. In one embodiment, the upper profile elements are raised to permit the release of the workpiece down inclined surfaces, rather than for the workpiece to continue on to the straightening machine.

Abstract: A manipulator system for automatically feeding blanks into a gap press and for collecting finished articles therefrom has two major parts. The first part is a revolver table and the second part is an automatic handling device, or robot. The revolver table should be located between the press and the robot. It is stepwise rotatable around a vertical axis and has a number of arms each carrying a set of tools. The robot has at least two arms swingable around a vertical axis between positions for collecting blanks, for temporary holding of semiprocessed articles, as well as for placement of blanks and semifinished articles between selected tool sets on the arms of the revolver table and for sequential working in the press and for delivery of finished articles.

Abstract: A mill is disclosed, said mill comprising a plug head for plugging tubes, one pulling device adapted to draw a tube with a plug through the plug head, a gear for taking tubes off the plug mounted in the rear portion of the pulling device and composed of power cylinders secured on the pulling device at an acute angle to a plane passing through guides of the pulling device with the rods of the power cylinders carrying jaws for gripping the tube being plugged, the jaws being attached to the rods, and two pockets wherein the tubes and plugs are placed after the tubes have been taken off the plugs. The invention is intended for providing a mill featuring an improved production rate with the ensuing augmentation of the production of a drawing mill, and having smaller overall dimensions.