Rotary Work - Horizontal Axis Patents (Class 29/38B)
  • Patent number: 6119330
    Abstract: A fully automatic cutting metal-working machine, which includes a material feed unit, a cutting metal-working main unit controlled to process metal rod material delivered from the material feed unit into finished products, and a waste material conveyer controlled to collect and carry waste material out of the cutting metal-working main unit, wherein the cutting metal-working main unit includes a machine base, a casing mounted on the machine base, a material cut-off shaft assembly controlled to cut metal rod material from the material feed unit into individual workpieces, a plurality of processing shaft assemblies mounted around the casing, a rotary center fixture holder mounted within the casing at the center and controlled to carry workpiece to each of the processing shaft assemblies in proper order to receive a respective processing procedure, and a steering shaft assembly controlled to reverse the position of workpiece at each fixture.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: September 19, 2000
    Inventor: Chin Chung Cheng
  • Patent number: 5904082
    Abstract: In order to improve a multiple-spindle turning machine, comprising a machine frame, a cylinder rotatable around an essentially horizontal rotational axis relative to the machine frame, work piece spindles arranged on the cylinder in respective individual positions with spindle axes, which are aligned essentially parallel to the rotational axis and which during the machining of a work piece are movable relative to the cylinder by means of linear drives in the direction of their spindle axis and independently of one another, and tools arranged on tool supports for machining the work pieces held in the work piece spindles, in such a way as to allow the respective work piece spindle to be positioned as precisely as possible in the direction of its spindle axis, it is proposed that each of the work piece spindles is allocated its own linear drive disposed on the cylinder to move it in the direction of the spindle axis, and that the work piece spindle is constantly coupled to the linear drive.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: May 18, 1999
    Assignee: Index-Werke GmbH & Co. KG Hahn & Tessky
    Inventors: Helmut Link, Guenther-Heinrich Trautmann
  • Patent number: 5826318
    Abstract: A fast feeder unit for an automatic machine for machining the cylindrical surface of bottle closure caps, including a feeder carousel, which is provided with devices for supporting and rotationally actuating it coaxially and in step with the carousel of the machine and whereon a plurality of axially slidable stems are mounted; the stems direct, towards the chucks of the machine, respective half-shells for supporting the caps and are connected to respective axial translatory motion devices adapted to move the half-shells from a position that is spaced from the chucks and co-planar to the openings of a fixed guide for feeding the caps to be machined and of a fixed guide for removing the machined caps, to a position for fitting a cap on the chuck and a position for removing the cap from the chuck.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: October 27, 1998
    Assignee: Sacmi Cooperativa Meccanici Imola S.c.r.l.
    Inventor: Loretto Sullalti
  • Patent number: 5815902
    Abstract: The rotary transfer machine for machining a workpiece using fixed-cycle control has a centrally disposed rotary indexing table which is driven according to a fixed cycle, can rotate about a vertical axis and at the outer circumference of which a plurality of clamping means for holding a workpiece are disposed radially at a spacing from one another, and a plurality of machining units for machining the workpieces, which units are disposed around the outer circumference of the rotary table such that they lie substantially opposite corresponding clamping means in an indexed position of the rotary indexing table.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: October 6, 1998
    Assignee: Ottobeurer Facondreherei Alois Berger
    Inventors: Otto Osterried, Josef Wintergerst, Helmut Berger
  • Patent number: 5808893
    Abstract: A system for adapting existing conventional screw machines to be capable of computer numerical control operation. The system incorporates the use of a VersaCam device which replaces the turret cam of a single spindle screw machine. The VersaCam system monitors the motion of the screw machine camshaft and actuates the turret slide in synchronization with the camshaft. The VersaCam system also provides a means of specifying the desired turret slide trajectory for any given job.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: September 15, 1998
    Assignee: AMT Machine Systems, Ltd.
    Inventors: Dennis R. Pugh, William Blair Shook, Thomas M. Walliser, Vincent J. Vohnout
  • Patent number: 5661883
    Abstract: A machine tool comprises at least one revolvable spindle having an end for supporting a work piece, a first processing tool disposed opposite to the end of the spindle for processing the work piece, a second processing tool disposed parallel to the first processing tool, and a revolving unit for revolving the spindle about a central revolving axis to place the end of the spindle opposite to the second processing tool for processing the work piece. A chamber is disposed on the outer peripheral surface of the work spindle. A pair of inlet and outlet connections are revolved integrally with the work spindle and are arranged on opposite sides of the central revolving axis. Connecting pipes connect the inlet and outlet connection on one side of the central revolving axis to the inlet and outlet connection at the opposite side of the central revolving axis through the chamber. A coolant supply pipe is provided for supplying a coolant to the chamber through the inlet and outlet connections and the connecting pipes.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: September 2, 1997
    Inventor: Katsuhiro Kajiura
  • Patent number: 5452502
    Abstract: A turret-type machine tool has a workpiece support that can be indexed incrementally by a step-drive and is locked to be stationary in angular positions corresponding to individual machining stations. In the individual machining stations, machining units are provided, each of them carrying a machining spindle. Workpiece holders are supported on the workpiece supports with planet axes located in at least one horizontal plane; the planet axes extend at a tangent to and radially spaced apart from the vertical switching axis of the workpiece support and are each aligned in pairs parallel to one another.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: September 26, 1995
    Assignee: Witzig & Frank Turmatic GmbH
    Inventors: Heinz Walter, Wolfgang Grau, Helmut Heselschwerdt
  • Patent number: 5421072
    Abstract: A device for machining a plurality of workpieces. The device having a plurality of identical independent machining assemblies attached on a rotating carousel plate such that one operator can unload and load a workpiece at one machining assembly while the other machining assemblies are machining the workpiece therein such that when a machining assembly returns from rotation on the carousel plate it is finished machining.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: June 6, 1995
    Assignee: Kurt Manufacturing Company, Inc.
    Inventor: William G. Kuban
  • Patent number: 5349889
    Abstract: A slide (4) made up of a table (8) and a base (11) is actuated radially relative to a workpiece (M) to be machined via a stud (17) adjustable in a slot (16). The position of the stud can be regulated by means of a screw and a motor. A roller (24) borne by the stud then moves along another slot (25) in an arm (26) integral with a shaft (7f). The oscillations of the shaft are controlled by a control cam. Displacement of the stud relative to the pivot point of the arm permits the transmission ratio, hence the course of travel of the slide, to be varied. The angle .alpha. between the directions of the slots is other than zero at the end of the travel, so that the final position of a tool (29) can be adjusted by means of the control motor.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: September 27, 1994
    Assignee: Tornos-Bechler SA
    Inventor: Jean C. Simonin
  • Patent number: 5261148
    Abstract: The present invention relates to a rotary vice construction which can be specifically applied on the rotary table of a transfer machining apparatus, which vice comprises a first and second bodies, opposite to one another and forming a vice assembly adapted to hold a workpiece to be machined, which is supported by a rotary table. Inside each of the vice bodies there is rotatably supported a supporting shaft which supports the vice jaws for holding the workpiece, a removably locking ring element being moreover provided in each body for the rotation of the shaft, which can be disengaged by means of a hydraulic cylinder, and to each shaft, on the side thereof opposite to the jaws, there is keyed a gear element which can be removably connected to an outer drive assembly in order to rotate the shaft.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: November 16, 1993
    Inventor: Ignazio Ettori
  • Patent number: 5193422
    Abstract: A multispindle automatic lathe has a main shaft drive motor (M3) for driving spindles (13) via a driving power transmission system (2a, 12, 14, 15, 20, 21, 22, 27, 28, 31), a feed and index driving motor (M2) operating a low and high speeds in timed sequence for feeding a plurality of cross tool slides (16) via a feed driving system (3a, 61, 62, 64, 65, 67, 68, 69, 70) and indexing the spindle carrier (11) via an index driving system (62, 71, 72, 73, 74, 75, 76, 77), and a feed and index drive motor (M1) for feeding a plurality of end tool slides (18) via a feed driving system (4a, 18a, 78, 79).
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: March 16, 1993
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yuuichi Mukai, Yoshitoshi Ito, Takayuki Nagato, Tamotsu Tonomura
  • Patent number: 5176052
    Abstract: A multi-spindle automatic lathe (11) includes a spindle carrier (12) mounted freely rotatable in an indexing fashion relative to a head stock (13), a plurality of workpieces (W) supported in spindles (14) on the head stock and freely rotatably driven on the same circumference, a plurality of tool slides (15) and integral tool holders positioned around the spindle carrier (12), one tool slide and integral tool holder being provided for each of the spindles and arranged on the head stock (13) so that each tool (27) mounted on each tool holder (25) is; freely reciprocable in dual directions, one direction parallel with the axis of the spindle and the other direction normal to that axis, for processing a workpiece.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: January 5, 1993
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventor: Yuuichi Mukai
  • Patent number: 5154105
    Abstract: A pick off attachment for use with automatic multiple spindle machines includes a spindle and housing to be mounted within a sliding workholder, which is moveable along the longitudinal slide of the workstation of the cutting machine. The spindle is mounted upon a splined shaft which is mechanically linked to the spindle via a collet at one end and connected to the machine gear box at the other. The shaft extends partially into the spindle where it is connected to an ejector. The face of the ejector rests inside the shoulder of another collet. This collet is mounted on the interior of the spindle and serves to hold the part to be machined during the machining cycle. Two adjustable nuts on the shaft allow the positions of the part holding collet and the ejection mechanism with respect to the part to be machined to be varied.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: October 13, 1992
    Assignee: Sloan Valve Company
    Inventor: Boris Berdich
  • Patent number: 5044055
    Abstract: A clamping mechanism is provided to prevent movement of the rotatable stock carrier of a multiple spindle bar machine after it has rotated into position for the machining operation. The clamping mechanism comprises a controllable locking pin to engage indexing pin slots on the stock carrier, a passive pressure brake located opposite the locking pin, and a hydraulically actuated pressure brake in the same quadrant as the locking pin. The hydraulically actuated brake clamps the carrier against the passive brake, and in combination with the locking pin holds the carrier against movements caused by the forces of the machining tools. The hydraulic brake is released by a programmable controller to allow intended rotation of the carrier to a new position.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: September 3, 1991
    Assignee: Parker Hannifin Corporation
    Inventors: Richard F. Howarth, Robert A. DiDomizio, W. Edward Johnston
  • Patent number: 5042126
    Abstract: On a processing machine having a tool-holding frame (13) facing a mutli-spindle barrel (3), one of the work stations is equipped with a support (23) bearing a spindle (38) capable of being driven axially (22) and rotatingly (C). During the cycle of operations, an auxiliary chuck mounted in a body (39) can move to grasp the end of a bar or a workpiece (57) and guide it into the field of a milling cutter (60). An AZ2C-axis control makes it possible, for example, to machine a helical groove in the cylindrical flank of the workpiece.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: August 27, 1991
    Assignee: Tornos-Bechler SA, Fabrique de Machines Moutier
    Inventor: Jean C. Simonin
  • Patent number: 5016334
    Abstract: A multiple spindle bar machine which includes a carrier rotatively supporting a plurality of spindles. The carrier is rotatable to index the spindles to a successive work station. Separate spindle drives supported by the carrier are provided to rotate each spindle independently of each other spindle. Each spindle drive includes a motor supported by the frame and a clutch assembly for transferring rotative motion from the motor to the drive means. Each clutch assembly includes two clutch plates which are separable to allow rotation of the carrier to index the spindles.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: May 21, 1991
    Assignees: Shenyang No. 3 Machine Tool Works, Key Machine Tool, Incorporated
    Inventors: Thomas R. Kovalenko, Lu B. Xin
  • Patent number: 4942650
    Abstract: A method and means for accurately positioning a tool slide in an automatic machining apparatus. Said method and means utilizing a fluid operated drive means, a linear position detecting means, an encoder means operatively associated with said linear position detecting means, means for controlling fluid flow to said fluid operated drive means and a programmable controller means for receiving and storing control data information and for receiving coded information for comparison to said control data information and for outputting a signal to control the operation of said fluid drive means.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: July 24, 1990
    Inventor: Richard F. Howarth
  • Patent number: 4793039
    Abstract: In its simplest form, the automatic transmission machine under discussion, with electronically controllable intermittently rotating table (FIG. 1), is made up of an annular base support (1) consisting of two half-plates (1' and 1") on whose opposite external surface are fastened, on radial axes, operating units (6, 11, etc.) achieving a notable plurality of axes, and containing guide elements (2 and 4) of a ring (3) holding collet-holding table (24), achieving the extreme precision and rigidity of the table itself which is rapidly substitutable by another one with different functions or dimensions, making possible great versatility, being able to have collets (23) as fixed axes, orientable or dynamic and placed axially or radially or both.
    Type: Grant
    Filed: August 27, 1987
    Date of Patent: December 27, 1988
    Assignee: Tecnodelta S.A.
    Inventor: Elis Mantovani
  • Patent number: 4779318
    Abstract: A multiple spindle machine includes a plurality of spindles mounted in a spindle assembly which sequentially indexes workpieces through a plurality of spindle stations by rotating the spindle assembly around its axis. The control and drive system for the multiple spindle machine includes a first variable speed motor for driving the spindles and a second variable speed motor for driving a camshaft. The camshaft drives the indexing mechanism and a main cam which reciprocates a tool slide and a first set of tools mounted on the tool slide relative to the spindle assembly. A second set of tools is mounted around the spindle assembly and independent NC motors drive the second set of tools. A microprocessor independently controls the speed of the first and second variable speed motors and the NC motors to provide flexible control of the multiple spindle machine.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: October 25, 1988
    Assignee: Litton Industrial Automation Systems, Inc.
    Inventor: Douglas J. Henderson
  • Patent number: 4739872
    Abstract: A parts handling apparatus is provided for moving parts from a pick up and loading station into a machining station. A parts supply and feeding device is mounted on a main frame adjacent a parts turnaround device also mounted on the main frame. A swing arm assembly is rotatably mounted to the frame and includes two arm chucks at the end of the swing arm opposite the rotatably mounted end. The swing arm chucks are themselves capable of rotation so as to load and unload parts from the parts feeding device and the parts turnaround device as well as to deliver parts to the machining station.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: April 26, 1988
    Assignee: AMSTED Industries Incorporated
    Inventors: Kenneth W. Roberts, Jack A. Patty
  • Patent number: 4621405
    Abstract: A drive mechanism for the main spindle of a rotating tool turret machine, including a drive motor driving a worm carried in an eccentric mounting, rotation of the mounting effecting movement of the worm in an arcuate path into or out of engagement with a worm wheel.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: November 11, 1986
    Assignee: The 600 Group Public Limited Company
    Inventors: Peter H. Cook, Derek W. Hillyard
  • Patent number: 4620359
    Abstract: A method and an apparatus for manufacturing rigid computer memory disc substrates is disclosed wherein the apparatus comprises a circular base plate, the base plate being mounted horizontally for rotation about a vertical axis; a plurality of spindles rotatably mounted on motors mounted on the base plate, the spindles extending radially outwardly from the base plate, in equally spaced relationship therearound, the outwardly extending end of each spindle including a fastening means for mounting a rigid disc to be processed thereon; a plurality of work stations spaced around the circular base plate for performing work operations on the discs; and a motor for rotating the base plate so as to convey each of the discs consecutively to each of the work stations.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: November 4, 1986
    Assignee: Charlton Associates
    Inventors: Richard J. Charlton, Leland R. Krueger, Richard M. Noling, Jimmy G. Saunders, Richard J. Elliott
  • Patent number: 4524654
    Abstract: A multi-spindle automatic screw machine having its principal working parts mounted on a weldment. A circular array of tool holders is mounted directly on top of the weldment, and a corresponding array of work spindles is mounted coaxially and in end-to-end confrontation with the tool holders upon a shaft cantilevered on the weldment.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: June 25, 1985
    Inventor: Leslie G. Lucey
  • Patent number: 4290178
    Abstract: A machine to assemble electrical contact retention clips in an insulator including an indexing turret having jaws, a jaw operator, a clip carrying strip feed, a clip loading and clip shear-from-strip mechanism, an X-Y table driven by a conventional microcomputer numerical control to position the insulator and a plunger reciprocable through the jaws to insert clips into the insulator holes.
    Type: Grant
    Filed: May 10, 1978
    Date of Patent: September 22, 1981
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Egon F. Friese
  • Patent number: 4202228
    Abstract: The present invention is concerned with a method of and apparatus for cutting a slab from a body of uncured light-weight concrete, resting on a support surface. The method comprises the step of moving the body of uncured light-weight concrete along a longitudinal axis of said support surface through a predetermined distance; cutting a slab from said body while supporting the front face of said slab, moving the slab away from said body along an extension of said longitudinal axis; and subsequently moving the slab along at least one arcuate movement path in a plane perpendicular to said support surface and parallel to said longitudinal axis. The apparatus for performing the methods includes a sequentially moveable work feed means, a wire cutter mechanism for cutting a slab from the face of the concrete and a carosel-like pneumatic suction device for holding and transporting the cut slab to subsequent spraying, shaping and stacking stations.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: May 13, 1980
    Assignee: Internationella Siporex AB
    Inventor: Rolf E. Goransson
  • Patent number: 4185366
    Abstract: A spindle drive for a multi spindle lathe incorporating electrically operable clutch mechanisms to engage drive to the spindles, each clutch mechanism having a part fixed to the spindle to be driven, and electromagnetic means mounted in a ring secured to the spindle mounting drum and clutch plates actuated by the electromagnetic means.
    Type: Grant
    Filed: July 21, 1978
    Date of Patent: January 29, 1980
    Assignee: Wickman Machine Tool Sales Ltd.
    Inventor: Harold J. Gilbert
  • Patent number: 4058035
    Abstract: The invention relates to an automatic lathe for machining workpieces in the form of bars or pressings and capable of carrying out machining operations on these workpieces additional to those that are nominally possible.
    Type: Grant
    Filed: June 30, 1976
    Date of Patent: November 15, 1977
    Assignee: Eunipp AG.
    Inventor: Hermann Flisch
  • Patent number: 4008634
    Abstract: A multispindle automatic lathe in which a plurality of axially movable spindle sleeves, each carrying a rotatable spindle axially immovably with respect to each sleeve, are mounted in opposite end portions of a drum, which, in turn, is mounted in transversely spaced upright supports for indexing movement about its axis, and in which an advancing mechanism is provided for each of the spindle sleeves.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: February 22, 1977
    Assignee: Eunipp AG
    Inventor: Hermann Flisch
  • Patent number: 3990133
    Abstract: A multi-station machine tool wherein the bed of the frame supports two spaced-apart upright columns and the columns support an indexible shaft for a turret which is disposed between the columns. The turret has several sets of clamping jaws for elongated rod-shaped workpieces which are introduced and removed at a first station or which are introduced at a first station and removed at a second station. The number of stations may greatly exceed two, and each column supports several spindles including at least one rotary and axially movable tool spindle and at least one axially movable and preferably rotary work spindle. Each spindle in one of the carriers is coaxial with a spindle in the other carrier, and the turret indexes the workpieces in such a way that they come to rest between successive or selected pairs of coaxial spindles.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: November 9, 1976
    Assignee: Gildemeister Aktiengesellschaft
    Inventors: Erhard Schalles, Werner Latten
  • Patent number: 3981056
    Abstract: A drive mechanism for producing angular movement of at least one work spindle of a multi or single spindle lathe comprising an electrical stepping motor arranged to drive the spindle through gearing and a one way clutch, to allow the spindle to be angularly orientated for carrying out cross drilling or other operations on workpieces held in the work sindle.
    Type: Grant
    Filed: June 27, 1974
    Date of Patent: September 21, 1976
    Assignee: Wickman Machine Tool Sales Limited
    Inventors: Harold James Gilbert, Edmund Alexander McConnell
  • Patent number: 3978565
    Abstract: A multiple-spindle machine wherein two upright or horizontal frame members support two spaced-apart coaxial carriers for sets of work spindles. Each spindle of one carrier is aligned with a spindle of the other carrier, and the carriers are indexible in synchronism with each other by a mechanism which also serves to move carriages for turning, grinding, milling and/or other types of tools. The carriages are mounted on several elongated guide members which extend between and are connected to the frame members. Each work spindle can be provided with a chuck or collet, or the spindles in one of the carriers may have chucks or collets whereas the spindles of the other carrier support or constitute centers for elongated workpieces. If the workpieces are short, the machine may include a mechanism which transfers workpieces from the chucks of spindles in one of the carriers into the chucks of spindles in the other carrier whereby the workpieces are inverted end-for-end during transport between the two carriers.
    Type: Grant
    Filed: September 5, 1974
    Date of Patent: September 7, 1976
    Assignee: Eunipp AG
    Inventor: Hermann Flisch
  • Patent number: 3948121
    Abstract: The loader is adapted for feeding workpieces having a basic hole onto the spindles of a rotor-type automatic machine-tool during operation of the rotor carrying said spindles. The loader has a feed chute containing oriented workpieces, which, when in the machine loading position, makes up an angle with the axis of the spindle rotation so that the spindle itself is adapted, during rotor rotation, to effect a frictional catching of a workpiece from the feed chute at the top point of the basic hole thereof. For positively feeding said workpiece onto the spindle, provision is made for a pusher so arranged that its butt end facing the spindle is essentially at the same level with the top portion of the feed chute.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: April 6, 1976
    Inventors: Grigor Arutjunovich Shaumian, deceased, by Alexandra Gavrilovna Strizhova, administrator, by Sergei Grigorievich Shaumian, administrator, by Era Grigorievna Kurpekova, administrator, by Grinteza Grigorievna Shaumian, administrator