EP0073361A2 - Etau - Google Patents

Etau Download PDF

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Publication number
EP0073361A2
EP0073361A2 EP82107085A EP82107085A EP0073361A2 EP 0073361 A2 EP0073361 A2 EP 0073361A2 EP 82107085 A EP82107085 A EP 82107085A EP 82107085 A EP82107085 A EP 82107085A EP 0073361 A2 EP0073361 A2 EP 0073361A2
Authority
EP
European Patent Office
Prior art keywords
threaded
clamping
clamping jaws
housing
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP82107085A
Other languages
German (de)
English (en)
Other versions
EP0073361A3 (en
Inventor
Horst Klann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0073361A2 publication Critical patent/EP0073361A2/fr
Publication of EP0073361A3 publication Critical patent/EP0073361A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B1/00—Vices
    • B25B1/22—Arrangements for turning or tilting vices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/103—Arrangements for positively actuating jaws using screws with one screw perpendicular to the jaw faces, e.g. a differential or telescopic screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws
    • B25B1/2478—Construction of the jaws with more than one pair of jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2494—Means indicating the distance between jaws or their angular position

Definitions

  • the invention relates to a vise with clamping jaws rotatable about a horizontal axis in the normal position of use and fixable in any angular positions, and with a screw spindle which connects the clamping jaws to one another and which is rotatably and axially connected to one movable clamping jaw and one to the other axially immovable clamping jaw connected nut thread is engaged.
  • the invention has for its object to provide a vice of the type mentioned, the jaws do not change their spatial position with a rotation about the horizontal axis in the normal position of use their spatial Lülim with respect to this axis.
  • the two clamping jaws are each provided with guide tubes which are telescopically concentric with the screw spindle, movable in the axial direction relative to one another but non-rotatably, and in that the outer guide tube is fixed in the axial direction and about its own axis is rotatably mounted in a housing provided with a fastening device and can be fixed against rotation by means of a releasable and adjustable rotation locking device.
  • the two guide tubes together with their jaws can be removed from the housing together.
  • This has the advantage that, for. B. a clamped in a certain machining position workpiece in the clamped state together with the jaws removed from the vise housing and in another vise housing of the same design, which can be used, for example, on a machine tool intended for the next machining operation and also there can easily be brought back into the correct position.
  • a further advantageous embodiment of the invention is characterized in that the two clamping jaws each have a rectangular, in particular square, shape which is rotationally symmetrical with respect to the axis of the screw spindle and are each provided with at least two clamping strips arranged along their boundary edges.
  • the clamping jaws With this configuration of the clamping jaws, it is possible to provide a maximum of differently profiled clamping strips, or those consisting of different materials, on each clamping jaw, which can be brought in pairs into the most favorable machining position of the clamped workpiece as required by rotating the clamping jaws. It is also possible to clamp two or four workpieces in the clamping jaws at the same time and move them one after the other to the angle positions to be provided in order to be able to process them precisely.
  • a further embodiment of the invention is characterized in that a threaded tube is arranged concentrically in the guide tube of the axially movable clamping jaw, which has a nut thread which is in engagement with the screw spindle and which is provided at its end opposite the clamping jaws with a flange-like end plate which is rotationally fixed and is axially movably connected to the guide tube of the axially immovable clamping jaw.
  • a further embodiment of the invention is characterized in that the housing is provided on the end face opposite the clamping jaws with a cover disk which is non-rotatably but axially movably connected to the housing and which is indirectly connected to the axially immovable by the anti-rotation device via the end disk of the threaded tube or directly to the guide tube Clamping jaw is in a detachable connection.
  • this creates a structurally and manufacturing-simple and functionally reliable device which is easy to handle with regard to the removability of the clamping jaws from the housing for releasably fixing the guide tube of the axially immovable clamping jaw in the housing.
  • the anti-rotation device consists of coupling elements arranged on the one hand on the cover plate and on the other hand on the end plate of the threaded tube or on the guide tube of the axially immovable clamping jaw, which can be brought into positive engagement with one another by an axial clamping device.
  • the coupling elements from an axial projection fastened in the turntable and from a plurality of arranged in the end plate of the threaded pipe concentrically to the axis thereof at uniform angular intervals Wells exist, and that the axial clamping device consists of a screw connection between the cover plate and the end plate.
  • the coupling elements consist of a ring gear arranged on the end plate or on the guide tube of the axially immovable clamping jaw and a counter ring arranged on the turntable.
  • a screw connection between the cover plate and the end plate is provided as a clamping device.
  • An axial compression spring is expediently arranged between the cover plate and the end plate of the threaded tube, which presses the coupling elements out of engagement when the screw connection is released.
  • the clamping device consists of a threaded hub arranged concentrically on the outside of the turntable, a attached to the end plate of the threaded tube and protruding through the threaded hub and consists of a threaded nut screwed onto the threaded hub, the threaded nut being provided with an inner collar which is fixed in an annular groove of the cylindrical pin engages behind.
  • the threaded nut in the end face facing away from the cover disk has a recess enclosing the disk and the disk has an open radial slot adapted to the diameter of the base of the annular groove.
  • the cylinder journal advantageously has an annular flange which bears against the inside of the face plate of the threaded tube and is immovably mounted in the face plate in the axial direction.
  • the housing is fastened to a support plate which can be pivoted from its horizontal normal position into a vertical position and into about a pivot axis running transversely to the spindle axis this is lockable.
  • the vice 1 shown in the drawing has in all embodiments an essentially cylindrical horizontally mounted housing 2, and two clamping jaws 3 and 4, which can be clamped together in the usual manner by means of a screw 5.
  • a base plate 6 is arranged, which is fixed to the Housing is connected and fastened by means of screws 7 on a support plate 8 of a pedestal 9.
  • the housing 2 On its upper side, the housing 2 has a flat, raised anvil surface 10, as is generally the case with vices.
  • the cylindrical end piece 11 of the screw spindle 5 protruding from the clamping jaw 4 is provided in a conventional manner with a toggle 12 by means of which the screw spindle can be rotated.
  • the clamping jaws 3 and 4 have, as can be seen from FIGS. 1, 2 and 3, a square shape in front view and are each provided with two different clamping strips 13 and 15 or 14 and 16, which along the horizontal boundary edges in the position shown are arranged.
  • the terminal strips 15 and 16 are detachable by means of screws 17 and thus t interchangeably attached to the jaws 3 and 4, respectively.
  • the terminal strips 13 and 14 can be attached in the same way.
  • the two clamping jaws 3 and 4 are each provided with guide tubes 18 and 19, respectively, which are telescopically movable axially relative to one another are led to each other.
  • the guide tube 19 is provided with an axial keyway 20 into which a key 21 seated in the guide tube 18 engages.
  • the guide tube 18 and thus also the guide tube 19 mounted in it is rotatably supported by means of bearing rings 2 'and 2' with the least possible radial play in the housing 2, so that the clamping jaws 3 and 4 can be rotated together in the housing about the common axis 22.
  • the axis 22 coincides with the axis of the threaded spindle 5, and it can be seen that the clamping jaws 3 and 4 have a rotationally symmetrical shape with respect to the axis 22 and the axis of the threaded spindle 5 or that the threaded spindle is arranged in this way that
  • the threaded spindle 5 is rotatably supported by means of an axial ball bearing which is seated in a cylindrical recess 24 in a central bore 25 of the clamping jaw 4 and is fixed in the axial direction in the clamping jaw 4 by means of two retaining rings 27 and 28 which are seated in grooves 25 and 26.
  • the nut thread 29 is expediently arranged on the end of the threaded tube 30 facing the clamping jaw 4, so that the largest possible span can be achieved.
  • the threaded tube 30 is provided with a flange-shaped end plate 31 which has a circular shape and is seated in an enlarged recess 32 which is arranged at the rear end of the guide tube 18, ie at the end of the guide tube 18 opposite the clamping jaw 3.
  • the face plate 31 lies against an annular shoulder 33 and is secured on the opposite side against axial displacement in the guide tube 18 by a retaining ring 35 seated in an iting groove 34 in the recess 32.
  • the end plate 31 and thus the threaded tube 30 are secured against rotation relative to the guide tube 18 by a pin 36 inserted axially into the end face of the guide tube 18.
  • the two guide tubes 18 and 1.9 with the clamping jaws 3 and 4, the screw spindle 5 and the threaded tube 30 form a structural unit which can be removed from the housing 2 in a manner to be described below.
  • the rear end of the housing that is to say the clamping jaws 3 and 4 is provided with a cover disk 37 which is axially movable but non-rotatable in a radially enlarged recess in the housing 2.
  • the fuse against rotation is ensured by an axial pin 39 which is pressed into the end face of the housing 2 and protrudes with its half circumference into a correspondingly semicircularly shaped recess 40 in the dock disk 37 and thus also permits its axial displacement.
  • the Dcek disc 37 is also provided with a central bore 41 and with a concentric end recess 42 in which the head 43 of a screw 44 is mounted. The screw 44 is screwed into a centrally arranged threaded bore 45 of the end plate 31.
  • the head 43 is provided with two diametrically arranged, wing-like handles 46, with the aid of which the screw 44 can be actuated.
  • a compression spring 47 is arranged concentrically around the screw 44 between the end disk 31 on the one hand and the cover disk 37 on the other hand, which strives to press these two disks apart.
  • the screw 44 thus represents a tensioning device between the cover disk 37 and the end disk 31 or between the housing 2 and the structural unit consisting of the guide tubes 18 and 19, the threaded tube 30 and the threaded spindle 5.
  • this structural unit can be pulled out of the housing 2 in the direction of the arrow 48 in order to be used, if necessary, in another, but uniformly shaped housing. It does not matter whether there is a clamped workpiece body in the jaws 3 and 4 or not.
  • this anti-rotation device consists of an eccentrically arranged axial projection 49 in the form of a bolt which is inserted into a recess 50 arranged on the inside of the cover plate 37, and of a plurality of depressions 51 which are on the same radius as the protrusion 49 on the outer, d. H. the end plate of the end plate 31 facing the cover plate 37 are arranged at uniform angular intervals, and in which the projection 49 can engage in a form-fitting manner.
  • annular scale 52 which is divided into angular degrees, is arranged on the rear end face of the clamping jaw 3 and is assigned a reference mark 53 arranged on the housing 2.
  • the anti-rotation device can be made effective again by tightening the screw 44, in that the projection 49 is inserted into the recess 36 of the end plate 31 corresponding to the set angular position, so that it provides a positive connection between the cover plate 37 and the end plate 31 produces.
  • the housing 2 is provided with a cover plate 37 ', which is axially movably mounted in the recess 38 of the housing 2 in the same way as the cover plate 37 in the embodiment of FIG and by the axial pin 39 against Rotation is secured.
  • This cover disk 37 ' is provided on its outer end face with a concentric threaded hub 54, onto which a threaded nut 55 equipped with wing-shaped handles 46' is screwed.
  • This threaded nut 55 has an inwardly projecting annular collar 56 to which a washer 57 is assigned as an axial counter bearing.
  • the disk 57 is seated in an annular groove 58 of a cylinder pin 59, which is mounted axially immovably in a central bore 60 of an end disk 31 'of the threaded tube 30 coaxially to the axis 22 and extends through the threaded hub 54.
  • the disc 57 has a radial slot 57 ', the width of which is matched to the diameter of the groove base of the annular groove 58 so that the disc 57 can be easily inserted in the radial direction into the groove 58 and removed therefrom.
  • the threaded nut 55 is provided on its outer end face with a recess 56 'which surrounds the disk 57.
  • the compression spring 47 is arranged, which causes the annular collar 56 to bear continuously against the disk 57, so that the disk 57 is always in the recess 56 '. located.
  • the cylinder journal 59 has an annular flange 61 which bears against the inside of the end disk 31 '.
  • the face plate 31 ' is, like the face plate 31, non-rotatable and axially immovable with the guide tube 18 which is normally axial fixed jaw 3 attached.
  • the end plate 31' On the end face facing the cover plate 37 ', the end plate 31' has a ring gear 62, to which a counter tooth ring 63 of the cover plate 37 'is assigned.
  • These two ring gears 62 and 63 form coupling elements of an anti-rotation device by means of which the clamping jaws 3 and 4 with their guide tubes 18 and 19 as well as with the threaded tube 30 and the screw spindle 5 can be fixed in the housing 2 in any angular positions.
  • the pillar 9 in the embodiment of FIG. 1 is divided in its upper part and provided with a hinge 66, the pivot axis of which is horizontal and transverse to the axis 22 of the vice 1 runs.
  • the pedestal 9 is thus divided into a fixed lower part 9 'and a tiltable upper part 9' '.
  • a horizontal plate 67 is fastened to the upper part 9 ′′, while the lower part 9 ′ is provided with an annular flange 68.
  • a pivotable locking lever 69 which can be locked on a block 70 seated on the plate 67, can be made in the vertical position of the upper part 9 "a firm and stable connection with the lower part 9 'of the pedestal 9.
  • a clamping claw 72 which is provided with a toggle cap 71 and which can be clamped on the ring flange 68, is arranged on the lower surface of the plate 67.
  • the base plate 6 of the housing 2 of the vice 1 is fastened on a plate 73 which is connected in an articulated manner by a hinge 74 to a support plate 74 arranged fixedly on the one-piece support column 9.
  • the hinge 75 is on the across Axis 22 of the vice 1 extending rear side of the support plate 74 is arranged so that the pivot axis of this hinge 75 extends horizontally and transversely to the axis 22.
  • the plate 73 can be locked in the horizontal position by a plug pin 76 with the support plate 74.
  • the plate 73 is provided on the hinge side with a support arm 77 projecting obliquely downwards, which can be locked by means of the steel pin 76 in a support sleeve of the column 9.
  • the support arm 77 has a projecting, transversely perforated nose 80 which can be inserted into a likewise transversely perforated support fork 81 of the support sleeve 78.
  • the clamping jaws 3 and 4 may also be expedient to provide the clamping jaws 3 and 4 with a different shape.
  • they could have a trapezoidal shape or the shape of a regular pentagon or hexagon.
  • the clamping jaws there is also the possibility of designing the clamping jaws in the usual way and only providing them with one clamping strip each.
  • the one ring gear can be arranged directly on the guide tube 18 and the counter ring gear on a correspondingly larger diameter on the inner surface of the cover plate 37 '.
  • spur gears circumferential gears could be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
EP82107085A 1981-08-29 1982-08-05 Vice Withdrawn EP0073361A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3134209 1981-08-29
DE19813134209 DE3134209A1 (de) 1981-08-29 1981-08-29 "schraubstock"

Publications (2)

Publication Number Publication Date
EP0073361A2 true EP0073361A2 (fr) 1983-03-09
EP0073361A3 EP0073361A3 (en) 1984-04-04

Family

ID=6140410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82107085A Withdrawn EP0073361A3 (en) 1981-08-29 1982-08-05 Vice

Country Status (3)

Country Link
EP (1) EP0073361A3 (fr)
JP (1) JPS5840270A (fr)
DE (1) DE3134209A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202407A1 (fr) * 1985-05-14 1986-11-26 Gressel AG Etau parallèle ouvrant vers l'avant
WO2016165639A1 (fr) * 2015-04-16 2016-10-20 上海昆杰五金工具有限公司 Étau réglable auto-adaptatif
US10035244B2 (en) 2011-11-21 2018-07-31 Jpw Industries Inc. Portable work holding device and assembly
CN118032474A (zh) * 2024-04-12 2024-05-14 广东精特建设工程有限公司 一种土木工程用混凝土取样装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108324387A (zh) * 2018-03-19 2018-07-27 平湖市瑞阳精密机械有限公司 一种医用夹具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191224031A (en) * 1912-10-21 1913-09-11 John George Barke Improvements in and connected with Bench Vices.
CH287954A (de) * 1948-11-24 1952-12-31 Gelpke Roland Verbindungsstück.
CH386355A (fr) * 1963-01-29 1964-12-31 Torossian Edouard Etau d'établi pivotant, à éléments télescopiques
US3556506A (en) * 1968-08-12 1971-01-19 Welker Ind & Co Ltd Adjustable machine-tool vise

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202407A1 (fr) * 1985-05-14 1986-11-26 Gressel AG Etau parallèle ouvrant vers l'avant
US10035244B2 (en) 2011-11-21 2018-07-31 Jpw Industries Inc. Portable work holding device and assembly
US10377019B2 (en) 2011-11-21 2019-08-13 Jpw Industries Inc. Portable work holding device and assembly
US11446789B2 (en) 2011-11-21 2022-09-20 Jpw Industries Inc. Portable work holding device and assembly
WO2016165639A1 (fr) * 2015-04-16 2016-10-20 上海昆杰五金工具有限公司 Étau réglable auto-adaptatif
CN118032474A (zh) * 2024-04-12 2024-05-14 广东精特建设工程有限公司 一种土木工程用混凝土取样装置
CN118032474B (zh) * 2024-04-12 2024-06-11 广东精特建设工程有限公司 一种土木工程用混凝土取样装置

Also Published As

Publication number Publication date
EP0073361A3 (en) 1984-04-04
DE3134209A1 (de) 1983-03-17
JPS5840270A (ja) 1983-03-09

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