EP0460457B2 - Etau de machines - Google Patents

Etau de machines Download PDF

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Publication number
EP0460457B2
EP0460457B2 EP91108333A EP91108333A EP0460457B2 EP 0460457 B2 EP0460457 B2 EP 0460457B2 EP 91108333 A EP91108333 A EP 91108333A EP 91108333 A EP91108333 A EP 91108333A EP 0460457 B2 EP0460457 B2 EP 0460457B2
Authority
EP
European Patent Office
Prior art keywords
screw spindle
spindle
abutment
sleeve
basic frame
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.)
Expired - Lifetime
Application number
EP91108333A
Other languages
German (de)
English (en)
Other versions
EP0460457A2 (fr
EP0460457A3 (en
EP0460457B1 (fr
Inventor
Franz Arnold
Konrad Kreuzer
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25893917&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0460457(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19904018194 external-priority patent/DE4018194C1/de
Application filed by Individual filed Critical Individual
Publication of EP0460457A2 publication Critical patent/EP0460457A2/fr
Publication of EP0460457A3 publication Critical patent/EP0460457A3/de
Publication of EP0460457B1 publication Critical patent/EP0460457B1/fr
Application granted granted Critical
Publication of EP0460457B2 publication Critical patent/EP0460457B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/18—Arrangements for positively actuating jaws motor driven, e.g. with fluid drive, with or without provision for manual actuation
    • 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
    • B25B1/106—Arrangements for positively actuating jaws using screws with mechanical or hydraulic power amplifiers
    • 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
    • B25B1/2473—Construction of the jaws with pull-down action on the workpiece

Definitions

  • the invention relates to a machine vice according to the Preamble of claim 1.
  • the drive device has a rotationally fixed the threaded spindle connected to the threaded sleeve Primary link of the power amplifier acting drive spindle and one provided between this and the threaded sleeve Torque clutch on.
  • the booster is considered mechanical Power amplifier designed, when operating the Primary link is always the secondary link of the power amplifier moved in the same direction as the primary link.
  • This well-known power amplifier is the train connection with one end connected. The entire drive device rotates with it and protrudes outside beyond the abutment plate, whereby the entire Overall length of the machine vice in relation to its maximum span is large.
  • the invention is therefore based on the object Machine vice of the type mentioned above to design that the base body when tensioning one if possible is exposed to low bending stress, and that the Machine vice at the same time a favorable ratio between total length and maximum span.
  • this improvement is achieved by a Machine vice with the features of claim 1 achieved.
  • the Arrangement of the power amplifier under the fixed jaw on one end of the body and the arrangement of the Drive device so that they are essentially within of the other end of the body and in a fully open Position of the movable jaw under this has the advantage that the overall length of the machine vice not by the booster and the drive device or is not significantly enlarged, so that the Machine vice a favorable relationship between Overall length and maximum span.
  • Another advantage is the fact that the abutment of the Power amplifier and thus also the screw spindle below the fixed jaw is arranged. This will combine with the train connection pulling a tension on the Screw spindle exercised.
  • the movable jaw is now through the screw spindle during the clamping process to the fixed
  • the jaw is pulled and it is opposed facing each other, on the base body acting reaction forces avoided. This also becomes a Deflection of the base body upwards during the clamping process avoided.
  • the Cross-section essentially U-shaped base body 1 on its one end of a fixed jaw 2, preferably with the Basic body consists of one piece.
  • a mobile one Clamping jaw 3 is perpendicular to the fixed body 1 Clamping jaw 2 can be moved in direction B.
  • the moveable Clamping jaw 3 has a downward, in the Base body 1 engaging approach 4, in which the Spindle nut 5 is incorporated.
  • a screw spindle 7 arranged, which engages in the spindle nut 5.
  • Base body 1 In the area below the fixed jaw 2 is in Base body 1 a mechanical power amplifier 8 known Type (see. DE-U-78 30 221) arranged.
  • An abutment part 8a is supported on an abutment 9, which between the Power amplifier 8 and one of the fixed jaw 2 adjacent Engages end 7a of the screw spindle.
  • the abutment 9 could also, as shown in Fig. 5, immediately in Vise body 1 may be provided. However, is preferred the abutment 9 is provided on an abutment sleeve 10 which in a corresponding cylindrical through hole 11 in Base body 1 is inserted.
  • the abutment bush instructs its end remote from the screw spindle 7 has a flange 12 with which they are on a ring heel 13 of the Base body is supported, which is adjacent to the through hole 11.
  • the abutment sleeve 10 extends with its Screw 7 facing end 10a at least up to that of Screw end facing 2a of the fixed jaw 2.
  • the abutment sleeve 10 is on the Screw 7 remote end by a pot-like Cover 14 completed. This lid 14 and the Abutment bush 10 are by a spring ring 15 in the Through hole 11 held.
  • the power amplifier 8 has a wedge-shaped primary member 16 and a disc-shaped secondary member 17. Will that Primary member 16 by the arranged in the hollow spindle 7 Push rod 18 moved in the direction C to the left, then the Rollers 19 pressed into a space that extends radially outward narrowed. As a result, the secondary member 17 with a corresponding Power transmission also moved to the left, but by one less amount than the primary link 16.
  • a compression spring 20 is provided, which is preferably between the Cover 14 and the secondary member 17 is arranged.
  • the pull sleeve 21 provided axially in the abutment sleeve 10 is displaceable and surrounds the power amplifier 8.
  • the tension sleeve is at one end by a screw cap 22 completed, on the inside of the secondary member 17th is supported.
  • the pull sleeve 21 has three axially arranged at equal angular intervals
  • Directional webs 23 on the same circumferential angular intervals are arranged to each other. These webs 23 extend each by corresponding axial recesses 24 in the Abutment sleeve 10 through to that of the fixed jaw 2 adjacent end 7a of the screw.
  • the webs 23 are on their ends with radially inward claws 23a provided that provided at the end 7a of the screw 7 Reach behind flange 25.
  • a seal 26 seals the interior the abutment sleeve 10 opposite the screw spindle end 7a.
  • a common drive device 27 is also provided, with which both the screw 7 and the Power amplifier 8 can be driven one after the other in time.
  • the Drive device 27 is in the fixed jaw 2 opposite end 1a of the base body 1 arranged so that them entirely or at least essentially within the Base body 1 is and the movable jaw 3, how it is shown in Fig. 1, in its fully open position located above the drive device 27.
  • the Drive device 27 is of a cylindrical housing 28 enclosed, whose the screw spindle 7 facing end a positive connection non-rotatably, but axially is slidably connected to the screw spindle.
  • the positive connection can consist, for example, that the housing 28 at one end 28a one in cross section has hexagonal opening 28c, which accordingly includes hexagonal end 7b of the screw spindle 7.
  • the other end 28b of the housing is rotatable and axial immovable in one connected to the base body 1 Holding plate 29 stored.
  • the drive device 27 comprises a threaded sleeve 30, which is fixed to the housing 28th connected is. One engages in the threaded sleeve 30 Drive spindle 31, the outer end with a Hexagon socket 31a is provided. Can in the hexagon socket 31a a hand crank, not shown, can be used.
  • a Torque clutch provided in the shown Embodiment from a rotatable with the Drive spindle 31 connected, but on it against the Force of the spring 32 displaceable clutch disc 33 exists, which with a cam 34 in a corresponding recess of the Threaded sleeve 30 engages.
  • Via the torque clutch 32 - 34 are the drive spindle 31 and the threaded sleeve 30 to Reaching a predetermined torque in a rotationally fixed manner connected.
  • Abutment sleeve 10 Since the Abutment sleeve 10 is claimed when tensioning on train and with its flange 12 on the ring shoulder 13 of the base body 1 supports, there is a direct power transmission between Abutment sleeve 10 and base body 1 without any, flexible connecting parts are loaded.
  • connection between secondary part 17 and the end 7a of the Screw 7 can also be equipped in other ways.
  • the the drive end of this embodiment is the same executed as in Figs. 1 and 3 of the previous Embodiment is shown. Parts have the same function with the same reference numerals, so that the above Description applies accordingly.
  • the one shown in FIG. 5 Embodiment has the train connection at least two axially directed draw bolts 35, which are axially directed bores 36 of the abutment 9 or base body 1 stretch through.
  • the pull bolts 35 are on the one hand with a Secondary member 17 carrying disc 17a and on the other hand with a ring 37 surrounding the end 7a of the screw spindle connected. This ring engages behind the end of 7a Screw 7 provided flange 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Claims (6)

  1. Etau pour machine comprenant un bâti (1) qui porte une mâchoire fixe (2) à l'une de ses extrémités et sur lequel est montée une mâchoire mobile (3), une broche filetée (7) qui vient en prise avec un écrou de broche (5) relié à la mâchoire mobile (3), un amplificateur de force (8) qui agit sur la broche filetée (7) et qui s'appuie sur le bâti, et un dispositif d'entraínement commun (27) qui est destiné à la broche filetée (7) et à l'amplificateur de force (8), ce dernier étant disposé dans le bâti (1), au-dessous de la mâchoire fixe (2), la broche filetée (7) étant réalisée sous la forme d'une broche creuse dans laquelle peut coulisser une tige de poussée (18) sur l'une des extrémités de laquelle agit le dispositif d'entraínement (27) et dont l'autre extrémité agit sur l'amplificateur de force (8), et l'amplificateur de force (8) étant relié d'une manière résistante à la traction axiale à l'extrémité (7a) de la broche filetée (7) qui en est voisine, par l'intermédiaire d'une liaison en traction (21, 23; 35) passée à travers de la contre-butée (9, 10), caractérisé par le fait que:
    la liaison en traction (21, 23; 35) est reliée d'une manière tournante à l'extrémité (7a) de la broche filetée (7) qui en est voisine, et:
    le dispositif d'entraínement commun (27) est disposé pour l'essentiel à l'intérieur du bâti (1), et il se trouve au-dessous de la mâchoir mobile (3) lorsque celle-ci est dans sa position où elle est complètement ouverte.
  2. Etau pour machine selon la revendication 1, caractérisé par le fait que l'amplificateur de force (8) est mécanique et qu'il comporte un organe primaire (16) et un organe secondaire (17) qui se déplace dans la même direction et qui s'appuie sur une contre-butée (9, 10), celle-ci étant fixe par rapport au bâti (1), par le fait que le dispositif d'entraínement commun (27) comprend un manchon fileté (30) qui est relié à la broche filetée (7) d'une manière solidaire en rotation, une broche d'entraínement (31) qui agit sur l'organe primaire de l'amplificateur de force (8) et un accouplement de transmission des couples (32, 33, 34) qui est prévu entre cette broche et le manchon fileté (30), par le fait que la broche d'entraínement (31) agit sur la tige de poussée (18) dont l'autre extrémité appuie sur l'organe primaire (16) de l'amplificateur de force (8), et par le fait que l'organe secondaire (17) est relié d'une manière rigide à la traction dans le sens axial, mais mobile en rotation, à l'extrémité (7a) de la broche filetée (7) qui est voisine de la mâchoire fixe (2), et ce, par l'intermédiaire de la liaison en traction (21, 23 ; 35) qui passe devant lui extérieurement et à travers la contre-butée (9, 10).
  3. Etau pour machine selon la revendication 2, caractérisé par le fait que la contre-butée (9) comporte une douille de contre-butée (10) qui est insérée dans un perçage traversant cylindrique correspondant (11) ménagé dans le bâti (1) et qui présente, à son extrémité opposée à la broche filetée (7), une bride (12) par laquelle elle s'appuie sur un épaulement annulaire (13) raccordé au perçage traversant (11), cependant que la douille de contre-butée (10) s'étend de préférence, par son extrémité (10a) qui est tournée vers la broche filetée (7), au moins jusqu'à l'extrémité (2a) de la mâchoire fixe (2) qui est tournée vers la broche filetée (7), et cependant que, de préférence, la douille de contre-butée (10) est fermée par un couvercle (14) en forme de pot à son extrémité opposée à la broche filetée (7), un ressort de compression (20) étant disposé entre le couvercle (14) et l'organe secondaire (17).
  4. Etau pour machine selon l'une des revendications précédentes, caractérisé par le fait que la liaison en traction comporte un manchon de traction (21) qui est disposé d'une manière coaxiale à l'intérieur de la douille de contre-butée (10) en pouvant coulisser axialement, qui entoure l'amplificateur de force (8), sur l'une des extrémités duquel l'organe secondaire (17) de l'amplificateur de force s'appuie et dont l'autre extrémité comporte au moins deux pattes de traction (23), celles-ci étant dirigées axialement, s'étendant à travers des évidements axiaux (24) ménagés dans la douille de contre-butée (10) et venant en prise par l'arrière avec une bride (25) prévue à l'extrémité (7a) de la broche filetée (7), et ce, au moyen de griffes (23a) qui sont prévues à leur extrémité et qui sont dirigées vers l'intérieur dans le sens radial, cependant que, de préférence, le manchon de traction (21) est fermé par un couvercle à vis (22) à son extrémité opposée à la broche filetée (7) et que l'organe secondaire (17) s'appuie sur le côté intérieur de ce couvercle à vis (22).
  5. Etau pour machine selon l'une des revendications 1 à 3, caractérisé par le fait que la liaison en traction comporte au moins deux goujons de traction (35) qui sont dirigés axialement et qui s'étendent à travers des perçages (36) dirigés axialement de la contre-butée (9) ou du bâti (1), respectivement, et par le fait que les goujons de traction (35) sont reliés chacun à un disque (17a) qui porte l'organe secondaire (17) et à une couronne (37) qui entoure l'extrémité (7a) de la broche filetée (7) et qui vient en prise par l'arrière avec une bride (25) prévue à l'extrémité (7a) de la broche filetée (7).
  6. Etau pour machine selon l'une des revendications précédentes, caractérisé par le fait que le dispositif d'entraínement commun (27) comporte un boitier cylindrique (28) qui entoure la broche d'entraínement (31), l'accouplement de transmission des couples (32 à 34) et le manchon fileté (30) dont l'une des extrémités (28a), tournée vers la broche filetée (7), est reliée à la broche filetée (7) d'une manière solidaire en rotation, mais en pouvant coulisser dans le sens axial, et ce, par l'intermédiaire d'une liaison par conjugaison des formes (7b, 28c), et, dont l'autre extrémité (28b) est montée, d'une manière tournante et sans pouvoir coulisser dans le sens axial, dans une plaque de retenue (29) qui est reliée au bâti (1).
EP91108333A 1990-06-07 1991-05-23 Etau de machines Expired - Lifetime EP0460457B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19904018194 DE4018194C1 (en) 1990-06-07 1990-06-07 Vice with fixed and moving jaw - has spindle for movement of intensifier which thrusts against vice base part
DE4018194 1990-06-07
DE4112418 1991-04-16
DE4112418A DE4112418A1 (de) 1990-06-07 1991-04-16 Maschinenschraubstock

Publications (4)

Publication Number Publication Date
EP0460457A2 EP0460457A2 (fr) 1991-12-11
EP0460457A3 EP0460457A3 (en) 1992-04-01
EP0460457B1 EP0460457B1 (fr) 1995-03-15
EP0460457B2 true EP0460457B2 (fr) 2000-03-01

Family

ID=25893917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108333A Expired - Lifetime EP0460457B2 (fr) 1990-06-07 1991-05-23 Etau de machines

Country Status (5)

Country Link
US (1) US5251887A (fr)
EP (1) EP0460457B2 (fr)
JP (1) JP3286791B2 (fr)
DE (2) DE4112418A1 (fr)
ES (1) ES2073065T5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151668A1 (fr) 2020-01-31 2021-08-05 cutpack.com GmbH Dispositif de serrage permettant de serrer une pièce à travailler

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662316A (en) * 1993-07-22 1997-09-02 Automation Enhancements Un Limited Pallet couple and decouple clamping apparatus and method for pallet coupling and decoupling
USD355114S (en) 1994-01-24 1995-02-07 Severin Montres Watch sizing platform
HRP980211B1 (en) * 1998-04-17 2002-08-31 Jurković Rudolf Universal vice comprising a selfadjustable slider
KR100406462B1 (ko) * 2002-01-15 2003-11-21 주식회사 삼천리기계 바이스용 증력장치
SE525190C2 (sv) * 2003-04-15 2004-12-21 Sandvik Ab Gasfjäder med dragstång i två stycken
SE526258C2 (sv) * 2003-04-15 2005-08-09 Sandvik Intellectual Property Kraftförstärkare för maskinspindel med samverkande kilar
ATE345194T1 (de) * 2005-06-15 2006-12-15 Hb Feinmechanik Gmbh & Co Kg Spanneinrichtung mit einem deckelement für ihre spindelausnehmung
EP1797996A1 (fr) * 2005-12-19 2007-06-20 ALLMATIC-Jakob Spannsysteme GmbH Etau avec amplificateur de force
US8573578B1 (en) 2006-09-01 2013-11-05 Chick Workholding Solutions, Inc. Workholding apparatus
US8336867B1 (en) 2006-09-01 2012-12-25 Chick Workholding Solutions, Inc. Workholding apparatus having a detachable jaw plate
US9227303B1 (en) 2006-09-01 2016-01-05 Chick Workholding Solutions, Inc. Workholding apparatus
US8109494B1 (en) * 2006-09-01 2012-02-07 Chick Workholding Solutions, Inc. Workholding apparatus having a movable jaw member
US8454004B1 (en) 2006-09-01 2013-06-04 Chick Workholding Solutions, Inc. Workholding apparatus having a movable jaw member
US8690138B2 (en) * 2010-12-29 2014-04-08 Tseh-Pei LIN Coaxial concentric double-jaw vice
CN102789436B (zh) * 2011-05-18 2014-12-31 国基电子（上海）有限公司 单线双向通信的主从芯片及其方法
JP6341990B2 (ja) * 2013-03-28 2018-06-13 アーベーベー ターボ システムズ アクチエンゲゼルシャフト ロータブロックの組付けおよび取外し用のカンチレバーキャリッジ
US9352451B1 (en) 2013-05-02 2016-05-31 Chick Workholding Solutions, Inc. Workholding apparatus
AT517201A1 (de) * 2015-05-05 2016-11-15 Johann Schachinger Keilspannschraubstock

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
DE1283169B (de) * 1964-09-25 1968-11-14 Franz Arnold Maschinenschraubstock mit Tiefspannbacken
DE1812325A1 (de) * 1968-12-03 1970-07-23 Arnold Franz Mechanische Spannvorrichtung,insbesondere Maschinenschraubstock
ES421534A1 (es) * 1972-12-20 1976-04-16 Saurer Allma Gmbh Perfeccionamientos en utiles tensores, especialmente torni-llos tensores de maquina con amplificador de presion.
US4043547A (en) * 1976-12-10 1977-08-23 Chicago Tool And Engineering Company Precision machine vise
US4098500A (en) * 1977-11-25 1978-07-04 Kurt Manufacturing Company, Inc. Adjustable member for reducing clamp load losses in a locking jaw vise
DE7830221U1 (de) * 1978-10-11 1980-03-20 Arnold, Franz, 8960 Kempten Mechanischer kraftverstaerker
DE3437403A1 (de) * 1984-10-12 1986-04-24 Saurer-Allma Gmbh, 8960 Kempten Hochdruckspanner
DE3733849C1 (de) * 1987-10-07 1989-05-11 Franz Arnold Maschinenschraubstock mit Kraftverstaerker
DE8717051U1 (de) * 1987-12-29 1988-02-11 Röhm, Günter Horst, 7927 Sontheim Maschinenschraubstock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021151668A1 (fr) 2020-01-31 2021-08-05 cutpack.com GmbH Dispositif de serrage permettant de serrer une pièce à travailler

Also Published As

Publication number Publication date
EP0460457A2 (fr) 1991-12-11
US5251887A (en) 1993-10-12
ES2073065T5 (es) 2000-07-16
ES2073065T3 (es) 1995-08-01
EP0460457A3 (en) 1992-04-01
EP0460457B1 (fr) 1995-03-15
DE4112418A1 (de) 1992-10-22
DE59104937D1 (de) 1995-04-20
JP3286791B2 (ja) 2002-05-27
JPH06344268A (ja) 1994-12-20

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