EP0870579B1 - Spannstock - Google Patents

Spannstock Download PDF

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Publication number
EP0870579B1
EP0870579B1 EP97106054A EP97106054A EP0870579B1 EP 0870579 B1 EP0870579 B1 EP 0870579B1 EP 97106054 A EP97106054 A EP 97106054A EP 97106054 A EP97106054 A EP 97106054A EP 0870579 B1 EP0870579 B1 EP 0870579B1
Authority
EP
European Patent Office
Prior art keywords
jaw
spindle
clamping device
middle jaw
force
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
EP97106054A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0870579A1 (de
Inventor
Erwin Bohler
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.)
SwissChuck AG
Original Assignee
SwissChuck AG
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 SwissChuck AG filed Critical SwissChuck AG
Priority to DE59706609T priority Critical patent/DE59706609D1/de
Priority to EP97106054A priority patent/EP0870579B1/de
Priority to US08/921,174 priority patent/US5975511A/en
Priority to JP10101206A priority patent/JPH10328958A/ja
Priority to TW087105533A priority patent/TW453932B/zh
Priority to KR1019980013044A priority patent/KR19980081346A/ko
Publication of EP0870579A1 publication Critical patent/EP0870579A1/de
Application granted granted Critical
Publication of EP0870579B1 publication Critical patent/EP0870579B1/de
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
    • B25B1/24—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
    • B25B1/06—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

Definitions

  • a flat chuck with the features of the preamble of claim 1 is known from US-A-4 394 674.
  • this facility allows when unloading the flat clamping device, the spindle with a To loosen the hand and free the second workpiece, so it can be taken out with the other hand can still be by a certain while the first workpiece Pressure of the associated jaws is held.
  • This Possibilities for loading and unloading a flat clamping device are especially important if the latter is used in a vertical position so that not through Workpieces held on the jaws tend to move out of the Flat tension device fall out.
  • a known shoe brake of this type exists from one end of the spindle that is not actuated, i.e. on the "rear" side of the device Mechanism. This is opposite the middle cheek load-bearing body of the flat tensioner axially displaceable while an adjustable, linear working Slipping clutch counteracts such a shift.
  • the brake also has a compression spring, one of which End remains immovable relative to the base body, as long as the clutch does not slip. The other end of the The spring is fixed in relation to the rear end jaw.
  • the compression spring prevents Tighten the spindle, the rear end jaw on it, the middle jaw to accommodate as long as the workpiece is not gripped is. Then the spindle is tightened again increasing elastic pressure on the workpiece, which thereby held in the desired manner is inserted until the second workpiece, and the spindle was fully dressed. If the second workpiece is so small is that the spring travel of the compression spring is exceeded the slip clutch yields and prevents one Damage to the device.
  • U.S. Patents 4,934,674 and 5,374,040 propose other solutions in which the spring as well as a them surrounding sleeve for transmission of the spring force on the operator side are arranged outside the main body of the device. This construction is due to the external sleeve bulky, and that through a clamp tube or one Eccentric clamping screw realized adjustable Fixing the sleeve on the spindle uncomfortable and mechanical unfavorable.
  • U.S. Patent 5,374,040 does not use one for Spindle concentric, but arranged laterally next to this Coil spring, which is also bulky and the Power transmission to the spindle is complicated.
  • the invention is in Claim 1 defined.
  • the location of the Coil spring in the device, as well as its action on the front End cheek allow you to place them on an inner spot of the flat tensioner to accommodate that without many additional seals protected against contamination can be, and there is also enough space is about a strong spring and a sturdy mechanism install. This is also near the front of the device so that its controls are good can be arranged accessible. The following is intended the invention using exemplary embodiments and Drawing will be explained in more detail.
  • Cut denote 1 the front and 3 the rear end jaw a flat tensioner.
  • the two end jaws are in the usual way (not shown) by means of rails so on the only partially shown base body 4 of the Device mounted so that they point together towards it the axis of a connecting spindle 6 slidable are.
  • a removable one, but for the one considered here Use of the central clamping device necessary middle jaw 2 is immovable on the base body by a screw 20 4 fixed.
  • the spindle 6 is rotatable, however not longitudinally displaceable with respect to the front end jaw 1.
  • a collar 10 secures this longitudinal position while a Thread 5 at the end of the spindle in the rear end jaw 3 intervenes.
  • the spindle can be attacked by a head 7 tool (not shown) are rotated, and thereby both end jaws 1 and 3 approached each other or be separated from each other.
  • On the cylindrical shaft the spindle sits a longitudinally displaceable and with a outer annular groove 9 provided sleeve 8, which by a the helical spring 12 arranged around the spindle 6 with respect to the front jaw 1 to the rear, i.e. in the direction of the thread engaging in the rear end jaw 2 5 of the spindle is pushed.
  • a trained as a tile Slider 13 is guided so that it is in the axial direction can move freely, and points to his the spindle facing side one in the annular groove 9 of the Sleeve 8 engaging nose, so sleeve and slider Carry out the same axial displacements.
  • On his the Nose opposite side is the slider 13 with a serration aligned transversely to the axial direction 11 provided, in which a corresponding serration a piston 14 engages.
  • the piston 14 is in a bore of the base body 4 guided its axis that of the spindle 6 intersects vertically.
  • An Indian Bore located and by a worm screw 17 therein held plate spring assembly 16 urges the piston 14 towards the slide 13.
  • the piston has a cylindrical Cross hole through which a rotatable, in the axial direction aligned pin 15 is inserted.
  • a rotatable, in the axial direction aligned pin 15 is inserted.
  • In the area of The bolt is ground on one side in order to rotate of the bolt an eccentrically moving cam form.
  • These and the hole they are in are dimensioned so that in the shown position of the bolt 15 the piston 14 under the pressure of the plate spring assembly 16 goes up so far that the serrations of the Piston 14 and the slide 13 with one through Disc spring package 16 and the setting of the worm screw 17 given force come into mutual engagement.
  • the sleeve 8 and the Slide 13 supported spring 12 the front end jaw push to the left until either sleeve 8 has an end stop 18 reached or a between the middle jaw 2 and rear workpiece 31 located rear workpiece 31 forms a limit. If in the latter case the spindle 6 is further tightened, then the spring 12 exerts the jaws 2 and 3 exert pressure on the workpiece 31, it is enough to hold it and the operator has one hand free for another front workpiece 32 between the front end jaw 1 and the middle jaw 2 use. Then the spindle 6 against the pressure the spring 12 are further tightened until they are both workpieces holds with the desired force.
  • the interaction of the serrations of the Slider 8 and the piston 14 can be in the following way to adapt the distances between the jaws to different Workpiece sizes are used.
  • the sleeve goes under pressure the spring 12 to its end stop 18.
  • the flat tensioning device is unloaded analogously in reverse order: it becomes the spindle something solved and first the released Unload workpiece 32; then the spindle continues solved until the pressure caused by the spring 12 rear jaw 3 on workpiece 31 either stops or is small enough to easily remove it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Clamps And Clips (AREA)
  • Jigs For Machine Tools (AREA)
EP97106054A 1997-04-13 1997-04-13 Spannstock Expired - Lifetime EP0870579B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE59706609T DE59706609D1 (de) 1997-04-13 1997-04-13 Spannstock
EP97106054A EP0870579B1 (de) 1997-04-13 1997-04-13 Spannstock
US08/921,174 US5975511A (en) 1997-04-13 1997-08-29 Clamping device with a jaw brake
JP10101206A JPH10328958A (ja) 1997-04-13 1998-04-13 ジョーブレーキを有するクランプ装置
TW087105533A TW453932B (en) 1997-04-13 1998-04-13 Clamping device with a jaw brake
KR1019980013044A KR19980081346A (ko) 1997-04-13 1998-04-13 조오 브레이크를 구비한 클램핑 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97106054A EP0870579B1 (de) 1997-04-13 1997-04-13 Spannstock

Publications (2)

Publication Number Publication Date
EP0870579A1 EP0870579A1 (de) 1998-10-14
EP0870579B1 true EP0870579B1 (de) 2002-03-13

Family

ID=8226688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106054A Expired - Lifetime EP0870579B1 (de) 1997-04-13 1997-04-13 Spannstock

Country Status (6)

Country Link
US (1) US5975511A (enrdf_load_html_response)
EP (1) EP0870579B1 (enrdf_load_html_response)
JP (1) JPH10328958A (enrdf_load_html_response)
KR (1) KR19980081346A (enrdf_load_html_response)
DE (1) DE59706609D1 (enrdf_load_html_response)
TW (1) TW453932B (enrdf_load_html_response)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6598867B2 (en) * 2001-10-11 2003-07-29 Conquest Industries, Inc. Vise system
US6953311B2 (en) * 2003-08-27 2005-10-11 Ksi Technologies Corp. Tool holding and working piece-clamping assembly for a machine tool
DE102004054177B3 (de) * 2004-11-10 2006-04-27 Schunk Gmbh & Co. Kg Fabrik Für Spann- Und Greifwerkzeuge Spann- oder Greifvorrichtung, insbesondere Linear- oder Zentrischgreifer
US8210509B2 (en) * 2007-12-03 2012-07-03 Laura Saitta Tile retaining article
US8459659B2 (en) * 2007-12-19 2013-06-11 Illinois Tool Works Inc. Hybrid lathe chuck
JP5779134B2 (ja) * 2012-05-08 2015-09-16 ホンダ太陽株式会社 環状シール組付け治具
DE102013103587B3 (de) * 2013-04-10 2014-05-22 Rattunde & Co Gmbh Zwillingsspanner
CN105710684B (zh) * 2016-04-12 2018-10-30 烟台知兴知识产权咨询服务有限公司 箱体钻孔组合工装
DE102017113909B3 (de) * 2017-06-23 2018-10-18 Ludwig Ehrhardt Gmbh Spannsystem mit "dritte Hand"-Funktion
CN109176065A (zh) * 2018-08-09 2019-01-11 柳州市钜嘉机械有限公司 一种便于维护调整的定位夹具
CN108788836A (zh) * 2018-09-17 2018-11-13 广德亚太汽车智能制动系统有限公司 一种汽车刹车盘加工用夹紧固定装置
CN109093208B (zh) * 2018-09-30 2024-04-16 天津市鼎鑫晟达精密机床制造股份有限公司 数控铣齿机加工圆齿条铣齿用双工件定位夹紧支撑机构
HUE059206T2 (hu) * 2019-01-28 2022-10-28 Oml Srl Szorítóeszköz, nevezetesen egy csavarkulcs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5098073A (en) * 1989-05-11 1992-03-24 Kurt Manufacturing Company, Inc. Two-station vise with double-threaded screw
US5374040A (en) * 1993-11-15 1994-12-20 Lin; Philip Vise with interchangeable double clamping seat or single clamping seat

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934674A (en) * 1989-03-22 1990-06-19 Kurt Manufacturing Company, Inc. Two station, single action vise
US5649694A (en) * 1995-05-23 1997-07-22 Buck; James R. Multiple jaw vise with floating actuator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5098073A (en) * 1989-05-11 1992-03-24 Kurt Manufacturing Company, Inc. Two-station vise with double-threaded screw
US5374040A (en) * 1993-11-15 1994-12-20 Lin; Philip Vise with interchangeable double clamping seat or single clamping seat

Also Published As

Publication number Publication date
DE59706609D1 (de) 2002-04-18
KR19980081346A (ko) 1998-11-25
EP0870579A1 (de) 1998-10-14
US5975511A (en) 1999-11-02
JPH10328958A (ja) 1998-12-15
TW453932B (en) 2001-09-11

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