EP0163219B1 - Plaque porteuse avec dispositif de serrage - Google Patents

Plaque porteuse avec dispositif de serrage Download PDF

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Publication number
EP0163219B1
EP0163219B1 EP85106123A EP85106123A EP0163219B1 EP 0163219 B1 EP0163219 B1 EP 0163219B1 EP 85106123 A EP85106123 A EP 85106123A EP 85106123 A EP85106123 A EP 85106123A EP 0163219 B1 EP0163219 B1 EP 0163219B1
Authority
EP
European Patent Office
Prior art keywords
clamping
lever
carrier plate
hinged
plate
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
Application number
EP85106123A
Other languages
German (de)
English (en)
Other versions
EP0163219A1 (fr
Inventor
Matthias Ehrenfied
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.)
DESTACO Europe GmbH
Original Assignee
DE STA CO Metallerzeugnisse GmbH
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 DE STA CO Metallerzeugnisse GmbH filed Critical DE STA CO Metallerzeugnisse GmbH
Priority to AT85106123T priority Critical patent/ATE36663T1/de
Publication of EP0163219A1 publication Critical patent/EP0163219A1/fr
Application granted granted Critical
Publication of EP0163219B1 publication Critical patent/EP0163219B1/fr
Expired 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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • 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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/12—Arrangements for positively actuating jaws using toggle links
    • B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive

Definitions

  • the invention relates to a support plate with a clamping device according to the preamble of the main claim.
  • a tensioning device which has the features of the preamble of the main claim is already known from the document DD-A 135455.
  • the further relevant prior art in this regard is represented, for example, by the following publications: DE-U 7 806 055, GB-A 778 865, US-A 3 480 271 and US-A 2 436 941.
  • Such clamping devices are, for example, on workpiece support plates or . The like attached or put on, the clamping lever in the closed position presses the workpiece in question (for example. Body or body part) against the support plate and holds it tight. This means that the support plate around the contour of the workpiece in question is occupied with clamping devices.
  • the invention is therefore based on the object, provided that the smallest possible passage openings in the support surface to create a support plate with a clamping device in which the clamping levers are swung out of the contact surface with the smallest possible distance and as little space as possible, in the clamping position to the workpiece and with The dead center lock can be energized and vice versa can be relaxed or unlocked, swiveled and lowered.
  • the requirements according to the invention are met in a very simple manner by the solution according to the invention, and the following advantages result:
  • the clamping forces of comparable “normal” clamping devices can be easily reached.
  • To carry out the special movement sequence of the tensioning lever only a relatively short stroke from the drive side is required, which will be explained in more detail.
  • the result is a narrow overall width, and the passage opening on the support plate for the tensioning lever only requires dimensions that only have to be slightly larger in width than the thickness of the tensioning lever and that in length only have to be about three times its width, because the tensioning lever, the actual tensioning part of which is designed like a hook, only executes a tight, arch-like movement.
  • clamping devices arranged next to one another in a line can be driven from only one central drive element, only a corresponding connection or coupling of the device parts into which the drive movement is to be initiated having to be provided.
  • the movement and tensioning drive can also be carried out by hand.
  • the clamping device of the support plate 13 consists of a four-bar linkage, formed from the wings 2, 3, the clamping lever 1 and a fixed connection (support plate 13 ') on which the stationary joints 9, 10 of the Swing 2, 3 are arranged.
  • the drive member 6 is formed from a toggle lever 6 ', the stationary joint 15 of which is also seated on the carrier plate 13'.
  • the tensioning lever 1 projects beyond its joint 4 of the rocker arm 3 with its tensioning part 1 ′ designed as a hook 1 ′′.
  • the movement drive introduced at the joint 11 leads to a movement of the parts 6 ' , 2, 3, 1 in the sense of the arrows shown, for example the points A, B of the hook 1 "traversing the dash-dotted, very narrow curves (FIG. 2) .
  • the positions according to Fig. 2, 3 do not require a single illustration and serve to illustrate an intermediate position and the clamping position in which the toggle lever 6 'is in a little by holding down the over-center position.
  • the Auftauchterrorism of the tensioning lever 1 "configured as a hook 1 thus takes place in a very narrow area, so that the passage opening 14 in the support plate 13, under which the support plate 13 'is vertically fastened in a suitable manner, can be kept correspondingly small.
  • the drive is carried out by a on the joint 16 Carrier plate 13 'articulated pneumatic cylinder 17.
  • an over-dead center stop 7 is also attached to the carrier plate 13 ', which ensures that the hook end 8' does not lift off again slightly from the object to be tensioned when the piston rod is pressed further and that Joint members of the knee lever cannot be pushed upwards.
  • the possibility of reaching an over-dead center position also with this device is essential insofar as the tensioned position must be maintained regardless of whether the pressure in the cylinder is present or not.
  • a correspondingly guided coupling rod can be arranged perpendicular to the plane of the illustration, which has a piston rod which is designed like a fork at the end is detected and the areas on the joints 11 are designed as rollers against which the coupling rod presses.
  • a firm connection of the piston rod with the knee joint 11, as shown, is namely - this also applies to a single arrangement of the device with its own drive - not absolutely necessary, since the toggle lever 6 'with the piston rod of the cylinder 17 retracted easily with other suitable means the dead center position shown in Fig. 3, 4 can be pushed out.
  • a further actuating cylinder could of course also be provided for this purpose, coupled to a wedge to be adjusted, which acts on the knee joint 11.
  • Such drive elements that can only be brought into operative connection are of particular interest for the transport vehicles mentioned in the automotive industry, since these vehicles must be able to be uncoupled individually from production lines if necessary and the clamped workpieces thereon.
  • the tensioning device of the support plate 13 can be moved with very short strokes (the illustrations have a scale of about 1: 1), it is also absolutely unproblematic to provide for a manual drive which, for example, presses the knee joint 11 upwards with a suitably dimensioned curve .
  • the short-stroke nature of the tensioning device which can also be accommodated in tight spaces in a space-consuming manner, is due to the fact that the tensioning lever 1 is erected from a somewhat lying position with a narrow arc movement and, at the end of this uprighting movement, is pulled down slightly again and brought into the tensioned position .
  • the actuating cylinder 17 does not have to be assigned vertically to the tensioning device, as shown, but this can also be arranged horizontally with the interposition of a suitable motion converter (curve guide piece or the like) on the head of the piston rod.
  • support plate is of course to be understood in such a way that it can also be a contact plate to which the object to be clamped is attached laterally and then clamped as described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Pallets (AREA)
  • Clamps And Clips (AREA)

Claims (7)

1. Plaque de support, en particulier plaque de support pour chariots transporteurs ou palettes, avec dispositif de serrage pour objets serrables sur la plaque (13) pourvue d'une ouverture de pénétration (14), constituée d'un dispositif de serrage disposé sous la plaque (13), lequel présente un levier de serrage en forme de crochet (1 ") formant élément de liaison entre deux bras oscillants (2, 3), et forme avec ceux-ci un mécanisme à quatre éléments sur une plaque de support à dispositif de serrage (13') le levier de serrage (1) se prolongeant au-delà de l'articulation (4) d'un des bras oscillants (3) par sa partie de serrage (1'), et un élément d'entraînement réglable est prévu dans le mécanisme, caractérisée en ce que les deux bras oscillants (2, 3) sont disposés à rotation sur la plaque de support (13'), par leurs articulations (9, 10) éloignées du levier de serrage, jouent le rôle de bielles oscillantes, et forment avec la dite plaque de support et le levier de serrage (1) une bille double, en ce que les deux autres articulations (4, 3) des bielles sont reliées de manière rotative, mais non déplaçable, au levier de serrage (1), en ce que les deux bras oscillants (2, 3) sont disposés de manière à osciller ensemble, dans une même direction, aussi bien vers la plaque (13) qu'à l'écart de celle-ci, en ce que le levier de serrage (1) commandé par les éléments (2, 3) est disposé, en position de retrait, parallèlement ou quasi parallèlement et, en position de serrage, verticalement ou quasi verticalement à la plaque (13), et que l'élément d'entraînement (6) du quadrilatère d'articulation a la forme d'un entraînement à levier à genouillère (6').
2. Plaque de support selon la revendication 1 caractérisée en ce qu'une butée au-delà du point mort est prévue dans le domaine d'entraînement du levier à genouillère (6').
3. Plaque de support selon la revendication 1 ou 2, caractérisée en ce que l'axe longitudinal (8) du levier de serrage (1) forme, par rapport à l'horizontale, un angle de 0° à 10° environ en position de retrait, et un angle de 85° à 90° environ en position de serrage.
4. Plaque de support selon une des revendications 1 à 3, caractérisée en ce que l'extrémité (12) d'un élément d'entraînement, tel que la tige de piston d'un cylindre pneumatique, hydraulique ou similaire, en liaison active avec l'articulation à genouillère (11), est prévue sur l'articulation à genouillère (11) de l'entraînement à levier à genouillère (6').
5. Plaque de support selon une des revendications 1 à 4, caractérisée en ce qu'une commande de rappel est prévue sur l'articulation à genouillère (11).
6. Plaque de support selon une des revendications 1 à 5, caractérisée en ce que l'extrémité côté serrage du crochet 1") est dotée d'une vis de pression réglable (18).
7. Plaque de support selon une des revendications 1 à 6, caractérisée en ce que, lors de la disposition de plusieurs dispositifs de serrage en ligne sous la plaque de support (13), ceux-ci sont dotés d'un élément d'entraînement commun agissant sur un élément de liaison, tel une tige de manoeuvre ou similaire.
EP85106123A 1984-05-28 1985-05-18 Plaque porteuse avec dispositif de serrage Expired EP0163219B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85106123T ATE36663T1 (de) 1984-05-28 1985-05-18 Tragplatte mit spannvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3419878A DE3419878C1 (de) 1984-05-28 1984-05-28 Tragplatte insbesondere Transportwagen- od. Palettentragplatte mit Spannvorrichtung
DE3419878 1984-05-28

Publications (2)

Publication Number Publication Date
EP0163219A1 EP0163219A1 (fr) 1985-12-04
EP0163219B1 true EP0163219B1 (fr) 1988-08-24

Family

ID=6237053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85106123A Expired EP0163219B1 (fr) 1984-05-28 1985-05-18 Plaque porteuse avec dispositif de serrage

Country Status (3)

Country Link
EP (1) EP0163219B1 (fr)
AT (1) ATE36663T1 (fr)
DE (1) DE3419878C1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853211A (en) * 1997-01-10 1998-12-29 Btm Corporation Universal gripper
EP0937545A1 (fr) * 1998-02-18 1999-08-25 Delaware Capital Formation, Inc. Dispositif de serrage hydraulique encapsulé
US6102383A (en) * 1997-10-21 2000-08-15 Tunkers Maschinenbau Gmbh Combined centering and clamping device for use in the automotive industry
US6186517B1 (en) * 1996-12-24 2001-02-13 Michel Beffrieu Pilot tool for centering and clamping
CN103753447A (zh) * 2013-12-27 2014-04-30 广州奥迪通用照明有限公司 一种新型夹具
CN104385181A (zh) * 2014-10-30 2015-03-04 陈昊书 一种气动夹紧装置
CN109128939A (zh) * 2018-10-29 2019-01-04 唐师正 一种自动柔性夹具及加工方法
CN109158922A (zh) * 2018-11-22 2019-01-08 李伟 一种机械加工用快速夹紧装置
CN111906562A (zh) * 2019-05-27 2020-11-10 中车大同电力机车有限公司 车钩夹持装置
DE102020003577B3 (de) * 2020-06-16 2021-06-10 Olaf und André Tünkers GbR (vertretungsberechtigter Gesellschafter: Dipl.-Ing. Olaf Tünkers, 40883 Ratingen) Unterbodenspanner mit Kniehebelgelenk und Kulissenführung, zur Verwendung im Karosseriebau der Kfz-lndustrie

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3936396C1 (en) * 1989-11-02 1991-04-25 Josef Gerhard 4030 Ratingen De Tuenkers Toggle tightening device - has housing containing toggle with piston and cylinder, and right angled two armed lever pivoted at other end
DE8913386U1 (fr) * 1989-11-13 1991-03-14 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt, De
DE3938208C1 (fr) * 1989-11-17 1990-11-22 Josef Gerhard 4030 Ratingen De Tuenkers
DE4429425C1 (de) * 1994-08-19 1995-10-19 Opel Adam Ag Spannvorrichtung
US6115898A (en) * 1995-06-06 2000-09-12 Btm Corporation Force multiplying apparatus for clamping a workpiece and forming a joint therein
ITMI20021756A1 (it) * 2002-08-02 2004-02-03 Luciano Migliori Dispositivo di aggancio per pezzi da lavorare.
ITMI20031454A1 (it) * 2003-07-16 2005-01-17 Univer Spa Dispositivo di aggancio compatto per pezzi da lavorare
DE102004040606B3 (de) * 2004-08-21 2006-01-12 Tünkers Maschinenbau Gmbh Als Gripper ausgebildete Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
US8186555B2 (en) 2006-01-31 2012-05-29 Ethicon Endo-Surgery, Inc. Motor-driven surgical cutting and fastening instrument with mechanical closure system
DE102009058985B3 (de) * 2009-12-18 2011-06-01 Tünkers Maschinenbau Gmbh Unterbodenspanner zum Zentrieren und Spannen von Werkstücken, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie
CN102626910B (zh) * 2012-04-26 2014-06-11 常州星宇车灯股份有限公司 快速夹紧组件
CN102922451A (zh) * 2012-11-15 2013-02-13 昆山迈致治具科技有限公司 快速夹装置
DE102014100573B3 (de) * 2014-01-20 2015-07-02 Teamtechnik Maschinen Und Anlagen Gmbh Toleranzausgleichende Spannvorrichtung umfassend zwei Kniehebel-Einheiten und weiterem Spann-Element
CN104384960A (zh) * 2014-10-30 2015-03-04 陈昊书 一种用于固定夹紧块状零件的装置
CN105458976A (zh) * 2015-12-31 2016-04-06 天津贝斯特斯科技有限公司 一种液压定位装置
CN106736746A (zh) * 2016-12-21 2017-05-31 泉州市联控自动化科技有限公司 一种浮动压紧机构
CN108994128A (zh) * 2018-08-01 2018-12-14 浙江金瑞五金索具有限公司 一种弹簧钩扳弯机
CN110722524A (zh) * 2019-10-21 2020-01-24 深圳市八零联合装备有限公司 一种气缸旋转输出装置
CN110948424B (zh) * 2019-12-19 2021-09-21 惠州市精鸿精密科技有限公司 一种散热片的加工治具
CN112937903A (zh) * 2021-03-22 2021-06-11 贵州航天特种车有限责任公司 一种用于无人机弹射的轻量化锁紧装置
US11759915B2 (en) * 2021-10-03 2023-09-19 Delaware Capital Formation, Inc. Pneumatic latch clamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1274451A (en) * 1917-05-18 1918-08-06 Firestone Steel Products Co Clamping mechanism for welders.
US2436941A (en) * 1945-03-28 1948-03-02 Jack J Sendoykas Toggle clamp
GB778865A (en) * 1954-12-08 1957-07-10 Speed Tools Ltd Improvements in or relating to clamps
US3165309A (en) * 1962-09-13 1965-01-12 Tri Ordinate Corp Clamping mechanisms
US3480271A (en) * 1967-10-18 1969-11-25 Gen Motors Corp Toggle clamp
DE7806055U1 (de) * 1978-03-01 1978-06-15 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt Kniehebelgelenkspanner
DD135455A1 (de) * 1978-04-17 1979-05-09 Joachim Schmidt Spannvorrichtung zum schweissen von blechschrankgehaeusen

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6186517B1 (en) * 1996-12-24 2001-02-13 Michel Beffrieu Pilot tool for centering and clamping
US5853211A (en) * 1997-01-10 1998-12-29 Btm Corporation Universal gripper
US6102383A (en) * 1997-10-21 2000-08-15 Tunkers Maschinenbau Gmbh Combined centering and clamping device for use in the automotive industry
EP0937545A1 (fr) * 1998-02-18 1999-08-25 Delaware Capital Formation, Inc. Dispositif de serrage hydraulique encapsulé
CN103753447A (zh) * 2013-12-27 2014-04-30 广州奥迪通用照明有限公司 一种新型夹具
CN104385181A (zh) * 2014-10-30 2015-03-04 陈昊书 一种气动夹紧装置
CN109128939A (zh) * 2018-10-29 2019-01-04 唐师正 一种自动柔性夹具及加工方法
CN109158922A (zh) * 2018-11-22 2019-01-08 李伟 一种机械加工用快速夹紧装置
CN111906562A (zh) * 2019-05-27 2020-11-10 中车大同电力机车有限公司 车钩夹持装置
DE102020003577B3 (de) * 2020-06-16 2021-06-10 Olaf und André Tünkers GbR (vertretungsberechtigter Gesellschafter: Dipl.-Ing. Olaf Tünkers, 40883 Ratingen) Unterbodenspanner mit Kniehebelgelenk und Kulissenführung, zur Verwendung im Karosseriebau der Kfz-lndustrie

Also Published As

Publication number Publication date
ATE36663T1 (de) 1988-09-15
DE3419878C1 (de) 1985-12-19
EP0163219A1 (fr) 1985-12-04

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