EP1309426A1 - Kniehebelspannvorrichtung - Google Patents
KniehebelspannvorrichtungInfo
- Publication number
- EP1309426A1 EP1309426A1 EP02737991A EP02737991A EP1309426A1 EP 1309426 A1 EP1309426 A1 EP 1309426A1 EP 02737991 A EP02737991 A EP 02737991A EP 02737991 A EP02737991 A EP 02737991A EP 1309426 A1 EP1309426 A1 EP 1309426A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rod
- longitudinal axis
- clamping head
- thread
- clamping
- 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.)
- Granted
Links
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
- B25B5/16—Details, e.g. jaws, jaw attachments
-
- 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 toggle lever clamping device, in particular for use in body construction in the motor vehicle industry.
- the adjusting device is designed as a clamping screw arranged coaxially to the brake or stop piston, which is arranged in a bore in the cylinder base and is locked by a lock nut.
- the adjusting device can also be designed as a linear motor, air motor, hydraulic motor, electric spindle motor or as a piston-cylinder unit to be acted upon alternately on both sides by pressure medium pressure.
- the brake piston and thus the opening angle, the end position detection and, if necessary, the end position damping can be adjusted gradually - intermittently - in the axial direction.
- the actuating element can be actuated from the outside on the toggle lever tensioning device in order to carry out the desired settings, so to speak with one hand.
- the control element enables the desired sensitive adjustment under operating conditions. Since the actuating element can be arranged at a non-obstructive point, for example on the cylinder bottom, the outer contour of the toggle lever clamping device is not adversely affected, so that its all-round attachment option is retained from four sides. It is then also unnecessary to provide openings on the cylinder, on the clamping head or the like, for example to arrange sensors. Rather, it is with this configuration possible to move all electrical lines, sensors and damping elements into the toggle lever clamping device, for example into the cylinder and / or the clamping head.
- sensors and contacts as well as electrical lines are arranged in a protected manner in the toggle lever clamping device in all embodiments. It is particularly advantageous, however, that a simple tool can be used to change and lock the cylinder end interrogation, opening angle, end position interrogation and, if necessary, end position damping simultaneously and in the same direction, ie very quickly and with the toggle lever clamping device installed.
- DE 298 11 331 U1 discloses a device for holding, positioning or tensioning, in particular for holding, positioning or tensioning body parts, with a housing in which a device which is translationally movable under the action of an actuating device is arranged, and a tensioning and Holding arm, wherein the movable device and the rod of the actuating device are connected to one another by means of a length-adjustable device.
- the rod of the actuating device has a threaded bore, the movable device being connected to a connecting element which has an external thread at one end in order to adjust the length by mutually screwing the threaded bore in the Reach the rod with the threaded end of the connecting element.
- the connecting element is non-rotatably connected to the movable device.
- the connecting element has a configuration which interacts with an end position interrogation device of the tensioning and holding position, the connecting element being provided with a flag, the position of which can be determined by a suitable end position interrogation device connected to the housing of the device.
- the rod of the actuating device is connected to the actuating device in a rotationally fixed manner, for example in that it is attached to an elongated or rectangular piston.
- the rod and the actuating device have such a configuration that cooperates with an end position interrogation device for determining the release or opening position.
- a flag is attached to the rod, the position of which can be determined by a suitable end position interrogation device connected to the housing of the device.
- At least one end position interrogation device which is connected to the housing of the device, is a contactless, preferably inductive end position interrogation unit.
- the end position interrogation devices are arranged in the same end position interrogation module.
- This is intended to achieve a gradual setting of an angular degree on the clamping and holding degree for every half revolution of the piston-cylinder unit around the screw axis. This makes it possible to adjust the clamping and holding position as well as the opening and releasing position without any intervention other than screwing the piston-cylinder unit in its entirety around the threaded rod. This should make it possible to use the same device for a wide, usable angular and positioning range.
- the invention has for its object to simplify a toggle lever tensioning device of the presupposed type in such a way that the rod can be adjusted from outside in the longitudinal axis direction without dismantling the toggle lever tensioning device, in particular without removing its drive, in order thereby to set the opening angle of the tensioning arm.
- the piston rod is provided at its end facing the clamping head with an external thread and with this in a sleeve-shaped part of a gear element, in particular a fork head, which is connected to the toggle joint arrangement, to a greater or lesser extent, in order to thereby increase the opening angle of the clamping arm change and adjust.
- a fine thread e.g. B. M10 x 1, or as a metric thread, or a suitable trapezoidal thread.
- Claim 2 denotes a further inventive solution with a ball screw.
- a guide plate is arranged on the rod, which has at least two projections on diametrically opposite sides, which engage in the guide grooves provided for rollers on the toggle joint arrangement and which extend parallel to the longitudinal axis of the rod and can thus take over the function of preventing rotation of the rod.
- the clamping head has a circumferential extension extending transversely to the longitudinal axis , into which the guide grooves open and into which the guide plate enters with its projections if the spindle is to be adjusted by rotating it about its longitudinal axis.
- the adjusting device for example a piston-cylinder unit, a linear motor or the like, does not have to be unscrewed from the clamping head, but instead only a bottom cover is required on the side of the clamping head facing away from the clamping head Adjustment device, or a nut provided there, removed, it being possible to reach through an opening which has then been released by means of a screwdriver in order to reach the rod and then to be able to rotate it in one or the other direction, in order thereby to adjust the opening angle of the To bring about low tension after the guide plate has entered the extension. After the adjustment, the guide plate is again brought back into the guide grooves so that the rod is arranged against rotation.
- the adjustment can be made through the bottom cover of the adjusting drive, for example by exposing a central opening and through this by means of a screwdriver the end with an internal hexagon or with a slot rod is reached to insert it into the to turn one way or another.
- the invention is illustrated - partly schematically - for example. Show it: 1 shows a toggle lever clamping device in axial longitudinal section, with one shell half of the clamping head being removed;
- Figure 2 is a section along the line II - II of Fig. 1.
- FIGS. 1 and 2 shows the toggle lever clamping devices shown in FIGS. 1 and 2 after adjustment and renewed locking of the piston rod
- the reference numeral 1 overall designates a clamping head which consists of two sandwich-like and tightly superimposed shell halves 1a, 1b, which seal a toggle joint arrangement 2 in a dirt and moisture-proof manner.
- the toggle joint arrangement 2 is mounted in the clamping head 1 via a shaft 3 which is fixed to the housing and drives a clamping arm 4 which is driven so as to be pivotable in the direction A or B.
- a drive 5 is arranged on it, which in the present case is designed as a piston-cylinder unit in the embodiment according to FIGS. 1 and 2.
- a cylinder is designated 6, the ports 7 and 8 for connecting compressed air lines (not shown), through which air pressure is supplied to a piston 9 which is longitudinally displaceable and sealingly guided in the cylinder 6, in order to drive it in the direction X or Y in a stroke-movable manner.
- a rod 10 designed as a piston rod is connected to the piston 9 in a sealed manner by a seal 11.
- the piston rod 10 passes through a cover 12 sealed by a seal 12.
- the bottom cover 14 has a central bore 15 which is sealed to the outside by a plug 16 by means of screws. Only the center lines of the screws can be seen.
- the piston rod 10 extends through the interior of the clamping head 1 and has at its end remote from the piston 9 a certain length section of external thread 17, by means of which it is screwed into a sleeve-shaped gear element 18.
- the transmission element 18 can be a fork head which is connected to the toggle joint arrangement 2 in a transmission manner.
- the piston rod 10 has at its end portion facing the piston 9 a thickened head 19 with a recess 20 for coupling with a tool, not shown, in particular with a screwdriver, which after removing the plug 16 through the bore 15 into the cylinder interior is introduced in order to rotate the piston rod 10 to the left or to the right about its longitudinal axis 21 in the manner yet to be described and thereby to screw the threaded end section 22 more or less far into the sleeve-shaped gear element 18.
- the thread 17 can be right-hand or left-hand thread and can be designed as a fine thread or as a trapezoidal thread in order to be able to adjust the piston rod 10 in the X or Y direction, that is to say in the stroke direction, correspondingly sensitively.
- the design and arrangement of the thread can be such that the opening angle of the tensioning arm 4 can be changed or adjusted by one degree or less by turning the piston rod 10 to the left or right.
- the outer diameter of the thread 17 is twelve mm, while the pitch of the thread 17 is one mm for a metric thread.
- the clamping head 1 is provided in the direction of the longitudinal axis 21 with the same size, parallel to each other, arranged symmetrically with respect to the longitudinal axis 21 of the piston rod 10 guide grooves 23 and 24, in which not shown, optionally roller bearing, z. B. ball bearing or needle bearing mounted rollers are rolling, which are associated with a pin 25 of the toggle joint assembly 2, thereby achieving smooth operation.
- a guide plate 26 is arranged on the piston rod 10, which with lateral projections 27 and 28 in the Guide grooves 23 and 24 engages with play and that serves to prevent rotation of the piston rod 10 and thus also the toggle joint arrangement 2.
- the guide plate 26 can be rotated clockwise and counterclockwise around the longitudinal axis 21 in the event of an axial displacement in the direction X and after entering a free space 29 facing the cover 13, since the guide grooves 23 and 24 open into the free space 29 of the fork head 1.
- a switching flag 30 is connected to the gear element 18, which interacts with sensors 31 and 32 and thereby indicates the position of the piston rod 10 and thus indirectly also the opening angle of the tensioning arm 4.
- the sensors 31 and 32 can be suitable inductively operating sensors, microswitches or, if necessary, pneumatic switches.
- the sensors 31 and 32 can be arranged on a circuit board 33, which is only indicated schematically, as an exchangeable unit which can be inserted from the rear of the toggle lever clamping device through a slot 34 into the interior 35 of the clamping head 1.
- the slot 34 extends in the direction of the longitudinal axis 21 and in the embodiment shown is arranged symmetrically with respect to the two shell halves 1a and 1b of the clamping head 1.
- the slot 34 is sealed dirt and dust-tight and, if possible, also moisture-tight to the outside by the circuit board 33, so that as far as possible no contaminants can get into the interior 35 of the clamping head 1 through the slot 34.
- the design and arrangement of the circuit board can the rest should be taken as described and shown in DE 196 16 441 C1 (0 803 331 B1).
- the opening angle is adjusted as follows in the embodiment shown in FIGS. 1 and 2:
- the piston 9 is moved in the direction X until the guide plate 26 has entered the free space 29.
- a recess can be inserted into the recess 20 of the piston rod 10 by means of a screwdriver in order to turn it either to the left or to the right and thereby to change the opening angle of the tensioning arm 4.
- the guide plate 26 is brought back into the guide grooves 23 and 24 and thereby locked against rotation.
- the clamping arm 4 is thus set to the new swivel angle.
- the plug 16 is brought back into its closed position and fastened. The adjustment of the swivel angle thus takes place from the rear of the drive 5 without the toggle lever tensioning device otherwise having to be taken apart.
- the opening angle of the clamping arm 4 can be adjusted sensitively and in a few simple steps and, if necessary, in the installed state without disassembling the device and also locked in the desired position. 4, the invention is described in application to a further embodiment.
- the reference symbols shown in FIGS. 1 to 3 have been used for parts with the same function.
- Reference numeral 36 denotes a stator of an electric motor, not shown in detail, to which a rotor 37 is assigned, which has a screw nut, not shown in detail, which meshes with the thread 17 of the rod 10 designed as a ball screw. It is also possible to provide a metric thread, a Whitworth thread or a spindle with a trapezoidal thread.
- the screw nut of the rotor 37 meshes with the suitable transmission elements, which drives the ball screw 10 in the direction X or Y, while the nut itself and thus also the rotor 37 stand still because it is fixed in the stator 36, so that only the ball screw 10 back and forth in the direction Y or X, depending on the drive of the electric motor, whereby it screws more or less into the nut of the rotor 37 or unscrewed from it and thereby drives the tension arm 4 accordingly.
- a shock absorber is designated by 38, which is intended to prevent the guide plate 26 from striking too hard against the rotor housing 37 or its nut.
- the shock absorber can consist of a body having rubber-elastic properties, for example of a polyurethane plastic.
- the stator 36 can be closed at the end by a base cover 39 by means of screws (not shown), so that by means of a tool, for example a screwdriver, after driving the guide plate 26 into the free space 29, the ball screw 10 correspondingly more or less fits into the screw nut screwed in and out of it, thereby changing the swivel angle.
- the reference numeral 40 designates electrical cables for supplying electrical energy.
- Leaflets KG84A32101, KG84A32102, KG84A32103, KG84A32104 from the company DE-STA-CO Metallmaschinenisse GmbH regarding "curve clamp grippers, single clamp grippers, double clamp grippers"
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10136057A DE10136057C1 (de) | 2001-07-25 | 2001-07-25 | Kniehebelspannvorrichtung |
DE10136057 | 2001-07-25 | ||
PCT/EP2002/004550 WO2003011528A1 (de) | 2001-07-25 | 2002-04-25 | Kniehebelspannvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1309426A1 true EP1309426A1 (de) | 2003-05-14 |
EP1309426B1 EP1309426B1 (de) | 2005-03-02 |
Family
ID=7692930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02737991A Expired - Lifetime EP1309426B1 (de) | 2001-07-25 | 2002-04-25 | Kniehebelspannvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US7066459B2 (de) |
EP (1) | EP1309426B1 (de) |
DE (1) | DE10136057C1 (de) |
ES (1) | ES2238575T3 (de) |
WO (1) | WO2003011528A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106272651A (zh) * | 2015-06-08 | 2017-01-04 | 上汽通用五菱汽车股份有限公司 | 一种压刀式定位机构 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20203790U1 (de) * | 2002-03-08 | 2002-07-18 | Tuenkers Maschinenbau Gmbh | Kniehebelspannvorrichtung |
US7815176B2 (en) | 2003-09-11 | 2010-10-19 | Phd, Inc. | Lock mechanism for pin clamp assembly |
US7516948B2 (en) * | 2004-04-02 | 2009-04-14 | Phd, Inc. | Pin clamp accessories |
US7182326B2 (en) * | 2004-04-02 | 2007-02-27 | Phd, Inc. | Pin clamp |
US7448607B2 (en) * | 2004-12-15 | 2008-11-11 | Phd, Inc. | Pin clamp assembly |
DE102005055966A1 (de) * | 2005-11-22 | 2007-05-24 | Schunk Gmbh & Co. Kg Spann- Und Greiftechnik | Blechgreif- oder Blechspannvorrichtung |
US8297604B2 (en) * | 2006-01-20 | 2012-10-30 | Fori Automation, Inc. | Quick-disconnect work support assembly |
US20070267795A1 (en) * | 2006-02-06 | 2007-11-22 | Parag Patwardhan | Pin clamp transfer assembly and method of transferring a workpiece |
FR2916666B1 (fr) * | 2007-05-30 | 2010-02-26 | Peugeot Citroen Automobiles Sa | Outil de serrage en milieu agressif |
WO2008157698A2 (en) | 2007-06-19 | 2008-12-24 | Phd, Inc. | Pin clamp assembly |
US8366085B2 (en) * | 2007-06-19 | 2013-02-05 | Phd, Inc. | Pin locating assembly |
EP2055430B1 (de) * | 2007-10-29 | 2009-06-10 | UNIVER S.p.A. | Kniehebelspannvorrichtung |
WO2009155261A1 (en) * | 2008-06-18 | 2009-12-23 | Phd, Inc. | Strip off pin clamp |
ES2572365T3 (es) | 2009-12-18 | 2016-05-31 | Tünkers Maschb Gmbh | Dispositivo con funcionamiento de doble pistón, accionado por aire comprimido, para ser utilizado en la construcción de carrocería de la industria automotriz |
DE112010005731B4 (de) * | 2010-07-14 | 2014-10-30 | Tünkers Maschinenbau Gmbh | Schwenkvorrichtung zum Schwenkbewegen von Massen, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie |
US8918968B2 (en) | 2010-11-11 | 2014-12-30 | Delaware Capital Formation, Inc. | Link clamp |
FR2989297B1 (fr) * | 2012-04-12 | 2015-03-13 | Christophe Boiteux | Dispositif de serrage d'une piece sur un outillage |
DE102012103921A1 (de) * | 2012-05-04 | 2013-11-07 | De-Sta-Co Europe Gmbh | Spannvorrichtung |
US10625382B2 (en) * | 2012-08-01 | 2020-04-21 | Delaware Capital Formation, Inc. | Toggle lever clamp |
DE202013007409U1 (de) | 2012-09-24 | 2013-09-17 | Tünkers Maschinenbau Gmbh | Unterbauspanner |
CN104708393A (zh) * | 2013-12-12 | 2015-06-17 | 铜陵市永生机电制造有限责任公司 | 一种锯短料用夹具 |
ITUB20153120A1 (it) | 2015-08-13 | 2017-02-13 | Pneumax S P A | Unita' di attuazione del tipo a leva articolata a efficienza ottimizzata |
CN105382746A (zh) * | 2015-12-16 | 2016-03-09 | 芜湖杰诺科技有限公司 | 一种三通阀门装配夹具 |
DE102018003877B4 (de) * | 2018-05-15 | 2021-05-27 | Olaf Und André Tünkers Gbr (Vertretungsberechtigter Gesellschafter: Dipl.-Ing. Olaf Tünkers, 40885 Ratingen) | Variable Zentriervorrichtung für blechförmige Bauteile der Kfz-Industrie |
CN108907587B (zh) * | 2018-09-25 | 2021-08-03 | 芜湖常瑞汽车部件有限公司 | 一种汽车零件柔性焊接夹具 |
US11199248B2 (en) | 2019-04-30 | 2021-12-14 | Woodward, Inc. | Compact linear to rotary actuator |
CN115667734A (zh) | 2020-04-08 | 2023-01-31 | 伍德沃德有限公司 | 带有中心致动组件的旋转活塞型致动器 |
CN112589916A (zh) * | 2020-11-06 | 2021-04-02 | 李耿华 | 一种毛绒棉布异形材料热熔切割机 |
CN115816119A (zh) * | 2020-11-09 | 2023-03-21 | 郦鸿志 | 一种防变形夹具 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3613644A1 (de) | 1986-04-23 | 1987-10-29 | Josef Gerhard Tuenkers | Kraftangetriebene kniehebelspannvorrichtung |
US4723767A (en) * | 1986-08-08 | 1988-02-09 | De-Sta-Co Division, Dover Resources, Inc. | Rotary powered linear actuated clamp |
US5643629A (en) * | 1991-05-20 | 1997-07-01 | Sauerland; Franz L. | Method for adjusting center frequency and bandwidth of monolithic filters by plating through a single-aperture mask on a single side of the filters electrode pattern to plate selected areas of the pattern |
FR2769255B1 (fr) * | 1997-10-08 | 1999-12-03 | Genus Technologie Ind | Dispositif de maintien, de positionnement, ou de serrage |
DE19824579C1 (de) * | 1998-06-02 | 1999-06-17 | Tuenkers Maschinenbau Gmbh | Kniehebelspannvorrichtung, insbesondere zur Verwendung im Karosseriebau der Kfz-Industrie |
JP2001105332A (ja) * | 1999-10-01 | 2001-04-17 | Smc Corp | 電動クランプ装置 |
JP2001227512A (ja) * | 2000-02-15 | 2001-08-24 | Koganei Corp | 位置決めクランプ装置 |
-
2001
- 2001-07-25 DE DE10136057A patent/DE10136057C1/de not_active Expired - Lifetime
-
2002
- 2002-04-25 EP EP02737991A patent/EP1309426B1/de not_active Expired - Lifetime
- 2002-04-25 WO PCT/EP2002/004550 patent/WO2003011528A1/de active IP Right Grant
- 2002-04-25 US US10/381,187 patent/US7066459B2/en not_active Expired - Lifetime
- 2002-04-25 ES ES02737991T patent/ES2238575T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03011528A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106272651A (zh) * | 2015-06-08 | 2017-01-04 | 上汽通用五菱汽车股份有限公司 | 一种压刀式定位机构 |
Also Published As
Publication number | Publication date |
---|---|
US20050225018A1 (en) | 2005-10-13 |
US7066459B2 (en) | 2006-06-27 |
EP1309426B1 (de) | 2005-03-02 |
ES2238575T3 (es) | 2005-09-01 |
DE10136057C1 (de) | 2002-10-02 |
WO2003011528A1 (de) | 2003-02-13 |
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