EP0938952A3 - Clamping device - Google Patents

Clamping device Download PDF

Info

Publication number
EP0938952A3
EP0938952A3 EP99102505A EP99102505A EP0938952A3 EP 0938952 A3 EP0938952 A3 EP 0938952A3 EP 99102505 A EP99102505 A EP 99102505A EP 99102505 A EP99102505 A EP 99102505A EP 0938952 A3 EP0938952 A3 EP 0938952A3
Authority
EP
European Patent Office
Prior art keywords
actuating mechanism
coil
position transmitter
magnetic field
elements
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
Application number
EP99102505A
Other languages
German (de)
French (fr)
Other versions
EP0938952B1 (en
EP0938952A2 (en
Inventor
Detlev Ulle
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
Publication of EP0938952A2 publication Critical patent/EP0938952A2/en
Publication of EP0938952A3 publication Critical patent/EP0938952A3/en
Application granted granted Critical
Publication of EP0938952B1 publication Critical patent/EP0938952B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B25B5/06—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
    • 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

Abstract

Die Erfindung betrifft eine Spannvorrichtung, die aus einem Kopfstück (1) mit mindestens einem schwenkbar daran gelagerten Spannarm (2) besteht, der über eine im Kopfstück (1) angeordnete Stellmechanik (3) mit einem Antriebsglied (4) verbunden ist. Dabei weist die Stellmechanik (3) einen längs eines Stellweges (SW) verstellbaren Stellungsgeber (5) auf, den sie mitbewegt und wobei im Bereich der Stellmechanik (3) Elemente zur Stellungsabfrage des Spannarmes (2) angeordnet sind. Nach der Erfindung sind die Elemente zur Stellungsabfrage aus mindestens einer bestrombaren Spule (7) gebildet. Deren räumliche Erstreckung entspricht im wesentlichen dem Stellweg (SW) des an der Stellmechanik (3) angeordneten Stellungsgebers (5). Dieser befindet sich sich in allen Stellungen der Stellmechanik (3) im gradienten-orientierten Wirkbereich des von der Spule (7) erzeugten Magnetfeldes. Dabei ist die Spule (7) über eine vom Stellungsgeber (5) erzeugte Magnetfeldstörung erfassende Umsetzelektronik (E) mit ihrer Stromquelle (S) verbunden.

Figure 00000001
The invention relates to a tensioning device which consists of a head piece (1) with at least one pivot arm (2) pivotally mounted thereon, which is connected to a drive member (4) via an adjusting mechanism (3) arranged in the head piece (1). The actuating mechanism (3) has a position transmitter (5) which is adjustable along an actuating path (SW), which it also moves, and elements for querying the position of the tensioning arm (2) are arranged in the region of the actuating mechanism (3). According to the invention, the elements for position detection are formed from at least one coil (7) which can be energized. Their spatial extension essentially corresponds to the travel (SW) of the position transmitter (5) arranged on the actuating mechanism (3). This is located in all positions of the actuating mechanism (3) in the gradient-oriented effective range of the magnetic field generated by the coil (7). The coil (7) is connected to its current source (S) via conversion electronics (E) which detects magnetic field interference generated by the position transmitter (5).
Figure 00000001
EP99102505A 1998-02-28 1999-02-10 Clamping device Expired - Lifetime EP0938952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19808631A DE19808631A1 (en) 1998-02-28 1998-02-28 Jig
DE19808631 1998-02-28

Publications (3)

Publication Number Publication Date
EP0938952A2 EP0938952A2 (en) 1999-09-01
EP0938952A3 true EP0938952A3 (en) 2001-02-07
EP0938952B1 EP0938952B1 (en) 2003-05-14

Family

ID=7859312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99102505A Expired - Lifetime EP0938952B1 (en) 1998-02-28 1999-02-10 Clamping device

Country Status (3)

Country Link
EP (1) EP0938952B1 (en)
DE (2) DE19808631A1 (en)
ES (1) ES2193611T3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052857A1 (en) * 2000-10-24 2002-05-02 Sta Co Mettallerzeugnisse Gmbh Workpiece clamping device which can be actuated by an electric motor
ITMI20041584A1 (en) * 2004-08-02 2004-11-02 Univer Spa SYSTEM FOR THE DETECTION OF OPERATING POSITIONS FOR A RETAINING DEVICE FOR WORKPIECES
ITMI20060834A1 (en) * 2006-04-27 2007-10-28 Univer Spa POSITIONING AND LOCKING EQUIPMENT, WITH ADJUSTABLE WORK ARM COVER.
ITMI20061226A1 (en) * 2006-06-26 2007-12-27 Univer Spa DEVICE FOR LOCKING AND-OR WORKING OF PIECES TO WORK WITH OPERATING POSITIONS SET TO MANUALLY
DE102010016333B4 (en) * 2010-04-06 2018-02-08 Turck Holding Gmbh Knee lever tensioning device with an angle detection device by a resonant circuit
JP5688602B2 (en) * 2011-09-02 2015-03-25 Smc株式会社 Clamping device
DE202014103575U1 (en) 2014-08-01 2014-09-02 Pepperl + Fuchs Gmbh Inquiry unit for toggle clamps
JP7366386B2 (en) * 2018-08-02 2023-10-23 株式会社コスメック Clamping system with workpiece behavior detection function
DE102018009534B4 (en) 2018-12-07 2024-04-04 Pepperl+Fuchs Se Clamping device with inductive query unit

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444828A1 (en) * 1978-12-18 1980-07-18 Heurtey Metallurgie Control system for ram positioning - has sliding stop worked by motor driven screw and incorporating shock absorber
DE3245501A1 (en) * 1982-12-09 1984-06-14 Battelle-Institut E.V., 6000 Frankfurt Displacement sensor
US4623840A (en) * 1983-07-05 1986-11-18 K.K. Tokyo Koki Seizosho Actuator
DE9105755U1 (en) * 1991-05-08 1991-06-27 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt, De
EP0462418A1 (en) * 1990-06-15 1991-12-27 Robert Bosch Gmbh Working cylinder with displacement transducer
DE9016781U1 (en) * 1990-12-12 1992-04-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt, De
WO1993014371A1 (en) * 1992-01-13 1993-07-22 Caterpillar Inc. Cylinder piston position detection apparatus
EP0595074A1 (en) * 1992-10-30 1994-05-04 DE-STA-CO Metallerzeugnisse GmbH Clamping device
DE29513586U1 (en) * 1995-08-24 1995-12-07 Tuenkers Maschinenbau Gmbh Toggle clamp device for body construction
DE19545923A1 (en) * 1995-01-26 1996-08-01 Rotovolumetric Ag Piston-cylinder device with inductive stroke-measuring sensor for stroke controlled lifting of loads

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2222686B2 (en) * 1972-05-09 1980-06-12 Tuenkers Maschinenbau Gmbh, 4030 Ratingen Pressure medium-operated toggle lever clamping device, in particular for body parts
DE2846668C2 (en) * 1978-10-26 1986-01-02 Kraftwerk Union AG, 4330 Mülheim Measuring device for expansion screw clamping devices
DE3403961A1 (en) * 1984-02-04 1985-08-14 Josef-Gerhard 4030 Ratingen Tünkers Pneumatically or hydraulically operatable toggle clamping device for the clamping of body components
DE4201464C2 (en) * 1992-01-21 1995-08-24 Festo Kg Device for damping a piston displaceable in a cylinder in at least one of its end position areas
DE9311132U1 (en) * 1993-07-26 1993-09-09 Tuenkers Maschinenbau Gmbh Toggle clamp device for body construction
DE19511436A1 (en) * 1995-03-29 1996-10-02 Oelsch Fernsteuergeraete Control signal generator for generating multiple control signals using a single control lever
DE19616441C1 (en) * 1996-04-25 1997-06-26 Tuenkers Maschinenbau Gmbh Toggle joint clamping device for vehicle bodywork, with grip head
US5875417A (en) * 1996-11-18 1999-02-23 Isi Norgren Inc. Clamp arm position sensing apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444828A1 (en) * 1978-12-18 1980-07-18 Heurtey Metallurgie Control system for ram positioning - has sliding stop worked by motor driven screw and incorporating shock absorber
DE3245501A1 (en) * 1982-12-09 1984-06-14 Battelle-Institut E.V., 6000 Frankfurt Displacement sensor
US4623840A (en) * 1983-07-05 1986-11-18 K.K. Tokyo Koki Seizosho Actuator
EP0462418A1 (en) * 1990-06-15 1991-12-27 Robert Bosch Gmbh Working cylinder with displacement transducer
DE9016781U1 (en) * 1990-12-12 1992-04-09 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt, De
DE9105755U1 (en) * 1991-05-08 1991-06-27 De-Sta-Co Metallerzeugnisse Gmbh, 6000 Frankfurt, De
WO1993014371A1 (en) * 1992-01-13 1993-07-22 Caterpillar Inc. Cylinder piston position detection apparatus
EP0595074A1 (en) * 1992-10-30 1994-05-04 DE-STA-CO Metallerzeugnisse GmbH Clamping device
DE19545923A1 (en) * 1995-01-26 1996-08-01 Rotovolumetric Ag Piston-cylinder device with inductive stroke-measuring sensor for stroke controlled lifting of loads
DE29513586U1 (en) * 1995-08-24 1995-12-07 Tuenkers Maschinenbau Gmbh Toggle clamp device for body construction

Also Published As

Publication number Publication date
ES2193611T3 (en) 2003-11-01
EP0938952B1 (en) 2003-05-14
DE59905521D1 (en) 2003-06-18
DE19808631A1 (en) 1999-09-02
EP0938952A2 (en) 1999-09-01

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