EP1334803A2 - Dispositif de serrage, notamment étau - Google Patents

Dispositif de serrage, notamment étau Download PDF

Info

Publication number
EP1334803A2
EP1334803A2 EP03100266A EP03100266A EP1334803A2 EP 1334803 A2 EP1334803 A2 EP 1334803A2 EP 03100266 A EP03100266 A EP 03100266A EP 03100266 A EP03100266 A EP 03100266A EP 1334803 A2 EP1334803 A2 EP 1334803A2
Authority
EP
European Patent Office
Prior art keywords
clamping
dovetail
clamping device
jaw
holding member
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
EP03100266A
Other languages
German (de)
English (en)
Other versions
EP1334803B1 (fr
EP1334803A3 (fr
Inventor
Reiner Hippenstiel
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.)
Hilma-Romheld GmbH
Original Assignee
Hilma-Romheld 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 Hilma-Romheld GmbH filed Critical Hilma-Romheld GmbH
Publication of EP1334803A2 publication Critical patent/EP1334803A2/fr
Publication of EP1334803A3 publication Critical patent/EP1334803A3/fr
Application granted granted Critical
Publication of EP1334803B1 publication Critical patent/EP1334803B1/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
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • B25B1/2405—Construction of the jaws

Definitions

  • the invention relates to a clamping device, in particular vice, with Clamping a tool or workpiece can be moved relative to each other Holding elements, on each of which a jaw is detachably attached.
  • Such a clamping device is now generally used for clamping tools or workpieces and is used for example in DE 197 56 695 A1 shown.
  • one of the clamping jaws is attached to an in one sled bed attached to the sled while the other Clamping jaw designed as a fixed clamping jaw and on a fixed holding member is appropriate.
  • Only for clamping devices for central clamping are both jaws attached to a movable carriage.
  • the clamping jaws are on the holding member, that is, on the fixed holding member or the sled, screwed on. This type of attachment is complex. To the A tool is always required to replace a clamping jaw.
  • the invention is based on the problem of a Clamping device, in particular to create a vice, in which the Have the jaws replaced quickly and easily.
  • the clamping tool according to the invention is thereby to solve this problem characterized in that at least one of the jaws by means of a Dovetail connection with wedge-shaped to each other Sidewalls is attached to the holding member.
  • the clamping jaw Due to the dovetail connection, the clamping jaw only needs in the associated holding member can be inserted. It results from the wedge-shaped course of the side cheeks of the dovetail connection, especially if the wedge angle is self-locking, a Clamping effect between the holding member and the clamping jaw, through which the Jaw is securely fixed.
  • the jaw can be easily Loosen hammer blow or the like quickly and easily.
  • the dovetail connection is preferably transverse to the tensioning direction Jaws formed. This will automatically release the clamping jaw, avoided, for example, due to the clamping of a workpiece.
  • both jaws With the To provide dovetail connection so that both jaws on can be replaced easily.
  • the Directions of insertion, and thus also the directions of extension, of the jaws be designed in opposite directions to each other. This avoids that the Clamping jaws during the machining of a workpiece due to transverse forces solve automatically.
  • the dovetail of the jaw and one corresponding dovetail groove assigned to the holding member can be designed with a resilience, which is preferably is arranged below the dovetail groove. Because of this compliance the safety of the connection is increased. The flexibility can be relied on easily realized by reducing the material in the holding member.
  • the elastic by defined contact surfaces and free spaces Allow deformation of the dovetail connection, which in turn the Encourage understanding of the connection.
  • the franking is in particular as transverse to Flat groove running in the clamping direction. You can in the direction of tension seen behind and / or in front of the dovetail groove and / or in the area of the Dovetail groove can be arranged.
  • The is in front of and / or behind the Clearance arranged in dovetail groove preferably in the clamping jaw and the franking arranged in the region of the dovetail groove Holding organ arranged.
  • the clamping device shown has a slide bed 10, in which a slide 11 is guided longitudinally.
  • the carriage 11 is actuated by a Threaded spindle, which is screwed into a cover screwed onto the end of the slide bed 10 12 is mounted and of which only the hexagon head 13 in FIGS. 2 and 3 is visible.
  • a holding plate 14 is fastened to the top of the slide bed 10, namely screwed on.
  • This holding plate 14 carries a jaw 15, which with a stepped support surface 16 and a perpendicular to it Clamping surface 17 is provided.
  • Another, analog trained jaw 18, the also a stepped support surface 19 and a perpendicular to it arranged clamping surface 20 is carried by the carriage 11.
  • the type of attachment of the jaws 15, 18 on the holding plate 14 and the Carriage 11 is solved here in a special way.
  • the jaws 15, 18 have each have a dovetail 21, 22, which in corresponding Dovetail grooves 23, 24 in the holding plate 14 and the slide 11 out are.
  • the jaw 15 or 18 from the side in each associated dovetail groove 23 or 24 inserted (direction of insertion).
  • the dovetail connections formed in this way point in the direction of insertion wedge-shaped side walls 25, 26 or 27, 28.
  • the wedge angle of the wedge-shaped side walls 25, 26 and 27, 28 is selected so that self-locking clamping of the dovetails 21, 22 in the associated dovetail grooves 23, 24 results.
  • the dovetail connections are transverse oriented to the clamping direction 29.
  • the dovetail connections are in their wedge shape in opposite directions. How particularly well in Fig. 3 too can be seen, can be seen in the clamping direction 29, the jaw 18 to the left can be pushed out of the carriage 11 while the jaw 15 after can be pushed out to the right.
  • the dovetail connection is for the fixed Clamping jaw 15 designed so that the outer seen in the clamping direction Sidewall 26 is oriented perpendicular to the clamping direction 29.
  • a compliance below the Dovetail groove 23 attached namely by a material reduction 30.
  • This material reduction 30 is due to the milling for the Dovetail groove 23 formed itself.
  • frankings 31, 32, 33 or 34, 35 provided in order to have defined contact surfaces for the clamping jaws 15, 18 on the holding plate 14 or to create the carriage 11. These frankings 31..35 are considered to be transverse to the clamping direction 29 running grooves in the contact surfaces between the jaws 15, 18 with the holding plate 14 and the carriage 11 are formed. The depth of these frankings 31..35 is exaggerated in Fig. 2 for clarity.
  • the Postage 31 is seen on the fixed jaw 15 in the clamping direction 29 provided behind the dovetail 21.
  • the franking 32 is below the dovetail groove 23 is provided in the holding plate 14 and the The franking 33 is seen in the tensioning direction 29 in front of the dovetail 21 again provided in the jaw 15.
  • the movable jaw 18 associated frankings 34 and 35 are on the one hand as franking 34 in the carriage 11 provided below the dovetail groove 24 and for other than franking 35 seen in the clamping direction 29 behind the Dovetail 22 in the jaw 18.
  • the side walls 25, 26 are in the side view according to FIG. 2 by approximately 45 ° inclined on the outside so that they have the associated dovetail groove 23 or 24 undercut.
  • the side walls 25, 26 can also be another Angle inclined or aligned vertically so that there are none Undercut more results.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Gripping On Spindles (AREA)
  • Arc Welding In General (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP03100266A 2002-02-11 2003-02-10 Dispositif de serrage, notamment étau Expired - Lifetime EP1334803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10205601 2002-02-11
DE10205601A DE10205601A1 (de) 2002-02-11 2002-02-11 Spannvorrichtung, insbesondere Schraubstock

Publications (3)

Publication Number Publication Date
EP1334803A2 true EP1334803A2 (fr) 2003-08-13
EP1334803A3 EP1334803A3 (fr) 2004-01-28
EP1334803B1 EP1334803B1 (fr) 2008-08-06

Family

ID=27588529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03100266A Expired - Lifetime EP1334803B1 (fr) 2002-02-11 2003-02-10 Dispositif de serrage, notamment étau

Country Status (3)

Country Link
EP (1) EP1334803B1 (fr)
AT (1) ATE403525T1 (fr)
DE (2) DE10205601A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011002290A1 (fr) * 2009-07-02 2011-01-06 Teqq B.V. Étau de machine et centre d'usinage comprenant ledit étau
US9281775B2 (en) 2011-09-19 2016-03-08 Ludwig Ehrhardt Gmbh Clamping device with an electric motor
CN106525574A (zh) * 2016-12-28 2017-03-22 西南铝业（集团）有限责任公司 上钳口及其加工工艺

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008017911A1 (de) 2008-04-08 2009-10-15 Hilma-Römheld GmbH Spannanordnung für ein Spannelement, insbesondere Schraubstock
DE102008049753B4 (de) * 2008-10-01 2019-12-24 Ludwig Ehrhardt Gmbh Spannvorrichtung zum Spannen von Werkstücken
DE102016010657A1 (de) 2016-09-02 2018-03-08 Ludwig Ehrhardt Gmbh Spannvorrichtung mit einer Sensoranordnung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE245968C (fr) *
US2490843A (en) * 1946-05-17 1949-12-13 Sordi Ilio Vise-jaw attachment selectively usable as an auxiliary jaw or as a work support between two other vise jaws
US2680395A (en) * 1949-10-29 1954-06-08 Erwood B Christiansen Vise with split adjustable jaws
US3874578A (en) * 1974-04-19 1975-04-01 Prym Inc William Jaw member-die member assembly
US4191367A (en) * 1977-11-16 1980-03-04 Sheterom Samuel G Jr Fluid-operated vise with jaw mounting system
GB2218029A (en) * 1988-01-26 1989-11-08 Stanley Eric Cook Clamps
US5060920A (en) * 1990-12-20 1991-10-29 Eddy Engibarov Quick change jaw assembly for high precision machining

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE245968C (fr) *
US2490843A (en) * 1946-05-17 1949-12-13 Sordi Ilio Vise-jaw attachment selectively usable as an auxiliary jaw or as a work support between two other vise jaws
US2680395A (en) * 1949-10-29 1954-06-08 Erwood B Christiansen Vise with split adjustable jaws
US3874578A (en) * 1974-04-19 1975-04-01 Prym Inc William Jaw member-die member assembly
US4191367A (en) * 1977-11-16 1980-03-04 Sheterom Samuel G Jr Fluid-operated vise with jaw mounting system
GB2218029A (en) * 1988-01-26 1989-11-08 Stanley Eric Cook Clamps
US5060920A (en) * 1990-12-20 1991-10-29 Eddy Engibarov Quick change jaw assembly for high precision machining

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011002290A1 (fr) * 2009-07-02 2011-01-06 Teqq B.V. Étau de machine et centre d'usinage comprenant ledit étau
US9281775B2 (en) 2011-09-19 2016-03-08 Ludwig Ehrhardt Gmbh Clamping device with an electric motor
CN106525574A (zh) * 2016-12-28 2017-03-22 西南铝业（集团）有限责任公司 上钳口及其加工工艺

Also Published As

Publication number Publication date
EP1334803B1 (fr) 2008-08-06
ATE403525T1 (de) 2008-08-15
DE10205601A1 (de) 2003-08-21
DE50310269D1 (de) 2008-09-18
EP1334803A3 (fr) 2004-01-28

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