EP1277547A1 - Elément pour serrer des pièces à travailler avec position de serrage flexible - Google Patents

Elément pour serrer des pièces à travailler avec position de serrage flexible Download PDF

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Publication number
EP1277547A1
EP1277547A1 EP02102023A EP02102023A EP1277547A1 EP 1277547 A1 EP1277547 A1 EP 1277547A1 EP 02102023 A EP02102023 A EP 02102023A EP 02102023 A EP02102023 A EP 02102023A EP 1277547 A1 EP1277547 A1 EP 1277547A1
Authority
EP
European Patent Office
Prior art keywords
clamping element
element according
clamping
housing
piston
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
EP02102023A
Other languages
German (de)
English (en)
Other versions
EP1277547B1 (fr
Inventor
David Fischer
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.)
Ludwig Ehrhardt GmbH
Original Assignee
A Roemheld GmbH and Co KG
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 A Roemheld GmbH and Co KG filed Critical A Roemheld GmbH and Co KG
Publication of EP1277547A1 publication Critical patent/EP1277547A1/fr
Application granted granted Critical
Publication of EP1277547B1 publication Critical patent/EP1277547B1/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
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • 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
    • 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
    • B25B1/18—Arrangements for positively actuating jaws motor driven, e.g. with fluid drive, with or without provision for manual actuation
    • 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
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive

Definitions

  • the clamping can be done at two opposite points, as well as at Three- or four-point voltage radiating in the same angular position each other be assigned.
  • there is a universal applicability to the a variety of workpieces is designed, as well as the property of the workpieces both outside and inside to be able to stretch.
  • An important feature is the Maintaining the clamping and holding force regardless of the processing force, or even in cases of pressure drop.
  • the invention is based on the object a position flexible clamping system so make it independent of the upcoming hydraulic pressure in his Clamping remains and so can be applied to the workpiece that the same size Contact and holding forces act on the workpiece without this in his to influence the given situation and thus adaptable to all tightening requirements is.
  • a cylindrical bore 2 is continuous in the housing 1 admitted.
  • two pistons 4 are used whose stroke the appropriate clamping process is appropriate.
  • the pistons 4 are on both sides outside, each with a pressure chamber 5 and in the middle between the two pistons connected to a pressure chamber 6.
  • Each piston 4 has a recess in the center Shape of a prism 11, in which a keystone 10 is inserted.
  • This keystone 10 is in a longitudinal groove 9 of the housing 1, in such a way that it is the full Hubmony the piston 4 participates.
  • the wedge stone 10 is provided with a driver 12 Mistake.
  • This driver 12 is firmly inserted in a slide 7.
  • the slide 7 are assigned to each piston 4 and are in a guide groove 3 in the housing. 1 guided smoothly.
  • Each slider 7 is associated with a clamping jaws 8, by means of Screwed on the slide stuck. These jaws are interchangeable and adaptable to the circumstances.
  • the two outer pressure chambers 5 are connected to a pressure channel 13.
  • the pressure chamber 6 via the pressure line 14th acted upon and simultaneously relieves the pressure chambers 5.
  • An increase in self-locking can be achieved be that the piston 3 slightly flattened in the lower region of the cylinder bore are. This increases the contact pressure of the pistons in the cylinder chamber when they are jam at the wedge stones.
  • the shape of the wedge stones 10 is adaptable to the circumstances.
  • the shown in Fig. 1 Keel stones 10 have their wedge surfaces at the bottom and one at the top You can also be used rotated by 180 °, so that the Wedge surfaces in the slide and the driver in the piston are effective.
  • the keel stones are provided on both sides with wedge surfaces are. With appropriate design of the slide and piston can be this Then insert keel stones and thus create a double effect.
  • the equipped with change jaws 8 slide 7 leave both an external voltage as well as an internal stress of the workpieces.
  • the Piston 4 drove together at rest.
  • the pushed over the jaws 8 Workpiece is determined by the fact that pressure chamber 6 is applied, which move the pistons 4 apart and the jaws 8 so that at the Inner wall of the workpieces come to the concern.
  • the setting takes place in same way as previously described.
  • the unilaterally open housing 1 allows easy installation of the piston, slide and keel stones. Are piston and slide inserted into the housing, the Keilsteine inserted through a laterally introduced in the housing opening 16 and the Opening closed.
  • This design allows a one-piece housing in which the Guideway for the slide and the cylinder bore incorporated for the piston are.
  • the clamping element can be made variable. In Fig. 2, it is radially shown with three clamping arms and in Fig. 3 with a division in the four Tension arms are in pairs opposite. The principle of tension is that same as before. This radial design is particularly suitable for a Internal tension of the workpieces.
  • Fig. 4 shows an embodiment with two individual elements that work together on a workpiece. These Individual elements can be controlled individually or jointly. For this Either separate hydraulic lines are necessary or a line with appropriate connection between the elements. In both cases it is required to operate the approach to the workpiece controlled.
  • Keel 17 may be provided in these cases with only one wedge surface 18 and it is designed as a rocker at the same time as a driver in the slide effective.
  • the slider 19 is formed here as a wave, as well as he can with a Rectangular cross-section be provided.
  • Fig. 5 an example with mechanical actuation is shown.
  • This Guide channel 21 is in the upper part with laterally introduced T-slots 22nd Mistake.
  • Below these T grooves 22 are in the guide channel 21 two Transport nuts 23 inserted with preferably rectangular cross-section. These Transport nuts 23 have a central bore 24, introduced into the thread are the same direction designed as right-left thread.
  • a continuous threaded spindle 25 with split right-left thread brought in.
  • the clamping operation is initiated by turning the threaded spindle 25 by Both slides with their jaws evenly towards each other or away from each other to be moved. This is recorded on one of the jaws 28 Workpiece causes a uniform clamping pressure, which after both jaws have set the workpiece by the wedging action and the associated Frictional forces between transport nuts and slides maintained so long remains until the connection is released again.
  • Such a mechanical clamping element can also be used for clamping workpieces are used, which are conditional.
  • Fig. 7 such an element is shown.
  • the housing 29 In the housing 29 are two cylindrical bores 30 guided parallel to each other and 31 introduced.
  • two clamping lugs 32, 32 a In bore 31 two clamping lugs 32, 32 a are guided and in Bore 30, two transport nuts 33 are inserted, which with a threaded spindle 34 are connected.
  • This threaded spindle has a right-left thread, according to the internal threads of the transport nuts.
  • Each cock nose 32,32a is firmly connected to a round head 35, 36.
  • the round head 36 has a jaw-shaped approach 37.
  • the round heads are over a given Area provided with a wedge surface 38.
  • wedge surfaces 38 find their Counterparts in the wedge slopes 39, which are associated with the transport nuts 33.
  • the clamping nose 32 a is designed to be pivotable, so that their clamping jaw part 37 to 90 ° is pivotable.
  • the clamping stroke is kept relatively large and is made by the workpiece usually only partly used.
  • length-specific fittings 40 is made the distance between two round heads 32,32a changeable. This up the respective workpiece-related fitting 40 is unilaterally with the round head 35th firmly connected.
  • the evenly building up clamping force causes over the Wedge surfaces and wedge slopes also a uniform jamming of the Transport nuts and the clamping lugs in their guides and the same Clamping and holding forces on the workpiece.
  • the clamping lugs 32,32a are moved and depending on the spindle rotation on each other or moved away from each other.
  • the Workpiece 15 is inserted between the round head 35 and fitting 40 and through the Spindle movement fixed. Over the wedge surfaces 38 and wedge slopes 39 The round heads jam against the transport nuts and set the system firmly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP02102023A 2001-07-19 2002-07-11 Elément pour serrer des pièces à travailler avec position de serrage flexible Expired - Lifetime EP1277547B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10135281A DE10135281A1 (de) 2001-07-19 2001-07-19 Spannelement zum positionsflexiblen Spannen von Werkstücken
DE10135281 2001-07-19

Publications (2)

Publication Number Publication Date
EP1277547A1 true EP1277547A1 (fr) 2003-01-22
EP1277547B1 EP1277547B1 (fr) 2004-11-03

Family

ID=7692421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02102023A Expired - Lifetime EP1277547B1 (fr) 2001-07-19 2002-07-11 Elément pour serrer des pièces à travailler avec position de serrage flexible

Country Status (4)

Country Link
EP (1) EP1277547B1 (fr)
AT (1) ATE281279T1 (fr)
DE (2) DE10135281A1 (fr)
ES (1) ES2231651T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1990135A1 (fr) * 2007-05-11 2008-11-12 Homag Holzbearbeitungssysteme AG Dispositif de serrage de pièce
CN110238460A (zh) * 2019-06-29 2019-09-17 浙江安企兴电气有限公司 穿线盒的小攻丝设备
EP3680066A4 (fr) * 2017-09-08 2021-06-02 Autel Intelligent Technology Corp. Ltd. Dispositif de serrage de moyeu
CN114102368A (zh) * 2021-12-10 2022-03-01 三门技师学院 一种智能锁生产用壳体定位机构及打磨装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113732767B (zh) * 2021-09-03 2022-12-13 深圳市傲顺精密科技有限公司 定位机构、夹具装置及加工设备

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329942C1 (de) * 1983-08-19 1984-09-20 Albert Meywald Kg, 3548 Arolsen Spannvorrichtung für insbes. spanabhebend zu bearbeitende Werkstücke
US4569509A (en) * 1984-04-02 1986-02-11 Johann Good Vise, particularly a machine vise
US5060958A (en) * 1990-04-09 1991-10-29 Roemheld Gmbh Power drive and transmission unit for self centering clamps and chucks
DE9208418U1 (fr) * 1992-06-24 1992-09-10 Kirst, Rudi, 4018 Langenfeld, De
DE4135490C1 (en) * 1991-10-28 1993-01-14 Sma Sondermaschinen- Und Werkzeugbau Haldensleben Gmbh, O-3240 Haldensleben, De Hydraulic tool or workpiece chuck, or support - has holding piston rod axially slidable in clamping piston centre bore
WO1994011156A1 (fr) * 1992-11-17 1994-05-26 Aasander Staffan Dispositif de serrage
DE4314629A1 (de) * 1993-05-04 1994-11-10 Erowa Ag Einrichtung zum positionsdefinierten Aufspannen eines Werkstücks am Arbeitsplatz einer Bearbeitungsmaschine
DE19717467A1 (de) * 1996-04-26 1998-04-23 Kohn Spannwerkzeuge Mechanisch Spannstock
DE19845576A1 (de) * 1998-06-30 2000-01-05 Hico Himmel & Co Kg Vorrichtung zum zentrierten Spannen von Werkstücken oder dergleichen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329942C1 (de) * 1983-08-19 1984-09-20 Albert Meywald Kg, 3548 Arolsen Spannvorrichtung für insbes. spanabhebend zu bearbeitende Werkstücke
US4569509A (en) * 1984-04-02 1986-02-11 Johann Good Vise, particularly a machine vise
US5060958A (en) * 1990-04-09 1991-10-29 Roemheld Gmbh Power drive and transmission unit for self centering clamps and chucks
DE4135490C1 (en) * 1991-10-28 1993-01-14 Sma Sondermaschinen- Und Werkzeugbau Haldensleben Gmbh, O-3240 Haldensleben, De Hydraulic tool or workpiece chuck, or support - has holding piston rod axially slidable in clamping piston centre bore
DE9208418U1 (fr) * 1992-06-24 1992-09-10 Kirst, Rudi, 4018 Langenfeld, De
WO1994011156A1 (fr) * 1992-11-17 1994-05-26 Aasander Staffan Dispositif de serrage
DE4314629A1 (de) * 1993-05-04 1994-11-10 Erowa Ag Einrichtung zum positionsdefinierten Aufspannen eines Werkstücks am Arbeitsplatz einer Bearbeitungsmaschine
DE19717467A1 (de) * 1996-04-26 1998-04-23 Kohn Spannwerkzeuge Mechanisch Spannstock
DE19845576A1 (de) * 1998-06-30 2000-01-05 Hico Himmel & Co Kg Vorrichtung zum zentrierten Spannen von Werkstücken oder dergleichen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1990135A1 (fr) * 2007-05-11 2008-11-12 Homag Holzbearbeitungssysteme AG Dispositif de serrage de pièce
EP3680066A4 (fr) * 2017-09-08 2021-06-02 Autel Intelligent Technology Corp. Ltd. Dispositif de serrage de moyeu
US11279010B2 (en) 2017-09-08 2022-03-22 Autel Intelligent Technology Corp., Ltd. Hub holding apparatus
CN110238460A (zh) * 2019-06-29 2019-09-17 浙江安企兴电气有限公司 穿线盒的小攻丝设备
CN110238460B (zh) * 2019-06-29 2024-04-12 浙江安企兴电气有限公司 穿线盒的小攻丝设备
CN114102368A (zh) * 2021-12-10 2022-03-01 三门技师学院 一种智能锁生产用壳体定位机构及打磨装置

Also Published As

Publication number Publication date
ES2231651T3 (es) 2005-05-16
ATE281279T1 (de) 2004-11-15
DE50201438D1 (de) 2004-12-09
EP1277547B1 (fr) 2004-11-03
DE10135281A1 (de) 2003-02-06

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