EP1153711B1 - Moyens de serrage - Google Patents

Moyens de serrage Download PDF

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Publication number
EP1153711B1
EP1153711B1 EP01110793A EP01110793A EP1153711B1 EP 1153711 B1 EP1153711 B1 EP 1153711B1 EP 01110793 A EP01110793 A EP 01110793A EP 01110793 A EP01110793 A EP 01110793A EP 1153711 B1 EP1153711 B1 EP 1153711B1
Authority
EP
European Patent Office
Prior art keywords
carriage
guide channel
bed
clamping device
toothings
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 - Lifetime
Application number
EP01110793A
Other languages
German (de)
English (en)
Other versions
EP1153711A2 (fr
EP1153711A3 (fr
Inventor
Fridolin Mörz
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.)
Haff and Schneider GmbH and Co OHG
Original Assignee
Haff and Schneider GmbH and Co OHG
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 Haff and Schneider GmbH and Co OHG filed Critical Haff and Schneider GmbH and Co OHG
Publication of EP1153711A2 publication Critical patent/EP1153711A2/fr
Publication of EP1153711A3 publication Critical patent/EP1153711A3/fr
Application granted granted Critical
Publication of EP1153711B1 publication Critical patent/EP1153711B1/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
    • B25B1/2478—Construction of the jaws with more than one pair of jaws
    • 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
    • B25B1/2494—Means indicating the distance between jaws or their angular position

Definitions

  • the invention relates to a clamping device for clamping workpieces, especially for machine tools, with a bed that has a longitudinal direction extending guide channel which flanks of lateral bearing surfaces is, and with at least two traversable along the bed and through Holding devices on the bed fixable carriage, each of the Support surfaces associated support elements and one in the guide channel have engaging leadership approach, and at least one of which slidable jaw carries.
  • a clamping device is known from DE 4120002 A.
  • toothing is advantageously able to not only displacement forces, but also to absorb tilting forces, which is a high Positional accuracy and as a result, a high machining accuracy guaranteed. Since the usually unavoidable tipping forces by the Gearing are absorbed, no tilting forces are absorbed Screws needed.
  • the for achieving a reliable meshing provided adjuster can advantageously by only one Screw are actuated. An elongation of this screw is in this Connection of achievable clamping accuracy not detrimental. As a result of Reduction of the means to be operated on a screw of the adjusting device is a very simple, time-saving operation of the invention Device and thus an excellent ease of use guaranteed.
  • Rack and pinion teeth of slide and guide channel are designed so that in the pressed together state tooth head and opposite Tooth gap bottom are spaced apart. This ensures a Reliable edge system and thus a backlash-free mutual Meshing.
  • the rack gears as fine teeth preferably be formed with a pitch of 1-2 mm.
  • the Feinveriereung allows advantageously small steps, which is advantageous to the required operating effort.
  • the Fine toothing comparatively safe against contamination by chips since these can not penetrate into the fine toothing. This also increases the Easy to operate and maintain.
  • the toothed side wall opposite side wall of the guide channel as opposite to the adjacent support surface at an acute angle inclined surface be formed and the hiring provided a sled side, along the inclined surface movable wedge, which by means of a from above accessible screw is actuated.
  • the one cooperating with the wedge Sloping surface results in an advantageous manner a pressing and holding down force.
  • the drawing underlying tensioner includes a through 1 shaped bar shaped profile piece sitting on a table Machine tool or on a table of a machine tool receivable accessory, as on a dividing apparatus, is receivable, as by in a bed-side groove engaging clamping claws 2 is indicated.
  • the bed is 1 with a longitudinally extending, here continuous, groove-shaped Guiding channel 3 provided, which is open at the top.
  • the upper ends of the Guide channel 3 laterally bounding legs 4 of the bed 1 forming Profile piece form the guide channel 3 flanking, planar bearing surfaces 5 for provided with associated, plan support surfaces 6, on the bed 1 recordable Slide 7 or 8 or 11. These are adjustable in the longitudinal direction of the bed 1 and fixable at any desired location.
  • the slides 7, 8, 11 each have a downwardly projecting, in the Guide channel 3 engaging guide projection 12, of two lateral, flanked cantilevered support strips 13 is flanked, the underside of the above mentioned, resting on the bed-side support surfaces 5, plan Support surfaces 6 have.
  • a side wall of the guide channel 3 with a rack toothing 14th provided, that is, the teeth of the toothing are in the longitudinal direction of the bed. 3 arranged parallel to each other.
  • the respectively facing side of the Guidance approach 12 of the carriage 7, 8, 11 is with a corresponding, also provided as a rack toothing 14 formed counter teeth, the with the bed-side rack toothing 14 in positive holding engagement can be brought.
  • the standing arrangement of the bed and carriage side Rack and pinion 14 allows a secure against shifting and tilting Form-fitting.
  • the guide lug 12 has within the guide channel 3 so much game that the Bed and carriage side rack gears 14 in and out brought mutual engagement and the carriage 7, 8, 11 at disengaged brought teeth can be moved.
  • the bed and slide-side rack toothing 14 are dimensioned so that at mutual meshing results in a reliable edge system. For this is the Sizing so that in the engaged state between the tooth head and opposite tooth gap base remains a distance.
  • the rack gears 14 are formed as fine gears.
  • a Tooth pitch of 1 - 2 mm and accordingly a tooth density of 5 - 10 Teeth per centimeter has proven to be useful.
  • the toothed Areas are suitably hardened. This can be done by nitration or partial Hardening of the toothed areas or by hardening the whole, one Gear teeth containing components take place.
  • the bed and carriage side rack toothing 14 are useful as Geradveriereept formed, which ensures easy production, although a helical gearing would be conceivable.
  • a Helical teeth are the teeth appropriately inclined so that they are in Decrease clamping direction, resulting in a hold-down effect.
  • the toothed Side wall of the guide channel 3 runs in the example shown under a right angle to the adjacent bearing surface 5 down, causing the production facilitated.
  • the support surface 5 toothing side so too undercut that the toothed side wall of the guide channel 3 with the adjacent bearing surface 5 includes an acute angle. This is ensures that the carriage 7, 8, 11 with their support surfaces 6 reliably the bed-side bearing surfaces 5 are pressed when the said bed and slide-side rack gears 14 in mutual engagement to be brought.
  • the carriages 7, 8, 11 are each with one of the inclined surface 15 facing, movable up and down wedge 16 provided, the movable with its Keilf kaue 17 along the inclined surface 15 is.
  • the wedge 16 is expedient in vertical, that is in the support surface. 5 Guided vertically, as in the example shown by a guide 18 is indicated.
  • the wedge 16 is provided with a threaded hole into which one with a top accessible, on the associated carriage 7, 8, 11 supported head 19th provided screw 20 engages through which the wedge 16 is raised or can be lowered.
  • This lifting movement is due to the inclined surface 15 in implemented transversely directed to the lifting movement adjusting movement, by which the bed and carriage side rack gears 14 in and out of engagement can be brought.
  • a hold-down force results which the slides 7, 8, 11 with their support surfaces 6 to the bed side Support surfaces 5 are pressed.
  • the attached to the carriage 7, 8, 11 jaws in the form of the stop jaw. 9 or clamping jaw 10 are formed as a change jaws, in adaptation to configures the configuration of the workpiece to be clamped respectively can be profiled.
  • the mentioned jaws are suitable Countersunk screws attached to the associated carriage, wherein the associated Backen departmenten recesses as reaching to the lower edge of the jaw Slits 21 may be formed so that the jaws 9 and 10 simply after above deductible or can be used from above.
  • the stop jaw 9 is fixed to the associated carriage.
  • the jaw 10 is relative to the associated stop jaw 9 movable and accordingly on a movably arranged on the associated carriage 8 holder fixable.
  • a suitable means for moving the said holder may be provided with a rear wedge approach this which projects into an associated chamber of the associated carriage and its wedge surface with the wedge surface of one in said chamber provided wedge cooperates by a accessible from above, in the Area of the carriage 8, 11 indicated screw 24 can be actuated.
  • back side a movable wedge and carriage side to provide this associated, molded Keilfphie.

Claims (11)

  1. Dispositif de serrage pour le serrage de pièces à usiner, notamment pour des machines-outil, du type comportant un socle (1) pourvu d'un chemin de guidage (3) qui s'étend dans le sens de la longueur et qui est flanqué de surfaces d'appui (5) latérales et au moins deux chariots (7, 8, 11) mobiles en déplacement le long du socle (1) et aptes à être fixés sur le socle (1) par des organes de retenue, lesdits chariots comportant des éléments de soutien associés chacun à une surface d'appui (5) respective et un élément de guidage rapporté (12) s'engageant dans le chemin de guidage (3), l'un d'eux au moins portant un mors de serrage (10) mobile en coulissement, caractérisé en ce qu'une paroi latérale du chemin de guidage (3) et le flanc de l'élément de guidage rapporté (12) des chariots lui faisant face sont munis de dentures en crémaillère (14) associées les unes aux autres et qu'est prévu, au niveau du flanc de l'élément de guidage rapporté (12) de chaque chariot situé en regard du flanc denté, un organe de réglage apte à être actionné par une vis (20) et servant à serrer l'élément de guidage rapporté (12) par rapport au chemin de guidage (3), ledit élément de guidage présentant, lorsque l'organe de réglage est desserré, un jeu par rapport au chemin de guidage (3) qui correspond au moins à la profondeur d'engagement des dentures en crémaillère (14), les dentures en crémaillère (14) du chemin de guidage (3) et des chariots (7, 8, 11) se faisant face étant adaptées pour se mettre en prise les unes avec les autres.
  2. Dispositif de serrage selon la revendication 1, caractérisé en ce que les dentures en crémaillère (14) sont conformées en forme de denture droite.
  3. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi latérale dentée du chemin de guidage (3) est au plus perpendiculaire à la surface d'appui (5) voisine, mais forme de préférence un angle aigu par rapport à celle-ci.
  4. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que les dentures en crémaillère (14) des chariots (7, 8, 11) et du chemin de guidage (3) sont conformées de manière à ce que, lorsqu'elles sont plaquées les unes contre les autres, la tête d'une dent et le fond de dent situé en regard sont espacés.
  5. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que les dentures en crémaillère (14) sont conformées en forme de denture fine, de préférence avec un pas de 1 - 2 mm.
  6. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que les dentures en crémaillère (14) sont trempées.
  7. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi latérale du chemin de guidage (3) située en regard de la paroi latérale dentée est conformée en forme de surface inclinée (15) formant un angle aigu par rapport à la surface d'appui (5) voisine et que l'organe de réglage comporte, sur le côté tourné vers le chariot, un coin (16) qui est mobile en déplacement le long de la surface inclinée (15) et qui est apte à être actionné au moyen d'une vis (20) accessible par le haut.
  8. Dispositif de serrage selon la revendication 7, caractérisé en ce que le coin (16) est guidé du côté du chariot.
  9. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un coin rapporté faisant saillie vers l'intérieur du chariot (8) correspondant est associé au mors de serrage (10), la surface inclinée dudit coin rapporté coopérant avec un coin qui est disposé dans le chariot (8) et qui est apte à être actionné par une vis (24) accessible par le haut.
  10. Dispositif de serrage selon l'une quelconque des revendications précédentes, caractérisé en ce que les mors disposés du côté du chariot sont conformés en forme de mors interchangeables qui sont aptes à être fixés au chariot (7, 8, 11) qui leur est associé par des vis auxquelles sont associées des fentes (21) prévues sur le côté des mors.
  11. Dispositif de serrage pour le serrage de pièces à usiner, du type comportant un socle (1) comportant un chemin de guidage (3) qui s'étend dans le sens de la longueur et qui est flanqué de surfaces d'appui (5) latérales et au moins deux chariots (7, 8, 11) mobiles en déplacement le long du socle (1) et aptes à être fixés sur le socle (1) par des organes de retenue, l'un des chariots au moins portant un mors de serrage (10) mobile en coulissement, une paroi latérale du chemin de guidage (3) et le flanc de l'élément de guidage rapporté (12) des chariots (7, 8, 11) lui faisant face étant munis de dentures en crémaillère (14) associées les unes aux autres, conformées en forme de dentures droites et servant à supporter les efforts longitudinaux et de basculement agissant sur les chariots (7, 8, 11) du côté du socle, un organe de réglage étant prévu au niveau du flanc de l'élément de guidage rapporté (12) de chaque chariot situé en regard du flanc denté, ledit organe de réglage comportant un coin (16) qui est apte à être actionné par une vis (20) accessible par le haut et qui coopère avec une surface inclinée (15) formant un angle aigu avec la surface d'appui (5) voisine et située du côté du chemin de guidage , ladite surface d'appui servant à serrer l'élément de guidage rapporté (12) par rapport au chemin de guidage (3), les flancs opposés des dentures en crémaillère (14) respectives situées en regard venant en appui les uns contre les autres sans jeu, chaque chariot étant mobile en déplacement le long du socle (1) lorsque l'organe de réglage est desserré, l'élément de guidage rapporté (12) présentant par rapport au chemin de guidage (3) un jeu qui correspond au moins à la profondeur d'engagement des dentures en crémaillère (14).
EP01110793A 2000-05-13 2001-05-04 Moyens de serrage Expired - Lifetime EP1153711B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20008648U 2000-05-13
DE20008648U DE20008648U1 (de) 2000-05-13 2000-05-13 Spannvorrichtung

Publications (3)

Publication Number Publication Date
EP1153711A2 EP1153711A2 (fr) 2001-11-14
EP1153711A3 EP1153711A3 (fr) 2002-07-10
EP1153711B1 true EP1153711B1 (fr) 2005-07-27

Family

ID=7941488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110793A Expired - Lifetime EP1153711B1 (fr) 2000-05-13 2001-05-04 Moyens de serrage

Country Status (3)

Country Link
EP (1) EP1153711B1 (fr)
AT (1) ATE300395T1 (fr)
DE (2) DE20008648U1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10302255A1 (de) * 2003-01-22 2004-08-05 Gressel Ag Mehrfachspanner
CH697684B1 (de) * 2005-09-13 2009-01-15 Triag Mehrfachspannvorrichtung für eine spanabhebende Bearbeitungsmaschine.
DE102010037547A1 (de) * 2010-09-15 2012-03-15 Klaus Hofmann Spannsystem
CN102145370A (zh) * 2011-05-02 2011-08-10 苏州工业园区高登威科技有限公司 滑轨式夹紧装置
CN103158020A (zh) * 2012-11-20 2013-06-19 苏州工业园区高登威科技有限公司 夹紧装置
CN103692480A (zh) * 2013-12-18 2014-04-02 周佩龙 一种模切机的模版快夹
CN104209307B (zh) * 2014-08-21 2016-06-29 江苏港星方能超声洗净科技有限公司 机器人零件清洗机用零件夹具
CN104209306B (zh) * 2014-08-21 2017-01-11 江苏港星方能超声洗净科技有限公司 机器人清洗机用工件夹具
CN104259890B (zh) * 2014-09-28 2016-06-15 国家电网公司 一种多功能高精准工装夹具
CN104476461A (zh) * 2014-12-12 2015-04-01 中国扬子集团滁州扬子空调器有限公司 一种空调电加热器件预装工具
CN107486797A (zh) * 2017-09-27 2017-12-19 如皋市祥强机械设备有限公司 一种应用于模具加工中的夹持机构
CN108098913A (zh) * 2017-12-15 2018-06-01 芜湖蓝天工程塑胶有限公司 用于双层中空塑胶管的钻具
CN108081366A (zh) * 2017-12-15 2018-05-29 芜湖蓝天工程塑胶有限公司 用于双层中空塑胶管的钻具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE452886A (fr) *
DE1247228B (de) * 1961-08-19 1967-08-10 Maschf Augsburg Nuernberg Ag Schraubstock fuer Werkzeugmaschinen
DE1297058B (de) * 1962-08-23 1969-06-04 Fiege Heinz Praezisions-Maschinenschraubstock
JPH0624707B2 (ja) * 1990-06-19 1994-04-06 光男 泉 バイス
FR2689429B1 (fr) * 1992-04-06 1997-03-28 Evard Precision Sa Etau de serrage modulaire.
US5324013A (en) * 1993-01-05 1994-06-28 Marino Michael L Clamping mechanism

Also Published As

Publication number Publication date
ATE300395T1 (de) 2005-08-15
DE20008648U1 (de) 2000-09-21
EP1153711A2 (fr) 2001-11-14
DE50106855D1 (de) 2005-09-01
EP1153711A3 (fr) 2002-07-10

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