EP0824054A1 - Table de serrage - Google Patents

Table de serrage Download PDF

Info

Publication number
EP0824054A1
EP0824054A1 EP97113649A EP97113649A EP0824054A1 EP 0824054 A1 EP0824054 A1 EP 0824054A1 EP 97113649 A EP97113649 A EP 97113649A EP 97113649 A EP97113649 A EP 97113649A EP 0824054 A1 EP0824054 A1 EP 0824054A1
Authority
EP
European Patent Office
Prior art keywords
clamping
support frame
legs
clamping table
table according
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.)
Withdrawn
Application number
EP97113649A
Other languages
German (de)
English (en)
Inventor
Zbigniew Noniewicz
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.)
Wolfcraft GmbH
Original Assignee
Wolfcraft 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 Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP0824054A1 publication Critical patent/EP0824054A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
    • B25H1/04—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type portable

Definitions

  • the invention relates to a clamping table with two of a support frame carried jaws, of which at least one on two formed by the support frame, side rails is slidable, with two pairs Standing legs at an acute angle to one another, whose Spread a rectangular footprint with each one firmly connected to the spar in the middle of the spar Support head, on which the legs by means of a clamp connection are hinged collapsible, the support frame is clamped in its horizontal position and by one, spaced from the articulation point the horizontal position is pivotable.
  • clamping tables are in different embodiments known and are primarily for the home improvement certainly.
  • US 4,909,491 there is a clamping table described, which is a support frame of two has parallel spars. On these are supported by two clamping jaws, one clamping jaw on the spars by means of a crank drive is movable.
  • Each spar is about in the middle a support head attached to its longitudinal extension, which extends downwards from the spar and for steering a pair at an acute angle to each other standing legs aligned parallel to each other Vertical slots for the passage of hinge pins having.
  • These hinge pins penetrate the support head and the upper end portions of the legs, one Fixing the legs in the working position Both glen bolts are clamped.
  • each support head has an arch slot for interaction with one of the hinge pins.
  • This is the Possibility given by loosening both clamp connections the support frame according to the length of the Swivel arch slot.
  • the mainstay is the hinge point of the support frame.
  • the pivoting range of the support frame is limited by knocking it on the legs.
  • the swivel angle is approx. 75 °. To pivot the support frame, all the Locking of the legs causing clamping connections be solved. The entire clamping table is therefore unstable during the pivoting of the support frame.
  • each support head is designed as a joint is, with two articulated parts pivotable about the articulation point, being a first joint part fixed to the spar and a second joint part by means of the releasable clamp connection attached to the legs is such that when loosened Clamping the support frame the angular position the legs remain locked, and being the hinge point at a distance below the spar is such that the support frame can be brought into a vertical position, in which the jaws above the vertical projection of the stand area.
  • each of a mainstay of a pair of legs one with a snap-in threshold provided recessed recess is formed, in which a Support head or fixedly arranged in the second joint part Locking bolt when the clamping table is open snaps into place, why such a leg at its articulation point by a distance at least equal to the height of the Locking threshold is, is mounted for longitudinal displacement.
  • This leg is by means of a detachable, supporting head or articulated part side clamping device, for.
  • B. means a clamping lever, lockable so that when released Clamping device only by carefully lifting the support frame the latch is releasable.
  • the two pillars a pair are connected by a coupling rod connected.
  • the clamping takes place for securing the unfolded position only, related to a support head, in the area of a supporting leg, a related clamping bolt also the pivot axis of the mainstay assigned to it. That this Main pillar opposite, on the same support head or Articulated part of the standing leg is only about a pin on the support head or second joint part articulated. This hinge pin forms at the same time the pivot point of the support frame. This has the advantageous effect of component minimization, because in such a preferred embodiment of the second, not stand which can be locked by means of a clamping device and the first, fixed to the spar or to the support frame connected joint part of the support head around the same hinge pin are pivotable.
  • the clamp fixation of the Support frame can be fixed in the area with this connected first joint part by means of the same Clamping device as for fixing the first mainstay respectively.
  • the support frame can be brought into a vertical position, the distance between the pivot point and the spar is selected so that in the vertical position the jaws above, in one Vertical projection within the stand area.
  • Training of the Support frame preferred, in which the projection surface of the support frame locked in the horizontal position likewise within the right angle between the feet stand area. It is therefore a Specified clamping table, which in each position of the Support frame even when loosening the clamp fixation Swiveling the support frame ensures high stability having.
  • a clamping member engages in an arch slot guide.
  • the clamping fixation takes place here in an overlap area of the two joint parts.
  • a clamping member is used Fixing the support frame in the horizontal position or in the pivoted position, preferably in the vertical position, in an arch slot guide, which according to the Pivotal path of the support frame is formed.
  • the arrangement of the clamp fixation is also the Arch slot essentially, especially in the horizontal position, above the articulation point of the as a joint trained support head.
  • clamping member be spaced and is arranged separately from the clamp connection.
  • lock the legs in the open Position and for locking the support frame in the desired location provided two separate clamp connections.
  • the clamp fixation the support frame can, for example, by means of a conventional clamping lever take place, the two when clamping Joint parts like a one-piece, rigid support head Act.
  • the clamping fixation of the support frame continues to exist, so that the latter in the folded position in a predefined Position, preferably in a parallel to the legs aligned location, remains.
  • the stability the clamping table is further increased in that loosened clamp connection the legs only by their Longitudinal displacement can be brought out of the locking position are.
  • at least one The leg leaves the end of this leg Snap-in threshold on the support head or joint part side Locking bolt, after which a pivoting of the Legs in the folded position of the clamping table can be done.
  • the snap-in threshold having leg one of those as another Traversed trained hinge pin Elongated hole, which is a longitudinal displacement of the leg by a distance that is at least equal to the rest height of the Snap-in threshold is made possible.
  • the arch slot extends over a length of Extends 135 °. It is further proposed that the arch slot assigned to the second joint part is. Specifically, this means that the arch slot in unfolded and secured position of the clamping table in the attached to the legs and thus fixed Joint part is formed.
  • the first one with the hinge part firmly connected to the support frame pivots the hinge point formed in the first hinge part, always being held in the first joint part Clamping member engages in the arch slot, with which the Support frame safely guided in the course of the pivoting is.
  • the arch slot is in the form of a circular segment, formed coaxially to the hinge point.
  • the arch slot is preferably closed in the two end regions.
  • the support frame in both directions can be swiveled out of the horizontal position is. So training is preferred, at which of the trams, based on the horizontal position, in one direction by 90 ° to the vertical position and swiveled in the other direction by 45 ° can.
  • Secure the horizontal position of the support frame is to be found is a recess provided in the arch slot for the entry of the clamping member in the horizontal position educated.
  • the support frame is thus in the Horizontal position not only by means of the clamping element clamped, but also by engagement of the clamping member locked in the recess of the arch slot, with a pivoting of the support frame from the horizontal position out only with emphasis on repeal of the Locking is possible.
  • the recess preferably points towards the articulation point, d. H. preferably in the vertical direction.
  • the clamp is in the horizontal position of the support frame in this locking recess, which locking recess preferred has an opening width which is approximately that Corresponds to the diameter of the clamping bolt.
  • the subject of the invention is provided that the Legs in the vertical position of the support frame of end sections the spars are applied.
  • This support the spars on the legs can in addition to Swiveling end position fixation in the area of the arch slot end respectively.
  • This Locking bolt serves, as already mentioned, the Locking one leg of each pair of legs, by inserting the locking bolt into a snap-in threshold this leg engages. Because that on the support frame attached first joint part in the course of a pivoting of the support frame in the area of this locking bolt or immerses its mounting head, that is first joint part with a correspondingly shaped one Provide free cut. It is also contemplated that the second hinge part a U-shaped receiving pocket for forms the end portions of the legs. The second The joint part thus forms two mutually parallel, equally designed mounting plates, in which are each trained as described Arch slot is formed.
  • the end sections of the legs are included, the hinge pin of one leg, the one Clamping bolts of the lockable other leg and the locking bolt that causes the locking held in the two mounting plates are enforcing the pocket and the end portions of the legs received therein.
  • the first joint part is U-shaped and the second joint part with the U-legs overlaid.
  • the clamping bolt for fixing the Support frame is in the two U-legs of the first joint part held and penetrated the second Joint part in the area of its arch slots.
  • the hinge pin of Articulated connection passes through the end portion of a leg, around which hinge pin the second hinge part pivots when folded.
  • the hinge pin an elongated hole of the first hinge part enforced. This is preferred in the opened Position of the clamping table vertically aligned Elongated hole gives the possibility of vertical displacement of the support frame after loosening the clamp fixation the clamping member from the locking recess for fixing the Horizontal position in the area of the arch slot too move. After this, the support frame can be pivoted be performed.
  • a clamping table 1 with two of a support frame 2nd worn jaws 3, 4, of which the jaw 3 in a known manner via two operable by hand crank 5 Spindle drives along, formed by the support frame 2, lateral bars 6 and 7 is slidable.
  • the two bars 6 and 7 are on their, the hand cranks 5 opposite ends through an L-shaped cross member 8 connected to each other.
  • the two longitudinal spars 6 and 7 point downwards open U-profile with a back leg 9. Im The area of the longitudinal center is below each spar 6, 7 a support head 11 designed as a joint 10 is arranged.
  • Each, forming a support head 11 joint 10 sets composed of two joint parts, one joint part 12 assigned to the respective spar 6 or 7 and is firmly connected to this.
  • the first is Joint part 12 U-shaped and with its back leg 13 on the back leg 9 of each Holmes 6 or 7 screwed on.
  • the two of the bars 6, 7 point down U-legs 14 of the first joint part 12 have in essential, with reference to FIG. 1, at least in the the spars 6, 7 projecting area, a triangular shape with a vertically downward pointing rounded tip 15. In the area of this tip 15 is one, in the opened working position of the clamping table 1 vertically aligned slot 16 trained.
  • the second joint part 17 is composed of two congruent mounting plates 18, which by the U-leg 14 overlap the first joint part 12 with parallel alignment of mounting plates 18 and U-legs 14.
  • the two joint parts form the joint 10 12 and 17 can be pivoted about an articulation point 19.
  • the two mounting plates 18 of the second joint part 12 form a substantially U-shaped receiving pocket 22 in which the upper ends of two in the unfolded position shown in FIG. 1 at an acute angle to each other standing legs 23, 24 included are.
  • the clamping table 1 is assigned to each spar 6 and 7 each a pair with the respective joint 10 connected legs 23, 24, the feet 25, 26 span a rectangular footprint.
  • the leg 23 is at its upper end in the area of the second hinge part 17 pivotable about the hinge pin 20 stored, to form a pivot point 35th
  • This Hinge pin 20 thus forms both the pivot axis for the leg 23 as well as for the first joint part 12th
  • the leg 24 is at one of the articulation points 35 of the leg 23 lower articulation point 36 by a second Hinge pin 27 pivotally mounted.
  • the legs 23, 24 each have a U-profile and lie with the open side of their U-profile across from.
  • the hinge pins 20, 27 each penetrate both side legs of the legs 23, 24, the hinge pin 20 from an adapted, round bearing bore 28 of the leg 23 is received while the second hinge pin 27 taken from an elongated hole 29 of the leg 24 , the longitudinal axis of the elongated hole 29 extends in the longitudinal direction of the leg 24.
  • Both legs 23, 24 have one over the respective articulation point protruding extension 30 on the upper end a locking trough provided with a locking threshold 31 32 is formed. In the embodiment shown however, only the recess 32 of the leg comes 24 to effect. With the clamping table fully opened 1 acc. To Fig. 1, a locking bolt 33 enters Locking recess 32 engages which locking bolt 33 is rigidly supported in the two mounting plates 18.
  • both legs are 23, 24 identical for reasons of rationalization formed, however, the bearing bore 20 of the leg 24 and the slot 29, the locking trough 32 and the Locking threshold 31 of the leg 23 are not used.
  • the two legs 23, 24 are at one of articulation points 37 and 38 connected coupling rod 34 connected to one another, the four between the articulation points 35 up to 38 lying parts or leg sections a quadrilateral joint represent, but because of the slot 29 has an additional degree of movement / freedom.
  • This slot 29 enables longitudinal displacement of leg 24 by a distance that is at least corresponds to the latching height of the latching threshold 31 (cf. FIGS. 9 and 10).
  • a clamping lever 39 stored, for example with a ramp, not shown in the opened position according to FIG. 1 pivoted onto the outside of the outer mounting plate 18 is.
  • the two become the second Joint part 17 forming mounting plates 18 under tight Clamping the leg 24 contracted and thus the leg 24 and consequently the entire quadrangle in locked in the open position.
  • Such clamping levers 39 are state of the art and are accordingly not explained in detail here.
  • a rotary handle Clamping nut can be provided, which with a Threaded end of the pivot pin 27 screwed is.
  • the second joint part 17 essentially has one above the hinge point 19 or the hinge pin 20 arranged arch slot guide 40. This is formed by provided in both mounting plates 18 Arch slits 41, whose geometric center is arranged coaxially to the hinge point 19.
  • the the Arc slot guide 40 extending arc slots 41 extend section of a circle over an angle Alpha of 135 °, with the orientation chosen so that starting from a perpendicular above the hinge point 19 center position formed each arch slot in Direction towards the lockable articulation point 36 between Leg 24 and second joint part 17 over an angle Alpha 'of 45 ° and in the opposite direction, from this center position over an angle Alpha '' extends from 90 ° (see Fig. 3).
  • the arc slots 41 are closed at the ends.
  • the Slot ends are provided with the reference numbers 42 and 43.
  • the radial opening width of the arc slots 41 is Adapted diameter of a bolt-like clamping member 44, which in the U-legs 14 of the first joint part 12 is supported at the end.
  • This clamping member 44th penetrates the second joint part 17 in the area of the mounting plate-side arch slots 41.
  • a clamping lever 47 is mounted, which also, for example, with a ramp, not shown pivoted onto the outside of the inner U-leg 14 is and the two U-legs 14 of the first joint part 12 under tight clamping of the Mounting plates 18 contracts. This is one Clamping the around the hinge pin 20 with the first Given joint part 12 connected support frame 2.
  • the clamping member 44 encompassing spacer 45 used.
  • the radius of the arch slot guide 40 measured from Pivot point 19 up to a concentric to this extending arc axis x corresponds essentially the distance between pivot point 19 and the locking bolt 33, with which the latter in an imaginary Extension of the arc slots 41 in the mounting plates 18 is supported. Furthermore, the arrangement is chosen so that a body axis y of the leg 24 in an extension beyond the leg extension 30 tangentially one also extended across the slot end 42 Arc axis x connects.
  • each detent recess 46 is provided and assigned the inner edge of the respective arch slot in the radial direction 41.
  • These recesses 46 are related according to the opened position of the clamping table 1 1, at the apex of the arch slot guide 40 arranged, d. H. at a distance perpendicular to the hinge point 19.
  • the bolt-like occurs in these recesses 46 Clamping member 44 in the horizontal position of the support frame 2 a.
  • the support frame 2 is about the clamping member 44 bearing first joint part 12 from this position not pivotable out because the bolt-like Clamping member 44 in a form-fitting manner in the locking recesses 46 the arch slot guide 40 lies (see FIG. 3).
  • the pivoting of the support frame 2 can in one, in the direction of the leg 23 take place up to 90 °, the end position, d. H. the 5 and 6, by a Stop limit is predefined. This stop limit can through the slot end 43 of the arch slot guide 40 be given.
  • the legs 23 are in this vertical position from, the cross member 8 facing end portions the spars 6 and 7 acted on (see Fig. 6).
  • the support frame 2 is supported in this 90 ° position on the legs 23, which the on the support frame 2 acting forces directly and in the simplest way initiated in the legs 23 and derived via this will. 5, in particular, that in the vertical position of the support frame this and the jaws 3 and 4 carried by this above the vertical projection of the between the feet 25, 26 stretched stand area, with which a high stability of the clamping table 1 in this position of the support frame 2 still exists.
  • Three positions of the support frame 2 are thus predefined. Both the vertical and the 45 ° position are stroke-limited, with the stop limits in the factory are chosen so that they are used frequently Positions exactly without reading a graphical graduation or the like can be found.
  • the horizontal position is also locked, this by entering the clamping member 44 into the recess 46 of the arch slot guide 40.
  • These three predefined Positions can be achieved by means of the clamping member 44 and the clamping lever 47 supported thereon be clamped. Every intermediate position is also further lockable.
  • the support frame 2 at its lower end, d. H. on which the cross beam 8 end, raised and pivoted upward, until the locking bolts 33 into the locking troughs 32 snap back in, which already opens the position is pre-fixed.
  • the clamping lever back 39 By swiveling the clamping lever back 39, the opened clamping table 1 becomes final locked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Arc Welding In General (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vehicle Body Suspensions (AREA)
EP97113649A 1996-08-14 1997-08-07 Table de serrage Withdrawn EP0824054A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29614093U DE29614093U1 (de) 1996-08-14 1996-08-14 Spanntisch
DE29614093U 1996-08-14

Publications (1)

Publication Number Publication Date
EP0824054A1 true EP0824054A1 (fr) 1998-02-18

Family

ID=8027835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113649A Withdrawn EP0824054A1 (fr) 1996-08-14 1997-08-07 Table de serrage

Country Status (2)

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EP (1) EP0824054A1 (fr)
DE (1) DE29614093U1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359513A (en) * 2000-02-24 2001-08-29 Rotaclamp Workct Ltd Workpiece support device with angularly adjustable support member
GB2389557A (en) * 2002-05-15 2003-12-17 Huei-Yu Chang Foldable workbench
GB2393924A (en) * 2002-09-25 2004-04-14 Huang Mo Hsieh Turning device for a workbench
EP2161110A1 (fr) * 2006-06-12 2010-03-10 Metabowerke Gmbh Montant de machine
CN103009359A (zh) * 2012-12-01 2013-04-03 谢翠斌 折叠式升降工作台
AT515567A1 (de) * 2014-03-25 2015-10-15 Scheuch Gmbh Arbeitstisch, insbesondere Schleiftisch
CN108747642A (zh) * 2018-06-19 2018-11-06 许昌商通实业有限公司 一种角度可调节的机械加工用打磨装置
CN111572979A (zh) * 2020-05-20 2020-08-25 龙岩市鹰飞工业设计有限公司 一种集成电路用电路板的防护装置
CN114055518A (zh) * 2021-12-07 2022-02-18 江苏汇博机器人技术股份有限公司 一种用于机器人部件装配用工装
CN117103171A (zh) * 2023-08-15 2023-11-24 辽沈工业集团有限公司 纵向装配与横向装配转换工装

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* Cited by examiner, † Cited by third party
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DE202017103998U1 (de) 2017-07-04 2017-09-11 Carsten Schröder Klemmtisch
CN115070409B (zh) * 2022-06-10 2024-04-05 中国航空工业集团公司北京航空精密机械研究所 一种四自由度调整机构
CN118544321A (zh) * 2024-07-29 2024-08-27 深圳市康凌源科技有限公司 一种手机触摸屏生产用测试装置
CN120023786B (zh) * 2025-04-23 2025-07-01 山西康达智能制造有限公司 一种机车轮对组装用齿轮毂内侧距调整装置及调整方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095778A (en) * 1977-07-22 1978-06-20 Wing Harold R Combination work table and vise
US4154435A (en) * 1978-02-22 1979-05-15 The Black And Decker Manufacturing Company Portable workbench
US4350098A (en) * 1979-06-20 1982-09-21 Anritsu Electric Company Limited Test rack for electronic equipment
BE898902A (fr) * 1984-02-14 1984-05-30 Frerard Francis J G Set d'assemblage ou banc de montage, compose de modules permettant l'ajustement, le calage de profiles pour assemblages precis et rapides
US4909491A (en) * 1989-02-08 1990-03-20 Cheng Wen H Saw platform and workbench
US4943040A (en) * 1989-01-26 1990-07-24 Cannon Equipment Company Adjustable work stand
US5065989A (en) * 1990-06-04 1991-11-19 Ho Cheng W Worktable
EP0684111A1 (fr) * 1994-05-28 1995-11-29 WOLFCRAFT GmbH Table de travail pliante

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095778A (en) * 1977-07-22 1978-06-20 Wing Harold R Combination work table and vise
US4154435A (en) * 1978-02-22 1979-05-15 The Black And Decker Manufacturing Company Portable workbench
US4350098A (en) * 1979-06-20 1982-09-21 Anritsu Electric Company Limited Test rack for electronic equipment
BE898902A (fr) * 1984-02-14 1984-05-30 Frerard Francis J G Set d'assemblage ou banc de montage, compose de modules permettant l'ajustement, le calage de profiles pour assemblages precis et rapides
US4943040A (en) * 1989-01-26 1990-07-24 Cannon Equipment Company Adjustable work stand
US4909491A (en) * 1989-02-08 1990-03-20 Cheng Wen H Saw platform and workbench
US5065989A (en) * 1990-06-04 1991-11-19 Ho Cheng W Worktable
EP0684111A1 (fr) * 1994-05-28 1995-11-29 WOLFCRAFT GmbH Table de travail pliante

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2359513A (en) * 2000-02-24 2001-08-29 Rotaclamp Workct Ltd Workpiece support device with angularly adjustable support member
GB2389557A (en) * 2002-05-15 2003-12-17 Huei-Yu Chang Foldable workbench
GB2389557B (en) * 2002-05-15 2004-08-18 Huei-Yu Chang Foldable workbench
GB2393924A (en) * 2002-09-25 2004-04-14 Huang Mo Hsieh Turning device for a workbench
EP2161110A1 (fr) * 2006-06-12 2010-03-10 Metabowerke Gmbh Montant de machine
CN103009359A (zh) * 2012-12-01 2013-04-03 谢翠斌 折叠式升降工作台
AT515567A1 (de) * 2014-03-25 2015-10-15 Scheuch Gmbh Arbeitstisch, insbesondere Schleiftisch
AT515567B1 (de) * 2014-03-25 2016-03-15 Scheuch Gmbh Arbeitstisch, insbesondere Schleiftisch
CN108747642A (zh) * 2018-06-19 2018-11-06 许昌商通实业有限公司 一种角度可调节的机械加工用打磨装置
CN111572979A (zh) * 2020-05-20 2020-08-25 龙岩市鹰飞工业设计有限公司 一种集成电路用电路板的防护装置
CN114055518A (zh) * 2021-12-07 2022-02-18 江苏汇博机器人技术股份有限公司 一种用于机器人部件装配用工装
CN117103171A (zh) * 2023-08-15 2023-11-24 辽沈工业集团有限公司 纵向装配与横向装配转换工装

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