EP3047941B1 - Dispositif de serrage - Google Patents

Dispositif de serrage Download PDF

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Publication number
EP3047941B1
EP3047941B1 EP16000126.9A EP16000126A EP3047941B1 EP 3047941 B1 EP3047941 B1 EP 3047941B1 EP 16000126 A EP16000126 A EP 16000126A EP 3047941 B1 EP3047941 B1 EP 3047941B1
Authority
EP
European Patent Office
Prior art keywords
ball element
clamping device
depressions
bowl
ball
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.)
Active
Application number
EP16000126.9A
Other languages
German (de)
English (en)
Other versions
EP3047941A1 (fr
Inventor
Marcus SCHREMPP
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.)
Schrempp Stahl- und Metallbau GmbH
Original Assignee
Schrempp Stahl- und Metallbau 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.)
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Publication date
Application filed by Schrempp Stahl- und Metallbau GmbH filed Critical Schrempp Stahl- und Metallbau GmbH
Publication of EP3047941A1 publication Critical patent/EP3047941A1/fr
Application granted granted Critical
Publication of EP3047941B1 publication Critical patent/EP3047941B1/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00Vices
    • B25B1/22Arrangements for turning or tilting vices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00Vices
    • B25B1/24Details, e.g. jaws of special shape, slideways
    • B25B1/2484Supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/002Magnetic work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005Vacuum work holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00Clamps
    • B25B5/006Supporting devices for clamps

Definitions

  • the invention relates to a clamping device for clamping a workpiece, with a base plate, a shell, a ball element rotatably mounted in the shell, a holding plate connected to the ball element for holding the workpiece and at least one fastening element for locking the ball element in the shell, on which Ball element an arrangement is formed with a plurality of depressions and the fastening element can optionally be brought into positive engagement with one of the depressions, with at least some of the depressions being assigned information on the surface of the ball element.
  • the to be machined Workpiece is clamped on a holding plate and this in turn is connected to a ball element.
  • the ball element is located in a spherical recess of a shell, which in turn is attached to a base plate.
  • the ball element is rotatably mounted in the shell.
  • the ball element can be locked by fastening elements. The locking takes place here by clamping the fastening elements on the ball element.
  • a clamping device with the features of claim 1.
  • This is characterized in that at least some of the depressions are assigned information on the surface of the spherical element. Characteristic points are marked accordingly, for example. This enables these depressions to be found again quickly.
  • Information within the meaning of the invention denotes, for example, systematic numbering or designations with letters. The system this designation can be based in particular on the distribution of the depressions on the spherical surface.
  • the arrangement of depressions on the ball element provides characteristic points at which the ball element can be locked into one of the depressions by means of a positive engagement of a fastening element.
  • the position of the locked ball element can thus be clearly determined and, as a result, be resumed exactly even after a misalignment.
  • the depressions can be designed as troughs or holes. This creates a series of excellent points on the spherical surface, which identify a certain position of the spherical element and make it easy to find again. In addition, this configuration allows an effective form-fitting engagement of the fastening elements.
  • the dimensioning of the depressions can depend on the requirements of the individual case, in particular on the design of the fastening element.
  • the arrangement of the depressions can extend at least approximately over the entire surface of the spherical element. In this way, at least a large part of the area given by the spherical surface can be used for the desired adjustment movements.
  • the depressions are arranged in a grid.
  • a grid can, for example, comprise an arrangement of holes in a plurality of mutually offset, horizontally extending rows. This arrangement is within the scope of the invention referred to as geodetic arrangement.
  • a so-called equatorial arrangement is also conceivable, which provides an arrangement of depressions in degrees of longitude and latitude, similar to a globe.
  • the ball element can be locked in its position in the shell by at least two fastening elements.
  • the fastening elements can be attached at any point on the spherical shell.
  • the use of more than one fastening element increases the stability of the locking of the ball element. Particularly when the dimensions of the depressions are matched to the fastening elements, a particularly stable hold is provided by a form-fitting engagement.
  • fastening elements are arranged on radially opposite sides with respect to the center point of the ball element. In this way, a particularly high level of stability of the locking is achieved.
  • several fastening elements can also be present in a point-symmetrical arrangement with respect to the center point of the spherical element.
  • Screws, nuts or bolts can be provided as fastening elements in order to guarantee sufficient stability of the locking.
  • the fastening elements are preferably acted upon by springs.
  • the type of attachment can be determined according to the requirements of the individual case.
  • the use of springs enables particularly rapid locking and / or particularly rapid release of the ball element from its position in the ball socket.
  • the use of spring loaded bolts provides both a fast Locking, as well as a quick release of the lock as well as a form-fitting hold of the ball element when locked.
  • At least one scale is assigned to at least one group of depressions.
  • the use of scales increases the clarity and accelerates the adjustment.
  • the spherical element and / or the shell can preferably be provided with labels or scales in order to facilitate the overview.
  • the shell preferably has a spherical recess in order to enable simple storage of the ball element.
  • the radius of curvature of the recess corresponds approximately to the radius of curvature of the spherical element, wherein at the same time or alternatively the center of the recess coincides at least approximately with the center of the spherical element. This guarantees simple and, at the same time, form-fitting mounting of the ball element in the recess of the shell, as well as adjustability in all three axes of rotation.
  • the ball element can be mounted exchangeably in the shell. An exchange of a defective or worn ball element is therefore easily possible.
  • the shell can be designed in several parts and can be brought into an open position in which the ball element can be inserted into and / or removed from the shell.
  • the shell can be designed to be foldable apart and held together by at least one holding element. In this way, a particularly stable hold is possible with a simultaneous rapid exchange of the ball element.
  • Fig. 1 shows a clamping device 1 which is fastened on a base plate 2.
  • the base plate 2 is used to attach the clamping device 1 to a further structure in space such as a workbench.
  • a further structure such as a workbench.
  • an upwardly opening partially spherical shell 4 is attached above the base plate 2.
  • the shell 4 has a slightly more than semicircular cross section with an opening angle of less than 180 °.
  • the shell 4 is provided with a part-spherical recess 9.
  • the wall of the shell 4 is pierced by two fastening elements 7 at two positions which are radially and point-symmetrically opposite one another relative to the center of the shell.
  • the fastening elements 7 are here as acted upon by springs in the direction of the center of the recess Bolt 10 shown.
  • the bolts 10 extend radially into the interior of the recess 9 of the shell 4, device elements designed as screws for loosening the springs with a tight fit being provided on the outside.
  • a ball element 5 is inserted into the recess 9 of the shell 4.
  • the ball element 5 is designed as a hollow ball and is rotatably supported by the enclosing shell 4 in its recess 9.
  • Fig. 1 also shows a holding plate 6 which is connected to the upper part of the ball element 5 via a web 11.
  • a workpiece W which is to be adjusted with the ball element 5, can be clamped on the holding plate 6.
  • Figure 1 a plurality of similar depressions 8 can be seen on the surface of the ball element 5. These are shown as holes and worked into the surface of the ball element 5.
  • the wells are according to Fig. 1 arranged in a so-called equatorial pattern. This designates a grid-like arrangement of the depressions 8, the spatial angle difference between two adjacent depressions 8, starting from the center point of the spherical element 5, always being the same.
  • the result is a pattern that can be characterized according to longitude and latitude, similar to a globe.
  • scales attached to the spherical element 5 or to the shell 4 it is possible for the user to find the respectively locked position of the spherical element and to adjust it in a reproducible manner.
  • Fig. 2 shows a similar clamping device 1 as in FIG Fig. 1 .
  • the ball element 5 is provided with depressions 12 as depressions 8 of the same type.
  • the depressions 8 are worked into the surface of the ball element 5 in closely spaced rows, two adjacent rows being offset from one another in the circumferential direction of the ball by half a diameter of the depressions 8.
  • a geodetic arrangement with a period of two rows can be seen, that is to say that the troughs 12 of, for example, the first and third rows are at the same height perpendicular to the direction of extension of the rows.
  • a geodetic grid of the depressions 8 with a different periodicity is also possible.
  • a typical use of the clamping device according to the invention is as follows. First, the clamping device 1 is attached to the base plate 2 on a supporting structure, for example a workbench.
  • the ball element 5 is already located in the recess 9 of the shell 4.
  • the tool to be adjusted is then fastened to the holding plate 6.
  • a quick release device is used here.
  • the fastening elements 7 on the shell 4 are loosened by the screws.
  • the ball element 5 and thus the workpiece W to be adjusted can thus be rotated in the equipment 9.
  • the user actuates the fastening elements 7, whereupon these penetrate through the openings on the shell 4 and positively engage in the holes 8 of the ball element 5.
  • the ball element 5 is thus locked in a form-fitting manner on the shell 4.
  • the user can take the coordinates of the position of the locked ball element 5 from scales. If the ball element 5 assumes a different position in the course of further use, the user can precisely set the originally desired position again with the aid of the scales and the recess elements 8 on the ball element 5.
  • the ball element 5 can be stored in the shell 4 in an exchangeable manner.
  • the shell 4 is designed in two parts. Holding elements (not shown) provided on the shell 4 press both parts of the shell 4 against one another and thus hold the ball element firmly in the recess 9 of the shell 4 in a form-fitting manner.
  • the holding elements of the shell are designed as handle-like devices to enable easy transport of the entire structure.
  • the parts of the shell 4 are released by actuating the holding elements in such a way that the recess 9 of the shell 4 assumes an open position and increases in size. This enables the ball element 5 to be removed. A new ball element 5 is then inserted into the recess 9 and the holding elements are tightened again. This reduces the size of the recess 9 in the shell 4 and holds the new ball element 5 in a form-fitting and rotatable manner in the interior of the recess 9.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Claims (14)

  1. Dispositif de serrage (1) pour le serrage d'une pièce usinée (W), avec une plaque de base (2), une coque (4), avec un élément sphérique (5) disposé de façon à pouvoir pivoter dans la coque (4), avec une plaque de maintien (6) reliée à l'élément sphérique (5) pour maintenir la pièce usinée (W) et avec au moins un élément de fixation (7) pour bloquer l'élément sphérique (5) dans la coque (4), caractérisé en ce qu'un agencement est réalisé avec une pluralité de renfoncements (8) sur l'élément sphérique (5) et que l'élément de fixation (7) peut être amené au choix en prise avec un des renfoncements (8) par complémentarité de formes et une information sur la surface de l'élément sphérique (5) étant associée à au moins quelques-uns des renfoncements (8).
  2. Dispositif de serrage (1) selon revendication 1, caractérisé en ce que les renfoncements (8) de l'élément sphérique (5) sont configurés sous la forme d'auges ou de trous.
  3. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'agencement des renfoncements (8) s'étend au moins approximativement sur la totalité de la surface sphérique de l'élément sphérique (5).
  4. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les renfoncements (8) sont disposés en forme de grille.
  5. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément sphérique (5) peut être bloqué par au moins deux éléments de fixation (7) dans sa position dans la coque (4).
  6. Dispositif de serrage (1) selon la revendication 5, caractérisé en ce qu'au moins deux des éléments de fixation (7) sont disposés sur les côtés radialement opposés par rapport au point central de l'élément sphérique (5).
  7. Dispositif de serrage (1) selon la revendication 5 ou 6, caractérisé en ce que les éléments de fixation (7) prévus prennent la forme de vis, d'écrous ou de boulons.
  8. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de fixation (7) peuvent être sollicités avec des ressorts dans leur position de mise en prise avec le renfoncement (8) respectivement associé.
  9. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une graduation est associée à au moins un groupe de renfoncements (8).
  10. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément sphérique (5) et/ou la coque (4) sont pourvus d'inscription ou de graduations.
  11. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la coque (4) comporte un évidement (9) sphérique.
  12. Dispositif de serrage (1) selon la revendication 11, caractérisé en ce que le rayon de courbure de l'évidement (9) correspond au rayon de courbure de l'élément sphérique (5) et/ou que le point central de l'évidement (9) sphérique coïncide au moins approximativement avec le point central de l'élément sphérique (5) dans l'espace.
  13. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément sphérique (5) est disposé de façon amovible dans la coque (4).
  14. Dispositif de serrage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la coque (4) est réalisée en plusieurs parties et peut être amenée dans une position ouverte dans laquelle l'élément sphérique (5) peut être inséré dans la coque (4) et/ou peut en être retiré.
EP16000126.9A 2015-01-21 2016-01-20 Dispositif de serrage Active EP3047941B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015000507.3A DE102015000507A1 (de) 2015-01-21 2015-01-21 Spannvorrichtung

Publications (2)

Publication Number Publication Date
EP3047941A1 EP3047941A1 (fr) 2016-07-27
EP3047941B1 true EP3047941B1 (fr) 2020-09-09

Family

ID=55229499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16000126.9A Active EP3047941B1 (fr) 2015-01-21 2016-01-20 Dispositif de serrage

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EP (1) EP3047941B1 (fr)
DE (1) DE102015000507A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110948252B (zh) * 2019-11-05 2021-12-21 冷水江天宝实业有限公司 一种用于螺栓球基准面加工的夹持机构
CN111702677A (zh) * 2020-06-28 2020-09-25 嘉善荣德金属制品股份有限公司 一种金属制品加工用稳固机构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981253A (en) * 1933-01-05 1934-11-20 Reinhold H Schulz Globe dial fixture
DE716367C (de) * 1940-06-02 1942-01-20 Anton Buchner Um drei Achsen schwenkbarer Maschinenschraubstock

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE85452C (de) * 1895-04-12 1896-02-13 Curd Nube Aufspannvorrichtung mit kugellager
DE3819983A1 (de) * 1987-06-13 1988-12-29 Rosoma Maschinenbau Gmbh Montagevorrichtung, insbesondere fuer die dentaltechnik
US6698738B2 (en) * 2002-02-14 2004-03-02 David Wiebe Multi-direction swivel vise
US6767153B1 (en) * 2003-02-10 2004-07-27 Dana W. Holbrook Locking positional arm device
US7387284B2 (en) * 2005-11-28 2008-06-17 Ta Shuo Chang Mechanism for fastening a pivotal support in any direction
WO2008081380A1 (fr) * 2006-12-27 2008-07-10 Grundig Elektronik Anonim Sirketi Dispositif d'ajustage
KR100834409B1 (ko) * 2007-10-02 2008-06-04 박재홍 삼각대용 볼 헤드
TWI398583B (zh) * 2009-03-20 2013-06-11 Pegatron Corp 樞轉裝置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1981253A (en) * 1933-01-05 1934-11-20 Reinhold H Schulz Globe dial fixture
DE716367C (de) * 1940-06-02 1942-01-20 Anton Buchner Um drei Achsen schwenkbarer Maschinenschraubstock

Also Published As

Publication number Publication date
EP3047941A1 (fr) 2016-07-27
DE102015000507A1 (de) 2016-07-21

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