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Tensioning device

A clamping device and clamping force technology, applied in the direction of clamps, manufacturing tools, mechanical equipment, etc., can solve the problems of complex structure and troublesome operation, and achieve the effect of small structure space

Active Publication Date: 2008-07-23
ZEROCLAMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structure of the clamping device is complicated and the operation is cumbersome.

Method used

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  • Tensioning device
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Examples

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Embodiment Construction

[0043] An exemplary embodiment of the clamping device according to the invention is shown in FIG. 1 . In the base body 3 , the fixing part 2 is detachably mounted (the fixing part 2 can support the workpiece holder 17 shown in FIG. 5 ). For this purpose, the base body 3 has an approximately pot-shaped receptacle 5 into which the fastening element 2 can be inserted. The fastening part 2 has a rotationally symmetrical structure about its longitudinal axis 14 .

[0044] In the installed state of the fastening part, the fastening part is completely surrounded by the fastening part 4 seated in the base body 3 and is located centrally therein. The fastening element 4 essentially consists of two opposing annular chamber walls 8 with a slightly curved cross-section, which enclose a chamber 7 mainly due to their relative convex orientation. The chamber wall 8 is made of a flexible but tensile and compressive material.

[0045] On the annular outer edge of the fastening element 4 , t...

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PUM

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Abstract

A clamping device (1), in particular for machine tools, wherein a deformable fastener (4) acts on a clamping element (6) with a clamping force caused by said deformation, in order to clamp or loosen the fastening element (2).

Description

technical field [0001] The invention relates to a clamping device, in particular for machine tools, according to the preamble of claim 1 . Background technique [0002] In machine tools of the prior art type, workpieces are machined and can be fixed in different ways. For this purpose, devices are known in particular in which the workpiece is screwed to the machine base by means of a spring chuck and is released again by suitably unscrewing the thread. In addition, clamping devices are known which are bolted to the table of the machine and which are specially designed or arranged for a certain workpiece. When changing workpieces or workpiece types, the clamping unit must be removed and the zero point remeasured each time. [0003] Furthermore, the requirement is known that it is desirable to simultaneously arrange a plurality of workpieces in the machining area of ​​a machine tool and fix them or remove them therefrom. For this purpose, the workpieces can be fixed togethe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B5/06B23Q1/00
CPCY10T279/3462Y10T279/1233Y10T279/1291B23B31/107Y10T279/12B25B5/065B23Q1/0063B23B2270/027B23Q1/0072B23B31/305
Inventor 克劳斯·霍夫曼
Owner ZEROCLAMP