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Eccentric clamping device

An eccentric clamping and eccentric wheel technology, applied in the field of fixtures, can solve the problems of limiting the use of ordinary cam clamping mechanisms, inability to achieve effective clamping, and increased production and processing costs. It achieves simple structure, rapid action, and reduced production. The effect of processing costs

Active Publication Date: 2019-04-09
CHANGZHOU COLLEGE OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If it is a batch of workpieces with large thickness and dimension errors, the position of the clamping point of the eccentric wheel will be affected, the clamping effect will be deteriorated, and even effective clamping cannot be achieved, the processing efficiency will be greatly reduced, and the accuracy requirements of the workpiece size will need to be artificially increased , the cost of production and processing is greatly increased, which limits the use of ordinary cam clamping mechanism

Method used

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Embodiment 1）

[0027] See Figure 1 to Figure 12 , The eccentric clamping device of the present invention includes a clamp seat, an eccentric cam 2 , a pressing handle 3 , a positioning assembly 4 and an eccentric adjustment assembly 5 .

[0028] See Figure 1 to Figure 7 , The fixture seat includes a fixture body 1-1, an upper cover plate 1-2, a left cover plate 1-3 and a right cover plate 1-4. The clamp body 1-1 is an integral piece made of steel. The clip body 1-1 includes a fixed connection part 1-11 at the lower part, a cam installation part 1-12 at the upper part of the fixed connection part 1-11, and a second installation part 1-13 at the left side of the cam installation part 1-12. The fixed connection portion 1 - 11 of the clamp body 1 - 1 is used for fixedly connecting the clamp body 1 - 1 to the corresponding workbench 100 . The cam mounting part 1-12 is provided with a sliding block mounting groove 1-12-1 opening upwards and to the right. The middle part of the cam mounting p...

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Abstract

The invention discloses an eccentric clamping device, which comprises a fixture base, an eccentric cam, a pressing handle and an eccentric wheel adjusting assembly. The fixture base is fixedly arranged on a corresponding working table; the eccentric cam is rotatably arranged on the fixture base through the eccentric wheel adjusting assembly; a distance from a rotation axis of the eccentric cam tothe working table can be adjusted through the eccentric wheel adjusting assembly; the pressing handle is fixedly arranged on the eccentric cam along a radial direction of the eccentric cam and is usedfor rotating the eccentric cam.

Description

technical field [0001] The invention relates to the technical field of fixtures, in particular to an eccentric clamping device. Background technique [0002] The commonly used eccentric clamping mechanism, in order to make the cam clamping reliable, the design requires the best working section of the cam clamping to be within a certain angle range, generally in the effective clamping working section, the cam clamping point in the height direction The dimensional change is small (especially when the size of the eccentric wheel is small), so that in order to achieve reliable clamping, the dimensional change of the workpiece is required to be within a certain range. If it is a batch of workpieces with large thickness and dimension errors, the position of the clamping point of the eccentric wheel will be affected, the clamping effect will be deteriorated, and even effective clamping cannot be achieved, the processing efficiency will be greatly reduced, and the accuracy requireme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/069
Inventor 苏沛群傅晓亮邓志辉
Owner CHANGZHOU COLLEGE OF INFORMATION TECH
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