Two-way automatic centering fixture

An automatic centering and fixture technology, applied in the field of mechanical processing, can solve the problems of increasing processing costs and high processing costs, and achieve the effects of shortening the manufacturing cycle, low processing accuracy requirements, and simple structure

Inactive Publication Date: 2016-06-01
陕西天财工程造价咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to meet the requirements of symmetry, the processing technology was revised, and the precision of the width dimension of 28mm was increased to level 8, which not only greatly increased the processing cost, but also the pass rate was only 80%. It is necessary to further improve the process accuracy of the width dimension of 28mm to ensure The symmetry tolerance of the chute meets the design requirements, but the processing cost is too high, so it is not allowed

Method used

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  • Two-way automatic centering fixture

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Embodiment Construction

[0010] The two-way self-centering fixture of the present invention includes two clamping jaws 5 arranged on the workbench, one remote end of the two clamping jaws 5 is connected to the clamping wheel of the machine tool, and the other remote end is connected to the machine tool through a tension spring 4 The two clamping jaws 5 are respectively provided with two driving rods 7, one end of the two driving rods 7 is connected with the clamping jaws 5 through the pin shaft 6, and the other end is connected with the gear 8, The driving lever 7 can drive the gear 8 to rotate, and the two gears 8 are meshed with each other. Two shims 3 are arranged symmetrically on the clamping jaw 5 , and the positions of the shims 3 on the clamping jaw 5 are at the same height. The positions of the two driving levers 7 respectively located on the two clamping jaws 5 are symmetrical to each other.

[0011] During processing, the milling cutter 1 is located at the center of the two clamping jaws 5,...

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Abstract

The invention discloses a two-way automatic centering fixture, and relates to the field of mechanical machining, in particular to the two-way automatic centering fixture. The two-way automatic centering fixture comprises two clamping vice jaws arranged on a workbench and is characterized in that one far end of the two clamping vice jaws is connected with a clamping wheel of a machine tool, and the other far end of the two clamping vice jaws is connected with the wall of the machine tool through a tension spring; two deflector rods are arranged at the two clamping vice jaws correspondingly, one end of each deflector rod is connected with the corresponding clamping vice jaw through a pin shaft, and the other end of each deflector rod is connected with a corresponding gear; the deflector rods can drive the gears to rotate, and the two gears are engaged with each other. According to the two-way automatic centering fixture, the structure is simple, the requirement for machining precision of the fixture is not high, and action is flexible and reliable; an existing power source of the machine tool is utilized, the main structure of the machine tool is not influenced, the manufacturing period is shortened, and the cost is low.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a bidirectional self-centering fixture. Background technique [0002] There are two kinds of parts of the same type on a certain automobile equipment, the production batch is relatively large, and the structure is shown in Figure 1. To mill out a chute with a width of 8mm on two different sections, the chute requires a symmetry tolerance of 0.01mm. If this kind of part is milled on two sides and then the chute is processed on the automatic special milling machine, one side of the workpiece is positioned, and the jaw is moved and clamped on one side, the symmetry of the chute will be lower due to the large error of the width of the part at 28mm. Failure to meet drawing requirements. In order to meet the requirements of symmetry, the processing technology was revised, and the precision of the width dimension of 28mm was increased to level 8, which not only greatly increased t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06
Inventor 王梦实
Owner 陕西天财工程造价咨询有限公司
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