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Centering and positioning device

A centering positioning and symmetrical technology, applied in positioning devices, clamping, supporting and other directions, can solve the problems of low work efficiency, time-consuming and labor-intensive, large cumulative errors, etc., and achieve simple structure, flexible and reliable action, convenient and accurate centering Effect

Inactive Publication Date: 2014-03-12
DALIAN HUAGEN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through test results and user feedback, this method of unilateral positioning makes the cumulative error of the position of the processed hole relative to the center position of the semicircular hole too large, which increases the difficulty of assembly, consumes time and effort, and reduces work efficiency.

Method used

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Embodiment Construction

[0009] Such as figure 1 As shown: the device includes a bracket 3 and a support plate 7 fixed on the clamp body of the machine tool, an oil cylinder 2 connected with a hydraulic control device is fixedly connected to the bracket 3, and a rack 15 is slidably installed on the support plate 7, specifically The installation method is that the support plate 7 is provided with a guide plate 12 fixed by bolts, and the top of the rack 15 is located between the support plate 7 and the guide plate 12 . On the support plate 7, a side baffle 13 is fixed by bolts, and the lower part of the rack 15 is located between the support plate 7 and the side baffle 13, so that the tooth bar 15 can slide freely relative to the support plate 7.

[0010] The end of the piston rod matched with the oil cylinder 2 is connected to one end of the rack 15 through a connecting screw, and the left shaft 16 is connected to the support plate 7 through a bearing sleeve, and a left gear meshing with the rack 15 is...

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Abstract

The invention discloses a centering and positioning device. The centering and positioning device comprises a support and a supporting plate, wherein the support is fixed on a clamp body. The support is fixedly connected with an oil cylinder which is connected with a hydraulic control device. A rack is installed on the supporting plate in a sliding mode, and the end of a piston rod matched with the oil cylinder is connected with one end of the rack. The supporting plate is connected with a left rotating shaft through a bearing, a left gear meshed with the rack is installed on the left rotating shaft, the supporting plate is connected with a right rotating shaft through a bearing, the right rotating shaft is provided with a right gear, the supporting plate is connected with a transitional gear meshed with the rack and a right gear through a bearing and a hinge pin, and the end of the left rotating shaft and the end of the right rotating shaft are provided with a left swinging arm and a right swinging arm respectively. Two sets of centering and positioning devices are symmetrically arranged. The centering and positioning device is simple in structure and flexible and reliable in action, centering is carried out conveniently and accurately, and time and labor are saved.

Description

technical field [0001] The invention relates to a centering and positioning device for workpieces in processing, which is mainly suitable for the centering and positioning of crankcase body workpieces. Background technique [0002] When the combined machine tool automatic line processes the crankcase of the automobile engine, it is necessary to clamp the workpiece of the box body, and it needs to be centered and positioned before clamping. The positioning method is to first place the clamp body close to a fixed iron stop installed on the inner wall of the crankcase side, and then push the oil cylinder against the outer wall of the crankcase until the inner wall is close to the iron stop, thereby determining a directional position. Through the testing results of the test run and the user's feedback information, this method of unilateral positioning makes the position size of the processed hole relative to the center position size of the semi-circular hole. The accumulated err...

Claims

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Application Information

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IPC IPC(8): B23Q3/18
CPCB23Q3/183
Inventor 赵凯邢晓辉宁甲亮考尚伟金宝刘佳奇陈鑫徐立伟
Owner DALIAN HUAGEN MACHINERY
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