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Quick repeated positioning device for machining

A technology of repeated positioning and machining, which is applied in positioning devices, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of low repeated positioning accuracy, overcome the low repeated positioning accuracy, eliminate tooling adjustment time, and improve processing efficiency. Effect

Active Publication Date: 2012-06-20
SHANDONG CHANGLIN MACHINERY GRP
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AI Technical Summary

Problems solved by technology

Overcome the defects of low repeated positioning accuracy of the existing fixtures to achieve the effect of improving processing efficiency and reducing costs

Method used

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  • Quick repeated positioning device for machining
  • Quick repeated positioning device for machining

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Embodiment Construction

[0015] Next, a quick-change repeat positioning device for machining according to the present invention will be described in detail below with reference to the accompanying drawings.

[0016] A quick-change repeat positioning device for machining, the structure of which includes a chuck base provided with a central hole and installed on the main shaft of a machine tool or a work table, and a tray support positioned above the chuck base by pulling nails; The inside of the chuck base is provided with an oil cylinder or a cylinder and an oil passage or an air passage communicated with the oil cylinder or the cylinder; the structure of the oil cylinder or the cylinder includes a piston and a compression spring connected under the piston, and the inner chamber of the oil cylinder or the cylinder is connected to the chuck The central hole of the base is connected, a spherical groove is provided on the piston, and an annular groove is provided on the pull nail. A lock is arranged betwe...

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Abstract

The invention discloses a quick repeated positioning device for machining, which comprises a chuck base seat provided with a center hole and installed on a machine tool spindle or a working table and a tray support seat positioned and installed above the chuck base seat through a blind rivet, wherein an oil cylinder or air cylinder and an oil duct or air duct are arranged inside the chuck base seat; the structure of the oil cylinder or air cylinder comprises a piston and a pressure spring connected below the piston, and the cavity of the oil cylinder or air cylinder is communicated with the center hole of the chuck base seat; and a spherical groove is arranged on the piston, a circular groove is arranged on the blind rivet, and a locking steel ball is arranged between the communication holes of the spherical groove and the circular groove communicated with the center hole of the chuck base seat through the cavity of the oil cylinder or air cylinder. The quick repeated positioning device is used for quickly switching special tooling of metal machining machine tools in various machining centers, turning centers and the like, and the tooling adjustment time is eliminated. The defect of low repeated positioning accuracy of the traditional fixture is overcome, and the effects of improving machining efficiency and lowering cost are achieved.

Description

technical field [0001] The invention relates to a positioning device, in particular to a quick-change repeat positioning device for machining. Background technique [0002] In mechanical processing, technicians hope to have a fixture with high repeat positioning accuracy, which is not only convenient for loading and unloading, but also maintains high positioning accuracy, because it is difficult to guarantee 0.01 in the traditional way of centering with hole axis and prismatic pin orientation. Accuracy within mm cannot realize quick change of tooling (or as accompanying fixture), long tooling debugging time reduces production efficiency, and cannot meet the requirements of modern processing technology, so it is necessary to develop a quick change and repeat positioning device for machining. Contents of the invention [0003] The object of the present invention is to provide a quick-change repeat positioning device for machining in view of the defects in the prior art. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/08B23Q3/12
Inventor 英宵张桂忠张学春杨军华张萍唐成栋
Owner SHANDONG CHANGLIN MACHINERY GRP
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