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A circular positioning fixture and its use method

A circular positioning and fixture technology, used in positioning devices, clamping, manufacturing tools, etc., can solve problems such as the inability to eliminate assembly gaps, and achieve the goal of improving accuracy and stability, ensuring stability and reliability, and ensuring accuracy. Effect

Active Publication Date: 2021-06-15
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the technical problems existing in the prior art, the present invention provides a circular positioning fixture and its use method to solve the technical problem that the existing circular positioning fixture cannot eliminate the assembly gap

Method used

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  • A circular positioning fixture and its use method
  • A circular positioning fixture and its use method
  • A circular positioning fixture and its use method

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Embodiment

[0045] A kind of circular positioning jig described in the present invention, the jig positioning datum comprises two parts of the first jig 2 and the second jig 3, the first jig 2 is the jig fixing and positioning part, the second jig 3 is the jig moving and positioning part; The clamp 2 is fixedly connected with the clamp base 1 and is integrated with the clamp base 1; the second clamp 3 is provided with a preset movement range, and the second clamp 3 can face or face each other along the line connecting the centers of the first clamp 2 and the second clamp 3 Moving back, the first clamp 2 and the second clamp 3 jointly form a clamp reference positioning circle; assuming that the diameter of the part machining reference circle of the processed part 7 is 350 mm, when the second clamp 3 moves to the nearest end relative to the second clamp 1, The fixture reference positioning circle approximates an elliptical structure, the length of its long axis direction is 349.86mm, and the...

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Abstract

The invention discloses a circular positioning jig and its use method, comprising a first jig, the first jig is fixedly arranged on one side of the upper part of the jig base, and the second jig is slidably arranged on the other side of the upper part of the jig base; the first jig and the second jig The two fixtures are symmetrically arranged, and both are semi-cylindrical structures; the first fixture and the second fixture cooperate to form a fixture reference positioning circle, and the part processing reference circle sleeve of the processed part is set on the fixture reference positioning circle; one end of the adjustment bolt and the second The fixture is connected, and the other end is connected with the fixture base; several pressing mechanisms are evenly arranged on the outer circumference of the fixture reference positioning circle, and the pressing mechanism is used for vertical positioning of the processing parts; the present invention sets the first fixture and the second fixture , the formed fixture reference positioning circle; by screwing the adjusting bolt to adjust the gap between the fixture reference positioning circle and the part processing reference circle, the precise positioning and clamping of the processed parts and the quick disassembly function are realized.

Description

technical field [0001] The invention belongs to the technical field of positioning fixtures, in particular to a circular positioning fixture and its usage method. Background technique [0002] In the mechanical processing of parts, most parts cannot be completed through one process or one clamping process. The subsequent processing must be based on the previously processed parts and surfaces, so as to ensure the position of the processing surface in the previous and subsequent processes. requirements; at present, there are two ways to ensure that the process is relative to the reference: 1. Use the method of reference alignment; The method keeps the relative position of the datum consistent with the processing part, so as to ensure the relative position of different surfaces of the part; 2. The method of positioning fixture is adopted; the part datum is installed on the fixture positioning datum, so that the two datums coincide, so that the position on the fixture Datums ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/06
Inventor 罗俊波程冬伟杨桢王玉侠李建侯丽珍詹红梅张斌
Owner AECC AVIATION POWER CO LTD
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