Special multifunctional multi-shaft numerically controlled clamp for processing centrifugal vane wheel, and manufacturing and installation method of special multifunctional multi-shaft numerically controlled clamp

A technology of centrifugal impeller and special fixture, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of reducing efficiency, increasing production cost, general performance limitations of fixtures, etc., and achieves the effect of convenient operation and simple structure

Inactive Publication Date: 2011-08-17
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The machine tools used to process different types of impellers are not the same, and the strokes of different machine tools limit the universal performance of the fixture
In the process of enterprise processing and production and scientific research units, there are the following problems and difficulties: 1. In impeller processing, different types of fixtures need to be made to adapt to changes in impeller size and machine tools
Making different types of fixtures not only increases production costs, reduces efficiency, but also increases the difficulty of equipment management
2. Due to the special rotary structure of the impeller, it has caused certain difficulties for scientific research units in the secondary clamping and positioning during the process of impeller processing research.

Method used

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  • Special multifunctional multi-shaft numerically controlled clamp for processing centrifugal vane wheel, and manufacturing and installation method of special multifunctional multi-shaft numerically controlled clamp
  • Special multifunctional multi-shaft numerically controlled clamp for processing centrifugal vane wheel, and manufacturing and installation method of special multifunctional multi-shaft numerically controlled clamp
  • Special multifunctional multi-shaft numerically controlled clamp for processing centrifugal vane wheel, and manufacturing and installation method of special multifunctional multi-shaft numerically controlled clamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A multi-functional centrifugal impeller multi-axis CNC machining special fixture, which consists of: a fixture main body 1, the upper end of the fixture main body 1 is connected to a fixed mandrel 2, and a size-variable adaptable ring sleeve 3 is housed in the described fixture main body 1. The upper end of the fixed mandrel 2 is connected to the impeller blank 4 , and the impeller blank 4 is connected to the workpiece repositioning pin 5 .

Embodiment 2

[0026] A manufacturing and installation method of a special fixture for a multifunctional modular centrifugal impeller. The special fixture is composed of four parts: a fixture main body, a fixed mandrel, a size-changing adaptation ring sleeve, and a workpiece repositioning; Install and start the mandrel on the machine; fix the mandrel, install and fix it on the main body of the fixture by means of threaded connection, and form a positioning surface with the main body of the fixture or the variable size adaptation module for workpiece processing and positioning; the diameter of the mandrel can be changed according to the requirements of the center hole of the impeller ;The mandrel passes through the center hole of the impeller, and the workpiece is fixed by the nut thread, and the size is changed to adapt to the annular structure of the ring sleeve, which is detachably connected to the fixture main body by using a cylindrical combination; the change is adjusted by changing the o...

Embodiment 3

[0028] The manufacturing and installation method of the special fixture for multifunctional modular centrifugal impeller described in Example 2, if the workpiece needs to be clamped twice, the positioning hole is processed on the impeller before clamping, and then repositioning is carried out by connecting with the repositioning pin .

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PUM

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Abstract

The invention provides a special multifunctional multi-shaft numerically controlled clamp for processing a centrifugal vane wheel, and a manufacturing and installation method of the special multifunctional multi-shaft numerically controlled clamp. Each group of vane wheels in an engine consists of a plurality of vane wheels which have different sizes and are made from different materials. Lathes for processing the vane wheels of different types are different; and the strokes of the different lathes restrain the universal performance of the clamp. The special multifunctional multi-shaft numerically controlled clamp for processing the centrifugal vane wheel consists of a clamp main body (1), wherein the upper end of the clamp main body is connected with a fixed mandrel (2); a size-variable suitable ring sleeve (3) is arranged on the clamp main body; the upper end of the fixed mandrel is connected with a vane wheel blank (4); and the vane wheel blank is connected with a workpiece re-positioning pin (5). The invention relates to a special multifunctional multi-shaft numerically controlled clamp for processing the centrifugal vane wheel.

Description

Technical field: [0001] The invention relates to a processing auxiliary device for a centrifugal impeller, which is a core component of a turbine impeller engine, in particular to a special fixture for multi-axis numerical control processing of a multifunctional centrifugal impeller and a manufacturing and installing method. Background technique: [0002] Each set of impellers in an engine consists of several impellers of different sizes or materials. The machine tools used to process different types of impellers are not the same, and the strokes of different machine tools limit the universal performance of the fixture. In the process of enterprise processing and production and scientific research units, there are the following problems and difficulties: 1. In impeller processing, different types of fixtures need to be made to adapt to changes in impeller size and machine tools. Making different types of fixtures not only increases production costs, reduces efficiency, but ...

Claims

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Application Information

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IPC IPC(8): B23Q3/06B23P21/00
Inventor 刘献礼郭凯黄久超岳彩旭严复钢程耀楠
Owner HARBIN UNIV OF SCI & TECH
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