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A mask fixture for jet processing

A mask and fixture technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing mechanical parts, etc., can solve the problems affecting the jet machining accuracy, interference, uneven jet surface, etc., to improve the accuracy and improve the jet machining accuracy. , the effect of preventing tampering

Active Publication Date: 2020-05-29
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art that after the mask plate is clamped, part of the structure is located on the side of the mask plate close to the jet column, which causes the jet surface to be uneven and thus affects the machining accuracy of the jet. The mask plate is adsorbed on the workpiece by the tightening device, so that the jet surface on the side of the mask plate close to the jet column is smooth, and the mask plate fixture that avoids redundant structures interfering with the jet field, thereby affecting the machining accuracy of the jet

Method used

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  • A mask fixture for jet processing
  • A mask fixture for jet processing
  • A mask fixture for jet processing

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Figure 1 to Figure 5 It is a mask fixture for jet processing, including a base 1 for placing workpieces 12, a guide post 5 is provided on the base 1, the bottom end of the guide post 5 is fixedly connected to the base 1, and the top end of the guide post 5 A guide sleeve 6 is sleeved, and the guide column 5 is slidingly connected with the guide sleeve 6. The guide column 5 is provided with a second air passage 8 from one end to the other end. The guide sleeve 6 includes a sleeve hole 9, and the top end of the sleeve hole 9 is against the On the lower side of the mask plate 3 so that the top of the sleeve hole 9 becomes a closed end, the top of the second air channel 8 is inserted into the sleeve hole 9 from the bottom end of the sleeve hole 9, and the second air channel 8 and the sleeve hole 9 jointly form the first air channel 7 , the bottom end of the second air passage 8 is connected with a vacuum pump. The base 1 is provided with a suction hole 10 and a third air ...

Embodiment 2

[0029] Figure 6 It is a structural schematic diagram of this embodiment, which is basically the same as Embodiment 1, except that the top end of the first air passage 7 is a closed end, the bottom end of the telescopic column 4 is fixedly connected to the base 1, and the top end of the telescopic column 4 is set An electromagnet 17 is arranged, and the electromagnet 17 is connected with an electromagnetic control system, and the first air channel 7 is connected with a vacuum pump.

[0030] When using this embodiment: first place the workpiece on the base, then control the electromagnet through the electromagnetic control system to adsorb the mask plate on the top of the telescopic column, then turn on the vacuum pump, the telescopic column shortens, and finally the mask plate is against the workpiece, And press the workpiece tightly on the base.

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Abstract

The invention discloses a mask plate clamp for jet processing, and relates to the field of tool clamps. The mask plate clamp comprises a base, wherein an attaching device is arranged on the base. According to the mask plate clamp, a mask plate is adsorbed on a workpiece by the attaching device, so that the jet surface, close to one side of a jet column, of the mask plate is flat, redundant structures are prevented from interfering with the jet flow field, and thus the mask plate clamp with the jet processing precision is influenced.

Description

technical field [0001] The invention belongs to the field of tooling fixtures, in particular to a mask plate fixture for jet flow processing. Background technique [0002] Masks are widely used in production processes such as chemical etching and semiconductor processing. Its principle is to use selected images, graphics or objects to block the processed workpiece to control the area or process of image processing. The specific image or object used for overlay is called a mask. The mask material can be a metal material or a polymolecular material. Jet polishing is to use the principle of liquid pressurization to convert the mechanical energy of the power source (motor) into pressure energy through a specific device (boost port or high-pressure pump); water with huge pressure energy or suspension mixed with abrasive particles, etc. The pressure energy is converted into kinetic energy when passing through the small hole nozzle, thus forming a high-speed jet. The target mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/08
CPCB23Q3/088
Inventor 郭宗福陈占峰杨贺桑志谦王文卢科青
Owner HANGZHOU DIANZI UNIV