Sand blasting device and method for forming pattern
A sandblasting device and sandblasting technology are applied in the direction of abrasive jet machine tools, machine tools designed for grinding the rotating surface of workpieces, grinding machines, etc., and can solve problems such as difficult application of sandblasting
Inactive Publication Date: 2015-11-18
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology
However, as the grit is sprayed through the nozzle, it spreads over a wider area, i.e. the spray area may be 2-3 times larger than the nozzle size
Therefore, it is difficult to apply sandblasting in the field of precision machining
Method used
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[0034] The sandblasting device provided by the technical solution and the method for forming patterns by using the sandblasting device will be further described in detail below in conjunction with the accompanying drawings and multiple embodiments.
[0035] see together figure 1 and figure 2 , The sandblasting device 100 provided by the first embodiment of the present invention includes a main body 110 , a nozzle 120 connected to the main body 110 , and a filter channel 130 .
[0036] The main body 110 includes four pillars 112 and four baffles 140 . The four pillars 112 and the four baffles 140 define an inner space 142 . The four baffles 140 are integrally formed with the pillar 112 . When the four baffles 140 are high enough to support the main body 110 , the four pillars 112 can be omitted. The main body 110 carries the sand 20 and ejects the sand 20 from the nozzle 120 at a certain speed. The type and particle size of the sand grains 20 are determined according to t...
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The invention provides a sand spraying device which comprises a main body, a nozzle and a filtering channel, wherein the main body is provided with an inner space, the nozzle is connected with the main body and an outlet of the nozzle is aligned with the inner space of the main body, and the filtering channel is contained in the inner space of the main body and has a certain distance with the nozzle. The filtering channel is provided with an inner through hole which is used for being aligned with a workpiece presetting region for spraying the sand. The invention further provides a pattern forming method, which comprises the steps of: offering a base plate which is provided with a film layer for forming a pattern; covering a dry film light resistance layer on the film layer; offering a photomask provided with the pattern to be formed, and exposing the dry film light resistance layer by the photomask; removing light resistance which can be dissolved in a developing way by means of developing to remain the light resistance which can not be dissolved in a developing way so as to form into a light resistance protecting layer; removing the film layer which is not covered by the light resistance protecting layer by sand spraying and etching of the sand spraying device; and removing the light resistance protecting layer, and forming the pattern of the film layer on the base plate.
Description
technical field [0001] The present invention relates to blasting devices, and to methods of forming patterns using blasting devices. Background technique [0002] The sandblasting of the sandblasting device uses physical collision to cut the workpiece, which is often used for cleaning and decontamination, so that the surface of the workpiece has a certain degree of cleanliness and roughness. A sandblasting device in the prior art has a nozzle through which sand particles are sprinkled onto the workpiece surface. The grit has an anisotropic physical etching effect on the workpiece. [0003] As today's workpieces become more and more precise, the area to be machined is getting smaller and smaller. However, as the grit is sprayed through the nozzle, it is spread over a wider area, ie the spray area may be 2-3 times larger than the nozzle size. Therefore, it is difficult to apply sandblasting to the field of precision machining. Contents of the invention [0004] In view o...
Claims
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IPC IPC(8): B24C3/02B24B5/00B24C1/04
Inventor 许嘉麟
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD