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Thermally-conductive silicon grease coating device

A technology of coating device and heat-conducting silicone grease, which is applied in the direction of rotary printing machine, printing machine, printing machine, etc., can solve the problems of high manufacturing cost, few types of modules, and non-replaceable stencil, so as to avoid working hours and station, saving production space, and improving coating efficiency

Inactive Publication Date: 2014-02-05
RENERGY ELECTRIC TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The coating with higher quality is screen printing stencil coating, but its tooling is usually only designed for one of the modules, and its stencil is not replaceable, and often a module is equipped with a stencil and a set of tooling , this kind of scheme is suitable for the production mode with few types of modules and large batches; for the production mode with many varieties and small batches, if each model is equipped with a tooling, the manufacturing cost is relatively high

Method used

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0021] like figure 1 and figure 2 As shown, the thermal conductive silicone grease coating device of the present invention includes a main body frame 6, a screen printing screen 1, a screen printing screen support 3 and a module support 8; the screen printing screen 1 is inserted into the screen printing screen support 3; The module support 8 is fixed on the main frame 6; the main frame 6 and the screen printing screen support 3 are connected as a whole through the pneumatic support rod 4 and the rotating shaft, and the pneumatic support rod realizes the support of the screen support and the main frame; the main body The outer end of the frame 6 is fitted with a locking lever 7 .

[0022] The module 5 is fixed on the module support 8, and the positioning key and the direction mark are used to realize the accurate positioning of the module sup...

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Abstract

The invention discloses a thermally-conductive silicon grease coating device which comprises a main body frame, a silk screen net plate, a silk screen net plate support and a mould block support. The silk screen net plate is inserted into the silk screen net plate support, the mould block support is fixed on the main body frame, the mould block support is fixed with mould blocks which are matched with the silk screen net plate, the silk screen net plate comprises at least one silk screen, and the mould blocks and the silk screens are identical in number and are matched in position. The thermally-conductive silicon grease coating device has the advantages that the silk screen net plate and the mould block support can be replaced, so that the thermally-conductive silicon grease coating device is suitable for thermally-conductive silicon grease coating of various mould blocks; in addition, multiple different silk screens are integrated on one silk screen net plate, and multiple mould blocks can be coated each time, so that the device is especially suitable for simultaneous coating of IGBTs (insulated gate bipolar transistor) of various types, working time and workstations for replacing a coating tool are avoided, consumption of thermally-conductive silicon grease is reduced, production space is saved, coating efficiency, coating quality and coating uniformity are greatly improved, and product quality is improved.

Description

technical field [0001] The invention relates to a coating device; in particular, it relates to a thermal conductive silicone grease coating device with a heat dissipation substrate. Background technique [0002] At present, there are mainly two methods of coating thermal conductive silicone grease, roller printing and screen printing. [0003] (1) Roller printing is to use a special roller and dip it in thermal conductive silicone grease, roll it repeatedly on the IGBT heat dissipation substrate, then visually check whether it is fully coated, and finally install it on the radiator. This coating method has extremely poor controllability. Covering thickness and quality are extremely difficult to guarantee. [0004] (2) Screen printing Screen printing mainly includes screen design, tooling production and coating. First calculate the amount of thermal conductive silicone grease based on the IGBT heat dissipation substrate, and then design the size and distribution of the open...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F15/08B41F15/36
Inventor 姚旭李静
Owner RENERGY ELECTRIC TIANJIN
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