Special tools for smt laser template stretching net coating surface adhesive layer
A technology of laser templates and special tools, which is applied in coatings and devices for coating liquids on the surface, etc., can solve the problems of labor-consuming and time-consuming masking tapes, large consumption of masking tapes, and different widths of surface adhesive layers. Achieve the effect of improving production efficiency, preventing mesh degumming effect, and uniform and consistent thickness
Active Publication Date: 2016-12-21
天津光韵达光电科技有限公司
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Problems solved by technology
[0005] The present invention discloses an SMT laser template stretching net to coat the surface glue layer in order to solve the technical problems of labor-intensive and time-consuming pasting of the masking tape in the existing surface glue layer coating process, large consumption of masking tape and uneven width of the surface glue layer. special tool for
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[0015] Below in conjunction with embodiment further illustrate the present invention.
[0016] Such as figure 1 , 2 In the shown embodiment, the main body of this special tool is composed of a handle 1 and a scraper 2 connected to the bottom end of the handle. One side of the scraper 2 is provided with a baffle 3 perpendicular to the scraper. The width of the bottom end 2-1 of the scraper is equal to that of the rubber layer width.
[0017] The baffle 3 is provided with a protrusion 3-1 relative to the bottom end 2-1 of the scraper.
[0018] The baffle plate 3 is provided with a glue return plate 4 with a width of 1 / 4 to 1 / 3 of the width of the bottom end of the scraper 2-1 on the side corresponding to the scraper 2, and the bottom end of the glue return plate is connected to the bottom end of the scraper. There is an angle f of 15--30° between the glue return plate and the scraper surface.
[0019] The glue return plate 4 of the embodiment is provided with a flange 4-1 jo...
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The invention relates to a special tool for coating a face gluing layer on a stretching net of a surface mount technology (SMT) laser template. The special tool is characterized in that a main body is formed by a handle and a scraper plate connected with the bottom end of the handle. The width of the bottom end of the scraper plate is equal to the width of the face gluing layer, a baffle is arranged on one side of the scraper plate and is provided with a protruding portion protruding relative to the bottom end of the scraper plate, a glue liquid backflow plate is arranged on one side of the baffle corresponding to the scraper plate, and the width of the glue liquid backflow plate is 1 / 4-1 / 3 of that of the bottom end of the scraper plate. The bottom end of the glue liquid backflow plate is connected with the bottom end of the scraper plate, and an included angle of 15-30 degrees is formed between the glue liquid backflow plate and the plate face of the scraper plate. The baffle and the protruding portion of the special tool enable the scraper plate to be located at the position of the gauze face gluing layer, and the width of the bottom end of the scraper plate is the width of the face gluing layer, so that the width of the face gluing layer formed by the tool is consistent. The glue liquid backflow plate enables glue liquid gathering at the bottom end of the scraper plate to flow to the upper portion of the scraper plate along the surface and then flow back to a glue feeding area to enable the thickness of the face gluing layer to be consistent. The special tool has the advantages of removing working procedures of manual bonding of beautiful line adhesive tapes and remarkably improving production efficiency.
Description
technical field [0001] The invention belongs to the manufacture of SMT laser templates, in particular to a special tool for SMT laser template stretching and coating surface adhesive layers. Background technique [0002] The net yarn and the net frame in the tense state of the SMT laser template are glued and fixed with resin glue, and the adhesive fixation is realized by the primer layer coated on the net frame and the top glue layer coated on the peripheral surface of the net yarn. [0003] In the existing process of coating the surface adhesive layer, in order to prevent the resin glue from sticking to the non-adhesive area of the mesh and the side of the screen frame, it is necessary to manually paste masking tape on the edge of the non-adhesive area of the mesh and the side of the screen frame. Peel off the masking tape after the adhesive layer is applied. [0004] The above-mentioned surface adhesive layer coating process has the following obvious defects: 1) Pa...
Claims
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IPC IPC(8): B05C17/10B05C11/02B05C11/10
Inventor 王祖政
Owner 天津光韵达光电科技有限公司