An automatic laminating machine for processing membrane switches
A membrane switch and laminating machine technology, applied in the direction of electric switches, electrical components, circuits, etc., can solve the problems of deformation and deviation of the middle diaphragm 13, low yield rate, large air gap, etc., to reduce the carrying load and improve the finished product rate, energy-saving effect
Active Publication Date: 2022-03-11
天贵电子科技(深圳)有限公司
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Problems solved by technology
[0005] The prior art scheme in the above-mentioned has the following defects: the existing automatic laminating machine generally keeps the intermediate membrane 13 flat by the tension force of the intermediate membrane 13 itself when conveying the intermediate membrane 13, but because the intermediate membrane 13 and the surface of the workbench 1 There is a height difference, resulting in a large air gap, so the middle diaphragm 13 is easy to deform and shift when it is transported or bonded by shrapnel extrusion, and it is easy to cause the upper circuit chip 15 and the middle diaphragm 13 to shift and make the hole It cannot be calibrated with the conductive contact 152, or air bubbles are generated between the intermediate diaphragm 13 and the upper circuit sheet 15, which eventually leads to low yield
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[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0044] refer to figure 1 , 2 , is an automatic laminating machine for processing membrane switches disclosed in the present invention, including a workbench 1 and a transport mechanism 2 arranged on the workbench 1, and the workbench 1 is sequentially arranged along the conveying direction of the middle diaphragm 13 The adsorption mechanism 3 , the limit mechanism 4 , the bonding mechanism 5 for bonding the upper circuit sheet 15 and the intermediate diaphragm 13 , and the positioning mechanism 7 for positioning the intermediate diaphragm 13 .
[0045] refer to figure 1 , image 3 , the transport mechanism 2 includes a feed reel 21 (see figure 2 ), rotating the drive shaft 22 set on the workbench 1, the sliding sleeve 23 sleeved on the drive shaft 22, the drive wheel 25 coaxially fixed with the slide sleeve 23 and the stepper motor 26 set on the workbenc...
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The invention relates to an automatic laminating machine for processing membrane switches, and relates to the technical field of membrane switch processing, which includes a workbench and a transport mechanism arranged on the workbench, and the workbench is sequentially provided with adsorption devices along the transport direction of the middle diaphragm. Mechanism, limit mechanism and bonding mechanism; the adsorption mechanism includes an adsorption seat and a negative pressure source. There is a cavity in the adsorption seat and a plurality of air holes communicating with the cavity on the top plane, and the negative pressure source is connected to the cavity. , the top surface of the adsorption seat is provided with a particle layer, and the middle diaphragm is in contact with the particle layer during transportation; the limit mechanism includes a gasket set on the workbench and a limit piece set on the side of the gasket away from the workbench. One edge of the bit sheet extends above the middle septum. The invention has the effect of avoiding the offset between the upper circuit sheet and the middle diaphragm, making the alignment of the relief hole and the conductive contact impossible, or causing air bubbles between the middle diaphragm and the upper circuit sheet, thereby improving the yield.
Description
technical field [0001] The invention relates to the technical field of membrane switch processing, in particular to an automatic laminating machine for processing membrane switches. Background technique [0002] Electronic membrane switch is a new control system of electronic complete machine products that has become popular in the world in recent years, integrating decoration and functionality. It integrates switch buttons, panel function text, and transparent windows. It has many advantages: appearance Beautiful, small in size, thin in thickness, light in weight, and moisture-proof, dust-proof and oil-proof. [0003] refer to figure 1 , the existing membrane switch is mainly composed of a three-layer structure, that is, the upper circuit sheet 15, the middle diaphragm 13 and the lower circuit layer 16. Wherein, the upper circuit sheet 15 and the lower circuit layer 16 are distributed with conductive contacts 152; the middle diaphragm 13 is located between the upper and l...
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IPC IPC(8): H01H13/88H01H11/00
CPCH01H13/88H01H11/00
Inventor 久保田康天野公辅陈洪泽
Owner 天贵电子科技(深圳)有限公司