Liquid glue jointing method for double-station touch screen
A technology of liquid glue and touch screen, which is applied in the direction of chemical instruments and methods, layered products, lamination devices, etc. It can solve the problems of air bubbles, affecting product quality, and prone to malfunction of the touch screen, so as to reduce waste and save production costs Effect
Active Publication Date: 2015-03-18
KUNSHAN SAMON AUTOMATION TECH
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Problems solved by technology
[0002] At present, in the usual touch screen bonding process, due to the limitation of operating conditions, it is easy to cause air bubbles when the upper substrate and the lower substrate are bonded, and these air bubbles will change the medium between the upper substrate and the lower substrate. The touch screen is prone to malfunction during use, which has a great impact on the stability of the touch screen
At the same time, although the dispensing amount of the dispensing device can be preset before the substrate is bonded, it is still inevitable that there will be glue overflow during the bonding process, resulting in a lot of residual glue on the surrounding edges of the touch screen, which affects the quality of the product. quality
Method used
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[0019] In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below.
[0020] The invention provides a double-station touch screen liquid glue bonding method, comprising:
[0021] Step 1. Preset the dispensing graphics and the outflow of liquid glue through the touch screen dispensing controller;
[0022] Step 2, place the upper substrate and the lower substrate on the corresponding upper and lower mounting platforms respectively, start the vacuum adsorption device, and fix and absorb the upper and lower substrates;
[0023] Step 3, the dispensing device moves to the dispensing position under the drive of the second servo motor, and dispenses the upper substrates of the left station and the right station according to the preset dispensing pattern, and the upper set Driven by the first servo motor, the platfo...
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The invention relates to a jointing method and especially relates to a liquid glue jointing method for a double-station touch screen. The liquid glue jointing method is characterized by comprising the following steps: presetting a spot-gluing pattern and an outflow volume of liquid glue; respectively placing an upper substrate and a lower substrate onto corresponding upper loading platform and a lower loading platform; fixedly absorbing the upper substrate and the lower substrate through a vacuum absorbing device; moving a spot-gluing device to a spot-gluing position for performing spot-gluing; downward turning the upper loading platform for 180 degrees under the driving of a first servo motor, moving to a jointing position, starting a vacuum airtight system for vacuumizing and jointing the upper substrate with the lower substrate, and guiding the redundant liquid glue to flow into an overflow area; transferring the jointed upper substrate to the lower loading platform; pre-curing the substrate for 1-2 min by a horizontal pre-curing system; further heating and curing the pre-cured substrate for 10-30 min; and cooling the substrate. According to the jointing method provided by the invention, the air bubbles generated during the jointing process of substrate are reduced, the glue overflow is effectively controlled and the jointing quality is increased.
Description
technical field [0001] The invention relates to a bonding method, in particular to a liquid glue bonding method for a double-station touch screen. Background technique [0002] At present, in the usual touch screen bonding process, due to the limitation of operating conditions, it is easy to cause air bubbles when the upper substrate and the lower substrate are bonded, and these air bubbles will change the medium between the upper substrate and the lower substrate. The touch screen is prone to misoperation during use, and has a great influence on the stability of the touch screen. At the same time, although the dispensing amount of the dispensing device can be preset before the substrate is bonded, it is still inevitable that there will be glue overflow during the bonding process, resulting in a lot of residual glue on the surrounding edges of the touch screen, which affects the quality of the product. quality. Contents of the invention [0003] The purpose of the invent...
Claims
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IPC IPC(8): B32B37/12
Inventor 林少渊
Owner KUNSHAN SAMON AUTOMATION TECH