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Gluing device

A gluing device and gluing technology, which are applied in the directions of injection devices, liquid injection devices, instruments, etc., can solve the problems of glue material dripping, affecting the cleanliness of stage flatness and panel, and achieve the effect of simple structure and operation.

Active Publication Date: 2019-12-24
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is not cleaned in time, the glue may drip on the working platform (stage) or the cover of the display panel when the nozzle moves, which will affect the flatness of the stage and the cleanliness of the panel.

Method used

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Embodiment Construction

[0031] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0032] The present invention provides a gluing device. The first embodiment of the gluing device of the present invention includes a rubber hose 10, a nozzle 20 disposed on the rubber hose 10, and reciprocating in the rubber hose 10 corresponding to the upper and lower sides of the nozzle 20. A moving piston 30, and a stretching member 40 that drives the piston 30 to move;

[0033] Specifically, the rubber hose 10 includes a side wall 13, a channel 18 surrounded by the side wall 13, and a glue-containing side end wall 141 and a blank side end wall 142 respectively located at both ends of the channel 18 and connected to the side wall 13. 2 is located on the side wall 13, and the piston 30 is located in the channel 18.

[0034] Wherein, the siz...

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Abstract

The invention provides a glue coating device. The glue coating device comprises a glue pipe, a nozzle, a piston and a stretching piece, wherein the nozzle is arranged on the glue pipe, the piston reciprocates, corresponding to the upper portions of the two sides of the nozzle, in the glue pipe, and the stretching piece drives the piston to move. The size of the piston is set to be tightly attachedto the side wall in the glue pipe and suitable for reciprocating in the glue pipe. The glue pipe is divided into a glue accommodating cavity and a blank cavity. A glue material inlet is formed in theglue accommodating cavity, the piston blocks the glue material in the glue accommodating cavity without entering the blank cavity, and during glue coating, the stretching part drives the piston to move towards the blank cavity, so that the nozzle communicates with the glue accommodating cavity in a guiding mode, and the glue material enters the nozzle. When the glue coating is stopped, the stretching part drives the piston to move to the glue accommodating cavity so that the nozzle communicates with the blank cavity in a guiding mode, and the glue material cannot enter the nozzle. Therefore,the glue material can be effectively prevented from dropping out of the nozzle due to gravity when the equipment is idle, and the problem that the smoothness of a worktable and the cleanliness of a panel are affected due to the fact that the glue material drops on the non-glue-coating area is solved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a glue applicator. Background technique [0002] Flat panel displays are widely used due to their thin body and low power consumption. Existing flat panel displays generally include Liquid Crystal Display (LCD) and Organic Light-Emitting Diode (OLED) displays. [0003] Liquid crystal displays have many advantages such as thin body, power saving, and no radiation, and have been widely used. Most of the liquid crystal display devices currently on the market are backlight liquid crystal display devices, which include a housing, a liquid crystal panel disposed in the housing, and a backlight module disposed in the housing. The working principle of the liquid crystal display panel is to place liquid crystal molecules between two parallel glass substrates, control the liquid crystal molecules to change direction by electrifying or not, and refract the light from the backlight module ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B9/047G02F1/1339
CPCB05B9/047G02F1/1339
Inventor 吴令恋
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD