Auxiliary clamping gluing device for liquid crystal screen production

Abstract

The utility model relates to the field of liquid crystal screen gluing devices, in particular to an auxiliary clamping gluing device for liquid crystal screen production. The gluing device aims at solving the technical problem that in the prior art, glue is splashed to the periphery of a liquid crystal screen during gluing, and the quality of the liquid crystal screen is affected. The utility model discloses an auxiliary clamping gluing device for liquid crystal screen production. The auxiliary clamping gluing device comprises an operation table, a reciprocating motion conveying belt and a clamping assembly, the edge of the liquid crystal screen is clamped bidirectionally and stably through the clamping assembly to wait for gluing, the gluing area of the liquid crystal screen is isolated through the anti-overflow assembly, the gluing assembly conducts constant-speed gluing on the isolated area, the gluing position and range can be controlled more accurately, it is guaranteed that only the area needing gluing is covered with gluing, and the gluing efficiency is improved. And meanwhile, the isolation area of the anti-overflow assembly is adjustable, so that the anti-overflow assembly is convenient to adapt to liquid crystal screens of various different models.

Description

Technical Field

[0001] The utility model relates to the field of liquid crystal screen glue coating devices, in particular to an auxiliary clamping glue coating device for liquid crystal screen production. Background Art

[0002] Liquid crystal display is a type of flat panel display, used for screen display of televisions and computers. The display is an I / O device of the computer, that is, an input and output device. It is a display tool that displays certain electronic files on the screen through a specific transmission device and then reflects them to the human eye. The advantages of this display are low power consumption, small size and low radiation.

[0003] However, during the gluing process of LCD screen production, whether it is liquid glue or gel glue, the gluing device may splash around the LCD screen when it falls and contacts the LCD screen, which may easily cause excess glue to adhere to the frame or the side of the frame, requiring manual inspection and cleaning, which not only reduces production efficiency but also affects the quality of the LCD screen. Utility Model Content

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an auxiliary clamping glue coating device for LCD screen production, which is intended to solve the technical problem that glue splashes around the LCD screen during coating in the prior art, affecting the quality of the LCD screen.

[0005] The technical solution of the utility model is: a glue coating device for auxiliary clamping of liquid crystal screen production, comprising an operating table, a reciprocating conveyor belt, a clamping component, a lifting structure, an anti-overflow component, and a glue coating component; a reciprocating conveyor belt for driving the liquid crystal screen forward and backward is installed on the inner side of the operating table; a clamping component for stabilizing and clamping the liquid crystal screen from the side of the liquid crystal screen is installed on the rear side of the upper end of the operating table; a lifting structure is fixedly connected to the upper end of the operating table; an anti-overflow component for preventing the glue from overflowing to the outside of the liquid crystal screen during coating is fixedly connected to the front end of the lifting structure; a glue coating component for evenly distributing glue is installed on the upper end of the inner side of the anti-overflow component.

[0006] Preferably, in the first step, the LCD screen is placed on the upper end of the reciprocating conveyor belt of the operating table, and the reciprocating conveyor belt drives the LCD screen to move to the gluing operation area; in the second step, the LCD screen is clamped in both directions by the clamping component, which stably clamps the edge of the LCD screen and waits for gluing; in the third step, the lifting structure controls the front end of the anti-overflow component and the gluing component to move downward synchronously, the anti-overflow component isolates the gluing area of ​​the LCD screen, and the gluing component applies glue at a uniform speed in the isolated area, which can more accurately control the position and range of the glue application, ensure that the glue only covers the area where glue is needed, and avoid glue overflow problems; in the fourth step, the isolation area of ​​the anti-overflow component is adjustable, which is convenient for adapting to a variety of different models of LCD screens.

[0007] Preferably, the clamping assembly includes an installation box, a drive motor, a bidirectional screw and a threaded sleeve, a clamping arm and an anti-slip pad; a drive motor is arranged at the right end of the installation box; when the LCD screen moves to the gluing operation area, the drive motor on the side of the installation box starts to start, controlling the bidirectional screw and the threaded sleeve to start running.

[0008] Preferably, a bidirectional screw and a threaded sleeve are installed at the left end of the output shaft of the driving motor; a clamping arm is fixedly connected to the front end of the bidirectional screw and the threaded sleeve; an anti-slip pad is provided at the clamping end of the clamping arm; the two symmetrical clamping arms are linked to move inward synchronously, and the clamping arm with the anti-slip pad stably clamps the edge of the LCD screen, waiting for glue coating.

[0009] Preferably, the anti-overflow component includes a cover plate, a slide groove, a slide rod, a positioning hole, a positioning bolt and a baffle; baffles are provided at the front and back and at both ends of the cover plate; the isolation area of ​​the anti-overflow component is adjustable. When adjusting, the positioning bolts of the baffle in the direction to be adjusted are removed, the baffle is moved to the required position, and then the positioning bolts are inserted into the positioning holes of the slide groove and the slide rod to lock and position the baffle.

[0010] Preferably, a slide groove is fixedly connected to the upper end of the cover plate; a slide rod is fixedly connected to the upper end of the baffle plate; the slide rod and the slide groove are slidably connected; positioning holes are provided at the upper ends of the slide rod and the slide groove; the positioning holes are locked with adjacent positioning holes by positioning bolts; and it is easy to adapt to a variety of different models of LCD screens.

[0011] Preferably, the gluing assembly includes a transmission motor, a linear drive threaded rod, a movable seat, a gluing head and a glue input pipe; a linear drive threaded rod is installed at the rear end of the transmission motor output shaft; a movable seat with a threaded sleeve is transmission-connected to the outer side of the linear drive threaded rod; the glue input pipe is connected to the external glue pipe, and the glue is input into the gluing head for gluing.

[0012] Preferably, a glue coating head is fixedly connected to the lower end of the movable seat; a glue input pipe connected to the glue coating head is provided at the upper end of the movable seat; the transmission motor drives the linear drive threaded rod to rotate, and the movable seat on the outer side of the transmission translates along the groove path, so that the glue can be evenly distributed on the area on the surface of the LCD screen that needs to be coated.

[0013] Beneficial effects of the utility model:

[0014] The utility model adopts bidirectional clamping by the clamping component to stably clamp the edge of the LCD screen while waiting for glue coating, and isolates the glue coating area of ​​the LCD screen by the anti-overflow component. The glue coating component coats glue at a uniform speed in the isolated area, which can more accurately control the position and range of the glue coating, ensuring that the glue coating only covers the area that needs glue coating, avoiding the problem of glue overflow, and at the same time, the isolation area of ​​the anti-overflow component is adjustable, which is convenient for adapting to a variety of different models of LCD screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1What is shown is a three-dimensional structural schematic diagram of the glue coating device of the utility model;

[0016] Figure 2 Another three-dimensional structural schematic diagram of the gluing device of the utility model is shown;

[0017] Figure 3 Shown is a schematic diagram of the structure of the clamping assembly of the glue coating device of the utility model;

[0018] Figure 4 What is shown is a schematic diagram of the three-dimensional structure of the anti-overflow component and the glue coating component of the glue coating device of the utility model;

[0019] Figure 5 Shown is another three-dimensional structural schematic diagram of the anti-overflow component and the glue coating component of the glue coating device of the present invention.

[0020] Explanation of the accompanying drawings: 1. operating table; 2. reciprocating conveyor belt; 3. clamping assembly; 301. installation box; 302. driving motor; 303. bidirectional screw and threaded sleeve; 304. clamping arm; 305. anti-slip pad; 4. lifting structure; 5. anti-overflow assembly; 501. cover plate; 502. slide groove; 503. slide rod; 504. positioning hole; 505. positioning bolt; 506. baffle; 6. gluing assembly; 601. driving motor; 602. linear drive threaded rod; 603. moving seat; 604. gluing head; 605. glue input pipe. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-2 The utility model provides an embodiment: a glue coating device for auxiliary clamping of liquid crystal screen production, comprising an operating table 1, a reciprocating conveyor belt 2, a clamping component 3, a lifting structure 4, an anti-overflow component 5, and a glue coating component 6; a reciprocating conveyor belt 2 for driving the liquid crystal screen forward and backward is installed on the inner side of the operating table 1; a clamping component 3 for stabilizing and clamping the liquid crystal screen from the side of the liquid crystal screen is installed on the rear side of the upper end of the operating table 1; a lifting structure 4 is fixedly connected to the upper end of the operating table 1; an anti-overflow component 5 for preventing the glue from overflowing to the outside of the liquid crystal screen during coating is fixedly connected to the front end of the lifting structure 4; a glue coating component 6 for evenly distributing glue is installed on the upper inner end of the anti-overflow component 5.

[0023] See also Figure 3In this embodiment, the clamping assembly 3 includes an installation box 301, a driving motor 302, a bidirectional screw and a threaded sleeve 303, a clamping arm 304 and an anti-skid pad 305; a driving motor 302 is arranged at the right end of the installation box 301; when the LCD screen moves to the glue coating operation area, the driving motor 302 on the side of the installation box 301 starts to start, controls the bidirectional screw and the threaded sleeve 303 to start running, and a bidirectional screw and a threaded sleeve 303 are installed at the left end of the output shaft of the driving motor 302; a clamping arm 304 is fixedly connected to the front end of the bidirectional screw and the threaded sleeve 303; an anti-skid pad 305 is arranged at the clamping end of the clamping arm 304; the two symmetrical clamping arms 304 are linked to move inward synchronously, and the clamping arm 304 with the anti-skid pad 305 stably clamps the edge of the LCD screen, waiting for glue coating.

[0024] See also Figure 4-5 , in this embodiment, the overflow prevention component 5 includes a cover plate 501, a slide groove 502, a slide rod 503, a positioning hole 504, a positioning bolt 505 and a baffle 506; baffles 506 are provided at the front and back and left and right ends of the cover plate 501; the isolation area of ​​the overflow prevention component 5 is adjustable. When adjusting, the positioning bolt 505 of the baffle 506 in the direction to be adjusted is removed, the baffle 506 is moved to the required position, and then the positioning bolt 505 is inserted into the slide groove 502 and the positioning hole 504 of the slide rod 503 to lock and position the baffle 506. The upper end of the cover plate 501 is fixedly connected with the slide groove 502; the upper end of the baffle 506 is fixedly connected with the slide rod 503; the slide rod 503 and the slide groove 502 are slidably connected; the slide rod 503 and the upper end of the slide groove 502 are both provided with positioning holes 504; the positioning holes 504 and the adjacent positioning holes 504 are connected by positioning bolts 505 Locking; to facilitate adaptation to a variety of different types of LCD screens, the gluing component 6 includes a transmission motor 601, a linear drive threaded rod 602, a moving seat 603, a gluing head 604 and a glue input pipe 605; a linear drive threaded rod 602 is installed at the rear end of the output shaft of the transmission motor 601; a moving seat 603 with a threaded sleeve is connected to the outer side of the linear drive threaded rod 602; the glue input pipe 605 is connected to the external glue pipe, and the glue is input into the gluing head 604 for gluing, and the lower end of the moving seat 603 is fixedly connected with the gluing head 604; the upper end of the moving seat 603 is provided with a glue input pipe 605 connected to the gluing head 604; the transmission motor 601 drives the linear drive threaded rod 602 to rotate, and the moving seat 603 on the outer side of the transmission translates along the groove path, so that the glue can be evenly distributed on the surface of the LCD screen in the area where glue is required.

[0025] When working, the first step is to place the LCD screen on the upper end of the reciprocating conveyor belt 2 of the operating table 1, and the reciprocating conveyor belt 2 drives the LCD screen to move to the gluing operation area.

[0026] In the second step, the driving motor 302 on the side of the installation box 301 starts to start, controlling the bidirectional screw and the threaded sleeve 303 to start running, and linking the two symmetrical clamping arms 304 to move inward synchronously. The clamping arms 304 with anti-slip pads 305 stably clamp the edge of the LCD screen, and the LCD screen is bidirectionally symmetrically clamped by the clamping component 3 waiting for glue coating.

[0027] The third step is to connect the glue input tube 605 to the external glue tube and input the glue into the glue coating head 604. Then, the lifting structure 4 controls the anti-overflow component 5 and the glue coating component 6 at the front end to move downward synchronously. The anti-overflow component 5 isolates the gluing area of ​​the LCD screen. The transmission motor 601 drives the linear drive threaded rod 602 to rotate, and the moving seat 603 on the outside of the transmission performs translational gluing along the groove path. In this way, the glue can be evenly distributed on the surface of the LCD screen in the area where gluing is required, and the position and range of the gluing can be more accurately controlled to ensure that the glue only covers the area where gluing is required, avoiding the problem of glue overflow.

[0028] The fourth step is that the isolation area of ​​the overflow prevention component 5 is adjustable. When adjusting, remove the positioning bolt 505 of the baffle 506 in the direction to be adjusted, move the baffle 506 to the required position, and then insert the positioning bolt 505 into the positioning hole 504 of the slide groove 502 and the slide rod 503 to lock and position the baffle 506, so as to adapt to a variety of different models of LCD screens.

[0029] Through the above steps, the edge of the LCD screen is stably clamped by the clamping component 3 in both directions, waiting for glue coating, and the glue coating area of ​​the LCD screen is isolated by the anti-overflow component 5. The glue coating component 6 coats the glue at a uniform speed in the isolated area, which can more accurately control the position and range of the glue coating, ensuring that the glue only covers the area that needs to be coated, avoiding the problem of glue overflow. At the same time, the isolation area of ​​the anti-overflow component 5 is adjustable, which is convenient for adapting to a variety of different models of LCD screens.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A glue coating device for liquid crystal screen production with auxiliary clamping, comprising an operating table (1); characterized in that: The invention also comprises a reciprocating conveyor belt (2), a clamping component (3), a lifting structure (4), an anti-overflow component (5), and a glue coating component (6); a reciprocating conveyor belt (2) for driving the liquid crystal screen forward and backward is installed on the inner side of the operating table (1); a clamping component (3) for stabilizing and clamping the liquid crystal screen from the side of the liquid crystal screen is installed on the rear side of the upper end of the operating table (1); a lifting structure (4) is fixedly connected to the upper end of the operating table (1); an anti-overflow component (5) for preventing the glue from overflowing to the outside of the liquid crystal screen during glue coating is fixedly connected to the front end of the lifting structure (4); and a glue coating component (6) for evenly distributing glue is installed on the upper inner end of the anti-overflow component (5).

2. The auxiliary clamping glue coating device for LCD production according to claim 1, characterized in that: The clamping assembly (3) comprises a mounting box (301), a driving motor (302), a bidirectional screw and a threaded sleeve (303), a clamping arm (304) and an anti-slip pad (305); the driving motor (302) is arranged at the right end of the mounting box (301).

3. The auxiliary clamping glue coating device for LCD production according to claim 2, characterized in that: A bidirectional screw and a threaded sleeve (303) are installed at the left end of the output shaft of the driving motor (302); a clamping arm (304) is fixedly connected to the front end of the bidirectional screw and the threaded sleeve (303); and an anti-slip pad (305) is provided at the clamping end of the clamping arm (304).

4. The auxiliary clamping glue coating device for LCD production according to claim 1, characterized in that: The anti-overflow assembly (5) comprises a cover plate (501), a slide groove (502), a slide rod (503), a positioning hole (504), a positioning bolt (505) and a baffle plate (506); the baffle plates (506) are provided at the front and rear and left and right ends of the cover plate (501).

5. The auxiliary clamping glue coating device for LCD production according to claim 4, characterized in that: The upper end of the cover plate (501) is fixedly connected to a slide groove (502); the upper end of the baffle plate (506) is fixedly connected to a slide rod (503); the slide rod (503) and the slide groove (502) are slidably connected; positioning holes (504) are provided at the upper ends of the slide rod (503) and the slide groove (502); and the positioning holes (504) and adjacent positioning holes (504) are locked by positioning bolts (505).

6. The auxiliary clamping glue coating device for LCD production according to claim 1, characterized in that: The glue coating assembly (6) comprises a transmission motor (601), a linear drive threaded rod (602), a movable seat (603), a glue coating head (604) and a glue input pipe (605); the linear drive threaded rod (602) is installed at the rear end of the output shaft of the transmission motor (601); and the movable seat (603) with a threaded sleeve is transmission-connected to the outer side of the linear drive threaded rod (602).

7. The auxiliary clamping glue coating device for LCD production according to claim 6, characterized in that: The lower end of the movable seat (603) is fixedly connected to a glue coating head (604); the upper end of the movable seat (603) is provided with a glue input pipe (605) connected to the glue coating head (604).

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