CN216910877U

CN216910877U - Adhesive deposite device is used in liquid crystal display production

Info

Publication number: CN216910877U
Application number: CN202123148452.9U
Authority: CN
Inventors: 余清阳
Original assignee: Shenchao Photoelectric Technology Heyuan Co ltd
Current assignee: Shenchao Photoelectric Technology Heyuan Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-08
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a dispensing device for liquid crystal display screen production, which comprises a dispensing machine body, wherein the dispensing machine body comprises a base, a control box is fixedly connected to the upper side of the base, a bearing platform is fixedly connected to the upper side of the control box, a workbench is rotatably connected to the upper side of the bearing platform, fixing plates are arranged on two sides of the control box, a dispensing gun is arranged on one side of each fixing plate, a driving plate is arranged between the two fixing plates, the fixing plates are arranged on the lower sides of the driving plates, an electric push rod is fixedly connected to the lower sides of the fixing plates, a moving plate is fixedly connected to one end of the electric push rod, two clamping plates are arranged on the lower sides of the moving plates, a display screen body is arranged on the upper side of the workbench, and the clamping plates are arranged corresponding to the display screen body. According to the utility model, the display screen body can be fixed by arranging the movable plate and the clamping plate which can adjust the positions, so that the phenomenon that the box thickness of the display screen body is changed in the dispensing process to form a rainbow phenomenon to influence the yield is avoided.

Description

Dispensing device is used in liquid crystal display production

Technical Field

The utility model relates to the field of liquid crystal display screen production devices, in particular to a dispensing device for liquid crystal display screen production.

Background

At present, liquid crystal display mainly adopts two glass as the base plate, sets up drive circuit on glass substrate upside to utilize the UV to glue and make fixing between the two, its design is generally square and parallel with glass substrate's edge, inserts metal pin and adds the UV and glues the back, during the space of two glass substrate of infiltration of UV glue, its benefit is that production is simple and the dead time is quick. However, the shrinkage rate of the UV glue is generally large, so that the glass substrate is easily deformed, and the UV glue shrinks after being cured, so that the cell thickness of the liquid crystal layer is changed after the UV glue shrinks, a rainbow phenomenon is formed, the yield is influenced, and a defective product is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a glue dispensing device for producing a liquid crystal display screen, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a dispensing device is used in liquid crystal display production, includes the point gum machine body, the point gum machine body includes the base, the upside fixedly connected with control box of base, the upside fixedly connected with bearing platform of control box, the upside of bearing platform rotates and is connected with the workstation, the both sides of control box all are equipped with first fixed plate, one side of first fixed plate is equipped with the point gum rifle, two be equipped with the drive plate between the first fixed plate, the downside of drive plate is equipped with the second fixed plate, the downside fixedly connected with electric putter of second fixed plate, electric putter's one end fixedly connected with movable plate, the downside of movable plate is equipped with two splint, the upside of workstation is equipped with the display screen body, splint correspond the setting with the display screen body.

Preferably, one of them one side of first fixed plate is equipped with first spout, one side and the first spout sliding connection of drive plate, the inside of drive plate is equipped with the drive chamber, the inner wall both sides in drive chamber rotate jointly and are connected with the threaded rod, the tank bottom of first spout is equipped with the first groove of dodging, the threaded rod with first dodge the groove and correspond the setting.

Preferably, the one end of threaded rod is rotated and is connected with the limiting plate, one side fixedly connected with motor of limiting plate, the main shaft end of motor pass the limiting plate and with threaded rod fixed connection, two spacing of one side fixedly connected with of limiting plate, its one side of first fixed plate is equipped with two spacing grooves, the spacing groove corresponds setting and sliding connection with spacing.

Preferably, a second sliding groove is formed in one side of the other first fixing plate, a fixing column is fixedly connected to one side of the driving plate, and the fixing column is connected with the second sliding groove in a sliding mode.

Preferably, the one end of fixed column is equipped with the screw hole, screw hole female connection has the screw thread post, the tank bottom of second spout is equipped with the second and dodges the groove, the screw thread post dodges the corresponding setting in groove with the second, the outside rotation of screw thread post is connected with the gasket.

Preferably, the driving cavity is internally and slidably connected with a sliding block, the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block, a through groove is formed in the lower side of the driving cavity, a connecting block is fixedly connected between the sliding block and the second fixing plate, and the connecting block and the through groove are correspondingly arranged and slidably connected.

Preferably, four guide rods are fixedly connected to the lower side of the second fixing plate, and the guide rods penetrate through the moving plate and are slidably connected with the moving plate.

Preferably, the lower side of the moving plate is fixedly connected with two vertical plates, a bidirectional screw rod is rotatably connected between the two vertical plates, a sinking groove is formed in the lower side of the moving plate, the clamping plate is slidably connected with the sinking groove, and the bidirectional screw rod penetrates through the clamping plate and is in threaded connection with the clamping plate.

The utility model has the advantages that: the dispensing device for producing the liquid crystal display screen, provided by the utility model, can fix the display screen body by arranging the movable plate and the clamping plate which can adjust the positions, so that the phenomenon that the box thickness of the display screen body is changed in the dispensing process to form a rainbow phenomenon to influence the yield is avoided.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view of FIG. 1 at B;

fig. 4 is a partially enlarged view of fig. 1 at C.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-4, the dispensing device for producing a liquid crystal display provided by the present invention comprises a dispensing machine body 1, the dispensing machine body 1 comprises a base 11, the base 11 is used for providing a supporting effect, the upper side of the base 11 is fixedly connected with a control box 12, the control box 12 is used for controlling various electronic devices, the upper side of the control box 12 is fixedly connected with a supporting platform 13, the upper side of the supporting platform 13 is rotatably connected with a worktable 14, both sides of the control box 12 are provided with first fixing plates 15, one side of the first fixing plate 15 is provided with a dispensing gun 16, a hose is connected between the dispensing gun 16 and the control box 12 for conveying UV glue, a driving plate 2 is arranged between the two first fixing plates 15, the lower side of the driving plate 2 is provided with a second fixing plate 3, the lower side of the second fixing plate 3 is fixedly connected with an electric push rod 31, one end of the electric push rod 31 is fixedly connected with a moving plate 4, four guide rods 32 are fixedly connected to the lower side of the second fixing plate 3, rubber pads are arranged at the bottom ends of the guide rods 32, scratch on the surface of the workbench 14 can be avoided, the guide rods 32 penetrate through the movable plate 4 and are slidably connected with the movable plate 4, the electric push rod 31 can change the height of the movable plate 4, two clamping plates 5 are arranged on the lower side of the movable plate 4, a display screen body 6 is arranged on the upper side of the workbench 14, the clamping plates 5 are arranged corresponding to the display screen body 6, the display screen body 6 comprises a lower base plate 61, a driving circuit is arranged on the upper side of the lower base plate 61, a rubber frame 62 is arranged on the outer side of the driving circuit, an upper base plate 63 is arranged on the upper side of the rubber frame 62, UV glue is dotted on the outer wall of the display screen body 6 and is used for fixing the four, the specific process is the prior art and is not described herein, the clamping plates 5 are used for clamping the outer walls of the upper base plate 63 and the

rubber frames

62, 61, thereby provide holding power to it, cause the thickness change of display screen body 6 when avoiding the shrink of UV glue, and then form the rainbow phenomenon and make the yield reduce.

One side of one of the first fixing plates 15 is provided with a second sliding groove 152, one side of the driving plate 2 is fixedly connected with a fixing column 25, the fixing column 25 is in sliding connection with the second sliding groove 152, one end of the fixing column 25 is provided with a threaded hole 251, the threaded hole 251 is in threaded connection with a threaded column 26, the bottom of the second sliding groove 152 is provided with a second avoidance groove, the threaded column 26 is arranged corresponding to the second avoidance groove, the outer side of the threaded column 26 is rotatably connected with a gasket 261, one side of the other first fixing plate 15 is provided with a first sliding groove 151, one side of the driving plate 2 is in sliding connection with the first sliding groove 151, the driving plate 2 is internally provided with a driving cavity 21, two sides of the inner wall of the driving cavity 21 are rotatably connected with a threaded rod 22 together, the bottom of the first sliding groove 151 is provided with a first avoidance groove, the threaded rod 22 is arranged corresponding to the first avoidance groove, the first sliding groove 151 and the second sliding groove 152 are also correspondingly arranged, when the threaded column 26 is rotated, when unscrewing the threaded column 26 from the threaded hole 251, the gasket 261 does not extrude the outside of the first fixing plate 15, at this time, the drive plate 2 can slide along the directions of the first sliding groove 151 and the second sliding groove 152, and when screwing the threaded column 26 into the threaded hole 251, the gasket 261 is tightly attached to the outside of the first fixing plate 15, so that the drive plate 2 cannot move, the drive plate 2 is fixed, and meanwhile, the position of the drive plate 2 is also conveniently adjusted.

One end of the threaded rod 22 is rotatably connected with a limit plate 23, one side of the limit plate 23 is fixedly connected with a motor 24, the end head of a main shaft of the motor 24 penetrates through the limit plate 23 and is fixedly connected with the threaded rod 22, one side of the limit plate 23 is fixedly connected with two limit strips 231, one side of the first fixing plate 15 is provided with two limit grooves, the limit grooves are correspondingly arranged with the limit strips 231 and are in sliding connection, the limit plate 23 can only move along the direction of the limit grooves by arranging the limit strips 231 on one side of the limit plate 23, the limit plate 23 is prevented from rotating, a slide block 27 is slidably connected in the driving cavity 21, the threaded rod 22 penetrates through the slide block 27 and is in threaded connection with the slide block 27, the lower side of the driving cavity 21 is provided with a through groove 211, a connecting block 28 is fixedly connected between the slide block 27 and the second fixing plate 3, the connecting block 28 is correspondingly arranged with the through groove 211 and is in sliding connection, and the motor 24 is started, the motor 24 drives the threaded rod 22 to rotate, so that the sliding block 27 moves in the driving cavity 21 in a threaded screwing mode, the sliding block 27 drives the second fixing plate 3 to move together through the connecting block 28, and the second fixing plate 3 drives the moving plate 4 to move together, so that the action positions of the two clamping plates 5 are changed.

Two risers 41 of downside fixedly connected with of movable plate 4, it is connected with two-way lead screw 42 to rotate between two risers 41, the downside of movable plate 4 is equipped with heavy groove 43, splint 5 and heavy groove 43 sliding connection, two-way lead screw 42 pass splint 5 and with splint 5 threaded connection, two splint 5 set up respectively at the both ends of two-way lead screw 42, heavy groove 43 can play limiting displacement to splint 5, avoid splint 5 to follow two-way lead screw 42 and rotate jointly, one side fixedly connected with block rubber of splint 5, can play the effect of buffering, avoid causing the damage to the outer wall of display screen body 6, through rotating the commentaries on classics handle of two-way lead screw 42 one side, can make two splint 5 be close to each other or keep away from with the mode of screw precession, thereby realize pressing from both sides tightly or unclamping display screen body 6.

When the glue dispensing machine is used, a display screen body 6 to be subjected to glue dispensing is placed on the upper side of the workbench 14, the position of the driving plate 2 is adjusted to enable the clamping plates 5 to correspond to the position of the display screen body 6, the electric push rod 31 is started to push the movable plate 4 and the clamping plates 5 down, and the rotating handle on one side of the two-way screw rod 42 is rotated, so that the two clamping plates 5 can be close to each other in a screw thread precession mode to clamp two sides of the display screen body 6, glue can be dispensed on the outer walls, which are not shielded, of the other two sides of the display screen body 6 by using the glue dispensing gun 16, the clamping plates 5 are used for clamping the outer walls of the upper base plate 63 and the glue frame 62 and the lower base plate 61 so as to provide supporting force for the glue dispensing machine, the thickness change of the display screen body 6 caused by the contraction of UV glue is avoided, the yield is reduced due to rainbow phenomenon, after the glue dispensing is finished, the display screen body 6 is loosened, and the workbench 14 is rotated, the glued two sides are clamped by the clamping plate 5 again, and the other two sides are glued, so that the glue gluing is more uniform.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a glue dispensing device is used in liquid crystal display production, includes point gum machine body (1), its characterized in that: the glue dispenser body (1) comprises a base (11), a control box (12) is fixedly connected to the upper side of the base (11), a bearing table (13) is fixedly connected to the upper side of the control box (12), a workbench (14) is rotatably connected to the upper side of the bearing table (13), first fixing plates (15) are arranged on two sides of the control box (12), a glue dispensing gun (16) is arranged on one side of each first fixing plate (15), a driving plate (2) is arranged between the two first fixing plates (15), a second fixing plate (3) is arranged on the lower side of each driving plate (2), an electric push rod (31) is fixedly connected to the lower side of each second fixing plate (3), a movable plate (4) is fixedly connected to one end of each electric push rod (31), two clamping plates (5) are arranged on the lower side of each movable plate (4), a display screen body (6) is arranged on the upper side of each workbench (14), the clamping plate (5) is arranged corresponding to the display screen body (6).

2. The dispensing device for producing the liquid crystal display screen according to claim 1, wherein: one of them one side of first fixed plate (15) is equipped with first spout (151), one side and first spout (151) sliding connection of drive plate (2), the inside of drive plate (2) is equipped with drive chamber (21), the inner wall both sides of drive chamber (21) rotate jointly and are connected with threaded rod (22), the tank bottom of first spout (151) is equipped with the first groove of dodging, threaded rod (22) and the first groove of dodging correspond the setting.

3. The dispensing device for producing the liquid crystal display screen according to claim 2, wherein: the one end of threaded rod (22) is rotated and is connected with limiting plate (23), one side fixedly connected with motor (24) of limiting plate (23), the main shaft end of motor (24) pass limiting plate (23) and with threaded rod (22) fixed connection, two spacing (231) of one side fixedly connected with of limiting plate (23), its one side of first fixed plate (15) is equipped with two spacing grooves, the spacing groove corresponds setting and sliding connection with spacing (231).

4. The dispensing device for producing the liquid crystal display screen according to claim 1, wherein: a second sliding groove (152) is formed in one side of the other first fixing plate (15), a fixing column (25) is fixedly connected to one side of the driving plate (2), and the fixing column (25) is connected with the second sliding groove (152) in a sliding mode.

5. The dispensing device for producing the liquid crystal display screen according to claim 4, wherein: one end of the fixing column (25) is provided with a threaded hole (251), the threaded hole (251) is connected with a threaded column (26) in an internal thread mode, a second avoiding groove is formed in the bottom of the second sliding groove (152), the threaded column (26) and the second avoiding groove are correspondingly arranged, and a gasket (261) is rotationally connected to the outer side of the threaded column (26).

6. The dispensing device for producing the liquid crystal display screen according to claim 2, wherein: drive chamber (21) sliding connection has slider (27), threaded rod (22) pass slider (27) and with slider (27) threaded connection, the downside in drive chamber (21) is equipped with logical groove (211), fixedly connected with connecting block (28) between slider (27) and second fixed plate (3), connecting block (28) correspond with logical groove (211) and set up and sliding connection.

7. The dispensing device for producing the liquid crystal display screen according to claim 1, wherein: the lower side of the second fixing plate (3) is fixedly connected with four guide rods (32), and the guide rods (32) penetrate through the moving plate (4) and are in sliding connection with the moving plate (4).

8. The dispensing device for producing the liquid crystal display screen according to claim 1, wherein: the lower side of the moving plate (4) is fixedly connected with two vertical plates (41), two-way screw rods (42) are rotatably connected between the vertical plates (41), a sinking groove (43) is formed in the lower side of the moving plate (4), the clamping plate (5) is slidably connected with the sinking groove (43), and the two-way screw rods (42) penetrate through the clamping plate (5) and are in threaded connection with the clamping plate (5).