CN217111414U - Fixing device for display screen production test - Google Patents

Abstract

The utility model discloses a fixing device for a display screen production test, which comprises a support component, a fixing component and an induction control component. The fixing component includes two support columns, the inner middle of the support columns is fixedly connected with a servo electric cylinder, and the two support columns are fixedly connected with a servo electric cylinder. Guide rails are fixedly connected between the tops of the columns, sliders are slidably connected to both sides of the guide rails, connecting rods are fixedly connected to the bottom of the sliders, and push blocks are fixedly connected to the bottom of the connecting rods. When working, the position sensor senses the After the display screen reaches the position, the servo driver controls the servo electric cylinder to push the push block inward and fix it quickly. When the spring pressing force reaches the preset threshold, the servo driver controls the servo electric cylinder to stop pushing. After the test, the servo driver controls the servo electric cylinder. It shrinks to the outside and repeats in this way. According to the size of the display screen, the moving stop position of the servo electric cylinder can be automatically adjusted without the need for the staff to manually adjust and install and fix the display screen, thus improving the work efficiency.

Description

A fixture for display production testing

technical field

The utility model relates to the technical field of display screen production, in particular to a fixing device for display screen production testing.

Background technique

LED display: a flat panel display consisting of small LED module panels, LED, light-emitting diode, which is a display method by controlling semiconductor light-emitting diodes, made of compounds of gallium and arsenic, phosphorus, nitrogen, and indium The formed diode can radiate visible light when electrons and holes recombine, so it can be used to make light-emitting diodes, used as indicator lights in circuits and instruments, or to form text or digital displays. It needs to be tested. The display screen needs to use the fixing device during the test, but most of the fixing devices cannot be adjusted according to the size of the LED display screen. Even some fixing devices that can be adjusted in size are adjusted manually by the staff. And the manual installation and fixing test of the display screen is very low in operation efficiency. Therefore, a fixing device for the production test of the display screen is proposed.

Utility model content

The purpose of the present invention is to provide a fixing device for the production test of the display screen, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fixing device for production and testing of display screens, comprising a support component, a fixing component and an induction control component, the fixing component includes two supporting columns, and the inner side of the supporting column is The middle part is fixedly connected with a servo electric cylinder, the top of the two support columns is fixedly connected with a guide rail, the outer sliding sleeve of the guide rail is connected with two sliders, and the bottoms of the two sliders are fixedly connected with Connecting rod, the bottom of the connecting rod is fixedly connected with a push block, one side of the push block is fixedly connected to one end of the piston rod of the servo electric cylinder, and one side of the push block is provided with two first chute, so A second chute is provided in the middle of one side of the push block, the two first chute are located on the upper and lower sides of the second chute, and a sliding rod is slidably connected to the inside of the first chute, and the sliding rod A fixed block is fixedly connected to one end of the fixed block, and a spring is fixedly connected to the middle of the fixed block, and the spring is inserted into the inside of the second chute.

Preferably, the above-mentioned support assembly includes a No. 1 work surface and a No. 2 work surface, the tops of the No. 1 work surface and the No. 2 work surface are fixedly connected to the bottom of the support column, and the No. 1 work surface and the The two outer corners of the bottom of the No. 2 work surface are fixedly connected with support legs, the support legs at the corresponding positions are fixedly connected with horizontal braces, and the bottom of the No. 1 work surface is fixedly connected with a servo motor.

Preferably, bearings are fixedly connected to the front and rear ends of the opposite sides of the No. 1 work surface and the No. 2 work surface, and the No. 1 work surface and the No. 2 work surface are rotatably connected with two shafts through bearings.

Preferably, an idler roller is fixedly sleeved on the outside of the two rotating shafts, one end of one of the rotating shafts is fixedly connected to the output end of the servo motor, and a conveyor belt is rotatably connected to the outside of the idler roller, and the inner side of the conveyor belt is connected to the output end of the servo motor. The outer sides of the two idlers are tightly connected.

Preferably, the above-mentioned induction control assembly includes a position sensor, the position sensor is fixedly connected to the inner side of the support column, and the outer side of the support column is fixedly connected with a servo driver.

Preferably, a control button is provided on the top side of the above-mentioned No. 1 work surface, a pressure sensor is provided on the bottom of the second chute, and one side of the pressure sensor is in contact with one end of the spring.

Preferably, the electric control output end of the above-mentioned position sensor is electrically connected to the electric control input end of the servo electric cylinder and the servo motor through the servo driver, and the electric control output end of the pressure sensor is electrically connected to the electric control input end of the servo electric cylinder through the servo driver and the servo electric cylinder. The terminals are electrically connected, and the electric control output end of the control button is electrically connected with the electric control input end of the servo electric cylinder and the servo motor through the servo driver.

Compared with the prior art, the beneficial effect of the present utility model is that: when the position sensor senses that the display screen has reached the position, the servo driver controls the servo motor to stop, and simultaneously controls the servo electric cylinder to push the push block inward and fix it quickly, The spring squeezes the pressure sensor. When the squeeze force reaches the preset threshold, the servo driver controls the servo electric cylinder to stop pushing. After the test, press the control button, the servo driver controls the servo electric cylinder to shrink to the outside, and the servo driver controls the servo motor. Rotate to make the display screen enter the next process backwards. In this way, the moving stop position of the servo electric cylinder can be automatically adjusted according to the size of the display screen, without the need for the staff to manually adjust and manually install and fix the display screen. efficiency and productivity.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the vertical sectional structure schematic diagram of the utility model;

Fig. 3 is the cross-sectional structure schematic diagram of the utility model;

FIG. 4 is a schematic cross-sectional structural diagram of the push block and the fixing button of the present invention.

In the figure: 1. Supporting components; 11. No. 1 worktable; 12. Supporting legs; 13. Servo motor; 14. Rotating shaft; 15. Roller; 16. Conveyor belt; 17. Bearing; No. worktable; 2. Fixed component; 21. Support column; 22. Servo electric cylinder; 23. Guide rail; 24. Slider; 25. Connecting rod; 26. Push block; Chute; 29, fixed block; 210, slide bar; 211, spring; 3, induction control assembly; 31, position sensor; 32, servo driver; 33, pressure sensor; 34, control button.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to FIGS. 1-4 , the present invention provides a technical solution: a fixing device for display production and testing, comprising a support assembly 1 , a fixing assembly 2 and an induction control assembly 3 , the fixing assembly 2 includes two support columns 21 , The position sensor 31 is fixed on the inner side of the support column 21 by screws. The position sensor 31 is used to sense the position of the display screen. The outer side of the support column 21 is fixed with a servo driver 32 by screws. The electric control output end of the cylinder 22 and the position sensor 31 is electrically connected with the electric control input end of the servo electric cylinder 22 and the servo motor 13 through the servo driver 32 .

A guide rail 23 is fixed between the tops of the two support columns 21 by screws, and two sliders 24 are slidably sleeved on the outside of the guide rail 23. The bottoms of the two sliders 24 are welded with connecting rods 25, and the bottoms of the connecting rods 25 are welded There is a push block 26, the guide rail 23 plays the role of controlling the movement direction of the slider 24 and supporting the push block 26, one side of the push block 26 is fixedly connected to one end of the piston rod of the servo electric cylinder 22, and one side of the push block 26 is provided with two A first chute 27, a second chute 28 is opened in the middle of one side of the push block 26, the two first chute 27 are located on the upper and lower sides of the second chute 28, and the interior of the first chute 27 is slidably connected with The sliding rod 210, the opening position of the first sliding groove 27 and the end of the sliding rod 210 are all fixed with small bumps, so that the sliding rod 210 will not slide out from the inside of the first sliding groove 27, and one end of the sliding rod 210 is welded with a fixed Block 29, the middle of the fixed block 29 is welded with a spring 211, the spring 211 is inserted into the inside of the second chute 28, the bottom of the second chute 28 is provided with a pressure sensor 33, and one side of the pressure sensor 33 is in contact with one end of the spring 211 , the electric control output end of the pressure sensor 33 is electrically connected with the electric control input end of the servo electric cylinder 22 through the servo driver 32, and the pressure sensor 33 is used to sense the pressure of the spring 211, so as to control the piston rod of the servo electric cylinder 22 at any position stop.

Working principle: When working, after the position sensor 31 senses that the display screen reaches the position, the servo driver 32 controls the servo electric cylinder 22 to push the push block 26 inward, and the push block 26 is pushed by the spring 211 to make the fixed block 29 move inward together, The fixed block 29 stops moving after touching the display screen, and the push block 26 continues to move inward. When the pressure reaches the preset threshold, the servo driver 32 controls the servo electric cylinder 22 to stop pushing and maintain the clamping state. After the test, press the control button 34, and the servo driver 32 controls the servo electric cylinder 22 to reset. According to the size of the display screen, the moving stop position of the servo electric cylinder 22 is automatically adjusted, without the need for the staff to manually adjust and manually install and fix the display screen, thereby improving work efficiency and productivity;

The model of the position sensor 31 is IME12-04BPSZC0S;

The model of the pressure sensor 33 is DE XINGHAOWEI;

The servo drive 32 is of the type DA98.

Embodiment 2

Please refer to FIGS. 1-3 . The difference between this embodiment and the first embodiment is that the support assembly 1 includes a No. 1 work surface 11 and a No. 2 work surface 19 , and the top side of the No. 1 work surface 11 is provided with a control button 34 No. 1 The tops of the work surface 11 and the second work surface 19 are welded to the bottom of the support column 21, and the bottom outer corners of the first work surface 11 and the second work surface 19 are welded with support legs 12. There is a horizontal support 18 welded between them. The bottom of the No. 1 work surface 11 is connected with a servo motor 13 by screws. The screw connection is convenient for disassembling the servo motor 13 when the servo motor 13 is maintained. The No. 1 work surface 11 and the No. 2 work surface 19 are opposite to The front and rear ends of the side are fixedly connected with bearings 17. The No. 1 working table 11 and the No. 2 working table 19 are connected with two rotating shafts 14 through the bearings 17. One end of a rotating shaft 14 is fixedly connected with the output end of the servo motor 13, and a conveyor belt 16 is rotatably connected to the outside of the idler roller 15. The inner side of the conveyor belt 16 is closely connected with the outer sides of the two idler rollers 15, and the idler rollers 15 tighten the conveyor belt 16. The frictional force between the idler 15 and the conveyor belt 16 is sufficient to drive the conveyor belt 16 to rotate.

Working principle: When working, the rotation of the servo motor 13 drives the rotation of the shaft 14 connected to it, and the rotation of the shaft 14 drives the rotation of the outer roller 15, thereby driving the conveyor belt 16 to rotate, so that the display screen moves from the front to the middle with the conveyor belt 16, and the position sensor 31 After sensing that the display screen reaches the position, the servo driver 32 controls the servo motor 13 to stop rotating. After the display screen is fixed and detected, press the control button 34, the servo motor 13 resumes rotation, and the conveyor belt 16 rotates through the linkage, and the display screen follows the conveyor belt. 16 moves from the middle to the rear to enter the next process. At the same time, a new display screen moves from the front to the middle with the conveyor belt 16. This cycle goes back and forth, which greatly saves labor and improves work efficiency and productivity.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a fixing device is used in display screen production test, includes supporting component (1), fixed subassembly (2) and induction control subassembly (3), its characterized in that: the fixing component (2) comprises two supporting columns (21), the middle parts of the inner sides of the supporting columns (21) are fixedly connected with a servo electric cylinder (22), a guide rail (23) is fixedly connected between the tops of the two supporting columns (21), two sliding blocks (24) are sleeved on the outer portion of the guide rail (23) in a sliding mode, connecting rods (25) are fixedly connected to the bottoms of the two sliding blocks (24), pushing blocks (26) are fixedly connected to the bottoms of the connecting rods (25), one side of each pushing block (26) is fixedly connected to one end of a piston rod of the servo electric cylinder (22), two first sliding grooves (27) are formed in one side of each pushing block (26), a second sliding groove (28) is formed in the middle of one side of each pushing block (26), the two first sliding grooves (27) are located on the upper side and the lower side of the second sliding groove (28), and sliding rods (210) are slidably connected to the inner portions of the first sliding grooves (27), one end of the sliding rod (210) is fixedly connected with a fixing block (29), the middle of the fixing block (29) is fixedly connected with a spring (211), and the spring (211) is inserted into the second sliding groove (28).

2. The fixing device for the display screen production test according to claim 1, wherein: support assembly (1) is including table surface (11) and No. two table surface (19), table surface (11) with the equal fixed connection in the bottom of support column (21) in top of No. two table surface (19), table surface (11) with the equal fixedly connected with supporting leg (12) in the bottom outside both corners of No. two table surface (19), correspond the position fixedly connected with level props (18) between supporting leg (12), the bottom fixedly connected with servo motor (13) of a table surface (11).

3. The fixing device for the display screen production test according to claim 2, wherein: a table surface (11) with equal two bearings (17) of fixedly connected with in the relative one side of No. two table surface (19), No. one table surface (11) with No. two table surface (19) are connected with two pivot (14) through bearing (17) rotation.

4. The fixing device for the display screen production test according to claim 3, wherein: supporting rollers (15) are fixedly sleeved outside the two rotating shafts (14), one end of each rotating shaft (14) is fixedly connected with the output end of the servo motor (13), a conveying belt (16) is rotatably connected outside the supporting rollers (15), and the inner side of the conveying belt (16) is tightly connected with the outer sides of the two supporting rollers (15).

5. The fixing device for the production test of the display screen, according to claim 2, is characterized in that: the induction control assembly (3) comprises a position sensor (31), the position sensor (31) is fixedly connected to the inner side of the supporting column (21), and a servo driver (32) is fixedly connected to the outer side of the supporting column (21).

6. The fixing device for the display screen production test according to claim 5, wherein: a control button (34) is arranged on one side of the top of the first working table top (11), a pressure sensor (33) is arranged at the bottom of the second sliding groove (28), and one side of the pressure sensor (33) is connected to one end of the spring (211) in an abutting mode.

7. The fixing device for the display screen production test according to claim 6, wherein: the automatically controlled output of position sensor (31) passes through servo driver (32) and the automatically controlled input electric connection of servo electric jar (22) and servo motor (13), the automatically controlled output of pressure sensor (33) passes through servo driver (32) and the automatically controlled input electric connection of servo electric jar (22), the automatically controlled output of control button (34) passes through servo driver (32) and the automatically controlled input electric connection of servo electric jar (22) and servo motor (13).

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