CN219649665U

CN219649665U - Turnover fixture for display screen production

Info

Publication number: CN219649665U
Application number: CN202320555916.8U
Authority: CN
Inventors: 曾得忠
Original assignee: Shanxi Huayao Optoelectronic Technology Co ltd
Current assignee: Shanxi Huayao Optoelectronic Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-08
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of display screens, and discloses a turnover fixture for display screen production, which comprises a base, wherein a bearing plate is connected inside the base in a sliding manner, an adjusting mechanism is arranged inside the base and below the bearing plate, two supporting plates are fixedly connected to the top of the bearing plate, and a second servo motor is fixedly arranged on the outer sides of the supporting plates. The hydraulic display screen turnover testing device has the beneficial effects that the hydraulic display screens with different thicknesses can be clamped through the clamping mechanism, so that a worker can conveniently turn over the hydraulic display screen turnover testing device, the extrusion force of the pressing plate can be adjusted through the numerical value fed back by the pressure sensor, compared with manual operation, the extrusion force is more accurate, the situation that the display screen is cracked due to overlarge extrusion force is avoided, the height of the bearing plate can be adjusted through the adjusting mechanism, and then the height of the clamping mechanism can be adjusted, so that the hydraulic display screen turnover testing device is suitable for the workers with different heights.

Description

Turnover fixture for display screen production

Technical Field

The utility model relates to the technical field of display screens, in particular to a turnover fixture for display screen production.

Background

The LCD is an active matrix LCD driven by Thin Film Transistors (TFTs), which mainly uses current to stimulate liquid crystal molecules to generate points, lines and surfaces to match back lamps to form pictures, and in the LCD production process, the LCD needs to be subjected to overturn test, so that an overturn fixture is needed to fix the LCD.

Through retrieving, chinese patent discloses a fixed LCD production is with upset anchor clamps (grant bulletin number CN 212330808U), this patent includes the base, the outside top of base all is provided with the support frame, and the outside of support frame has seted up spacing hole, the inboard in spacing hole is provided with the gag lever post, and the one end of gag lever post is provided with the handle, the other end of gag lever post is provided with the pivot, and the outside of pivot is provided with fixed sleeve, fixed sleeve's outside is provided with the mount, and the spout has been seted up in the outside of mount, the inboard of spout is provided with the slider, and the one end of slider is provided with the fixation clamp, the inside wall of fixation clamp all is provided with expansion spring, and expansion spring's one end is provided with splint, however, this patent technology is in the practical application process, and the device is through expansion spring and splint, directly carries out the centre gripping to the display screen, is difficult to master the extrusion dynamics, causes pressure to go forward and make the condition that the display screen surface appears fracture easily, and this upset anchor clamps is inconvenient for adjusting the height, the staff who is inconvenient to carry out the test with practical operation of different height, has greatly reduced practical use with practical application.

Accordingly, a person skilled in the art provides a turnover fixture for display screen production to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a turnover fixture for display screen production, so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a turnover fixture for display screen production, includes the base, the inside sliding connection of base has the bearing plate, the inside of base just is located the below of bearing plate and is provided with adjustment mechanism, the equal fixed mounting in the outside of bearing plate has the second servo motor, the equal fixedly connected with U-shaped board of one end of the output shaft of second servo motor, the inside of U-shaped board is provided with clamping mechanism, clamping mechanism includes the cylinder, the equal fixed mounting in top of U-shaped board has the cylinder.

Preferably, the fixture further comprises a pressing plate, an induction groove, a pressure sensor, a touch pad and a controller, wherein a piston rod of the cylinder extends to the inside of the U-shaped plate and is fixedly connected with the pressing plate, the induction groove is formed in the pressing plate, the pressure sensor is fixedly mounted in the induction groove, the touch pad is slidably connected in the induction groove, and the controller is fixedly mounted on the outer side of one of the support plates.

Preferably, the adjustment mechanism comprises a bidirectional screw rod, a sliding plate, a connecting rod and a fixing plate, the bidirectional screw rod is connected to the inside of the base in a rotating mode, the sliding plates are connected to the two ends of the outer side of the bidirectional screw rod in a threaded mode, the connecting rod is connected to the outer side of the sliding plate in a rotating mode, the sliding plates are connected with the inner wall of the base in a sliding mode, the fixing plate is fixedly connected to the bottom of the bearing plate, and the fixing plate is connected to the connecting rod in a rotating mode and is far away from one end of the sliding plate.

Preferably, the inside of U shaped board just is located the equal sliding connection in both sides of cylinder and has the buffer rod, the equal fixedly connected with limiting plate in top of buffer rod, the outside of buffer rod all overlaps there is buffer spring, the bottom of buffer rod all with press board fixed connection.

Preferably, the limiting grooves are formed in two sides of the inner wall of the pressing plate, limiting rods are slidably connected in the limiting grooves, the limiting rods are fixedly connected with two sides of the touch plate respectively, reinforcing ribs are arranged between the bearing plate and the supporting plate, a first servo motor is fixedly arranged on the outer side of the base, and an output shaft of the first servo motor extends to the inside of the base and is fixedly connected with the bidirectional screw rod.

Preferably, the limiting grooves are formed in two sides of the inner wall of the base, limiting rods are slidably connected in the limiting grooves, and the two limiting rods are fixedly connected with two sides of the bearing plate respectively.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, when the display screen is required to be clamped, the display screen can be placed in two U-shaped plates, the sensing value of the pressure sensor is adjusted to be in a regulated pressure value interval in advance, the pressing plate is driven to move downwards through the operation of the control cylinder, when the touch plate is in contact with the display screen, the pressing plate moves upwards to trigger the pressure sensor, when the pressure outside the pressure sensor reaches the regulated pressure value interval, the pressure information is transmitted to the controller, the air cylinder is controlled by the controller to stop extrusion, and then the second servo motor is controlled to operate to drive the whole display screen to overturn, so that the overturn test is conveniently carried out by staff;

in the second embodiment, the height of the clamping mechanism can be adjusted according to workers with different heights, the first servo motor can be controlled to work through external control equipment, the bidirectional screw rod is driven to rotate, the sliding plates on the two sides of the bidirectional screw rod are driven to move and are matched with the connecting rod to be used, the bearing plate and the fixing plate are pushed to move upwards, and the turnover testing device is further suitable for workers with different heights to perform turnover testing.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of the present utility model at B in fig. 2.

Wherein: 1. a base; 2. a first servo motor; 3. a two-way screw rod; 4. a fixing plate; 5. a slide plate; 6. a connecting rod; 7. a bearing plate; 8. a limit groove; 9. a limit rod; 10. a support plate; 11. a controller; 12. reinforcing ribs; 13. a U-shaped plate; 14. an induction tank; 15. a pressure sensor; 16. a touch pad; 17. a limiting groove; 18. a restraining bar; 19. a cylinder; 20. a limiting plate; 21. a buffer spring; 22. a buffer rod; 23. pressing the plate; 24. and a second servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the turnover fixture for display screen production comprises a base 1, wherein a bearing plate 7 is slidably connected in the base 1, an adjusting mechanism is arranged in the base 1 and below the bearing plate 7, two support plates 10 are fixedly connected to the top of the bearing plate 7, a second servo motor 24 is fixedly arranged on the outer side of each support plate 10, a U-shaped plate 13 is fixedly connected to one end of an output shaft of each second servo motor 24, a clamping mechanism is arranged in each U-shaped plate 13, each clamping mechanism comprises an air cylinder 19, and an air cylinder 19 is fixedly arranged on the top of each U-shaped plate 13.

Through above-mentioned technical scheme, through being provided with fixture, can carry out the centre gripping to the hydraulic display screen of different thickness, so that the staff carries out the upset test to it, and can adjust the extrusion dynamics of pressing plate 23 through the numerical value of pressure sensor 15 feedback, compare with manual operation, extrusion dynamics is more accurate, avoided leading to the condition that the fracture appears in the display screen because of extrusion dynamics is too big, through being provided with adjustment mechanism, can adjust the height of bearing plate 7, and then can adjust fixture's height, in order to be applicable to the staff of co-altitude and overturn the test.

Specifically, fixture still includes pressing plate 23, induction groove 14, pressure sensor 15, touch pad 16 and controller 11, and the piston rod of cylinder 19 extends to the inside of U-shaped board 13 and fixedly connected with pressing plate 23, and induction groove 14 has all been seted up to pressing plate 23's inside, and induction groove 14's inside fixed mounting has pressure sensor 15, and induction groove 14's inside all sliding connection has touch pad 16, and one of them backup pad 10's outside fixed mounting has controller 11.

Through the above technical scheme, when the display screen needs to be clamped, the display screen can be placed in the two U-shaped plates 13, the sensing numerical value of the pressure sensor 15 is adjusted into a debugged pressure numerical value interval in advance, the pressing plate 23 is driven to move downwards through the operation of the control cylinder 19, when the touch plate 16 is contacted with the display screen, the pressing plate moves upwards to trigger the pressure sensor 15, when the pressure outside the pressure sensor 15 reaches the debugged pressure numerical value interval, the pressure information is transmitted to the controller 11, and the extrusion is stopped through the control cylinder 19 of the controller 11.

Specifically, adjustment mechanism includes two-way lead screw 3, slide 5, connecting rod 6 and fixed plate 4, and the inside rotation of base 1 is connected with two-way lead screw 3, and the equal threaded connection in both ends in two-way lead screw 3 outsides has slide 5, and the equal rotation in the outside of slide 5 is connected with connecting rod 6, slide 5 all with the inner wall sliding connection of base 1, the bottom fixedly connected with fixed plate 4 of bearing plate 7, fixed plate 4 all is kept away from the one end rotation connection of slide 5 with connecting rod 6.

Through above-mentioned technical scheme, through external control equipment control first servo motor 2 work, drive the rotation of two-way lead screw 3, and then drive the removal of slide 5 of its both sides to use with connecting rod 6 cooperation, promote bearing plate 7 and fixed plate 4 and upwards remove, and then can be applicable to not co-altitude staff and use.

Specifically, the inside of U shaped plate 13 just is located the equal sliding connection of both sides of cylinder 19 and has buffer rod 22, and the equal fixedly connected with limiting plate 20 in top of buffer rod 22, and buffer spring 21 has all been overlapped in the outside of buffer rod 22, and the bottom of buffer rod 22 all is with pressing plate 23 fixed connection.

Through above-mentioned technical scheme, through the cooperation use of buffer rod 22 and buffer spring 21, can play certain cushioning effect to pressing plate 23 push down the impulsive force, avoid its push down impulsive force too big to cause the damage to the display screen.

Specifically, limiting grooves 17 are formed in two sides of the inner wall of the pressing plate 23, limiting rods 18 are slidably connected in the limiting grooves 17, the two limiting rods 18 are fixedly connected with two sides of the touch plate 16 respectively, reinforcing ribs 12 are arranged between the bearing plate 7 and the supporting plate 10, a first servo motor 2 is fixedly mounted on the outer side of the base 1, and an output shaft of the first servo motor 2 extends to the inside of the base 1 and is fixedly connected with the bidirectional screw rod 3.

Through the above technical scheme, through the cooperation use between restriction groove 17 and the restriction pole 18, can restrict the distance that touch pad 16 moved.

Specifically, the limiting grooves 8 are formed in two sides of the inner wall of the base 1, limiting rods 9 are slidably connected in the limiting grooves 8, and the two limiting rods 9 are fixedly connected with two sides of the bearing plate 7 respectively.

Through above-mentioned technical scheme, through the cooperation use between spacing groove 8 and the gag lever post 9, can restrict the distance and the direction that bearing plate 7 risen.

When the device is used, firstly, the height of a clamping mechanism can be adjusted by workers with different heights, the first servo motor 2 is controlled to work through external control equipment, the bidirectional screw rod 3 is driven to rotate, the sliding plates 5 on two sides of the bidirectional screw rod are driven to move and are matched with the connecting rods 6 to be used, the bearing plate 7 and the fixed plate 4 are pushed to move upwards, the device is further suitable for workers with different heights to perform overturn testing, then, when the display screen is required to be clamped, the display screen can be placed in the two U-shaped plates 13, the sensing value of the pressure sensor 15 is adjusted into a debugged pressure value interval (the display screen is in a stable state and a healthy interval without damaging the display screen) in advance, the pressing plate 23 is driven to move downwards through the operation of the control cylinder 19, when the touch plate 16 is contacted with the display screen, the pressure sensor 15 is triggered upwards, when the pressure outside the pressure of the pressure sensor 15 reaches the debugged pressure value interval, the pressure information is transmitted to the controller 11, the air cylinder 19 is controlled to stop extrusion, and the second servo motor 24 is controlled to operate, and the whole display screen is driven to overturn, so that the workers can perform overturn testing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Display screen production is with upset anchor clamps, including base (1), its characterized in that: the inside sliding connection of base (1) has bearing plate (7), the inside of base (1) just is located the below of bearing plate (7) and is provided with adjustment mechanism, the top fixedly connected with two backup pads (10) of bearing plate (7), the equal fixed mounting in the outside of backup pad (10) has second servo motor (24), the equal fixedly connected with U-shaped board (13) of one end of the output shaft of second servo motor (24), the inside of U-shaped board (13) is provided with fixture, fixture includes cylinder (19), the equal fixed mounting in top of U-shaped board (13) has cylinder (19).

2. The turnover fixture for display screen production of claim 1, wherein: the clamping mechanism further comprises a pressing plate (23), an induction groove (14), a pressure sensor (15), a touch pad (16) and a controller (11), wherein a piston rod of the air cylinder (19) extends to the inside of the U-shaped plate (13) and is fixedly connected with the pressing plate (23), the induction groove (14) is formed in the pressing plate (23), the pressure sensor (15) is fixedly arranged in the induction groove (14), the touch pad (16) is slidably connected in the induction groove (14), and the controller (11) is fixedly arranged on the outer side of one of the supporting plates (10).

3. The turnover fixture for display screen production of claim 1, wherein: adjustment mechanism includes two-way lead screw (3), slide (5), connecting rod (6) and fixed plate (4), the inside rotation of base (1) is connected with two-way lead screw (3), the equal threaded connection in both ends in two-way lead screw (3) outside has slide (5), the outside of slide (5) all rotates and is connected with connecting rod (6), slide (5) all with the inner wall sliding connection of base (1), the bottom fixedly connected with fixed plate (4) of bearing plate (7), the one end rotation connection that slide (5) was kept away from to fixed plate (4) all with connecting rod (6).

4. The turnover fixture for display screen production according to claim 2, wherein: the inside of U shaped board (13) and the both sides that are located cylinder (19) all sliding connection have buffer rod (22), the equal fixedly connected with limiting plate (20) in top of buffer rod (22), the outside of buffer rod (22) all overlaps has buffer spring (21), the bottom of buffer rod (22) all with press board (23) fixed connection.

5. The turnover fixture for display screen production according to claim 2, wherein: limiting grooves (17) are formed in two sides of the inner wall of the pressing plate (23), limiting rods (18) are slidably connected in the limiting grooves (17), the limiting rods (18) are fixedly connected with two sides of the touch plate (16) respectively, reinforcing ribs (12) are arranged between the bearing plate (7) and the supporting plate (10), a first servo motor (2) is fixedly arranged on the outer side of the base (1), and an output shaft of the first servo motor (2) extends to the inside of the base (1) and is fixedly connected with the bidirectional screw rod (3).

6. The turnover fixture for display screen production of claim 1, wherein: limiting grooves (8) are formed in two sides of the inner wall of the base (1), limiting rods (9) are slidably connected in the limiting grooves (8), and the two limiting rods (9) are fixedly connected with two sides of the bearing plate (7) respectively.