CN213457580U

CN213457580U - Vertical protection device for liquid crystal display screen

Info

Publication number: CN213457580U
Application number: CN202022636600.0U
Authority: CN
Inventors: 查道文
Original assignee: Nanjing Shengde Automation Equipment Co ltd
Current assignee: Nanjing Shengde Automation Equipment Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-15
Anticipated expiration: 2030-11-13

Abstract

The utility model provides a be used for liquid crystal display vertical protection device, include: the overturning mechanism comprises a rack, wherein an overturning motor and a rotating arm are arranged on the rack, the rotating arm extends along the front and back direction of the rack, and the overturning motor drives the rotating arm to rotate; the support body is arranged on the rotating arm in a transmission mode, the rotating arm is rotated by the overturning motor to enable the support body to have a supporting posture and a standing posture, the supporting posture is in a horizontal state, and an included angle is formed between the standing posture and a horizontal plane; the bottom of the supporting body is provided with a supporting plate, the supporting plate partially supports the liquid crystal display screen when the supporting body is in a supporting posture, and the supporting plate is abutted to the liquid crystal display screen in the overturning process of the supporting body; the top of the support body is of an open hollow structure; the back support piece is arranged on the rack and enters the hollow part of the support body to support the back of the liquid crystal display screen when the support body is in the standing posture. The utility model discloses when making the upset action of LCD screen reliable smooth and easy, protect it can not drop or empty.

Description

Vertical protection device for liquid crystal display screen

Technical Field

The utility model belongs to the technical field of electronic device rigging equipment, concretely relates to be used for liquid crystal display to erect protection device.

Background

In the processes of assembly, detection, debugging and the like of the liquid crystal display screen production line, the liquid crystal display screen needs to be firstly conveyed to the workbench by the feeding mechanism, and then the liquid crystal display screen is turned to be in a backward inclined standing state, so that the corresponding process is convenient to carry out. The existing liquid crystal display vertical device generally uses a support frame to support the liquid crystal display, and then the support frame is driven by a turnover motor to turn over so as to enable the liquid crystal display to be vertical. However, in the process of turning over the support frame or after the support frame is erected, if the liquid crystal panel is not firmly fixed, the liquid crystal panel is easily dropped or toppled over from the support frame, and therefore a liquid crystal display panel standing protection device is needed to protect the liquid crystal panel from dropping or toppling over while the turning over operation of the liquid crystal panel is reliable and smooth.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for liquid crystal display vertical protection device who solves above technical problem.

The utility model provides a following technical scheme:

a standing protection device for a liquid crystal display panel, comprising:

the overturning mechanism comprises a rack, wherein a overturning motor and a rotating arm are arranged on the rack, the rotating arm extends along the front-back direction of the rack, and the overturning motor drives the rotating arm to rotate;

the support body is mounted on the rotating arm in a transmission mode, the rotating arm is rotated by the overturning motor, so that the support body has a supporting posture and a standing posture, the supporting posture is in a horizontal state, and an included angle is formed between the standing posture and a horizontal plane; a supporting plate is arranged at the bottom of the supporting body, the supporting plate partially supports the liquid crystal display screen when the supporting body is in the supporting posture, and the supporting plate is abutted to the liquid crystal display screen in the overturning process of the supporting body; the top of the support body is of an open hollow structure;

the back support piece is installed on the rack and enters the hollow part of the support body to support the back of the liquid crystal display screen when the support body is in the standing posture.

Further, a first driving assembly and a conveying platform are installed on the frame, the conveying platform supports the liquid crystal display screen, the first driving assembly is connected with the conveying platform in a driving mode, and the conveying platform is driven by the first driving assembly to move in the front-back direction and send the liquid crystal display screen into the supporting body.

Further, first motor and first pivot of top left side installation of supporter, first pivot is installed along the fore-and-aft direction of frame horizontally, first pivot is connected to first motor drive formula, first drive wheel is installed respectively at the both ends of first pivot, first synchronizing wheel is installed respectively to both sides around the supporter, the hold-in range tensioning in the homonymy first drive wheel with on the first synchronizing wheel, two install one on the synchronous belt and be on a parallel with the depression bar of first pivot, install the horizontally ejector pad on the depression bar, first motor can drive the depression bar removes and makes along the left and right directions the ejector pad laminating liquid crystal display's top.

Further, the gyro wheel is installed on the top right side of supporter, the axial of gyro wheel sets up along left right direction, the gyro wheel with liquid crystal display's top rolling friction.

Furthermore, a second rotating shaft is arranged on the right side of the bottom of the supporting body, and the supporting plate is arranged on the second rotating shaft.

Preferably, the supporter is hinged with an air cylinder, a piston rod of the air cylinder is hinged with a push arm, the push arm is connected with the second rotating shaft in a key mode, and the air cylinder drives the second rotating shaft to rotate so that the supporting plate is in a horizontal state to support the liquid crystal display screen.

Preferably, a side plate is provided on the right side of the support body, and the side plate supports the liquid crystal display in the standing posture.

Preferably, the cross section of the rotating arm is of a non-circular structure, an assembly body matched with the rotating arm is arranged on the right side of the support body, the support body is locked on the rotating arm through the assembly body, and the support body turns over along with the rotating arm.

Preferably, the support member in the standing posture is a reclining standing posture, and the back support member is inclined to the right side of the chassis to fit the liquid crystal display screen in the standing posture.

Preferably, the back support member is two support rods which incline to the front side and the rear side respectively.

The utility model has the advantages that: the utility model discloses a upset motor upset supporter makes the liquid crystal display in the supporter turn over to the posture of standing by the horizontal posture, is convenient for detect and debug liquid crystal display. The utility model discloses a supporter bottom installation layer board and local support liquid crystal display, the hollow out construction at supporter top is convenient for observe liquid crystal display's pay-off state; after liquid crystal display is turned over and stands up, the back-up piece of framework installation gets into the bearing in the hollow out construction of supporter supports liquid crystal display, protects it and does not stretch out and empty from this hollow out construction, the utility model discloses the action is reliable and stable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the support body of the present invention in a supporting posture;

fig. 2 is a schematic structural view of the support body of the present invention in a standing posture;

fig. 3 is a schematic top view of the present invention.

Labeled as: 1. a frame; 2. a support body; 3. a back support; 4. a conveying platform; 5. a cylinder; 6. turning over a motor; a rotating arm; 8. a connecting plate; 9. a bolt; 10. a support plate; 11. a side plate; 12. a first drive assembly; 13. a roller; 14. a first motor; 15. a first rotating shaft; 16. a first drive pulley; 17. a first synchronizing wheel; 18. a synchronous belt; 19. a pressure lever; 20. a push block; 21. a top plate; 22. a connecting plate; 23. a base plate; 24. a guide rail; 25. a second rotating shaft; 26. a push arm; 27. and a liquid crystal display screen.

Detailed Description

As shown in fig. 1 to 3, a standing protection device for a liquid crystal display is used for turning a liquid crystal display sent in a horizontal direction into a standing posture so as to facilitate detection, debugging or assembly of the liquid crystal display. The device comprises a frame 1, a support body 2, a back support piece 3, a conveying platform 4 and a cylinder 5.

The frame 1 is provided with a turnover motor 6 and a rotating arm 7, and the turnover motor 6 drives the rotating arm 7 to rotate; the rotating arm 7 extends along the front and back direction of the frame 1, the cross section of the rotating arm 7 is a non-circular structure, such as a rectangular structure, so that torque can be effectively transmitted, the support body is mounted on the rotating arm 7 through an assembly body, specifically, the right side of the support body 2 is provided with a connecting plate 8 which is tightly attached to the rotating arm, the connecting plate 8 clamps the rotating arm 7 between the connecting plate 8 and the support body 2 through a bolt 9, so that the support body 2 is locked on the rotating arm 7, and the support body 2 is turned over along with the rotating arm; the turning motor 6 rotates the rotating arm 7 to make the support body have a horizontal supporting posture and an upright posture, which forms an angle with the horizontal plane, preferably a backward posture, i.e., a posture inclined to the right side in fig. 2.

Referring to fig. 1 and 3, at least two supporting plates 10 are installed at the bottom of the supporting body 2 at intervals, the supporting plates 10 partially support the liquid crystal display 27 when the supporting body 2 is in the supporting posture, and the supporting plates 10 abut against the liquid crystal display 27 in the process of turning over the supporting body 2 to prevent the liquid crystal display from slipping off from the supporting body; a side plate 11 is provided on the right side of the support body 2, and the side plate 11 supports the liquid crystal display in the standing posture. The top of supporter 2 is open hollow out construction, is convenient for observe liquid crystal display's pay-off state.

The back support 3 is arranged on the frame 1 and is positioned at the right side of the rotating arm 7. The back support member 3 enters the hollow part of the support member 2 when the support member is in a standing posture, supports the back surface of the liquid crystal display 27, protects the liquid crystal display from shaking or falling out of the hollow part, and enables the push block to be reset in time. The back support 3 is two support rods which incline to the right side of the frame 1 to fit the liquid crystal display screen 27 in the standing posture; simultaneously, two spinal branch vaulting poles incline to front and back both sides respectively to increase the support scope to liquid crystal display, improve the stability of liquid crystal display upright state.

Referring to fig. 1, a first driving assembly 12 and a conveying platform 4 are further installed on the frame 1, the conveying platform 4 horizontally supports the liquid crystal display 27, the first driving assembly 12 is connected with the conveying platform 4 in a driving manner, both front and rear sides of the support body 2 are open, and the first driving assembly 12 drives the conveying platform 4 to move in the front and rear directions to send the liquid crystal display 27 into the support body. The first driving assembly 12 is a conventional motor and synchronous wheel, synchronous belt transmission matching device, or a linear driving device such as a linear module, an electric screw rod, etc., which are all known structures. Roller 13 is installed on the top right side of supporter 2, and roller 13 is supported by the shaft on the supporter, and roller 13's axial sets up along left right direction, and when 4 pay-offs of conveying platform entered supporter 2, roller 13 and liquid crystal display's top rolling friction, liquid crystal display fixed a position the back well, and roller 13 pastes liquid crystal display's top right side, plays support and limiting displacement.

The top left side of supporter 2 installs first motor 14 and first pivot 15, first pivot 15 is installed along the fore-and-aft direction horizontal of frame 1, first pivot 15 is connected to first motor 14 drive formula, first drive wheel 16 is installed respectively at the both ends of first pivot 15, first synchronizing wheel 17 is installed respectively to the front and back both sides of supporter 2, hold-in range 18 tensioning is on the first drive wheel 16 and the first synchronizing wheel 17 of homonymy, a depression bar 19 that is on a parallel with first pivot 15 of fixed mounting on two hold-in range 17, still install the guide rail 24 that extends along left and right directions on the supporter 2, be equipped with the guide slot with this guide rail 24 adaptation on the depression bar 19, when hold-in range 18 operates, depression bar 19 is along this guide rail 24 translation. The push rod 19 is provided with a push block 20, the push block 20 comprises a top plate 21, a connecting plate 22 and a bottom plate 23 which are fixedly connected in sequence, the first motor 14 can drive the push rod 19 to move along the left-right direction, when the push rod 19 moves rightwards, the top plate 21 and the bottom plate 23 of the push block 20 are respectively attached to the top and the bottom of the liquid crystal display, and the connecting plate 22 is attached to the left side of the liquid crystal display, so that the liquid crystal display 27 is pushed rightwards and pushed into the joint of the supporting plate 10 on the right side of the supporting body and the side plate 11, and each vertex angle of the liquid crystal display is reliably positioned, so that the liquid crystal display is stably supported in. In addition, the pushing block 20 is driven by the first motor 14 to move horizontally, and can be flexibly suitable for liquid crystal display screens with different width specifications.

The second rotating shaft 25 is installed at the right side of the bottom of the supporting body 2, and the supporting plate 10 is rotatably installed on the second rotating shaft 25. When the conveying platform 4 is fed, and before the pushing block 20 is not actuated, the left side of the supporting plate 10 rotates downwards to avoid the liquid crystal display screen. The supporting body 2 is hinged with the cylinder 5, a piston rod of the cylinder 5 is hinged with a push arm 26, and the push arm 26 is connected with the second rotating shaft 25 in a key mode. Referring to fig. 2, when the lcd 27 is pushed to the right by the pushing block 20, the cylinder 5 drives the second shaft 25 to rotate, so that the left side of the supporting plate 10 rotates upward to be horizontal, thereby supporting the lcd 27. The conveying platform 4 is provided with avoidance notches at the pushing block 20 and the supporting plate 10 respectively to avoid the translational pushing block bottom plate or the rotary supporting plate, so that the actions of the pushing block bottom plate and the rotary supporting plate are not interfered with each other.

The working process of the device is as follows:

in the initial state, the air cylinder 5 drives the second rotating shaft 25 to rotate, so that the supporting plate 10 is in a vertical avoiding state; the push block 20 is positioned at the left starting point of the support body 2;

the conveying platform 4 conveys the liquid crystal display screen 27 into the supporting body 2;

the first motor 14 drives the push block 20 to move rightward, so that the top plate 21 and the bottom plate 23 of the push block respectively adhere to the top and the bottom of the liquid crystal display screen, and the connecting plate 22 of the push block adheres to the left side of the liquid crystal display screen, so that the liquid crystal display screen is pushed rightward until the push block abuts against the side plate 11 of the support body;

the cylinder 5 drives the second rotating shaft 25 to rotate clockwise, so that the supporting plate 10 rotates to be in a horizontal state, and the right bottom of the liquid crystal display screen is supported;

the turning motor 6 is started to drive the support body 2 to turn right to a standing posture, and the back support piece 3 extends into the hollow part at the top of the support body 2 to support the back of the liquid crystal display screen 27 so as to protect the liquid crystal display screen from falling;

the first motor 14 resets the push block 20 to make the push block release the liquid crystal display screen 27;

the liquid crystal display 27 is tested, debugged or assembled.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stand-up protection device for a liquid crystal display, comprising:

the support body is mounted on the rotating arm in a transmission mode, the rotating arm is rotated by the overturning motor, so that the support body has a supporting posture and a standing posture, the supporting posture is in a horizontal state, and an included angle is formed between the standing posture and a horizontal plane; a supporting plate is arranged at the bottom of the supporting body, the supporting plate supports a part of the liquid crystal display screen when the supporting body is in the supporting posture, and the supporting plate is abutted to the liquid crystal display screen in the overturning process of the supporting body; the top of the support body is of an open hollow structure;

2. The apparatus of claim 1, wherein a first driving assembly and a conveying platform are mounted on the frame, the conveying platform supports the liquid crystal display, the first driving assembly is drivingly connected to the conveying platform, and the first driving assembly drives the conveying platform to move in a forward and backward direction to feed the liquid crystal display into the support.

3. The device for protecting the vertical alignment of a liquid crystal display according to claim 2, wherein a first motor and a first rotating shaft are installed on the left side of the top of the supporting body, the first rotating shaft is horizontally installed along the front and rear direction of the frame, the first motor is connected with the first rotating shaft in a driving manner, first driving wheels are installed at two ends of the first rotating shaft respectively, first synchronizing wheels are installed on the front and rear sides of the supporting body respectively, and the synchronizing wheels are tensioned on the first driving wheels and the first synchronizing wheels on the same side; two install a depression bar that is on a parallel with first pivot on the hold-down strip, install the horizontally ejector pad on the depression bar, first motor can drive the depression bar moves to liquid crystal display one side and makes the ejector pad pass liquid crystal display.

4. The device as claimed in claim 3, wherein rollers are mounted on the right side of the top of the support, the rollers are axially disposed in the left-right direction, and the rollers are in rolling friction with the top of the liquid crystal display.

5. The device as claimed in claim 4, wherein a second shaft is mounted on the right side of the bottom of the support body, and the supporting plate is mounted on the second shaft.

6. The device as claimed in claim 5, wherein the supporting body is hinged to a cylinder, a piston rod of the cylinder is hinged to a push arm, the push arm is connected to the second shaft, and the cylinder drives the second shaft to rotate to make the supporting plate horizontal to support the LCD.

7. The apparatus of claim 6, wherein the support body is provided at a right side thereof with a side plate for supporting the liquid crystal display in an upright posture.

8. The apparatus as claimed in any one of claims 1 to 7, wherein the arm has a non-circular cross-section, and the right side of the support is provided with an assembly body adapted to the arm, the assembly body locking the support to the arm such that the support is turned over with the arm.

9. The device as claimed in claim 1, wherein the support member is in a standing posture, and the back support member is inclined to the right side of the frame to fit the lcd panel in the standing posture.

10. The device as claimed in claim 9, wherein the back support member comprises two support rods inclined to the front and rear sides.