CN216138787U

CN216138787U - Clamping device for liquid crystal panel test

Info

Publication number: CN216138787U
Application number: CN202121982636.2U
Authority: CN
Inventors: 张明东; 马莹莹
Original assignee: Guangzhou Youying Electronics Co ltd
Current assignee: Guangzhou Youying Electronics Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-29
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a clamping device is used in test of liquid crystal panel relates to liquid crystal panel clamping device field, comprising a base plate, the last fixed surface of bottom plate is connected with the backup pad, the last fixed surface of bottom plate is connected with the bracing piece, the through-hole has been seted up on the right side of bracing piece, the inner wall of through-hole rotates and is connected with rotation angle mechanism, the tight fixed establishment of one end fixedly connected with buffering clamp of rotation angle mechanism, the board is placed to the tight fixed establishment's of left side fixedly connected with panel of buffering clamp. The utility model realizes angle adjustment control on the tested liquid crystal panel by arranging the rotation angle mechanism so as to meet the test requirements of each angle, realizes clamping and fixing effects by arranging the buffering clamping and fixing mechanism, and can prevent the situation that the edge of the liquid crystal panel is cracked when the liquid crystal panel is clamped due to different clamping pressures of the liquid crystal panel caused by different manual operations.

Description

Clamping device for liquid crystal panel test

Technical Field

The utility model relates to a liquid crystal display clamping device technical field, in particular to clamping device is used in test of liquid crystal display panel.

Background

The liquid crystal panel is a material for determining the brightness, contrast, color and visual angle of the liquid crystal display, the price trend of the liquid crystal panel directly influences the price of the liquid crystal display, and the quality and the technology of the liquid crystal panel are related to the overall performance of the liquid crystal display.

The clamping pressure generated in the clamping process is different due to different manual controls in the clamping and fixing process of the existing liquid crystal panel, instantaneous overlarge pressure possibly is generated in the clamping process to cause the edge of the liquid crystal panel to break, and meanwhile, the liquid crystal panel cannot be freely rotated after being clamped so as to meet the test requirements of all angles.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a clamping device for a liquid crystal panel test, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the clamping device comprises a bottom plate, wherein a supporting plate is fixedly connected to the upper surface of the bottom plate, a supporting rod is fixedly connected to the upper surface of the bottom plate, a through hole is formed in the right side of the supporting rod, a rotation angle mechanism is connected to the inner wall of the through hole in a rotating mode, a buffer clamping and fixing mechanism is fixedly connected to one end of the rotation angle mechanism, and a panel is placed on the left side of the buffer clamping and fixing mechanism and fixedly connected with the panel.

Borrow by above-mentioned structure, through setting up rotation angle mechanism, realize angle modulation control to the liquid crystal display panel of test to satisfy the test demand of each angle, press from both sides tight fixed establishment through setting up the buffering, realize pressing from both sides tight fixed effect, at this in-process, can prevent that different manual operation from leading to liquid crystal display panel clamping pressure variation in size, lead to the liquid crystal display panel edge to produce the cracked condition when pressing from both sides tightly.

Preferably, the buffering clamping and fixing mechanism comprises two fixing connecting rods fixedly connected to the right side of the panel placing plate, two fixing connecting rods are fixedly connected to the same fixing block fixedly connected to the right side of the fixing connecting rods, a sliding groove is formed in the left side of the fixing block, a small hole is formed in the upper surface of the fixing block, a screw rod is connected to the inner wall of the small hole in a rotating mode, a handle is fixedly connected to the top end of the screw rod, and the bottom end of the screw rod is connected with the inner bottom wall of the sliding groove in a rotating mode.

Further, through setting up fixed connecting rod, the board is placed to the counter plate and is carried out fixed stay, through setting up sliding tray, aperture, prevents that the motion from producing the interference, through setting up the handle for the workman rotates and drives the screw rod rotation behind the handle.

Preferably, the surface threaded connection of screw rod has the slide bar, the front of slide bar and the inner wall sliding connection of sliding tray, the groove of dodging has been seted up to the lower surface of slide bar, the inner wall fixedly connected with rotation axis of dodging the groove, the surface of rotation axis rotates respectively and is connected with first rotation connecting rod, second rotation connecting rod.

Further, through setting up the slide bar for the screw rod rotates and drives the slide bar and rotate, dodges the groove through the setting, prevents to rotate the motion production of connecting rod, the second and interferes first rotation connecting rod, the second, through setting up the rotation axis, rotates connecting rod, the second and carries out fixed stay.

Preferably, first installation room has been seted up at the back of first rotation connecting rod, the second installation room has been seted up in the front of second rotation connecting rod, the inner diapire fixedly connected with reset spring of second installation room, reset spring's one end and the inner diapire fixed connection of first installation room, the equal fixedly connected with dwang in left side of second rotation connecting rod, first rotation connecting rod, the one end of dwang is rotated and is connected with the fixed depression bar.

Further, through setting up first installation room, the second rotates the connecting rod, make first installation room simultaneously, the second rotates the connecting rod and keeps away from the back each other, draw reset spring, give reset spring motion space, through setting up reset spring, supplementary first installation room, the second rotates the connecting rod and resets, simultaneously before not moving, keep first installation room, the second rotates the connecting rod bottom and keeps away from each other, prepare for following motion, through setting up the dwang, the fixed depression bar that presses, first installation room, the second rotates the connecting rod motion and presses the liquid crystal display panel and make the fixed depression bar fix liquid crystal display panel upper surface front and back position respectively after pressing the liquid crystal display panel one side, make it more stable.

Preferably, the rotation angle mechanism includes a rotating rod rotatably connected in the through hole, one end of the rotating rod is fixedly connected with a rotating disc, one side of the rotating disc is fixedly connected with a rocker, and one end of the rotating rod is fixedly connected with the right side of the fixing block.

Further, through setting up the rotary rod, carry out fixed stay to the fixed block, through setting up the rocker, make things convenient for the workman to rotate the operation, rotate the rocker and drive the rolling disc and rotate, the rolling disc rotates and drives the rotary rod and rotate.

Preferably, a rotating hole is formed in the left side of the supporting plate, a rotating shaft is rotatably connected to the inner wall of the rotating hole, one end of the rotating shaft is fixedly connected with the left side of the panel placing plate, and an external threaded rod is fixedly connected to the other end of the rotating shaft.

Further, through setting up the axis of rotation for the panel is placed the board and is rotated and drive the axis of rotation and rotate, and the axis of rotation rotates and drives the rotation of external screw thread pole.

Preferably, the surface threaded connection of external screw thread pole has the internal thread sleeve, the telescopic one end fixedly connected with of internal thread rotates the hand wheel, the telescopic other end fixedly connected with anti-skidding gasket of internal thread, anticollision hole has been seted up in the left side of anti-skidding gasket, the external screw thread pole is located the anticollision hole.

Further, through setting up rotation hand wheel, internal thread sleeve, anti-skidding gasket for the operation workman rotates and rotates the hand wheel and drives the internal thread sleeve and rotate, and internal thread sleeve and external screw thread pole threaded connection make the internal thread sleeve move towards the right side, drive anti-skidding gasket and move to the right side, and it is dead fixed until laminating the card with the left side of backup pad.

To sum up, this practical technological effect and advantage:

1. according to the utility model, the interference of movement is prevented by arranging the sliding groove and the small hole, the handle is arranged, a worker rotates the handle to drive the screw to rotate, the sliding rod is driven to rotate by rotating the screw, the avoidance groove is arranged to prevent the interference of the movement of the first rotating connecting rod and the second rotating connecting rod, the first mounting chamber and the second rotating connecting rod are arranged, the reset spring is pulled up after the first mounting chamber and the second rotating connecting rod are mutually far away, the movement space of the reset spring is given, the first mounting chamber and the second rotating connecting rod are assisted to reset by arranging the reset spring, the first mounting chamber and the second rotating connecting rod are kept away from each other before no movement, the preparation is made for the next movement, and the fixed rod respectively drives the front and back positions of the upper surface of the liquid crystal panel to move forwards and backwards after the first mounting chamber and the second rotating connecting rod press one side of the liquid crystal panel, and the rotating rod press the first mounting chamber and the second rotating connecting rod press the liquid crystal panel to move to press the front and back The line is fixed, makes it more stable, borrows by above-mentioned structure, behind the twist grip, can realize the clamp of liquid crystal display panel fixedly, prevents to press from both sides tight in-process probably to produce the too big edge of liquid crystal display panel and produce the fracture of pressure in the twinkling of an eye.

2. According to the utility model, through arranging the rocker, a worker can conveniently rotate the liquid crystal display panel, the rocker is rotated to drive the rotating disc to rotate, the rotating disc rotates to drive the rotating rod to rotate, through arranging the rotating shaft, the panel placing plate rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the external threaded rod to rotate, through arranging the rotating hand wheel, the internal threaded sleeve and the anti-skidding gasket are connected through threads, the internal threaded sleeve moves towards the right side and drives the anti-skidding gasket to move towards the right side until the anti-skidding gasket is stuck and fixed with the left side of the supporting plate, and by means of the structure, the liquid crystal display panel can be freely rotated to meet the test requirements of all angles.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a clamping device for a liquid crystal panel test in an embodiment of the present application;

FIG. 2 is a schematic perspective view of a buffer clamping mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a first rotating link in an embodiment of the present application;

fig. 4 is a schematic perspective view of a rotation angle mechanism in an embodiment of the present application;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure: 1. a base plate; 2. a support plate; 3. a support bar; 4. a panel placement plate; 5. a buffer clamping and fixing mechanism; 501. Fixing the connecting rod; 502. a fixed block; 503. a screw; 504. a handle; 505. a slide bar; 506. an avoidance groove; 507. a first rotating link; 508. a second rotating link; 509. rotating the rod; 510. fixing the pressing rod; 511. a rotating shaft; 512. a second installation chamber; 513. a return spring; 514. a first installation chamber; 6. a rotation angle mechanism; 601. a rotating shaft; 602. an internally threaded sleeve; 603. rotating a hand wheel; 604. rotating the rod; 605. rotating the disc; 606. a rocker; 607. an externally threaded rod; 608. An anti-skid gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Example (b): referring to fig. 1-5, the clamping device for testing the liquid crystal panel comprises a bottom plate 1, a supporting plate 2 is fixedly connected to the upper surface of the bottom plate 1, a supporting rod 3 is fixedly connected to the upper surface of the bottom plate 1, a through hole is formed in the right side of the supporting rod 3, a rotation angle mechanism 6 is rotatably connected to the inner wall of the through hole, a buffer clamping fixing mechanism 5 is fixedly connected to one end of the rotation angle mechanism 6, and a panel placing plate 4 is fixedly connected to the left side of the buffer clamping fixing mechanism 5.

Borrow by above-mentioned structure, through setting up rotation angle mechanism 6, realize angle modulation control to the liquid crystal display panel of test to satisfy the test demand of each angle, press from both sides tight fixed establishment 5 through setting up the buffering, realize pressing from both sides tight fixed effect, at this in-process, can prevent that different manual operation from leading to liquid crystal display panel clamping pressure variation in size, lead to the liquid crystal display panel edge to produce the cracked condition when making to press from both sides tightly.

In this embodiment, two fixed links 501 on board 4 right side are placed including fixed connection to the panel to buffering clamp fixing mechanism 5, the same fixed block 502 of the equal fixedly connected with in right side of two fixed links 501, the sliding tray has been seted up in the left side of fixed block 502, the aperture has been seted up to the upper surface of fixed block 502, the inner wall of aperture rotates and is connected with screw rod 503, screw rod 503's top fixedly connected with handle 504, screw rod 503's bottom is rotated with the inner diapire of sliding tray and is connected, through setting up fixed link 501, place board 4 to the panel and carry out the fixed stay, through setting up the sliding tray, the aperture, prevent that the motion from producing and interfering, through setting up handle 504, make workman rotate handle 504 after drive screw rod 503 and rotate.

The surface of the screw 503 is connected with a sliding rod 505 in a threaded manner, the front surface of the sliding rod 505 is connected with the inner wall of the sliding groove in a sliding manner, the lower surface of the sliding rod 505 is provided with an avoiding groove 506, the inner wall of the avoiding groove 506 is fixedly connected with a rotating shaft 511, the surface of the rotating shaft 511 is respectively connected with a first rotating connecting rod 507 and a second rotating connecting rod 508 in a rotating manner, through the arrangement of the sliding rod 505, the screw 503 rotates to drive the sliding rod 505 to rotate, through the arrangement of the avoiding groove 506, the interference generated on the movement of the first rotating connecting rod 507 and the second rotating connecting rod 508 is prevented, and through the arrangement of the rotating shaft 511, the first rotating connecting rod 507 and the second rotating connecting rod 508 are fixedly supported.

The back of the first rotating link 507 is provided with a first mounting chamber 514, the front of the second rotating link 508 is provided with a second mounting chamber 512, the inner bottom wall of the second mounting chamber 512 is fixedly connected with a return spring 513, one end of the return spring 513 is fixedly connected with the inner bottom wall of the first mounting chamber 514, the left sides of the second rotating link 508 and the first rotating link 507 are fixedly connected with a rotating rod 509, one end of the rotating rod 509 is rotatably connected with a fixed pressing rod 510, the first mounting chamber 514 and the second rotating link 508 are arranged, after the first mounting chamber 514 and the second rotating link 508 are mutually separated, the return spring 513 is pulled up to give a movement space of the return spring 513, the return spring 513 is arranged to assist the first mounting chamber 514 and the second rotating link 508 to reset, and simultaneously before movement does not occur, the bottom ends of the first mounting chamber 514 and the second rotating link 508 are mutually separated, in preparation for the next movement, the rotating rod 509 and the fixed pressing rod 510 are provided, and the first installation chamber 514 and the second rotating link 508 move to press one side of the liquid crystal panel, so that the fixed pressing rod 510 fixes the front and rear positions of the upper surface of the liquid crystal panel, respectively, to be more stable.

As a preferred implementation manner in this embodiment, the rotation angle mechanism 6 includes a rotating rod 604 rotatably connected in the through hole, one end of the rotating rod 604 is fixedly connected with a rotating disc 605, one side of the rotating disc 605 is fixedly connected with a rocker 606, one end of the rotating rod 604 is fixedly connected with the right side of the fixed block 502, by setting the rotating rod 604, the fixed block 502 is fixedly supported, by setting the rocker 606, a worker can conveniently rotate the rotating operation, the rotating rocker 606 drives the rotating disc 605 to rotate, and the rotating disc 605 rotates to drive the rotating rod 604 to rotate.

The rotation hole has been seted up in the left side of backup pad 2, and the inner wall in rotation hole rotates and is connected with axis of rotation 601, and the left side fixed connection of board 4 is placed with the panel to the one end of axis of rotation 601, and the other end fixedly connected with external screw thread pole 607 of axis of rotation 601 is through setting up axis of rotation 601 for the panel is placed board 4 and is rotated and drive axis of rotation 601 and rotate, and axis of rotation 601 rotates and drive external screw thread pole 607 and rotate.

The surface threaded connection of external screw thread pole 607 has female screw sleeve 602, the one end fixedly connected with of female screw sleeve 602 rotates hand wheel 603, the other end fixedly connected with anti-skidding gasket 608 of female screw sleeve 602, anti-collision hole has been seted up on the left side of anti-skidding gasket 608, external screw thread pole 607 is located anti-collision hole, through setting up rotation hand wheel 603, female screw sleeve 602, anti-skidding gasket 608, make the operation workman rotate and rotate hand wheel 603 and drive female screw sleeve 602 and rotate, female screw sleeve 602 and external screw thread pole 607 threaded connection, make female screw sleeve 602 move towards the right side, drive anti-skidding gasket 608 and move towards the right side, it is fixed to laminate the card with the left side of backup pad 2.

This practical theory of operation:

the working principle of the utility model is as follows: a clamping device for testing a liquid crystal panel is characterized in that when a user uses the clamping device, a panel placing plate 4 is placed at a horizontal position, then the liquid crystal panel to be detected is placed on the panel placing plate 4, then a worker rotates a handle 504, the handle 504 rotates to drive a screw 503 to rotate, the screw 503 rotates to drive a sliding rod 505 to move downwards, before the movement, due to the position of a return spring 513, the bottom ends of a first mounting chamber 514 and a second rotating connecting rod 508 are always kept away from each other to prepare for the next movement, the rounded surface at the bottom ends of the second rotating connecting rod 508 and a first rotating connecting rod 507 is contacted with the detected liquid crystal panel in the movement process, the sliding rod 505 continues to move downwards, so that the bottom ends of the second rotating connecting rod 508 and a first rotating connecting rod 507 are kept away from each other, the top ends of the second rotating connecting rod 508 and the first rotating connecting rod 507 rotate around a rotating shaft 511, the bottom ends of the second rotating connecting rod 508 and the first rotating connecting rod 507 slide along the upper surface of the liquid crystal panel, when the second rotating connecting rod 508 and the first rotating connecting rod 507 are gradually kept on a horizontal plane, the return spring 513 is positioned between the second installation chamber 512 and the first installation chamber 514, the second rotating connecting rod 508 and the first rotating connecting rod 507 fix the upper surface of the liquid crystal panel, the fixed pressing rod 510 on the second rotating connecting rod 508 and the fixed pressing rod 510 on the first rotating connecting rod 507 fix the front and back position of the upper surface of the liquid crystal panel, when the angle needs to be adjusted, the rotation is reversed, when the angle needs to be adjusted, the rocker 606 is rotated, the rocker 606 is eccentric to the rotating disc 605, the rotating disc 605 is rotated to drive the rotating rod 604 to rotate, the rotating rod 604 is rotated to drive the fixing block 502 to rotate, the fixing block 502 drives the fixing connecting rod 501 to rotate, fixed connecting rod 501 rotates and drives panel placing plate 4 to rotate, panel placing plate 4 rotates and drives rotation shaft 601 to rotate, rotation shaft 601 rotates and drives external thread rod 607 to rotate, external thread rod 607 rotates and drives internal thread sleeve 602 to rotate, after the angle that needs to be fixed is adjusted, the operation workman rotates and rotates hand wheel 603, it rotates and drives internal thread sleeve 602 to rotate hand wheel 603, keep rotation shaft 601 not to rotate this moment, internal thread sleeve 602 and external thread rod 607 threaded connection, make internal thread sleeve 602 move towards the right side, drive anti-skidding gasket 608 and move towards the right side, until moving to the left side of backup pad 2, increase its friction by the pressure of internal thread sleeve 602, prevent rotation shaft 601 from rotating, keep the panel placing plate 4's of this moment stable, and in the same way, reverse rotation hand wheel 603, the angle is adjusted once more fixed, in order to satisfy the test demand of each angle.

Finally, it should be noted that: 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 various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the present invention.

Claims

1. The clamping device for the liquid crystal panel test comprises a bottom plate (1) and is characterized in that: the upper surface of bottom plate (1) is fixedly connected with backup pad (2), the upper surface of bottom plate (1) is fixedly connected with bracing piece (3), the through-hole has been seted up on the right side of bracing piece (3), the inner wall of through-hole rotates and is connected with rotation angle mechanism (6), the one end fixedly connected with buffering of rotation angle mechanism (6) presss from both sides tight fixed establishment (5), board (4) are placed to the left side fixedly connected with panel that the buffering pressed from both sides tight fixed establishment (5).

2. The clamping device for testing the liquid crystal panel according to claim 1, wherein the clamping device comprises: two fixed connecting rod (501), two on board (4) right side are placed including fixed connection in the panel to buffering clamp fixing mechanism (5) the same fixed block (502) of the equal fixedly connected with in right side of fixed connecting rod (501), the sliding tray has been seted up in the left side of fixed block (502), the aperture has been seted up to the upper surface of fixed block (502), the inner wall of aperture rotates and is connected with screw rod (503), the top fixedly connected with handle (504) of screw rod (503), the bottom of screw rod (503) rotates with the inner diapire of sliding tray and is connected.

3. The clamping device for testing the liquid crystal panel as claimed in claim 2, wherein: the surperficial threaded connection of screw rod (503) has slide bar (505), the front of slide bar (505) and the inner wall sliding connection of sliding tray, dodge groove (506) has been seted up to the lower surface of slide bar (505), the inner wall fixedly connected with rotation axis (511) of dodging groove (506), the surface of rotation axis (511) rotates respectively and is connected with first rotation connecting rod (507), second rotation connecting rod (508).

4. The clamping device for testing the liquid crystal panel according to claim 3, wherein the clamping device comprises: first installation room (514) have been seted up at the back of first rotation connecting rod (507), second installation room (512) have been seted up in the front of second rotation connecting rod (508), interior diapire fixedly connected with reset spring (513) of second installation room (512), the one end of reset spring (513) and the interior diapire fixed connection of first installation room (514), the equal fixedly connected with dwang (509) in left side of second rotation connecting rod (508), first rotation connecting rod (507), the one end of dwang (509) is rotated and is connected with fixed pressing rod (510).

5. The clamping device for testing the liquid crystal panel according to claim 1, wherein the clamping device comprises: the rotating angle mechanism (6) comprises a rotating rod (604) which is rotatably connected in the through hole, one end of the rotating rod (604) is fixedly connected with a rotating disc (605), one side of the rotating disc (605) is fixedly connected with a rocker (606), and one end of the rotating rod (604) is fixedly connected with the right side of the fixing block (502).

6. The clamping device for testing the liquid crystal panel according to claim 1, wherein the clamping device comprises: the left side of backup pad (2) has been seted up and has been rotated the hole, the inner wall in rotation hole rotates and is connected with axis of rotation (601), the left side fixed connection of board (4) is placed with the panel to the one end of axis of rotation (601), the other end fixedly connected with external screw thread pole (607) of axis of rotation (601).

7. The clamping device for testing the liquid crystal panel according to claim 6, wherein the clamping device comprises: the surperficial threaded connection of external screw thread pole (607) has internal thread sleeve (602), the one end fixedly connected with of internal thread sleeve (602) rotates hand wheel (603), the other end fixedly connected with anti-skidding gasket (608) of internal thread sleeve (602), anticollision hole has been seted up in the left side of anti-skidding gasket (608), external screw thread pole (607) are located the anticollision downthehole.