CN213235694U

CN213235694U - A lamination equipment that is used for pressfitting pressure head structure of pressfitting LCD screen and contains this pressure head structure

Info

Publication number: CN213235694U
Application number: CN202020343205.0U
Authority: CN
Inventors: 李忠; 汪元欣; 邢正江; 肖丹
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-05-18
Anticipated expiration: 2030-03-18

Abstract

The utility model provides a pressure head structure for pressfitting LCD screen, including the pressfitting module, the pressfitting module includes clamp plate, pressure head, and the pressure head is installed on the clamp plate; the pressing plate is used for being connected with the pressing equipment, and acting force is applied to the pressing plate through the pressing equipment, so that the pressing head pushes and presses the liquid crystal panel, and the liquid crystal panel and the shell are pressed to form the liquid crystal screen; the pressure head sets up in the position department that corresponds around the liquid crystal display panel outer fringe, and when pressfitting module pressfitting LCD screen, pressure head and liquid crystal display panel outer fringe department contact bulldoze liquid crystal display panel's outer fringe through the pressure head, have avoided the inside thin film transistor who is used for showing of extrusion liquid crystal display panel, prevent that thin film transistor is impaired, this pressure head structure convenient to use, the maintenance of being convenient for.

Description

A lamination equipment that is used for pressfitting pressure head structure of pressfitting LCD screen and contains this pressure head structure

Technical Field

The utility model belongs to the automation field, concretely relates to a pressure head structure for pressfitting LCD screen, still concretely relates to lamination equipment.

Background

The liquid crystal display is a commonly used display device, because the liquid crystal panel contains precise electronic devices, the liquid crystal panel needs to be installed in the shell to protect the liquid crystal panel to form a complete product, the common assembling mode at present is that the liquid crystal panel and the shell are stacked through gluing, then the liquid crystal panel and the shell are pressed by using pressing equipment, and after the shell and the liquid crystal panel are firmly bonded, the shell and the liquid crystal panel are fixedly connected, so that the assembly is completed;

among the current lamination equipment, the pressfitting face and the liquid crystal display panel contact of pressure head bulldoze to liquid crystal display panel and make liquid crystal display panel and shell accomplish the pressfitting, however, current pressure head requirement and the laminating of liquid crystal display panel surface, when the pressure that lamination equipment applyed was too big, can make the interior thin film transistor of liquid crystal display panel impaired to cause the product to damage.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a pressing mechanism for assembling LCD screen.

The utility model provides a pressure head structure for pressfitting LCD screen, including the pressfitting module, the pressfitting module includes clamp plate, pressure head, the pressure head is installed on the clamp plate; wherein,

the pressing plate is used for being connected with the pressing equipment, and acting force is applied to the pressing plate through the pressing equipment, so that the pressing head pushes and presses the liquid crystal panel, and the liquid crystal panel and the shell are pressed to form the liquid crystal screen;

the pressure head is arranged at a position correspondingly surrounding the outer edge of the liquid crystal panel, and when the pressing module presses the liquid crystal screen, the pressure head is in contact with the outer edge of the liquid crystal panel.

Preferably, the pressing module further comprises a cushion block, and the cushion block is installed between the pressing plate and the pressing head; the shape of the cushion block corresponds to the pressure head.

Preferably, the pressing module further comprises a sliding column, and the sliding column is connected with the pressing plate in a sliding manner, so that the pressing plate slides along the direction of the sliding column.

Preferably, a base plate is installed on the pressing plate, and a sleeve is embedded in the base plate;

the sleeve is limited and fixed through the pressing plate and the base plate, and the sliding column slides in the sleeve.

Preferably, the backing plate is provided with a buffer block, and the buffer block is used for contacting with the laminating equipment.

Preferably, the pressing equipment with the pressure head structure comprises a pressing mechanism body, wherein the pressing mechanism body comprises the pressing module, the connecting module and the pressure assembly;

the sliding column is fixedly connected with the connecting module, a pressure sensor is mounted on the connecting module, and the pressure sensor is arranged on one side close to the pressing plate;

the pressure assembly drives the connecting module to move towards the liquid crystal panel, so that the pressure head is in contact with the liquid crystal panel, the pressure sensor is in contact with the buffer block, and the liquid crystal panel and the shell are pressed.

Preferably, the pressing mechanism body comprises a fixed support for fixedly supporting the pressing mechanism body, the fixed support comprises an upper cover plate, a guide pillar and a lower base plate, the upper cover plate and the lower base plate are fixedly connected through the guide pillar, and the pressure assembly is mounted on the upper cover plate;

the fixed support further comprises a driving plate, a guide sleeve is mounted on the driving plate, and the guide sleeve is connected with the guide pillar in a sliding mode;

the driving plate is connected with the connecting module, and the driving plate is driven by the pressure assembly to slide along the guide pillar direction, so that the connecting module moves along with the driving plate.

Preferably, the pressure assembly comprises a transmission module and a driving module, the driving module comprises a motor and a driving wheel, the transmission module comprises a screw rod and a driven wheel, and a nut seat is mounted on the driving plate;

the motor drives the driving wheel to rotate, so that the driven wheel is driven to rotate, the screw rod is driven to rotate, and the motor drives the driving plate to move along the direction of the guide pillar through the matching of the screw rod and the nut seat.

Preferably, the connecting module further comprises a micrometer and an adjusting block, and the adjusting block is mounted on the connecting plate;

the micrometer drives the adjusting block to move along the horizontal direction, so that the position of the pressing module connected with the adjusting block is adjusted.

Preferably, a position sensor is further mounted on the fixing support, the position sensor includes a photoelectric sensor, a detection end of the photoelectric sensor is mounted on the lower base plate, an induction sheet of the photoelectric sensor is mounted on the driving plate, and the position of the driving plate is detected by the position sensor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a pressure head structure for pressfitting LCD screen bulldozes LCD panel's outer fringe through the pressure head, has avoided the inside thin film transistor who is used for the demonstration of extrusion LCD panel, prevents that thin film transistor is impaired, improves the synthetic product rate, improves production efficiency, the utility model discloses convenient to use, simple structure.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a right side view of a press module according to an embodiment of the present invention;

fig. 2 is a bottom view of the pressing module according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an embodiment of the present invention;

fig. 4 is a schematic perspective view illustrating a second embodiment of the present invention;

fig. 5 is a right side view of the present invention in one embodiment;

fig. 6 is a partially enlarged schematic view of fig. 5.

Shown in the figure:

51. fixing a bracket; 511. an upper cover plate; 512. a drive plate; 5121. a guide sleeve; 5122. a nut seat; 513. a guide post; 514. a lower base plate; 515. a position sensor; 52. a transmission module; 521. a screw rod; 522. a driven wheel; 53. a connecting module; 531. a connecting plate; 532. a micrometer; 533. an adjusting block; 534. connecting columns; 535. a pressure sensor; 54. a pressing module; 541. pressing a plate; 542. a sliding post; 543. a pressure head; 544. cushion blocks; 545. a base plate; 546. a sleeve; 547. a buffer block; 55. a driving module; 551. a motor; 552. a driving wheel.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, "depth" corresponds to the dimension from front to back, "closed" indicates that the vehicle is easy to pass but not accessible to the operator, and "annular" corresponds to the circular shape. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 3-6, the pressing mechanism for assembling the liquid crystal display includes a pressing mechanism body, the pressing mechanism body includes a connection module 53 and a pressing module 54, the pressing module 54 includes a pressing plate 541, the pressing plate 541 is used for pressing a workpiece, and the pressing plate 541 is slidably connected to the connection module 53; the connecting module 53 is provided with a pressure sensor 535, and the pressure sensor 535 is arranged at one side close to the pressure plate 541;

the pressing module 54 presses the workpiece by self weight, an acting force is applied to the other side surface of the connecting module 53, the connecting module 53 moves towards the direction of the pressing plate 541 under the action of the acting force, so that the pressure sensor 535 is contacted with the pressing plate 541, the acting force on the connecting module 53 acts on the pressing module 54, the pressing module 54 presses the workpiece for the second time, and the pressing assembly of the liquid crystal panel and the shell in the workpiece is realized; because the liquid crystal panel and the shell are uncertain in the stacking process, the stacking height of the liquid crystal panel and the shell has errors, the liquid crystal panel and the shell are pressed by using general pressing equipment, the pressing precision is influenced because the pressing force applied to the workpiece is different due to misjudgment of a detector in the pressing equipment, the workpieces with different stacking heights are pre-pressed by the self weight of the pressing module 54 in the pressing mechanism, the workpiece with different stacking heights is adjusted to play a role equivalent to positioning, the workpiece is pressed by the pressing module 54 to be compacted, the workpieces are firmly connected by pre-pressing for the second time after the workpieces are adjusted by pre-pressing, and therefore assembly is completed, the pressing mechanism is suitable for stacking the workpieces with different heights, and the pressing precision is guaranteed.

As shown in fig. 1 and 2, since the liquid crystal panel includes the tft glass substrate, each liquid crystal pixel is driven by a tft integrated behind the tft glass substrate, and in the pressing process, the pressing module 54 needs to contact with the surface of the liquid crystal panel, and the pressing module 54 needs to apply pressure to the surface of the liquid crystal panel to fix the liquid crystal panel to the housing, the pressing surface of the common pressing device contacts with the surface of the liquid crystal panel, and the pressing device is prone to damage the tft inside, in order to avoid the damage of the tft inside by the pressing module 54, a spacer block 544 is installed on one side of the pressing plate 541 close to the workpiece of the pressing mechanism, and the spacer block 544 is installed at a position corresponding to the outer edge of the liquid crystal panel, so that the pressing module 54 applies force to the edge of the liquid crystal panel, avoiding the display position in the middle of the liquid crystal panel, and ensuring the fixation of the liquid, the liquid crystal panel is required to be glued and fixed, and the edge position of the liquid crystal panel is glued, so that the cushion block 544 is pressed on the glued position of the liquid crystal panel, the liquid crystal panel and the shell are conveniently fixed, and the liquid crystal panel and the shell are prevented from being degummed;

the pad 544 is provided with a pressure head 543, when the pressing module 54 presses the liquid crystal panel, the pressure head 543 contacts with the outer edge of the liquid crystal panel, the pressure head 543 is made of common elastic polymer material, including the pressure head 543 made of silica gel material, so as to reduce the damage of the pressing module 54 to the liquid crystal panel.

Make the pressure head 543 keep away from clamp plate 541 through setting up cushion 544, increased the distance between clamp plate 541 and the liquid crystal display panel, avoided because of pushing down and the elastic deformation of pressure head 543 for clamp plate 541 contacts with the liquid crystal display panel, reduced the pressure head 543 use amount that silica gel material made simultaneously, material saving reduces the cost.

The pressing module 54 further includes a sliding column 542, the sliding column 542 is slidably connected to the pressing plate 541, so that the pressing plate 541 slides along the direction of the sliding column 542, a base plate 545 is installed on the pressing plate 541, and a sleeve 546 is embedded in the base plate 545; the sleeve 546 is limited and fixed by the pressing plate 541 and the backing plate 545, the sliding column 542 slides in the sleeve 546, and one end of the sliding column 542 is fixedly installed on the connecting module 53, so that a gap exists between the pressing plate 541 and the pressure sensor 535, and the pressing module 54 can conveniently slide in a certain distance.

The backing plate 545 is provided with a buffer block 547, the buffer block 547 is used for contacting with the laminating equipment, the buffer block 547 contacts with the pressure sensor 535, the pressure sensor 535 is prevented from colliding with the laminating module 54 through the buffer block 547, and the pressure sensor 535 is protected.

The pressing mechanism body comprises a fixed bracket 51 for fixedly supporting the pressing mechanism body and a pressure assembly for generating an acting force for driving the connecting module 53; the fixing bracket 51 is fixed on the substrate such that the pressing mechanism forms a fixed structure, the pressing member is mounted on the fixing bracket 51, and the pressing member drives the connecting module 53 such that the pressing module 54 is pressed with the workpiece.

In a preferred embodiment, the fixing bracket 51 comprises an upper cover plate 511, guide posts 513 and a lower base plate 514, the upper cover plate 511 and the lower base plate 514 are fixedly connected by the guide posts 513, so that the upper cover plate 511, the lower base plate 514 and the guide posts 513 are connected to form a fixed structure, and the pressure assembly is mounted on the upper cover plate 511; the fixed bracket 51 further comprises a driving plate 512, a guide sleeve 5121 is mounted on the driving plate 512, and the guide sleeve 5121 is connected with the guide pillar 513 in a sliding manner; the driving plate 512 is connected to the connecting module 53, and the driving plate 512 is driven by the pressure assembly to slide along the direction of the guide post 513, so that the connecting module 53 moves along with the driving plate 512, and then the connecting module 53 is driven to contact with the pressing module 54, so that the pressure generated by the pressure assembly is transmitted to the pressing module 54, and the liquid crystal display is pressed by the pressure generated by the pressure assembly.

In a preferred embodiment, the pressure assembly comprises a transmission module 52 and a driving module 55, the driving module 55 comprises a motor 551 and a driving wheel 552, the driving wheel 552 is connected with a driving part of the motor 551, the transmission module 52 comprises a screw rod 521 and a driven wheel 522, the driven wheel 522 is connected with the screw rod 521, and a nut seat 5122 for matching with the screw rod 521 is mounted on the driving plate 512; the motor 551 drives the driving wheel 552 to rotate, so as to drive the driven wheel 522 to rotate, further drive the screw 521 to rotate, the nut seat 5122 is in threaded connection with the screw 521, the motor 551 rotates and sequentially transmits through the driving wheel 552, the driven wheel 522, the screw 521 and the nut seat 5122, so that the driving plate 512 moves along the direction of the guide pillar 513, and the driving plate 512 pushes the connecting module 53 to be pressed.

The motor 551 is arranged between the upper cover plate 511 and the lower base plate 514, and the driving plate 512 is provided with a notch which is used for installing the motor 511; the motor 551 is arranged between the upper cover plate 511 and the lower base plate 514, the height of the pressing mechanism body is reduced, the height of a fixing structure formed by the upper cover plate 511, the lower base plate 514 and the guide post 513 is fixed, and meanwhile, the screw rod 521 is inserted into the upper cover plate 511 and the lower base plate 514, so that a larger space exists between the upper cover plate 511 and the lower base plate 514, and the motor 551 is placed in the inner space between the upper cover plate 511 and the lower base plate 514 in order to reasonably utilize the inner space between the upper cover plate 511 and the lower base plate 514.

The connecting module 53 includes a connecting plate 531 and a connecting column 534, the driving plate 512 is fixedly connected to the connecting plate 531 through the connecting column 534, the driving plate 512 and the connecting plate 531 are disposed on two sides of the bottom plate 514, the connecting column 534 penetrates through the bottom plate 514, and the connecting column 534 is slidably connected to the bottom plate 514.

The connecting module 53 further comprises a micrometer 532 and an adjusting block 533, wherein the adjusting block 533 is mounted on the connecting plate 531; drive regulating block 533 through micrometer 532 and remove along the horizontal direction to adjust the pressfitting module 54 position of being connected with regulating block 533, wherein, micrometer 532 is fixed on connecting plate 531, and micrometer 532 sets up towards two mutually perpendicular directions of regulating block 533, through rotating micrometer 532, makes regulating block 533 slide in the horizontal direction, thereby drives pressfitting module 54 and removes, adjusts the position of pressfitting module 54 in order to adapt to the position of pressfitting work piece.

Still install position sensor 515 on the fixed bolster 51, position sensor 515 includes photoelectric sensor, and photoelectric sensor's sense terminal is installed on lower plate 514, and photoelectric sensor's response piece is installed on drive plate 512, detects drive plate 512 position through position sensor 515, through the moving distance of a plurality of position sensor 515 control drive plate 512, avoids drive plate 512 to push down the too deep damage work piece in position.

The utility model provides a pressure head structure for pressfitting LCD screen bulldozes the outer fringe of liquid crystal display panel through the pressure head, has avoided the thin film transistor who is used for showing of extrusion liquid crystal display panel inside, prevents that thin film transistor from damaging, improves the pressfitting product rate, improves production efficiency; the cushion block is arranged between the pressure head and the pressure plate, so that the pressure plate is prevented from contacting the liquid crystal panel, and the height of the pressure head is reduced, so that the material use of the pressure head is reduced, the material is saved, and the cost is reduced; the pressing equipment with the pressing head structure is in sliding connection with the connecting module through the pressing module, under the driving of the pressure assembly, the pressing module is firstly contacted with the liquid crystal panel, and the connecting module continues to move, so that the pressure sensor is contacted with the pressing module for pressing, the pressing equipment is suitable for the liquid crystal panels and the shells with different stacking heights, and the pressing precision is ensured; the motor is arranged between the upper cover plate and the lower bottom plate, so that the height of the pressing mechanism body is reduced; move along the horizontal direction through micrometer drive regulating block to adjust pressfitting module position, the utility model discloses convenient to use, the structure is reliable.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. A pressure head structure for pressfitting LCD screen, including pressfitting module (54), its characterized in that: the pressing module (54) comprises a pressing plate (541) and a pressing head (543), wherein the pressing head (543) is installed on the pressing plate (541); wherein,

the pressing plate (541) is used for being connected with a pressing device, and acting force is applied to the pressing plate (541) through the pressing device, so that the pressing head (543) pushes the liquid crystal panel, and the liquid crystal panel and the shell are pressed to form a liquid crystal screen;

the pressure head (543) is arranged at a position corresponding to the outer edge of the surrounding liquid crystal panel, and when the pressing module (54) presses the liquid crystal screen, the pressure head (543) is in contact with the outer edge of the liquid crystal panel.

2. A head structure for laminating a liquid crystal panel as recited in claim 1, wherein: the pressing module (54) further comprises a cushion block (544), and the cushion block (544) is installed between the pressing plate (541) and the pressing head (543); the shape of the pad block (544) corresponds to the ram (543).

3. A head structure for laminating a liquid crystal panel as recited in claim 1, wherein: the pressing module (54) further comprises a sliding column (542), and the sliding column (542) is connected with the pressing plate (541) in a sliding mode, so that the pressing plate (541) slides along the direction of the sliding column (542).

4. A head structure for laminating a liquid crystal panel as recited in claim 3, wherein: a base plate (545) is installed on the pressure plate (541), and a sleeve (546) is embedded in the base plate (545);

the sleeve (546) is limited and fixed through the pressing plate (541) and the base plate (545), and the sliding column (542) slides in the sleeve (546).

5. A head structure for laminating a liquid crystal panel as recited in claim 4, wherein: the backing plate (545) is provided with a buffer block (547), and the buffer block (547) is used for being in contact with a laminating device.

6. Contain this pressure head structure's lamination equipment, including the lamination mechanism body, its characterized in that: the pressing mechanism body comprises a pressing module (54), a connecting module (53) and a pressure component as claimed in claim 5;

the sliding column (542) is fixedly connected with the connecting module (53), a pressure sensor (535) is installed on the connecting module (53), and the pressure sensor (535) is arranged on one side close to the pressing plate (541);

the pressure assembly drives the connecting module (53) to move towards the liquid crystal panel, so that the pressure head (543) is in contact with the liquid crystal panel, and the pressure sensor (535) is in contact with the buffer block (547), and the liquid crystal panel and the shell are pressed.

7. The laminating device of claim 6, wherein: the pressing mechanism body comprises a fixed support (51) for fixedly supporting the pressing mechanism body, the fixed support (51) comprises an upper cover plate (511), a guide post (513) and a lower base plate (514), the upper cover plate (511) and the lower base plate (514) are fixedly connected through the guide post (513), and the pressure assembly is installed on the upper cover plate (511);

the fixing support (51) further comprises a driving plate (512), a guide sleeve (5121) is mounted on the driving plate (512), and the guide sleeve (5121) is connected with the guide post (513) in a sliding manner;

the driving plate (512) is connected with a connecting plate (531) on the connecting module (53), and the driving plate (512) is driven by the pressure assembly to slide along the guide pillar (513), so that the connecting module (53) moves along with the driving plate (512).

8. The laminating device of claim 7, wherein: the pressure assembly comprises a transmission module (52) and a driving module (55), the driving module (55) comprises a motor (551) and a driving wheel (552), the transmission module (52) comprises a screw rod (521) and a driven wheel (522), and a nut seat (5122) is mounted on the driving plate (512);

the motor (551) drives the driving wheel (552) to rotate, so that the driven wheel (522) is driven to rotate, the screw rod (521) is driven to rotate, the motor (551) drives the driving plate (512) to move along the direction of the guide post (513) through the matching of the screw rod (521) and the nut seat (5122).

9. The laminating device of claim 7, wherein: the connecting module (53) further comprises a micrometer (532) and an adjusting block (533), and the adjusting block (533) is installed on the connecting plate (531);

the micrometer (532) drives the adjusting block (533) to move along the horizontal direction, so that the position of the pressing module (54) connected with the adjusting block (533) is adjusted.

10. The laminating device of claim 7, wherein: still install position sensor (515) on fixed bolster (51), position sensor (515) include photoelectric sensor, photoelectric sensor's sense terminal is installed on lower plate (514), photoelectric sensor's response piece is installed on drive plate (512), through position sensor (515) detection drive plate (512) position.