CN212318463U

CN212318463U - Assembling mechanism for liquid crystal screen

Info

Publication number: CN212318463U
Application number: CN202020344523.9U
Authority: CN
Inventors: 肖丹; 邢正江; 李忠; 汪元欣
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: 2021-01-08
Anticipated expiration: 2030-03-18

Abstract

The utility model provides a fitting mechanism for a liquid crystal screen, which comprises a portal frame, a grabbing component and a transmission line body; the gantry comprises a fixed structure for supporting the grabbing component and a linear driver, wherein the linear driver is arranged on the fixed structure of the gantry; the grabbing component is used for grabbing the liquid crystal panel and is arranged on the movable end of the linear driver; the transmission line body is used for transmitting a carrier, and a shell used for matching with the liquid crystal panel is placed on the carrier; the grabbing component is driven by the linear driver, so that the grabbing component can grab the liquid crystal panel and then move close to the carrier of the transmission line body, the liquid crystal panel is placed on the shell of the carrier in a matched mode, the liquid crystal screen is assembled, and the mechanism is reliable in structure and convenient to use.

Description

Assembling mechanism for liquid crystal screen

Technical Field

The utility model belongs to the automation field, concretely relates to dress closes mechanism for LCD screen.

Background

The liquid crystal panel is a commonly used display device, the liquid crystal panel is required to be installed in a shell to form a complete product at present, the common assembling mode is that the liquid crystal panel and the shell are stacked through gluing, then the liquid crystal panel and the shell are pressed by a pressing device, and when the shell and the liquid crystal panel are firmly bonded, the shell and the liquid crystal panel are fixedly connected;

before the pressing station, the liquid crystal panel and the shell need to be accurately stacked and assembled, so that the liquid crystal panel can be pressed into the shell in the subsequent pressing step, the liquid crystal panel is guaranteed not to be separated from the shell, and the liquid crystal panel and the shell need to be accurately assembled and assembled.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a mechanism that closes for LCD screen.

The utility model provides a fitting mechanism for a liquid crystal screen, which comprises a portal frame, a grabbing component and a transmission line body; wherein,

the portal frame comprises a fixed structure for supporting the grabbing component and a linear driver, and the linear driver is arranged on the fixed structure of the portal frame;

the grabbing component is used for grabbing the liquid crystal panel and is installed on the movable end of the linear driver;

the transmission line body is used for transmitting a carrier, and a shell used for matching with the liquid crystal panel is placed on the carrier; the grabbing component is driven by the linear driver, so that the grabbing component can grab the liquid crystal panel and then move close to the carrier on the transmission line body, and the liquid crystal panel is placed on the shell on the carrier in a matched mode.

Preferably, the gantry further includes a positioning detection device, and the positioning detection device corresponds to the position of the carrier on the transmission line body.

Preferably, a light source for illumination is installed on one side of the transmission line body, and the position of the light source corresponds to the positioning detection device.

Preferably, a positioning block is mounted on the carrier, the positioning block is arranged on one side far away from the light source, and the bearing position of the shell is limited through the positioning block.

Preferably, the film clamping device further comprises a film clamping assembly, the film clamping assembly comprises a second rotary cylinder, a clamping jaw part is arranged on the second rotary cylinder, the clamping jaw part is driven to be closed through the second rotary cylinder, and a first clamping block and a second clamping block are mounted on the clamping jaw part;

the linear driver drives the grabbing assembly, the grabbing assembly grabs the liquid crystal panel and moves to the film clamping assembly, and the film on the liquid crystal panel is clamped tightly through the first clamping block and the second clamping block, so that the film is stripped from the liquid crystal panel.

Preferably, the first clamping block and the second clamping block are provided with tooth-shaped protruding blocks, so that the protruding blocks are meshed when the first clamping block and the second clamping block are closed, and the film is bent and clamped.

Preferably, the film clamping assembly further comprises a first rotary cylinder, and the first rotary cylinder drives the second rotary cylinder to rotate, so that the film is turned over.

Preferably, the grabbing component comprises a connecting bracket, a vertical driving module and a grabbing unit;

the connecting support is connected with the linear driver, the vertical driving module is installed on the connecting support, and the vertical driving module drives the grabbing unit to move in the vertical direction.

Preferably, the grasping unit comprises an airway block and a sucker; the inside air flue that has seted up of air flue block, the sucking disc is installed on one side that the air flue block is close to liquid crystal display panel, the air flue block is connected with outside negative pressure equipment.

Preferably, a sucker fixing plate is arranged on one side, close to the liquid crystal panel, of the air channel block, and a through hole for the sucker to pass through is formed in the sucker fixing plate;

a load sensor is arranged between the sucker fixing plate and the air channel block; and detecting the load force of the sucker fixing plate on the liquid crystal panel through the load sensor.

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

the utility model provides a pair of dress for LCD screen closes mechanism, include the portal frame, snatch the subassembly, the transmission line body, snatch the subassembly through the linear actuator drive on the portal frame, the liquid crystal display panel who will grab removes to the carrier of the transmission line body on for the accurate shell of putting on the carrier of liquid crystal display panel, thereby realize automatic dress and close, improve work 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 schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view illustrating a second embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

fig. 4 is a schematic perspective view of the grasping assembly according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a film clamping assembly according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a transmission mechanism according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a carrier according to an embodiment of the present invention.

Shown in the figure:

31. a gantry; 311. a column; 312. a linear actuator; 313. positioning a detector; 32. a grasping assembly; 321. connecting a bracket; 322. a vertical driving module; 323. a drive block; 324. an airway block; 325. a sucker fixing plate; 33. a film clamping assembly; 331. a first rotary cylinder; 332. a second rotary cylinder; 333. a jaw portion; 334. a first clamping block; 335. a second clamp block; 71. a transmission line body; 711. a light source; 73. a carrier; 731. and (5) positioning the blocks.

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. 1 and 2, an assembling mechanism for a liquid crystal display includes a gantry 31, a grabbing component 32, and a transmission line body 71; wherein,

the gantry 31 comprises a fixed structure for supporting the grabbing component 32 and a linear driver 312, and the linear driver 312 is installed on the fixed structure of the gantry 31; the fixed structure comprises a vertical column 311 and a cross beam, wherein the linear driver 312 is arranged on the cross beam and supports the cross beam through the vertical column 311, and the vertical column 311 is fixed on the substrate; the grasping assembly 32 is used for grasping the liquid crystal panel, and the grasping assembly 32 is installed on the movable end of the linear driver 312; in a preferred embodiment, the number of the linear drivers 312 is two, and the two linear drivers 312 drive the grabbing component 32 to move in the same direction, so that the grabbing component 32 moves more stably; since the grasping assembly 32 needs to grasp the liquid crystal panel, the grasping assembly 32 has a large weight, and the grasping assembly 32 is easily deviated by being driven by a linear driver 312, and in order to stabilize the movement of the grasping assembly 32, the linear drivers 312 are respectively disposed at both sides of the grasping assembly 32, and simultaneously the grasping assembly 32 is driven.

As shown in fig. 6 and 7, the transmission line body 71 is used for transmitting a carrier 73, and a housing for matching with the liquid crystal panel is placed on the carrier 73; the grabbing component 32 is driven by the linear driver 312, so that the grabbing component 32 grabs the liquid crystal panel and then moves close to the carrier 73 on the transmission line body 71, the liquid crystal panel is placed on the shell on the carrier 73 in a matching manner, the grabbing component 32 is driven by the linear driver 312 to accurately move to the position above the carrier 73, and the liquid crystal panel is accurately assembled with the shell.

As shown in fig. 3, the gantry 31 further includes a positioning detection device 313, and the positioning detection device 313 corresponds to the position of the carrier 73 on the transmission line body 71; the positioning detection device 313 includes a vision detector including a camera, and the camera photographs the stacking relationship between the housing and the liquid crystal panel on the carrier 73, thereby detecting whether the housing and the liquid crystal panel are accurately assembled, and ensuring the assembling precision.

Further, in order to ensure the camera shooting quality, a light source 711 for illumination is installed on one side of the transmission line body 71, and the position of the light source 711 corresponds to the positioning detection device 313.

A positioning block 731 is arranged on the carrier 73, the positioning block 731 is arranged on one side far away from the light source 711, and the bearing position of the shell is limited by the positioning block 731; to ensure the light source 711 emits light, the positioning block 731 is disposed on the side away from the light source 711.

In order to ensure that the shell is fixedly connected with the liquid crystal panel, industrial glue is sprayed on the contact surface of the liquid crystal panel and the shell, so that the shell is firmly bonded with the liquid crystal panel, the glue sprayed on the liquid crystal panel is prevented from contacting with external impurities in the transmission process, a thin film is covered on the side, sprayed with the glue, of the liquid crystal panel, the side, sprayed with the glue, of the liquid crystal panel is isolated from the external air, the assembling mechanism further comprises a film clamping component 33, and the thin film covered on the liquid crystal panel is torn off before the shell and the liquid crystal panel are assembled through the film clamping component 33; the film clamping assembly 33 comprises a second rotary cylinder 332, the second rotary cylinder 332 is provided with a clamping claw part 333, and the clamping claw part 333 is driven to be closed by the second rotary cylinder 332; the clamping jaw part 333 is provided with a first clamping block 334 and a second clamping block 335;

as shown in fig. 5, after the driving device drives the grabbing component 32 to grab the liquid crystal panel, the driving device drives the grabbing component 32 to move to the film clamping component 33, the second rotating cylinder 332 drives the two-side clamping claw portions 333 to close, so that the first clamping block 334 and the second clamping block 335 are close to each other, and further clamp the film 83 on the liquid crystal panel, the grabbing component 32 grabs and fixes the liquid crystal panel, the film clamping component 33 clamps the film 83, and under the drive of the driving device, the grabbing component 32 carries the liquid crystal panel, so that the film clamping component 33 clamps the film 83, and the film 83 is peeled off from the liquid crystal panel, thereby automatically tearing the film, saving labor cost, improving production efficiency, facilitating automatic operation in a closed environment, placing the film tearing mechanism in an isolated environment to work, and facilitating sealing operation.

Further, the first clamping block 334 and the second clamping block 335 are provided with tooth-shaped convex blocks similar to teeth of a gear, the first clamping block 334 is provided with a convex block, the second clamping block 335 is provided with two convex blocks, so that the convex blocks are engaged when the first clamping block 334 and the second clamping block 335 are folded, the convex block on the first clamping block 334 is folded between the two convex blocks of the second clamping block 335, so that the convex blocks are engaged as two gears, the film 83 is arranged between the first clamping block 334 and the second clamping block 335, when the first clamping block 334 and the second clamping block 335 are folded, the film 83 is bent and clamped by the convex blocks on the first clamping block 334 and the second clamping block 335, so that the film 83 is fixed, and the film 83 is prevented from moving along with the liquid crystal panel when the driving device drives the grabbing assembly 32, so that the film 83 is not peeled off from the liquid crystal panel.

Further, the film clamping assemblies 33 are arranged on two sides of the grabbing assembly 32, protrusions convenient for the film clamping assemblies 33 to clamp are arranged on two corresponding sides of the film 83 on the liquid crystal panel, and the film 83 protrudes out of the liquid crystal panel, so that the film clamping assemblies 33 can be grabbed conveniently.

The sensors are arranged on the first clamping block 334 and the second clamping block 335, the sensors on the first clamping block 334 and the second clamping block 335 are enabled to sense through the folding of the first clamping block 334 and the second clamping block 335, the sensors have a time delay function, and after the first clamping block 334 and the second clamping block 335 are folded, the sensors control the second rotary air cylinder 332 to open after a period of time, so that the film 83 on the next liquid crystal panel can be torn off conveniently.

Because the liquid crystal panel comprises the thin film transistor glass substrate, each liquid crystal pixel point is driven by the thin film transistor integrated behind the liquid crystal panel, and the liquid crystal panel needs to be pulled in the film tearing process, when the pulling force is overlarge, the grabbing component 32 and the film clamping component 33 have relatively large pressure to easily damage the thin film transistor inside, so as to avoid damaging the thin film transistor inside; press from both sides membrane subassembly 33 and still include first revolving cylinder 331, and first revolving cylinder 331 orders about second revolving cylinder 332 and rotates for film 83 upset presss from both sides the film 83 turnover angle who gets the part, imitates artifical dyestripping, has reduced and has snatched subassembly 32 and the pulling force between the membrane subassembly 33, makes the dyestripping convenient stability more.

As shown in fig. 4, the grabbing component 32 includes a connecting bracket 321, a vertical driving module 322, and a grabbing unit; the connecting bracket 321 is connected with the linear driver 312, the vertical driving module 322 is installed on the connecting bracket 321, and the vertical driving module 322 drives the grabbing unit to move along the vertical direction; snatch subassembly 32 still includes drive block 323, drive block 323 is installed on the portable end of vertical drive module 322, still install the guide module on linking bridge 321, the guide module is connected with drive block 323, because the liquid crystal display panel that snatchs subassembly 32 is great, in order to improve the stability of snatching the in-process, shared the general gravity of liquid crystal display panel through the guide module, make vertical drive module 322 atress reduce simultaneously, improved vertical drive module 322's life.

Simultaneously in order to reduce and to grab power big to local liquid crystal display panel, and harm liquid crystal display panel, it includes sucking disc, air flue piece 324 to snatch the unit, adsorb on liquid crystal display panel through the sucking disc distribution, it is less to have guaranteed the suction on each sucking disc, has avoided haring liquid crystal display panel, installs air flue piece 324 on the drive block 323, the inside air flue of having seted up of air flue piece 324, the sucking disc is installed on one side that air flue piece 324 is close to liquid crystal display panel, air flue piece 324 is connected with outside negative pressure equipment.

The air flue block 324 is close to one side of the liquid crystal panel and is provided with a sucker fixing plate 325, the sucker fixing plate 325 is provided with a through hole for a sucker to pass through, a load sensor is further arranged between the sucker fixing plate 325 and the air flue block 324 and used for detecting the load force of the sucker fixing plate 325 on the liquid crystal panel through the load sensor, and the grabbing component 32 keeps the pressure of the liquid crystal panel in the bearing range of the liquid crystal panel, so that the liquid crystal panel is protected, and the grabbing component 32 is prevented from crushing a thin film transistor in the liquid crystal panel.

In order to ensure that the subsequent pressing station is smoothly performed, after the grabbing assembly 32 places the liquid crystal panel on the shell of the carrier 73, the pressing mechanism detects the stacking position of the liquid crystal panel and the shell through a visual detector, after the accurate assembling position of the liquid crystal panel and the shell is ensured, the sucker fixing plate 325 pushes and presses the liquid crystal panel under the driving of the vertical driving module 322, the pressure of the sucker fixing plate 325 on the liquid crystal panel is detected through a load sensor, and the pressure is kept at a fixed value, so that the prepressing of the liquid crystal panel and the shell is realized.

The utility model provides a dress mechanism for LCD screen, including portal frame, snatch the subassembly, the transmission line body, through the linear actuator drive on the portal frame snatch the subassembly, move the liquid crystal display panel who picks up to the carrier of the transmission line body on, make the accurate shell on the carrier of putting of liquid crystal display panel, thereby realize automatic dress and close, improve work efficiency; detecting the position of the liquid crystal panel stacked with the shell by a positioning detection device; by arranging the load sensor, the pressure of the grabbing component on the liquid crystal panel is kept within the bearing range of the liquid crystal panel in the process of grabbing the liquid crystal panel, so that the liquid crystal panel is protected, the liquid crystal panel is prevented from being crushed, meanwhile, the vertical driving module drives the sucker fixing plate to push and press the liquid crystal panel, and the liquid crystal panel and the shell are pre-pressed under certain pressure detected by the load sensor; the film is bent and clamped through the meshed tooth-shaped protruding blocks arranged on the first clamping block and the second clamping block, so that the film is firmly fixed; order about the second revolving cylinder through first revolving cylinder and rotate for the film upset imitates artifical dyestripping, makes dyestripping convenient stability more, the utility model discloses convenient to use, simple structure.

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. The utility model provides a dress closes mechanism for LCD screen which characterized in that: comprises a portal frame (31), a grabbing component (32) and a transmission line body (71); wherein,

the gantry (31) comprises a fixed structure for supporting the grabbing component (32) and a linear driver (312), and the linear driver (312) is installed on the fixed structure of the gantry (31);

the grabbing component (32) is used for grabbing the liquid crystal panel, and the grabbing component (32) is installed on the movable end of the linear driver (312);

the transmission line body (71) is used for transmitting a carrier (73), and a shell used for matching with a liquid crystal panel is placed on the carrier (73); the grabbing component (32) is driven by the linear driver (312), so that the grabbing component (32) grabs the liquid crystal panel and then moves close to the carrier (73) on the transmission line body (71), and the liquid crystal panel is placed on the shell on the carrier (73) in a matched mode.

2. A fitting mechanism for a liquid crystal panel according to claim 1, wherein: the gantry (31) further comprises a positioning detection device (313), and the positioning detection device (313) corresponds to the position of the carrier (73) on the transmission line body (71).

3. A fitting mechanism for a liquid crystal panel according to claim 2, wherein: a light source (711) for illumination is installed on one side of the transmission line body (71), and the position of the light source (711) corresponds to the positioning detection device (313).

4. A fitting mechanism for a liquid crystal panel according to claim 3, wherein: the carrying tool (73) is provided with a positioning block (731), the positioning block (731) is arranged on one side far away from the light source (711), and the bearing position of the shell is limited through the positioning block (731).

5. A fitting mechanism for a liquid crystal panel according to claim 1, wherein: the film clamping device is characterized by further comprising a film clamping assembly (33), wherein the film clamping assembly (33) comprises a second rotating cylinder (332), a clamping claw part (333) is arranged on the second rotating cylinder (332), the clamping claw part (333) is driven to close through the second rotating cylinder (332), and a first clamping block (334) and a second clamping block (335) are mounted on the clamping claw part (333);

the linear driver (312) drives the grabbing component (32), the grabbing component (32) grabs the liquid crystal panel and moves to the film clamping component (33), and the film (83) on the liquid crystal panel is clamped through the first clamping block (334) and the second clamping block (335), so that the film (83) is peeled off from the liquid crystal panel.

6. A fitting mechanism for a liquid crystal panel according to claim 5, wherein: the first clamping block (334) and the second clamping block (335) are provided with tooth-shaped convex blocks, so that the convex blocks are engaged when the first clamping block (334) and the second clamping block (335) are folded, and the thin film (83) is bent and clamped.

7. A fitting mechanism for a liquid crystal panel according to claim 6, wherein: the film clamping assembly (33) further comprises a first rotating cylinder (331), and the first rotating cylinder (331) drives the second rotating cylinder (332) to rotate so that the film (83) is turned over.

8. A fitting mechanism for a liquid crystal panel according to claim 1, wherein: the grabbing component (32) comprises a connecting bracket (321), a vertical driving module (322) and a grabbing unit;

the connecting bracket (321) is connected with the linear driver (312), the vertical driving module (322) is installed on the connecting bracket (321), and the vertical driving module (322) drives the grabbing unit to move along the vertical direction.

9. A fitting mechanism for a liquid crystal panel according to claim 8, wherein: the grabbing unit comprises an air channel block (324) and a sucker; an air passage is formed in the air passage block (324), the sucking disc is installed on one side, close to the liquid crystal panel, of the air passage block (324), and the air passage block (324) is connected with external negative pressure equipment.

10. A fitting mechanism for a liquid crystal panel according to claim 9, wherein: a sucker fixing plate (325) is arranged on one side, close to the liquid crystal panel, of the air channel block (324), and a through hole for the sucker to pass through is formed in the sucker fixing plate (325);

a load sensor is arranged between the sucker fixing plate (325) and the air channel block (324); and detecting the load force of the sucker fixing plate (325) on the liquid crystal panel through the load sensor.