CN212989810U

CN212989810U - Assembly line for liquid crystal display

Info

Publication number: CN212989810U
Application number: CN202020344544.0U
Authority: CN
Inventors: 李忠; 肖丹; 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: 2021-04-16
Anticipated expiration: 2030-03-18

Abstract

The utility model provides an assembly line for LCD screen, including cleaning device body, compression fittings, feed mechanism, assembly line mechanism includes a plurality of transmission line bodies, carrier, forms the transmission path of assembly line mechanism through the concatenation of transmission line body for the carrier moves to clean device body, feed mechanism, compression fittings in proper order along the transmission path in the assembly line mechanism; the carrier is fixedly provided with a shell; the cleaning device body comprises a cleaning part, and the surface of the shell is cleaned through the cleaning part; the feeding mechanism is used for conveying the liquid crystal panel and conveying the liquid crystal panel to the carrier, so that the liquid crystal panel is stacked on the shell; the pressing device presses and fixes the stacked shell and the liquid crystal panel in the carrier, so that the shell and the liquid crystal panel are fixedly connected to form an integral liquid crystal screen.

Description

Assembly line for liquid crystal display

Technical Field

The utility model belongs to the automation field, concretely relates to assembly line 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 using pressing equipment, when the shell and the liquid crystal panel are firmly bonded, the shell and the liquid crystal panel are fixedly connected, and in order to ensure the assembling precision of the liquid crystal screen, the required matching of the shell and the liquid crystal panel is kept clean;

at present, cleaning equipment is arranged in front of a pressing station to clean a shell so as to ensure that the assembly surface of the shell has no impurities or a dust-free operation room is arranged so that the surface of the shell has no impurity pollution;

however, the cost for building a dust-free operation room is too high, and the cleaning of the cleaning equipment requires the operation of operators, so that the operators can easily bring impurities in the outside air into the cleaning equipment, and the dust-free treatment for assembling the liquid crystal display screen is difficult to realize due to the limitation of the cost and the operators.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an assembly line for LCD screen.

The utility model provides an assembly line for LCD screen, including cleaning device body, compression fittings, feed mechanism, assembly line mechanism includes a plurality of transmission line bodies, carrier, forms through the concatenation of transmission line body the transmission path of assembly line mechanism makes the carrier move to along the transmission path in the assembly line mechanism in proper order clean device body, feed mechanism, compression fittings;

the carrier is fixedly provided with a shell; the cleaning device body comprises a cleaning part, and the surface of the shell is cleaned through the cleaning part;

the feeding mechanism is used for conveying the liquid crystal panel and conveying the liquid crystal panel to the carrier, so that the liquid crystal panel is stacked on the shell;

the pressing device presses and fixes the stacked shell and the liquid crystal panel in the carrier, so that the shell and the liquid crystal panel are fixedly connected to form an integral liquid crystal screen.

Preferably, the cleaning device further comprises two transfer mechanisms, wherein the transfer mechanisms are arranged on two sides of the cleaning device body and the pressing device;

the transfer mechanism comprises a driver and a transmission assembly, the transmission assembly is used for transmitting the carrier, and the transmission assembly is driven to move between the two assembly line mechanisms through the driving assembly, so that the carrier circulates between the two assembly line mechanisms.

Preferably, the driver comprises a linear motor, and the transmission assembly is driven by the linear motor to move along the vertical direction, so that the two pipeline mechanisms are arranged in parallel along the vertical direction.

Preferably, the cleaning device body comprises a pre-cleaning mechanism and a cleaning mechanism, and the pre-cleaning mechanism and the cleaning mechanism are sequentially arranged along the conveying direction of the assembly line mechanism;

the carrier carrying the workpiece is transmitted to the pre-cleaning mechanism through the transmission line body, the pre-cleaning mechanism pre-cleans the shell, the pre-cleaned shell is transmitted to the cleaning mechanism through the transmission line body, and the cleaning mechanism performs secondary cleaning on the shell.

Preferably, the cleaning device body further comprises a wiping component, the wiping component is installed at a position close to the transmission line body, the wiping component is arranged at a cleaning position corresponding to the pre-cleaning roller and the cleaning component, and the pre-cleaning roller and the cleaning component are moved to the wiping component for self-cleaning after cleaning the shell;

the wiping component comprises a wiping plate and a rotating cylinder, the wiping plate is mounted on the rotating cylinder, and the wiping plate is driven to rotate to the position above the transmission line body through the rotating cylinder.

Preferably, the cleaning device body further comprises a visual detection assembly, the visual detection assembly is arranged at a position close to the cleaning mechanism, and a detection end of the visual detection assembly faces the carrier on the transmission line body.

Preferably, the pressing device comprises a prepressing mechanism body and a pressing mechanism body; the pre-cleaning mechanism and the cleaning mechanism are sequentially arranged along the transmission direction of the assembly line mechanism;

the prepressing mechanism body comprises a grabbing component and a prepressing component, wherein the grabbing component is used for grabbing the liquid crystal panel on the feeding mechanism and stacking the liquid crystal panel on the shell of the carrier; the pre-pressing component is used for pre-pressing the liquid crystal panel and the shell;

the pressing mechanism body comprises a pressing module, and pressure is applied to the liquid crystal panel and the shell through the pressing module, so that the liquid crystal panel and the shell are pressed and fixed.

Preferably, the grabbing component comprises a connecting bracket, a vertical driving module and a grabbing unit; the grabbing unit comprises an air passage block and a sucker; the air channel block is internally provided with an air channel, the sucker is arranged on one side of the air channel block close to the liquid crystal panel, and the air channel block is connected with external negative pressure equipment;

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; the vertical driving module drives the sucker fixing plate to apply pressure to the liquid crystal panel, so that the grabbing assembly simultaneously realizes the pre-pressing station of the pre-pressing assembly on the liquid crystal panel and the shell.

Preferably, the pre-pressing mechanism body further comprises a film clamping assembly, the film clamping assembly comprises a first rotary cylinder and a second rotary cylinder, and the second rotary cylinder is mounted on the rotating end of the first rotary cylinder;

a clamping jaw part is arranged on the second rotary cylinder, the clamping jaw part is driven to fold 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 to move to the film clamping assembly, the film on the liquid crystal panel is clamped tightly through the first clamping block and the second clamping block, the second rotary cylinder rotates under the drive of the first rotary cylinder, so that the film clamped by the first clamping block and the second clamping block is turned over, the linear driver drives the grabbing assembly to continue to move, and the film is stripped from the liquid crystal panel.

Preferably, the pressing mechanism body comprises a connecting module and a pressure assembly; a pressure sensor is arranged on one side, close to the pressing module, of the connecting module; the pressure assembly drives the connecting module, and the pressure sensor is in contact with the pressing module, so that the pressure assembly applies pressure for pressing to the pressing module;

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

the nut seat is in threaded connection with the screw rod; the screw rod is connected with the driven wheel, the driving motor is connected with the driving wheel, and the driving wheel drives the driven wheel so that the driving plate moves.

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

the utility model provides a pair of an assembly line for LCD screen transmits the carrier to cleaning device body, feed mechanism, compression fittings position department in proper order through assembly line mechanism to realized the cleanness to the shell, LCD panel's material loading and the pressfitting of LCD panel and shell have realized the automation of height, thereby conveniently carry out dustless processing to the part, have reduced the cost, improve the assembly precision, 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 of a transfer mechanism according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a transmission assembly according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a cleaning device body according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of the pre-cleaning mechanism according to an embodiment of the present invention;

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

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

FIG. 8 is a schematic perspective view of a wiping component in an embodiment of the present invention;

fig. 9 is a schematic perspective view of a prepressing mechanism body according to an embodiment of the present invention;

FIG. 10 is an enlarged partial schematic view of FIG. 9;

fig. 11 is a schematic perspective view of a grasping assembly according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a film clamping assembly according to an embodiment of the present invention;

fig. 13 is a schematic perspective view of a feeding mechanism according to an embodiment of the present invention;

fig. 14 is a schematic perspective view of the pressing mechanism body according to an embodiment of the present invention;

fig. 15 is a right side view of the pressing mechanism body according to an embodiment of the present invention;

FIG. 16 is an enlarged partial schematic view of FIG. 15;

fig. 17 is a bottom view of the pressing module according to an embodiment of the present invention;

fig. 18 is a schematic perspective view of a pipeline mechanism according to an embodiment of the present invention;

fig. 19 is a right side view of the pipelining mechanism of one embodiment of the present invention;

fig. 20 is a schematic perspective view illustrating a jacking assembly and a carrier according to an embodiment of the present invention.

Shown in the figure:

1. a transfer mechanism; 111. a linear motor; 112. a driving frame; 1121. a baffle plate; 2. a cleaning device body; 21. a pre-cleaning mechanism; 211. a vertical driver; 212. a first linear driver; 213. a second linear actuator; 214. pre-cleaning the roller; 22. a cleaning mechanism; 221. a mechanical arm; 222. a cleaning assembly; 2221. a pressure sensor; 2222. a clamping jaw; 2223. a jog drive; 2224. cleaning the column; 2225. a cleaning roller; 2226. fixing the module; 23. a visual inspection assembly; 24. a wiping component; 241. cushion blocks; 242. rotating the cylinder; 243. a rotating plate; 244. wiping cloth; 3. a prepressing mechanism body; 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; 4. a feeding mechanism; 41. a drive assembly; 411. a transmission module; 412. A motor; 42. a first feeding unit; 43. a second feeding unit; 5. a pressing mechanism body; 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 column; 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; 55. A driving module; 551. a drive motor; 552. a driving wheel; 7. a pipelining mechanism; 71. a transmission line body; 711. combining magnetic wheels; 712. installing a shaft; 713. a bearing seat; 714. a power wheel; 72. a jacking assembly; 721. a top plate; 722. a positioning column; 723. a suction nozzle; 724. a jacking driver; 73. a carrier; 731. positioning blocks; 81. a housing; 82. a liquid crystal panel; 83. a film.

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, an assembly line for a liquid crystal display includes a cleaning device body 2, a pressing device, a feeding mechanism 4, and a line mechanism 7; wherein,

as shown in fig. 4-8, the cleaning device includes a pre-cleaning mechanism 21, a cleaning mechanism 22, and a pre-cleaning step is performed on the housing 81 on the assembly line mechanism 7 by the pre-cleaning mechanism 21, after the housing 81 is cleaned for the first time by the pre-cleaning mechanism 21, the housing 81 is transported and moved to the cleaning mechanism 22 by the assembly line mechanism 7, the cleaning mechanism 22 performs a second cleaning on the housing 81, the housing 81 is cleaned completely, and the cleaning for two times ensures the cleanness of the surface of the housing 81; wherein,

the pre-cleaning mechanism 21 comprises a driving module and a pre-cleaning roller 214, wherein the driving module drives the pre-cleaning roller 214; the driving module comprises a vertical driver 211, a first linear driver 212 and a second linear driver 213, wherein the pre-cleaning roller 214 is arranged on the movable end of the vertical driver 211, and the vertical driver 211 drives the pre-cleaning roller 214 to move along the vertical direction, so that the pre-cleaning roller 214 is close to the shell 81; the vertical driver 211 is installed on the movable end of the first linear driver 212, the first linear driver 212 is installed on the movable end of the second linear driver 213 on one side, the second linear driver 213 is fixed on the base, the vertical driver 211 is moved in the horizontal plane by the first linear driver 212 and the second linear driver 213, and the pre-cleaning roller 214 is driven to move in the vertical direction by the vertical driver 211.

The pre-cleaning mechanism 21 further includes a guiding module 215, the other side of the first linear actuator 212 is mounted on the guiding module 215, and the guiding module 215 guides the first linear actuator 212 to move along the driving direction of the second linear actuator 213, so that the guiding module 215 shares the weight of the first linear actuator 212, the vertical actuator 211 and the pre-cleaning roller 214, and the driving of the second linear actuator 213 is more stable.

The cleaning mechanism 22 comprises a cleaning assembly 222, a robot arm 221, the cleaning assembly 222 is mounted on the movable end of the robot arm 221, and the cleaning assembly 222 is driven by the robot arm 221, so that the cleaning assembly 222 can clean the housing 81 on the carrier 73 in a reciprocating manner;

the cleaning assembly 222 includes a cleaning post 2224, a cleaning roller 2225; the cleaning post 2224 is used to clean a small area of the cleaning area on the housing 81; the cleaning roller 2225 is used for rolling and rubbing a large cleaning area on the housing 81, and the surface of the cleaning end of the cleaning roller 2225, which is in contact with the housing 81, is a cleaning end surface; the cleaning post 2224 and the cleaning roller 2225 are respectively responsible for different areas, so that the cleaning assembly 222 can conveniently clean the whole area of the shell 81, thereby ensuring the surface of the whole shell 81 to be clean and avoiding dead cleaning angles.

In a preferred embodiment, the cleaning assembly 222 further includes a jog drive 2223, a cleaning post 2224 mounted at a movable end of the jog drive 2223; the jog driver 2223 drives the cleaning post 2224 to move toward the housing 81, so that the cleaning post 2224 reciprocates up and down with respect to the cleaning end surface to clean a region with a small range by means of the jog movement.

Further, the cleaning assembly 222 further includes a pressure sensor 2221, the cleaning roller 2225 and the jog driver 2223 are mounted on the same detection end of the pressure sensor 2221, and the pressure sensor 2221 detects the pressure of the cleaning post 2224 and the cleaning roller 2225 on the housing 81 when the cleaning post 2224 and the cleaning roller 2225 are in contact with the housing 81, so that during the cleaning process, the impurities attached to a part of the housing 81 need to be cleaned by applying a certain pressure on the housing 81 by the cleaning post 2224 and the cleaning roller 2225, and the housing 81 is damaged when the pressure of the cleaning post 2224 and the cleaning roller 2225 is too high, so that the pressure on the housing 81 needs to be detected by the pressure sensor 2221, so that the impurities can be cleaned by ensuring the pressure on the housing 81, and the housing 81 is not damaged.

Further, the cleaning assembly 222 further includes a clamping jaw 2222 and a fixing module 2226; the cleaning post 2224 is gripped by the gripping portion of the jaw 2222, the fixed end of the jaw 2222 being mounted on the jog driver 2223; the fixing module 2226 fixes the fixed end of the cleaning roller 2225, and fixes the cleaning post 2224 and the cleaning roller 2225.

In a preferred embodiment, the cleaning surface of the cleaning post 2224 is higher than the cleaning end surface, so that the cleaning roller 2225 contacts the housing 81 first relative to the cleaning post 2224, and when the cleaning post 2224 is pushed by the jog driver 2223, the cleaning post 2224 contacts the housing 81 first, by this arrangement, so that the two cleaning modes do not interfere, when a flat large area needs to be cleaned, the jog driver 2223 is suspended, so that the cleaning roller 2225 contacts the housing 81, and is driven by the mechanical arm 221, so that the cleaning roller 2225 rolls on the surface of the housing 81, and the large area is cleaned quickly; when the narrow area needs to be cleaned, the jog driver 2223 drives the cleaning column 2224 so that the cleaning column 2224 makes a jog contact with the housing 81, and the narrow area is jog cleaned under the driving of the robot arm 221.

The pre-cleaning roller 214 and the cleaning assembly 222 are driven by the driving module and the mechanical arm 221 to move to the carrier 73, the pre-cleaning roller 214 and the cleaning assembly 222 clean the housing 81 on the carrier 73, and the pre-cleaning roller 214 and the cleaning assembly 222 roll back and forth on the surface of the housing 81, so that sundries on the surface of the housing 81 are adhered to the pre-cleaning roller 214 and the cleaning assembly 222, and the surface of the housing 81 is kept clean.

In a preferred embodiment, the conveying apparatus includes a visual detection assembly 23, the visual detection assembly 23 is disposed at a position close to the cleaning mechanism 22, the visual detection assembly 23 includes a camera and a light source, the camera of the visual detection assembly 23 faces the carrier 73 on the transmission line body 71, the light source irradiates the outer shell 81 on the carrier 73, the outer shell 81 transmitted from the pre-cleaning mechanism 21 is detected through the visual detection assembly 23, the surface of the outer shell 81 is photographed by the camera of the visual detection assembly 23, the position of the sundries on the surface of the outer shell 81 is detected, and the cleaning mechanism 22 is controlled to clean the position of the sundries on the outer shell 81, so that secondary cleaning is realized.

In a preferred embodiment, the transporting device further comprises a wiping assembly 24, the wiping assembly 24 is disposed at a position corresponding to the pre-cleaning roller 214 and the cleaning assembly 222, the wiping assembly 24 comprises a wiping cloth 244, the wiping cloth 244 is made of an adhesive material, after the pre-cleaning roller 214 and the cleaning assembly 222 clean the housing 81, the pre-cleaning roller 214 and the cleaning assembly 222 are moved to the wiping cloth 244, and the pre-cleaning roller 214 and the cleaning assembly 222 roll back and forth on the wiping cloth 244, so that the adhered impurities of the pre-cleaning roller 214 and the cleaning assembly 222 are adhered to the adhesive wiping cloth 244, thereby ensuring cleanness of the pre-cleaning roller 214 and the cleaning assembly 222, and facilitating the overall cleaning of the housing 81 when the pre-cleaning roller 214 and the cleaning assembly 222 clean the next housing 81, so that the wiping cloth 244 realizes the self-cleaning of the pre-cleaning roller 214.

The wiping component 24 comprises a rotating cylinder 242 and a rotating plate 243, wherein the rotating cylinder 242 drives the rotating plate 243 to rotate, and the wiping cloth 244 is arranged on the rotating plate 243; the rotating plate 243 is driven by the rotating cylinder 242, so that the wiping cloth 244 is close to the pre-cleaning roller 214 and the cleaning assembly 222, and the moving distance of the pre-cleaning roller 214 and the cleaning assembly 222 is reduced.

In a preferred embodiment, the wiping assembly 24 further includes a pad 241, the wiping assembly 24 is disposed near one side of the conveyor line 71, the position of the wiping cloth 244 is higher than the position of the assembly line mechanism 7 through the pad 241, the rotating plate 243 is driven by the rotating cylinder 242, so that the rotating plate 243 rotates to a position right above the conveyor line 71, after the housing 81 is cleaned by the pre-cleaning roller 214 and the cleaning assembly 222, self-cleaning is rapidly achieved, meanwhile, the pre-cleaning roller 214 and the cleaning assembly 222 are shielded by the rotating plate 243, so that the impurities on the pre-cleaning roller 214 and the cleaning assembly 222 cannot float down onto the conveyor line 71, the rotating plate 243 is used as a holding device for the pre-cleaning roller 214, and when the housing 81 is cleaned by the pre-cleaning roller 214 and the cleaning assembly 222, the rotating plate 243 moves away from the conveyor line 71, so that the rotating plate 243 is at a position convenient for an operator to replace the wiping cloth, the operator does not need to approach the cleaning position of the transmission line body 71, and the probability that the operator brings sundries into the transmission line body 71 to pollute the surface of the shell 81 is avoided.

As shown in fig. 9-17, the pressing device includes a pressing mechanism body 3 and a pressing mechanism body 5; the housing 81 and the liquid crystal panel 82 are pre-pressed through the pre-pressing mechanism body 3, the housing 81 and the liquid crystal panel 82 are positioned, and the pressing mechanism body 5 performs secondary pressing on the housing 81 and the liquid crystal panel 82 for a long time, so that the pressure maintaining effect is similar.

The assembly line mechanism 7 comprises a transmission line body 71 and a jacking assembly 72, and the assembly line mechanism 7 is formed by connecting a plurality of transmission line bodies 71; the transmission line body 71 is used for transmitting the liquid crystal screen, the jacking assembly 72 is respectively arranged at the cleaning position corresponding to the cleaning device body 2 and the pressing position corresponding to the pressing device, the assembly line mechanism 7 further comprises a carrier 73, the carrier 73 is used for bearing the outer shell 81, and the carrier 73 moves along with the transmission line body 71.

The prepressing mechanism body 3 comprises a prepressing assembly, a portal frame and a grabbing assembly 32, wherein the portal frame comprises a fixing structure for supporting the prepressing assembly and the grabbing assembly 32 and a linear driver 312, and the linear driver 312 is arranged on the fixing structure of the portal frame; 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 grabbing component 32 is used for grabbing the liquid crystal panel 82 and stacking the liquid crystal panel 82 on the carrier 73, and the prepressing component is used for prepressing the shell 81 and the liquid crystal panel 82 on the carrier 73; the grasping assembly 32 is mounted on the movable end of the linear actuator 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 unit 32 needs to grasp the liquid crystal panel 82, the grasping unit 32 has a large weight, and the grasping unit 32 is easily deviated by being driven by a linear driver 312, and in order to stabilize the movement of the grasping unit 32, the linear drivers 312 are respectively disposed at both sides of the grasping unit 32, and the grasping unit 32 is driven at the same time.

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; the grabbing component 32 further comprises a driving block 323, the driving block 323 is installed on the movable end of the vertical driving module 322, a guide module is further installed on the connecting support 321 and connected with the driving block 323, the liquid crystal panel 82 grabbed by the grabbing component 32 is large, in order to improve stability in the grabbing process, the general gravity of the liquid crystal panel 82 is shared through the guide module, meanwhile, the stress of the vertical driving module 322 is reduced, and the service life of the vertical driving module 322 is prolonged.

Simultaneously in order to reduce and to grab power big to local liquid crystal display panel 82, and harm liquid crystal display panel 82, it includes the sucking disc to grab the unit, air flue piece 324, distribute through the sucking disc and adsorb on liquid crystal display panel 82, it is less to have guaranteed the suction on each sucking disc, harm liquid crystal display panel 82 has been avoided, install 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 82, air flue piece 324 is connected with outside negative pressure equipment.

The air channel block 324 is provided with a sucker fixing plate 325 close to one side of the liquid crystal panel 82, 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 channel block 324 to detect the load force of the sucker fixing plate 325 on the liquid crystal panel 82 through the load sensor, and the pressure of the grabbing component 32 on the liquid crystal panel 82 is kept in the bearing range of the liquid crystal panel 82, so that the liquid crystal panel 82 is protected, and the grabbing component 32 is prevented from crushing a thin film transistor in the liquid crystal panel 82.

The gantry 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; the positioning detection device 313 comprises a visual detector which comprises a camera, and the camera shoots the stacking relation between the shell 81 and the liquid crystal panel 82 on the carrier 73, so that whether the shell 81 and the liquid crystal panel 82 are accurately assembled or not is detected, and the assembling precision is ensured.

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.

In order to ensure that the subsequent pressing mechanism body 5 is smoothly performed, after the liquid crystal panel 82 is placed on the shell 81 of the carrier 73 by the grabbing component 32, the stacking position of the liquid crystal panel 82 and the shell 81 is detected by a visual detector, after the accurate assembling position of the liquid crystal panel 82 and the shell 81 is ensured, the sucker fixing plate 325 pushes and presses the liquid crystal panel 82 under the driving of the vertical driving module 322, the pressure of the sucker fixing plate 325 on the liquid crystal panel 82 is detected by a load sensor, the pressure is kept at a fixed value, the sucker fixing plate 325 is driven by the vertical driving module 322 to apply pressure on the liquid crystal panel 82, so that the grabbing component 32 simultaneously realizes the prepressing on the liquid crystal panel 82 and the shell 81, and the grabbing component 32 is used as a prepressing component, thereby omitting the prepressing component.

The feeding mechanism 4 is used for conveying a liquid crystal panel 82 of the liquid crystal screen; the feeding mechanism 4 comprises a first feeding unit 42 and a second feeding unit 43 for placing the liquid crystal panel 82, and the first feeding unit 42 and the second feeding unit 43 move in a staggered manner;

in a preferred embodiment, the feeding mechanism 4 comprises a driving assembly 41, the driving assembly 41 comprises a transmission module 411 and a motor 412; the motor 412 drives the transmission module 411, so that the transmission module 411 drives the first feeding unit 42 and the second feeding unit 43 to move; the first feeding unit 42 is arranged above the second feeding unit 43, and the first feeding unit 42 and the second feeding unit 43 move in opposite directions; make first material loading unit 42 and second material loading unit 43 dislocation to snatching the subassembly 32 feed, improved material loading efficiency, and then make this pre-compaction equipment improve work efficiency.

The pressing mechanism body 5 comprises a connecting module 53 and a pressing module 54, wherein the pressing module 54 is connected with the connecting module 53 in a sliding manner; a pressure sensor 535 is arranged on one side of the connecting module 53 close to the pressing module 54; the assembly line mechanism 7 comprises a transmission line body 71 and a jacking assembly 72, and the assembly line mechanism 7 is formed by connecting a plurality of transmission line bodies 71; the transmission line body 71 is used for transmitting the liquid crystal screen, and the jacking assembly 72 is arranged at the position corresponding to the pressing module 54; in order to ensure that the shell 81 is fixedly connected with the liquid crystal panel 82, the contact surface of the liquid crystal panel 82 and the shell 81 is sprayed with industrial glue, so that the shell 81 and the liquid crystal panel 82 are firmly bonded, the glue sprayed on the liquid crystal panel 82 is prevented from contacting with external impurities in the transmission process, one surface of the liquid crystal panel 82 sprayed with the glue is covered with a film, the other surface of the liquid crystal panel 82 sprayed with the glue is isolated from the external air, the assembling mechanism further comprises a film clamping component 33, and the film covered on the liquid crystal panel 82 is torn off through the film clamping component 33 before the shell 81 and the liquid crystal panel 82 are assembled; 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;

after the driving device drives the grabbing component 32 to grab the liquid crystal panel 82, the driving device drives the grabbing component 32 to move to the film clamping component 33, the second rotating cylinder 332 drives the clamping claw portions 333 at the two sides to close, so that the first clamping block 334 and the second clamping block 335 are close to each other, the film 83 on the liquid crystal panel 82 is clamped tightly, the liquid crystal panel 82 is grabbed and fixed through the grabbing component 32, the film clamping component 33 clamps the film 83, the grabbing component 32 drives the liquid crystal panel 82 under the driving device, the film clamping component 33 clamps the film 83 tightly, the film 83 is peeled off from the liquid crystal panel 82, film tearing is automatically achieved, labor cost is saved, production efficiency is improved, automatic operation is facilitated in a closed environment, the film tearing mechanism is placed in an isolated environment to work, and sealing operation is facilitated.

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 convex blocks on the first clamping block 334 and the second clamping block 335 bend and clamp the film 83, so that the film 83 is fixed, and the film 83 is prevented from moving along with the liquid crystal panel 82 when the driving device drives the grabbing component 32, so that the film 83 is not peeled off from the liquid crystal panel 82.

Further, the film clamping assemblies 33 are arranged on two sides of the grabbing assembly 32, protrusions facilitating the clamping of the film clamping assemblies 33 are arranged on two corresponding sides of the film 83 on the liquid crystal panel 82, and the film 83 protrudes out of the liquid crystal panel 82, so that the film clamping assemblies 33 are convenient to grab.

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 liquid crystal panel 82 can be torn off conveniently.

Because the liquid crystal panel 82 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 in the film tearing process, the liquid crystal panel 82 needs to be pulled, when the pulling force is overlarge, the grabbing component 32 and the film clamping component 33 are easy to damage the thin film transistor inside under relatively large pressure, 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.

The jacking assembly 72 comprises a top plate 721 and a jacking driver 724; the jacking driver 724 drives the top plate 721 to lift, so that the top plate 721 is in contact with the carrier 73, and the carrier 73 is lifted and separated from the transmission line body 71, so that the carrier 73 is close to the pressing module 54;

the moving carrier 73 on the transmission line body 71 is jacked up by the jacking assembly 72, so that the shell 81 on the jacking assembly 72 is in contact with the pressing module 54 and pushes the pressing module 54 to move towards the connecting module 53; when a force is applied to the connection module 53, the transmission line 71 moves toward the pressing module 54, and the pressure sensor 535 contacts with the pressing module 54.

In a preferred embodiment, the pressing mechanism body 5 further includes a fixing 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 fixing 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 liquid crystal panel 82.

The top plate 721 is provided with positioning columns 722, and the positioning columns 722 are arranged on two opposite corners corresponding to the top plate 721; the carrier 73 is provided with a positioning hole matched with the positioning column 722, the positioning column 722 extends into the positioning hole to position the carrier 73 by lifting the top plate 721, so that the pressing module 54 is accurately contacted with the liquid crystal panel 82; the top plate 721 is provided with a plurality of suction nozzles 723, the suction nozzles 723 are arranged on the same surface of the positioning column 722, when the top plate 721 is lifted, the suction nozzles 723 penetrate through the carrier 73, so that the suction nozzles 723 are in contact with the housing 81 of the carrier 73, the housing 81 is adsorbed by the suction nozzles 723, the carrier 73 and the jacking assembly 7272 are fixed, and the liquid crystal panel 82 and the housing 81 are prevented from deviating in the pressing process.

In a preferred embodiment, the pressing module 54 includes a pressing plate 541, the pressing plate 541 is used for pressing the liquid crystal panel 82 and the housing 81, and the pressing plate 541 is slidably connected to the connecting 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 liquid crystal panel 82 and the housing 81 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 pressing plate 541 by 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, and the pressing module 54 presses the liquid crystal panel 82 and the housing 81 for the second time, so that the pressing assembly of the liquid crystal panel 82 and the housing 81 in the liquid crystal screen is realized; because uncertainty exists in the stacking process of the liquid crystal panel 82 and the shell 81, the stacking height of the liquid crystal panel 82 and the shell 81 has errors, the common pressing equipment is used for pressing, the pressing force applied to the liquid crystal panel 82 is different and the pressing precision is influenced because a detector in the pressing equipment makes a misjudgment easily, the liquid crystal panel 82 and the shell 81 are pre-pressed by the dead weight of the pressing module 54 in the pressing mechanism, the liquid crystal panel 82 and the shell 81 with different stacking heights are adjusted to play a role of positioning, the liquid crystal panel 82 and the shell 81 are tightly pressed by the pressing module 54 to press the liquid crystal panel 82 and the shell 81, the liquid crystal panel 82 and the shell 81 are firmly connected after pre-pressing adjustment is carried out on the liquid crystal panel 82 and the shell 81, and then the assembly is completed, so that the pressing mechanism is suitable for stacking the liquid crystal panels 82 and the shells 81 with different heights, the pressing precision is ensured.

Because the liquid crystal panel 82 includes the tft glass substrate, each liquid crystal pixel is driven by a tft integrated behind it, and in the pressing process, the pressing module 54 needs to contact with the surface of the liquid crystal panel 82, the pressing module 54 needs to apply pressure to the surface of the liquid crystal panel 82 to fix the liquid crystal panel 82 and the housing 81, the pressing surface of a common pressing device contacts with the surface of the liquid crystal panel 82, the pressing device easily damages the internal tft, in order to avoid the pressing module 54 damaging the internal tft, a pad is installed on one side of the pressing plate 541 of the pressing mechanism close to the liquid crystal panel 82, the pad is installed at a position corresponding to the outer edge of the liquid crystal panel 82, so that the pressing module 54 applies force at the edge of the liquid crystal panel 82, avoiding the display position in the middle of the liquid crystal panel 82, and at the same time, to ensure the liquid crystal panel 82 and the housing 81 to be fixed, gluing and fixing are needed, and the edge position of the liquid crystal panel 82 is glued, so that the cushion block is pressed at the gluing position of the liquid crystal panel 82, the liquid crystal panel 82 is conveniently fixed with the shell 81, and the liquid crystal panel 82 and the shell 81 are prevented from degumming;

the pressing head 543 is mounted on the pad, when the pressing module 54 presses the liquid crystal panel 82, the pressing head 543 contacts with the outer edge of the liquid crystal panel 82, the pressing head 543 is made of common elastic polymer material, including the pressing head 543 made of silica gel material, which reduces the damage of the pressing module 54 to the liquid crystal panel 82.

Make the pressure head 543 keep away from clamp plate 541 through setting up the cushion, increased the distance between clamp plate 541 and liquid crystal display panel 82, avoided because of pushing down and the elastic deformation of pressure head 543 for clamp plate 541 contacts with liquid crystal display panel 82, reduced the pressure head 543 use amount that the 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 is mounted on the pressing plate 541, and a sleeve is embedded on the base plate; the sleeve is fixed in a limiting mode through the pressing plate 541 and the base plate, the sliding column 542 slides in the sleeve, a gap exists between the pressing plate 541 and the pressure sensor 535, and the pressing module 54 can slide in a certain distance conveniently, wherein one end of the sliding column 542 is fixedly installed on the connecting module 53.

Install the buffer block on the backing plate, the buffer block is used for contacting with lamination equipment, and the buffer block contacts with pressure sensor 535, has avoided pressure sensor 535 and pressfitting module 54 collision through the buffer block, protection pressure sensor 535.

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 further 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 panel 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 driving motor 551 and a driving wheel 552, the driving wheel 552 is connected with a driving part of the driving 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 driving 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 driving motor 551 rotates and sequentially transmits 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 press.

The driving 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 driving motor 551 is arranged between the upper cover plate 511 and the lower base plate 514, the height of the machine frame is reduced, the height of the 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 in 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 driving 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.

In a preferred embodiment, the fixing bracket 51 further includes a vertical post 515, the vertical post 515 is mounted on the lower plate 514, and the pressing mechanism body 5 is fixed on the substrate by the vertical post 515, so that the assembly line mechanism 7 passes through the lower part of the lower plate 514, which facilitates the lifting assembly 7272 to lift the carrier 73 and then quickly contact the pressing module 54.

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 drive pressfitting module 54 and remove, adjusts the position of pressfitting module 54 in order to adapt to pressfitting liquid crystal panel 82, the position of shell 81.

Still install position sensor on the fixed bolster 51, position sensor 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 control drive plate 512, avoids drive plate 512 to push down the too dark liquid crystal display panel 82 that damages in position.

As shown in fig. 2 and 3, in a preferred embodiment, the transmission line body 71 includes an induction motor, a magnetic force wheel assembly 711, and a power wheel 714; the induction motor drives the magnetic wheel assembly 711, and the power wheel 714 rotates through transmission of the magnetic wheel assembly 711, so as to drive the carrier 73 on the power wheel 714, and thus, the movement of the carrier 73 is realized. The transmission line body 71 further comprises a fixing frame and a driven shaft 715, the transmission line body 71 is connected into a whole through the fixing frame, and the driven shaft 715 is connected with the magnetic wheel assembly 711; at least two power wheels 714 are mounted on the driven shaft 715, the power wheels 714 on the driven shaft 715 are driven to rotate through the magnetic wheel assembly 711, and the carrier 73 is supported through the at least two power wheels 714, so that the carrier 73 is more stable.

As shown in fig. 18 to 20, the positioning posts 722 are mounted on the top plate 721, the positioning posts 722 are mounted on two opposite corners of the top plate 721, positioning holes adapted to the positioning posts 722 are formed in the carrier 73, and the carrier 73 is lifted up by the top plate 721 and the positioning posts 722 extend into the positioning holes to position the carrier 73, so that the carrier 73 is separated from the transmission line body 71.

The top plate 721 is provided with a plurality of suction nozzles 723, the suction nozzles 723 are arranged on the same surface of the positioning column 722, and the carrier 73 is provided with a through hole; when the top plate 721 is lifted, the positioning post 722 extends into the positioning hole of the carrier 73, the suction nozzle passes through the through hole on the carrier 73 to contact with the housing 81, the suction nozzle 723 sucks the housing 81, since the housing 81 is sucked by the suction block 732, the housing 81 is fixed on the carrier 73, and the suction nozzle 723 sucks the housing 81, so that the jacking assembly 72 is fixed with the carrier 73.

The assembly line mechanism 7 further comprises a blocking assembly, the blocking assembly is arranged at a position close to the jacking assembly 72 and comprises a stop block and an air cylinder, the stop block is pushed by the air cylinder, the stop block limits the carrier 73 to move along with the transmission line body 71, and after the blocking assembly limits the carrier 73 to move, the jacking driver 724 drives the top plate 721 to ascend to jack the carrier 73, so that the top plate 721 is accurately connected with the carrier 73.

The induction motor is connected with at least two magnetic wheel combinations 711 through a mounting shaft 712, the multiple magnetic wheel combinations 711 are driven through the mounting shaft 712, so that the same induction motor simultaneously drives multiple groups of power wheels 714 to rotate, a bearing seat 713 is arranged on the fixed frame, and the mounting shaft 712 is mounted on the bearing seat 713, so that the mounting shaft 712 is arranged at a fixed position.

The carrier 73 is provided with a positioning block 731 for limiting the position of the housing 81, and the housing 81 is limited at a fixed position of the carrier 73 through the positioning block 731, so that the surface of the housing 81 can be cleaned accurately by the pre-cleaning roller 214.

The carrier 73 is also provided with an adsorption block, the outer shell 81 is adsorbed on the carrier 73 through the adsorption block, so that the outer shell 81 is fixed on the carrier 73, and the problem that when the pre-cleaning roller 214 rolls on the surface of the outer shell 81, the outer shell 81 moves along with the pre-cleaning roller 214 to influence the cleaning quality of the pre-cleaning roller 214 is avoided; the carrier 73 is provided with a negative pressure generator, negative pressure is provided for the adsorption block through the negative pressure generator, and because the carrier 73 moves along with the transmission line body 71, if an external negative pressure device is connected, a negative pressure air pipe is easy to wind.

In a preferred embodiment, the conveying device further comprises a transfer mechanism 1, wherein the transfer mechanism 1 is respectively arranged at two sides of the pre-cleaning mechanism 21 and the pressing mechanism body 5; transfer mechanism 1 and include the driver, a transmission assembly for transmitting carrier 73, transmission assembly installs and holds at the portable of driver, drive transmission assembly through the driver and remove between two assembly line mechanisms 7, make carrier 73 circulate between two assembly line mechanisms 7, conveniently realize the automation, owing to through automated control, avoided using the manpower, save the cost, conveniently carry out dustless processing to the part simultaneously, guarantee shell 81, liquid crystal display panel 82 before the assembly pressfitting, the dustless is ensured to the contact surface.

Further, the driver comprises a linear motor 111, the linear motor 111 drives the transmission assembly to move along the vertical direction, so that the two assembly line mechanisms 7 are arranged in parallel along the vertical direction, the cleaning device body 2, the pressing device and the feeding mechanism 4 are arranged on the assembly line mechanism 7 above, and the pre-cleaning mechanism 21, the cleaning mechanism 22, the pre-pressing mechanism body 3 and the pressing mechanism body 5 are sequentially arranged along the transmission direction of the assembly line mechanism 7; the assembly line mechanism 7 below is used for conveying the carriers, and the vertical parallel arrangement reduces the floor area of the equipment and saves space.

The transmission assembly comprises a transmission line body 71 and a driving frame 112, the driving frame 112 is installed on the driver, the transmission line body 71 is fixed on the driving frame 112, and the transmission assembly is consistent with the transmission line body 71 in the assembly line mechanism 7 in structure and convenient to replace.

The driving rack 112 includes a baffle 1121, the baffle 1121 is disposed at a side away from the pipeline mechanism 7, the position of the carrier 73 is limited by the baffle 1121, after the pressing mechanism body 5 finishes pressing the liquid crystal screen on the carrier 73, the carrier 73 is transmitted to the transmission component near a side of the pressing mechanism body 5 by the pipeline mechanism 7 above, the carrier 73 is limited by the baffle 1121, the carrier 73 stays on the transmission component, after the liquid crystal screen is taken out, the transmission component is driven by the linear motor 111 to descend into the well along the vertical direction, so that the transmission component corresponds to the pipeline mechanism 7 below, the transmission component works to send the empty carrier 73 to the pipeline mechanism 7 below for transmission, the empty carrier 73 is transmitted to the transmission component near the pre-cleaning mechanism 21 by the pipeline mechanism 7 below, the carrier 73 is limited by the baffle 1121, so that the carrier 73 stays on the transmission component, the linear motor 111 drives the conveying assembly to be lifted in the vertical direction, the conveying assembly corresponds to the assembly line mechanism 7 above and places the shell 81 in the idle tool 73, the conveying assembly works to send the carrier 73 with the shell 81 to the assembly line mechanism 7 above, and the assembly line mechanism 7 above transmits the carrier 73 to the pre-cleaning mechanism 21, so that circulation is achieved.

In a preferred embodiment, the method for processing the surface of the shell 81 of the assembly line equipment without dust is utilized, and the assembly surface of the liquid crystal panel 82 is wrapped by the film 83, so that the assembly surface of the liquid crystal panel 82 is ensured to be clean, the transfer mechanism 1, the cleaning device, the pressing device, the feeding mechanism and the assembly line mechanism 7 are arranged in the closed rack, only the rack corresponding to the positions of the transfer mechanism 11 and the feeding mechanism is provided with a feeding port for feeding, the shell 81 and the liquid crystal panel 82 are fed from the feeding port, so that the shell 81 and the liquid crystal panel 82 enter the carrier 73 of the transfer mechanism 11 from the feeding port, and since the feeding port is exposed to the external environment, external impurities are easy to enter the rack from the feeding port, so that the shell 81 in the rack is polluted;

in order to solve the problems, the rack comprises a fan, air filtered from the outside is sucked into the rack through the fan, the feeding port is enabled to form outward discharged airflow, external impurities are limited to enter the rack through the feeding port, outward air waves are formed at the feeding port, impurities in the external environment are prevented from entering the rack, meanwhile, only the feeding port is used as an outlet in the rack, the gas in the rack needs to be discharged through the feeding port, the impurities in the rack are discharged from the feeding port along with the airflow, the rack is enabled to be in a dust-free environment, the surface of a workpiece is cleaned in the dust-free environment in the rack through a cleaning device, the surface of the shell 81 is guaranteed to be dust-free, and no impurities fall on the surface of the shell 81.

The utility model provides an assembly line for LCD screen, through assembly line mechanism with carrier transmission to cleaning device body, feed mechanism, compression fittings position department in proper order to realized the cleanness to the shell, the material loading of liquid crystal display panel and the pressfitting of liquid crystal display panel and shell, realized high automation, thereby conveniently to the part dustless processing, reduced the cost, improved the assembly precision; the two pipeline mechanisms are vertically and parallelly arranged, so that the occupied area of the whole equipment is reduced, the space is saved, and the equipment is convenient to place; cleaning the surface of the shell by using a pre-cleaning roller, cleaning a small-area complex area and a large-area flat area by using a cleaning column and a cleaning roller respectively, and ensuring the cleanness of the surface of the shell by cleaning twice; sundries on the pre-cleaning roller and the cleaning assembly are cleaned through the wiping cloth, so that the pre-cleaning roller and the cleaning assembly are kept clean, and the cleaning quality of workpieces is ensured; the rotating cylinder drives the rotating plate to rotate, so that the wiping cloth rotates, the outer shell of the pre-cleaning roller and the cleaning assembly is cleaned, self-cleaning is quickly realized, and meanwhile, the rotating plate supports the pre-cleaning roller and the cleaning assembly, so that sundries on the pre-cleaning roller and the cleaning assembly are prevented from falling onto the outer shell of the transmission line body; the prepressing mechanism body is used for prepressing the liquid crystal panel and the shell on the carrier, the positions of the liquid crystal panel and the shell are adjusted, and then the prepressing mechanism body is used for performing secondary pressing on the prepressed liquid crystal panel and the shell, so that the pressing quality is ensured, and the liquid crystal panel and the shell are firmly fixed; the liquid crystal panel on the feeding mechanism is grabbed by the grabbing assembly and then moved to the assembly line mechanism, the liquid crystal panel and the shell are stacked, and then the liquid crystal panel and the shell are pre-pressed by the grabbing assembly, so that pre-pressing equipment is omitted, the floor area of the equipment is saved, and meanwhile, the feeding mechanism carries out staggered feeding through the first feeding unit and the second feeding unit, so that the feeding efficiency is improved, and the production efficiency is further improved; 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; the first rotary cylinder drives the second rotary cylinder to rotate, so that the film is turned over to simulate manual film tearing; the liquid crystal panel is contacted with the pressing module through pushing of the jacking assembly, the pressing module is used for prepressing the liquid crystal panel and the shell, the connecting module is driven to move under an acting force, the pressure sensor is contacted with the pressing module, and the liquid crystal panel and the shell are pressed for the second time, so that the pressing equipment is suitable for the liquid crystal panels and the shells with different heights, and the pressing precision is ensured; the outer edge of the liquid crystal panel is pushed and pressed by the pressing head, so that the thin film transistor used for displaying in the liquid crystal panel is prevented from being extruded, the thin film transistor is prevented from being damaged, the pressing yield is improved, and the production efficiency is improved; 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, 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 an assembly line for LCD screen, includes cleaning device body (2), compression fittings, feed mechanism (4), assembly line mechanism (7), its characterized in that: the assembly line mechanism (7) comprises a plurality of transmission line bodies (71) and a carrier (73), and a transmission channel of the assembly line mechanism (7) is formed by splicing the transmission line bodies (71), so that the carrier (73) sequentially moves to the cleaning device body (2), the feeding mechanism (4) and the pressing device along the transmission channel in the assembly line mechanism (7);

a shell (81) is fixedly placed on the carrier (73); the cleaning device body (2) comprises a cleaning part, and the surface of the shell (81) is cleaned through the cleaning part;

the feeding mechanism (4) is used for conveying the liquid crystal panel (82), and conveying the liquid crystal panel (82) to the carrier (73) so that the liquid crystal panel (82) is stacked on the shell (81);

the laminating device laminates and fixes the overlapped shell (81) and the liquid crystal panel (82) in the carrier (73), so that the shell (81) and the liquid crystal panel (82) are fixedly connected to form an integral liquid crystal screen.

2. An assembly line for liquid crystal panels, as claimed in claim 1, characterized in that: the cleaning device is characterized by further comprising two transfer mechanisms (1), wherein the number of the streamline mechanisms (7) is two, and the transfer mechanisms (1) are arranged on two sides of the cleaning device body (2) and the pressing device;

the transfer mechanism (1) comprises a driver and a transmission assembly, wherein the transmission assembly is used for transmitting the carrier (73), and the transmission assembly is driven to move between the two pipeline mechanisms (7) through the driver, so that the carrier (73) circulates between the two pipeline mechanisms (7).

3. An assembly line for liquid crystal panels, as claimed in claim 2, characterized in that: the driver comprises a linear motor (111), and the transmission assembly is driven to move along the vertical direction by the linear motor (111), so that the two pipeline mechanisms (7) are arranged in parallel along the vertical direction.

4. An assembly line for liquid crystal panels, as claimed in claim 1, characterized in that: the cleaning device body (2) comprises a pre-cleaning mechanism (21) and a cleaning mechanism (22), wherein the pre-cleaning mechanism (21) and the cleaning mechanism (22) are sequentially arranged along the transmission direction of the streamline mechanism (7);

the carrier (73) carrying the workpiece is transmitted to the pre-cleaning mechanism (21) through the transmission line body (71), the pre-cleaning mechanism (21) pre-cleans a shell (81), the pre-cleaned shell (81) is transmitted to the cleaning mechanism (22) through the transmission line body (71), and the cleaning mechanism (22) secondarily cleans the shell (81).

5. An assembly line for liquid crystal panels, as claimed in claim 4, characterized in that: the cleaning device body (2) further comprises a wiping component (24), the wiping component (24) is installed at a position close to the transmission line body (71), the pre-cleaning mechanism (21) comprises a pre-cleaning roller (214), and the cleaning mechanism (22) comprises a cleaning component (222); the wiping component (24) is arranged at a cleaning position corresponding to the pre-cleaning roller (214) and the cleaning component (222), and the pre-cleaning roller (214) and the cleaning component (222) move to the wiping component (24) for self-cleaning after cleaning the shell (81);

the wiping component (24) comprises a wiping plate and a rotating cylinder (242), the wiping plate is mounted on the rotating cylinder (242), and the rotating cylinder (242) drives the wiping plate to rotate above the transmission line body (71).

6. An assembly line for liquid crystal panels, as claimed in claim 4, characterized in that: the cleaning device body (2) further comprises a visual detection assembly (23), the visual detection assembly (23) is arranged at a position close to the cleaning mechanism (22), and the detection end of the visual detection assembly (23) faces to the carrier (73) on the transmission line body (71).

7. An assembly line for liquid crystal panels, as claimed in claim 4, characterized in that: the pressing device comprises a prepressing mechanism body (3) and a pressing mechanism body (5); the pre-cleaning mechanism (21) and the cleaning mechanism (22) are sequentially arranged along the transmission direction of the assembly line mechanism (7);

the prepressing mechanism body (3) comprises a grabbing component (32) and a prepressing component, wherein the grabbing component (32) is used for grabbing the liquid crystal panel (82) on the feeding mechanism (4) and stacking the liquid crystal panel (82) on a shell (81) of the carrier (73); the pre-pressing component is used for pre-pressing the liquid crystal panel (82) and the shell (81);

the pressing mechanism body (5) comprises a pressing module (54), and pressure is applied to the liquid crystal panel (82) and the shell (81) through the pressing module (54), so that the liquid crystal panel (82) and the shell (81) are pressed and fixed.

8. An assembly line for liquid crystal panels, as claimed in claim 7, characterized in that: the grabbing component (32) comprises a connecting bracket (321), a vertical driving module (322) and a grabbing unit; 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;

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); the sucker fixing plate (325) is driven by the vertical driving module (322) to apply pressure to the liquid crystal panel (82), so that the grabbing component (32) simultaneously realizes the prepressing station of the prepressing component to the liquid crystal panel (82) and the shell (81).

9. An assembly line for liquid crystal panels, as claimed in claim 7, characterized in that: the pre-pressing mechanism body (3) further comprises a film clamping assembly (33), the film clamping assembly (33) comprises a first rotating cylinder (331) and a second rotating cylinder (332), and the second rotating cylinder (332) is installed on the rotating end of the first rotating cylinder (331);

a clamping claw part (333) is arranged on the second rotary cylinder (332), the clamping claw part (333) is driven to be folded through the second rotary cylinder (332), and a first clamping block (334) and a second clamping block (335) are mounted on the clamping claw part (333);

the prepressing mechanism body (3) further comprises a portal frame, a linear driver (312) is arranged on the portal frame, the linear driver (312) drives the grabbing component (32) to move to the film clamping component (33), a film (83) on the liquid crystal panel (82) is clamped through the first clamping block (334) and the second clamping block (335), the second rotating cylinder (332) rotates under the driving of the first rotating cylinder (331), so that the film (83) clamped by the first clamping block (334) and the second clamping block (335) is turned over, the linear driver (312) drives the grabbing component (32) to move continuously, and the film (83) is peeled off from the liquid crystal panel (82).

10. An assembly line for liquid crystal panels, as claimed in claim 7, characterized in that: the pressing mechanism body (5) comprises a connecting module (53) and a pressure component; a pressure sensor (535) is arranged on one side, close to the pressing module (54), of the connecting module (53); driving the connecting module (53) by the pressure assembly, the pressure sensor (535) contacting the stitching module (54) so that the pressure assembly applies pressure for stitching to the stitching module (54);

the pressure assembly comprises a transmission module (52) and a driving module (55), wherein the driving module (55) comprises a driving motor (551) and a driving wheel (552); the transmission module (52) comprises a screw rod (521) and a driven wheel (522), the pressing mechanism body (5) further comprises a fixing support (51) used for fixedly supporting the pressing mechanism body (5), the fixing support (51) comprises a driving plate (512) connected with the connecting module (53), and a nut seat (5122) is mounted on the driving plate (512);

the nut seat (5122) is in threaded connection with the screw rod (521); the screw rod (521) is connected with the driven wheel (522), the driving motor (551) is connected with the driving wheel (552), and the driving wheel (552) drives the driven wheel (522) to enable the driving plate (512) to move.