CN212863128U

CN212863128U - Transmission equipment for secondary press-fit liquid crystal display

Info

Publication number: CN212863128U
Application number: CN202020344455.6U
Authority: CN
Inventors: 邢正江; 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: 2021-04-02
Anticipated expiration: 2030-03-18

Abstract

The utility model provides a transmission equipment for secondary pressfitting LCD screen, including prepressing mechanism body, feed mechanism, pressing mechanism body, assembly line mechanism, wherein, assembly line mechanism includes the transmission line body, carrier, bears the shell that has been used for the LCD screen on the carrier, splices through a plurality of transmission line bodies and forms the assembly line mechanism that is used for transmitting the carrier; the feeding mechanism is used for transmitting a liquid crystal panel of the liquid crystal screen; 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, a pressure assembly in the pressing mechanism body exerts an acting force on the pressing module, and the pressing module presses the liquid crystal panel and the shell for the second time.

Description

Transmission equipment for secondary press-fit liquid crystal display

Technical Field

The utility model belongs to the automation field, concretely relates to a transmission equipment for secondary pressfitting 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;

in the existing laminating equipment, because the liquid crystal panel and the shell are limited by an internal structure in the stacking process, the laminating plane of the pressure head is not parallel to the laminated liquid crystal panel, when the laminating equipment is laminated, the stress of different positions on the liquid crystal panel is uniform, the detector on the pressure head is often misjudged, and the liquid crystal panel cannot be completely pressed into the shell after the liquid crystal panel is pressed, so that the laminating precision is reduced, the incomplete lamination is caused, and the phenomenon of separation occurs in the use process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a transmission equipment for secondary pressfitting LCD screen.

The utility model provides a transmission device for secondary pressing liquid crystal display screen, which comprises a prepressing mechanism body, a feeding mechanism, a pressing mechanism body and a production line mechanism, wherein,

the assembly line mechanism comprises transmission line bodies and a carrier, wherein a shell for a liquid crystal display is placed on the carrier, and the assembly line mechanism for transmitting the carrier is formed by splicing a plurality of transmission line bodies;

the feeding mechanism is used for transmitting a liquid crystal panel of the liquid crystal screen;

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, a pressure assembly in the pressing mechanism body exerts an acting force on the pressing module, and the pressing module performs secondary pressing on the liquid crystal panel and the shell.

Preferably, the feeding mechanism comprises a first feeding unit and a second feeding unit which are used for bearing the liquid crystal panel;

the feeding mechanism comprises a driving assembly, and the driving assembly comprises a first transmission module and a first motor;

the first motor drives the first transmission module, so that the first transmission module drives the first feeding unit and the second feeding unit to move;

the first feeding unit is arranged above the second feeding unit, and the first feeding unit and the second feeding unit move in opposite directions;

and grabbing the liquid crystal panel on the first feeding unit or the second feeding unit through the grabbing assembly.

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 linear driver and 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; the connecting module is connected with the pressing module in a sliding mode, and a pressure sensor is mounted on the connecting module; the pressure assembly drives the connecting module to move towards the pressing module, so that the pressure sensor is in contact with the pressing module, and the pressure assembly applies pressure for pressing to the pressing module.

Preferably, the pressure assembly comprises a second transmission module, a driving module and a driving plate, and the driving module comprises a second motor and a driving wheel; the second 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 second motor is connected with the driving wheel, and the driving wheel drives the driven wheel so that the driving plate moves.

Preferably, the pressing module comprises a pressing plate and a pressing head, and the pressing head is installed on the pressing plate; wherein,

the pressure head is contacted with the liquid crystal panel, the pressure head is arranged at the position correspondingly surrounding the outer edge of the liquid crystal panel, and when the pressing module is pressed, the outer edge of the liquid crystal panel is pressed tightly through the pressure head.

Preferably, the pressfitting module still includes slip post, backing plate, the backing plate is installed on the clamp plate, inlay on the backing plate and be equipped with the sleeve, the sleeve passes through clamp plate, backing plate are spacing fixed, the slip post is in slide in the sleeve, the slip post fixed mounting be in connect on the module.

Preferably, the transfer mechanism comprises a driver, a transmission assembly for transmitting the carrier;

the number of the assembly line mechanisms is two, and the transmission directions of the two assembly line mechanisms are opposite; the transmission assembly is driven to move between the two assembly line mechanisms through the driver, 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.

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

the utility model provides a transmission equipment for secondary pressfitting LCD screen through liquid crystal display panel, the shell pre-compaction of pre-compaction mechanism body on to the carrier, adjusts the position of liquid crystal display panel, shell, carries out the secondary pressfitting by the liquid crystal display panel, the shell that the pre-compaction mechanism body was gone on again to the pre-compaction for liquid crystal display panel, shell are fixed firm, 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 second embodiment of the transfer mechanism of the present invention;

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

fig. 5 is a schematic view of a partial structure of the prepressing mechanism body and the feeding mechanism according to an embodiment of the present invention;

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

FIG. 7 is an enlarged partial schematic view of FIG. 6;

fig. 8 is a schematic perspective view of a grasping assembly according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a film clamping assembly according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a pipeline mechanism according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of the pressing mechanism body according to an embodiment of the present invention;

fig. 12 is a right side view of the pressing mechanism body according to an embodiment of the present invention;

FIG. 13 is an enlarged partial schematic view of FIG. 12;

fig. 14 is a right side view of the press module according to an embodiment of the present invention;

fig. 15 is a bottom view of the pressing module 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; 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; 34. a scrap tray; 4. a feeding mechanism; 41. a drive assembly; 411. a first transmission module; 412. a first 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 second transmission module; 521. a screw rod; 522. a driven wheel; 53. a connecting module; 531. a connecting plate; 532. a micrometer; 533. an adjusting block; 534. connecting columns; 535. a pressure sensor; 54. a pressing module; 541. pressing a plate; 542. a sliding post; 543. a pressure head; 544. cushion blocks; 545. a base plate; 546. a sleeve; 547. a buffer block; 55. a driving module; 551. a second 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; 715. A driven shaft; 72. a jacking assembly; 73. a carrier is provided.

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.

The existing liquid crystal screen comprises a shell, a liquid crystal panel, wherein the back of the liquid crystal panel is coated with glue, the liquid crystal panel and the shell are required to be bonded to form the liquid crystal screen, a clamping groove for limiting the liquid crystal panel is formed in the shell, the shell and the liquid crystal panel are required to be fixed through applying external force, meanwhile, as the industrial glue needs certain temperature and pressure to exert the viscosity, the step similar to pressure maintaining is required to be implemented for pressing the press-fit liquid crystal screen, so that the industrial glue fixes the shell and the liquid crystal panel, and the glue is prevented from being broken.

As shown in fig. 1, the transmission device for secondary pressing of the liquid crystal display comprises a pre-pressing mechanism body 3, a feeding mechanism 4, a pressing mechanism body 5 and a production line mechanism 7; the shell and the liquid crystal panel are pre-pressed through the pre-pressing mechanism body 3, the shell and the liquid crystal panel are positioned, and the pressing mechanism body 5 performs secondary pressing on the shell and the liquid crystal panel for a long time, so that the effect similar to pressure maintaining is achieved.

As shown in fig. 10, the assembly line mechanism 7 includes a transmission line body 71 and a jacking assembly, 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 assemblies are respectively arranged at the pressing positions corresponding to the pre-pressing mechanism body 3 and the pressing mechanism body 5, the assembly line mechanism 7 further comprises a carrier 73, the carrier 73 is used for bearing the shell, and the carrier 73 moves along with the transmission line body 71.

As shown in fig. 5-8, the prepressing mechanism body 3 includes a prepressing assembly, a gantry, and a grabbing assembly 32, wherein the gantry includes a fixing structure for supporting the prepressing assembly and the grabbing assembly 32, and a linear actuator 312, and the linear actuator 312 is mounted on the fixing structure of the gantry; 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 and stacking the liquid crystal panel on the carrier 73, and the prepressing component is used for prepressing the shell and the liquid crystal panel 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 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.

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; 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.

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 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.

In order to ensure that the subsequent pressing mechanism body 5 is smoothly carried out, after the grabbing component 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, the pressure is kept at a fixed value, the sucker fixing plate 325 is driven to apply pressure on the liquid crystal panel through the vertical driving module 322, so that the grabbing component 32 simultaneously realizes the prepressing of the liquid crystal panel and the shell, the grabbing component 32 is used as a prepressing component, and the prepressing component is omitted.

The feeding mechanism 4 is used for transmitting a liquid crystal panel 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, 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 first transmission module 411, a first motor 412; the first motor 412 drives the first transmission module 411, so that the first 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.

As shown in fig. 11, the pressing mechanism body 5 includes a connecting module 53 and a pressing module 54, wherein the pressing module 54 is slidably connected to the connecting module 53; 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, 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 is arranged at the position corresponding to the pressing module 54; in order to ensure that the shell is fixedly connected with the liquid crystal panel, the contact surface of the liquid crystal panel and the shell is sprayed with industrial glue, 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, one surface of the liquid crystal panel sprayed with the glue is covered with a film, and the other surface of the liquid crystal panel sprayed with the glue is isolated from the external air, as shown in fig. 9, the assembling mechanism further comprises a film clamping component 33, and the film covered on the liquid crystal panel is torn off through the film clamping component 33 before the shell is assembled with the liquid crystal panel; 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 orders the grabbing component 32 to grab the liquid crystal panel, the driving device orders the grabbing component 32 to move to the film clamping component 33, the second rotating cylinder 332 orders the clamping claw parts 333 on the two sides to be closed, 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 is clamped tightly, the grabbing component 32 grabs and fixes the liquid crystal panel, the film clamping component 33 clamps the film 83, the grabbing component 32 carries the liquid crystal panel under the order of the driving device, the film clamping component 33 clamps the film 83 tightly, the film 83 is peeled off from the liquid crystal panel, the film tearing is automatically realized, the labor cost is saved, the production efficiency is improved, the automatic operation is convenient to be carried out in a closed environment, the film tearing mechanism is placed in an isolated environment to work, and the sealing operation is convenient to be carried out.

Furthermore, 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 situation that the film 83 moves along with the liquid crystal panel during the driving of the grabbing component 32 by a driving device is avoided, 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.

The film clamping assemblies 33 are arranged between the feeding mechanism 4 and the assembly line mechanism 7, so that the film 83 is torn off in the process of moving the liquid crystal panel by the grabbing assemblies 32, the number of the film clamping assemblies 33 is two, the number of the film clamping assemblies 33 is reduced, the number of the moving steps of the grabbing assemblies 32 is reduced, the moving paths of the grabbing assemblies 32 are simplified, the film clamping assemblies 33 are respectively arranged on two sides of the grabbing assemblies 32, the waste material tray 34 is arranged between the two film clamping assemblies 33, and the film 83 torn off by the film clamping assemblies 33 is stored in the waste material tray 34.

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

the movable shell on the transmission line body 71 is jacked by the jacking component, so that the shell on the jacking component 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.

As shown in fig. 11-15, 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 a 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.

The top plate is provided with positioning columns which are arranged on two opposite angles corresponding to the top plate; the carrier 73 is provided with a positioning hole matched with the positioning column, and the positioning column extends into the positioning hole to position the carrier 73 through the lifting of the top plate, so that the press-fit module 54 is accurately contacted with the liquid crystal panel; install a plurality of suction nozzles on the roof, the suction nozzle sets up the coplanar at the reference column, and when the roof lifted, the suction nozzle passed carrier 73 for the suction nozzle contacts with the shell of carrier 73, adsorbs the shell through the suction nozzle, thereby fixes carrier 73 and jacking subassembly 72, has avoided liquid crystal display panel, shell to take place the skew in the pressfitting in-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 and the housing, 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 and the housing 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, 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 thus the pressing module 54 presses the liquid crystal panel and the housing for the second time, and the pressing assembly of the liquid crystal panel and the housing in the liquid crystal screen is realized; because the liquid crystal panel and the shell are uncertain in the stacking process, the stacking height of the liquid crystal panel and the shell has errors, the liquid crystal panel and the shell are pressed by using general pressing equipment, the pressing precision is influenced because the pressing force applied to the liquid crystal panel is different due to misjudgment of a detector in the pressing equipment, the liquid crystal panel and the shell are pre-pressed by the dead weight of the pressing module 54 in the pressing mechanism, the liquid crystal panel and the shell with different stacking heights are adjusted, the liquid crystal panel and the shell are equivalently positioned, the liquid crystal panel and the shell are tightly pressed by the pressing module 54, the liquid crystal panel and the shell are compacted, the liquid crystal panel and the shell are pre-pressed and adjusted by pre-pressing, the liquid crystal screen is firmly connected by secondary pressing, and therefore the assembly is completed, the pressing mechanism is suitable for stacking the liquid crystal panels and the shells.

Because the liquid crystal panel comprises the glass substrate of the thin film transistor, each liquid crystal pixel point is driven by the thin film transistor integrated behind the liquid crystal panel, and in the pressing process, the pressing module 54 needs to contact with the surface of the liquid crystal panel, the pressing module 54 needs to apply pressure to the surface of the liquid crystal panel to fix the liquid crystal panel and the shell, the pressing surface of the common pressing equipment contacts with the surface of the liquid crystal panel, the pressing equipment easily damages the thin film transistor inside, in order to avoid the pressing module 54 from damaging the thin film transistor inside, a cushion block 544 is installed on one side of the pressing plate 541 of the pressing mechanism close to the liquid crystal panel, the cushion block 544 is arranged at the position correspondingly surrounding the outer edge of the liquid crystal panel, so that the pressing module 54 applies force at the edge position of the liquid crystal panel, the display position in the middle of the liquid crystal panel is avoided, and meanwhile, the liquid crystal panel is required to be glued and fixed, and the edge position of the liquid crystal panel is glued, so that the cushion block 544 is pressed on the glued position of the liquid crystal panel, the liquid crystal panel and the shell are conveniently fixed, and the liquid crystal panel and the shell are prevented from being degummed;

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

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

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

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

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 includes a second transmission module 52 and a driving module 55, the driving module 55 includes a second motor 551 and a driving wheel 552, the driving wheel 552 is connected with a driving part of the second motor 551, the second transmission module 52 includes a lead screw 521 and a driven wheel 522, the driven wheel 522 is connected with the lead screw 521, and a nut seat 5122 for cooperating with the lead screw 521 is mounted on the driving plate 512; the second 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, and the rotation of the second motor 551 is sequentially transmitted through the driving wheel 552, the driven wheel 522, the screw 521 and the nut seat 5122, so that the driving plate 512 moves along the direction of the guide pillar 513, and the driving plate 512 pushes the connecting module 53 to press.

The second 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 second motor 551 is arranged between the upper cover plate 511 and the lower base plate 514, so that the height of the pressing mechanism body is reduced, the height of a fixing structure formed by the upper cover plate 511, the lower base plate 514 and the guide post 513 is fixed, and meanwhile, the screw rod 521 is inserted into the upper cover plate 511 and the lower base plate 514 in a penetrating manner, so that a larger space exists between the upper cover plate 511 and the lower base plate 514, and the second 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 column 515, the column 515 is mounted on the lower plate 514, and the pressing mechanism body 5 is fixed on the substrate by the column 515, so that the assembly line mechanism 7 passes through the lower plate 514, and the lifting assembly 72 is convenient for lifting the carrier 73 and then quickly contacting 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 display panel, the position of shell.

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 that damages in position.

As shown in fig. 2-4, in a preferred embodiment, the transferring apparatus further includes a transferring mechanism 1, the transferring mechanism 1 includes a driver, and a transferring assembly for transferring the carrier 73, the transferring assembly is mounted on a movable end of the driver, and the driver drives the transferring assembly to move between the two pipeline mechanisms 7, so that the carrier 73 circulates between the two pipeline mechanisms 7, which facilitates automation, and saves cost due to the fact that the use of manpower is avoided through automation control.

Further, the driver comprises a linear motor 111, the linear motor 111 drives the transmission assembly to move in the vertical direction, so that the two pipeline mechanisms 7 are arranged in parallel in the vertical direction, the prepressing mechanism body 3, the feeding mechanism 4 and the pressing mechanism body 5 are arranged on the pipeline mechanism 7 above, wherein the prepressing mechanism body 3 and the pressing mechanism body 5 are sequentially arranged in the transmission direction of the pipeline 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 on one 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 assembly through the pipeline mechanism 7 above, the carrier 73 is limited by the baffle 1121, so that the carrier 73 stays on the transmission assembly, after the liquid crystal screen is taken out, the transmission assembly is driven by the linear motor 111 to go down the well in the vertical direction, so that the transmission assembly corresponds to the pipeline mechanism 7 below, and the transmission assembly works to send the empty carrier 73 to the pipeline mechanism 7 below for transmission.

In a preferred embodiment, the transmission line body 71 comprises 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.

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 liquid crystal screen laminating method using the transmission equipment comprises the following steps:

s1, the carrier 73 fixedly placed with the outer shell is conveyed by the transmission line body 71 to be close to the pre-pressing mechanism body 3;

s2, the lifting component lifts the carrier 73, the grabbing component 32 grabs the liquid crystal panel from the feeding mechanism 4, and the liquid crystal panel is precisely stacked on the housing of the carrier 73 through the positioning detection device 313;

s3, the vertical driving module 322 drives the suction cup fixing plate 325 to apply pressure to the liquid crystal panel, so that the grabbing component 32 can pre-press the liquid crystal panel and the housing;

s4, after the pre-pressing is completed, the jacking assembly re-places the carrier 73 on the transmission line body 71, and the carrier 73 moves to the pressing mechanism body 5 along with the transmission line body 71;

s5, the carrier 73 with the shell and the liquid crystal panel is moved to the position of the pressing module 54 on the pressing mechanism body 5 by the transmission line body 71;

s6, the lifting component lifts the carrier 73 to make the carrier 73 contact with the pressing module 54, and the lifting component lifts the carrier 73 and the pressing module 54 toward the connecting module 53;

s7, under the driving of the pushing force of the pressure component, the connecting module 53 moves toward the pressing module 54, and when the pressure sensor 535 just contacts with the pressing module 54 and the pressure sensor 535 detects the pressure, the pressure component stops working;

s8, the pressure component continues to push the connection module 53, and keeps the pressure detected by the pressure sensor 535 at a fixed value, so that the housing and the liquid crystal panel are pressed together to form a liquid crystal display;

s9, the pressure assembly drives the connection module 53 to lift up, so that the pressure sensor 535 is separated from the pressing module 54;

s10, the module 53 to be connected returns to the fixed position before pressing, the pressure assembly stops working, and the jacking assembly retracts;

s11, the lifting assembly carrying carrier 73 and the pressing module 54 moving toward the transmission line body 71;

s12, when the pressing module 54 moves to the position limited by the sliding of the connecting module 53, the carrier 73 carried by the jacking assembly 72 continues to move, and the pressing module 54 is separated from the liquid crystal screen;

s13, the jacking assembly replaces the carrier 73 on the transfer line 71, and the carrier 73 moves to the transfer mechanism 1 along with the transfer line 71;

s14, the carrier 73 moves to the transfer mechanism 1, the liquid crystal screen after being pressed is taken out, and the idle carrier 73 flows into the lower assembly line mechanism 7 along with the transfer mechanism 1 again.

Through the pressing step, the shell and the liquid crystal panel are fixedly pressed tightly to be connected to form the integrated liquid crystal display, so that the stable pressing quality of the liquid crystal display is ensured, and the shell and the liquid crystal panel are prevented from being separated.

The utility model provides a transmission equipment for secondary pressfitting LCD screen, prepressing liquid crystal panel, shell on the carrier through the prepressing mechanism body, adjusting the position of liquid crystal panel, shell, and then carrying out secondary pressfitting on the prepressed liquid crystal panel, shell by the pressfitting mechanism body, guaranteed the pressfitting quality, make liquid crystal panel, shell fixed firm; 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 the structure is reliable, convenient to use, the maintenance of being convenient for.

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

Claims

1. A transmission equipment for secondary pressfitting LCD screen, including prepressing mechanism body (3), feed mechanism (4), pressing mechanism body (5), assembly line mechanism (7), its characterized in that: wherein,

the assembly line mechanism (7) comprises a transmission line body (71) and a carrier (73), wherein an outer shell for a liquid crystal display is placed on the carrier (73), and the assembly line mechanism (7) for transmitting the carrier (73) is formed by splicing a plurality of transmission line bodies (71);

the feeding mechanism (4) is used for transmitting a liquid crystal panel of the liquid crystal screen;

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 on the feeding mechanism (4) and stacking the liquid crystal panel on the shell of the carrier (73); the pre-pressing component is used for pre-pressing the liquid crystal panel and the shell;

the pressing mechanism body (5) comprises a pressing module (54), a pressure assembly in the pressing mechanism body (5) exerts an acting force on the pressing module (54), and the pressing module (54) performs secondary pressing on the liquid crystal panel and the shell.

2. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 1, wherein: the feeding mechanism (4) comprises a first feeding unit (42) and a second feeding unit (43) which are used for bearing the liquid crystal panel;

the feeding mechanism (4) comprises a driving assembly (41), and the driving assembly (41) comprises a first transmission module (411) and a first motor (412);

the first transmission module (411) is driven by the first motor (412), so that the first 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;

and grabbing the liquid crystal panel on the first feeding unit (42) or the second feeding unit (43) through the grabbing assembly (32).

3. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 1, wherein: 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, so that the grabbing component (32) simultaneously realizes the prepressing station of the prepressing component to the liquid crystal panel and the shell.

4. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 1, wherein: the pre-pressing mechanism body (3) further comprises a linear driver (312) and 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 linear driver (312) drives the grabbing component (32) to move to the film clamping component (33), the film (83) on the liquid crystal panel is clamped through the first clamping block (334) and the second clamping block (335), the second rotary cylinder (332) rotates under the drive of the first rotary 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 continue to move, and the film (83) is peeled off from the liquid crystal panel.

5. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 4, wherein: the pressing mechanism body (5) comprises a connecting module (53); the connecting module (53) is in sliding connection with the pressing module (54), and a pressure sensor (535) is mounted on the connecting module (53); the pressure component drives the connecting module (53) to move towards the pressing module (54) so that the pressure sensor (535) is in contact with the pressing module (54), and the pressure component applies pressure for pressing to the pressing module (54).

6. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 5, wherein: the pressure component comprises a second transmission module (52), a driving module (55) and a driving plate (512),

the driving module (55) comprises a second motor (551) and a driving wheel (552); the second transmission module (52) comprises a screw rod (521) and a driven wheel (522), and a nut seat (5122) is mounted on the driving plate (512);

the nut seat (5122) is in threaded connection with the screw rod (521); the screw rod (521) is connected with the driven wheel (522), the second 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.

7. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 5, wherein: the pressing module (54) comprises a pressing plate (541) and a pressing head (543), wherein the pressing head (543) is installed on the pressing plate (541); wherein,

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

8. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 7, wherein: the pressing module (54) further comprises a sliding column (542) and a base plate (545), the base plate (545) is installed on the pressing plate (541), a sleeve (546) is embedded on the base plate (545), the sleeve (546) is limited and fixed through the pressing plate (541) and the base plate (545), the sliding column (542) slides in the sleeve (546), and the sliding column (542) is fixedly installed on the connecting module (53).

9. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 1, wherein: the transfer mechanism (1) comprises a driver and a transmission assembly for transmitting the carrier (73);

the number of the assembly line mechanisms (7) is two, and the transmission directions of the two assembly line mechanisms (7) are opposite; the transmission assembly is driven to move between the two assembly line mechanisms (7) through the driver, so that the carrier (73) circulates between the two assembly line mechanisms (7).

10. The transfer apparatus for twice-laminating a liquid crystal panel as claimed in claim 9, wherein: 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.