CN115626465A - A liquid crystal display production line and production method - Google Patents

Abstract

The invention discloses a liquid crystal display screen production line and a production method, and relates to the technical field of liquid crystal display screen production. The invention can lead the bearing seat to do reciprocating turning motion under the contact action of the double-resisting block and the convex block and the mutual matching of the arrow-shaped block and the V-shaped rotating block through the sliding of the driving component, thereby achieving the effect of turning the liquid crystal display screen.

Description

A liquid crystal display production line and production method

technical field

The invention relates to the technical field of liquid crystal display production, in particular to a liquid crystal display production line and a production method.

Background technique

Liquid crystal display is a kind of flat-panel display, which is used for the screen display of televisions and computers. The advantages of the display are low power consumption, small size, and low radiation. The liquid crystal display uses a liquid crystal solution in two polarized materials, so that when the current passes through the liquid, the crystals will be rearranged to achieve the purpose of imaging.

The production line is also called the assembly line. According to the conveying method of the assembly line, it can be roughly divided into seven types: belt assembly line, plate chain line, double-speed chain, plug-in line, mesh belt line, suspension line and roller assembly line. Composed of components, driving devices, tensioning devices, redirecting devices and supporting parts; the assembly line has high scalability, and the conveying volume, conveying speed, assembly station, and auxiliary parts can be designed according to requirements, including quick connectors, fans, lamps, and sockets , process kanban, storage table, 24V power supply, wind batch, etc., so it is widely welcomed by enterprises. The assembly line is an effective combination of people and machines, which fully reflects the flexibility of the equipment. Organic combination to meet the conveying requirements of various products. The transmission mode of the conveyor line can be synchronous transmission (forced type) or asynchronous transmission (flexible type). According to the choice of configuration, the requirements of assembly and transportation can be realized. The conveyor line is indispensable in the mass production of enterprises.

Existing liquid crystal screen itself has problems such as easy damage, in order to ensure its good product rate, it is necessary to prevent it from being subjected to violent impact, etc., and in the production process of the existing liquid crystal screen, it is usually necessary to press the polarizer at the upper and lower ends, and In the process of pressing the polarizer, it needs to be flipped. The existing flipping method is usually to install two sets of mechanical arms with suction cups and pressure-reducing components, so that the mechanical arms drive the suction cups to adsorb and flip the LCD screen, and then use another set of mechanical arms to flip the LCD screen. It is subjected to adsorption treatment, and then placed on the transfer plane for pressing treatment. Due to the high cost of the robotic arm, its large footprint, and its later failure requires professional maintenance personnel to maintain and repair it, resulting in its production progress. stagnation, greatly affecting its production efficiency.

Contents of the invention

Based on this, the purpose of the present invention is to provide a liquid crystal display production line and production method to solve the technical problems raised in the above background.

In order to achieve the above object, the present invention provides the following technical solutions: a liquid crystal display production line and production method, including a production machine, the top of the production machine is fixed with a rear base, and the side wall of the rear base is fixed with a bottom slide There are two sets of side frames fixedly connected to the rear base above the bottom sliding seat, U-shaped sliding frames slide between the two sets of side frames, and two sets of double-resisting sliding frames are arranged inside the U-shaped sliding frame. block, the inside of the U-shaped sliding frame is fixed with a guide rail bar on the side away from the double block, and the top of the bottom slide seat slides with a drive assembly;

The side wall of the drive assembly is rotated with a V-shaped block, and two sets of protrusions are fixed on the side of the V-shaped block away from the drive assembly, and the end of the V-shaped block is fixed with a rear end extending to the other side of the drive assembly. Rotating rod, and the rear rotating rod is rotatably connected with the driving assembly, the other side of the driving assembly is fixed with a side fixing rod, and a return spring is rotated between the rear rotating rod and the side fixing rod.

Preferably: the two groups of projections are arranged symmetrically about the vertical central axis of the V-shaped rotary block, and the side wall of the drive assembly is provided with a connecting hole matching the rear rotary rod, the rear rotary rod is U-shaped, and the One end of the return spring is fixed with a first rotating rod that rotates with the rear rotating rod, and the other end of the returning spring is fixed with a second rotating rod that is rotationally connected with the side fixing rod.

Preferably; the two sets of double abutment blocks are arranged symmetrically about the transverse central axis of the U-shaped sliding frame, the top of the double abutment block is higher than the relative horizontal highest position of the projection, and the projection will be subjected to double pressure during the sliding process of the drive assembly. Against the blocking of the block, the end of the rear rotating rod close to the V-shaped rotating block is at the same horizontal position as the transverse central axis of the arrow-shaped block.

Preferably; the two sets of double abutment blocks are arranged symmetrically about the transverse central axis of the U-shaped sliding frame, the top of the double abutment block is higher than the relative horizontal highest position of the projection, and the projection will be subjected to double pressure during the sliding process of the drive assembly. Against the blocking of the block, the end of the rear rotating rod close to the V-shaped rotating block is at the same horizontal position as the transverse central axis of the arrow-shaped block.

Preferably; the top of the bottom slide seat is fixed with a guide rail bar, the tapered column slides inside the guide rail bar, the side wall of the guide rail bar is provided with a guide groove matching the tapered column, and the vertical central axis of the guide groove A diamond-shaped guide groove matching the outer wall of the tapered column is opened at the position.

Preferably; the end of the V-shaped turning block close to the bump is fixed with a receiving seat, and the top of the receiving seat is fixed with multiple groups of suction cups, and the multiple groups of suction cups are distributed in a rectangular array, and the plurality of groups of suction cups and the piston cylinder are provided with In the air guide groove, two groups of rubber pads are fixed on the top of the receiving seat on one side of the suction cup, and the two groups of rubber pads are arranged symmetrically with respect to the vertical central axis of the receiving seat.

Preferably; the bottom end of the production machine is fixed with a protective box, the bottom end of the driving assembly is fixed with a rack extending to the inside of the protective box, the inner wall of the protective box rotates with a gear that engages with the rack, and the gear end A rotating shaft is fixed on the outer wall of the rotating shaft, and a fan is fixed on the outer wall of the rotating shaft, and an air guide tube sleeved on the outer wall of the fan is fixed on the inner wall of the protective box.

Preferably; the top of the production machine is fixed on one side of the U-shaped sliding frame with a transfer seat, the highest position of the transfer seat is lower than the lowest position of the receiving seat, and the top of the transfer seat is provided with a shock-absorbing sponge. The side wall of the seat is provided with multiple groups of air inlets, and an air guide box is arranged between the air inlets and the air guide pipe.

Preferably; the side wall of the rear base is fixed above the U-shaped sliding frame with a top plate fixed between the top of the U-shaped sliding frame and the top plate. There is a pair of lower magnetic blocks that are attracted to each other between the top of the production machine.

Preferred; Concrete method steps are as follows;

Step 1: The liquid crystal display screen with a polarizer on one side is placed on the top of the receiving seat through the holding device above the receiving seat;

Step 2: Start the drive assembly to reciprocate and slide on the top of the bottom sliding seat, and at the same time, the receiving seat can absorb and hold the LCD screen;

Step 3: While the driving component slides back and forth, the fan can be rotated, and the air of fine dust existing on the top of the transfer seat can be extracted;

Step 4: When the drive assembly moves so that the tapered column fits with the inner wall of one side of the guide rail, the drive assembly slides in the opposite direction at this time, so that the liquid crystal display placed on the top of the receiving seat can be turned over;

Step 5: When the drive assembly moves to the original position, the multiple sets of suction cups can release the LCD screen and make it fall to the top of the transfer seat.

In summary, the present invention mainly has the following beneficial effects:

In the present invention, through the sliding of the drive assembly, under the action of the contact between the double block and the bump, and under the mutual cooperation between the arrow block and the V-shaped block, the receiving seat can be reciprocated and flipped, and the liquid crystal display screen can be adjusted. In this process, the piston can draw the air between the suction cup and the LCD screen under the cooperation of the guide rail and the tapered column, so as to achieve the function of adsorption, and in the sliding process of the drive assembly In the middle, it can drive the fan to absorb the fine dust particles on the top of the transfer seat, which is convenient for laminating polarizers on both sides of the LCD screen, which can reduce the maintenance and cost of the traditional mechanical arm, and can greatly improve the LCD screen. yield rate.

Description of drawings

Fig. 1 is a perspective view of the production line of the present invention;

Figure 2 is a perspective view of the connection between the side frame and the U-shaped sliding frame of the present invention;

Fig. 3 is the top view of production line of the present invention;

Figure 4 is a perspective view of the connection between the bottom slide seat and the drive assembly of the present invention;

Fig. 5 is a side view of the U-shaped sliding frame of the present invention;

Fig. 6 is the front view of the bottom sliding seat of the present invention;

Fig. 7 is a sectional perspective view of the piston cylinder of the present invention;

Fig. 8 is a sectional perspective view of the protective box of the present invention;

Fig. 9 is a perspective view of the socket of the present invention.

In the figure: 100, the production machine;

200, rear base; 201, upper magnetic block; 202, lower magnetic block; 210, bottom sliding seat; 220, side frame;

300, U-shaped sliding frame; 310, double block; 320, guide rail; 330, arrow-shaped block;

400, drive assembly; 410, V-shaped rotary block; 411, bump; 420, receiving seat; 421, suction cup; 430, rear rotating rod; 431, return spring; 440, side fixed rod; 450, tapered column; 451 , limit spring; 452, piston; 460, rear support plate; 470, piston cylinder;

500, transfer seat; 510, shock-absorbing sponge;

600, protective box; 610, rack; 620, gear; 630, rotating shaft; 640, fan; 650, air duct.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

The embodiments of the present invention will be described below according to the overall structure of the present invention.

A liquid crystal display production line and production method, as shown in Figures 1-9, comprising a production machine 100, the top of the production machine 100 is fixed with a rear base 200, the side wall of the rear base 200 is fixed with a bottom sliding seat 210, the bottom There are two sets of side frames 220 fixedly connected to the rear base 200 above the slide seat 210, a U-shaped sliding frame 300 slides between the two sets of side frames 220, and two sets of double-resisting blocks 310 are arranged inside the U-shaped sliding frame 300. A guide rail 320 is fixed inside the U-shaped sliding frame 300 away from the double block 310, and a drive assembly 400 slides on the top of the bottom slide seat 210; a V-shaped rotary block 410 rotates on the side wall of the drive assembly 400, and the V-shaped rotary block 410 is far away from the drive. Two groups of protrusions 411 are fixed on one side of the assembly 400, and a rear rotating rod 430 extending to the other side of the driving assembly 400 is fixed on the end of the V-shaped rotating block 410, and the rear rotating rod 430 is rotationally connected with the driving assembly 400, and the driving assembly 400 The other side is fixed with a side fixed rod 440, and a return spring 431 rotates between the rear rotating rod 430 and the side fixed rod 440;

The side wall of the rear base 200 is located above the U-shaped sliding frame 300 and a top plate is fixed. A pair of upper magnetic blocks 201 are fixed between the top of the U-shaped sliding frame 300 and the top plate. The bottom of the U-shaped sliding frame 300 is connected to the production machine. A pair of lower magnetic blocks 202 are arranged between the tops of the 100 to attract each other.

When the liquid crystal display screen falls to the top of the receiving seat 420, the drive assembly 400 is started at this time, and the drive assembly 400 continues to slide on the top of the bottom slide seat 210. The two sets of double blocks 310 fixed inside the 300 are in contact with the side walls, which can squeeze the protrusion 411 and drive the V-shaped rotary block 410 fixed at its end to rotate around the contact position with the drive assembly 400. When the V-shaped rotary block 410 rotates by an angle When it is greater than ninety degrees, at the same time, it can also drive the fixed rear rotating rod 430 at the end of the V-shaped rotating block 410 to rotate. , the rear rotating rod 430 can be continuously rotated, and the total rotation angle of the V-shaped rotating block 410 at this time is 180 degrees, and at the same time, the liquid crystal display screen at the top of the receiving seat 420 can be turned over, and the driving assembly 400 is controlled to face the original direction at this time Sliding, when the V-shaped turning block 410 is in contact with the arrow-shaped block 330, the U-shaped sliding frame 300 fixed on one side of the arrow-shaped block 330 can be squeezed to slide on the side walls of the two sets of side frames 220, and a pair of upper magnetic blocks 201 Separated from each other, and the pair of lower magnetic blocks 202 are attracted to each other, and then the drive assembly 400 at this time reciprocates and slides toward the side where the guide rail bar 320 is provided with a diamond-shaped groove. The V-shaped rotary block 410 fixed at the end of the extrudable protrusion 411 rotates around the contact position with the driving assembly 400 , and resets it under the action of the return spring 431 .

Please refer to Figures 1-4; two sets of projections 411 are arranged symmetrically about the vertical central axis of the V-shaped turning block 410, and the side wall of the drive assembly 400 is provided with a connecting hole that matches the rear rotating rod 430, which is a U type, one end of the return spring 431 is fixed with the first rotating rod that rotates with the rear rotating rod 430, the other end of the returning spring 431 is fixed with the second rotating rod that is rotationally connected with the side fixing rod 440, and two groups of double-resisting blocks 310 are about the U-shaped slide The frame 300 is arranged symmetrically on the transverse central axis, and the top of the double block 310 is higher than the relative horizontal highest position of the bump 411, and the bump 411 will be blocked by the double block 310 during the sliding process with the drive assembly 400, and the rear rotating rod 430 is close to One end of the V-shaped turning block 410 is at the same horizontal position as the transverse central axis of the arrow-shaped block 330 .

The setting of the double resisting block 310 can block the protruding block 411 and make the V-shaped rotating block 410 rotate 180 degrees under the cooperation of the return spring 431 .

Please refer to Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7; the end of the rear rotating rod 430 away from the driving assembly 400 is fixed with a piston cylinder 470, the inner wall of the piston cylinder 470 slides with a piston 452, and one end of the piston 452 is fixed with a The outer tapered column 450, the end of the piston cylinder 470 away from the rear rotating rod 430 is provided with a movable groove matching the tapered column 450, and the inside of the tapered column 450 is sleeved with a rear support plate 460 that is slidably connected to the rear base 200. The limit spring 451 is fixed between the rear support plate 460 and the tapered column 450, the guide rail bar 320 is fixed on the top of the bottom slide seat 210, the tapered column 450 slides inside the guide rail bar 320, and the side wall of the guide rail bar 320 is provided with a tapered post. 450 matching guide groove, and the vertical central axis of the guide groove is provided with a diamond-shaped guide groove matching the outer wall of the tapered column 450, and the end of the V-shaped turn block 410 near the bump 411 is fixed with a receiving seat 420, and the receiving seat 420 There are multiple sets of suction cups 421 fixed on the top, and the multiple sets of suction cups 421 are distributed in a rectangular array. Air guide grooves are arranged between the multiple sets of suction cups 421 and the piston cylinder 470. Two sets of rubber pads are fixed on the top of the receiving seat 420 on one side of the suction cups 421. And two groups of rubber pads are arranged symmetrically with respect to the vertical central axis of the receiving seat 420 .

The liquid crystal display screen falls to the top of the receiving seat 420, and now the drive assembly 400 is started, and the drive assembly 400 slides on the top of the bottom slide seat 210, and the tapered column 450 slides inside the guide rail bar 320 at this time, because the guide rail bar 320 is vertical There is a diamond-shaped groove at the central axis, and because the outer wall of the tapered column 450 is tapered, the tapered column 450 can slide on the outer wall of the rear support plate 460 with the continuous sliding of the driving assembly 400 at this time, and Squeeze the limit spring 451 between the support plate 460 and the tapered column 450. At the same time, the tapered column 450 at this time drives the piston 452 fixed at its end to slide on the inner wall of the piston cylinder 470, which can guide the air guide groove. The air between the suction cup 421 and the liquid crystal display is extracted to the inside of the piston cylinder 470. At this time, the liquid crystal display is adsorbed to the top of the receiving seat 420. When the driving component 400 drives the liquid crystal display to turn over, it returns to its original position At this time, the outer wall of the tapered column 450 is in contact with the diamond-shaped groove provided inside the guide rail bar 320, so that the suction cup 421 can loosen the liquid crystal display screen, thereby achieving the effect of adsorption during the flipping process.

Please refer to Fig. 1, Fig. 6, Fig. 8 and Fig. 9; the bottom of the production machine 100 is fixed with a protective box 600, the bottom of the drive assembly 400 is fixed with a rack 610 extending into the protective box 600, and the inner wall of the protective box 600 rotates There is a gear 620 meshing with the rack 610, the end of the gear 620 is fixed with a rotating shaft 630, the outer wall of the rotating shaft 630 is fixed with a fan 640, the inner wall of the protective box 600 is fixed with an air duct 650 sleeved on the outer wall of the fan 640, and the top of the production machine 100 is located at A transfer seat 500 is fixed on one side of the U-shaped sliding frame 300, the highest position of the transfer seat 500 is lower than the lowest position of the receiving seat 420, the top of the transfer seat 500 is provided with a shock-absorbing sponge 510, and the side wall of the transfer seat 500 is provided with multiple groups of air inlets , and an air guide box is arranged between the air inlet and the air duct 650 .

When the driving assembly 400 drives the liquid crystal display to turn over, the driving assembly 400 slides on the top of the bottom sliding seat 210 at this time, so that the fixed rack 610 at the bottom can slide, because the inner wall of the protective box 600 rotates and engages with the rack 610 The gear 620 can make it rotate around the contact position with the inner wall of the protective box 600, and then drive the rotating shaft 630 fixed at its end to rotate, and then make the fan 640 fixed on the outer wall of the rotating shaft 630 rotate, which can remove fine dust on the top of the transfer seat 500, etc. Particles are attracted together with the air. At this time, the air enters the air guide box through the air inlet and then enters the inside of the air guide pipe 650, which achieves the effect of absorbing dust, greatly improving the production yield of the LCD screen, and the shock-absorbing sponge 510 The setting can achieve the shock absorption effect on the LCD screen and protect it.

When in use, step 1: the liquid crystal display screen with a polarizer on one side is placed on the top of the receiving seat 420 through the holding device above the receiving seat 420; , the receiving seat 420 can absorb and hold the liquid crystal display screen; Step 3: While the driving assembly 400 slides back and forth, the fan 640 can be rotated, and the air of fine dust existing at the top of the transfer seat 500 can be extracted; Step 4: When the drive assembly 400 moves so that the tapered column 450 is attached to the inner wall of one side of the guide rail bar 320, the drive assembly 400 slides in the opposite direction at this time, and the liquid crystal display placed on the top of the receiving seat 420 can be turned over; Step 5: When the drive assembly When the 400 moves to the original position, the plurality of sets of suction cups 421 can release the liquid crystal display screen and make it fall to the top of the transfer seat 500 .

Although the embodiments of the present invention have been shown and described, this specific embodiment is only an explanation of the present invention, and it is not a limitation of the invention. The specific features, structures, materials or characteristics described can be in any one or more Combining the embodiments or examples in a suitable manner, those skilled in the art can make modifications and replacements without creative contributions to the embodiments as required without departing from the principle and purpose of the present invention after reading this specification and modifications, etc., but as long as they are within the scope of the claims of the present invention, they are all protected by the patent law.

Claims (10)

1. A liquid crystal display production line, comprising a production machine (100), is characterized in that: the top of the production machine (100) is fixed with a rear base (200), and the side wall of the rear base (200) is fixed There is a bottom sliding seat (210), and two sets of side frames (220) fixedly connected with the rear base (200) are arranged on the top of the bottom sliding seat (210), and two sets of side frames (220) slide between the two sets of side frames (220). U-shaped sliding frame (300), two sets of double-resisting blocks (310) are arranged inside the U-shaped sliding frame (300), and the inside of the U-shaped sliding frame (300) is fixed with a A guide rail (320), a drive assembly (400) slides on the top of the bottom slide (210); The side wall of the drive assembly (400) is rotated with a V-shaped block (410), and two sets of protrusions (411) are fixed on the side of the V-shaped block (410) away from the drive assembly (400). The end of the rotating block (410) is fixed with a rear rotating rod (430) extending to the other side of the driving assembly (400), and the rear rotating rod (430) is rotationally connected with the driving assembly (400), and the driving assembly (400) A side fixing rod (440) is fixed on the other side, and a return spring (431) rotates between the rear rotating rod (430) and the side fixing rod (440). 2. A liquid crystal display production line according to claim 1, characterized in that: two groups of said bumps (411) are arranged symmetrically about the vertical central axis of the V-shaped turning block (410), and said driving assembly (400 ) side wall is provided with a connecting hole matched with the rear rotating rod (430), the rear rotating rod (430) is U-shaped, and one end of the return spring (431) is fixed with the second rotating rod (430) A rotating rod, the other end of the return spring (431) is fixed with a second rotating rod that is rotatably connected to the side fixing rod (440). 3. A liquid crystal display production line according to claim 1, characterized in that: two groups of said double abutment blocks (310) are arranged symmetrically about the transverse central axis of the U-shaped sliding frame (300), and said double abutment blocks ( 310) the top is higher than the relative horizontal highest position of the projection (411), and the projection (411) will be blocked by the double block (310) during the sliding process of the drive assembly (400), and the rear rotating rod (430 ) near the end of the V-shaped turning block (410) and the transverse central axis of the arrow-shaped block (330) are at the same horizontal position. 4. A liquid crystal display production line according to claim 1, characterized in that: a piston cylinder (470) is fixed at the end of the rear rotating rod (430) away from the drive assembly (400), and the piston cylinder (470) A piston (452) slides on the inner wall, and one end of the piston (452) is fixed with a tapered column (450) extending to the outside, and the end of the piston cylinder (470) away from the rear rotating rod (430) is provided with a tapered column. (450) a matching movable groove, the inside of the tapered column (450) is sleeved with a rear support plate (460) slidingly connected to the rear base (200), and the rear support plate (460) is connected to the tapered column Fixed limit spring (451) between (450). 5. A liquid crystal display production line according to claim 4, characterized in that: a guide rail (320) is fixed on the top of the bottom slide (210), and the tapered column (450) slides on the guide rail ( 320) inside, the side wall of the guide rail bar (320) is provided with a guide groove that matches the tapered column (450), and the vertical central axis of the guide groove is provided with a guide groove that matches the outer wall of the tapered column (450). Rhombus guide groove. 6. A liquid crystal display production line according to claim 1, characterized in that: the end of the V-shaped turning block (410) close to the bump (411) is fixed with a receiving seat (420), and the receiving seat (420 ) with multiple groups of suction cups (421) fixed on the top, and the multiple groups of suction cups (421) are distributed in a rectangular array, and an air guide groove is arranged between the multiple groups of the suction cups (421) and the piston cylinder (470), and the receiving seat ( 420) two sets of rubber pads are fixed on one side of the suction cup (421) at the top, and the two sets of rubber pads are arranged symmetrically with respect to the vertical central axis of the receiving seat (420). 7. A liquid crystal display production line according to claim 1, characterized in that: the bottom end of the production machine (100) is fixed with a protective box (600), and the bottom end of the drive assembly (400) is fixed with an extension To the rack (610) inside the protective box (600), the inner wall of the protective box (600) rotates with a gear (620) meshed with the rack (610), and the end of the gear (620) is fixed with a shaft (630 ), the outer wall of the rotating shaft (630) is fixed with a fan (640), and the inner wall of the protective box (600) is fixed with an air duct (650) sleeved on the outer wall of the fan (640). 8. A liquid crystal display production line according to claim 7, characterized in that: the top of the production machine (100) is located on one side of the U-shaped sliding frame (300) and a transfer seat (500) is fixed, and the transfer The highest position of the seat (500) is lower than the lowest position of the receiving seat (420), the top of the transfer seat (500) is provided with a shock-absorbing sponge (510), and the side wall of the transfer seat (500) is provided with multiple groups of air inlets , and an air guide box is arranged between the air inlet and the air duct (650). 9. A liquid crystal display production line according to claim 1, characterized in that: the side wall of the rear base (200) is fixed with a top plate above the U-shaped sliding frame (300), and the U-shaped sliding frame ( 300) There is a pair of upper magnetic blocks (201) that are mutually adsorbed between the top and the top plate, and a pair of lower magnetic blocks that are mutually adsorbed is arranged between the bottom of the U-shaped sliding frame (300) and the top of the production machine (100). block (202). 10. A method for producing a liquid crystal display according to claim 1, using the liquid crystal display production line according to any one of claims 1-9, characterized in that: the specific method steps are as follows; Step 1: The liquid crystal display screen with a polarizer on one side is placed on the top of the receiving seat (420) through the holding device above the receiving seat (420); Step 2: start the drive assembly (400) to reciprocate and slide on the top of the bottom sliding seat (210), and at the same time, the receiving seat (420) can absorb and hold the liquid crystal display; Step 3: While the driving assembly (400) slides back and forth, the fan (640) can be rotated, and the air of the fine dust existing on the top of the transfer seat (500) can be extracted; Step 4: When the driving assembly (400) moves so that the tapered column (450) fits with the inner wall of one side of the guide rail (320), the driving assembly (400) slides in the opposite direction at this time, so that the receiving seat (420) The LCD display placed on the top is flipped; Step 5: When the drive assembly (400) moves to the original position, multiple sets of suction cups (421) can be used to loosen the liquid crystal display screen and make it fall to the top of the transfer seat (500).

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