Automatic film pasting device for LED display screen

Abstract

The utility model relates to an automatic film pasting device for an LED display screen, and relates to the field of film pasting equipment, the automatic film pasting device comprises a rack, a first bearing table used for bearing a pasting film, a second bearing table used for bearing the display screen, a film suction assembly and a film pressing assembly, and the rack is provided with a film placing position, a film suction position, a film pasting position and a film pressing position; the first bearing table is connected with a first moving part, and the first moving part is used for moving the first bearing table to the film placing position and the film absorbing position; the film suction assembly is connected with a second moving piece, and the second moving piece is used for moving the film suction assembly to the position above the film suction position and the position above the film pasting position. The second bearing table is connected with a third moving part, and the third moving part is used for moving the second bearing table to the film pasting position and the film pressing position; the film pressing assembly is located above the film pressing position. The method has the following effects that bubbles can be prevented from being generated during film pasting of the display screen as much as possible, so that the film pasting effect is improved.

Description

Technical Field

[0001] The present application relates to the field of film pasting equipment, and in particular to an automatic film pasting device for an LED display screen. Background Art

[0002] LED display is a display technology that uses light-emitting diodes (LEDs) as display elements. It has the characteristics of high brightness, high contrast and low energy consumption, and is widely used in various occasions, such as televisions, electronic signs, stage backgrounds, indoor and outdoor billboards, etc.

[0003] During the production process of LED display screens, films need to be applied to them to protect the surface of the LED display screen, improve the display effect or meet other special requirements. At present, the films of LED display screens are mostly applied manually, and the films need to be smoothed manually after application, which makes it easy for bubbles to form on the films, affecting the film application effect. Utility Model Content

[0004] In order to avoid bubbles when applying film to an LED display screen as much as possible and to improve the film application effect, the present application provides an automatic film application device for an LED display screen.

[0005] The present application provides an automatic film-sticking device for an LED display screen, which adopts the following technical solution:

[0006] An automatic film-sticking device for an LED display screen comprises a frame, a first bearing platform for bearing the film, a second bearing platform for bearing the display screen, a film suction component and a film pressing component, wherein the frame is provided with a film placing position, a film suction position, a film sticking position and a film pressing position;

[0007] The first carrying platform is connected to a first moving member, and the first moving member is used to move the first carrying platform to the film placing position and the film absorbing position;

[0008] The film suction assembly is connected to a second moving member, and the second moving member is used to move the film suction assembly to above the film suction position and above the film sticking position;

[0009] The second carrying platform is connected to a third moving member, and the third moving member is used to move the second carrying platform to the film pasting position and the film pressing position;

[0010] The film pressing assembly is located above the film pressing position.

[0011] By adopting the above technical scheme, the first movable member moves the first carrier to the film placing position, the staff places the film on the top of the first carrier, the third movable member moves the second carrier to the film pressing position, the staff places the display screen on the top of the second carrier, the first movable member moves the first carrier to the film absorbing position, the second movable member moves the film absorbing assembly to above the film absorbing position, the film absorbing assembly absorbs the film on the top of the first carrier, the third movable member moves the second carrier to the film pasting position, the second movable member moves the film absorbing assembly to above the film pasting position, the film absorbing assembly places the film on the surface of the display screen, the third movable member moves the second carrier to the film pressing position, the film pressing assembly presses the film on the surface of the display screen, which can avoid bubbles on the display screen when pasting the film to improve the film pasting effect.

[0012] Preferably, the film suction assembly includes a first cylinder and a suction plate, the suction plate is connected to a negative pressure source, the piston rod of the first cylinder is vertically arranged and the end is connected to the top of the suction plate, and the shell of the first cylinder is connected to the second moving part.

[0013] By adopting the above technical solution, the first cylinder can lift and lower the suction plate in the vertical direction, and the suction plate descends to the top of the first supporting platform. The suction plate can suck up the film through the negative pressure source. After the second movable part moves the first cylinder to above the display screen, the first cylinder lowers the suction plate to the top of the display screen, and the negative pressure source is shut down, so that the film can be placed on the surface of the display screen.

[0014] Preferably, the suction plate is provided with an inner cavity, a plurality of suction holes are opened at the bottom of the suction plate, each of the suction holes is connected to the inner cavity, and the negative pressure source is connected to the inner cavity.

[0015] By adopting the above technical solution, the negative pressure source sucks air into the inner cavity, and the bottom of the suction plate can suck up the film through the suction holes, so that the film can be moved to the top of the display screen through the second moving member.

[0016] Preferably, the negative pressure source includes a hose and a fan, one end of the hose is connected to the fan, and the other end of the hose is connected to the inner cavity.

[0017] By adopting the above technical solution, when the suction plate moves, the hose can bend and deform, and the fan can suck air into the inner cavity through the hose, so that the suction plate can absorb the film. When the fan is turned off, the film falls from the bottom of the suction plate, and the film is separated from the suction plate.

[0018] Preferably, the film pressing assembly includes a pressing plate and a second cylinder, the piston rod of the second cylinder is vertically arranged and the end is connected to the top of the pressing plate, the pressing plate is horizontally arranged, and the shell of the second cylinder is connected to the frame.

[0019] By adopting the above technical solution, the second cylinder can lift and lower the pressure plate in the vertical direction, and the pressure plate descends to the top of the display screen, so that the film can be pressed on the surface of the display screen. The film is evenly stressed when pressed, which can minimize the generation of bubbles between the film and the surface of the display screen, thereby improving the film sticking effect.

[0020] Preferably, a rubber layer is provided at the bottom of the pressing plate.

[0021] By adopting the above technical solution, the second cylinder lowers the pressure plate to achieve that when the film is pressed onto the surface of the display screen, the rubber layer contacts the film and plays a buffering role, thereby minimizing damage to the display screen when under pressure, thereby protecting the display screen when the film is applied.

[0022] Preferably, a placement groove and two clearance grooves are provided on the top of the second supporting platform, and the two clearance grooves are respectively located at two ends of the placement groove along the width direction and are both connected to the placement groove.

[0023] By adopting the above technical solution, the staff can place the display screen in the placement slot, thereby limiting the position of the display screen and improving the stability of the display screen when the film is applied. Through the yield slot, the staff can easily take the display screen out of the placement slot.

[0024] Preferably, a plurality of grooves are formed on the top of the first supporting platform, and the grooves are evenly distributed.

[0025] By adopting the above technical solution, after the film is placed on the top of the first supporting platform, it is possible to avoid the film being adsorbed on the top of the first supporting platform as much as possible, which makes it easier for the film suction component to absorb the film.

[0026] Preferably, the second movable member includes a screw rod, a guide rod and a slider, the length direction of the screw rod is consistent with the length direction of the guide rod, one end of the slider is threadedly sleeved on the screw rod, and the other end of the slider is slidably sleeved on the guide rod, one end of the screw rod is connected to a servo motor, and the housing of the first cylinder is connected to the bottom of the slider.

[0027] By adopting the above technical solution, the servo motor can drive the screw rod to rotate forward and reversely, and the rotation of the screw rod can drive the slider to move, and the slider can drive the first cylinder to move.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. The first moving part moves the first bearing platform to the film placing position, and the staff places the film on the top of the first bearing platform. The third moving part moves the second bearing platform to the film pressing position, and the staff places the display screen on the top of the second bearing platform. The first moving part moves the first bearing platform to the film absorbing position, and the second moving part moves the film absorbing component to the top of the film absorbing position. The film absorbing component sucks up the film on the top of the first bearing platform. The third moving part moves the second bearing platform to the film pasting position, and the second moving part moves the film absorbing component to the top of the film pasting position. The film absorbing component places the film on the surface of the display screen. The third moving part moves the second bearing platform to the film pressing position, and the film pressing component presses the film on the surface of the display screen, which can avoid bubbles when the display screen is pasted with film as much as possible, so as to improve the film pasting effect.

[0030] 2. The first cylinder can lift the suction plate in the vertical direction. The suction plate descends to the top of the first bearing platform. The suction plate can suck up the film through the negative pressure source. After the second moving part moves the first cylinder to the top of the display screen, the first cylinder descends the suction plate to the top of the display screen, and the negative pressure source is turned off, so that the film can be placed on the surface of the display screen;

[0031] 3. The second cylinder can lift the pressure plate in the vertical direction, and the pressure plate descends to the top of the display screen, so that the film can be pressed on the surface of the display screen. The film is evenly stressed when pressed, which can avoid bubbles between the film and the display screen surface as much as possible, and improve the film sticking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of an automatic film-sticking device for an LED display screen according to an embodiment of the present application.

[0033] Figure 2 It is a schematic diagram of the overall structure of an automatic film-sticking device for an LED display screen according to an embodiment of the present application, and is used to show the state in which the first carrier is located at the film-absorbing position and the second carrier is located at the film-sticking position.

[0034] Figure 3 It is a top view of an automatic film-sticking device for an LED display screen according to an embodiment of the present application.

[0035] Figure 4 It is a front view of an automatic film-sticking device for an LED display screen according to an embodiment of the present application.

[0036] Figure 5 It is a partial structural schematic diagram of an automatic film-sticking device for an LED display screen according to an embodiment of the present application, and is used to show the air suction holes.

[0037] Description of reference numerals:

[0038] 100, rack; 101, film placing position; 102, film absorbing position; 103, film pasting position; 104, film pressing position;

[0039] 200, first bearing platform; 201, first moving member; 202, groove;

[0040] 300, second loading platform; 301, third moving member; 302, placement slot; 303, yielding slot;

[0041] 400, film suction assembly; 401, second moving member; 402, first cylinder; 403, suction plate; 404, air suction hole;

[0042] 500, film pressing assembly; 501, pressing plate; 502, second cylinder; 503, rubber layer;

[0043] 600. Negative pressure source; 601. Hose; 602. Fan. DETAILED DESCRIPTION

[0044] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0045] The present application embodiment discloses an automatic film-sticking device for an LED display screen. Figure 1 and Figure 2 The automatic film-sticking device for an LED display screen includes a frame 100, and the frame 100 is provided with a first bearing platform 200, a second bearing platform 300 and a film pressing assembly 500. The first bearing platform 200 is used to carry the film, the second bearing platform 300 is used to carry the display screen, and the film pressing assembly 500 is used to press the film on the surface of the display screen, which can avoid bubbles from being generated when the display screen is being filmed, so as to improve the film sticking effect.

[0046] Reference Figure 1 , Figure 2 and Figure 3 The frame 100 is provided with a film placing position 101, a film sucking position 102, a film sticking position 103 and a film pressing position 104, and the film placing position 101, the film sucking position 102, the film sticking position 103 and the film pressing position 104 are distributed in a rectangular lattice.

[0047] The first carrier 200 is in a rectangular shape and is arranged horizontally. A plurality of grooves 202 are provided on the top of the first carrier 200, and the grooves 202 are evenly spaced. The first carrier 200 is connected with a first moving member 201, which is connected to the frame 100. The first moving member 201 adopts a cylinder and a piston rod is connected to one side of the first carrier 200. The first moving member 201 is used to drive the first carrier 200 to move. The first moving member 201 pushes the first carrier 200, and the first carrier 200 can be pushed from the film absorbing position 102 to the film placing position 101. The first moving member 201 pulls the first carrier 200, and the first carrier 200 can be pulled from the film placing position 101 to the film absorbing position 102.

[0048] The second loading platform 300 is in the shape of a rectangular parallelepiped and is arranged horizontally. The length direction of the second loading platform 300 is consistent with the length direction of the first loading platform 200. A placement groove 302 for accommodating a display screen is provided on the top of the second loading platform 300. The length direction of the placement groove 302 is consistent with the length direction of the second loading platform 300. Both side walls of the placement groove 302 along the width direction are provided with a clearance groove 303, and the top of the clearance groove 303 passes through the top of the second loading platform 300. The second carrier platform 300 is connected to a third movable member 301, which is connected to the frame 100. The third movable member 301 adopts a cylinder and the piston rod is connected to one side of the second carrier platform 300. The third movable member 301 is used to drive the second carrier platform 300 to move. The third movable member 301 pushes the second carrier platform 300, and can push the second carrier platform 300 from the film pasting position 103 to the film pressing position 104. The third movable member 301 pulls the second carrier platform 300, and can pull the second carrier platform 300 from the film pressing position 104 to the film pasting position 103.

[0049] Reference Figure 4 and Figure 5 The frame 100 is provided with a film suction assembly 400, which includes a first cylinder 402 and a suction plate 403. The first cylinder 402 is vertically arranged with a piston rod facing the bottom of the frame 100. The suction plate 403 is a rectangular plate and is horizontally arranged. The top of the suction plate 403 is connected to the end of the piston rod of the first cylinder 402. The suction plate 403 is provided with an inner cavity. The bottom of the suction plate 403 is provided with a plurality of suction holes 404, each of which is connected to the inner cavity, and each of which is evenly distributed. The inner cavity is connected to a negative pressure source 600, which includes a fan 602 and a hose 601. The fan 602 is connected to the side wall of the shell of the first cylinder 402, one end of the hose 601 is connected to the fan 602, and the other end of the hose 601 is connected to the inner cavity.

[0050] A second moving member 401 is disposed on the top of the frame 100. The second moving member 401 includes a screw rod, a guide rod and a slider. The length direction of the screw rod is consistent with the length direction of the guide rod. One end of the slider is threadedly sleeved on the screw rod, and the other end of the slider is slidably sleeved on the guide rod. One end of the screw rod is connected to a servo motor, and the housing of the first cylinder 402 is connected to the bottom of the slider. The servo motor drives the screw rod to rotate forward and reverse to drive the slider to reciprocate. The slider drives the suction plate 403 to move through the first cylinder 402 so that the suction plate 403 can be switched between above the film suction position 102 and above the film pasting position 103.

[0051] Reference Figure 1 and Figure 4The film pressing assembly 500 is arranged on the top of the frame 100, and the film pressing assembly 500 includes a second cylinder 502 and a pressure plate 501. The second cylinder 502 is vertically arranged and the piston rod is toward the bottom of the frame 100. The shell of the second cylinder 502 is connected to the top of the frame 100. The pressure plate 501 is a rectangular plate and is horizontally arranged. The pressure plate 501 is located above the film pressing position 104. The length direction of the pressure plate 501 is consistent with the length direction of the second supporting platform 300. The top of the pressure plate 501 is connected to the end of the piston rod of the second cylinder 502, and a rubber layer 503 is arranged at the bottom of the pressure plate 501.

[0052] The implementation principle of the automatic film pasting device for an LED display screen in the embodiment of the present application is as follows: when the first carrier 200 is located at the film placing position 101, the second carrier 300 is located at the film pressing position 104, and the suction plate 403 is located above the film suction position 102, the staff will place the film horizontally on the top of the first carrier 200, and after the display screen is placed horizontally in the placement groove 302, the first moving member 201 moves the first carrier 200 to the film suction position 102, the first cylinder 402 lowers the suction plate 403, and the suction plate 403 sucks the film through the fan 602. Start to stick the film, the second moving part 401 moves the suction plate 403 to above the film sticking position 103, the third moving part 301 moves the second supporting platform 300 to the film sticking position 103, the first cylinder 402 lowers the suction plate 403, and the film is placed on the top surface of the display screen, the third moving part 301 moves the second supporting platform 300 to the film pressing position 104, the second cylinder 502 lowers the pressing plate 501, the pressing plate 501 presses the film, the second cylinder 502 raises the pressing plate 501, and the staff takes the display screen with the film stuck on it out of the placement slot 302.

[0053] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic film-sticking device for LED display screen, characterized in that: The device comprises a frame (100), a first bearing platform (200) for bearing a film, a second bearing platform (300) for bearing a display screen, a film suction component (400) and a film pressing component (500), wherein the frame (100) is provided with a film placing position (101), a film suction position (102), a film sticking position (103) and a film pressing position (104); The first carrying platform (200) is connected to a first moving member (201), and the first moving member (201) is used to move the first carrying platform (200) to the film placing position (101) and the film absorbing position (102); The film absorbing assembly (400) is connected to a second moving member (401), and the second moving member (401) is used to move the film absorbing assembly (400) to above the film absorbing position (102) and above the film sticking position (103); The second carrying platform (300) is connected to a third moving member (301), and the third moving member (301) is used to move the second carrying platform (300) to the film pasting position (103) and the film pressing position (104); The film pressing assembly (500) is located above the film pressing position (104).

2. The automatic film-sticking device for LED display screen according to claim 1 is characterized in that: The film suction assembly (400) comprises a first cylinder (402) and a suction plate (403); the suction plate (403) is connected to a negative pressure source (600); the piston rod of the first cylinder (402) is vertically arranged and the end thereof is connected to the top of the suction plate (403); the shell of the first cylinder (402) is connected to the second movable member (401).

3. The automatic film-sticking device for LED display screen according to claim 2 is characterized in that: The suction plate (403) is provided with an inner cavity, and a plurality of air suction holes (404) are provided at the bottom of the suction plate (403), each of the air suction holes (404) is connected to the inner cavity, and the negative pressure source (600) is connected to the inner cavity.

4. The automatic film-sticking device for LED display screen according to claim 3 is characterized in that: The negative pressure source (600) comprises a hose (601) and a fan (602); one end of the hose (601) is connected to the fan (602), and the other end of the hose (601) is connected to the inner cavity.

5. The automatic film-sticking device for LED display screen according to claim 1 is characterized in that: The film pressing assembly (500) comprises a pressing plate (501) and a second cylinder (502), wherein the piston rod of the second cylinder (502) is vertically arranged and the end thereof is connected to the top of the pressing plate (501), the pressing plate (501) is horizontally arranged, and the shell of the second cylinder (502) is connected to the frame (100).

6. The automatic film-sticking device for LED display screen according to claim 5 is characterized in that: A rubber layer (503) is provided at the bottom of the pressing plate (501).

7. The automatic film-sticking device for LED display screen according to claim 1 is characterized in that: A placement groove (302) and two clearance grooves (303) are provided on the top of the second supporting platform (300); the two clearance grooves (303) are respectively located at two ends of the placement groove (302) along the width direction and are both connected to the placement groove (302).

8. The automatic film-sticking device for LED display screen according to claim 1 is characterized in that: A plurality of grooves (202) are provided on the top of the first supporting platform (200), and the grooves (202) are evenly distributed.

9. The automatic film-sticking device for LED display screen according to claim 2, characterized in that: The second moving member (401) comprises a screw rod, a guide rod and a slider. The length direction of the screw rod is consistent with the length direction of the guide rod. One end of the slider is threadedly sleeved on the screw rod, and the other end of the slider is slidably sleeved on the guide rod. One end of the screw rod is connected to a servo motor. The housing of the first cylinder (402) is connected to the bottom of the slider.

Images