CN213767642U - Feeding device of backlight laminator - Google Patents

Abstract

The application relates to the technical field of backlight source film sticking machines, in particular to a feeding device of a backlight source film sticking machine, which comprises a bearing table, wherein the bearing table is fixedly arranged on a side plate, an unwinding roller and a winding roller are respectively and rotatably arranged on the side plate, the axis of the winding roller is parallel to the axis of the unwinding roller, a material taking table is fixedly arranged on the bearing table, a film stripping assembly for stripping a film sheet is arranged on the bearing table, the film stripping assembly comprises a guide plate and a film stripping plate, two film stripping knives, the one end of guide board is fixed to be set up in the curb plate, the guide board level sets up, film stripping plate is located the below of guide board, film stripping knife is fixed to be set up in film stripping plate and keeps away from the border of unreeling the roller, two film stripping knives are certain interval setting along the length direction of film stripping plate, film stripping knife has the guide face, the guide face has hunch portion, hunch portion is kept away from film stripping plate, one side that film stripping knife kept away from film stripping plate is close to and gets the material platform. This application has the condition that reduces the diaphragm and drops to the interval between blowing platform and the skinning knife.

Description

Feeding device of backlight laminator

Technical Field

The application relates to the technical field of backlight sticking film machines, in particular to a feeding device of a backlight sticking film machine.

Background

The backlight source is a module which is positioned at the back of the liquid crystal display and provides light source for the liquid crystal display, and the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module. The current backlight module mainly uses a diffusion film, a brightness enhancement film, a shading film and the like in a matching way to achieve the purpose of uniform and concentrated light. At present, a backlight laminator is generally used to attach films such as a diffusion film, a brightness enhancement film, and a light shielding film to a backlight module.

In the related art, a film sticking machine comprises a dust removal device, a feeding device, a grabbing device, a conveying device and a film sticking device, wherein a backlight source is firstly conveyed to the dust removal device by the conveying device for dust removal treatment, and the backlight source after dust removal treatment is conveyed to the film sticking device; the feeding device peels the raw material membrane to obtain the membrane, and the raw material membrane comprises a bottom membrane and a membrane. The film is moved to a film sticking device by a grabbing device after being peeled; and secondly, the film is attached to the backlight source by the film attaching device. Specifically, loading attachment is including being used for unreeling the unreeling roller of raw materials film, the wind-up roll of rolling raw materials film, peeling off the membrane sword of diaphragm and getting the material platform, gets material platform and peeling off membrane sword interval setting, and gets the below that the material platform is located peeling off the membrane sword. The raw material membrane is unreeled by the unreeling roller, is peeled off by the membrane peeling knife, and after being peeled off by the membrane peeling knife, the membrane slides forwards to the material taking platform due to inertia, and the basement membrane is reeled by the reeling roller.

After the diaphragm is peeled by the stripping knife, the diaphragm can continuously slide forwards due to inertia, and the peeled diaphragm can fall off from the interval between the material taking table and the stripping knife with a certain probability due to the certain interval between the material taking table and the stripping knife.

SUMMERY OF THE UTILITY MODEL

In order to reduce the diaphragm from getting the condition that the interval between material platform and the skinning knife dropped, this application provides a loading attachment of sticking film machine.

The application provides a loading attachment of backlight sticking film machine adopts following technical scheme:

a feeding device of a backlight source film sticking machine comprises a bearing table, wherein a side plate is fixedly arranged on the bearing table, the side plate is perpendicular to the bearing table, an unwinding roller and a winding roller are respectively arranged on the side plate in a rotating mode, the axis of the winding roller is parallel to the axis of the unwinding roller, a material taking table is fixedly arranged on the bearing table, a film stripping assembly used for stripping a film sheet is arranged on the bearing table and comprises a guide plate, a film stripping plate and two film stripping knives, one end of the guide plate is fixedly arranged on the side plate, the guide plate is horizontally arranged, the film stripping plate is located below the guide plate, the film stripping knives are fixedly arranged on the edge of the film stripping plate far away from the unwinding roller, the two film stripping knives are arranged at intervals along the length direction of the film stripping plate, the film stripping knives are provided with guide surfaces, and the guide surfaces are provided with inclined planes, the inclined surface inclines upwards towards the direction close to the material taking table.

Through adopting above-mentioned technical scheme, the raw materials film unreels the back by unreeling the roller, through the guide board guide to shelling the membrane sword, shells the membrane sword and peels off the diaphragm to the raw materials diaphragm, and after the diaphragm was peeled off, through the guide face guide and because inertia slides forward, when the diaphragm through the inclined plane of guide face, the inclined plane can make the orbit slope of sliding of raw materials diaphragm upwards to make and reduce the raw materials diaphragm and fall into to shell the membrane sword and get the spaced condition between the material platform.

Preferably, a guide roller is arranged on the side plate, one end of the guide roller is fixedly arranged on the side plate, and the axis of the guide roller is parallel to the axis of the unwinding roller.

Through adopting above-mentioned technical scheme, the raw materials diaphragm is unreeled the back by unreeling the roller, and the basement membrane of raw materials diaphragm supports and presses in the guide roller, and the guide roller pulls raw materials diaphragm to guide board and provides the tensile force to the raw materials diaphragm to increase raw materials diaphragm and unreel the frictional force between the roller, frictional force between basement membrane and the wind-up roll reduces relative slip between raw materials diaphragm and the wind-up roll, and relative slip between basement membrane and the wind-up roll. So that unreel the roller and can stably unreel the raw materials diaphragm, the wind-up roll can be to the stable rolling of raw materials diaphragm.

Preferably, be provided with the subassembly that snatchs that is used for snatching the diaphragm on the plummer, snatch the subassembly and include base, vertical cylinder and a plurality of sucking disc, the base slide set up in base, a plurality of the sucking disc all fixed set up in one side of base, it is a plurality of sucking disc evenly distributed in the base, the piston rod of vertical cylinder fixed set up in the base is kept away from one side of sucking disc, the sucking disc is provided with and is used for the drive the sucking disc adsorbs the driving piece of diaphragm.

Through adopting above-mentioned technical scheme, when snatching the diaphragm, vertical cylinder drives the base and removes along vertical direction, and the sucking disc on the base supports when pressing in the diaphragm, sets up and produces the adsorption affinity to the diaphragm in a plurality of sucking discs of base under the drive of driving piece to make the diaphragm adsorb in the sucking disc.

Preferably, a plurality of grooves are formed in the material taking platform, the grooves are formed in the width direction of the material taking platform, the grooves are distributed at equal intervals in the length direction of the material taking platform, the material discharging platform is horizontally placed on the bearing platform, and the material discharging platform and the material taking platform are arranged at intervals in the length direction of the bearing platform.

Through adopting above-mentioned technical scheme, get the material platform and be used for holding the diaphragm, the diaphragm holds when getting the material platform, and there is the clearance between diaphragm and the material platform of getting, reduces the diaphragm and gets the area of contact of material bench surface to reduce the diaphragm and get the adsorption affinity of material bench surface, make and snatch the subassembly and easily snatch the diaphragm.

Preferably, the guide plate has a traction surface, the guide surface is inclined downward toward the direction close to the material taking table, and the peeling knife has a peeling edge located at the edge of the peeling knife close to the traction surface.

Through adopting above-mentioned technical scheme, the raw materials diaphragm unreels the back by unreeling the roller, around locating the guide board after the guide roller guide to the basement membrane of raw materials diaphragm supports and presses in the guide face, and the one side butt that the raw materials diaphragm has the diaphragm is in the sword of peeling off of skinning the membrane sword, and when the raw materials diaphragm was pulled by the wind-up roll and is advanced, so that the diaphragm of raw materials diaphragm was peeled off to getting the material platform by the sword of peeling off of skinning the membrane sword.

Preferably, the curb plate is provided with the gag lever post, the one end of gag lever post is fixed in the curb plate, the axis of gag lever post is on a parallel with the axis of unreeling roller, the coaxial two spacing wheels that are provided with on the gag lever post, two the spacing wheel is followed gag lever post length direction interval sets up.

Through adopting above-mentioned technical scheme, the gag lever post coaxial fixation has two spacing wheels, and the raw materials diaphragm is around locating the gag lever post and being located between two spacing wheels, and two spacing wheels are spacing to the raw materials diaphragm, prevent that the raw materials diaphragm from taking place the skew in the length direction of gag lever post.

Preferably, the bearing platform is provided with a driving component for driving the grabbing component to move along the length direction and the width direction of the bearing platform, the driving component comprises a first air cylinder, a second air cylinder, a first sliding frame and a second sliding frame, the first sliding frame is arranged on the bearing table in a sliding manner, the vertical cylinder is fixedly arranged on the second sliding frame, the second sliding frame is in sliding fit with the first sliding frame and slides along the width direction of the bearing table, the piston rod of the first cylinder is fixedly arranged on the first sliding frame, the axis of the piston rod of the first cylinder is parallel to the length direction of the bearing table, the second air cylinder is fixedly arranged on the first sliding frame, a piston rod of the second air cylinder is fixedly arranged on the second sliding frame, and the axis of the piston rod of the second air cylinder is parallel to the width direction of the bearing table.

Through adopting above-mentioned technical scheme, when needs will get two diaphragms on the material platform and remove to the blowing platform, vertical cylinder drives the base downstream, so that the sucking disc on the base can conflict and adsorb the diaphragm, the second cylinder drives the second and slides the frame and remove along the length direction who is the plummer, so that the messenger snatchs the subassembly and can remove to the blowing platform, snatch the subassembly this moment and place the diaphragm in the blowing platform, when needs snatch another diaphragm, the second cylinder drive second slides the frame and removes along the width direction of plummer, thereby the messenger snatchs the subassembly and can remove to another diaphragm department, in order to realize the snatching to another diaphragm.

Preferably, be provided with on the curb plate and be used for the drive wind-up roll pivoted power component, power component includes driving motor, driving gear, driven gear and chain, driving motor fixed set up in the curb plate, the coaxial cover of driving gear is located driving motor's output shaft, the coaxial driving shaft that has set firmly on the wind-up roll, the coaxial setting of driving shaft in driving motor's output shaft, the coaxial cover of driving gear is located driving motor, the coaxial driven shaft that has set firmly on the unreeling roll, the coaxial cover of driven gear is located the driven shaft, the chain around locating the driving gear with driven gear.

Through adopting above-mentioned technical scheme, driving motor drive driving gear is rotatory to drive the wind-up roll and rotate, the driving gear passes through the chain simultaneously with power transmission in driven gear, driven gear can drive the unwinding roller and rotate, thereby the unwinding roller can rotate simultaneously with the wind-up roll, so that the follow unwinding roller that the raw materials diaphragm can be stable unreels and can stabilize the rolling by the wind-up roll, the atress of raw materials diaphragm is more balanced in order to prevent the fracture.

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

1. the raw material film is unreeled by the unreeling roller and guided to the film stripping knife through the guide plate, the film stripping knife strips the film from the raw material film, after the film is stripped, the film slides forwards due to inertia, when the film passes through the arched part of the guide surface, the arched part can enable the sliding track of the raw material film to incline upwards so as to reduce the interval between the raw material film falling into the film stripping knife and the material taking platform;

2. when the grabbing component grabs the membrane on the discharging table, the driving component can control the grabbing component to move along the length direction and the width direction of the bearing table, so that the grabbing component grabs and moves the membrane to the discharging table from the material fetching table.

Drawings

Fig. 1 is a schematic view of an overall structure of a feeding device of a backlight laminator.

Fig. 2 is a schematic view of a matching relationship between a driving assembly and a carrier table after the carrier table is cut open in the present application.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1 in the present application.

Description of reference numerals: 1. a bearing table; 2. a side plate; 3. unwinding rollers; 4. a wind-up roll; 5. a drive motor; 6. a driving gear; 7. a driven gear; 8. a chain; 9. a drive shaft; 10. a driven shaft; 11. a guide roller; 12. a limiting rod; 13. a limiting wheel; 14. a guide plate; 141. a traction surface; 15. stripping the membrane plate; 16. stripping the film; 161. a guide surface; 1611. an inclined surface; 162. peeling off the blade; 17. a material taking table; 171. a groove; 18. a discharge table; 19. a vertical cylinder; 20. a suction cup; 21. a base; 211. a connecting portion; 212. an extension portion; 23. a first cylinder; 24. a second cylinder; 25. a first sliding frame; 251. a first sliding groove; 252. a second limit boss; 26. a second sliding frame; 261. a second sliding groove; 27. a carrier plate; 28. a supporting seat; 281. first spacing boss.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses loading attachment of backlight sticking film machine. Referring to fig. 1, the device comprises a bearing platform 1 and a side plate 2, wherein the side plate 2 is fixedly installed on the bearing platform 1 and is perpendicular to the bearing platform 1.

And a winding assembly for winding and unwinding the raw material membrane and winding the bottom membrane is arranged on the side plate. Specifically, the winding assembly comprises a cylindrical-like unwinding roller 3 and a cylindrical-like winding roller 4 which are rotatably mounted on the side plates 2. Unreel roller 3 and wind-up roll 4 and all rotate and install in curb plate 2, the axis of unreeling roller 3 is on a parallel with the axis of wind-up roll 4. The wind-up roll 4 is positioned below the unreeling roll 3.

And a power assembly for driving the winding roller 4 to rotate is mounted on the side plate 2. Specifically, referring to fig. 2, the power assembly includes a driving motor 5, a driving gear 6, a driven gear 7, and a chain 8. The bearing plate 27 is fixedly installed on the side plate 2, the driving motor 5 is fixedly installed on the bearing plate 27, the axis of the output shaft of the driving motor 5 is perpendicular to the plane where the side plate 2 is located, the driving gear 6 is coaxially sleeved on the output shaft of the driving motor 5, the winding roller 4 is coaxially fixed with the driving shaft 9, one end, away from the winding roller 4, of the driving shaft 9 is coaxially fixedly installed on the output shaft of the driving motor 5, and the driving gear 6 is coaxially sleeved on the output shaft of the driving motor 5. The unwinding roller 3 is coaxially and fixedly provided with a driven shaft 10, the axis of the driven shaft 10 is parallel to the axis of the driving shaft 9, and the driven shaft 10 and the driving shaft 9 are arranged at intervals along the direction vertical to the axis of the driving shaft 9. The driven gear 7 is coaxially sleeved on the driven shaft 10, and the driven gear 7 is located at one end, close to the driving gear 6, of the driven shaft 10.

Referring to fig. 1, a guide member for guiding the raw material film is attached to the side plate 2. Specifically, the guiding part comprises a cylindrical guiding roller 11 fixedly mounted on the side plate 2, the guiding roller 11 is located below the unwinding roller 3, one end of the guiding roller 11 is fixedly connected to the side plate 2, and the other end of the guiding roller 11 is arranged in a suspended mode. The axis of the guide roller 11 is parallel to the axis of the unwinding roller 3.

Referring to fig. 1, a side plate 2 is provided with a limit assembly for limiting a raw material film. Specifically, the limiting assembly comprises a limiting rod 12 and two limiting wheels 13, wherein the limiting rod 12 and the two limiting wheels 13 are installed on the side plate 2, the limiting rod 12 is located below the guide roller 11, and the axis of the limiting rod 12 is parallel to the axis of the guide roller 11. One end of the limiting rod 12 is fixedly connected to the side plate 2, and the other end of the limiting rod 12 is arranged in a suspended mode. Two spacing wheels 13 are coaxially fixed in gag lever post 12, and two spacing wheels 13 are the interval setting along gag lever post 12 length direction.

Referring to fig. 1 and 3, a membrane peeling assembly for peeling off membrane sheets is mounted on the platform 1, and the membrane peeling assembly includes a quasi-rectangular parallelepiped guide plate 14, a quasi-rectangular parallelepiped membrane peeling plate 15, and two membrane peeling knives 16. The guide plate 14 is located the top of stripping piece, and the one end fixed connection of guide plate 14 is in curb plate 2, and the other end of guide plate 14 is unsettled to be set up. The guide plate 14 has a drawing surface 141, and the guide surface 141 of the guide plate 14 is provided to be inclined downward toward the pickup base 17. One end of the film stripping plate 15 is fixedly connected to the side plate 2, and the other end of the film stripping plate 15 is suspended. Two stripping knives 16 are fixedly connected to the edge of the stripping plate 15 far from the unwinding roller 3. The two peeling knives 16 are spaced apart from each other in the longitudinal direction of the peeling plate 15, the peeling knives 16 have guide surfaces 161, the guide surfaces 161 have inclined surfaces 1611, and the guide surfaces 1611 are inclined downward toward the material taking table 17. The guide plate 14 has a drawing surface 141, the guide surface 141 is inclined downward toward the material taking table 17, the stripping knife 16 has a stripping edge 162, and the stripping edge 162 is located at the edge of the stripping knife 16 close to the drawing surface 141.

Referring to fig. 1, a rectangular material taking table 17 is further horizontally mounted on the bearing table 1, the material taking table 17 is located below the stripping plate, a plurality of grooves 171 are formed in the material taking table 17, the grooves 171 are formed in the width direction of the material taking table 17, and the grooves 171 are distributed at equal intervals in the length direction of the material taking table 17. A rectangular discharging platform 18 is horizontally arranged on the bearing platform 1, and the discharging platform 18 is positioned on one side of the material taking platform 17 far away from the guide plate 14. The upper surface of the discharge table 18 is located on a lower level than the upper surface of the guide plate 14. The upper surface of the material placing table 18 and the upper surface of the material taking table 17 are located in the same horizontal plane.

Referring to fig. 1, a grabbing assembly for grabbing the membrane is mounted on the bearing table 1, and the grabbing assembly is located right above the material taking table 17. The grabbing assembly comprises a base 21 in a shape of a circular disc, a vertical cylinder 19 and a plurality of suckers 20, the base 21 comprises a connecting portion 211 in a shape of a circular disc and four extending portions 212 in a shape of a rectangular parallelepiped, the four extending portions 212 are evenly distributed along the circumferential direction of the connecting portion 211, the edge of the connecting portion 211 is fixed by one end of each extending portion 212, and the other end of each extending portion 212 is arranged in a suspending mode. The plurality of suckers 20 are fixedly arranged on one side of the base 21, and the suckers 20 are uniformly distributed on the base 21. One side of the base 21 far away from the suction cup 20 is fixedly connected to a piston rod of the vertical cylinder 19, and the piston rod of the vertical cylinder 19 faces downwards vertically. The driving piece can be a power doubling cylinder, the power doubling cylinder provides adsorption force for the sucker 20, and the power doubling cylinder is fixedly installed on one side, far away from the sucker 20, of the base 21. In addition, a group of grabbing components are further installed above the discharging table 18, and the group of grabbing components are located right above the discharging table 18 and used for moving the membrane to the membrane sticking device.

Referring to fig. 1, install on the plummer 1 and be used for the drive to snatch the drive assembly that the subassembly removed along the length direction and the width direction of plummer 1, drive assembly includes first cylinder 23, second cylinder 24, the first frame 25 that slides of "H" shape and the second frame 26 that slides of "H" shape, install supporting seat 28 on the plummer 1, the first spacing boss 281 of fixedly connected with on the supporting seat 28, set up on the first frame 25 that slides and slide the first groove 251 that slides of complex with first spacing boss 281, first frame 25 that slides along the length direction of plummer 1. The piston rod of the first cylinder 23 is fixedly connected to the first sliding frame 25, and the axis of the piston rod of the first cylinder 23 is parallel to the length direction of the bearing table 1. The second cylinder 24 is fixedly installed on the first sliding frame 25, a piston rod of the second cylinder 24 is fixedly connected to the second sliding frame 26, an axis of the piston rod of the second cylinder 24 is parallel to the width direction of the bearing table 1, the second sliding frame 26 is provided with a second sliding groove 261, the first sliding frame 25 is fixedly connected with a second limiting boss 252 matched with the second sliding groove 261 in a sliding manner, and the second sliding frame 26 slides along the width direction of the bearing table 1.

The implementation principle of the feeding device of the backlight laminator is as follows: in order to reduce the interval between the falling material taking table 17 and the peeling knife 16 after the membrane is peeled by the peeling knife 16, the guide surface 161 of the peeling knife 16 is provided with an inclined surface, the membrane can slide forwards due to inertia after being peeled by the peeling knife 16, the inclined surface of the peeling knife 16 can change the sliding track of the membrane, the sliding direction of the membrane is inclined upwards, and the condition that the membrane falls to the interval between the peeling knife 16 and the material taking table 17 is reduced.

When two membranes on the material taking table 17 need to be moved to the material discharging table 18, the vertical cylinder 19 drives the base 21 to vertically move downwards, so that the suction cup 20 of the base 21 can be pressed against the upper surface of the membrane. At this time, the force-multiplying cylinder drives the suction cup 20 to adsorb the membrane, and after the membrane is adsorbed, the first cylinder 23 drives the first sliding frame 25 to slide along the length direction of the bearing table 1, so that the grabbing component moves to the discharging table 18. The film is now placed by the gripper assembly on the discharge station 18. The diaphragm is provided with two along the width direction interval of plummer 1, and second cylinder 24 drives second slip frame 26 and slides along the width direction of plummer 1 to make the subassembly of snatching can snatch another diaphragm.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a loading attachment of backlight sticking film machine, includes plummer (1), fixed curb plate (2) that are provided with on plummer (1), curb plate (2) perpendicular to plummer (1), it is provided with unwinding roller (3) and wind-up roll (4) to rotate respectively on curb plate (2), the axis of wind-up roll (4) is on a parallel with the axis of unwinding roller (3), fixed being provided with on plummer (1) gets material platform (17), its characterized in that: be provided with the membrane module of shelling that is used for peeling off the diaphragm on plummer (1), it includes guide plate (14), shelling board (15), two membrane knives (16) to shell the membrane module, the one end of guide plate (14) is fixed set up in curb plate (2), guide plate (14) level sets up, it is located to shell board (15) the below of guide plate (14), shell membrane knife (16) fixed set up in it keeps away from to shell board (15) unreel the border of roller (3), two membrane knives (16) are the interval setting along the length direction of shelling board (15), it has guide face (161) to shell membrane knife (16), guide face (161) have inclined plane (1611), inclined plane (1611) is to the direction tilt up that is close to material taking platform (17).

2. The feeding device of the backlight laminator according to claim 1, wherein: the unwinding device is characterized in that a guide roller (11) is arranged on the side plate (2), one end of the guide roller (11) is fixedly arranged on the side plate (2), and the axis of the guide roller (11) is parallel to the axis of the unwinding roller (3).

3. The feeding device of the backlight laminator according to claim 1, wherein: be provided with the subassembly that snatchs that is used for snatching the diaphragm on plummer (1), it includes base (21), vertical cylinder (19) and a plurality of sucking disc (20) to snatch the subassembly, base (21) slide set up in plummer (1), a plurality of sucking disc (20) all fixed set up in the one side of base (21), it is a plurality of sucking disc (20) evenly distributed in base (21), the piston rod of vertical cylinder (19) fixed set up in base (21) is kept away from one side of sucking disc (20), sucking disc (20) are provided with and are used for the drive sucking disc (20) adsorb the driving piece of diaphragm.

4. The feeding device of the backlight laminator according to claim 1, wherein: get and seted up a plurality of recess (171) on material platform (17), recess (171) are followed the width direction who gets material platform (17) is seted up, blowing platform (18) have been placed to plummer (1) upper level, blowing platform (18) with it follows to get material platform (17) the length direction of plummer (1) is the interval setting.

5. The feeding device of the backlight laminator according to claim 2, wherein: the guide plate (14) is provided with a traction surface (141), the guide surface (161) is inclined downwards towards the direction close to the material taking table (17), the stripping knife (16) is provided with a stripping edge (163), and the stripping edge (163) is positioned at the edge of the stripping knife (16) close to the traction surface (141).

6. The feeding device of the backlight laminator according to claim 1, wherein: be provided with gag lever post (12) on curb plate (2), the one end of gag lever post (12) is fixed in curb plate (2), the axis of gag lever post (12) is on a parallel with the axis of unreeling roller (3), the coaxial two spacing wheels (13) that are provided with on gag lever post (12), two spacing wheel (13) are followed gag lever post (12) length direction interval sets up.

7. The feeding device of the backlight laminator according to claim 3, wherein: the carrying table (1) is provided with a driving assembly for driving the grabbing assembly to move along the length direction and the width direction of the carrying table (1), the driving assembly comprises a first air cylinder (23), a second air cylinder (24), a first sliding frame (25) and a second sliding frame (26), the first sliding frame (25) is arranged on the carrying table (1) in a sliding mode, the second sliding frame (26) is matched with the first sliding frame (25) in a sliding mode, the second sliding frame (26) slides along the width direction of the carrying table (1), the vertical air cylinder (19) is fixedly arranged on the second sliding frame (26), a piston rod of the first air cylinder (23) is fixedly arranged on the first sliding frame (25), the axis of the piston rod of the first air cylinder (23) is parallel to the length direction of the carrying table (1), the second air cylinder (24) is fixedly arranged on the first sliding frame (25), and a piston rod of the second air cylinder (24) is fixedly arranged on the second sliding frame (26), and the axis of the piston rod of the second air cylinder (24) is parallel to the width direction of the bearing table (1).

8. The feeding device of the backlight laminator according to claim 1, wherein: the side plate (2) is provided with a power assembly for driving the wind-up roll (4) to rotate, the power assembly comprises a driving motor (5), a driving gear (6), a driven gear (7) and a chain (8), the driving motor (5) is fixedly arranged on the side plate (2), the driving gear (6) is coaxially sleeved on an output shaft of the driving motor (5), a driving shaft (9) is coaxially and fixedly arranged on the winding roller (4), the driving shaft (9) is coaxially and fixedly arranged on an output shaft of the driving motor (5), the driving gear (6) is coaxially sleeved on the driving motor (5), the unwinding roller (3) is coaxially and fixedly provided with a driven shaft (10), driven gear (7) coaxial cover is located driven shaft (10), chain (8) are around locating driving gear (6) with driven gear (7).

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