CN220221459U

CN220221459U - Film tearing device for backlight of mobile phone display screen

Info

Publication number: CN220221459U
Application number: CN202321843080.8U
Authority: CN
Inventors: 韩亮; 程胤富; 程强
Original assignee: Sichuan Huajing Photoelectric Technology Co ltd
Current assignee: Sichuan Huajing Photoelectric Technology Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2023-12-22
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses the field of backlight film processing, and belongs to a mobile phone display screen backlight film tearing device. The top of one side of keeping away from receiving mechanism in the middle of two backup pads rotates and sets up rotatory bucket, and rotatory bucket is last to fixedly set up a plurality of bracing piece, and every bracing piece upper end is all fixed to set up the sucking disc. And each supporting plate is provided with a transmission mechanism, a driving mechanism is arranged between the transmission mechanism and the rotary barrel, and the driving mechanism is matched with the transmission mechanism to drive the rotary barrel to move. The first rotating plate is arranged between the two supporting plates in a rotating way, the fixed ring is fixedly arranged on the rotating table, and the backlight assembly body is arranged in the fixed ring. The rotary barrel is rotated through the engagement of the second gear and the worm, so that the sucking disc on the rotary barrel adsorbs the protective film on the backlight assembly body, the rotary barrel moves forwards through the cooperation of the first gear and the rack, and the protective film on the backlight assembly body is completely separated.

Description

Film tearing device for backlight of mobile phone display screen

Technical Field

The utility model belongs to the field of backlight film processing, and relates to a backlight film tearing device for a mobile phone display screen.

Background

LCD displays typically employ LED backlights. The LED backlight unit consists of a glue frame, a light guide plate, an FPC, a diffusion film, a light enhancement film, a shading film and the like. In the entire production process, there is an important process of peeling off the protective films attached to the front and back surfaces of the film sheet of the backlight unit. In the prior art, a backlight film roll material is cut into required units, and then a worker is used for manually uncovering films, so that the labor cost is high, and meanwhile, the backlight film is easy to be polluted and damaged in the film uncovering process, so that the quality of products is affected.

The utility model discloses a structure is torn to membrane in a poor light in prior art is CN 108328037A's patent document relates to the membrane processing field in a poor light, including bottom plate, fixed column and clamp plate be equipped with a horizontal logical groove and a vertical logical groove on the bottom plate surface, the clamp plate both ends respectively through the fixed column with horizontal logical groove with vertical logical groove fixed connection, the clamp plate is flat plate structure, the clamp plate is toward the bottom plate direction slope, the low level of clamp plate with have the clearance that allows the membrane in a poor light to pass through between the bottom plate. The pressing plate is arranged at an angle, a product to be torn from one side of the bottom plate passes through the bottom plate, and the backlight mould is easy to tear off and is not easy to fracture the product through the inclined pressing plate. Because the protective film and the backlight assembly have certain viscosity, the backlight assembly can be sucked up by the protective film in the process of tearing the film in the prior art, so that the backlight assembly is contacted with the pressing plate, and certain damage is generated to the backlight assembly.

The utility model discloses a backlight source membrane material dyestripping machine among the prior art for CN 217435248U's patent document, including organism and operation panel, the fixed surface of operation panel is connected with the erection column, the first linear motor of lateral wall fixedly connected with of erection column, the slip table top fixedly connected with of first linear motor installs the diaphragm, the lower fixed surface of first installation diaphragm is connected with mucosa mechanism, the slip table bottom fixedly connected with installation riser of first linear motor, the surface mounting of installation riser has the clamp membrane mechanism, the below of mucosa mechanism is provided with the locating frame, still is equipped with static electricity removing mechanism on the operation panel. The film tearing operation is realized under the mutual cooperation of the film pasting mechanism and the film clamping mechanism. After avoiding the dyestripping, under the effect of static, the quilt dyestripping adsorbs on double-layered membrane mechanism. The protection film on the sucker is not easy to fall off after the film tearing mechanism removes the film, which is unfavorable for the working efficiency.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides a backlight film tearing device for a mobile phone display screen.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a film tearing device is shaded in a mobile phone display screen includes the backup pad, and the backup pad has two, and two backup pads are vertical and relative setting, and two backup pads top is provided with receiving mechanism. The first rotating plate is rotatably arranged between the two supporting plates, the fixed ring is fixedly arranged on the rotating plate, and the backlight assembly body is placed in the fixed ring. The top of keeping away from one side of receiving mechanism between two backup pads rotates and sets up rotatory bucket, and rotatory bucket is last to be fixed to set up a plurality of bracing piece, and every bracing piece upper end is all fixed to set up the sucking disc. And each supporting plate is provided with a transmission mechanism, a driving mechanism is arranged between the transmission mechanism and the rotary barrel, and the driving mechanism is matched with the transmission mechanism to drive the rotary barrel to move.

Further, the transmission mechanism comprises a first gear and a rack, the rack is fixedly arranged at the upper end of the supporting plate, a connecting shaft is fixedly arranged in the rotary barrel, and the first gear is coaxially and fixedly arranged at two ends of the connecting shaft.

Further, a first motor is fixedly arranged on the inner side of one supporting plate close to the driving mechanism, and a limiting block is fixedly arranged on the supporting plate on the same side. The driving mechanism is positioned between the first motor and the limiting block. The driving mechanism comprises a worm, a second gear, a connecting rod and a driving rod, the second gear is coaxially and fixedly arranged on the connecting shaft, and the connecting shell is in sliding connection with the supporting plate at the corresponding side; the connecting shell comprises a hollow box and an arc-shaped shell, the arc-shaped shell is sleeved on the second gear, the hollow box is fixedly arranged at the lower end of the arc-shaped shell, the worm is rotatably arranged in the hollow box, and the worm is meshed with the second gear;

the output end of the first motor is provided with a telescopic rotating assembly, the telescopic rotating assembly comprises a driving rod and a connecting rod, the driving rod is coaxially and fixedly arranged on the output end of the first motor, and four connecting strips are uniformly and fixedly arranged on the inner wall of the driving rod; the connecting rod slides and sets up in the actuating lever, has evenly seted up four spouts on the connecting rod, spout and connecting strip one-to-one, spout and connecting strip sliding fit. The connecting rod is fixedly connected with the worm.

Further, a third motor is fixedly arranged on one supporting plate, a first shaft lever is rotatably arranged between the two supporting plates, and one end of the first shaft lever is fixedly connected with the output end of the third motor; the first shaft lever is fixedly connected with the first rotating plate.

Further, the rear side of the upper end of each supporting plate is fixedly provided with a fixing plate, a second shaft rod is rotatably arranged between the two fixing plates, a fixing shell is fixedly arranged on the outer side of one fixing plate, a second motor is fixedly arranged in the fixing shell, one end of the second shaft rod is rotatably connected with one fixing plate, and the other end of the second shaft rod penetrates through the other fixing plate to be fixedly connected with the output end of the second motor.

Further, the storage mechanism comprises a second rotating plate, the second rotating plate is rotatably arranged on the second shaft, and a plurality of strip-shaped grooves are uniformly formed in the second rotating plate to form a plurality of insertion heads with tooth-shaped structures. The layer board sets up in the below of second rotor plate, and the backup pad fixed connection of layer board and both sides.

Compared with the prior art, the utility model has the following beneficial effects: the rotary barrel is rotated through the engagement of the second gear and the worm, the sucking disc on the rotary barrel is further used for sucking the protective film on the backlight assembly body, the rotary barrel is enabled to move forwards through the cooperation of the first gear and the rack, and the protective film on the backlight assembly body is enabled to be completely separated through the cooperation of the second rotary plate.

Drawings

FIG. 1 is a schematic view showing the external structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of a driving configuration in the present utility model;

FIG. 3 is a schematic view of the cooperation of the driving rod and the connecting rod in the present utility model;

FIG. 4 is a schematic view of a rotary tub structure according to the present utility model;

FIG. 5 is a schematic view showing the external structure of embodiment 2 of the present utility model;

FIG. 6 is a right side view of embodiment 2 of the present utility model;

fig. 7 is a schematic view of a second rotating plate structure according to the present utility model.

In the figure: 1. a support plate; 2. a first rotating plate; 3. a second rotating plate; 4. a rotary tub; 5. a connecting shaft; 6. a first gear; 7. a rack; 8. a telescoping rotation assembly; 9. a limiting block; 10. a driving mechanism; 11. a connection housing; 12. a worm; 13. a second gear; 14. a connecting rod; 15. a chute; 16. a driving rod; 17. a connecting strip; 18. a first motor; 19. an insertion head; 20. a bar-shaped groove; 21. a first rotating base; 22. a second rotating base; 23. a fixed case; 24. a support rod; 25. a suction cup; 26. a fixing ring; 27. a second motor; 28. a third motor; 29. and a supporting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The backlight film tearing device for the mobile phone display screen as shown in fig. 1-7 comprises a supporting plate 1. The number of the supporting plates 1 is two, and the two supporting plates 1 are vertical and are oppositely arranged.

A third motor 28 is fixedly arranged on one of the support plates 1, and a first shaft lever is rotatably arranged between the two support plates 1.

Specifically, one end of the first shaft rod is fixedly connected with the output end of the third motor 28, the third motor 28 drives the first shaft rod to rotate, and the other end of the first shaft rod is rotationally connected with the supporting plate 1. The first shaft lever is fixedly provided with a first rotating base 21, and drives the first rotating plate 21 to rotate. The first rotary base 21 is fixedly connected to the first rotary plate 2. The first rotating plate 2 is fixedly provided with a fixing ring 26, and a backlight assembly body is arranged in the fixing ring 26. When the protective film on the body of the backlight assembly is adsorbed, the placement of the manual or mechanical hand is not facilitated due to the small distance between the two support plates 1. Therefore, the first rotating plate 2 needs to be driven by the first shaft rod to rotate 90 ° counterclockwise to place the next set of backlight assembly bodies.

The rotary barrel 4 is arranged above one side, far away from the containing mechanism, of the two support plates 1 in a rotating way. A plurality of support rods 24 are fixedly arranged on the rotary barrel 4, and the support rods 24 are arranged in a rectangular array. The upper end of each supporting rod 24 is fixedly provided with a sucker 25. The rotary barrel 4 is located above the first rotary plate 2, so that the sucking disc 25 on the rotary barrel 4 is in contact with the backlight assembly body, and the sucking disc 25 adsorbs the protective film on the backlight assembly body.

The inside fixed connecting axle 5 that is provided with of rotatory bucket 4, the equal coaxial fixed first gear 6 that sets up in both ends of connecting axle 5, every backup pad 1 upper end is fixed to be provided with rack 7, and rack 7 and first gear 6 meshing rotate. The connecting shaft 5 is coaxially and fixedly provided with a second gear 13, the connecting shell 11 is sleeved on the second gear 13, and the connecting shell 11 comprises a hollow box and an arc-shaped shell. The connection housing 11 is slidably coupled to the side of the corresponding support plate 1. The arc shell is sleeved on the second gear 13, and the hollow box is fixedly arranged at the lower end of the arc shell. The worm 12 is rotatably arranged in the hollow box, and the worm 12 is rotatably connected with the hollow box. The worm 12 is meshed with the second gear 13, the worm 12 drives the second gear 13 to rotate, the second gear 13 enables the connecting shaft 5 to rotate, and the connecting shaft 5 drives the rotary barrel 4 to rotate.

A driving mechanism 10 is disposed between the first gear 6 and the rotary tub 4, and the driving mechanism 10 rotates the rotary tub 4 to make the suction cup 25 adsorb all the protective films on the backlight assembly body. The first motor 18 is fixedly arranged on the inner side of one supporting plate 1 close to the driving mechanism 10, the limiting block 9 is fixedly arranged on the supporting plate 1 on the same side, and the first gear 6 is limited through the limiting block 9, so that the first gear 6 is prevented from shifting on the rack 7.

The drive mechanism 10 is located between the first motor 18 and the stopper 9. The output end of the first motor 18 is provided with a telescopic rotating assembly 8. The telescopic rotating assembly 8 comprises a driving rod 16 and a connecting rod 14, the driving rod 16 is coaxially and fixedly arranged at the output end of a first motor 18, and the first motor 18 drives the driving rod 16 to rotate. The actuating lever 16 internal fixation sets up four connecting strips 17, and connecting rod 14 slides and sets up in actuating lever 16, has evenly seted up four spouts 15 on the connecting rod 14, spout 15 and connecting strip 17 one-to-one, spout 15 and connecting strip 17 sliding fit, connecting rod 14 pass through spout 15 and slide in actuating lever 16, and connecting rod 14 can rotate along with the rotation of actuating lever 16 simultaneously. An annular groove is formed in one side, close to the connecting rod 14, of the hollow box, the diameter of the annular groove is larger than that of the worm 12, the worm 12 penetrates through the annular groove to be fixedly connected with one end of the connecting rod 14, and the connecting rod 14 drives the worm 12 to move.

To sum up, the backlight assembly body is placed in the fixing ring 26, and the suction cup 25 on the rotary tub 4 contacts with the backlight assembly body to suck the protective film on the backlight assembly body.

The first motor 18 is started, the first motor 18 drives the driving rod 16 to rotate, the driving rod 16 drives the connecting rod 14 to rotate, the connecting rod 14 drives the worm 12 to rotate, and the worm 12 drives the second gear 13 to rotate. The second gear 13 rotates the rotary barrel 4 through the connecting shaft 5, at this time, the first gear 6 rotates and moves forward under the cooperation with the rack 7, the first gear 6 moves the rotary barrel 4 forward through the connecting shaft 5, meanwhile, the connecting rod 14 slides into the driving rod 16, and the sucker 25 moves along with the connecting rod to completely adsorb the protective film on the backlight assembly body, so that the protective film on the backlight assembly body is completely separated.

The rotary tub 4 continues to advance. When the rotary tub 4 is far away from the first rotary plate 2, the third motor 28 is started, the third motor 28 rotates the first rotary plate 2 counterclockwise by a certain angle through the first shaft lever, and the next set of backlight assembly bodies is put into the fixing ring 26.

Example 2

As shown in fig. 5 to 7, only the differences from embodiment 1 are described here, and the remainder will not be described in detail here.

The rear side of the upper end of each supporting plate 1 is fixedly provided with a fixing plate. A second shaft rod is rotatably arranged between the two fixing plates. The outer side of one of the fixing plates is fixedly provided with a fixing shell 23, and the inside of the fixing shell 23 is fixedly provided with a second motor 27. One end of the second shaft rod is rotationally connected with one of the fixed plates. The other end of the second shaft rod passes through the other fixed plate and is fixedly connected with the output end of the second motor 27, and the second motor 27 drives the second shaft rod to rotate.

A storage mechanism is arranged above the two support plates 1 and stores the protective film on the sucker 25. The storage mechanism includes the second rotary plate 3 and the pallet 29. The second rotating base 22 is fixedly arranged on the second shaft, the second rotating plate 3 is fixedly arranged on the second rotating base 22, the second shaft drives the second rotating base 22 to rotate, and the second rotating base 22 drives the second rotating plate 3 to rotate.

A plurality of bar-shaped grooves 20 are uniformly formed on the second rotating plate 3 to form a plurality of insertion heads 19 with tooth-shaped structures. The insertion head 19 and the support rods 24 are arranged in a staggered manner, so that the insertion head 19 can be inserted into a gap between the support rods 24 during operation.

The layer board 29 sets up in the below of second rotor plate 3, and layer board 29 and both sides backup pad 1 fixed connection, and second rotor plate 3 rotate 90 degrees, and the protection film on the second rotor plate 3 falls on layer board 29, and layer board 29 accomodates the protection film on the second rotor plate 3.

The rotary tub 4 continues to move forward to a certain position to contact with the second rotary plate 3, the insertion head 19 on the second rotary plate 3 is inserted between the gaps of the support bars 24 on the rotary tub 4, and the protective film on the suction cup 25 is separated from the rotary plate 3 by the insertion head 19 as the rotary tub 4 rotates continuously.

When the protective film on the suction cup 25 is completely separated, the second motor 27 is started, the second motor 27 rotates the second shaft rod, the second shaft rod rotates the second rotating plate 3 clockwise by 90 degrees to drop the protective film on the second rotating plate 3 onto the supporting plate 29, and the protective film is stored.

Simultaneously, the first motor 18 is reversed, the first motor 18 drives the driving rod 16 to rotate, the driving rod 16 drives the connecting rod 14 to rotate, the connecting rod 14 drives the worm 12 to rotate, and the worm 12 drives the second gear 13 to rotate. The second gear 13 rotates the rotary tub 4 through the connection shaft 5, and at this time, the first gear 6 rotates and moves backward in cooperation with the rack 7, and the first gear 6 moves the rotary tub 4 backward through the connection shaft 5, resetting the rotary tub.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A cell-phone display screen is shaded and tears membrane device, characterized in that includes: the two support plates (1) are arranged vertically and oppositely, and a containing mechanism is arranged above the two support plates (1); a first rotating plate (2) is rotatably arranged between the two supporting plates (1), a fixed ring (26) is fixedly arranged on the first rotating plate (2), and a backlight assembly body is arranged in the fixed ring (26); a rotary barrel (4) is rotatably arranged on one side, far away from the storage mechanism, between the two support plates (1), a plurality of support rods (24) are fixedly arranged on the rotary barrel (4), and suction cups (25) are fixedly arranged at the upper ends of the support rods (24); each supporting plate (1) is provided with a transmission mechanism, a driving mechanism (10) is arranged between the transmission mechanism and the rotary barrel (4), and the driving mechanism (10) is matched with the transmission mechanism to drive the rotary barrel (4) to move.

2. The backlight film tearing device for a mobile phone display screen according to claim 1, wherein: the transmission mechanism comprises a first gear (6) and a rack (7), wherein the first gear (6) is meshed with the rack (7), the rack (7) is fixedly arranged at the upper end of the supporting plate (1), the inside of the rotary barrel (4) is fixedly provided with a connecting shaft (5), and the first gear (6) is coaxially and fixedly arranged on the connecting shaft (5).

3. The backlight film tearing device for a mobile phone display screen according to claim 2, wherein: a first motor (18) is fixedly arranged on the inner side of the supporting plate (1) close to the driving mechanism (10), and a limiting block (9) is fixedly arranged on the supporting plate (1) on the same side; the driving mechanism (10) is positioned between the first motor (18) and the limiting block (9);

the driving mechanism (10) comprises a worm (12), a second gear (13), a connecting rod (14), a driving rod (16) and a connecting shell (11), wherein the second gear (13) is coaxially and fixedly arranged on the connecting shaft (5), and the connecting shell (11) is in sliding connection with the supporting plate (1) at the corresponding side; the connecting shell (11) comprises a hollow box and an arc-shaped shell, the arc-shaped shell is sleeved on the second gear (13), the hollow box is fixedly arranged at the lower end of the arc-shaped shell, the worm (12) is rotatably arranged in the hollow box, and the worm (12) is meshed with the second gear (13);

the output end of the first motor (18) is provided with a telescopic rotating assembly (8), the telescopic rotating assembly (8) comprises a driving rod (16) and a connecting rod (14), and the driving rod (16) is coaxially and fixedly provided with the output end of the first motor (18); four connecting strips (17) are uniformly and fixedly arranged on the inner wall of the driving rod (16); the connecting rods (14) are arranged in the driving rods (16) in a sliding way, four sliding grooves (15) are uniformly formed in the connecting rods (14), the sliding grooves (15) correspond to the connecting strips (17) one by one, and the sliding grooves (15) are in sliding fit with the connecting strips (17); the connecting rod (14) is fixedly connected with the worm (12).

4. A cell phone display screen backlight dyestripping device according to claim 3, wherein: a third motor (28) is fixedly arranged on one of the support plates (1), a first shaft lever is rotatably arranged between the two support plates (1), and one end of the first shaft lever is fixedly connected with the output end of the third motor (28); the first shaft lever is fixedly connected with the first rotating plate (2).

5. The backlight film tearing device for a mobile phone display screen according to claim 4, wherein: a fixed plate is fixedly arranged at the rear side of the upper end of each supporting plate (1), and a second shaft rod is rotatably arranged between the two fixed plates; a fixed shell (23) is fixedly arranged on the outer side of one of the fixed plates, and a second motor (27) is fixedly arranged in the fixed shell (23); one end of the second shaft rod is rotationally connected with one of the fixed plates, and the other end of the second shaft rod penetrates through the other fixed plate to be fixedly connected with the output end of the second motor (27).

6. The backlight film tearing device for a mobile phone display screen according to claim 5, wherein: the storage mechanism comprises a second rotating plate (3), a supporting plate (29), the second rotating plate (3) is rotatably arranged on a second shaft, a plurality of strip-shaped grooves (20) are uniformly formed in the second rotating plate (3), and a plurality of insertion heads (19) with tooth-shaped structures are formed; the supporting plate (29) is arranged below the second rotating plate (3), and the supporting plate (29) is fixedly connected with the supporting plates (1) at two sides.