CN214777162U

CN214777162U - LCD panel protection film tears except that mechanism

Info

Publication number: CN214777162U
Application number: CN202121210029.4U
Authority: CN
Inventors: 张�浩; 张弩
Original assignee: Jiangsu Dynamic Automation Technology Co ltd
Current assignee: Jiangsu Dynamic Automation Technology Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-19
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a LCD panel protection film tears except that mechanism, include: the film drawing assembly comprises a mounting seat and a driving plate, the mounting seat is slidably mounted on a first guide rail, the first guide rail is fixed on the side face of the base, one end of the mounting seat is rotatably mounted with a rubber roller, an adhesive is coated on the circumferential surface of the rubber roller, the other end of the mounting seat is rotatably mounted with a roller, the roller extends into a driving groove on the driving plate, the driving plate is slidably mounted on a second guide rail, and the driving plate sliding along the second guide rail drives the mounting seat provided with the rubber roller to slide along the first guide rail through the matching of the driving groove and the roller; the film tearing assembly comprises a movable clamping body and a fixed clamping body, the movable clamping body is fixed at the free end of a telescopic rod of the first linear cylinder, and the fixed clamping body and the movable clamping body correspond to form a clamping structure which can be opened and closed freely. The utility model discloses it is simple quick to play the membrane, and the dyestripping dynamics is controllable, and the dyestripping is efficient.

Description

LCD panel protection film tears except that mechanism

Technical Field

The utility model relates to a technical field of dyestripping mechanism, concretely relates to LCD panel protection film tears except that mechanism.

Background

A Liquid Crystal Display (LCD), which is one of flat panel displays and is used for screen display of electronic devices such as televisions, computers, and the like. The display screen has the advantages of low power consumption, small size and low radiation. The imaging principle of the liquid crystal display screen is that liquid crystal solution in two polarized materials is utilized, and when current passes through the solution, the crystal is rearranged to achieve the purpose of imaging. In the process of producing, assembling and transferring the LCD panel, a protective film is required to be attached to the surface of the LCD panel for protection, so that the surface of a screen is prevented from being polluted and damaged, and the protective film is required to be torn off in different procedures; through the jig film tearing, the protective film is made of soft plastic, and the bottom surface of the protective film is provided with glue, so that the jig film is difficult to lift, and meanwhile, the jig film tearing force is difficult to control and easily damages the screen due to force application and motion form factors in the film tearing process; in a word, the production efficiency of the manual or simple jig film tearing is very low, and due to the fact that manual contact is easy to dirty or scratch a screen, the reject ratio is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a LCD panel protection film tears mechanism that the skinning is simple, tear film safety is quick.

In order to solve the technical problem, the utility model provides a LCD panel protection film tears except that mechanism which characterized in that includes:

the film lifting assembly comprises a mounting seat and a driving plate, the mounting seat is slidably mounted on the first guide rail and freely slides along the length direction of the first guide rail, the first guide rail is fixed on the side surface of the base, one end of the mounting seat is rotatably provided with a rubber roller, the circumferential surface of the rubber roller is coated with a layer of adhesive for adhering a protective film, the other end of the mounting seat is rotatably provided with a roller, the roller wheels correspondingly extend into a driving groove arranged on the driving plate in a matching way, the driving plate is slidably arranged on the second guide rail and freely slides along the length direction of the second guide rail, the second guide rail and the first guide rail are fixed on the same side face of the base, the driving plate is connected with a power source for driving the driving plate to slide along the second guide rail, and the driving plate sliding along the second guide rail drives the mounting seat provided with the rubber roller to slide along the first guide rail through the matching of the driving groove and the roller;

the film tearing assembly comprises a movable clamping body and a fixed clamping body, the movable clamping body is fixed at the free end of a telescopic rod of a first linear cylinder, the first linear cylinder and the fixed clamping body are fixed on the base, and the fixed clamping body corresponds to a clamping structure which is freely opened and closed to clamp a protective film.

As a further improvement, the base includes the riser of vertical setting, with the fixed bottom plate of riser lower extreme, be fixed with the reinforcing plate between riser and the bottom plate, it all sets up with the dyestripping subassembly the same side of riser.

As a further improvement, the quantity of the film-peeling assembly is four pairs at least, and the first guide rail in each pair of film-peeling assemblies is vertically fixed to the side of the vertical plate, the axis of the rubber roller in each pair of film-peeling assemblies is parallel to the length direction of the second guide rail, the quantity of the film-peeling assemblies is two pairs at least, and all the film-peeling assemblies are all arranged between the two pairs of film-peeling assemblies.

As a further improvement of the present invention, the mounting seat is fixed on the first slider, and the first slider is installed on the first guide rail in a matching manner and forms a sliding pair.

As a further improvement, the rubber roll is rotated and is installed on the support, the support is supported in the constant head tank that the mount pad upper end set up through the location axle matching that its lower extreme set up, and will through quick hasp the support locking is in the upper end of mount pad.

As a further improvement, the gyro wheel rotates to be installed and is located on the regulating block of mount pad below, and the axis of gyro wheel be with gluey roller axis vertically water flat line, the regulating block is fixed on the second slider, the second slider matches and installs on first guide rail and form the slip pair, the regulating block with be connected with the adjusting part who adjusts both intervals between the mount pad.

As a further improvement of the utility model, the adjusting part includes needle type cylinder, needle type cylinder is in through two vertical clamp tightly of upper and lower clamp nut on the regulating block, the vertical upwards just upper end of this work bar of needle type cylinder is in through threaded connection the lower extreme of mount pad, there is the clamp through threaded connection on the work bar and is in the lock nut of mount pad bottom.

As a further improvement of the utility model, the drive plate is fixed on the third slider, the third slider matches and installs on the second guide rail and form the sliding pair, the second guide rail level is fixed the side of riser.

As a further improvement of the utility model, the power supply includes second straight line cylinder, second straight line cylinder's telescopic link is fixed with the link, the link is fixed the side of drive plate, just second straight line cylinder's telescopic link with the second guide rail is parallel.

As a further improvement of the utility model, the drive groove is including the last horizontal segment, slope section and the lower horizontal segment that are the Z type in proper order smooth connection, and the length of the last horizontal segment in every drive groove is all inequality.

The utility model has the advantages that:

the utility model relates to a LCD panel protection film tears except that mechanism, at first, glue the sticking and get up the membrane to the protection film on the LCD panel through a plurality of rubber rolls that scribble the adhesive, it is quick convenient to get up the membrane, need not too much external force and participates in, and the rubber roll can be changed, the rubber roll of daubing the adhesive again can continue to use, the rubber roll can recycle, guarantee the production continuity, reduce cost input, green scientific production; secondly, after the film is lifted, the second linear air cylinder pushes the driving plate to move, and then the driving groove and the roller are matched to drive the corresponding rubber rollers to move downwards, so that the rubber rollers are separated from the protective film; finally, the film removing assembly finishes film removing of the protective film, the first linear air cylinder drives the movable clamping body to clamp the protective film between the movable clamping body and the fixed clamping body, the production line drives the LCD panel to move forwards continuously, the protective film can be torn away from the corresponding LCD panel, and film removing efficiency is high, film removing speed is high, and safety and reliability are achieved.

Drawings

FIG. 1 is a first schematic perspective view of a LCD panel protective film removing mechanism;

FIG. 2 is a schematic perspective view of a second LCD panel protective film removing mechanism;

FIG. 3 is a left side view of an LCD panel protective film removal mechanism;

FIG. 4 is a schematic perspective view of the film removing mechanism (removing the driving plate);

FIG. 5 is a right side view of the film raising mechanism (partially in section);

FIG. 6 is a perspective view of the driving plate;

FIG. 7 is a schematic view of the present invention in which the protective film on the LCD panel is removed;

the reference numbers in the figures illustrate: 11. a vertical plate; 12. a base plate; 13. a reinforcing plate; 14. a mounting seat; 15. a first slider; 16. a first guide rail; 17. a rubber roller; 18. a support; 19. quick locking; 20. a second slider; 21. an adjusting block; 22. a needle cylinder; 23. clamping the nut; 24. a working lever; 25. a locknut; 26. a roller; 27. a second linear cylinder; 28. a connecting frame; 29. a drive plate; 30. a drive slot; 31. an upper horizontal section of the drive slot; 32. an inclined section of the drive slot; 33. a lower horizontal section of the drive trough; 34. a third slider; 35. a second guide rail; 36. a movable clamping body; 37. fixing the clamping body; 38. a first linear cylinder; 39. positioning a groove; 40. positioning the shaft; 41. an LCD panel; 42. and (5) protecting the film.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-7, an embodiment of a tearing mechanism for removing a protective film of an LCD panel according to the present invention is shown;

an LCD panel protective film tearing mechanism comprising: the film drawing assembly comprises a mounting seat 14 and a drive plate 29, the mounting seat 14 is slidably mounted on a first guide rail 16 and freely slides along the length direction of the first guide rail 16, the first guide rail 16 is fixed on the side surface of the base, a rubber roller 17 is rotatably mounted at one end of the mounting seat 14, a layer of adhesive for adhering a protective film 42 is coated on the circumferential surface of the rubber roller 17, a roller 26 is rotatably mounted at the other end of the mounting seat 14, the roller 26 correspondingly matches and extends into a drive groove 30 formed in the drive plate 29, the drive plate 29 is slidably mounted on a second guide rail 35 and freely slides along the length direction of the second guide rail 35, the second guide rail 35 and the first guide rail 16 are both fixed on the same side surface of the base, the drive plate 29 is connected with a power source for driving the drive plate to slide along the second guide rail 35, and the drive plate 29 sliding along the second guide rail 35 is matched with the roller 26 through the drive groove 30 to drive the installation of the rubber roller 17 Seat 14 slides along first guide rail 16; the LCD panel 41 is translated on the flow water production line, the protective film 42 on the lower surface of the LCD panel is contacted with the rubber roller 17, the LCD panel 41 continues to translate forwards, the adhesive on the rubber roller 17 adheres to the protective film 42, the protective film 42 is attached to the rim of the rubber roller 17 and then separated from the LCD panel 41, and film forming is finished on the corresponding side edge of the protective film 42.

The film tearing assembly comprises a movable clamping body 36 and a fixed clamping body 37, the movable clamping body 36 is fixed at the free end of a telescopic rod of a first linear air cylinder 38, the first linear air cylinder 38 and the fixed clamping body 37 are fixed on the base, and the fixed clamping body 37 and the movable clamping body 36 correspond to form a clamping structure which can be freely opened and closed to clamp the protective film 42. After being stripped, one side of the protective film 42 gradually extends into the space between the movable clamping body 36 and the fixed clamping body 37, then the first linear air cylinder 38 drives the movable clamping body 36 to clamp the protective film 42 on the fixed clamping body 37, the production line drives the LCD panel 41 to move forwards continuously, and the protective film 42 can be torn away from the corresponding LCD panel 41.

The base includes riser 11 of vertical setting, bottom plate 12 fixed with riser 11 lower extreme, be fixed with reinforcing plate 13 between riser 11 and the bottom plate 12, it all sets up with the dyestripping subassembly the same side of riser 11.

The film removing assemblies are at least four in number, the first guide rail 16 in each film removing assembly is vertically fixed on the side face of the vertical plate 11, the axis of the rubber roller 17 in each film removing assembly is parallel to the length direction of the second guide rail 35, the film tearing assemblies are at least two in number, and all the film removing assemblies are arranged between the two film tearing assemblies. The film tearing assembly finishes film stripping in the middle of the protective film 42, and in the film stripping process, two sides of the protective film 42 correspondingly extend into a working space of the film tearing assembly.

In the embodiment of the present invention, the mounting seat 14 is fixed on the first sliding block 15, and the first sliding block 15 is mounted on the first guiding rail 16 in a matching manner and forms a sliding pair.

Referring to fig. 4-5, the rubber roller 17 is rotatably mounted on the bracket 18, the bracket 18 is supported in a positioning groove 39 formed in the upper end of the mounting seat 14 by a positioning shaft 40 formed in the lower end of the bracket 18, and the bracket 18 is locked to the upper end of the mounting seat 14 by a quick lock 19. The bracket 18 provided with the rubber roller 17 can be quickly installed and separated from the installation seat 14, so that the rubber roller 17 is convenient to use, and the effective viscosity of the adhesive on the circumferential surface of the rubber roller 17 is ensured, so as to ensure stable and quick film lifting.

The roller 26 is rotatably installed on an adjusting block 21 located below the installation base 14, the axis of the roller 26 is a horizontal line perpendicular to the axis of the rubber roller 17, the adjusting block 21 is fixed on a second sliding block 20, the second sliding block 20 is installed on the first guide rail 16 in a matching mode and forms a sliding pair, and an adjusting assembly for adjusting the distance between the adjusting block 21 and the installation base 14 is connected between the adjusting block 21 and the installation base. The adjusting assembly comprises a needle type air cylinder 22, the needle type air cylinder 22 is vertically clamped on the adjusting block 21 through an upper clamping nut 23 and a lower clamping nut 23, a working rod 24 of the needle type air cylinder 22 is vertically upward, the upper end of the working rod 24 is connected to the lower end of the mounting seat 14 through threads, and a check nut 25 clamped at the bottom of the mounting seat 14 is connected to the working rod 24 through threads. The space between the mounting seat 14 and the adjusting block 21 can be properly adjusted through the needle type air cylinder 22, the mounting and adjusting requirements are met, the needle type air cylinder 22 has a certain buffering effect, the rubber roller 17 is prevented from being in rigid contact with the LCD panel 41, and the protection of the LCD panel 41 is facilitated.

In the embodiment of the present invention, the driving plate 29 is fixed on a third slider 34, the third slider 34 is installed on a second guiding rail 35 in a matching manner and forms a sliding pair, and the second guiding rail 35 is horizontally fixed on the side surface of the vertical plate 11.

The power source comprises a second linear cylinder 27, an expansion rod of the second linear cylinder 27 is fixed with a connecting frame 28, the connecting frame 28 is fixed on the side surface of the driving plate 29, and the expansion rod of the second linear cylinder 27 is parallel to the second guide rail 35. The drive plate 29 is moved along the second guide rail 35 by the second linear cylinder 27.

Referring to fig. 6, the driving groove 30 includes an upper horizontal section 31, an inclined section 32 and a lower horizontal section 33 which are smoothly connected in sequence and are in a Z shape, the lengths of the upper horizontal section 31 in each driving groove 30 are different, and the time for each roller 26 to enter the inclined section is different in the process of horizontal movement of the driving plate 29, so that the rubber roller 17 is driven to separate from the protective film 42 at different time, the rubber roller 17 is separated from the protective film 42 one by one in sequence, and the LCD panel 41 is prevented from being damaged due to overlarge adhesion force in the process of separating from the protective film 42 in a plurality of rubber rollers 17 in a concentrated manner.

The utility model discloses a working process:

referring to fig. 7, the LCD panel 41 is translated on the flowline, and the protective film 42 on the lower surface of the LCD panel is in contact with the rubber roller 17, the LCD panel 41 continues to translate forward, and the adhesive on the rubber roller 17 adheres to the protective film 42, so that the protective film 42 is adhered to the rim of the rubber roller 17 and further separated from the LCD panel 41, that is, the film is formed on the corresponding side edge of the protective film 42, and the film is formed, and the LCD panel 41 stops translating forward; one side of the protective film 42 is gradually extended into the clamping space between the movable clamping body 36 and the fixed clamping body 37 after being stripped, then the first linear air cylinder 38 drives the movable clamping body 36 to clamp the protective film 42 on the fixed clamping body 37, the second linear air cylinder 27 pushes the driving plate 29 to move, and then the corresponding rubber roller 17 is driven to move downwards through the matching of the driving groove 30 and the roller 26, so that the rubber roller 17 is separated from the protective film 42, and as the lengths of the upper horizontal sections of the driving grooves 30 are different, therefore, each rubber roller 17 can be separated from the protective film 42 one by one according to the length of the upper horizontal section of the corresponding driving groove 30, after all the rubber rollers 17 are separated from the protective film 42, the production line drives the LCD panel 41 to move forward, since one side of the protective film 42 is clamped by the film tearing mechanism, the protective film 42 can be peeled off completely from the corresponding LCD panel 41, and the peeling is completed.

Firstly, the protective film 42 on the LCD panel 41 is adhered and filmed through the plurality of rubber rollers 17 coated with the adhesive, the filming is quick and convenient, excessive external force is not needed for participation, the rubber rollers 17 can be replaced, the rubber rollers 17 coated with the adhesive again can be continuously used, the rubber rollers 17 can be recycled, the production continuity is ensured, the cost input is reduced, and the green scientific production is realized; secondly, after the film stripping is finished, the second linear air cylinder 27 pushes the driving plate 29 to move, and then the driving groove 30 and the roller 26 are matched to drive the corresponding rubber rollers 17 to move downwards, so that the rubber rollers 17 are separated from the protective film 42, and because the lengths of the upper horizontal sections of the driving grooves 30 are different, each rubber roller 17 can be separated from the protective film 42 one by one in sequence according to the length of the upper horizontal section of the corresponding driving groove 30, the damage to the LCD panel 41 caused by overlarge adhesive force in the separation process of the rubber rollers 17 concentrated with the protective film 42 is avoided, the protection of the LCD panel 41 is facilitated, and the defective rate is reduced; finally, after the film removing assembly finishes film removing of the protective film 42, the first linear air cylinder 38 drives the movable clamping body 36 to clamp the protective film 42 between the movable clamping body 36 and the fixed clamping body 37, the production line drives the LCD panel 41 to move forward continuously, the protective film 42 can be torn away from the corresponding LCD panel 41, and the film tearing efficiency is high, the speed is high, and the film tearing is safe and reliable.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a LCD panel protection film tears mechanism which characterized in that includes:

2. The LCD panel protective film tearing mechanism according to claim 1, wherein the base comprises a vertical plate vertically arranged and a bottom plate fixed with the lower end of the vertical plate, a reinforcing plate is fixed between the vertical plate and the bottom plate, and the film lifting assembly and the film tearing assembly are both arranged on the same side of the vertical plate.

3. The LCD panel protective film tearing mechanism according to claim 2, wherein the number of the film-peeling assemblies is at least four, the first guide rail in each pair of film-peeling assemblies is vertically fixed on the side surface of the vertical plate, the axis of the rubber roller in each pair of film-peeling assemblies is parallel to the length direction of the second guide rail, the number of the film-peeling assemblies is at least two, and all the film-peeling assemblies are arranged between the two pairs of film-peeling assemblies.

4. The LCD panel protective film removing mechanism as claimed in claim 3, wherein the mounting seat is fixed on a first slider, and the first slider is fittingly mounted on the first guide rail and forms a sliding pair.

5. The LCD panel protective film tearing mechanism as claimed in claim 3, wherein the rubber roller is rotatably mounted on a bracket, the bracket is supported in a positioning groove provided at the upper end of the mounting seat by a positioning shaft provided at the lower end of the bracket in a matching manner, and the bracket is locked at the upper end of the mounting seat by a quick lock.

6. The LCD panel protective film tearing mechanism of claim 3, wherein the roller is rotatably mounted on an adjusting block under the mounting seat, and the axis of the roller is a horizontal line perpendicular to the axis of the glue roller, the adjusting block is fixed on a second slide block, the second slide block is mounted on the first guide rail in a matching manner and forms a sliding pair, and an adjusting component for adjusting the distance between the adjusting block and the mounting seat is connected between the adjusting block and the mounting seat.

7. The LCD panel protective film tearing mechanism according to claim 6, wherein the adjusting assembly comprises a needle cylinder, the needle cylinder is vertically clamped on the adjusting block by an upper clamping nut and a lower clamping nut, a working rod of the needle cylinder is vertically upward, the upper end of the working rod is connected to the lower end of the mounting seat through a thread, and a locknut clamped at the bottom of the mounting seat is connected to the working rod through a thread.

8. The LCD panel protective film tearing mechanism as claimed in claim 3, wherein the driving board is fixed on a third slider, the third slider is fittingly mounted on a second guide rail and forms a sliding pair, and the second guide rail is horizontally fixed on the side of the vertical plate.

9. The LCD panel protective film removing mechanism of claim 8, wherein the power source comprises a second linear cylinder, the telescopic rod of the second linear cylinder is fixed to a connecting frame, the connecting frame is fixed to the side surface of the driving plate, and the telescopic rod of the second linear cylinder is parallel to the second guide rail.

10. The LCD panel protective film removing mechanism of claim 9, wherein the driving grooves include an upper horizontal section, an inclined section, and a lower horizontal section which are smoothly connected in a Z-shape in sequence, and the length of the upper horizontal section in each driving groove is different.