CN115610789A

CN115610789A - From type membrane dyestripping device

Info

Publication number: CN115610789A
Application number: CN202211372253.2A
Authority: CN
Inventors: 胡吉锋; 刘洪�; 桑子豪
Original assignee: Shenzhen Hismart Industry Robot Co ltd
Current assignee: Shenzhen Hismart Industry Robot Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-17

Abstract

The application belongs to the field of FPC (flexible printed circuit) reverse-folding equipment processing, and discloses a release film tearing device which comprises a rack, a tape tearing mechanism and a loading platform; the adhesive tape tearing mechanism is arranged on the rack and comprises a base plate, a rolling wheel, a material conveying assembly and a first driving piece, the base plate is arranged on the rack and is in sliding fit with the rack, the rolling wheel and the driving piece are both arranged on the base plate, the rolling wheel is in rotating fit with the base plate, and the material conveying assembly is arranged on the base plate; the feeding carrying platform is positioned under the rolling wheel, a material passing channel is arranged between the feeding carrying platform and the rolling wheel, and the rolling wheel is in contact with and abuts against the release film. This application rolls through the rolling wheel and makes sticky realization peel off from type membrane and LCD liquid crystal display from type membrane up end with from type membrane, has promoted the dyestripping efficiency from type membrane, has reduced the effect of dyestripping in-process to the spoilage of LCD liquid crystal display simultaneously.

Description

From type membrane dyestripping device

Technical Field

The application belongs to and relates to FPC turns over and rolls over equipment processing field, relates to a from type membrane dyestripping device.

Background

FPC coverlay, also commonly called protective film, functions to protect the circuitry from oxidation and damage; pre-coating for subsequent surface treatment, such as coating the areas not requiring gold plating. A layer of release film covers the back plate of the LCD in the production process, however, before the flexible circuit board on the back plate of the LCD is bent, the release film needs to be peeled off so as to continue subsequent processing.

Present tear from the type membrane and be the manual work and tear from, partly only 0.025mm from type membrane thickness, personnel peel off the difficulty, and intensity of labour is big, and the manual work tears from the in-process moreover, because the improper easy damage LCD screen of force control causes the material to damage, improves manufacturing cost, and the manual work is torn from inefficiency simultaneously, is unfavorable for the company's productivity to promote.

Aiming at the related technical means, the defect of low efficiency in the process of tearing the release film exists.

Disclosure of Invention

In order to improve the defect of inefficiency from type membrane dyestripping in-process, this application provides one kind from type membrane dyestripping device.

The application provides a from type membrane dyestripping device adopts following technical scheme:

a release film stripping apparatus comprising:

a frame;

the adhesive tape tearing mechanism is arranged on the rack and used for peeling off an amorphous film from an LCD (liquid crystal display) backboard, the adhesive tape tearing mechanism comprises a substrate, a rolling wheel, a material conveying component for rolling two ends of an adhesive tape and a first driving piece for driving the rolling wheel to rotate, the substrate is arranged on the rack and is in sliding fit with the rack, the first driving piece and the material conveying component are both arranged on the substrate, and the rolling wheel is arranged at the output end of the first driving piece and is in rotating fit with the first driving piece;

the feeding carrying platform is used for carrying the LCD screen with the release film, the feeding carrying platform is located under the rolling wheel, a material passing channel for the LCD screen with the release film to pass through is arranged between the feeding carrying platform and the rolling wheel, and the rolling wheel is in contact with and abuts against the release film.

By adopting the technical scheme, the adhesive tape passes through one side of the rolling wheel through the material feeding component, is in contact with the peripheral wall of the rolling wheel and then passes out of the other side of the rolling wheel, and two ends of the adhesive tape are rolled in the material feeding component; an LCD (liquid crystal display) screen with a release film is placed on a loading platform at an upstream station or upstream equipment, a first driving piece drives a rolling wheel to rotate, and the rolling wheel rolls on the upper end face of the release film to enable an adhesive tape to be adhered to the release film; along with walk the motion of material subassembly drive sticky tape to make the one end of type membrane and LCD liquid crystal display separate gradually, realize peeling off from type membrane and LCD liquid crystal display, promoted the dyestripping efficiency from the type membrane, reduced the spoilage to the LCD liquid crystal display of dyestripping in-process simultaneously.

Optionally, sticky tape dyestripping mechanism still includes the first lifting unit of control base plate along the motion of vertical direction, first lifting unit includes mounting bracket, first telescopic link and the first telescopic link pivoted second driving piece of drive, the mounting bracket install in the frame, second driving piece fixed mounting in the mounting bracket, first telescopic link install in the output of second driving piece and with base plate fixed connection, the length direction of first extensible member with the length direction of frame is perpendicular.

Through adopting above-mentioned technical scheme, the direction motion of frame is faced or kept away from to the first telescopic link of second driving piece drive to drive the direction motion of base plate orientation or keeping away from the frame, thereby the distance between adjustment rolling wheel and the material loading microscope carrier, make rolling wheel can be according to the size of the thickness adjustment punishment in advance passageway of LCD liquid crystal display, reduce rolling wheel roll make the sticky tape with from the damage of type membrane sticky time to the LCD liquid crystal display, extend the range of application of dyestripping device.

Optionally, the frame is provided with a horizontal sliding mechanism for driving the substrate to move horizontally, the horizontal sliding mechanism includes a second telescopic rod and a third driving piece for driving the second telescopic rod to rotate, the third driving piece is fixedly installed in the frame, the second telescopic rod is installed at the output end of the third driving piece and is fixedly connected with the mounting seat, and the length direction of the second telescopic rod is reverse to the length direction of the frame and is parallel to the length direction of the frame.

Through adopting above-mentioned technical scheme, the third driving piece drive second telescopic link is along the length direction concertina movement of frame to drive the mounting bracket and move along the length direction of frame with the base plate is synchronous, and then the position of adjustment rolling wheel on transversely upwards, make rolling wheel can be according to the position of LCD screen and so correspond the position that the adjustment is in the frame, the selective is to gluing from the different positions of type membrane.

Optionally, the mounting bracket is provided with a second slider, the rack faces the end face of the mounting bracket and is provided with a second slide rail, the second slide rail is in sliding fit with the second slider, and the length direction of the second slide rail is parallel to the length direction of the rack.

By adopting the technical scheme, the second slide rail is matched with the second slide block while the third driving piece drives the second telescopic rod to drive the mounting frame to move, so that the friction force between the mounting frame and the rack is reduced, and the loss of driving force is reduced; on the other hand, the second slide rail plays the effect of direction to the direction of motion of mounting bracket for the direction of motion of mounting bracket remains unanimous throughout, has improved the removal precision of rolling wheel.

Optionally, the film removing device further comprises a clamping jaw film removing mechanism, wherein the clamping jaw film removing mechanism is mounted on the substrate; the clamping jaw film tearing mechanism comprises a vertical plate, a clamping jaw used for clamping a release film and peeling off, and a clamping jaw cylinder driving the clamping jaw to open or close, wherein the vertical plate is arranged on the base plate, the clamping jaw cylinder is fixedly connected with the vertical plate, and the clamping jaw is arranged at the output end of the clamping jaw cylinder.

Through adopting the above technical scheme, if it has the handle to wait to tear from type membrane, then the length direction concertina movement of third driving piece drive second telescopic link along the frame, thereby drive the base plate and move along the length direction of frame in step, make the clamping jaw be located from type membrane directly over, and then clamping jaw cylinder drive clamping jaw is opened, make the handle from type membrane be located the clamping jaw, clamping jaw cylinder drive clamping jaw closure presss from both sides the handle from type membrane, under first lifting unit's cooperation, the base plate drives the direction motion that the material loading platform was kept away from to the clamping jaw, realize peeling off from type membrane and LCD screen, the efficiency of tearing the membrane from type membrane has been promoted, simultaneously clamping jaw membrane tearing mechanism and LCD screen contactless, the yields of LCD screen has been guaranteed.

Optionally, the clamping jaw dyestripping mechanism is still including control the clamping jaw moves towards or keeps away from the second lifting unit of material loading microscope carrier direction motion, second lifting unit includes mounting panel and lift cylinder, lift cylinder fixed mounting in the base plate, the mounting panel with the base plate cooperation of sliding just the one end of mounting panel with the output fixed connection of lift cylinder, the riser install in the mounting panel.

By adopting the technical scheme, the lifting cylinder drives the mounting plate to move towards or away from the direction of the loading platform deck, so that the vertical plate connected with the mounting plate is driven to move towards or away from the direction of the loading platform deck, the distance between the clamping jaw and the release film is reduced or enlarged, and the release film is torn off or clamped; the second lifting component is matched with the transverse sliding mechanism to adjust the spatial position of the clamping jaw according to the position of the release film, so that the clamping jaw can accurately clamp the handle of the release film. The accuracy of the film tearing is improved.

Optionally, the mounting plate is provided with a rotating cylinder for driving the vertical plate to rotate, the rotating cylinder is fixedly mounted on the mounting plate, and an output end of the rotating cylinder is fixedly connected with the vertical plate.

Through adopting above-mentioned technical scheme, start revolving cylinder, revolving cylinder drives the riser and rotates to drive the clamping jaw and rotate, according to the position adjustment clamping jaw from the type membrane handle, make the clamping jaw can the centre gripping from the handle of type membrane, expanded the use scene of dyestripping device and made dyestripping device adaptation different models from the type membrane.

Optionally, it receives material tray pivoted driving motor and a plurality of tensioning rollers that are used for the tensioning sticky tape to walk the material subassembly including the receipts charging tray that is used for the rolling sticky tape, the feed table that is used for storing the sticky tape, drive, receive charging tray, feed table and a plurality of tensioning rollers all with base plate normal running fit, driving motor fixed mounting in the base plate, receive the charging tray install in driving motor's output.

Through adopting above-mentioned technical scheme, the sticky tape is placed in the feed table, and the sticky tape goes out from receiving the material dish, is the S-shaped and passes adjacent tensioning roller, rolls up then in receiving the material dish, and driving motor drives receiving the material dish and rotates to make the tensioning roller provide the tensile force between to the sizing material, thereby first driving motor drives rolling wheel and rotates and make the material area towards receiving the movement of material book, and the sticky tape drives and glues sticky from type membrane separation LCD screen, and the separation membrane carries out concentrated recovery processing through the sticky tape.

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

1. the application range is wide. The adhesive tape film tearing mechanism is matched with the clamp film tearing mechanism, is suitable for different types of release films with different sizes, realizes stripping of the release films and the LCD screen, and reduces the damage rate of the film tearing process to the LCD screen.

2. The film tearing efficiency is high. The first driving piece drives the rolling wheel to rotate, and the rolling wheel rolls on the upper end face of the release film to enable the adhesive tape to be adhered to the release film; the adhesive tape is driven to move along with the feeding assembly, so that the release film is gradually separated from one end of the LCD screen, and the release film is efficiently peeled off from the LCD screen.

3. The space range adjustment flexibility is high. The third driving piece drives the second telescopic rod to perform telescopic motion along the direction of the x axis, and the positions of the rolling wheel and the clamping jaw on the x axis are adjusted; the second driving piece drives the first telescopic rod to move towards the direction of the rack, so that the positions of the rolling wheel and the clamping jaw in the vertical direction are adjusted; the lifting cylinder drives the mounting plate to move in the vertical direction, and the distance between the clamping jaw and the release film is further adjusted.

Drawings

Fig. 1 is a schematic view of the overall structure of a release film tearing device according to the present application.

Fig. 2 is a schematic structural view of a protruding adhesive tape tearing mechanism of a release film tearing apparatus according to the present application.

Fig. 3 is a schematic structural view of a release film tearing apparatus highlighting a first lifting assembly according to the present application.

Fig. 4 is a schematic structural view of a lateral sliding mechanism highlighted by a release film tearing device according to the present application.

Fig. 5 is a schematic structural view of a film tearing mechanism with a protruding clamping jaw of a release film tearing device according to the present application.

Description of reference numerals:

1. a frame; 11. a transverse sliding mechanism; 111. a second telescopic rod; 112. a third driving member; 12. a second slide rail; 2. a tape stripping mechanism; 21. a substrate; 211. a first slider; 22. a first lifting assembly; 221. a mounting frame; 2211. a first slide rail; 2212. a second slider; 222. a first telescopic rod; 223. a second driving member; 23. rolling wheels; 231. a material passing channel; 24. a feeding assembly; 241. a material receiving disc; 242. a feed tray; 243. a drive motor; 244. a tension roller; 25. a first driving member; 3. a clamping jaw film tearing mechanism; 31. a vertical plate; 32. a clamping jaw; 33. a clamping jaw cylinder; 34. a rotating cylinder; 35. a second lifting assembly; 351. mounting a plate; 352. a lifting cylinder; 4. a loading platform; 41. a feeding station; 42. a scrap frame; 43. a pressure lever; 44. avoiding the groove.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses from type membrane dyestripping device.

Referring to fig. 1, a release film tearing device includes a frame 1, an adhesive tape tearing mechanism 2, a clamping jaw tearing mechanism 3 and a loading platform 4. The adhesive tape tearing mechanism 2 and the clamping jaw tearing mechanism 3 are both arranged on the frame 1 and are used for peeling the release film from the LCD back panel, the adhesive tape tearing mechanism 2 is suitable for separating the release film without a handle and the LCD, clamping jaw dyestripping mechanism 3 is applicable to the separation and takes the handle from type membrane and LCD screen, and material loading microscope carrier 4 is located the below of frame 1 for bear and have the LCD screen from type membrane. In this embodiment, for further improving the film tearing efficiency, the adhesive tape film tearing mechanism 2 and the clamping jaw film tearing mechanism 3 are both provided with two sets, and the loading platform 4 is provided with two parallel loading stations 41.

Referring to fig. 2 and 3, if the release film has no handle, the adhesive tape stripping mechanism 2 is used to strip the release film. The adhesive tape tearing mechanism 2 comprises a base plate 21, a first lifting assembly 22 for controlling the base plate 21 to move along the vertical direction, a rolling wheel 23, a feeding assembly 24 for winding two ends of an adhesive tape and a first driving piece 25 for driving the rolling wheel 23 to rotate. The first lifting assemblies 22 are mounted on the frame 1, the base plate 21 is in sliding fit with the frame 1, the first driving member 25 and the feeding assembly 24 are mounted on the base plate 21, the feeding assembly 24 is in running fit with the base plate 21, and the rolling wheel 23 is mounted at the output end of the first driving member 25 and in running fit with the first driving member 25. In the embodiment, the rolling wheel 23 is located below the base plate 21, the first driving member 25 and the feeding assembly 24 are located on one side of the base plate 21, the first driving member 25 is a cylinder, and the first driving member 25 is fixedly connected with the base plate 21; the first lifting assembly 22 is located at the other end of the base plate 21 away from the feeding assembly 24.

Referring to fig. 3, the first lifting assembly 22 includes a mounting frame 221, a first telescopic rod 222 and a second driving member 223 for driving the first telescopic rod 222 to rotate, the mounting frame 221 is mounted on the frame 1, the second driving member 223 is fixedly mounted on the mounting frame 221, the first telescopic rod 222 is mounted at an output end of the second driving member 223 and is fixedly connected with the substrate 21, and a length direction of the first telescopic member is perpendicular to a length direction of the frame 1. The second driving member 223 drives the first telescopic rod 222 to move towards or away from the machine frame 1, so as to drive the base plate 21 to move towards or away from the machine frame 1, thereby adjusting the position of the rolling wheel 23 in the vertical direction. In this embodiment, the first telescopic rod 222 is fixedly connected to the base plate 21 through a connecting block. The second driver 223 is a motor. The second driving member 223 and the first telescopic rod 222 are located at one side of the mounting frame 221. The length of the gantry 1 is oriented along the X-axis. Further, the mounting bracket 221 is provided with a first slide rail 2211, the substrate 21 is provided with a first slider 211 matched with the first slide rail 2211, the first slider 211 is connected with the first slide rail 2211 in a sliding manner, and the length direction of the first slide rail 2211 is perpendicular to the length direction of the rack 1. First slide rail 2211 and first slider 211 are located the one side that first telescopic link 222 was kept away from to mounting bracket 221, and first slide rail 2211 leads for sliding of mounting bracket 221 on the one hand with the cooperation of first slider 211, reduces rocking that the production of mounting bracket 221 lift in-process produced, and on the other hand has strengthened the installation stability of mounting bracket 221.

The feeding assembly 24 comprises a receiving tray 241 for winding the adhesive tape, a feeding tray 242 for storing the adhesive tape, a driving motor 243 for driving the receiving tray 241 to rotate and a plurality of tensioning rollers 244 for tensioning the adhesive tape, wherein the receiving tray 241, the feeding tray 242 and the tensioning rollers 244 are all in running fit with the base plate 21, the driving motor 243 is fixedly installed on the base plate 21, and the receiving tray 241 is installed at the output end of the driving motor 243. The sticky tape is placed in feed tray 242, the sticky tape is followed material collecting tray 241 and is gone out, pass adjacent tensioning roller 244 for the S-shaped, pass from rolling wheel 23 one side, and with the perisporium contact of rolling wheel 23 then wear out the rolling from rolling wheel 23 opposite side in material collecting tray 241, driving motor 243 drives material collecting tray 241 and rotates, thereby make tensioning roller 244 provide the tensile force between to the sizing material, first driving motor 243 drives rolling wheel 23 and rotates thereby make the sticky tape towards receiving the material roll motion, the sticky tape drives and glues sticky from type membrane separation LCD screen, and from type membrane through the sticky tape concentrated recovery processing. In this embodiment, the first driving motor 243 and the material receiving tray 241 are preferably driven by a belt and gears.

Referring to fig. 4, in order to adjust the position of the rolling wheel 23 in the X-axis space, the frame 1 is provided with a lateral sliding mechanism 11 for driving the substrate 21 to move laterally, the lateral sliding mechanism 11 includes a second telescopic rod 111 and a third driving part 112 for driving the second telescopic rod 111 to rotate, the third driving part 112 is fixedly mounted on the frame 1, the second telescopic rod 111 is mounted at the output end of the third driving part 112 and is fixedly connected with the mounting seat, and the length of the second telescopic rod 111 is in reverse parallel with the X-axis direction. The third driving member 112 drives the second telescopic rod 111 to perform telescopic motion along the X-axis direction, so as to drive the mounting frame 221 and the substrate 21 to synchronously move along the X-axis direction, and further adjust the spatial position of the rolling wheel 23 on the X-axis, so that the rolling wheel 23 can correspondingly adjust the spatial position according to the position of the LCD screen, and the release film is selectively bonded at different positions.

The mounting rack 221 is provided with a second sliding block 2212, the second sliding block 2212 is located on the lower end face of the mounting rack 221, and the length direction of the second sliding block 2212 is parallel to the x axis; the end face of the rack 1 facing the mounting rack 221 is provided with a second slide rail 12, the second slide rail 12 is in sliding fit with the second slider 2212, and the length direction of the second slide rail 12 is parallel to the x-axis direction. When the third driving piece 112 drives the second telescopic rod 111 to drive the mounting frame 221 to move, the second slide rail 12 is matched with the second slide block 2212, so that on one hand, the friction force between the mounting frame 221 and the rack 1 is reduced, and the loss of driving force is reduced; on the other hand, the second slide rail 12 guides the moving direction of the mounting rack 221, so that the moving direction of the mounting rack 221 is always kept consistent, and the moving accuracy of the rolling wheels 23 is improved.

Referring to fig. 5, if the film to be torn off has a handle, the film is torn off by the clamping jaw film tearing mechanism 3. The clamping jaw film tearing mechanism 3 is installed on the substrate 21, and the clamping jaw film tearing mechanism 3 comprises a vertical plate 31, a clamping jaw 32 used for clamping and taking a release film and peeling off, a clamping jaw air cylinder 33 used for driving the clamping jaw 32 to open or close, a rotating air cylinder 34 used for driving the vertical plate 31 to rotate, and a second lifting assembly 35 used for controlling the clamping jaw 32 to move towards or away from the direction of the loading platform 4.

The second lifting assembly 35 comprises a mounting plate 351 and a lifting cylinder 352, the lifting cylinder 352 is fixedly mounted on the base plate 21, the mounting plate 351 is in sliding fit with the base plate 21, and one end of the mounting plate 351 is fixedly connected with the output end of the lifting cylinder 352; the rotary cylinder 34 is fixedly arranged on the mounting plate 351, and the output end of the rotary cylinder 34 is fixedly connected with the vertical plate 31; the clamping jaw air cylinder 33 is fixedly connected with the vertical plate 31, and the clamping jaw 32 is installed at the output end of the clamping jaw air cylinder 33. In this embodiment, the mounting plate 351 is disposed in an "L" shape, the rotary cylinder 34 is fixedly mounted at one end of the mounting plate 351 parallel to the horizontal plane, and the lifting cylinder 352 is fixedly mounted at one end of the mounting plate 351 perpendicular to the horizontal plane. The lifting cylinder 352 drives the mounting plate 351 to move in the vertical direction, so that the vertical plate 31 connected with the mounting plate 351 is driven to move towards or away from the loading platform 4, and the distance between the clamping jaw 32 and the release film is reduced or enlarged; starting the rotary cylinder 34, driving the vertical plate 31 to rotate by the rotary cylinder 34 so as to drive the clamping jaw 32 to rotate, and adjusting the clamping jaw 32 according to the position of the release film handle so that the clamping jaw 32 is positioned right above the release film handle; and then clamping jaw cylinder 33 drive clamping jaw 32 is opened, make the handle from the type membrane be located clamping jaw 32, clamping jaw cylinder 33 drive clamping jaw 32 closure presss from both sides the handle from the type membrane, under second lifting unit 35 and first lifting unit 22's cooperation, riser 31 drives clamping jaw 32 and keeps away from the direction motion of material loading microscope carrier 4, the realization is peeled off from type membrane and LCD liquid crystal display, the dyestripping efficiency from the type membrane has been promoted, clamping jaw dyestripping mechanism 3 and LCD liquid crystal display contactless have simultaneously guaranteed the yields of LCD liquid crystal display.

Referring to fig. 1, waste frames 42 are further disposed on two sides of the loading platform 4, and the waste frames 42 are used for collecting release films with handles torn from the clamping jaws 32. In the present embodiment, two sets of the waste material frames 42 are provided, and the two sets of the waste material frames 42 are respectively located at two ends of the loading stage 4 in the x-axis direction. Further, the loading carrier 4 is provided with a pressing rod 43 for pressing the LCD panel and an avoiding groove 44 for avoiding the pressing rod 43, and the length direction of the avoiding groove 44 is parallel to the y-axis. The pressing rod 43 is in a shape of a T, the pressing rod 43 is provided with a pressing part and a driving part, the pressing part is parallel to the x axis, the driving part is perpendicular to the x axis, the driving part of the pressing rod 43 penetrates through the avoiding groove 44, and the pressing part of the pressing rod 43 is located above the loading platform 4 and presses two groups of LCD screens side by side. The driving part of the pressure lever 43 is provided with an air cylinder which drives the pressure lever 43 to move along the y-axis direction, the air cylinder is fixedly arranged on the feeding carrying platform 4, and the output end of the air cylinder is fixedly connected with the driving part. The driving cylinder enables the driving part to move along the length direction of the avoiding groove 44, and the driving part drives the pressing part to gradually compress the LCD screen in the film tearing process.

The implementation principle of the release film tearing device in the embodiment of the application is as follows: the LCD screen with the release film is placed at the feeding station 41 of the feeding carrier 4 by the upstream station or the upstream equipment, if the to-be-torn film is provided with a handle, the clamp is started to tear the film, and if the to-be-torn film is not provided with a handle, the adhesive tape is started to tear the film.

If the film to be torn off is not provided with a handle. The adhesive tape is placed on a feeding tray 242, the adhesive tape is discharged from the material receiving tray 241, passes through adjacent tensioning rollers 244 in an S shape, passes through one side of the rolling wheel 23, contacts with the peripheral wall of the rolling wheel 23, then passes through the other side of the rolling wheel 23 and is wound on the material receiving tray 241; the third driving member 112 drives the second telescopic rod 111 to perform telescopic motion along the x-axis direction, so that the rolling wheel 23 is positioned right above the release film on the loading platform 4; the second driving member 223 drives the first telescopic rod 222 to move towards the direction of the rack 1, so as to adjust the size of the material passing channel 231 between the rolling wheel 23 and the loading platform 4 until the adhesive tape on the rolling wheel 23 is pressed against the release film; the first driving motor 243 drives the rolling wheel 23 to rotate so that the adhesive tape moves towards the material receiving roll, and the adhesive tape drives the release film adhered to the adhesive tape to be separated from one end of the LCD screen; the second driving member 223 drives the first telescopic rod 222 to move in a direction away from the rack 1, so that the release film adhered to the adhesive tape is peeled off from the LCD screen, and the release film is subjected to concentrated recovery processing through the adhesive tape.

If the to-be-torn off film has a handle, the third driving member 112 drives the second telescopic rod 111 to perform telescopic motion along the x-axis direction, so that the clamping jaw 32 is positioned right above the handle of the to-be-torn off film on the loading platform 4; the lifting cylinder 352 drives the mounting plate 351 to move towards the direction of the loading platform deck 4, so that the distance between the clamping jaw 32 and the release film is reduced until the clamping jaw 32 can clamp a handle of the release film; then the clamping jaw cylinder 33 drives the clamping jaw 32 to be opened, so that the handle of the release film is positioned in the clamping jaw 32, the clamping jaw cylinder 33 drives the clamping jaw 32 to close and clamp the handle of the release film, the lifting cylinder 352 drives the mounting plate 351 to move in the direction away from the loading platform 4, the distance between the clamping jaw 32 and the LCD is pulled open, and the release film is peeled off from the LCD; the third driving member 112 drives the second telescopic rod 111 to move in a telescopic manner along the x-axis direction, so that the clamping jaw 32 is positioned right above the waste material frame 42, and the clamping jaw cylinder 33 drives the clamping jaw 32 to open, so that the release film is thrown into the waste material frame 42.

In the description above, the terms "front", "back", "left", "right", "upper" and "lower" used in the description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions toward or away from the geometric center of a specific component, respectively. Therefore: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A release film tearing device is characterized by comprising:

a frame (1);

the adhesive tape film tearing mechanism (2) is mounted on the rack (1) and used for peeling an amorphous film from an LCD (liquid crystal display) backboard, the adhesive tape film tearing mechanism (2) comprises a substrate (21), a rolling wheel (23), a material feeding component (24) used for rolling two ends of an adhesive tape and a first driving piece (25) used for driving the rolling wheel (23), the substrate (21) is mounted on the rack (1) and is in sliding fit with the rack (1), the rolling wheel (23) and the driving piece are both mounted on the substrate (21), the rolling wheel (23) is in rotating fit with the substrate (21), and the material feeding component (24) is mounted on the substrate (21);

the feeding carrying platform (4) is used for carrying the LCD screen with the release film, the feeding carrying platform (4) is located under the rolling wheel (23), a material passing channel (231) for the LCD screen with the release film to pass through is arranged between the feeding carrying platform (4) and the rolling wheel (23), and the rolling wheel (23) is in contact with and presses against the release film.

2. The release film stripping device according to claim 1, wherein the tape stripping mechanism (2) further comprises a first lifting assembly (22) for controlling the movement of the base plate (21) along the vertical direction, the first lifting assembly (22) comprises a mounting frame (221), a first telescopic rod (222) and a second driving member (223) for driving the first telescopic rod (222) to rotate, the mounting frame (221) is mounted on the frame (1), the second driving member (223) is fixedly mounted on the mounting frame (221), the first telescopic rod (222) is mounted at an output end of the second driving member (223) and is fixedly connected with the base plate (21), and a length direction of the first telescopic member is perpendicular to a length direction of the frame (1).

3. A release film stripping device according to claim 2, wherein the machine frame (1) is provided with a transverse sliding mechanism (11) for driving the substrate (21) to move transversely, the transverse sliding mechanism (11) comprises a second telescopic rod (111) and a third driving member (112) for driving the second telescopic rod (111) to rotate, the third driving member (112) is fixedly mounted on the machine frame (1), the second telescopic rod (111) is mounted at an output end of the third driving member (112) and is fixedly connected with the mounting seat, and the length of the second telescopic rod (111) is inversely parallel to the length direction of the machine frame (1).

4. A release film stripping device according to claim 3, wherein the mounting frame (221) is provided with a second slide block (2212), the end face of the frame (1) facing the mounting frame (221) is provided with a second slide rail (12), the second slide rail (12) is slidably engaged with the second slide block (2212), and the length direction of the second slide rail (12) is parallel to the length direction of the frame (1).

5. A release film tearing device according to claim 3, further comprising a clamping jaw film tearing mechanism (3), wherein the clamping jaw film tearing mechanism (3) is mounted on the base plate (21); clamping jaw dyestripping mechanism (3) include riser (31), be used for pressing from both sides get from type membrane and the clamping jaw (32) of peeling off, drive clamping jaw (32) open or closed clamping jaw cylinder (33), riser (31) install in base plate (21), clamping jaw cylinder (33) with riser (31) fixed connection, clamping jaw (32) install in the output of clamping jaw cylinder (33).

6. The release film peeling device according to claim 5, wherein the clamping jaw peeling mechanism (3) further comprises a second lifting assembly (35) for controlling the clamping jaw (32) to move towards or away from the loading platform (4), the second lifting assembly (35) comprises a mounting plate (351) and a lifting cylinder (352), the lifting cylinder (352) is fixedly mounted on the substrate (21), the mounting plate (351) is in sliding fit with the substrate (21), one end of the mounting plate (351) is fixedly connected with the output end of the lifting cylinder (352), and the vertical plate (31) is mounted on the mounting plate (351).

7. The release film tearing device according to claim 6, wherein the mounting plate (351) is provided with a rotary cylinder (34) for driving the vertical plate (31) to rotate, the rotary cylinder (34) is fixedly mounted on the mounting plate (351), and the output end of the rotary cylinder (34) is fixedly connected with the vertical plate (31).

8. A release film stripping device according to claim 1, wherein the feeding assembly (24) comprises a receiving tray (241) for receiving the adhesive tape, a feeding tray (242) for storing the adhesive tape, a driving motor (243) for driving the receiving tray (241) to rotate, and a plurality of tension rollers (244) for tensioning the adhesive tape, the receiving tray (241), the feeding tray (242), and the plurality of tension rollers (244) are all rotatably engaged with the base plate (21), the driving motor (243) is fixedly mounted on the base plate (21), and the receiving tray (241) is mounted at an output end of the driving motor (243).