CN212474238U

CN212474238U - Sheet material protective film stripping off device

Info

Publication number: CN212474238U
Application number: CN202020599057.9U
Authority: CN
Inventors: 黄小平; 钟秋良; 徐节剑; 陈国治
Original assignee: Guangdong Kesheng Intelligent Equipment Co ltd
Current assignee: Guangdong Kesheng Intelligent Equipment Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-05
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of material stripping, and discloses a sheet protective film stripping device, which comprises a frame, a pasting mechanism, a stripping mechanism and a sheet material platform, wherein an X-direction guide rail and a Y-direction guide rail are arranged on the frame, the stripping mechanism and the sheet material platform are assembled on the Y-direction guide rail in a guiding manner, the pasting mechanism is assembled on the X-direction guide rail in a guiding manner, the bottom of the pasting mechanism is provided with double-sided adhesive, and the sheet material platform is assembled on the Y-direction guide rail in a movable manner along the up-and-down direction; the top of the stripping mechanism is wound with an adhesive tape, and the stripping mechanism is movably assembled on the Y-direction guide rail along the up-down direction. The sheet stock on the sheet stock platform is stuck to the two sides of the bottom of the film sticking mechanism and is stuck with the protective film at the bottom of the sheet stock when the film peeling mechanism moves upwards to the film peeling position, the protective film can be driven to separate from the sheet stock when the adhesive tape moves around, so that the film peeling operation of the single sheet stock is realized, the protective films of the sheet stock are peeled one by utilizing the double-side sticking and the viscosity of the adhesive tape, all the sheet stocks are not required to be placed on the adhesive tape in advance, and the sheet stock is prevented from being bent and.

Description

Sheet material protective film stripping off device

Technical Field

The utility model relates to a material stripping technical field especially relates to a sheet material protection film stripping off device.

Background

Display screens are widely applied to displays of electronic digital products such as mobile phones, flat panels and vehicle-mounted displays, before the display screens are manufactured into finished displays, the display screens need to be processed through various processes such as CNC (computerized numerical control) machining, cleaning, silk-screen printing and polaroid pasting (front and back surfaces), and with the continuous rising of labor cost, the demand of the manufacturing industry on automation is more and more urgent. At present, the processing of display screens is mass production in batches on automatic machine tools, and at a polaroid pasting station, before the polaroid is attached to the display screen, a protective film on the glue surface of the polaroid needs to be peeled off firstly.

Along with the development of society, people have higher and higher requirements on the performance of display screens, and along with the development of the display screens, the types, the shapes and the sizes of the polaroids are more and more diversified, and the thickness range is generally 0.1-0.35 mm. The traditional stripping machine generally arranges the sheet materials in sequence on a transparent adhesive tape for continuous stripping of the stacked sheet materials, but after a plurality of polaroids are arranged on the adhesive tape, the polaroids are bent when the adhesive tape is wound at a rotating position on a roller, so that stripping failure is caused; in addition, when the existing polarizer peels the protective film, a label peeling plate is needed, and the label peeling plate pushes and presses the adhesive tape to peel the protective film, but the edge shapes and angles of the label peeling plates needed by different products are different, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a sheet material protection film stripping off device to when solving the polaroid among the prior art and placing and peel off on the sticky tape, the polaroid can take place to bend the risk and lead to the problem of stripping failure.

In order to achieve the purpose, the utility model provides a sheet material protection film stripping device, including the frame, arrange the mechanism of pasting, the mechanism of peeling off and the sheet material platform in the frame, be provided with mutually perpendicular's X to guide rail and Y to the guide rail in the frame, peeling off mechanism and sheet material platform direction assembly are in on the Y is to the guide rail, the mechanism of pasting direction assembly is in on the X is to the guide rail, the bottom of pasting the mechanism is provided with two-sided and glues, the sheet material platform along upper and lower direction activity assembly in on the Y is to the guide rail, the sheet material platform has in upper and lower stroke with the material loading level that two-sided gluing contacted with break away from the position of unloading that two-sided glues; the top of the stripping mechanism is wound with an adhesive tape, the stripping mechanism is movably assembled on the Y-direction guide rail along the vertical direction, and the stripping mechanism is provided with a stripping position where the adhesive tape is contacted with the double-sided adhesive to strip the protective film and a stripping position where the adhesive tape is separated from the double-sided adhesive in the vertical moving process.

Preferably, the stripping mechanism comprises two adhesive tape wheels, two stripping rollers and two conveying rollers, the two adhesive tape wheels are used for collecting and releasing adhesive tapes, the adhesive tape wheels, the stripping rollers and the conveying rollers are parallel to each other and extend along the X direction, and the stripping rollers are located on the upper sides of the adhesive tape wheels and the conveying rollers.

Preferably, the pasting mechanism comprises a pasting roller and a mesh cloth, wherein the pasting roller and the mesh cloth are arranged on the pasting roller in a winding mode and are parallel to each other, the pasting roller extends along the X direction, and the double-side pasting mechanism is arranged on the mesh cloth.

Preferably, the sheet material platform comprises a shell with a vacuum cavity and a vacuum system connected with the vacuum cavity, and the top of the shell is provided with an opening communicated with the vacuum cavity.

Preferably, the sheet stock platform further comprises a rotary seat, the shell is rotatably assembled on the rotary seat, and a rotary driving device in transmission connection with the shell is arranged on the rotary seat.

Preferably, the rotary drive device comprises a rotary motor and a harmonic reducer, and the harmonic reducer is in transmission connection with the rotary motor and the shell.

Preferably, an industrial camera is further arranged on the rack, the industrial camera is arranged above the sheet stock platform, the sheet stock protective film peeling device further comprises an image processing system connected with the industrial camera, the image processing system is in signal connection with the rotary driving device, and the image processing system is used for acquiring position signals of sheet stocks on the sheet stock platform and transmitting rotating angle signals to the rotary driving device.

Preferably, the upper side of the sheet stock platform is also provided with a light source.

Preferably, the light sources are two and have a strip-shaped structure, and the two light sources are arranged perpendicular to each other.

The embodiment of the utility model provides a sheet material protection film stripping off device compares with prior art, and its beneficial effect lies in: when the sheet material platform moves upwards to the upper material level, the sheet materials on the sheet material platform are adhered to the two sides of the bottom of the film adhering mechanism and are adhered to the upper surface of the film adhering mechanism, the film peeling mechanism moves to the lower part of the film adhering mechanism along the Y-direction guide rail, the adhesive tape can adhere to the protective film at the bottom of the sheet materials when the film peeling mechanism moves upwards to the film peeling position, the adhesive tape can drive the protective film to be separated from the sheet materials when winding, the film peeling operation of the single sheet materials is realized, the protective film of the sheet materials is peeled one by utilizing the double-side adhesion and the viscosity of the adhesive tape, all the sheet; meanwhile, a label stripping plate is omitted, the label stripping device is suitable for stripping protective films from sheet materials in different shapes, and the universality is high.

Drawings

FIG. 1 is a schematic structural view of a sheet stock protective film peeling device of the present invention;

FIG. 2 is a schematic structural view from another perspective of the sheet protective film peeling apparatus of FIG. 1;

FIG. 3 is an assembled view of a peeling mechanism, a sheet platform, of the sheet protective film peeling apparatus of FIG. 1;

FIG. 4 is a schematic configuration diagram of a peeling mechanism of the sheet material protective film peeling apparatus of FIG. 1;

FIG. 5 is a schematic view of another angle of the stripping structure of FIG. 4;

FIG. 6 is a schematic view showing the construction of a sheet platform of the sheet protective film peeling apparatus of FIG. 1;

FIG. 7 is a schematic view of another angled configuration of the sheet platform of FIG. 6;

FIG. 8 is a schematic view showing the structure of an application mechanism of the sheet protective film peeling apparatus of FIG. 1;

FIG. 9 is a schematic structural view of a conveying mechanism of the sheet protective film peeling apparatus of FIG. 1;

FIG. 10 is a schematic configuration diagram of a double sheet detecting mechanism of the sheet protective film peeling apparatus of FIG. 1;

FIG. 11 is a schematic view showing a state where the attaching mechanism of the sheet protecting film peeling apparatus of FIG. 1 adheres the polarizer on the sheet mechanism;

FIG. 12 is a schematic view showing a state where the peeling mechanism of the sheet stock protective film peeling apparatus of FIG. 1 peels the protective film on the polarizer.

In the figure, 1, a frame; 11. an X-direction guide rail; 12. a Y-direction guide rail; 2. a pasting mechanism; 21. pasting a roller; 22. an auxiliary roller; 23. screen cloth; 24. double-sided adhesion; 3. a stripping mechanism; 31. a tape wheel; 32. a stripping roller; 33. a conveying roller; 34. an adhesive tape; 35. a sliding table cylinder; 4. a sheet stock platform; 41. a housing; 42. a cover plate; 421. opening a hole; 43. rotating; 44. a rotating electric machine; 45. A harmonic reducer; 46. an upper cylinder and a lower cylinder; 5. an industrial camera; 6. a conveying mechanism; 61. a sliding table; 62. a conveying cylinder; 63. a suction cup; 7. a collection box; 8. a light source; 9. a two-piece detection mechanism; 91. a transmitter; 92. a receiver.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a sheet stock protection film stripping off device's preferred embodiment, as shown in fig. 1 to 12, which comprises a frame 1, paste mechanism 2, stripping mechanism 3, sheet stock platform 4, industry camera 5 and image processing system, frame 1 is this sheet stock protection film stripping off device's base member, stripping mechanism 3,

sheet stock platform

4, 5 equipartitions of industry camera are put in frame 1, sheet stock platform 4 is used for placing single sheet stock, pasting mechanism 2 is used for bonding single sheet stock on the sheet stock platform 4 fixedly, stripping mechanism 3 is used for peeling off the protection film of single sheet stock bottom on pasting mechanism 2, industry camera 5 and image processing system are used for carrying out the position correction to the sheet stock on the sheet stock platform 4.

An X-direction guide rail 11 and a Y-direction guide rail 12 are arranged on the frame 1, the X-direction guide rail 11 and the Y-direction guide rail 12 are perpendicular to each other, the X-direction guide rail 11 is positioned on the top side of the frame 1, the Y-direction guide rail 12 is positioned on the bottom side of the frame 1, the pasting mechanism 2 is assembled on the X-direction guide rail 11 in a guiding mode, and the sheet material platform 4 and the stripping mechanism 3 are assembled on the Y-direction guide rail 12 in a guiding mode.

The pasting mechanism 2 comprises a guide block which is assembled on the X-direction guide rail 11 in a guiding mode and a head pasting device which is fixed on the guide block, wherein the head pasting device slides on the X-direction guide rail 11 through the guide block, so that the position of the pasting mechanism 2 is adjusted. The head pasting device is inversely hung on the X-direction guide rail 11 and comprises a fixing frame and a roller assembly which are fixed on the guide block, a track extending along the Y direction is arranged on the fixing frame, and the roller assembly is assembled on the track in a guiding mode.

The roller assembly is arranged at the lower side of the pasting mechanism 2, the roller assembly comprises a plurality of pasting rollers 21 and auxiliary rollers 22, each pasting roller 21 extends along the X direction, and the plurality of pasting rollers 21 are arranged at intervals along the Y direction. The auxiliary rollers 22 are multiple, the auxiliary rollers 22 are parallel to the pasting roller 21, the auxiliary rollers 22 and the pasting roller 21 are arranged at intervals along the Y direction, the auxiliary rollers 22 are located on the upper side of the pasting roller 21, the auxiliary rollers 22 and the pasting roller 21 can rotate around the center line of the auxiliary rollers 22 and the pasting roller 21, and the auxiliary rollers 22 are used for tensioning the screen cloth 23. The fixed frame is also provided with a motor which is used for driving the pasting roller 21 and the auxiliary roller 22 to rotate.

A mesh cloth 23 is arranged between the auxiliary roller 22 and the pasting roller 21 in a winding manner, the mesh cloth 23 sequentially passes through the lower part of the pasting roller 21 and the upper part of the auxiliary roller 22 before being tensioned, and the mesh cloth 23 can move along with the rotation of the auxiliary roller 22 and the pasting roller 21. The bottom of the mesh cloth 23 is fixedly adhered with a double-sided adhesive 24, the double-sided adhesive 24 is fixed on the mesh cloth 23 through self adhesion, and the double-sided adhesive 24 is used for fixedly adhering a sheet material to be stripped, wherein the sheet material comprises but is not limited to a polaroid. The specification of the mesh cloth 23 is 40 meshes, and the thickness of the mesh cloth 23 is 0.1 mm; the thickness of the double-sided adhesive 24 is 0.1mm, and the size of the double-sided adhesive 24 is larger than that of the sheet material, and is determined according to the size of the sheet material.

The stripping mechanism 3 comprises a Y-direction guide block, a sliding table cylinder 35 fixed on the Y-direction guide block and a winding assembly fixedly assembled with the sliding table cylinder 35, the Y-direction guide block is used for being assembled with the Y-direction guide rail 12 in a guiding mode, and the stripping mechanism 3 is assembled on the Y-direction guide rail 12 through the Y-direction guide block in a guiding mode.

The winding assembly comprises an adhesive tape wheel 31, a stripping roller 32 and a conveying roller 33, and the adhesive tape wheel 31, the stripping roller 32 and the conveying roller 33 can rotate around the axis of the adhesive tape wheel 31, the stripping roller 32 and the conveying roller 33 so as to drive the adhesive tape 34 to rotate around. The number of the adhesive tape wheels 31 is two, the two adhesive tape wheels 31 are arranged at the lowest position of the winding assembly, two ends of the adhesive tape 34 are respectively wound on the two adhesive tape wheels 31, and the adhesive tape wheels 31 are used for winding and unwinding the adhesive tape 34. The stripping roller 32 is arranged at the topmost side of the winding assembly, the conveying roller 33 is arranged between the stripping roller 32 and the adhesive tape wheel 31, the adhesive tape 34 is wound on the adhesive tape wheel 31 by bypassing the conveying roller 33 and the stripping roller 32, and the conveying roller 33 is used for tensioning the adhesive tape 34 and driving the adhesive tape 34 to rotate. The peeling roller 32 is positioned on the upper side of the adhesive tape wheel 31 and the conveying roller 33, the adhesive tape 34 is wound around the top side of the peeling roller 32, the peeling roller 32 can provide support for the adhesive tape 34 while the adhesive tape 34 is wound, the adhesive tape 34 can be contacted with the protective film on the polarizer at the bottom of the double-sided adhesive 24, and the protective film can be peeled off the polarizer when the adhesive tape 34 is wound.

The cylinder body and the Y-guide block of slip table cylinder 35 are fixed, and the output of slip table cylinder 35 is with establishing subassembly fixed mounting around, and in this embodiment, the stroke of slip table cylinder 35 is 50 mm. The slide table cylinder 35 is used for driving the winding assembly to move up and down so as to adjust the position of the stripping mechanism 3 in the up-down direction. The sliding table cylinder 35 drives the stripping mechanism 3 to move up and down, in the process that the stripping mechanism 3 moves up and down, the adhesive tape 34 on the stripping roller 32 at the top of the stripping mechanism 3 is contacted with the protective film on the polaroid and can strip the protective film when the stripping mechanism 3 moves to the top side, and at the moment, the stripping mechanism 3 is in a stripping position; after the stripping mechanism 3 is separated from the topmost side, the adhesive tape 34 is separated from the double-sided adhesive tape 24 and drives the protective film to be separated from the polaroid, so that the film stripping operation is realized, and the stripping mechanism 3 is in a stripping position at the moment.

The sheet material platform 4 is arranged in parallel with the peeling mechanism 3, the sheet material platform 4 comprises a shell 41, a vacuum system, a rotary seat 43, a rotary motor 44, a harmonic reducer 45, a guide block and an upper and lower air cylinder 46, the guide block is assembled on the Y-guide rail 12 along the Y-guide direction, the cylinder body of the upper and lower air cylinder 46 is fixed on the guide block, the output end of the upper and lower air cylinder 46 is fixedly connected with the shell 41, and the upper and lower air cylinder 46 is used for driving the sheet material platform 4 to move along the up-and-down. The stroke of the upper and lower cylinders 46 is 10mm, the sheet material platform 4 is used for arranging the sheet material of the protective film to be peeled, when the upper and lower cylinders 46 drive the sheet material platform 4 to move upwards to the highest position, the sheet material is contacted with the double-sided adhesive 24 at the bottom of the pasting mechanism 2 and is fixedly adhered on the double-sided adhesive 24, and at the moment, the sheet material platform 4 is at the material loading position; when the upper and lower cylinders 46 descend from the loading position, the sheet material platform 4 is separated from the double-sided adhesive 24 at the bottom of the pasting mechanism 2, and the sheet material platform 4 is at the unloading position.

The inside of the casing 41 has a vacuum chamber, a cover plate 42 is disposed on the top of the casing 41, and a sealing ring is disposed between the cover plate 42 and the casing 41 to ensure airtightness. The cover plate 42 is provided with an opening 421 communicated with the vacuum cavity, the diameter of the opening 421 is 1.5mm, the plurality of openings 421 are arranged on the cover plate 42 in a scattering manner, when the sheet material is arranged on the cover plate 42, the vacuum cavity is under negative pressure, and the sheet material is adsorbed on the cover plate 42 under the action of air pressure. A vacuum system (not shown) is connected to the vacuum chamber in the housing 41, and the vacuum system is used for sucking gas in the vacuum chamber to form a negative pressure chamber in the housing 41, and the vacuum system is of a conventional structure and will not be described in detail herein. A vacuum detector is further disposed on the housing 41, and the vacuum detector is used for detecting the gas pressure in the vacuum cavity and transmitting a signal to the control system, so as to realize automatic control.

After the polaroid is placed on the surface of the sheet stock platform 4, the vacuum system is started and negative pressure is formed in the vacuum cavity, the cover plate 42 can suck the polaroid through the opening 421, the pressure in the vacuum cavity changes after the polaroid is adsorbed, and the vacuum detector detects a pressure change signal after the polaroid is adsorbed and sends a signal to the control system.

The housing 41 is fixedly arranged on the rotary base 43, the rotary motor 44 is used for driving the rotary base 43 to rotate, and a harmonic reducer 45 is connected between the rotary motor 44 and the rotary base 43. The rotating motor 44 is connected with the input end of the harmonic reducer 45, the rotating base 43 is fixedly connected with the output end of the harmonic reducer 45, and the rotating motor 44 drives the rotating base 43 to rotate according to a certain speed reduction ratio, so that the angle of the polaroid on the cover plate 42 in the horizontal plane is adjusted, and the angle of the polaroid is the same as the angle of the double-sided adhesive 24 attached to the covering mechanism 2.

The frame 1 is also provided with an industrial camera 5, the industrial camera 5 is guided and assembled on the Y-guide rail 12, the industrial camera 5 is arranged on the frame 1 in an inverted mode, and the industrial camera 5 is used for collecting images of the sheet materials. The sheet stock protective film stripping device also comprises an image processing system connected with the industrial camera 5, wherein the image processing system is used for receiving image signals transmitted by the industrial camera 5 and processing and analyzing the image signals so as to obtain the angle of the sheet stock on the sheet stock platform 4 and compare the angle with a standard angle to calculate the correction angle of the polarizer on the sheet stock platform 4.

The image processing system is in signal connection with the rotating motor 44, and is used for sending a correction angle signal to the rotating motor 44, so as to control the rotating angle output by the rotating motor 44, and enable the rotating seat 43 to drive the cover plate 42 and the sheet material thereon to rotate by a corresponding angle, so as to correct the angle of the polarizer.

The upper side of the sheet platform 4 is also arranged with light sources 8, in this embodiment, the light sources 8 have two and even stripe structures, the two light sources 8 are arranged perpendicular to each other, and the two light sources 8 extend along the X direction and the Y direction respectively. The two light sources 8 with the strip-shaped structures are arranged above the edge of the sheet material platform 4, the two light sources 8 adopt a normally-bright mode, and when the industrial camera 5 collects angle information of a sheet material on the sheet material platform 4, the light sources 8 provide enough light for the industrial camera 5.

The sheet protective film peeling apparatus further comprises a conveying mechanism 6, the conveying mechanism 6 comprising a slide table 61 fitted on the X-guide rail 11 in the X-guide direction, a conveying cylinder 62 fixedly provided on the slide table 61, and a suction cup 63 disposed on the conveying cylinder 62, the suction cup 63 being for sucking up individual sheet materials. The conveying cylinder 62 extends and retracts in the vertical direction, the suction cup 63 is fixedly arranged at the bottom of the conveying cylinder 62, the suction cup 63 can move in the vertical direction along with the conveying cylinder 62, and meanwhile, the sliding table 61 can move and convey the sheet materials on the suction cup 63 to the sheet material platform 4 along the X-direction guide rail 11, the sliding table 61 and the conveying cylinder 62 in a matched mode.

A double-sheet detection mechanism 9 is further arranged between the conveying mechanism 6 and the sheet material platform 4, the double-sheet detection mechanism 9 comprises an emitter 91 and a receiver 92, and the emitter 91 and the receiver are arranged at intervals along the vertical direction, and the emitter 91 is arranged on the upper side of the receiver 92. When the suction cup 63 of the conveying mechanism 6 conveys the polarizer, the polarizer moves to the middle of the transmitter 91 and the receiver 92, the transmitter 91 continuously transmits electric waves, the electric waves are attenuated after passing through the polarizer, and the receiver 92 judges whether the polarizer is a single polarizer or two or more polarizers according to the strength of the received electric waves.

A collecting box 7 is arranged between the conveying mechanism 6 and the double-sheet detection mechanism 9, and the collecting box 7 is used for placing the polaroid. The threshold value ranges of the emitter 91 and the receiver 92 are set by placing a single polaroid between the emitter 91 and the receiver 92, if the single polaroid is a single polaroid, the measured value of the electric wave intensity is in the threshold value range, the controller sends an OK signal, and the conveying mechanism 6 moves to the position above the sheet material platform 4 for discharging; if the polarizer is a double or multi polarizer, the measured value of the electric wave intensity exceeds the threshold value range, the controller sends an NG signal, the conveying mechanism 6 moves to the upper part of the collecting box 7, and the polarizer is placed in the collecting box 7.

The utility model discloses a working process does: the conveying cylinder 62 of the conveying mechanism 6 sucks the polaroid by using the sucking disc 63, the conveying mechanism 6 moves along the X-direction guide rail 11 and moves the polaroid between the transmitter 91 and the receiver 92 of the double-sheet detection mechanism 9, after the polaroid is determined to be single, the conveying mechanism 6 moves along the X-direction guide rail 11 and arranges the polaroid on the cover plate 42 on the shell 41, the vacuum detector detects a pressure change signal and determines that the polaroid is sucked, and the sucking disc 63 of the conveying mechanism 6 releases the pressure and releases the polaroid; the industrial camera 5 collects images of the polarizer and transmits the images to the image processing system, the image processing system analyzes the deviation between the angle of the polarizer and the standard angle and transmits a correction angle signal to the rotating motor 44, and the rotating motor 44 drives the rotating base 43 to rotate through the harmonic reducer 45 according to the received correction angle signal to correct the angle of the polarizer on the shell 41; after the angle correction is finished, the sheet material platform 4 moves to the lower side of the pasting device along the Y-direction guide rail 12, the sheet material platform 4 moves to the upper material level under the driving of the upper air cylinder 46 and the lower air cylinder 46, and the polaroid is fixedly adhered to the double-sided adhesive 24 at the bottom of the screen cloth 23; a vacuum system of the sheet material platform 4 starts a compression gas circuit, the pressure of a vacuum cavity is increased, the polaroid is released, and the sheet material platform 4 moves downwards to a discharging position under the driving of an upper cylinder 46 and a lower cylinder 46; the stripping mechanism 3 moves to the lower side of the attaching mechanism 2 along the Y-direction guide rail 12, the stripping roller 32 is located right below the polaroid at the moment, the stripping mechanism 3 moves to a membrane stripping position under the driving of the sliding table cylinder 35, the stripping roller 32 contacts and adheres to the protective film at the bottom of the polaroid, the stripping mechanism 3 moves along the Y-direction guide rail 12, the adhesive tape 34 moves in a winding mode, the protective film is separated from the polaroid along with the movement of the adhesive tape 34, the stripping mechanism 3 descends to the stripping position, and the protective film stripping operation is completed.

To sum up, the embodiment of the utility model provides a sheet stock protection film stripping off device, when its sheet stock platform went up to the material level, the sheet stock on the sheet stock platform was pasted to the two sides of pad pasting mechanism bottom and is glued, the mechanism of peeling off moves to the below of pasting the mechanism along Y guide rail, the sticky tape can paste the protection film of sheet stock bottom when the mechanism of peeling off went up to the position of peeling off the membrane, the sticky tape can drive the protection film and break away from the sheet stock when moving around, realize the operation of peeling off the membrane to single sheet stock, utilize the viscidity of two sides glue and sticky tape to peel off the protection film of sheet stock one by one, need not place all sheet stocks on the sticky tape in advance, avoid the; meanwhile, a label stripping plate is omitted, the label stripping device is suitable for stripping protective films from sheet materials in different shapes, and the universality is high.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A sheet material protective film stripping device is characterized by comprising a rack, a pasting mechanism, a stripping mechanism and a sheet material platform, wherein the pasting mechanism, the stripping mechanism and the sheet material platform are arranged on the rack, an X-direction guide rail and a Y-direction guide rail which are perpendicular to each other are arranged on the rack, the stripping mechanism and the sheet material platform are assembled on the Y-direction guide rail in a guiding manner, the pasting mechanism is assembled on the X-direction guide rail in a guiding manner, double-sided adhesive is arranged at the bottom of the pasting mechanism, the sheet material platform is assembled on the Y-direction guide rail in a movable manner along the vertical direction, and the sheet material platform is provided with a loading position which is in contact with the double-sided adhesive and a unloading position which is separated from the; the top of the stripping mechanism is wound with an adhesive tape, the stripping mechanism is movably assembled on the Y-direction guide rail along the vertical direction, and the stripping mechanism is provided with a stripping position where the adhesive tape is contacted with the double-sided adhesive to strip the protective film and a stripping position where the adhesive tape is separated from the double-sided adhesive in the vertical moving process.

2. The sheet material protective film peeling device according to claim 1, wherein the peeling mechanism comprises two adhesive tape wheels, two peeling rollers and a conveying roller, the two adhesive tape wheels are used for winding and unwinding an adhesive tape, the adhesive tape wheels, the peeling rollers and the conveying roller are parallel to each other and extend along the X direction, and the peeling rollers are positioned on the upper sides of the adhesive tape wheels and the conveying roller.

3. The sheet protective film peeling apparatus according to claim 1, wherein said application mechanism comprises an application roller and a web arranged to be wound around said application roller in parallel with each other, said application roller extending in an X-direction, said double-sided adhesive being arranged on said web.

4. The sheet protective film peeling device according to any one of claims 1 to 3, wherein said sheet platform comprises a housing having a vacuum chamber and a vacuum system connected to said vacuum chamber, and an opening communicating with said vacuum chamber is formed at the top of said housing.

5. The sheet stock protective film peeling apparatus as claimed in claim 4, wherein said sheet stock platform further comprises a rotary table, said housing being rotatably mounted on said rotary table, said rotary table being provided with a rotation driving means drivingly connected to said housing.

6. The sheet protective film peeling apparatus as claimed in claim 5, wherein said rotary drive means comprises a rotary motor and a harmonic reducer, said harmonic reducer drivingly connecting said rotary motor and said housing.

7. The sheet stock protective film peeling apparatus as claimed in claim 5, wherein an industrial camera is further disposed on said frame, said industrial camera is disposed above said sheet stock platform, said sheet stock protective film peeling apparatus further comprises an image processing system connected to said industrial camera, said image processing system is in signal connection with said rotary driving device, said image processing system is used for acquiring position signals of the sheet stock on the sheet stock platform and transmitting rotational angle signals to said rotary driving device.

8. The sheet stock protective film peeling apparatus as claimed in claim 7, wherein said sheet stock platform is further provided with a light source on its upper side.

9. The sheet protective film peeling apparatus as claimed in claim 8, wherein said light sources are two and have a strip-like configuration, and the two light sources are arranged perpendicularly to each other.