CN112192855A

CN112192855A - Foam laminating device for touch screen

Info

Publication number: CN112192855A
Application number: CN202011173571.7A
Authority: CN
Inventors: 张传刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-08
Anticipated expiration: 2040-10-28
Also published as: CN112192855B

Abstract

The invention discloses a foam attaching device for a touch screen, which comprises a workbench for fixing a workpiece, at least one X-axis attaching arm for attaching a foam strip to the side edge, parallel to the X axis, of the top surface of the workpiece, and at least one Y-axis attaching arm for attaching the foam strip to the side edge, parallel to the Y axis, of the top surface of the workpiece; the structure of X axle laminating arm with the structure of Y axle laminating arm is the same, just X axle laminating arm with Y axle laminating arm all includes and is used for the laminating device of bubble cotton strip laminating on the work piece and is used for the cutting device who cuts off bubble cotton strip after the laminating is accomplished. According to the invention, the foam cotton strips can be conveniently and correspondingly attached to the side edges of the top surface of the workpiece through the attaching devices and the cutting devices in the X-axis attaching arm and the Y-axis attaching arm without manual attachment, and meanwhile, the foam cotton strip attaching device is simple in operation, high in automation degree, material-saving, and better in attaching efficiency and attaching precision, thereby greatly improving the processing efficiency and having strong practicability.

Description

Foam laminating device for touch screen

Technical Field

The invention relates to the technical field of laminating devices, in particular to a foam laminating device for a touch screen.

Background

As is well known, in the production process of a mobile phone touch screen (or a vehicle-mounted touch screen, etc.), foam needs to be attached to the back of a product to prevent dust and interference between a liquid crystal module and the touch screen, and the foam is soft and cannot enter a visible area, so that the foam can be attached only at the edge. Traditionally, paste the bubble cotton artificially usually, but, the manual work carries out the cotton laminating of bubble, and the laminating position is not accurate, and not only the yield is low, is not conform to the continuous operation production process of mill, and efficiency is slow, can't satisfy the supply demand in market, extravagant a large amount of manpowers, increases economic cost simultaneously, and the use limitation is higher, leads to available reliability lower.

Disclosure of Invention

In view of the problems in the prior art, an object of the present invention is to provide a foam attaching device for a touch screen, which can mechanically and automatically attach foam to a workpiece without manual attachment, and has the advantages of high automation degree, simple operation, high attachment precision, high attachment efficiency, material saving, and the like, and is highly practical.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a foam attaching device for a touch screen comprises a workbench for fixing a workpiece, at least one X-axis attaching arm for attaching a foam strip to the side edge, parallel to the X axis, of the top surface of the workpiece, and at least one Y-axis attaching arm for attaching the foam strip to the side edge, parallel to the Y axis, of the top surface of the workpiece; the structure of X axle laminating arm with the structure of Y axle laminating arm is the same, just X axle laminating arm with Y axle laminating arm all includes and is used for the laminating device of bubble cotton strip laminating on the work piece and is used for the cutting device who cuts off bubble cotton strip after the laminating is accomplished.

As a specific embodiment, the attaching device comprises an attaching fixed plate, a swing arm, a feeding cylinder, a first slide block, a second slide block, a pressing cylinder, a pressing wheel and a feeding block; the feeding cylinder is installed on one end face of the attaching fixed plate, an output shaft of the feeding cylinder is hinged with the middle or the rear end of the swing arm through the second sliding block, the first sliding block is obliquely and slidably installed on the attaching fixed plate through a first sliding rail assembly, the first sliding block is cooperatively hinged with the front end of the swing arm, the second sliding block is obliquely and slidably installed on the attaching fixed plate through a second sliding rail assembly, and the feeding cylinder can drive the swing arm to swing up and down; the feeding block is correspondingly arranged on the swing arm, and a feeding groove which extends along the front-back direction and is used for penetrating the foam strip is arranged on the feeding block; the material pressing cylinder is arranged at the front end of the laminating fixing plate; the pressing wheel is positioned in front of the feeding block and fixed on an output shaft of the pressing cylinder, and the pressing cylinder can drive the pressing wheel to move up and down; the cutting devices are correspondingly arranged on the joint fixing plate; x axle laminating arm with Y axle laminating arm all still includes a main fixed plate, the laminating fixed plate is installed correspondingly on the main fixed plate.

Furthermore, the laminating device also comprises at least one-way bearing which is arranged on the swing arm and is positioned at the rear side of the feeding end of the feeding chute.

Furthermore, the laminating device also comprises a vacuum material sucking mechanism; the vacuum material sucking mechanism comprises a gas sucking channel which is arranged on the feeding block and one end of which is communicated with the upper end of the feeding groove; the feeding block comprises a feeding fixed block connected with the swing arm and an air sealing block connected to the bottom of the feeding fixed block; the air suction channel comprises a first air suction hole and an air suction cavity which are positioned on the feeding fixed block and are mutually communicated, and a second air suction hole which is positioned on the air sealing block and is connected with the first air suction hole and the feeding groove at two ends respectively; the width of the second air suction hole is smaller than that of the tampon; an extension part extends downwards from one side of the bottom of the air sealing block; the feeding block also comprises a detachable adjusting block which is arranged on the other side of the bottom of the air sealing block, and the adjusting block can slide back and forth in the direction of the extending part through the adjustment of an adjusting piece; the feeding groove is formed between the adjusting block and the extending part.

Furthermore, the cutting device comprises a stop block and a cutter which are matched with each other, and a cutter driving mechanism for driving the cutter; the stop block is arranged on one end face of the joint fixing plate in a vertically sliding manner through a second slide rail component; a fixed rod penetrates through the blocking block, the upper end of the fixed rod is connected with the attaching fixed plate, and a spring sleeved on the fixed rod is further arranged in the blocking block; the bottom surface of the first sliding block is provided with a sliding surface, and the sliding surface comprises a plane and an inwards concave cambered surface which are sequentially connected from front to back; a needle bearing correspondingly matched with the sliding surface is also arranged on the end surface of the stop block; the cutter is positioned below the stop block; the cutter is arranged on the cutter driving mechanism and is positioned between the feeding groove and the pressing wheel; the cutter driving mechanism can correspondingly drive the cutter to horizontally move and vertically move towards the direction of the stop block, and the cutter can be matched with the stop block to cut off the foam strips when moving upwards.

Furthermore, the cutter driving mechanism comprises a cutter fixing plate, a cutter cylinder, a retraction block, a wheel groove block, a cutter upper block and a cutter lower block; the cutter fixing plate is arranged on the other end face of the attaching fixing plate; the retraction block is arranged at the bottom of the cutter fixing plate in a manner of horizontally sliding back and forth towards the direction of the feeding block through a third slide rail component; the upper cutter block and the lower cutter block are matched with each other and are correspondingly arranged on one side of the cutter fixing plate in a way of sliding up and down through a fourth slide rail assembly, an upper hook part and a lower hook part which are matched with each other are respectively arranged at the lower end of the upper cutter block and the upper end of the lower cutter block, and the cutter is arranged on the side surface of the lower cutter block facing the feeding block; the cutter cylinder is fixed on the retraction block, and an output shaft of the cutter cylinder is connected with the cutter upper block, so that the cutter cylinder can drive the cutter upper block to slide up and down; the wheel groove block is arranged on one side of the cutter fixing plate, a wheel groove is formed in the wheel groove block, and the wheel groove is provided with a vertical section and an inclined section which are sequentially connected from top to bottom; the cutter upper block is also provided with a wheel groove bearing which can be slidably inserted into the wheel groove; when the wheel groove bearing slides in the inclined section, the cutter can horizontally move towards the direction of the stop block; when the wheel groove bearing slides in the vertical section, the cutter can move up and down.

Furthermore, an up-and-down driving cylinder for driving the attaching device and the cutting device to slide up and down is further arranged on the main fixing plate.

Furthermore, the X-axis attaching arm and the Y-axis attaching arm respectively comprise a film tearing device; the film tearing device comprises a unwinding disc, a winding assembly, a guide assembly and an in-place inductor which are respectively arranged on the main fixing plate and are respectively positioned on the rear side of the pasting device; the guide assembly comprises at least one guide wheel fixed between the unwinding disc and the attaching device; the winding assembly is positioned below the unwinding disc and comprises a winding motor which is fixed on the main fixing plate and positioned at the rear side of the guide assembly and a winding disc which is fixed on an output shaft of the winding motor; the in-place sensor is positioned between the guide assembly and the winding motor.

Furthermore, a lifting device for adjusting the height of the workbench is also arranged at the bottom of the workbench; the bottom of the lifting device is also provided with an X-axis module used for driving the lifting device to slide along an X axis; and a Y-axis module used for driving the Y-axis laminating arm to slide along the Y axis is further installed at the bottom of the main fixing plate of the Y-axis laminating arm.

As a specific embodiment, two X-axis attaching arms are provided, and the two X-axis attaching arms are symmetrically arranged with the X-axis as a symmetry axis; y axle laminating arm is equipped with two and two Y axle laminating arm uses the Y axle to set up as symmetry axis symmetry.

The invention has the beneficial effects that:

according to the invention, through the matching of the X-axis laminating arm and the Y-axis laminating arm, a foam strip can be respectively laminated on four side edges of the top surface of the workpiece, and four independent foam strips form a frame shape. Meanwhile, the invention has the advantages of high precision, simple operation, material saving, good laminating effect and the like, and is strong in practicability.

The laminating device utilizes the feeding cylinder to drive the swing arm to swing, so that the feeding block connected to the swing arm swings, the purpose of enabling the foam strips to do arc motion is achieved, feeding before the laminating process is finished when the foam strips swing to the preset position, and the feeding mode is stable, effective, high in precision and not prone to errors. Meanwhile, the arc-shaped feeding mode can ensure that the butting precision between the foam strips parallel to the X axis and the foam strips parallel to the Y axis on the top surface of the workpiece is higher, and a larger gap is not easy to appear between the foam strips and the X axis, so that the product quality is ensured; in the laminating process, the foam cotton strips are pressed on the workpiece by the pressing wheel, so that the foam cotton strips are prevented from being distorted, the flatness of the foam cotton strips is improved, and the quality of products is also improved; simultaneously, after the bubble cotton strip of predetermineeing length has been laminated on the work piece, the swing arm can upwards reset, just so can drive that part bubble cotton strip that just does not laminate with the work piece between feedblock and the work piece upwarps to reserve out the space and supply the cutter to insert bubble cotton strip below, so that carry out subsequent bubble cotton strip process of cutting off.

The vacuum material sucking mechanism can conveniently fix the foam cotton strips in the feeding groove, provide a certain pulling force, prevent the foam cotton strips from falling off, and increase a certain resistance for the foam cotton strips so as to pull the foam cotton strips in the feeding groove, thereby being convenient to realize attachment; because the foam cotton strip material is elastic, if the resistance is too big, can warp when dragging, if the resistance is too little, the foam cotton strip is in the state of slightly tightening when can not realizing laminating again, so adopt the mode of vacuum material suction just can provide certain pulling force for the foam cotton strip well, be unlikely to again to let the pulling force too big.

The cutting device can conveniently cut off the foam strips through the matching of the cutter and the stop block, and the cutter can be horizontally inserted below the corresponding position of the foam strips when the cutter cylinder drives the wheel groove bearing to slide at the inclined section in the wheel groove; when the cutter cylinder drives the vertical section of wheel groove bearing in the wheel groove to slide, the cutter upwards slides, just so can cooperate the dog to cut off the bubble cotton sliver, and because the cutting device is whole to be the slope setting, so the cutter is actually to the top gliding that inclines, and it is perpendicular rather than the bubble cotton sliver that needs cut off basically at its slip in-process, can prevent like this that the bubble cotton sliver from gluing on the cutter to the effect of cutting off of this kind of mode is better. Through set up plane and indent cambered surface on first slider, set up one respectively with plane and indent cambered surface complex race bearing and still be provided with dead lever and spring in the dog on the dog, thereby can conveniently drive the synchronous slip of dog through the slip of first slider, and the spring can provide elasticity for the dog, when the swing arm carries out the pay-off, race bearing also can pass through to the indent cambered surface in, thereby the elasticity of usable spring drives the dog and rises, consequently also can avoid the bubble cotton strip to hit on the dog. Therefore, the cutting device has the advantages of ingenious design, high matching precision, high cutting efficiency and good cutting effect.

The release film on the foam cotton strip can be conveniently torn off by arranging the film tearing device, so that the foam cotton strip is conveniently attached to the workpiece. According to the invention, the release film is wound by using the winding disc, and the unwinding is controlled by using the tear film, so that the release film is always in a tense state, the foam strips are in a free state, and the release film and the foam strips cannot be mutually dried and influenced, so that the foam strips cannot be retracted or deformed, and are not easy to distort when being attached to a workpiece; furthermore, the film tearing device can also play a role in reserving the length required by bonding of the foam strips, namely, the separation part of the foam strips and the release film is close to the winding disc by pulling the release film every time, so that the foam strips can be bonded even if the winding disc is not unwound in the bonding process, and the foam strips corresponding to the distance between the winding disc and the first guide wheel can be bonded once enough, namely, the foam strips with enough length can be stored before being bonded for bonding the foam strips once, so that the condition that the foam strips are not smoothly unwound can be prevented from occurring when the foam strips are bonded every time, namely, the device can smoothly pull the foam strips, the condition that the foam strips are twisted during bonding is avoided, and the flatness of the foam strips is improved.

And sixthly, the height of the workbench is controlled by arranging the lifting device, so that the device is suitable for workpieces with different thicknesses, and the attaching quality of the foam strips can be improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a bonding apparatus according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 with the swing arm and feedblock removed;

FIG. 4 is a schematic view of the mounting structure of the stopper, fixing rod and spring of the present invention;

FIG. 5 is a schematic view showing the overall structure of the attaching means and the cutting means of the present invention;

FIG. 6 is an exploded view of the doubler and chopper of the present invention;

FIG. 7 is a schematic view of the cutting apparatus of the present invention;

FIG. 8 is an exploded view of the cutting device of the present invention;

FIG. 9 is a cross-sectional view of the feedblock of the present invention;

FIG. 10 is an exploded view of the feedblock of the present invention;

FIG. 11 is a schematic view of the construction of the film tearing apparatus of the present invention;

FIG. 12 is a schematic view of the construction of the lift of the present invention;

FIG. 13 is a first schematic view of the use of the cutting apparatus of the present invention;

fig. 14 is a second schematic diagram of the principle of use of the cutting device of the present invention.

Reference numerals:

1. a work table; 2. a bonding device; 21. attaching a fixed plate; 22. swinging arms; 23. a feeding cylinder; 24. a first slider; 25. a material pressing cylinder; 26. a pinch roller; 27. a feeding block; 271. a feed chute; 272. an air suction passage; 273. feeding a fixed block; 274. sealing the air block; 275. an extension portion; 276. an adjusting block; 277. a strip-shaped adjusting hole; 278. a lock hole; 28. a first slide rail assembly; 29. a one-way bearing; 30. a second slider; 31. a second slide rail assembly; 4. a cutting device; 41. a stopper; 42. a cutter; 43. a second slide rail assembly; 44. fixing the rod; 45. a spring; 46. a plane; 47. an inner concave cambered surface; 48. a needle bearing; 49. a cutter fixing plate; 50. a cutter cylinder; 51. a retraction block; 52. a wheel groove block; 521. a wheel groove; 5212. a vertical section; 5213. an inclined section; 53. cutting the cutter into blocks; 531. an upper hook portion; 532. an upper abdicating groove; 54. cutting a cutter lower block; 541. a lower hook portion; 542. a lower abdicating groove; 55. a third slide rail assembly; 56. a fourth slide rail assembly; 57. a race bearing; 6. a main fixing plate; 7. a film tearing device; 71. placing the reel; 72. an in-place sensor; 73. a winding motor; 74. a winding disc; 75. a guide wheel; 8. a lifting device; 81. an inverted U-shaped seat; 82. adjusting the screw rod; 83. an adjusting handle; 84. adjusting the inclined block; 85. adjusting the nut; 86. adjusting the pulley assembly; 100. a workpiece; 101. cotton sliver soaking; 102. and (4) a release film.

Detailed Description

The invention will be further elucidated with reference to the drawings and the embodiments, which are exemplary only and do not limit the scope of the invention.

As shown in fig. 1-12, a foam attaching device for a touch screen comprises a workbench 1 for fixing a workpiece 100, at least one X-axis attaching arm for attaching a foam strip 101 on a side edge parallel to an X-axis in a top surface of the workpiece 100, and at least one Y-axis attaching arm for attaching the foam strip 101 on a side edge parallel to a Y-axis in the top surface of the workpiece 100; the structure of the X-axis attaching arm is the same as that of the Y-axis attaching arm, and the X-axis attaching arm and the Y-axis attaching arm respectively comprise an attaching device 2 used for attaching the foam strips 101 to the workpiece 101 and a cutting device 4 used for cutting off the foam strips 101 after the attaching is finished. The foam strips 101 can be conveniently attached to the workpiece 100 by arranging the X-axis attaching arm and the Y-axis attaching arm, so that the X-axis attaching arm and the Y-axis attaching arm can replace manual work to attach foam, the attaching mode is high in efficiency and precision, and the yield of products can be improved; the foam strip 101 can be attached to the workpiece 100 by the attaching device 2 in the attaching process, and after the foam strip 101 is attached to the workpiece 100 at a preset position, the foam strip 101 is cut by the cutting device 4, so that the foam strip 101 of the next workpiece can be attached. Simultaneously, because bubble cotton sliver 101 is banding, can constitute the bubble cotton of a frame type structure after pasting a bubble cotton sliver 101 respectively at the four sides edge of work piece 100's top surface, the cotton mode of this kind of laminating bubble has faster and better laminating effect than the cotton mode of disposable laminating a whole frame type bubble among the prior art, and is not fragile to the bubble cotton and influences the cotton wholeness of bubble.

As shown in fig. 2-5, the bonding device 2 includes a bonding fixing plate 21, a swing arm 22, a feeding cylinder 23, a first slider 24, a second slider 30, a pressing cylinder 25, a pressing wheel 26 and a feeding block 27; the feeding cylinder 23 is installed on one end surface of the attaching fixing plate 21, an output shaft of the feeding cylinder 23 is hinged to the middle or rear end of the swing arm 22 through a second slider 30, specifically, in this embodiment, the output shaft of the feeding cylinder 23 is hinged to the middle of the swing arm 22 through the second slider 30, the first slider 24 is installed on the attaching fixing plate 21 in an inclined manner and in a slidable manner through a first slide rail assembly 28, the first slider 24 is hinged to the front end of the swing arm 22 in a matched manner, the second slider 30 is installed on the attaching fixing plate 21 in an inclined manner and in a slidable manner through a second slide rail assembly 31, and the feeding cylinder 23 can drive the swing arm 22 to swing up and down; the feeding block 27 is correspondingly arranged on the swing arm 22, a feeding groove 271 which extends along the front-back direction and is used for penetrating the tampon 101 is arranged on the feeding block 27, and specifically, the discharging end of the feeding groove 271 is close to the front end of the swing arm 22; the material pressing cylinder 25 is arranged at the front end of the attaching fixing plate 21; the pressing wheel 26 is positioned in front of the feeding block 27 and fixed on an output shaft of the pressing cylinder 25, and the pressing cylinder 25 can drive the pressing wheel 26 to move up and down; the cutting device 4 is correspondingly arranged on the joint fixing plate 21; x axle laminating arm and Y axle laminating arm all still include a main fixed plate 6, and laminating fixed plate 6 is installed on main fixed plate 6 correspondingly. The foam strip 101 can be conveniently attached to the top surface of the workpiece 100 through the arrangement, specifically, when the device is used, the front end of the foam strip 101 extends out of the discharge end of the feeding groove 271, the swing arm 22 is in an inclined state in an initial state, the feeding cylinder 23 drives the rear end of the swing arm 22 to swing downwards to enable the first sliding block 24 to slide forwards, the feeding block 27 is synchronously driven to swing, and further the foam strip 101 in the feeding block 27 synchronously moves forwards in an arc shape, so that the front end of the foam strip 101 can swing to the lower side of the pressing wheel 26, the foam strip 101 at the moment is moved to a preset position above the top surface of the workpiece 100, the front end of the foam strip 101 is basically parallel to the workpiece 100, and feeding of the foam strip 101 is completed; then, the pressing wheel 26 is driven by the pressing cylinder 25 to move downwards, so that the front end of the tampon 101 is pressed on the workpiece 100, and then the tampon 101 can be attached to the side edge of the top surface of the workpiece 100 only by driving the workbench 1 or the attaching arm to move; when the tampon 101 is attached to the preset position, the rear swing arm 22 is reset, so that the part of the tampon 101, which is between the feeding block 27 and the workpiece 100 and is not attached to the workpiece 100, is tilted upwards, and a space for inserting a cutter is reserved; the tampon 101 is then cut by the cutting means 4, thereby completing the application of a strip of the tampon 101. Because the structure of X axle laminating arm is the same with Y axle laminating arm, consequently only need to laminate bubble cotton sliver 101 on the side of work piece 100 top surface with X axle laminating arm and Y axle laminating arm separation work. The feeding mode using the arc-shaped movement of the tampon 101 can improve the precision of the device, and can ensure that the front end of the tampon 101 does not need to extend out of the discharge end of the feeding groove 271 for too long, so as to prevent the tampon 101 from deforming because of the softness. Therefore, the feeding can be more accurate through the arrangement, and the tampon 101 can not be twisted in the attaching process. As shown in fig. 1, it should be noted that, for convenience of description, the front ends of the components in the X-axis attaching arm and the Y-axis attaching arm are both ends facing the table 1, and similarly, the positional relationship described below is the same.

As shown in fig. 2, the attaching device 2 further includes at least one-way bearing 29 installed on the swing arm 22 and located at the rear side of the feeding end of the feeding chute 271, and the number of the one-way bearings 29 can be set according to actual needs. The foam strip 101 can be guided by the one-way bearing 29, and the foam strip 101 can be prevented from backing backwards, and the sticky end surface of the foam strip 101 is bonded with the one-way bearing 29 in use.

As shown in fig. 2, 9 and 10, the attaching device 2 further includes a vacuum suction mechanism; the vacuum suction mechanism comprises a suction channel 272 which is arranged on the feeding block 27 and one end of which is communicated with the upper end of the feeding groove 271. Preferably, the feeding block 27 comprises a feeding fixed block 273 connected with the swing arm 22 and an air sealing block 274 connected to the bottom of the feeding fixed block 273; the air suction channel 272 comprises a first air suction hole and an air suction cavity which are positioned on the feeding fixed block 273 and are mutually communicated, and a second air suction hole which is positioned on the air sealing block 274 and two ends of which are respectively connected with the first air suction hole and the feeding groove 271, wherein the first air suction hole is specifically used for being connected with a vacuum generator; the width of the second air suction hole is smaller than that of the first foam strip 101, so that the foam strip 101 is prevented from being embedded into the second air suction hole; preferably, the second suction holes are provided in plurality and are uniformly distributed along the length direction of the feeding chute 271; an extension 275 extends downward from the bottom side of the air sealing block 274; the feeding block 27 further comprises a detachable adjusting block 276 arranged on the other side of the bottom of the air sealing block 274, and the adjusting block 276 can slide back and forth in the direction of the extending part 275 through the adjustment of an adjusting piece; the adjusting block 276 and the extending portion 275 form a feeding groove 271. Specifically, the adjusting piece is a bolt, a strip-shaped adjusting hole 277 corresponding to each other is respectively arranged on the feeding fixed block 273 and the air sealing block 274, a lock hole 278 corresponding to the strip-shaped adjusting hole 277 is arranged in the adjusting block 276, when the adjusting piece is adjusted, the adjusting piece slides in the two strip-shaped adjusting holes 277 and adjusts the position correspondingly, and then the adjusting piece and the lock hole 278 of the adjusting block 276 are locked, so that the adjusting is completed. The width of the feed chute 271 can be conveniently adjusted through the arrangement, so that the feed chute 271 can be suitable for the tampons with different widths; the air suction channel can generate negative pressure through the cooperation of the vacuum generator to conveniently fix the foam strip 101 in the feeding groove 271, and provide a certain pulling force, so that the foam strip 101 is prevented from falling down, meanwhile, a certain resistance can be added to the foam strip 101, and the foam strip 101 is pulled in the feeding groove 271, and the attachment is realized; because the material of the foam cotton strip 101 is elastic, if the resistance is too large, the foam cotton strip can deform during pulling, and if the resistance is too small, the foam cotton strip 101 is in a micro-tightening state when the foam cotton strip is attached, so that a certain pulling force can be provided for the foam cotton strip well by adopting a vacuum material suction mode.

As shown in fig. 5-8, the cutting device 4 comprises a stopper 41 and a cutter 42, which are matched with each other, and a cutter driving mechanism for driving the cutter 42; the stopper 41 is mounted on an end surface of the joint fixing plate 21 through a second slide rail assembly 43 in a vertically slidable manner; a fixed rod 44 penetrates through the block 41, the upper end of the fixed rod 44 is connected with the joint fixed plate 21, and a spring 45 sleeved on the fixed rod 44 is arranged in the block 41; the bottom surface of the first sliding block 24 is provided with a sliding surface, and the sliding surface comprises a plane 46 and an inwards concave cambered surface 47 which are sequentially connected from front to back; a needle bearing 48 correspondingly matched with the sliding surface is also arranged on the end surface of the stop block 41; the cutter 42 is positioned below the stop block 41; the cutter 42 is arranged on the cutter driving mechanism, and the cutter 42 is positioned between the feeding groove 271 and the pressing wheel 26; the cutter driving mechanism can drive the cutter 42 to move horizontally and vertically in the direction of the stop 41, and the cutter 42 can cut off the tampon 101 by matching with the stop 41 when moving upwards. In this embodiment, the stopper 41 has a main body and a stopper portion at the bottom of the main body. Through the arrangement, the tampon 101 can be conveniently cut off, particularly, when the swing arm 22 swings downwards, namely the first slider 24 slides forwards in use, the needle bearing 48 is transited from the plane 46 to the concave cambered surface 47, and then the stopper 41 slides upwards by utilizing the extension of the spring 45 to leave a space, so that the stopper 41 can be prevented from stopping the front end of the tampon 101; when the bonding device 2 is bonded with the foam sliver 101 and needs to be cut off, the swing arm 22 resets and swings upwards, so that the position, between the feeding block 27 and the workpiece 100, of the foam sliver 101 is tilted upwards to leave a space for the cutter 42 to insert, when the swing arm 22 resets, the first sliding block 24 is driven to slide backwards, the needle bearing 48 is made to transition from the concave arc surface 47 to the plane 46, the first sliding block 24 synchronously presses the stopper 41 downwards for a certain distance, and then the cutter driving mechanism drives the cutter 42 to move horizontally, so that the cutter 42 moves towards the feeding block 27 and is inserted below the foam sliver 101, finally, the cutter driving mechanism drives the cutter 42 to move upwards and enables the cutter 42 to finally contact with the stopper 41, namely, the folding state is achieved, the foam sliver 101 can be cut off, and the cutting mode can also prevent the foam sliver 101 from being bonded on the cutter 42. According to the invention, the cutter driving device is used for driving the cutter 42 to horizontally move and vertically move, so that the cutter 42 can be prevented from blocking the foam strips 101 when the foam strips 101 swing, therefore, the cutter 42 is positioned at one side of the front end of the foam strips 101 in the original state, the foam strips 101 can not collide with the cutter, and the needle roller bearing 48 is positioned at the concave cambered surface 47, namely, the space between the stopper 41 and the cutter 42 is in an open state, so that the stopper 41 can not be collided with the foam strips 101.

Preferably, as shown in fig. 5-8, the cutter driving mechanism includes a cutter fixing plate 49, a cutter cylinder 50, a retraction block 51, a wheel groove block 52, a cutter upper block 53 and a cutter lower block 54; the cutter fixing plate 49 is arranged on the other end face of the joint fixing plate 21; the retraction block 51 is mounted at the bottom of the cutter fixing plate 49 through a third slide rail assembly 55 in a manner of horizontally sliding back and forth towards the direction of the feeding block 27, more specifically, the retraction block 51 in the X-axis joint arm can slide along the Y-axis, and the retraction block 51 in the Y-axis joint arm can slide along the X-axis; the upper cutter block 53 and the lower cutter block 54 are matched with each other and are correspondingly arranged on one side of the cutter fixing plate 49 in a way of sliding up and down through a fourth slide rail component 56, an upper hook part 531 and a lower hook part 541 which are matched with each other are respectively arranged at the lower end of the upper cutter block 53 and the upper end of the lower cutter block 54, and the cutter 42 is arranged on the side surface of the lower cutter block 54 facing the feeding block 27; the cutter cylinder 50 is fixed on the retraction block 51, and an output shaft of the cutter cylinder 50 is connected with the cutter upper block 53, so that the cutter cylinder 50 can drive the cutter upper block 53 to slide up and down; the wheel groove block 52 is arranged at one side of the cutter fixing plate 49, a wheel groove 521 is arranged in the wheel groove block 52, and the wheel groove 521 is provided with a vertical section 5212 and an inclined section 5213 which are sequentially connected from top to bottom; the cutter upper block 53 is also provided with a wheel groove bearing 57 which can be inserted into the wheel groove 521 in a sliding way; when the race bearing 57 slides in the inclined section 5212, the cutter 42 can move horizontally toward the stopper 41, specifically, move back from one end surface of the attachment fixing plate 21 to the other end surface thereof, that is, the cutter 42 is located on one side of the stopper 41 in the original state; the cutter 42 is moved up and down as the race bearing 57 slides within the vertical section 5213. Through the arrangement, the cutter driving mechanism can be conveniently used for driving the cutter 42 to move, specifically, when the cutting device is used, the cutter cylinder 50 drives the cutter upper block 53 to move upwards, the wheel groove bearing 57 slides in the inclined section 5213, the retraction block 51 slides towards the direction of the feeding block 27, the cutter lower block 54 is arranged on the retraction block 51, and the cutter 42 is arranged on the cutter lower block 54, so that the cutter 42 also synchronously moves towards the direction of the feeding block 27, the cutter 42 can be inserted below the corresponding position of the foam strips 101, then the wheel groove bearing 57 moves to the vertical section 5212, and when the wheel groove bearing 57 slides in the vertical section 5212, the cutter upper block 53 hooks the lower hook portion 541 of the cutter lower block 54 through the upper hook portion 531, the cutter lower block 54 is driven to move upwards, and the cutter 42 moves upwards towards the stop block 41 to complete cutting; when the cutter 42 needs to be reset, the cutter cylinder 50 drives the trough bearing 57 to sequentially slide along the vertical section 5212 and the inclined section 5213, so that the cutter 42 firstly moves downwards and then moves away from the feeding block 27 to be separated from the tampon 101.

In this embodiment, the retraction block 51, the pulley groove block 52 and the cutter upper block 53 are all L-shaped, and the upper end of the pulley groove block 52 can limit the upper end of the cutter upper block 53, so as to prevent the cutter upper block 53 from exceeding a preset stroke.

In the present embodiment, as shown in fig. 5 and fig. 6, the cutting device 4 is inclined from back to front and from top to bottom, so that the cutting knife cooperates with the block 41 to cut the tampon 101 perpendicularly to the portion of the tampon 101 corresponding thereto, thereby cutting the tampon 101 quickly, i.e. the cutting effect is better, and the mutual adhesion between the tampon 101 and the cutting knife 42 can be prevented, and the non-adhesive surface of the tampon 101 will not adhere to the block 41. Therefore, the stopper 11 and the cutter 12 actually move obliquely upward when moving up and down.

The main fixing block 6 is further provided with a vertical driving cylinder (not shown) for driving the attaching device 2 and the cutting device 4 to slide vertically. The specific setting mode is that the up-and-down driving cylinder is fixed on the main fixing plate 6, the output shaft of the up-and-down driving cylinder is connected with the laminating fixing plate 21 and can drive the laminating fixing plate 21 to slide up and down, so that the laminating device 2 and the cutting device 4 synchronously slide up and down, and of course, a sliding rail assembly can be arranged between the laminating fixing plate 21 and the main fixing plate 6 so that the laminating fixing plate 21 can slide more smoothly.

As shown in fig. 12, the X-axis attaching arm and the Y-axis attaching arm each further include a film tearing device 7; the film tearing device 7 comprises an unwinding disc 71, a winding assembly, a guiding assembly and an in-place sensor 72 which are respectively arranged on the main fixing plate 6 and are respectively positioned at the rear side of the laminating device 2; the guiding assembly comprises at least one guiding wheel 75 fixed between the unwinding disc 71 and the laminating device 2; the winding component is positioned below the unwinding disc 71 and comprises a winding motor 73 which is fixed on the main fixing plate 6 and positioned at the rear side of the guide component and a winding disc 74 which is fixed on an output shaft of the winding motor 73; the in-position sensor 72 is located between the guide assembly and the take-up motor 73. The release film (namely, the protective film) 102 adhered on the foam strip 101 can be conveniently torn off by arranging the film tearing device 7, and the foam strip 101 torn off the release film 102 can be attached to the side edge of the workpiece 100 by using the sticky end surface of the foam strip. Specifically, when the device is used, the release film 102 is wound by the winding motor 73, the foam strip 101 is driven to be discharged from the unwinding disc 71, when the arrival sensor 72 senses the foam strip 101, the winding motor 73 stops, and the foam strip 101 separated from the release film 102 penetrates into the feeding groove 271 through the one-way bearing 29.

As shown in fig. 1 and 12, a lifting device 8 for adjusting the height of the work table 1 is further provided at the bottom of the work table 1. Specifically, the lifting device 8 comprises an inverted U-shaped seat 81, an adjusting screw 82, an adjusting handle 83, an adjusting oblique block 84, an adjusting nut 85 and an adjusting slide rail assembly 86; adjusting screw 82 is horizontally installed on inverted U-shaped seat 81, adjusting handle 83 is installed at one end of adjusting screw 82, adjusting nut 85 is installed on adjusting screw 82 in a slidable manner, adjusting sloping block 84 is fixed at the bottom of workbench 1 and the bottom surface of adjusting sloping block 84 is an inclined plane, adjusting sloping block 84 and adjusting nut 85 are connected through adjusting slide rail assembly 86, adjusting slide rail assembly 86 includes slide rail and slider, the slide rail is installed on the bottom surface of adjusting sloping block 84, and the slider is installed on the slide rail and is connected with adjusting nut 85. Of course, a slide rail assembly connected with the inverted U-shaped seat 81 may be respectively disposed on two sides of the adjusting inclined block 84, so that the lifting of the working platform 1 is more stable; meanwhile, a sliding rail assembly connected with the inverted U-shaped seat 81 can be arranged at the bottom of the adjusting nut 85, so that the adjusting nut 85 can slide more stably. This elevating gear 8 specifically rotates adjustment handle 85 when using for adjusting nut 85 slides on accommodate the lead screw 82, and adjusting nut 85 drives the slider in adjusting the slide rail set 86 in step when sliding and removes on the slide rail, because the bottom surface of adjusting sloping block 84 is the inclined plane, consequently, slides the in-process at the slider, can drive workstation 1 and adjust sloping block 84 and slide from top to bottom simultaneously, forms the lift effect of workstation 1.

As shown in fig. 1, an X-axis module 9 for driving the lifting device 8 to slide along the X-axis is further installed at the bottom of the lifting device 8, that is, the table 1 is synchronously driven to slide along the X-axis when the lifting device 8 is driven by the X-axis module 9; and a Y-axis module 10 for driving the Y-axis joint arm to slide along the Y axis is further installed at the bottom of the main fixing plate 6 of the Y-axis joint arm. Through the arrangement of the X-axis module 9 and the Y-axis module 10, the X-axis module and the Y-axis module can be respectively used for driving the workbench 1 to move along the X axis and the Y-axis attaching arm to move along the Y axis, so that the foam strip 101 can be conveniently attached to the workpiece 100 in the attaching process of the foam strip 101.

As shown in fig. 1, in the present embodiment, two X-axis attaching arms are provided, and the two X-axis attaching arms are symmetrically arranged with the X-axis as a symmetry axis; y axle laminating arm is equipped with two and two Y axle laminating arms and uses the Y axle to set up as symmetry axis symmetry. However, it will be appreciated by those skilled in the art that only one X-axis engaging arm and only one Y-axis engaging arm may be provided, and that only one engaging arm is required to engage the pledget on two parallel sides of the top surface of the workpiece during use.

Certainly, this a bubble cotton laminating device for touch-sensitive screen still includes a board, and X axle laminating arm, Y axle laminating arm and workstation 1 etc. are all installed on the board.

The general principle of use of the invention is described below in conjunction with fig. 13 and 14 to understand the invention:

firstly, as shown in fig. 11 and 13, a strip-shaped foam strip with a release film 102 is respectively installed on the unwinding disc 71 in the two X-axis attaching arms and the two Y-axis attaching arms, one end of the torn release film 102 is wound on the winding disc 74, and then the head end of the foam strip 101 separated from the release film 102 is correspondingly fixed in the feeding groove 271, at this time, the front end of the foam strip 101 extends out of the feeding block 27 by about nine millimeters, and the adhesive surface of the foam strip 101 is downward guided by the one-way bearing 29.

Firstly, attaching the foam strip 101 to the workpiece 100 along the X axis, namely, firstly attaching two X-axis attaching arms to the foam strip 101 on two side edges parallel to the X axis in the top surface of the workpiece 100. The X-axis module 9 drives the workbench 1 to slide along the X axis towards the direction of the X-axis joint arm, so that the workbench 1 moves to the position below the X-axis joint arm; the feeding cylinder 23 in the X-axis joint arm acts to push the swing arm 22 to swing downwards, and the front end of the swing arm 22 drives the first slider 24 to slide forwards, as shown in fig. 3, when the first slider 24 slides forwards (i.e. slides to the right in fig. 3), the needle bearing 48 correspondingly transitions from the plane 46 to the concave arc 47, and then the stopper 41 slides upwards due to the stretching force of the spring 45, so that the stopper 41 can have enough position for the foam strip 101 to move forwards after moving upwards, and the foam strip 101 is prevented from colliding with the stopper 41; meanwhile, the swing arm 22 swings downwards, so that the feeding block 27 swings synchronously, and in the swinging process of the feeding block 27, the front end of the foam strip 101 also moves in an arc shape along with the swinging, so that the front end of the foam strip 101 swings to the position below the pressing wheel 26, and the front end of the foam strip 101 is parallel to the workpiece 100; then, the up-down driving cylinder acts to drive the attaching device 2 and the cutting device 4 to slide downwards, so that the sticky bottom surface of the front end of the tampon 101 is in contact with a preset position on the top surface of the workpiece 100, and then the pressing cylinder 25 drives the pressing wheel 26 to move downwards, so that the pressing wheel 26 presses the front end of the tampon 101 to the preset position of the workpiece 100.

And (III) the X-axis module 9 drives the workbench 1 to slide along the X axis in the direction away from the X-axis joint arm, the foam strips 101 can be jointed on the workpiece 100 by utilizing the pinch roller 26 along with the sliding of the workbench 1, and the two X-axis joint arms work simultaneously, so that one foam strip 101 can be jointed on two opposite side edges in the top surface of the workpiece 100 at one time.

(IV) as shown in FIG. 14, after the working platform 1 slides to the preset position, the foam strips 101 are also attached to the proper positions on the top surface of the workpiece 100; then, the feeding cylinder 23 is reset to drive the swing arm 22 to swing upwards, so that the foam sliver 101 extends out of the front end of the feeding block 27 but the part which is not connected with the workpiece 100 is tilted upwards (a space is reserved for the insertion of the cutter 42), the first slide block 24 also synchronously slides backwards (namely slides towards the left in fig. 3), the needle bearing 48 at the moment correspondingly transitions from the concave cambered surface 47 to the plane 46, so that the first slide block 24 presses the stop block 41 to slide downwards to be close to the foam sliver 101, and the spring 45 is compressed; meanwhile, the cutter cylinder 50 drives the cutter upper block 53 to move upwards, the wheel groove bearing 57 slides in the inclined section 5213 to drive the retraction block 51 to slide towards the direction of the feeding block 27, and since the cutter upper block 53 and the cutter lower block 54 are both installed on the retraction block 51 and the cutter 42 is installed on the cutter lower block 54, the cutter 42 also moves horizontally towards the direction of the feeding block 27, when the wheel groove bearing 57 moves to the tail end in the inclined section 5213, as shown in fig. 14, the cutter 42 is just inserted below the part of the foam sliver, which is the foam sliver 101 and extends out of the front end of the feeding block 27 but is not connected with the workpiece 100 (namely the cutter 42 is originally outside the foam sliver 101 before the cutter 42 does not move), at this time, the block 41 also corresponds to the cutter 42 close to the foam sliver 101, and the cutters 42 and the block 41 are both perpendicular to the position corresponding to the foam sliver 101; subsequently, the wheel groove bearing 57 slides in the vertical section 5212 to drive the upper cutter block 53 to slide, and the upper hook portion 531 hooks the lower hook portion 541 to slide the lower cutter block 54, so that the cutter 42 slides towards the stop block 41, until the cutter 42 contacts the stop block 41 (i.e. the cutter 42 and the stop block 41 are folded with each other), the cutter 42 can cut off the foam strips 101; then, the cutter cylinder 50 is reset to reset the cutter 42; then the X-axis module drives the workbench 1 to slide a certain distance in the direction away from the X-axis attaching arm, so that the press wheel 26 completely attaches the cut foam strip 101 to the workpiece 100.

And (V) carrying out a film tearing process. As shown in fig. 11, since the tampon 101 will have a similar effect of pulling the tampon 101 during the fitting process, the separation a between the tampon 101 and the release film 102 will be changed forward by a certain distance (i.e. to the right in fig. 11), so that the tampon 101 will not be sensed by the position sensor 72. After the cutting device 4 in the X-axis attaching arm cuts off the foam strip 101, the winding motor 73 is started to drive the winding disc 74 to rotate, so that the release film 102 is wound on the winding disc 74, the front end of the foam strip 101 is fixed by the vacuum material sucking mechanism, the separation part A can also change backwards along with the winding of the release film 102, when the foam strip 101 is sensed by the in-place sensor 72, the winding motor 73 stops, at this time, film tearing is completed once, and two X-axis attaching arms also complete foam strip attaching work once.

And (VI) operating the two Y-axis joint arms. Since the attaching device 2, the cutting device 4, and the film tearing device 7 in the Y-axis attaching arm work in the same manner as the device in the X-axis attaching arm, detailed description is omitted here, and the difference between the two is that the Y-axis attaching arm uses the Y-axis module 10 to drive the Y-axis attaching arm to slide along the Y-axis to attach the foam strip 101, so that the table 1 does not need to be operated when attaching the foam strip 101 to the side parallel to the Y-axis in the top surface of the workpiece 100, but a skilled person in the art should know that the Y-axis module 10 may also be installed at the bottom of the X-axis module 9 and the Y-axis module 10 drives the X-axis module 9 to slide along the Y-axis, so that the table 1 can slide along the Y-axis, and thus the foam strip 101 can also be attached to the side parallel to the Y-axis in the top surface of the workpiece 100. In the foam strip attaching process of the Y-axis attaching arm, the newly attached foam strips 101 can be perpendicular to and attached to the already attached foam strips 101 on the top surface of the workpiece 100, so that the four foam strips 101 form a frame shape, and gaps are prevented.

In summary, the four side edges of the top surface of the workpiece 100 are respectively attached with one tampon 101, so that the four tampons 101 form a frame shape; meanwhile, the invention completely realizes the automatic pasting of the foam, the processing efficiency is greatly improved, the invention also has the advantages of high precision, simple operation, material saving and the like, and the material saving is characterized in that the cutting of the foam can be convenient to a certain extent by utilizing the strip-shaped foam pasting mode, because the traditional foam is generally frame-shaped, the waste can be avoided in the cutting process, and the strip-shaped foam used by the invention can greatly reduce the waste of the foam.

The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a bubble cotton laminating device for touch-sensitive screen which characterized in that:

the device comprises a workbench for fixing a workpiece, at least one X-axis joint arm for jointing a foam strip on the side edge parallel to the X axis in the top surface of the workpiece, and at least one Y-axis joint arm for jointing the foam strip on the side edge parallel to the Y axis in the top surface of the workpiece; the structure of X axle laminating arm with the structure of Y axle laminating arm is the same, just X axle laminating arm with Y axle laminating arm all includes and is used for the laminating device of bubble cotton strip laminating on the work piece and is used for the cutting device who cuts off bubble cotton strip after the laminating is accomplished.

2. The foam attaching device for a touch screen according to claim 1, wherein:

the laminating device comprises a laminating fixed plate, a swing arm, a feeding cylinder, a first sliding block, a second sliding block, a pressing cylinder, a pressing wheel and a feeding block; the feeding cylinder is installed on one end face of the attaching fixed plate, an output shaft of the feeding cylinder is hinged with the middle or the rear end of the swing arm through the second sliding block, the first sliding block is obliquely and slidably installed on the attaching fixed plate through a first sliding rail assembly, the first sliding block is cooperatively hinged with the front end of the swing arm, the second sliding block is obliquely and slidably installed on the attaching fixed plate through a second sliding rail assembly, and the feeding cylinder can drive the swing arm to swing up and down; the feeding block is correspondingly arranged on the swing arm, and a feeding groove which extends along the front-back direction and is used for penetrating the foam strip is arranged on the feeding block; the material pressing cylinder is arranged at the front end of the laminating fixing plate; the pressing wheel is positioned in front of the feeding block and fixed on an output shaft of the pressing cylinder, and the pressing cylinder can drive the pressing wheel to move up and down; the cutting devices are correspondingly arranged on the joint fixing plate; x axle laminating arm with Y axle laminating arm all still includes a main fixed plate, the laminating fixed plate is installed correspondingly on the main fixed plate.

3. The foam attaching device for a touch screen according to claim 2, wherein:

the laminating device also comprises at least one-way bearing which is arranged on the swing arm and is positioned at the rear side of the feeding end of the feeding chute.

4. The foam attaching device for a touch screen according to claim 2, wherein:

the laminating device also comprises a vacuum material sucking mechanism; the vacuum material sucking mechanism comprises a gas sucking channel which is arranged on the feeding block and one end of which is communicated with the upper end of the feeding groove; the feeding block comprises a feeding fixed block connected with the swing arm and an air sealing block connected to the bottom of the feeding fixed block; the air suction channel comprises a first air suction hole and an air suction cavity which are positioned on the feeding fixed block and are mutually communicated, and a second air suction hole which is positioned on the air sealing block and is connected with the first air suction hole and the feeding groove at two ends respectively; the width of the second air suction hole is smaller than that of the tampon; an extension part extends downwards from one side of the bottom of the air sealing block; the feeding block also comprises a detachable adjusting block which is arranged on the other side of the bottom of the air sealing block, and the adjusting block can slide back and forth in the direction of the extending part through the adjustment of an adjusting piece; the feeding groove is formed between the adjusting block and the extending part.

5. The foam attaching device for a touch screen according to claim 2, wherein:

the cutting device comprises a stop block and a cutter which are matched with each other, and a cutter driving mechanism for driving the cutter; the stop block is arranged on one end face of the joint fixing plate in a vertically sliding manner through a second slide rail component; a fixed rod penetrates through the blocking block, the upper end of the fixed rod is connected with the attaching fixed plate, and a spring sleeved on the fixed rod is further arranged in the blocking block; the bottom surface of the first sliding block is provided with a sliding surface, and the sliding surface comprises a plane and an inwards concave cambered surface which are sequentially connected from front to back; a needle bearing correspondingly matched with the sliding surface is also arranged on the end surface of the stop block; the cutter is positioned below the stop block; the cutter is arranged on the cutter driving mechanism and is positioned between the feeding groove and the pressing wheel; the cutter driving mechanism can correspondingly drive the cutter to horizontally move and vertically move towards the direction of the stop block, and the cutter can be matched with the stop block to cut off the foam strips when moving upwards.

6. The foam attaching device for a touch screen according to claim 5, wherein:

the cutter driving mechanism comprises a cutter fixing plate, a cutter cylinder, a retraction block, a wheel groove block, a cutter upper block and a cutter lower block; the cutter fixing plate is arranged on the other end face of the attaching fixing plate; the retraction block is arranged at the bottom of the cutter fixing plate in a manner of horizontally sliding back and forth towards the direction of the feeding block through a third slide rail component; the upper cutter block and the lower cutter block are matched with each other and are correspondingly arranged on one side of the cutter fixing plate in a way of sliding up and down through a fourth slide rail assembly, an upper hook part and a lower hook part which are matched with each other are respectively arranged at the lower end of the upper cutter block and the upper end of the lower cutter block, and the cutter is arranged on the side surface of the lower cutter block facing the feeding block; the cutter cylinder is fixed on the retraction block, and an output shaft of the cutter cylinder is connected with the cutter upper block, so that the cutter cylinder can drive the cutter upper block to slide up and down; the wheel groove block is arranged on one side of the cutter fixing plate, a wheel groove is formed in the wheel groove block, and the wheel groove is provided with a vertical section and an inclined section which are sequentially connected from top to bottom; the cutter upper block is also provided with a wheel groove bearing which can be slidably inserted into the wheel groove; when the wheel groove bearing slides in the inclined section, the cutter can horizontally move towards the direction of the stop block; when the wheel groove bearing slides in the vertical section, the cutter can move up and down.

7. The foam attaching device for a touch screen according to claim 2, wherein:

and the main fixing plate is also provided with an up-and-down driving cylinder for driving the laminating device and the cutting device to slide up and down.

8. The foam attaching device for a touch screen according to claim 2, wherein:

the X-axis attaching arm and the Y-axis attaching arm respectively comprise a film tearing device; the film tearing device comprises a unwinding disc, a winding assembly, a guide assembly and an in-place inductor which are respectively arranged on the main fixing plate and are respectively positioned on the rear side of the pasting device; the guide assembly comprises at least one guide wheel fixed between the unwinding disc and the attaching device; the winding assembly is positioned below the unwinding disc and comprises a winding motor which is fixed on the main fixing plate and positioned at the rear side of the guide assembly and a winding disc which is fixed on an output shaft of the winding motor; the in-place sensor is positioned between the guide assembly and the winding motor.

9. The foam attaching device for a touch screen according to claim 2, wherein:

the bottom of the workbench is also provided with a lifting device for adjusting the height of the workbench; the bottom of the lifting device is also provided with an X-axis module used for driving the lifting device to slide along an X axis; and a Y-axis module used for driving the Y-axis laminating arm to slide along the Y axis is further installed at the bottom of the main fixing plate of the Y-axis laminating arm.

10. The foam applicator for a touch screen of any one of claims 1 to 9, wherein:

the X-axis attaching arms are provided with two X-axis attaching arms which are symmetrically arranged by taking the X axis as a symmetry axis; y axle laminating arm is equipped with two and two Y axle laminating arm uses the Y axle to set up as symmetry axis symmetry.