Edge wrapping and laminating device

Abstract

The present invention relates to an edge wrapping and laminating device, which includes an upper pressing plate, a lower pressing plate and an edge wrapping device, wherein the upper pressing plate can move in a direction close to or away from the lower pressing plate, and one end of the upper pressing plate is provided with a bending portion facing the lower pressing plate, and under the cooperation of the lower pressing plate, the bending portion can make one end of the material bend in a direction away from the upper pressing plate; the edge wrapping device includes an edge wrapping portion and a first driving device, and under the drive of the first driving device and under the cooperation of the lower pressing plate, the edge wrapping portion can make one end of the material bend toward an opposite end. The present invention realizes a preliminary 90° bending of the light shielding glue at one end of the backlight module by cooperating with the lower pressing plate through the bending portion provided on the upper pressing plate, the light shielding glue is bonded to one end of the backlight module, and then the light shielding glue is bonded to the back of the backlight module through the edge wrapping device, and finally the edge wrapping and bonding of the light shielding glue is realized.

Description

Technical Field

[0001] The invention relates to the field of methods and devices for lamination, and in particular to an edge wrapping and laminating device. Background Art

[0002] At present, the backlight source of mobile phones usually adopts a plastic frame or a plastic-plastic and iron frame as a whole. A light-shielding film is pasted on the frame, one side is used to paste and fix the optical film material, and the other side is pasted with the LCD screen. The touch screen or glass cover is pasted on the display screen, and the touch screen or glass cover is pasted on the mobile phone shell.

[0003] In order to realize the full-screen display of mobile phones (screen occupancy of more than 95%), it is necessary to design a backlight module with a narrower optical path. Light strips made of smaller LEDs naturally become the preferred backlight source solution product, but the narrow edge becomes a difficulty in assembly, that is, it is difficult to achieve shading by the edge of the backlight module. Summary of the invention

[0004] The technical problem to be solved by the present invention is how to realize the light-shielding edge of the backlight module.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A wrapping and laminating device comprises an upper pressing plate, a lower pressing plate and a wrapping device, wherein the upper pressing plate can move in a direction close to or away from the lower pressing plate, and one end of the upper pressing plate is provided with a bending portion facing the lower pressing plate, and with the cooperation of the lower pressing plate, the bending portion can bend one end of the material in a direction away from the upper pressing plate; the wrapping device comprises a wrapping portion and a first driving device, and under the drive of the first driving device and with the cooperation of the lower pressing plate, the wrapping portion can bend one end of the material toward an opposite end.

[0007] In a preferred embodiment, the edging portion is a roller, and the roller is rotatably mounted on an output end of the first driving device.

[0008] In a preferred embodiment, the edging portion is an insert block, the insert block is fixed on the output end of the first driving device, and an inclined surface is provided at one end of the insert block close to the lower pressing plate, and the inclined surface faces the upper pressing plate.

[0009] In a preferred embodiment, the bending portion is three protruding blocks arranged at intervals.

[0010] In a preferred embodiment, it also includes a first positioning device, which is arranged opposite to the edge wrapping device. The first positioning device includes a first positioning block and a second driving device. Under the drive of the second driving device, the first positioning block can adjust the position of the material in the length direction of the lower pressing block.

[0011] In a preferred embodiment, a second positioning device is further included, and the second positioning device is arranged adjacent to the edge wrapping device. The second positioning device includes a second positioning block and a third driving device. Under the drive of the third driving device, the second positioning block can adjust the position of the material in the width direction of the lower pressing block.

[0012] In a preferred embodiment, it also includes a frame and a fourth driving device, the lower pressure plate is fixed relative to the frame, the fourth driving device is arranged on the frame, and the upper pressure plate is arranged on the output end of the fourth driving device. Under the action of the fourth driving device, the upper pressure plate can move in a direction close to or away from the lower pressure plate.

[0013] In a preferred embodiment, the fourth driving device is a cylinder with a guide rod.

[0014] In a preferred embodiment, it also includes a shock-absorbing column and a shock-absorbing block, wherein the shock-absorbing column is fixed on the output end of the guide rod cylinder, and the shock-absorbing block is fixed relative to the fixed end of the guide rod cylinder, and the shock-absorbing block is located between the two shock-absorbing columns. When the shock-absorbing block moves to the end point of the stroke of the guide rod cylinder, the shock-absorbing block contacts the shock-absorbing column.

[0015] In a preferred embodiment, it also includes a first suction nozzle and a fifth driving device, the first suction nozzle can suck or release the material, the first suction nozzle is arranged on the output end of the fourth driving device, the fourth driving device is fixed on the output end of the fifth driving device, and the fifth driving device is fixed relative to the frame. Under the action of the fifth driving device, the first suction nozzle can transfer the material from the lower pressure plate to the unloading place.

[0016] In a preferred embodiment, a second suction nozzle is also included, and the second suction nozzle is also arranged on the output end of the fourth driving device. When the first suction nozzle transfers the material from the lower pressure plate to the unloading position, the second suction nozzle can transfer the material from the loading position to the lower pressure plate.

[0017] The beneficial effects of the present invention are:

[0018] The present invention realizes a preliminary 90° bending of the light-shielding glue at one end of the backlight module by cooperating with the lower pressing plate through the bending portion arranged on the upper pressing plate, so that the light-shielding glue is bonded to one end of the backlight module, and then the light-shielding glue is bonded to the back side of the backlight module through the edge binding device, and finally the edge binding of the light-shielding glue is realized, so that the backlight module will not leak light at the light source end. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 is an axonometric view of an edge wrapping and laminating device according to an embodiment of the present invention;

[0021] Figure 2 It is an exploded view of some parts of the edge wrapping and laminating device according to one embodiment of the present invention;

[0022] Figure 3 is an exploded view of another part of the edge wrapping and laminating device according to one embodiment of the present invention;

[0023] Figure 4 It is an axonometric diagram of an embodiment of the upper pressing plate, the lower pressing plate and the edge binding block of the present invention;

[0024] Figure 5 It is a front view of an embodiment of the upper pressing plate, the lower pressing plate and the edge binding block of the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0026] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the drawings.

[0027] In addition, unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments, not for limiting the present invention. The term "and / or" used herein includes any combination of one or more related listed items.

[0028] Reference Figures 1 to 3 , Figure 1is an axonometric diagram of an edge wrapping and laminating device according to an embodiment of the present invention. Figure 2 This is an exploded view of some parts of the edge wrapping and laminating device according to one embodiment of the present invention. Figure 3 It is an exploded view of some parts of the edge-wrapping and laminating device of one embodiment of the present invention. The edge-wrapping and laminating device of this embodiment includes a frame 1, a second positioning device 2, an edge-wrapping device 3, a lower pressing plate assembly 4, an upper pressing plate assembly 5, a feeding assembly 6, a fourth driving device 7, a fifth driving device 8 and a first positioning device 9. In addition, a backlight module 10 is also shown (the backlight module 10 is not a part of the edge-wrapping and laminating device of this embodiment).

[0029] The lower pressing plate assembly 4 is fixed on the frame 1, the upper pressing plate assembly 5 is fixed on the output end of the fourth driving device 7, the fourth driving device 7 is fixed on the output end of the fifth driving device 8, and the fifth driving device 8 is fixed on the frame 1. By setting the fourth driving device 7, the upper pressing plate assembly 5 can move relative to the lower pressing plate assembly 4 in the vertical direction, so that the upper pressing plate assembly 4 and the lower pressing plate assembly 4 can press the backlight module 10 and complete the initial bending action of the light-shielding glue. By setting the fifth driving device 8, the upper pressing plate assembly 5 can move relative to the lower pressing plate assembly 4 in the left and right directions, thereby making it possible to load and unload the backlight module 10.

[0030] The edge wrapping device 3 is located at the front end of the lower pressing plate assembly 4, and can cooperate with the lower pressing plate assembly 4 to complete the final edge wrapping action of the light-shielding adhesive.

[0031] Reference Figure 2 In this embodiment, the fifth driving device 8 is a screw nut assembly, which drives the screw to rotate through a motor arranged at one end, so that the fourth driving device 7 fixed on the nut moves left and right. The fourth driving device 7 includes a fixing plate 71, a cylinder with a guide rod 72, a shock absorbing block 73, a shock absorbing column 74, a mounting frame 75 and a connecting plate 76. The cylinder with a guide rod 72 is fixed to the fifth driving device 8 through the fixing plate 71, the mounting frame 75 is fixed to the output end of the cylinder with a guide rod 72, and the connecting plate 76 is fixed to the mounting frame 75.

[0032] Shock-absorbing columns 74 are fixed at both upper and lower ends of the mounting frame 75, and the shock-absorbing blocks 73 are fixed on the mounting frame 75. When the mounting frame 75 is at the two ends of the stroke of the guide rod cylinder 72, the shock-absorbing columns 74 contact the shock-absorbing blocks 73 to achieve the effect of buffering and shock absorption. In this embodiment, a pair of shock-absorbing blocks 73 are provided, and two pairs of shock-absorbing columns 74 are provided, which can achieve a better shock absorption effect.

[0033] The upper pressing plate assembly 5 includes an upper pressing plate 51, a partition 52, a first suction nozzle 53, an air distribution block 54, a clamping cylinder 55 and a fixing block 56. The upper pressing plate assembly 5 is fixed on the connecting plate 76 as a whole. The upper pressing plate 51 is fixed on the partition 52 by foam and double-sided tape (not shown). The foam can play a role in buffering and shock absorption. The partition 52 is locked and fixed on the clamping cylinder 55. The clamping cylinder 55 is fixed on the connecting plate 76 by a fixing block 56. The clamping cylinder 55 can play a role in assisting the clamping of the backlight module 10. The lower end of the clamping cylinder 55 is also fixed with an air distribution block 54. The lower end of the air distribution block 54 is connected with a first suction nozzle 53. The first suction nozzle 53 can suck or release the backlight module 10, thereby realizing the loading or unloading of the backlight module 10.

[0034] In this embodiment, a loading component 6 is also provided. The loading component 6 is not provided with an upper pressure plate 51. Other structures are the same as the upper pressure plate component 5. The loading component 6 includes a second suction nozzle 61. By providing the loading component 6, the first suction nozzle 53 can load the material while unloading the material, thereby realizing uninterrupted operation.

[0035] Reference Figure 3 The lower pressure plate assembly 4 includes a lower pressure plate 41 and a base 42, and the lower pressure plate 41 is fixed to the frame 1 through the base 42; the edging device 3 includes an edging portion 31, a first adjusting block 32, a second adjusting block 33, a first cylinder 34, a third adjusting block 35 and a fixed seat 36, and the first cylinder 34 is fixed to the frame 1 through the fixed seat 36, and the edging portion 31 is fixed to the output end of the first cylinder 34. Under the drive of the first cylinder 34, the edging portion 31 can approach or move away from the lower pressure plate 41 in the horizontal direction.

[0036] The lower pressing plate assembly 4 is provided with a first positioning device 9, the structure of which is similar to that of the lower pressing plate assembly 4, except that the edge portion 31 is replaced by a first positioning block 91. The first positioning device 9 can realize the positioning of the backlight module 10 in the length direction (i.e., the front-to-back direction) of the lower pressing plate 41, so that the edge portion 31 can realize the accurate edge binding of the shading film, and the shading film will not be too tight or partially not attached. At the same time, a second positioning device 2 is respectively provided on the left and right sides of the lower pressing plate 41, and the structure of the second positioning device 2 is similar to that of the first positioning device 9, and the second positioning device 2 can realize the positioning of the backlight module 10 in the width direction 9 (i.e., the left-right direction) of the lower pressing plate 41.

[0037] Reference Figure 4 and Figure 5 , Figure 4 1 is an isometric view of an embodiment of the upper pressing plate 51, the lower pressing plate 41 and the edge wrapping block 31 of the present invention. Figure 5It is a front view of an embodiment of the upper pressing plate 51, the lower pressing plate 41 and the edging block 31 of the present invention. In this embodiment, the edging portion 31 is an insert block, and a bevel 311 is provided at one end of the insert block facing the lower pressing plate 41. By providing the bevel 311, the shading film can be gradually attached to the back of the backlight module 10. Of course, the edging portion 31 can also be provided as a roller, which is rotatably provided on the output end of the first cylinder 34, and the shading film is attached by rolling the roller.

[0038] A bending portion 511 is provided at the left end of the upper pressing plate 51. The bending portion 511 is three protruding blocks extending toward the lower pressing plate 41. The three protruding blocks are arranged at intervals to avoid some structures on the backlight module 10. After the protruding blocks bend the shading film 90°, the insert blocks push to achieve the fitting of the shading film on the back side of the backlight module 10.

[0039] The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A hemming and laminating device, It is characterized in that The invention also comprises an upper pressing plate, a lower pressing plate and an edge wrapping device, wherein the upper pressing plate can move in a direction close to or away from the lower pressing plate, and one end of the upper pressing plate is provided with a bending portion facing the lower pressing plate, and under the cooperation of the lower pressing plate, the bending portion can make one end of the material bend in a direction away from the upper pressing plate; the edge wrapping device comprises an edge wrapping portion and a first driving device, and under the drive of the first driving device and with the cooperation of the lower pressing plate, the edge wrapping portion can make one end of the material bend toward an opposite end; the edge wrapping and laminating device also comprises a first positioning device and a second positioning device, the first positioning device is arranged opposite to the edge wrapping device, the first positioning device comprises a first positioning block and a second driving device, and under the drive of the second driving device, the first positioning block can adjust the position of the material in the length direction of the lower pressing block; the second positioning device is arranged adjacent to the edge wrapping device, the second positioning device comprises a second positioning block and a third driving device, and under the drive of the third driving device, the second positioning block can adjust the position of the material in the width direction of the lower pressing block.

2. The edge wrapping and laminating device according to claim 1, It is characterized in that The edge-wrapping portion is a roller, and the roller is rotatably mounted on the output end of the first driving device.

3. The edge wrapping and laminating device according to claim 1, It is characterized in that The edge-wrapping portion is an insert block, which is fixed on the output end of the first driving device. An end of the insert block close to the lower pressing plate is provided with an inclined surface, and the inclined surface faces the upper pressing plate.

4. The edge wrapping and laminating device according to claim 1, It is characterized in that The bending portion is composed of three protruding blocks arranged at intervals.

5. The edge wrapping and laminating device according to claim 1, It is characterized in that It also includes a frame and a fourth driving device, the lower pressing plate is fixed relative to the frame, the fourth driving device is arranged on the frame, and the upper pressing plate is arranged on the output end of the fourth driving device. Under the action of the fourth driving device, the upper pressing plate can move in a direction close to or away from the lower pressing plate.

6. The edge wrapping and laminating device according to claim 5, It is characterized in that The fourth driving device is a cylinder with a guide rod.

7. The edge wrapping and laminating device according to claim 6, It is characterized in that It also includes a shock-absorbing column and a shock-absorbing block. The shock-absorbing column is fixed on the output end of the cylinder with a guide rod, and the shock-absorbing block is fixed relative to the fixed end of the cylinder with a guide rod. The shock-absorbing block is located between the two shock-absorbing columns. When the shock-absorbing block moves to the end point of the stroke of the cylinder with a guide rod, the shock-absorbing block contacts the shock-absorbing column.

8. The edge wrapping and laminating device according to claim 5, It is characterized in that It also includes a first suction nozzle and a fifth driving device. The first suction nozzle can suck or release materials. The first suction nozzle is arranged on the output end of the fourth driving device. The fourth driving device is fixed on the output end of the fifth driving device. The fifth driving device is fixed relative to the frame. Under the action of the fifth driving device, the first suction nozzle can transfer the material from the lower pressure plate to the unloading place.

9. The edge wrapping and laminating device according to claim 8, It is characterized in that It also includes a second suction nozzle, which is also arranged on the output end of the fourth driving device. When the first suction nozzle transfers the material from the lower pressure plate to the unloading position, the second suction nozzle can transfer the material from the loading position to the lower pressure plate.

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