Film pasting device

Abstract

A film pasting device is used for pasting a protective film on the surface of a product. The film pasting device comprises a positioning mechanism, a rolling mechanism and a negative pressure mechanism. The positioning mechanism comprises a bearing part, the bearing part comprises a bearing surface, and the bearing surface is configured to bear and position the product. The rolling mechanism comprises a film pasting roller, and the film pasting roller is arranged to be opposite to the bearing face and rolls the protective film to the surface of the product. The negative pressure mechanism comprises a shell, an adsorption assembly and a plurality of drawers. The shell comprises a plurality of first containing cavities with openings, and each first containing cavity communicates with the adsorption assembly. Each drawer is slidably connected to the first containing cavity, and the drawers are configured to contain the products to which the protective films are attached and seal the corresponding openings. The adsorption assembly is configured to enable a negative pressure environment to be formed in the first containing cavity. The film pasting device is beneficial for improving the film pasting efficiency.

Description

Technical Field

[0001] The present application relates to the field of processing technology, and in particular to a film pasting device. Background Art

[0002] With the rapid development of smart technology, electronic devices such as mobile phones and tablets are widely used in our lives. In order to protect the display screen of the electronic device, users usually stick a protective film on the display screen of the electronic device to protect the display screen. However, in the process of sticking the protective film, the protective film is usually directly stuck on the display screen manually, and bubbles often appear between the protective film and the display screen after sticking, and a manual air bubble removal process is required, resulting in low efficiency of sticking the film. Utility Model Content

[0003] In view of the above situation, the present application provides a film pasting device, which is helpful to improve the film pasting efficiency.

[0004] An embodiment of the present application provides a film-sticking device for attaching a protective film to the surface of a product. The film-sticking device includes a positioning mechanism, a rolling mechanism and a negative pressure mechanism. The positioning mechanism includes a carrier, the carrier includes a bearing surface, and the bearing surface is configured to bear and position the product. The rolling mechanism includes a film-sticking roller, and the film-sticking roller is configured to be arranged opposite to the bearing surface and roll the protective film to the surface of the product. The negative pressure mechanism includes a shell, an adsorption component and a plurality of drawers. The shell includes a plurality of first accommodating chambers with openings, and each of the first accommodating chambers is connected to the adsorption component. Each of the drawers is slidably connected to the first accommodating chamber, and the drawer is configured to accommodate the product to which the protective film has been attached and seal the corresponding opening. The adsorption component is configured to form a negative pressure environment in the first accommodating chamber.

[0005] In some embodiments of the present application, the positioning mechanism further includes a plurality of first positioning blocks and a plurality of second positioning blocks. The plurality of first positioning blocks are fixedly connected to the carrier and are located on two adjacent sides of the carrier surface, and the plurality of second positioning blocks are slidably connected to the carrier and are located on two other adjacent sides of the carrier surface, and the plurality of first positioning blocks and the plurality of second positioning blocks are configured to be clamped on the peripheral side of the product.

[0006] In some embodiments of the present application, the positioning mechanism further includes a base, a first connecting rod, a second connecting rod and a linkage. The base is connected to the side of the bearing member facing away from the bearing surface, and a mounting cavity is provided between the base and the bearing member, and the linkage is rotatably connected to the mounting cavity. The first connecting rod is slidably connected to the bearing member along a first direction, one end of the first connecting rod is hinged to the linkage, and the other end of the first connecting rod is fixedly connected to one of the second positioning blocks. The second connecting rod is slidably connected to the bearing member along a second direction, one end of the second connecting rod is hinged to the linkage, and the other end of the second connecting rod is fixedly connected to another second positioning block, and the second direction and the first direction are arranged crosswise. The linkage is configured to drive the first connecting rod and the second connecting rod to slide synchronously so that the two corresponding second positioning blocks are synchronously moved away from or close to the bearing surface.

[0007] In some embodiments of the present application, the positioning mechanism further includes two elastic members, one of which is connected to the first connecting rod and causes the second positioning block connected to the first connecting rod to elastically abut against the bearing surface, and the other elastic member is connected to the second connecting rod and causes the second positioning block connected to the second connecting rod to elastically abut against the bearing surface.

[0008] In some embodiments of the present application, the rolling mechanism further includes a moving part and a placing part. The film laminating roller is rotatably connected to one end of the moving part, and the moving part is configured to drive the film laminating roller to move. The placing part is concavely provided with a placing groove, and the placing groove is configured to accommodate the moving part and the film laminating roller.

[0009] In some embodiments of the present application, the drawer includes a sliding plate, a sealing plate and a sealing strip. The sliding plate is slidably connected to the first accommodating cavity, and the sliding plate is configured to accommodate the product to which the protective film is attached. The sealing plate is fixedly connected to one side of the sliding plate, the sealing strip is sleeved on the peripheral side of the sealing plate, and the sealing strip is configured to abut against the sealing plate and the cavity wall of the first accommodating cavity to seal the corresponding opening.

[0010] In some embodiments of the present application, the drawer further comprises a plurality of fixing assemblies. Each of the fixing assemblies comprises a plurality of fixing members connected to the sliding plate, and the arrangement positions of the plurality of fixing members are configured to be arranged in a contoured manner with the contour of the product to clamp the product to which the protective film has been attached.

[0011] In some embodiments of the present application, the adsorption assembly includes a main pipeline, a control valve and a plurality of branch pipelines. One end of the main pipeline is configured to be connected to a vacuum pump, and the other end of the main pipeline is connected to the control valve. One end of each branch pipeline is connected to one of the first accommodating chambers, and the other end of each branch pipeline is connected to the control valve. The control valve is configured to control the corresponding branch pipeline to be connected to the main pipeline.

[0012] In some embodiments of the present application, the adsorption assembly further includes a plurality of buttons. The plurality of buttons are connected to the housing, and each of the buttons is located on one side of a first accommodating chamber. Each of the buttons is communicatively connected to the control valve and is configured to control the formation of a negative pressure environment in the corresponding first accommodating chamber.

[0013] In some embodiments of the present application, the adsorption assembly further includes a barometer and a plurality of negative pressure gauges. Each of the negative pressure gauges is connected to one of the branch pipelines. The barometer is connected to the main pipeline.

[0014] In the above-mentioned film sticking device, the bearing surface is used to bear and position the product, the film sticking device is used to be arranged opposite to the bearing surface and roll the protective film onto the surface of the product, each drawer is slidably connected to the first accommodating cavity, the drawer is used to accommodate the product with the protective film attached, and the adsorption component is used to form a negative pressure environment in the first accommodating cavity when the drawer seals the corresponding opening, so that the protective film can fit tightly with the surface of the product under the action of negative pressure, thereby expelling the bubbles generated between the protective film and the product. Compared with the existing manual bubble exhausting method, the bubble exhausting process of the negative pressure mechanism has a high degree of automation. Each group of first accommodating cavities and drawers can individually perform bubble exhausting process on a batch of products with the protective film attached. Through the cooperation of multiple groups of first accommodating cavities and drawers, multiple batches of products with the protective film attached can be simultaneously subjected to bubble exhausting process, thereby improving the film sticking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a film sticking device in one embodiment of the present application.

[0016] Figure 2 It is a structural schematic diagram of a positioning mechanism in a film sticking device in an embodiment of the present application.

[0017] Figure 3 It is a schematic diagram of the disassembled structure of the positioning mechanism in the film sticking device in one embodiment of the present application.

[0018] Figure 4 It is a schematic structural diagram of a negative pressure mechanism in a film pasting device in an embodiment of the present application.

[0019] Main component symbols

[0020] Film sticking device 100

[0021] Positioning mechanism 10

[0022] Carrier 11

[0023] Bearing surface 111

[0024] Mounting cavity 112

[0025] The first positioning block 12

[0026] The second positioning block 13

[0027] Base 14

[0028] First connecting rod 15

[0029] Grip 151

[0030] Second connecting rod 16

[0031] Linkage 17

[0032] Elastic member 18

[0033] Limiting piece 19

[0034] Rolling mechanism 20

[0035] Film roller 21

[0036] Moving parts 22

[0037] Storage 23

[0038] Storage slot 231

[0039] Bottom wall 231a

[0040] Side wall 231b

[0041] Negative pressure mechanism 30

[0042] Housing 31

[0043] Opening 311

[0044] The first receiving chamber 312

[0045] The second accommodating chamber 313

[0046] Side Panel 314

[0047] First separator 315

[0048] Second partition 316

[0049] Adsorption component 32

[0050] Main pipeline 321

[0051] Control valve 322

[0052] Negative pressure gauge 324

[0053] Barometer 325

[0054] Drawer 33

[0055] Sliding plate 331

[0056] Sealing plate 332

[0057] Handle 332a

[0058] Sealing strip 333

[0059] Fixing assembly 334

[0060] Fixing member 334a

[0061] Slide 335

[0062] Button 34

[0063] Indicator light 35

[0064] Protective film 91

[0065] Products 92

[0066] First direction X

[0067] Second direction Y

[0068] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0069] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0070] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a centrally disposed element at the same time. When an element is considered to be "disposed" on another element, it may be directly disposed on the other element or there may be a centrally disposed element at the same time.

[0071] The term "perpendicular" is used to describe the ideal state between two components. In actual production or use, there may be a state that is approximately perpendicular between the two components. For example, combined with numerical descriptions, perpendicularity can refer to the angle between two straight lines being between 90°±10°, perpendicularity can also refer to the dihedral angle between two planes being between 90°±10°, and perpendicularity can also refer to the angle between a straight line and a plane being between 90°±10°. The two components described as "perpendicular" may not be absolute straight lines or planes, but may be roughly straight lines or planes. From a macroscopic perspective, a component can be considered a "straight line" or a "plane" if the overall extension direction is a straight line or a plane.

[0072] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which the present application belongs. The terms used herein in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0073] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0074] Please also read Figure 1 and Figure 2 One embodiment of the present application provides a film sticking device 100 for sticking a protective film 91 to a surface of a product 92. The product 92 may be, but is not limited to, a mobile phone display screen.

[0075] The film sticking device 100 includes a positioning mechanism 10, a rolling mechanism 20 and a negative pressure mechanism 30. The positioning mechanism 10 is used to carry and position the product 92. The rolling mechanism 20 is arranged on one side of the positioning mechanism 10, and is used to roll the protective film 91 onto the surface of the product 92. The negative pressure mechanism 30 is arranged on the other side of the positioning mechanism 10, and is used to accommodate the product 92 to which the protective film 91 has been attached. The negative pressure mechanism 30 is also used to form a negative pressure environment so that the protective film 91 can be closely attached to the surface of the product 92 under the action of negative pressure, thereby discharging bubbles generated between the protective film 91 and the product 92.

[0076] The positioning mechanism 10 includes a carrier 11, and the carrier 11 includes a carrier surface 111, and the carrier surface 111 is configured to carry and position the product 92. Optionally, the carrier surface 111 is configured to be arranged in a contour with the product 92 to improve the positioning accuracy.

[0077] The rolling mechanism 20 includes a film laminating roller 21, which is arranged opposite to the carrying surface 111 and rolls the protective film 91 to the surface of the product 92. Specifically, the film laminating roller 21 rolls back and forth on the side of the protective film 91 away from the product 92 to improve the stability of the protective film 91 attached to the surface of the product 92.

[0078] The negative pressure mechanism 30 includes a shell 31, an adsorption assembly 32 and a plurality of drawers 33. The shell 31 includes a plurality of first accommodating chambers 312 having openings 311, and each first accommodating chamber 312 is connected to the adsorption assembly 32. Each drawer 33 is slidably connected to the first accommodating chamber 312, and the drawer 33 is configured to accommodate the product 92 to which the protective film 91 is attached and seal the corresponding opening 311. The adsorption assembly 32 is configured to form a negative pressure environment so that the protective film 91 can fit tightly with the surface of the product 92 under the action of negative pressure, thereby discharging the bubbles generated between the protective film 91 and the product 92. Compared with the existing manual bubble discharging method, the bubble discharging process of the negative pressure mechanism 30 has a high degree of automation. It can be understood that when the drawer 33 seals the corresponding opening 311, the adsorption assembly 32 can form a negative pressure environment in the first accommodating chamber 312.

[0079] Each group of first accommodating cavities 312 and drawers 33 can individually perform bubble removal processing on a batch of products 92 with protective film 91 attached thereto. By cooperating with multiple groups of first accommodating cavities 312 and drawers 33, bubble removal processing can be performed on multiple batches of products 92 with protective film 91 attached thereto at the same time, thereby improving the film application efficiency.

[0080] Optionally, the number of the first accommodating cavities 312 and the number of the drawers 33 are both 2, 3, 4, 5, 6, or other numbers greater than 6.

[0081] When the above-mentioned film laminating device 100 is in use, the product 92 is first placed on the carrying surface 111 of the carrying member 11 to position the product 92; the protective film 91 is then rolled to the surface of the product 92 by the film laminating roller 21; the drawer 33 is then slid to open the opening 311 to place the product 92 with the protective film 91 attached to the drawer 33; the drawer 33 is then slid to seal the opening 311; the adsorption component 32 is then opened to extract the air in the first accommodating chamber 312 to form a negative pressure environment in the first accommodating chamber 312, and the adsorption component 32 is closed after a preset period of time; finally, the drawer 33 is slid to open the opening 311 and the product 92 with the protective film 91 attached is taken out.

[0082] Please continue reading Figure 2In some embodiments, the positioning mechanism 10 further includes a plurality of first positioning blocks 12 and a plurality of second positioning blocks 13. The plurality of first positioning blocks 12 are fixedly connected to the carrier 11 and are located on two adjacent sides of the carrier surface 111, and the plurality of second positioning blocks 13 are slidably connected to the carrier 11 and are located on the other adjacent sides of the carrier surface 111. The plurality of first positioning blocks 12 and the plurality of second positioning blocks 13 are configured to be clamped on the peripheral side of the product 92 to improve the positioning accuracy. Specifically, the second positioning block 13 slides in a direction away from the carrier surface 111 to expand the range surrounded by the plurality of first positioning blocks 12 and the plurality of second positioning blocks 13, thereby facilitating the placement of the product 92 between the plurality of first positioning blocks 12 and the plurality of second positioning blocks 13. By sliding the second positioning block 13 in a direction toward the carrier surface 111, the plurality of first positioning blocks 12 and the plurality of second positioning blocks 13 are clamped on the peripheral side of the product 92.

[0083] Please also read Figure 2 and Figure 3 In some embodiments, the positioning mechanism 10 further includes a base 14, a first connecting rod 15, a second connecting rod 16 and a linkage member 17. The base 14 is connected to a side of the bearing member 11 away from the bearing surface 111, a mounting cavity 112 is provided between the base 14 and the bearing member 11, and the linkage member 17 is rotatably connected to the mounting cavity 112.

[0084] The first connecting rod 15 is connected to the bearing member 11 in a sliding manner along the first direction X, one end of the first connecting rod 15 is hinged to the linkage member 17, and the other end of the first connecting rod 15 is fixedly connected to one of the second positioning blocks 13. The second connecting rod 16 is connected to the bearing member 11 in a sliding manner along the second direction Y, one end of the second connecting rod 16 is hinged to the linkage member 17,

[0085] The other end of the second connecting rod 16 is fixedly connected to another second positioning block 13. The second direction Y and the first direction X are arranged to intersect.

[0086] The linkage member 17 is V-shaped, and the two ends of the linkage member 17 are respectively hinged to the first link 15 and the second link 16. When the first link 15 slides along the first direction X, the linkage member 17 rotates synchronously and enables the second link 16 to have a motion stroke along the second direction Y. When the second link 16 slides along the second direction Y, the linkage member 17 rotates synchronously and enables the first link 15 to have a motion stroke along the first direction X. The linkage member 17 is configured to drive the first link 15 and the second link 16 to slide synchronously so that the two corresponding second positioning blocks 13 are synchronously moved away from or close to the bearing surface 111, thereby facilitating the synchronous positioning of the two sides of the product 92, which is conducive to improving the convenience of positioning operation.

[0087] Optionally, the second direction Y is perpendicular to the first direction X.

[0088] Please continue reading Figure 2 and Figure 3 In some embodiments, the positioning mechanism 10 further includes two elastic members 18. One of the elastic members 18 is connected to the first connecting rod 15 and causes the second positioning block 13 connected to the first connecting rod 15 to elastically abut against the bearing surface 111. The other elastic member 18 is connected to the second connecting rod 16 and causes the second positioning block 13 connected to the second connecting rod 16 to elastically abut against the bearing surface 111. The two elastic members 18 are used to cause the two second positioning blocks 13 to elastically abut against the two sides of the product 92, which is beneficial to improving the positioning accuracy.

[0089] In some embodiments, one end of the first connecting rod 15 away from the linkage member 17 protrudes out of the supporting member 11 and is provided with a handle 151 , so that the first connecting rod 15 can be pulled to slide by the handle 151 , thereby synchronously driving the second connecting rod 16 to slide.

[0090] In some embodiments, the positioning mechanism 10 further includes two limit members 19. Each limit member 19 is connected to a side of a second positioning block 13 away from the bearing surface 111 to limit the sliding stroke of the second positioning block 13. Specifically, both ends of each elastic member 18 are respectively abutted between the limit member 19 and the second positioning block 13, one elastic member 18 is sleeved on the first connecting rod 15, and the other elastic member 18 is sleeved on the second connecting rod 16. One end of the first connecting rod 15 passes through the corresponding limit member 19 and is provided with a handle 151.

[0091] It is understandable that, in other embodiments, the second positioning block 13 is slidably connected to the supporting member 11 via a driving member such as a cylinder or a motor.

[0092] Please refer again Figure 1 In some embodiments, the rolling mechanism 20 further includes a moving member 22 and a placement member 23. The film laminating roller 21 is rotatably connected to one end of the moving member 22, and the moving member 22 is configured to drive the film laminating roller 21 to move. The placement member 23 is concavely provided with a placement groove 231, and the placement groove 231 is configured to accommodate the moving member 22 and the film laminating roller 21.

[0093] In some embodiments, the bottom wall 231a of the storage slot 231 is tilted so that when the movable member 22 and the film roller 21 are placed in the storage slot 231, the movable member 22 and the film roller 21 slide along the bottom wall 231a and abut against the side wall 231b of the storage slot 231, thereby improving the stability of placement.

[0094] Please also read Figure 1 and Figure 4 In some embodiments, the housing 31 further includes a second accommodating cavity 313 , which is disposed adjacent to the plurality of first accommodating cavities 312 . At least part of the adsorption assembly 32 is accommodated in the second accommodating cavity 313 .

[0095] Specifically, the housing 31 includes a plurality of side plates 314, a first partition plate 315, and a plurality of second partition plates 316. The plurality of side plates 314 are arranged to form a first cavity, the first partition plate 315 is connected between the plurality of side plates 314 and separates the first cavity into a second accommodating cavity 313 and a second cavity, and the plurality of second partition plates 316 are connected between the plurality of side plates 314 and the first partition plate 315 and separates the second cavity into a plurality of first accommodating cavities 312.

[0096] In some embodiments, the drawer 33 includes a sliding plate 331, a sealing plate 332, and a sealing strip 333. The sliding plate 331 is slidably connected to the first accommodating cavity 312, and the sliding plate 331 is configured to accommodate the product 92 to which the protective film 91 is attached. The sealing plate 332 is fixedly connected to one side of the sliding plate 331, and the sealing strip 333 is sleeved on the peripheral side of the sealing plate 332. The sealing strip 333 is configured to abut against the sealing plate 332 and the cavity wall of the first accommodating cavity 312 to seal the corresponding opening 311.

[0097] In some embodiments, the drawer 33 further includes a plurality of fixing components 334. Each fixing component 334 includes a plurality of fixing members 334a connected to the sliding plate 331, and the arrangement positions of the plurality of fixing members 334a are configured to be arranged in a contoured manner with the contour of the product 92 to hold the product 92. The plurality of fixing components 334 are used to fix the plurality of products 92 with the protective film 91 attached thereto in the drawer 33, so as to simultaneously perform a bubble removal process on the plurality of products 92 with the protective film 91 attached thereto, thereby improving the film application efficiency.

[0098] Optionally, each drawer 33 includes two fixing assemblies 334 to hold two products 92 simultaneously.

[0099] In some embodiments, the drawer 33 further includes a slide rail 335 , and the sliding plate 331 is connected to the corresponding second partition plate 316 or the side plate 314 through the slide rail 335 to improve the sliding stability.

[0100] In some embodiments, a handle 332 a is provided on the side of the sealing plate 332 facing away from the sliding plate 331 , so that the sealing plate 332 and the sliding plate 331 can be pulled to slide by the handle 332 a .

[0101] Please continue reading Figure 1 and Figure 4In some embodiments, the adsorption assembly 32 includes a main pipeline 321, a control valve 322, and a plurality of branch pipelines (not shown). One end of the main pipeline 321 is configured to be connected to a vacuum pump or other vacuum extraction device, and the other end of the main pipeline 321 is connected to the control valve 322. One end of each branch pipeline is connected to a first accommodating chamber 312, and the other end of each branch pipeline is connected to the control valve 322. The control valve 322 is configured to control the corresponding branch pipeline to be connected to the main pipeline 321, so that each group of first accommodating chambers 312 and drawers 33 can perform bubble removal treatment on a batch of products 92 with protective films 91 attached separately.

[0102] In some embodiments, the adsorption assembly 32 further includes a plurality of negative pressure gauges 324 and air pressure gauges 325. Each negative pressure gauge 324 is connected to a branch pipeline to detect the air pressure value of the branch pipeline. The air pressure gauge 325 is connected to the main pipeline 321 to detect the air pressure value of the main pipeline 321. The air tightness of the main pipeline 321 and the branch pipeline can also be detected by the cooperation of the negative pressure gauge 324 and the air pressure gauge 325.

[0103] In some embodiments, the branch pipeline, the control valve 322, and the negative pressure gauge 324 are disposed in the second accommodating chamber 313. The main pipeline 321 extends from the outside of the housing 31 into the second accommodating chamber 313, and the pressure gauge 325 is connected to the main pipeline 321 outside the housing 31.

[0104] Please continue reading Figure 1 and Figure 4 In some embodiments, the negative pressure mechanism 30 further includes a plurality of buttons 34. The plurality of buttons 34 are connected to the housing 31, and each button 34 is located at one side of a first accommodating cavity 312. Each button 34 is communicatively connected to the control valve 322, and is configured to control the formation of a negative pressure environment in the corresponding first accommodating cavity 312, so as to control each group of first accommodating cavities 312 and drawers 33 to perform bubble removal on a batch of products 92 with protective films 91 attached thereto.

[0105] In some embodiments, the negative pressure mechanism 30 further includes an indicator light 35, a plurality of indicator lights 35 are connected to the housing 31, and each indicator light 35 is located on one side of a first accommodating chamber 312. Each button 34 is communicatively connected to the control valve 322, and is configured to issue a prompt and control the corresponding branch pipeline to be disconnected from the main pipeline 321 after the negative pressure environment of the corresponding first accommodating chamber 312 reaches a preset time, so as to end the bubble exhaust process.

[0106] Optionally, the negative pressure value of the negative pressure environment is -(80~85)Kpa, and the preset duration is 120s.

[0107] In summary, in the above-mentioned film laminating device 100, the carrying surface 111 is used to carry and position the product 92, the film laminating roller 21 is used to be arranged opposite to the carrying surface 111 and roll the protective film 91 to the surface of the product 92, each drawer 33 is slidably connected to the first accommodating cavity 312, the drawer 33 is used to accommodate the product 92 with the protective film 91 attached, and the adsorption component 32 is used to form a negative pressure environment in the first accommodating cavity 312 when the drawer 33 seals the corresponding opening 311, so that the protective film 91 can be tightly attached to the surface of the product 92 under the action of negative pressure, and then the bubbles generated between the protective film 91 and the product 92 are discharged. Compared with the existing manual bubble discharge method, the bubble discharge process of the negative pressure mechanism 30 has a high degree of automation. Each group of the first accommodating cavity 312 and the drawer 33 can perform bubble discharge processing on a batch of products 92 with the protective film 91 attached separately, and multiple groups of the first accommodating cavity 312 and the drawer 33 can simultaneously perform bubble discharge processing on multiple batches of products 92 with the protective film 91 attached, thereby improving the film laminating efficiency.

[0108] In addition, those skilled in the art may also make other changes within the spirit of the present application. Of course, these changes made according to the spirit of the present application should be included in the scope disclosed in the present application.

Claims

1. A film sticking device, used to stick a protective film to the surface of a product, characterized in that: The film sticking device comprises: A positioning mechanism, comprising a carrier, the carrier comprising a carrying surface, the carrying surface being configured to carry and position the product; A rolling mechanism, comprising a film-laminating roller, wherein the film-laminating roller is arranged opposite to the bearing surface and rolls the protective film onto the surface of the product; A negative pressure mechanism comprises a shell, an adsorption assembly and a plurality of drawers, wherein the shell comprises a plurality of first accommodating cavities with openings, each of the first accommodating cavities being communicated with the adsorption assembly, each of the drawers being slidably connected to the first accommodating cavities, the drawers being configured to accommodate the product to which the protective film has been affixed and to seal the corresponding openings, and the adsorption assembly being configured to form a negative pressure environment in the first accommodating cavities.

2. The film sticking device according to claim 1, characterized in that: The positioning mechanism also includes a plurality of first positioning blocks and a plurality of second positioning blocks, wherein the plurality of first positioning blocks are fixedly connected to the carrier and are located on two adjacent sides of the carrier surface, and the plurality of second positioning blocks are slidably connected to the carrier and are located on two other adjacent sides of the carrier surface, and the plurality of first positioning blocks and the plurality of second positioning blocks are configured to be clamped on the peripheral side of the product.

3. The film sticking device according to claim 2, characterized in that: The positioning mechanism further includes a base, a first connecting rod, a second connecting rod and a linkage member, wherein the base is connected to a side of the bearing member away from the bearing surface, a mounting cavity is provided between the base and the bearing member, and the linkage member is rotatably connected to the mounting cavity; The first connecting rod is slidably connected to the bearing member along a first direction, one end of the first connecting rod is hinged to the linkage member, and the other end of the first connecting rod is fixedly connected to one of the second positioning blocks; The second connecting rod is slidably connected to the bearing member along a second direction, one end of the second connecting rod is hinged to the linkage member, the other end of the second connecting rod is fixedly connected to another second positioning block, and the second direction and the first direction are arranged crosswise; The linkage member is configured to drive the first connecting rod and the second connecting rod to slide synchronously so that two corresponding second positioning blocks move away from or close to the bearing surface synchronously.

4. The film sticking device according to claim 3, characterized in that: The positioning mechanism also includes two elastic members, one of which is connected to the first connecting rod and causes the second positioning block connected to the first connecting rod to elastically press against the bearing surface, and the other elastic member is connected to the second connecting rod and causes the second positioning block connected to the second connecting rod to elastically press against the bearing surface.

5. The film sticking device according to claim 1, characterized in that: The rolling mechanism also includes a moving part and a placing part. The film-laminating roller is rotatably connected to one end of the moving part. The moving part is configured to drive the film-laminating roller to move. The placing part is recessed with a placing groove, and the placing groove is configured to accommodate the moving part and the film-laminating roller.

6. The film sticking device according to claim 1, characterized in that: The drawer includes a sliding plate, a sealing plate and a sealing strip. The sliding plate is slidably connected to the first accommodating cavity. The sliding plate is configured to accommodate the product to which the protective film is attached. The sealing plate is fixedly connected to one side of the sliding plate. The sealing strip is sleeved on the circumferential side of the sealing plate. The sealing strip is configured to abut against the sealing plate and the cavity wall of the first accommodating cavity to seal the corresponding opening.

7. The film sticking device according to claim 6, characterized in that: The drawer further comprises a plurality of fixing assemblies, each of which comprises a plurality of fixing parts connected to the sliding plate, and the arrangement positions of the plurality of fixing parts are configured to be arranged in a contour-like manner with the contour of the product so as to clamp the product to which the protective film has been affixed.

8. The film sticking device according to claim 1, characterized in that: The adsorption assembly includes a main pipeline, a control valve and multiple branch pipelines, one end of the main pipeline is configured to be connected to a vacuum pumping device, the other end of the main pipeline is connected to the control valve, one end of each branch pipeline is connected to one of the first accommodating chambers, the other end of each branch pipeline is connected to the control valve, and the control valve is configured to control the corresponding branch pipeline to be connected to the main pipeline.

9. The film sticking device according to claim 8, characterized in that: The adsorption component also includes a plurality of buttons, which are connected to the shell, each of which is located on one side of a first accommodating chamber, each of which is communicatively connected to the control valve and is configured to control the formation of a negative pressure environment in the corresponding first accommodating chamber.

10. The film sticking device according to claim 8, characterized in that: The adsorption component also includes an air pressure gauge and a plurality of negative pressure gauges, each of the negative pressure gauges is connected to one of the branch pipelines, and the air pressure gauges are connected to the main pipeline.

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