A sheet-like adhesive material film coating device

Abstract

This utility model provides a sheet adhesive coating device, belonging to the field of adhesive processing technology, to solve the technical problems of poor accuracy and low efficiency in the existing purely manual coating process. It includes: a base with a rotating shaft driven by a power source, and a sheet adhesive positioning area on the base; and a membrane plate, one end of which is fixedly connected to the rotating shaft, and the other end suspended. The rotating shaft can drive the membrane plate to rotate and adhere to the positioning area. The side of the membrane plate adhering to the positioning area has adsorption holes for adsorbing the membrane sheet. The adsorption holes are connected to a pressure source and can provide positive or negative pressure. This device improves coating accuracy and efficiency, and effectively prevents dust and ensures the quality of the adhesive.

Description

Technical Field

[0001] This utility model relates to the field of adhesive processing technology, specifically to a sheet adhesive coating device. Background Technology

[0002] In the manufacturing process of electronic products such as laptops and mobile phones, adhesives are widely used as key raw materials, and their quality and performance play a crucial role in the quality of the final product. From the bonding of the outer shell to the fixing of internal components, adhesives play an indispensable bonding role, ensuring that the various parts of electronic products are tightly connected and stable and reliable.

[0003] However, after the rubber compound is cut and shaped, it needs to undergo storage and transportation before being used on the production line. During this process, it is very easy for dust and other impurities to adhere to it, affecting its performance. Currently, some manufacturers still use a purely manual method to coat the rubber compound to prevent dust, but this manual operation not only makes it difficult to accurately control the position of the film, resulting in poor coating accuracy, but also leads to low efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model proposes a sheet adhesive coating device to solve the technical problems of poor accuracy and low efficiency in purely manual coating in existing technologies.

[0005] The technical solution adopted in this utility model is: a sheet adhesive coating device, comprising: A base, wherein a rotating shaft driven by a power source is provided on the base, and a sheet-shaped adhesive material positioning area is also provided on the base; It also includes a diaphragm plate, one end of which is fixedly connected to the rotating shaft and the other end is suspended. The rotating shaft can drive the diaphragm plate to rotate and fit into the positioning area. The side of the diaphragm plate that fits into the positioning area is provided with an adsorption hole for adsorbing the membrane. The adsorption hole is connected to a pressure source and can provide positive or negative pressure.

[0006] Optionally, the membrane plate has a cavity inside, which is connected to the adsorption pore; the rotating shaft also has a cavity inside, which is connected to the cavity of the membrane plate, and the end of the rotating shaft is provided with a pipe connected to a pressure source.

[0007] Optionally, slide rails are provided on both sides of the positioning area, and sliders are provided on the slide rails. The two sliders are connected by a roller. When the roller passes through the surface of the positioning area, the outer peripheral surface of the roller can press against the top surface of the positioning area.

[0008] Optionally, a positioning platform is provided on one side of the membrane plate's bonding and positioning area, and the positioning platform protrudes from the surface of the membrane plate.

[0009] Optionally, on the diaphragm plate, limit blocks are provided on both sides of the positioning stage and in the frame area near one end of the rotation axis. The limit blocks are connected to the diaphragm plate through an elastic guide structure. Initially, the top surface height of the limit block exceeds the top surface height of the positioning stage. When the limit block is squeezed, the limit block retracts, and the top surface height of the limit block is lower than the top surface height of the positioning stage.

[0010] Optionally, the elastic guide structure includes a guide post and an elastic element disposed between the limiting block and the diaphragm.

[0011] Optionally, on the membrane plate, an adjustment box is provided in the frame area of ​​the positioning stage away from the rotation axis. A mandrel parallel to the rotation axis is provided in the adjustment box, and a sealing membrane is wound on the mandrel. A magnetic strip is provided at the end of the sealing membrane. On the membrane plate, a concave strip parallel to the rotation axis is provided. The shape of the concave strip matches the magnetic strip, and a material that can be attracted by the magnetic strip is provided in the concave strip.

[0012] Optionally, the mandrel is connected to the adjustment box via a torsion spring or a coil spring, and the sealing membrane can automatically rotate after being pulled and released; or, the mandrel and the adjustment box are in frictional engagement and remain relatively fixed when there is no external force, and a handle is provided after the mandrel extends beyond the adjustment box.

[0013] Optionally, the adhesive positioning area is a recessed area located on the top surface of the base.

[0014] Optionally, the adhesive positioning area is also provided with negative pressure adsorption holes.

[0015] As can be seen from the above technical solution, the beneficial technical effects of this utility model are as follows: By incorporating a rotating shaft powered by a power source and a sheet-like adhesive positioning area at the base, along with a membrane plate fixed at one end to the rotating shaft and capable of flipping to fit the positioning area, and with adsorption holes on the adhesive surface of the membrane plate connected to a pressure source, this device eliminates purely manual operation. It utilizes mechanical flipping and adsorption holes to precisely control the membrane position, effectively solving the problems of poor accuracy and low efficiency associated with manual lamination. This also facilitates dust prevention during storage and transportation, ensuring the quality of the adhesive. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0017] Figure 1 This is a three-dimensional schematic diagram of the initial state.

[0018] Figure 2 This is a 3D diagram of the flipped state.

[0019] Figure 3 This is a three-dimensional schematic diagram of the coated state.

[0020] Figure 4 for Figure 2 Schematic diagram of section AA.

[0021] Reference numerals: base 1, rotating shaft 11, positioning area 12, slide rail 13, slider 14, diaphragm plate 2, adsorption hole 21, pipeline 22, limiting block 23, guide post 24, elastic element 25, concave strip 26, positioning platform 27, roller 3, adjusting box 4, sealing membrane 41, magnetic strip 42. Detailed Implementation

[0022] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0023] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

[0024] A sheet adhesive coating apparatus, please refer to the attached document. Figure 1 One possible implementation method is as follows: The base 1 has a rotating shaft 11 driven by a power source and a sheet adhesive positioning area 12 on the base 1, where the adhesive to be coated is placed. It also includes a diaphragm plate 2, one end of which is fixedly connected to the rotating shaft 11, and the other end is suspended. The rotating shaft 11 can drive the diaphragm plate 2 to rotate and fit into the positioning area 12. The side of the diaphragm plate 2 that fits into the positioning area 12 is provided with an adsorption hole 21 for adsorbing the membrane. The adsorption hole 21 is connected to a pressure source and can provide positive or negative pressure.

[0025] In the above embodiment, the adhesive material (sheet-shaped) to be coated is placed in the adhesive positioning area 12 on the base 1. The protective film for covering the adhesive material is placed on the film plate 2 and adsorbed through the negative pressure adsorption holes 21, ensuring that the film plate 2 and the protective film remain relatively fixed and do not slip during the flipping process. When the film plate 2 with the protective film flips to the positioning area 12 of the base 1 and adheres to it, the protective film is covered on the adhesive material and can be removed for coating the next adhesive material. This sheet-shaped adhesive coating device drives the film plate 2 to flip through the rotating shaft 11 on the base 1. The side of the film plate 2 that adheres to the positioning area 12 is provided with adsorption holes 21. During coating, the protective film is adsorbed onto the film plate 2 by negative pressure. During the flipping process, the film plate 2 and the protective film remain relatively fixed and do not slip. After the film plate 2 flips to the positioning area 12 of the base 1 and adheres to it, the protective film accurately covers the adhesive material. The operation is simple and can effectively improve the coating efficiency and accuracy, and ensure the coating quality.

[0026] In one possible implementation, the membrane plate 2 has an internal cavity that communicates with the adsorption holes 21; the rotating shaft 11 also has an internal cavity that communicates with the cavity of the membrane plate 2, and a pipe 22 is provided at the end of the rotating shaft 11 that communicates with a pressure source. The pipe 22 needs to be a flexible hose, so that during the rotation and flipping of the rotating shaft 11 and the membrane plate 2, the pipe 22 can automatically adapt to the angle change, ensuring that the adsorption holes 21 stably provide positive and negative pressure, allowing the protective film to be firmly adsorbed and accurately covered, improving the convenience and reliability of the coating operation.

[0027] In one possible implementation, see Appendix Figure 1 The positioning area 12 is provided with slide rails 13 on both sides, and sliders 14 are provided on the slide rails 13. The two sliders 14 are connected by rollers 3. When the rollers 3 pass over the surface of the positioning area 12, the outer circumferential surface of the rollers 3 can press the top surface of the positioning area 12. After lamination, the film plate 2 flips in the opposite direction and leaves. The rollers 3 move along the slide rails 13 and roll over the back of the adhesive, which can compact the lamination and effectively avoid problems such as bubbles and wrinkles in the lamination, improve the lamination quality, and make the protective film and the adhesive adhere more tightly.

[0028] In one possible implementation, referring to the accompanying drawings, a positioning platform 27 is provided on the side of the membrane plate 2 that adheres to the positioning area 12, and the positioning platform 27 protrudes from the surface of the membrane plate 2. Further, limit blocks 23 are provided on the membrane plate 2 on both sides of the positioning platform 27 and in the frame area near the rotating shaft 11. The limit blocks 23 are connected to the membrane plate 2 via an elastic guide structure. Initially, the top surface height of the limit blocks 23 exceeds the top surface height of the positioning platform 27. When the limit blocks 23 are compressed, they retract, and the top surface height of the limit blocks 23 becomes lower than the top surface height of the positioning platform 27. Initially, the top surface of the limit blocks 23 is higher than the positioning platform 27, making it easier to position the protective film. After the peripheral limit blocks 23 are compressed and retracted, their top surfaces protrude to form protruding areas. When flipping the film, the periphery automatically retracts, allowing the protective film to smoothly contact the adhesive, simplifying the operation and improving the accuracy and efficiency of the film application.

[0029] In one possible implementation, see Appendix Figure 4 The elastic guiding structure includes a guide post 24 and an elastic element 25 disposed between the limiting block 23 and the diaphragm plate 2. Initially, the elastic element 25 pushes the limiting block 23 away from the diaphragm plate 2. When compressed, the elastic force of the elastic element 25 is overcome, and the limiting block 23 is tightly attached to the diaphragm plate 2.

[0030] In one possible implementation, see Appendix Figure 1 On the membrane plate 2, an adjustment box 4 is provided in the frame area of ​​the positioning stage 27 away from the rotating shaft 11. A mandrel parallel to the rotating shaft 11 is provided inside the adjustment box 4, and a sealing membrane 41 is wound on the mandrel. A magnetic strip 42 is provided at the end of the sealing membrane 41. On the membrane plate 2, a concave strip 26 parallel to the rotating shaft 11 is provided. The shape of the concave strip 26 matches the magnetic strip 42, and a material that can be attracted by the magnetic strip 42 is provided inside the concave strip 26. This design can flexibly adapt to protective membranes of different lengths. For standard plates of various sizes, simply pull the sealing membrane 41 to attach the magnetic strip 42 to the corresponding position of the concave strip 26 to form a positioning frame. The area covered by the sealing membrane 41 can seal the adsorption holes to prevent leakage, ensuring that the adsorption holes on the other side can adsorb normally. This effectively solves the positioning problem caused by differences in the length of the protective membrane, improving the versatility and practicality of the device.

[0031] In one possible implementation, the mandrel is connected to the adjustment box 4 via a torsion spring or a coil spring. After the sealing diaphragm 41 is pulled and released, the sealing diaphragm 41 can rotate automatically. The use of torsion springs or coil springs is existing technology, and the structure of a measuring tape can be referred to. Alternatively, the mandrel and the adjustment box 4 are frictionally engaged and remain relatively fixed when there is no external force. The mandrel is provided with a handle after it extends beyond the adjustment box 4, and the sealing diaphragm 41 can be retracted or extended by manually turning it.

[0032] In one possible implementation, see Appendix Figure 1The adhesive positioning area 12 is a recessed area located on the top surface of the base 1. This structure can better pre-position the sheet adhesive and prevent it from shifting during placement. The adhesive positioning area 12 is also equipped with negative pressure adsorption holes 21, which can further enhance the fixing effect of the adhesive. During the lamination process, no matter how the film plate 2 is flipped, the adhesive can be firmly placed in the positioning area 12. When the film plate 2 is flipped away, it prevents the adhesive from being carried away, ensuring accurate lamination, effectively improving the lamination quality and efficiency, and reducing defective products caused by adhesive movement.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A sheet adhesive coating device, characterized in that, include: A base (1) is provided with a rotating shaft (11) driven by a power source, and a sheet-like adhesive positioning area (12) is also provided on the base (1). It also includes a membrane plate (2), one end of which is fixedly connected to the rotating shaft (11), and the other end is suspended. The rotating shaft (11) can drive the membrane plate (2) to rotate and fit into the positioning area (12). The side of the membrane plate (2) that fits into the positioning area (12) is provided with an adsorption hole (21) for adsorbing the membrane. The adsorption hole (21) is connected to a pressure source and can provide positive or negative pressure.

2. A sheeting compound film coating apparatus as claimed in claim 1, wherein: The membrane plate (2) has a cavity inside, which is connected to the adsorption hole (21); the rotating shaft (11) also has a cavity inside, which is connected to the cavity of the membrane plate (2); and the end of the rotating shaft (11) is provided with a pipe (22) connected to the pressure source.

3. A sheeting compound film coating apparatus as defined in claim 1, wherein: The positioning area (12) is provided with slide rails (13) on both sides, and sliders (14) are provided on the slide rails (13). The two sliders (14) are connected by rollers (3). When the rollers (3) pass through the surface of the positioning area (12), the outer circumferential surface of the rollers (3) can press the top surface of the positioning area (12).

4. A sheeting compound film coating apparatus as defined in claim 1, wherein: The membrane plate (2) has a positioning platform (27) on one side of the positioning area (12), and the positioning platform (27) protrudes from the surface of the membrane plate (2).

5. A sheeting compound film coating apparatus as claimed in claim 4, wherein: On the diaphragm plate (2), limit blocks (23) are provided on both sides of the positioning platform (27) and on the edge area near the rotating shaft (11). The limit blocks (23) are connected to the diaphragm plate (2) through an elastic guide structure. Initially, the top surface height of the limit block (23) exceeds the top surface height of the positioning platform (27). When the limit block (23) is squeezed, the limit block (23) retracts and the top surface height of the limit block (23) is lower than the top surface height of the positioning platform (27).

6. A sheeting compound film coating apparatus as claimed in claim 5, wherein: The elastic guide structure includes a guide post (24) and an elastic element (25) disposed between the limiting block (23) and the diaphragm plate (2).

7. The sheet adhesive coating apparatus as described in claim 5, characterized in that: On the membrane plate (2), an adjustment box (4) is provided in the frame area of ​​the positioning stage (27) away from the rotating shaft (11). A mandrel parallel to the rotating shaft (11) is provided in the adjustment box (4). A sealing membrane (41) is wound on the mandrel. A magnetic strip (42) is provided at the end of the sealing membrane (41). The membrane plate (2) is provided with a concave strip (26) parallel to the rotating shaft (11). The shape of the concave strip (26) matches the magnetic strip (42), and the concave strip (26) is provided with a material that can be attracted by the magnetic strip (42).

8. A sheeting compound film coating apparatus as claimed in claim 7, characterized in that: The spindle is connected to the adjustment box (4) via a torsion spring or a coil spring. After the sealing membrane (41) is pulled and released, the sealing membrane (41) can rotate automatically; or, the spindle and the adjustment box (4) are in frictional engagement and remain relatively fixed when there is no external force. The spindle is provided with a handle after it extends beyond the adjustment box (4).

9. A sheeting compound film coating apparatus as defined in claim 1, wherein: The adhesive positioning area (12) is a recessed area located on the top surface of the base (1).

10. A sheeting compound film coating apparatus as defined in claim 1, wherein: The glue positioning area (12) is also provided with negative pressure adsorption holes.

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