Silicone rubber belt gluing equipment and silicone rubber belt gluing method

Abstract

A silicone rubber tape gluing device and a silicone rubber tape gluing method belong to the technical field of tape gluing. The silicone rubber tape gluing device includes an unwinding component, a tape laminating component, a coating component, a back-adhesive laminating component and a rewinding component, wherein the unwinding component is used to unfold the rolled silicone rubber tape; the tape laminating component is used to laminarize the tape on the serrated side of the silicone rubber tape; the coating component is used to coat the silicone rubber tape laminating tape; the back-adhesive laminating component is used to laminarize the adhesive film and the silicone rubber tape; and the rewinding component is used to rewind the silicone rubber tape after the back-adhesive laminating. The silicone rubber tape gluing device provided by the present invention can coat and laminarize silicone rubber tapes with serrated cross-sections, and has the advantages of high production efficiency and good production quality. The present invention also provides a silicone rubber tape gluing method based on the above-mentioned silicone rubber tape gluing device.

Description

Technical Field

[0001] The invention relates to the technical field of adhesive tape coating, and in particular to a silicone rubber tape coating device and a silicone rubber tape coating method. Background Art

[0002] At present, the existing new energy vehicle power battery packs often use thin silicone rubber belts with a serrated cross-section due to the need for heat dissipation. That is, the thin silicone rubber belt with a serrated cross-section is glued to the microchannel aluminum flat tube to achieve insulation, shock absorption, heat conduction, and heat dissipation.

[0003] Traditional silicone rubber belt gluing equipment has the following problems in coating and laminating silicone rubber belts with serrated cross-sections: First, the silicone rubber belts with serrated cross-sections are prone to shrinkage deformation during gluing, resulting in uneven adhesion of the product back glue, gaps and wrinkles, a high defective rate and serious scrap; second, the primer is not applied evenly, the adhesive force of the back glue after coating is low, it is easy to debond and the lamination is not reliable, and the lamination quality is unstable; third, coating and gluing cannot be integrated into one production, requiring a large amount of manual labor and high production costs.

[0004] Therefore, a device with high production efficiency and good production quality is needed to carry out the gluing operation on the silicone rubber belt with a sawtooth cross-section. Summary of the invention

[0005] The object of the present invention is to provide a silicone rubber belt coating device, which has the advantages of high production efficiency and good production quality.

[0006] Another object of the present invention is to provide a method for coating a silicone rubber belt, which has the advantages of strong tightness and no shrinkage or deformation of the silicone rubber belt during the processing.

[0007] The embodiment of the present invention is achieved as follows:

[0008] A silicone rubber belt gluing device is used for coating a silicone rubber belt with a sawtooth cross section with a back glue, comprising:

[0009] An unwinding assembly, used for unwinding the rolled silicone rubber belt;

[0010] An adhesive tape laminating assembly, used to laminarly attach an adhesive tape to a serrated side of the silicone rubber tape;

[0011] A coating assembly, which is used to coat the silicone rubber belt of the adhesive tape;

[0012] Adhesive backing laminating assembly, which is used to laminat the adhesive film and the silicone rubber belt with adhesive backing;

[0013] The winding component is used to wind up the silicone rubber belt after the adhesive backing is applied.

[0014] In a preferred embodiment of the present invention, a first deviation-correcting component is further included, which is used to correct the deviation of the silicone rubber belt unrolled by the unwinding component.

[0015] In a preferred embodiment of the present invention, it also includes an anti-shrinkage component, which is used to stretch and shrink-proof the silicone rubber belt corrected by the first correcting component.

[0016] In a preferred embodiment of the present invention, an air-drying device is further included, which is used to air-dry the silicone rubber belt after the coating operation.

[0017] In a preferred embodiment of the present invention, it also includes a tape separation component, which is used to separate the tape attached to the air-dried silicone rubber belt.

[0018] In a preferred embodiment of the present invention, a second deviation correction component is further included, which is used to correct the deviation of the silicone rubber belt after the tape is separated and recovered.

[0019] In a preferred embodiment of the present invention, it also includes a tape winding assembly, which is used to wind up and recycle the separated tape.

[0020] In a preferred embodiment of the present invention, it also includes a tape composite assembly, which is used to provide a release film for composite with the tape rolled up by the tape rolling assembly.

[0021] In a preferred embodiment of the present invention, a bracket is further included, which is used to support the unwinding assembly, the tape laminating assembly, the coating assembly, the adhesive laminating assembly and the winding assembly.

[0022] The present invention also provides a silicone rubber tape gluing method, which is carried out using the above-mentioned silicone rubber tape gluing equipment, and comprises the following steps: unfolding a silicone rubber tape with a serrated cross-section and laminating the tape, then coating the silicone rubber tape with the laminating tape, and finally laminating the adhesive film and the silicone rubber tape with the backing adhesive and rolling it up.

[0023] The beneficial effects of the embodiments of the present invention are as follows: the silicone rubber tape gluing equipment provided by the embodiments of the present invention includes an unwinding component, a tape laminating component, a coating component, a back-adhesive laminating component and a rewinding component, wherein the unwinding component is used to unfold the rewound silicone rubber tape; the tape laminating component is used to laminarize the tape on the serrated side of the silicone rubber tape; the coating component is used to perform coating operations on the silicone rubber tape laminating tape; the back-adhesive laminating component is used to laminarize the adhesive film and the silicone rubber tape with back adhesive; the rewinding component is used to rewind the silicone rubber tape after back adhesive laminating. The silicone rubber tape gluing equipment provided by the present invention can perform coating and laminating operations on silicone rubber tapes with serrated cross-sections, and has the advantages of high production efficiency and good production quality. The present invention also provides a silicone rubber belt gluing method based on the above-mentioned silicone rubber belt gluing equipment, which comprises unfolding a silicone rubber belt with a serrated cross-section and attaching an adhesive tape thereto, then coating the silicone rubber belt attached with the adhesive tape, and finally attaching the adhesive film to the silicone rubber belt attached with the adhesive tape and rolling it up. The silicone rubber belt gluing method has the advantages of strong tightness of attachment and the silicone rubber belt will not shrink or deform during the processing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic diagram of the structure of a silicone rubber belt coating device provided in Example 1 of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of the first and second correcting components in Example 1 of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the silicone rubber belt prepared in Example 1 of the present invention;

[0028] Figure 4 This is a process step diagram of the silicone rubber belt coating method provided in Example 2 of the present invention.

[0029] In the figure: 001-silicone rubber belt gluing equipment; 11-bracket; 12-workbench; 13-unwinding roller; 14-first tension roller; 15-first pressure roller; 16-equipment display screen; 17-control panel; 18-adhesive film; 19-adhesive tape; 20-silicone rubber belt; 21-stretching roller; 22-first conveyor belt; 24-adhesive tape unwinding roller; 25-guide roller; 26-release film winding roller; 27-active rubber Roller; 28-driven rubber roller; 31-coating roller; 32-first upper pressure roller; 33-second upper pressure roller; 34-primer material tank; 41-air drying box; 50-laminating roller; 51-second pressure roller; 52-second conveyor belt; 53-pressure roller; 54-self-adhesive film unwinding roller; 60-guide roller; 61-winding roller; 62-release film unwinding roller; 63-second tension roller; 64-separation roller; 65-composite roller. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] Example 1

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, this embodiment provides a silicone rubber belt gluing device 001, which is used to apply back glue to a silicone rubber belt 20 with a sawtooth cross section, and includes:

[0039] An unwinding assembly, used for unwinding the rolled silicone rubber belt 20;

[0040] An adhesive tape laminating assembly, which is used to laminarly attach the adhesive tape 19 to the serrated side of the silicone rubber tape 20;

[0041] A coating assembly, which is used to coat the silicone rubber belt 20 of the bonding tape 19;

[0042] Adhesive backing assembly, which is used to adhere adhesive film 18 and silicone rubber belt 20 to adhesive backing;

[0043] The winding assembly is used to wind up the silicone rubber belt 20 after the adhesive backing is applied.

[0044] In this embodiment, the unwinding assembly includes an unwinding roller 13 that can rotate to unwind the silicone rubber tape 20 and a first tension roller 14 for winding the silicone rubber tape 20; the tape laminating assembly includes a tape unwinding roller 24 that can rotate to unwind the tape 19, a guide roller 25 for winding the tape 19, and an active rubber roller 27 and a driven rubber roller 28 for laminating the tape 19 and the silicone rubber tape 20, the active rubber roller 27 and the driven rubber roller 28 are arranged up and down and a gap is reserved between them for the tape 19 and the silicone rubber tape 20 to pass through; the coating assembly includes a coating roller 31, a first upper pressure roller 32, and a second upper pressure roller Roller 33 and a liftable primer trough 34, the first upper pressing roller 32, the coating roller 31 and the primer trough 34 are arranged in sequence from top to bottom, and a gap is reserved between the first upper pressing roller 32 and the coating roller 31 for the adhesive tape 19 and the silicone rubber tape 20 to pass through; the adhesive back bonding component includes an adhesive film unwinding roller 54 rotatable to unfold the adhesive film 18, a laminating roller 50 and a pressure roller 53, and a gap is reserved between the laminating roller 50 and the pressure roller 53 for the adhesive film 18 and the silicone rubber tape 20 to pass through; the winding component includes a winding roller 61 rotatable to wind up the silicone rubber tape 20, and the adhesive tape 19 is polyethylene.

[0045] The silicone rubber tape gluing device 001 provided in the embodiment of the present invention can perform coating and laminating operations on a silicone rubber tape 20 having a serrated cross-section, and has the advantages of high production efficiency and good production quality. The silicone rubber tape gluing device 001 includes an unwinding assembly for unwinding the rolled silicone rubber tape 20 for easy processing, a tape laminating assembly for laminating the adhesive tape 19 to the serrated side of the silicone rubber tape 20, a coating assembly for coating the silicone rubber tape 20 laminating the adhesive tape 19, a laminating back adhesive assembly for laminating the adhesive film 18 to the silicone rubber tape 20, and a winding assembly for winding up the silicone rubber tape 20 after laminating the back adhesive. When the silicone rubber belt coating equipment 001 is in operation, the unwinding roller 13 and the tape unwinding roller 24 are first driven to rotate and unfold the silicone rubber belt 20 and the tape 19, so that the silicone rubber belt 20 is wrapped around the first tension roller 14 and then closely adheres to the tape 19 wrapped around the guide roller 25 and passes through the gap between the active rubber roller 27 and the driven rubber roller 28 for bonding. The silicone rubber belt 20 bonded with the tape 19 then passes through the gap between the first upper pressure roller 32 and the coating roller 31 to be coated with the primer material tank 34 and then wrapped around the second upper pressure roller 33. The coated silicone rubber belt 20 is closely adhered to the adhesive film 18 unfolded by the back adhesive film unwinding roller 54 and passes through the reserved gap between the bonding roller 50 and the pressure roller 53 for bonding with the back adhesive, and is finally wound up by the winding roller 61 to complete the operation.

[0046] Among them, preferably, the base material of the tape 19 can be polyethylene, biaxially oriented polypropylene, or polyimide; preferably, the thickness of the tape 19 is between 0.075 and 0.15 mm; preferably, the coating roller 31 is an anilox roller; preferably, the diameters of the active rubber roller 27 and the driven rubber roller 28 are both between 80 and 160 mm; preferably, the Shore hardness of the active rubber roller 27 and the driven rubber roller 28 is 55-65A; preferably, the diameter of the laminating roller 50 is between 200 and 900 mm; preferably, the laminating roller 50 is a soft rubber roller or a surface-laminated soft material such as foamed polyurethane, nylon mesh, etc.; the silicone rubber tape coating equipment 001 also includes a release film winding roller 26 that can rotate to wind up the release film for recycling the release film removed from the tape 19. In this embodiment, the thickness of the adhesive tape 19 is 0.1 mm, the coating roller 31 is an anilox roller, the diameters of the active rubber roller 27 and the driven rubber roller 28 are both between 100 mm, the Shore hardness of the active rubber roller 27 and the driven rubber roller 28 is 60A, the diameter of the laminating roller 50 is 400 mm, and the laminating roller 50 is a soft rubber roller.

[0047] The silicone rubber belt coating equipment 001 also includes a first deviation correction component, which is used to correct the silicone rubber belt 20 unrolled by the unwinding component. The first deviation correction component includes a first conveyor belt 22 and a first pressure roller 15 close to the first conveyor belt 22. After being wound around the first tension roller 14, the silicone rubber belt 20 passes through the first conveyor belt 22 and the first pressure roller 15 and then adheres to the adhesive tape 19. The first deviation correction component can prevent the silicone rubber belt 20 from deviating.

[0048] It also includes an anti-shrinkage component, which is used to stretch and shrink-proof the silicone rubber belt 20 corrected by the first correcting component. The anti-shrinkage component includes at least one stretching roller 21. In this embodiment, a stretching roller 21 is respectively provided on both sides of the active rubber roller 27 and the driven rubber roller 28. The two ends of the silicone rubber belt 20 passing through the active rubber roller 27 and the driven rubber roller 28 are respectively wound on the two stretching rollers 21. The silicone rubber belt 20 can be stretched by the set stretching roller 21 to make it fit tightly with the tape 19 to further prevent the silicone rubber belt 20 from shrinking.

[0049] The silicone rubber belt coating equipment 001 also includes an air-drying device, which is used to air-dry the silicone rubber belt 20 after the coating operation. The air-drying device includes an air-drying box 41 for the coated silicone rubber belt 20 to pass through, and the air-drying box 41 is used to air-dry the primer coated on the silicone rubber belt 20.

[0050] The silicone rubber belt coating equipment 001 also includes a second deviation correction component, which is used to correct the silicone rubber belt 20 after the adhesive tape 19 is separated and recovered. The second deviation correction component includes a second conveyor belt 52 and a second pressure roller 51 close to the second conveyor belt 52. The air-dried silicone rubber belt 20 passes through the second conveyor belt 52 and the second pressure roller 51 and is bonded to the adhesive film 18 with the back adhesive. The second deviation correction component can prevent the silicone rubber belt 20 from deviating.

[0051] The silicone rubber tape coating equipment 001 also includes a tape separation component for separating the tape 19 adhered to the air-dried silicone rubber tape 20, a tape winding component for winding and recycling the separated tape 19, and a tape composite component for providing a release film and the tape 19 rolled up by the tape winding component for composite. The tape separation component includes a separation roller 64 and a guide roller 60 tightly attached to the separation roller 64, and there is a gap between the separation roller 64 and the guide roller 60 for the air-dried silicone rubber tape 20 to pass through; the tape winding component includes a composite roller 65 that can be rotated to wind up the release film and the tape 19, and the tape composite component includes a release film unwinding roller 62 that can be rotated to unfold the release film and a second tension roller 63 for winding the release film. When the coated and air-dried silicone rubber tape 20 passes through the separation roller 64 and the guide roller 60, the separation roller 64 separates the adhesive tape 19 adhered to the silicone rubber tape 20 and winds it on the composite roller 65. At the same time, the release film unwinding roller 62 rotates to unfold the release film and then winds the release film around the second tension roller 63 and then around the composite roller 65. The release film and the adhesive tape 19 are wound and composited through the composite roller 65.

[0052] The silicone rubber tape gluing device 001 further includes a bracket 11, which is used to support the unwinding component, the tape laminating component, the coating component, the adhesive laminating component and the winding component. The bracket 11 is arranged in a vertical direction or a substantially vertical direction so that the staff can stand and operate. The silicone rubber tape gluing device 001 further includes a workbench 12, which is connected to the bracket 11 for support. The middle of the bracket 11 is also provided with a device display screen 16 and a control panel 17 for the staff to control and view.

[0053] Example 2

[0054] like Figure 4 As shown, the embodiment of the present invention also provides a method for coating a silicone rubber belt, which is performed using the silicone rubber belt coating device 001 described above, and specifically includes the following steps:

[0055] The silicone rubber belt with a serrated cross-section is unfolded and then attached with the tape; preferably, both ends of the silicone rubber belt are stretched when attaching the tape; preferably, the thickness of the silicone rubber belt is between 0.2-3 mm and the width is between 30-200 mm. In this embodiment, the thickness of the silicone rubber belt is 1 mm and the width is 100 mm.

[0056] Then, the silicone rubber belt with the adhesive tape is coated; preferably, the silicone rubber belt is air-dried after the coating operation;

[0057] The adhesive film and the silicone rubber tape are attached to the adhesive backing and rolled up; preferably, the silicone rubber tape is separated from the adhesive tape first, and then the silicone rubber tape and the adhesive film are attached to the adhesive backing.

[0058] The silicone rubber belt coating method provided in the embodiment of the present invention uses adhesive tape to adhere to the serrated surface of the silicone rubber belt, so that the serrated surface of the silicone rubber belt can be smoothly coated, eliminating the shrinkage, wrinkle deformation and other undesirable conditions caused by tension changes on the serrated surface of the silicone rubber belt, thereby improving the product yield. At the same time, by stretching the silicone rubber belt, its shrinkage deformation can be effectively prevented, thereby improving the product yield.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for coating a silicone rubber belt, characterized in that: The method is carried out using a silicone rubber tape coating device, and includes the following steps: unfolding a silicone rubber tape with a sawtooth cross section and laminating the tape, then coating the silicone rubber tape laminating the tape, and finally, separating the silicone rubber tape from the tape, and then laminating the silicone rubber tape with the adhesive film; The silicone rubber belt gluing device is used to apply glue to the silicone rubber belt with a sawtooth cross section, and comprises: An unwinding assembly, used for unwinding the rolled silicone rubber belt; An adhesive tape laminating assembly, used to laminarly attach an adhesive tape to a serrated side of the silicone rubber tape; A coating assembly, which is used to coat the silicone rubber belt of the adhesive tape; A laminating adhesive backing assembly, which is used to laminat the adhesive film and the silicone rubber belt; A winding component, which is used to wind up the silicone rubber belt after the adhesive backing is applied; A first deviation-correcting component, which is used to correct the deviation of the silicone rubber belt unrolled by the unwinding component; An air drying device, which is used to air dry the silicone rubber belt after the coating operation; The adhesive tape separation component is used to separate the adhesive tape attached to the air-dried silicone rubber belt.

2. The method for coating a silicone rubber belt according to claim 1, characterized in that: It also includes an anti-shrinkage component, which is used to stretch and shrink-proof the silicone rubber belt corrected by the first correcting component.

3. The method for coating a silicone rubber belt according to claim 1, characterized in that: It also includes a second deviation correction component, which is used to correct the deviation of the silicone rubber belt after the tape is separated and recovered.

4. The method for coating a silicone rubber belt according to claim 1, characterized in that: It also includes an adhesive tape reeling assembly, which is used for reeling in the separated adhesive tape.

5. The method for coating a silicone rubber belt according to claim 4, characterized in that: It also includes a tape composite component, which is used to provide a release film for composite with the tape rolled up by the tape rolling component.

6. The method for coating a silicone rubber belt according to claim 1, characterized in that: It also includes a bracket, which is used to support the unwinding component, the tape laminating component, the coating component, the adhesive back laminating component and the winding component.

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