High-temperature-resistant hot melt adhesive tape

Abstract

The utility model relates to the technical field of hot-melt adhesive tapes, and discloses a high-temperature-resistant hot-melt adhesive tape which comprises a central roll and an adhesive tape body, a fixed seat is arranged on the central roll; the adhesive tape body is arranged on the central roll, and the output end of the adhesive tape body is arranged in the fixed seat in a penetrating manner; the adhesive tape body comprises a bonding layer, a base layer, a reinforcing layer, a heat-resistant layer and a waterproof layer; the bonding layer is arranged on the bottom surface of the base layer; the reinforcing layer is arranged on the top surface of the base layer; the heat-resistant layer is arranged on the top surface of the reinforcing layer; the waterproof layer is arranged on the top surface of the heat-resistant layer; a cutting part is arranged in the fixed seat and is used for cutting the output end of the adhesive tape body; the heat-resistant layer comprises a first heat-resistant layer and a second heat-resistant layer; the first heat-resistant layer is arranged on the top surface of the reinforcing layer; the second heat-resistant layer is arranged on the top surface of the first heat-resistant layer and is connected with the waterproof layer.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-melt adhesive tapes, in particular to a high-temperature resistant hot-melt adhesive tape. Background Art

[0002] With the rapid development of social economy, the use of hot melt adhesive is becoming more and more widespread. Hot melt adhesive is a plastic adhesive. Its physical state changes with temperature within a certain temperature range, while its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. Because the product itself is solid, easy to package, transport, store, solvent-free, pollution-free, non-toxic; and has the advantages of simple production process, high added value, high bonding strength, and fast speed, it is highly favored. Hot melt tape is also often used in some electrical fields.

[0003] For example, the Chinese patent document with publication number CN201981157U, whose patent name is hot-melt adhesive tape, mentions that "the hot-melt adhesive tape is composed of fiber layers and hot-melt adhesive layers arranged at intervals, and multiple fiber layers are formed into strips under the bonding of the hot-melt adhesive layers." This structure has the advantages of good tensile strength, good ductility, and not easy to break. However, the existing hot-melt adhesive tape has a single function and poor high-temperature resistance. The adhesiveness is prone to failure after long-term use, resulting in the inability to firmly bond objects. In addition, when the existing hot-melt adhesive tape is torn, it needs to be cut with the help of tools, which reduces the convenience of using the hot-melt adhesive tape.

[0004] Therefore, a high temperature resistant hot melt adhesive tape is urgently needed to solve the above problems. Utility Model Content

[0005] Based on the above, the purpose of the utility model is to provide a high temperature resistant hot melt tape to solve the problem that the existing hot melt tape has a single function, poor high temperature resistance, and is prone to failure, resulting in the inability to firmly bond objects.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A high-temperature resistant hot-melt tape, comprising a center roll and a tape body; a fixing seat is provided on the center roll; the tape body is arranged on the center roll, and the output end of the tape body is passed through the fixing seat; the tape body comprises an adhesive layer, a base layer, a reinforcing layer, a heat-resistant layer and a waterproof layer; the adhesive layer is arranged on the bottom surface of the base layer; the reinforcing layer is arranged on the top surface of the base layer; the heat-resistant layer is arranged on the top surface of the reinforcing layer; the waterproof layer is arranged on the top surface of the heat-resistant layer; a cutting component is provided in the fixing seat, and the cutting component is used to cut the output end of the tape body; the heat-resistant layer comprises a first heat-resistant layer and a second heat-resistant layer; the first heat-resistant layer is arranged on the top surface of the reinforcing layer; the second heat-resistant layer is arranged on the top surface of the first heat-resistant layer and is connected to the waterproof layer.

[0008] As a preferred solution of a high-temperature resistant hot-melt adhesive tape, the heat-resistant layer further includes a heat-resistant film; the heat-resistant film is disposed on the second heat-resistant layer and is located between the waterproof layer and the second heat-resistant layer.

[0009] As a preferred solution for a high-temperature resistant hot-melt tape, the first heat-resistant layer is a polyethylene layer, and the second heat-resistant layer is an aluminum foil layer; the thickness of the first heat-resistant layer is greater than the thickness of the second heat-resistant layer; and the heat-resistant film is a PET film.

[0010] As a preferred solution of a high temperature resistant hot melt tape, the cutting component includes a pressing block and a cutter; the pressing block is slidably connected to the fixing seat and is located above the tape body; the cutter is fixed to one end of the pressing block.

[0011] As a preferred solution for high-temperature resistant hot-melt tape, a sliding cavity is provided between the fixed seat and the pressure block; sliding grooves are provided at both ends of the sliding cavity, and springs are respectively sleeved at both ends of the fixed seat, and one end of the spring is connected to the sliding groove; the cutter is located in the sliding cavity; the pressure block is pressed, and the pressure block drives the cutter to extend out of the sliding cavity, and the cutter cuts off the output end of the tape body.

[0012] As a preferred solution for the high-temperature resistant hot-melt adhesive tape, a mounting cavity is provided in the fixing seat, and the mounting cavity is located below the sliding cavity; the output end of the adhesive tape body is passed through the mounting cavity.

[0013] As a preferred solution for the high-temperature resistant hot-melt adhesive tape, limit blocks are provided at both ends of the installation cavity, and the output end of the adhesive tape body is passed through the center of the limit blocks.

[0014] As a preferred solution for high-temperature resistant hot-melt tape, the base layer is provided with multiple groups of first grooves and second grooves distributed vertically; the reinforcing layer is provided with multiple groups of first connecting blocks corresponding to the first grooves; and the adhesive layer is provided with multiple groups of second connecting blocks corresponding to the second grooves.

[0015] As a preferred solution of a high-temperature resistant hot-melt tape, the reinforcing layer includes an anti-stretching layer and a glass fiber layer; the glass fiber layer is arranged on the top surface of the base layer; the anti-stretching layer is arranged on the top surface of the glass fiber layer and is connected to the second heat-resistant layer.

[0016] As a preferred solution of the high temperature resistant hot melt adhesive tape, a flame retardant layer is provided between the reinforcing layer and the heat resistant layer.

[0017] The beneficial effects of the utility model are:

[0018] By setting the first heat-resistant layer and the second heat-resistant layer, and using the first heat-resistant layer of a polyethylene layer and the second heat-resistant layer of an aluminum foil layer, the tape body has good high-temperature resistance, can adapt to high-temperature environments, and improves the service life of the hot-melt tape. At the same time, by setting a fixing seat and a cutting component, when the hot-melt tape is torn, the cutting component is pressed so that the cutter inside it extends outward, and the hot-melt tape is quickly cut off by the cutting component, which simplifies the cutting steps and improves the convenience of using the hot-melt tape. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of a high temperature resistant hot melt adhesive tape provided by the utility model;

[0020] Figure 2 A schematic diagram of the internal structure of the tape body provided by the utility model;

[0021] Figure 3 A schematic diagram of the internal structure of the fixing seat provided by the utility model;

[0022] Figure 4 A schematic diagram of the internal structure of the heat-resistant layer provided by the utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of the reinforcement layer provided by the utility model.

[0024] Among them, the reference numerals in the figure are:

[0025] 10. Center roll; 11. Fixed seat; 111. Sliding cavity; 112. Installation cavity; 113. Limit block; 12. Cutting component; 121. Press block; 122. Cutter; 123. Spring; 20. Tape body; 21. Adhesive layer; 22. Base layer; 23; Reinforcement layer; 231; Glass fiber layer; 232; Anti-stretching layer; 241. First heat-resistant layer; 242. Second heat-resistant layer; 243. Heat-resistant film; 25. Waterproof layer; 26. Flame-retardant layer. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0027] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between 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.

[0028] In the present utility model, 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.

[0029] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present utility model.

[0030] In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more than two. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0031] In one embodiment of the present invention, Figure 1-5 As shown, a high-temperature resistant hot-melt tape is provided, including a central roll 10 and a tape body 20. A fixing seat 11 is provided on the central roll 10. The tape body 20 is arranged on the central roll 10, and the output end of the tape body 20 is inserted into the fixing seat 11. The tape body 20 includes an adhesive layer 21, a base layer 22, a reinforcing layer 23, a heat-resistant layer and a waterproof layer 25. The adhesive layer 21 is arranged on the bottom surface of the base layer 22. The reinforcing layer 23 is arranged on the top surface of the base layer 22. The heat-resistant layer is arranged on the top surface of the reinforcing layer 23. The waterproof layer 25 is arranged on the top surface of the heat-resistant layer. A cutting component 12 is provided in the fixing seat 11, and the cutting component 12 is used to cut the output end of the tape body 20. The heat-resistant layer includes a first heat-resistant layer 241 and a second heat-resistant layer 242. The first heat-resistant layer 241 is arranged on the top surface of the reinforcing layer 23. The second heat-resistant layer 242 is arranged on the top surface of the first heat-resistant layer 241 and is connected to the waterproof layer 25.

[0032] In this embodiment, the waterproof layer 25 is a waterproof coating to prevent moisture from penetrating into the hot melt tape, thereby maintaining its viscosity and adhesion.

[0033] By providing a first heat-resistant layer 241 and a second heat-resistant layer 242, and using a first heat-resistant layer 241 of a polyethylene layer and a second heat-resistant layer 242 of an aluminum foil layer, the tape body 20 has good high temperature resistance, can adapt to high temperature environments, and improves the service life of the hot melt tape. At the same time, by providing a fixing seat 11 and a cutting component 12, when the hot melt tape is torn, the cutting component 12 is pressed so that the cutter 122 inside it extends outward, and the hot melt tape is quickly cut off by the cutting component 12, thereby simplifying the cutting steps and improving the convenience of using the hot melt tape.

[0034] Preferably, the heat-resistant layer further includes a heat-resistant film 243. The heat-resistant film 243 is disposed on the second heat-resistant layer 242 and between the waterproof layer 25 and the second heat-resistant layer 242. The heat-resistant film 243 is provided to further increase the high temperature resistance and effectively prevent heat from being conducted into the tape body 20.

[0035] Specifically, the first heat-resistant layer 241 is a polyethylene layer, and the second heat-resistant layer 242 is an aluminum foil layer. The thickness of the first heat-resistant layer 241 is greater than the thickness of the second heat-resistant layer 242. The heat-resistant film 243 is a PET film. The first heat-resistant layer 241, the second heat-resistant layer 242 and the heat-resistant film 243 enable the tape body 20 to have good high temperature resistance, can adapt to high temperature environments, and improve the service life of the hot melt tape. The thickness of the first heat-resistant layer 241 and the second heat-resistant layer 242 are different, which can provide stable heat-resistant protection.

[0036] Preferably, the cutting component 12 includes a pressing block 121 and a cutter 122. The pressing block 121 is slidably connected to the fixing seat 11 and is located above the tape body 20. The cutter 122 is fixed to one end of the pressing block 121. By pressing the pressing block 121, the cutter 122 is extended to the outside of the fixing seat 11, so that one side of the hot melt tape fits with the cutter 122, and the hot melt tape in use is quickly cut off by the cutter 122 without the aid of external tools, thereby simplifying the cutting steps and improving the convenience of using the hot melt tape.

[0037] Furthermore, a sliding cavity 111 is provided between the fixed seat 11 and the pressing block 121. Slide grooves are provided at both ends of the sliding cavity 111, and springs 123 are respectively sleeved at both ends of the fixed seat 11, and one end of the spring 123 is connected to the slide groove. The cutter 122 is located in the sliding cavity 111. When the pressing block 121 is pressed, the pressing block 121 drives the cutter 122 to extend outward from the sliding cavity 111, and the cutter 122 cuts off the output end of the tape body 20, thereby simplifying the cutting steps and improving the convenience of using the hot melt tape.

[0038] Furthermore, a mounting cavity 112 is provided in the fixing seat 11, and the mounting cavity 112 is located below the sliding cavity 111. The output end of the tape body 20 is arranged in the mounting cavity 112. Limiting blocks 113 are provided at both ends of the mounting cavity 112, and the output end of the tape body 20 is arranged in the center of the limiting blocks 113. By providing the limiting blocks 113 at both ends of the mounting cavity 112, the movable space of the tape body 20 in the mounting cavity 112 is reduced, which facilitates the fixing of the tape body 20 by the fixing seat 11, and prevents the tape body 20 from easily falling off from the fixing seat 11.

[0039] Preferably, the base layer 22 is provided with a plurality of groups of first grooves and second grooves distributed vertically. The reinforcing layer 23 is provided with a plurality of groups of first connecting blocks corresponding to the first grooves. The adhesive layer 21 is provided with a plurality of groups of second connecting blocks corresponding to the second grooves. Through the coordinated connection between the first grooves and the first connecting blocks, the second grooves and the second connecting blocks, the connection strength between the base layer 22 and the reinforcing layer 23 and the adhesive layer 21 is increased, the overall strength of the tape body 20 is strengthened, and the service life of the hot melt tape is increased.

[0040] Preferably, the reinforcing layer 23 includes an anti-stretching layer 232 and a glass fiber layer 231. The glass fiber layer 231 is disposed on the top surface of the base layer 22. The anti-stretching layer 232 is disposed on the top surface of the glass fiber layer 231 and is connected to the second heat-resistant layer 242. By providing the glass fiber layer 231 and the anti-stretching layer 232, the reinforcing layer 23 has good tensile strength and toughness, enhances the overall strength of the tape body 20, and improves the service life of the hot melt tape.

[0041] Preferably, a flame retardant layer 26 is provided between the reinforcing layer 23 and the heat-resistant layer. In this embodiment, the flame retardant layer 26 is filled with a halogen-free flame retardant or an aluminum hydroxide flame retardant, so that the tape body 20 has good flame retardancy and improves the service life of the hot melt tape.

[0042] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A high temperature resistant hot melt adhesive tape, characterized in that: include: A central roll, wherein a fixing seat is provided on the central roll; The tape body is arranged on the central roll, and the output end of the tape body is inserted into the fixing seat; the tape body comprises an adhesive layer, a base layer, a reinforcing layer, a heat-resistant layer and a waterproof layer; the adhesive layer is arranged on the bottom surface of the base layer; the reinforcing layer is arranged on the top surface of the base layer; the heat-resistant layer is arranged on the top surface of the reinforcing layer; and the waterproof layer is arranged on the top surface of the heat-resistant layer; Among them, a cutting component is provided in the fixing seat, and the cutting component is used to cut the output end of the tape body; the heat-resistant layer includes a first heat-resistant layer and a second heat-resistant layer; the first heat-resistant layer is arranged on the top surface of the reinforcing layer; the second heat-resistant layer is arranged on the top surface of the first heat-resistant layer and is connected to the waterproof layer.

2. A high temperature resistant hot melt adhesive tape according to claim 1, characterized in that: The heat-resistant layer also includes a heat-resistant film; the heat-resistant film is arranged on the second heat-resistant layer and is located between the waterproof layer and the second heat-resistant layer.

3. A high temperature resistant hot melt adhesive tape according to claim 2, characterized in that: The first heat-resistant layer is a polyethylene layer, and the second heat-resistant layer is an aluminum foil layer; the thickness of the first heat-resistant layer is greater than the thickness of the second heat-resistant layer; and the heat-resistant film is a PET film.

4. A high temperature resistant hot melt adhesive tape according to claim 1, characterized in that: The cutting component comprises a pressing block and a cutter; the pressing block is slidably connected to the fixing seat and is located above the adhesive tape body; the cutter is fixed to one end of the pressing block.

5. A high temperature resistant hot melt adhesive tape according to claim 4, characterized in that: A sliding cavity is provided between the fixed seat and the pressure block; sliding grooves are provided at both ends of the sliding cavity, and springs are respectively sleeved at both ends of the fixed seat, and one end of the spring is connected to the sliding groove; the cutter is located in the sliding cavity; the pressure block is pressed, and the pressure block drives the cutter to extend out of the sliding cavity, and the cutter cuts off the output end of the tape body.

6. A high temperature resistant hot melt adhesive tape according to claim 5, characterized in that: The fixing seat is provided with an installation cavity, and the installation cavity is located below the sliding cavity; the output end of the tape body is passed through the installation cavity.

7. A high temperature resistant hot melt adhesive tape according to claim 6, characterized in that: Limit blocks are arranged at both ends of the installation cavity, and the output end of the tape body is arranged through the center of the limit blocks.

8. The high temperature resistant hot melt adhesive tape according to claim 1, characterized in that: The base layer is provided with a plurality of groups of first grooves and second grooves distributed vertically; the reinforcing layer is provided with a plurality of groups of first connecting blocks corresponding to the first grooves; and the adhesive layer is provided with a plurality of groups of second connecting blocks corresponding to the second grooves.

9. The high temperature resistant hot melt adhesive tape according to claim 1, characterized in that: The reinforcing layer includes an anti-stretching layer and a glass fiber layer; the glass fiber layer is arranged on the top surface of the base layer; the anti-stretching layer is arranged on the top surface of the glass fiber layer and is connected to the second heat-resistant layer.

10. The high temperature resistant hot melt adhesive tape according to claim 1, characterized in that: A flame retardant layer is provided between the reinforcement layer and the heat resistant layer.

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