Hot melt adhesive film convenient to tear

Abstract

The utility model relates to the technical field of hot melt adhesive films, and discloses a hot melt adhesive film convenient to tear, which comprises a wind-up roller and an easy-to-tear mechanism, a positioning rod is fixedly arranged on the inner side of the wind-up roller, and the easy-to-tear mechanism is arranged on the outer side of the wind-up roller; the easy-to-tear mechanism comprises a hot melt adhesive film main body, a viscous layer and a dustproof base plate, the hot melt adhesive film main body is movably arranged on the outer side of the winding roller, the viscous layer is fixedly arranged above the hot melt adhesive film main body, and the dustproof base plate is movably arranged above the hot melt adhesive film main body; easily-torn protrusions are fixedly arranged on the front side and the rear side of the dustproof base plate, and a copolyamide layer is fixedly arranged on the upper portion of the inner side of the hot melt adhesive film body. According to the hot melt adhesive film convenient to tear, through the use of the easy-to-tear mechanism, hot melt adhesive films with the same size can be more conveniently cut through easy-to-tear scales when the hot melt adhesive film convenient to tear is used, and for hot melt adhesive films with different sizes, only a plurality of hot melt adhesive films need to be torn down and spliced, so that the hot melt adhesive film convenient to tear is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt adhesive film technical field, concretely to a kind of hot melt adhesive film convenient to tear. BACKGROUND

[0002] Hot melt adhesive film is a film product with or without release paper, which can be conveniently operated continuously or intermittently, and can be widely used for bonding various fabrics, paper, polymer materials and metals. Hot melt adhesive film is divided into two categories: thermoplastic and thermosetting, according to the use characteristics, and has the following characteristics: good uniformity and uniform bonding thickness; easy to process, no solvent, easy to process; good adhesion to many objects.

[0003] The prior art granted publication number CN221165305U discloses a hot melt adhesive film convenient to tear, which includes a base, a front end of the top end of the base is fixedly connected with a slide rail, a slide block is slidably connected in the slide rail, a blade is fixedly connected at the bottom end of the slide block, a limiting groove is formed at the top end of the base rear end, a bidirectional screw rod is rotatably connected in the limiting groove, a rotating wheel is fixedly connected with the bidirectional screw rod extending out of the base at the left side, two supporting frames are threadedly connected on the surface of the bidirectional screw rod, limiting blocks are fixedly connected at the opposite sides of the two supporting frames, a winding rod is sleeved on the surface of the limiting block, a through hole is formed in the winding rod, the diameter of the limiting block is smaller than that of the through hole, a hot melt adhesive film is sleeved on the surface of the winding rod, the width of the hot melt adhesive film is smaller than that of the winding rod, a release paper is arranged at the bottom end of the hot melt adhesive film, and a tearing piece is fixedly connected at the left side of the release paper. By arranging the bidirectional screw rod, the limiting groove and the supporting frame, the installation of the winding rod can be completed. By arranging the slide rail, the slide block and the blade, the hot melt adhesive film can be easily cut, the use efficiency of the hot melt adhesive film is improved, the cutting edge of the cutting part is neat, the hot melt adhesive film is prevented from being damaged, the production cost is reduced, and the tearing piece is arranged to facilitate the operator to peel the release paper from the bottom end of the hot melt adhesive film when pasting the article, thereby further improving the use efficiency of the hot melt adhesive film. However, when cutting the hot melt adhesive film of the same size repeatedly, the effect is poor. UTILITY MODEL CONTENTS

[0004] (I) Technical problem solved

[0005] The utility model aims to provide a hot melt adhesive film convenient to tear, to solve the problem of poor effect when cutting the hot melt adhesive film of the same size repeatedly in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical scheme: a hot melt adhesive film convenient to tear, including winding roller, positioning rod and easy tear mechanism, the inside fixed setting of winding roller is provided with positioning rod, the outside of winding roller is provided with easy tear mechanism,

[0008] The easy tear mechanism includes a hot melt adhesive film body, an adhesive layer, and a dust prevention pad, the outside of the winding roller movably sets the hot melt adhesive film body, the upper side of the hot melt adhesive film body fixedly sets the adhesive layer, and the upper side of the hot melt adhesive film body movably sets the dust prevention pad.

[0009] Preferably, the front and rear sides of the dust prevention pad are fixedly provided with easy-to-tear protrusions, the upper side of the inner side of the hot melt adhesive film body is fixedly provided with a copolyamide layer, and the copolyamide solution can be used as an adhesive, a protective coating, a synthetic leather, or a fiber treatment agent; the copolyamide film can be used as hot melt adhesive, fabric lining, etc.; and the copolyamide resin can be used as a photosensitive printing plate material and as a component of composite fibers.

[0010] Preferably, the lower side of the copolyamide layer is fixedly provided with a copolyester layer, and the copolyester is a brand-new transparent engineering plastic series with a light transmittance of 91%, reaching the transparency of organic glass and having excellent impact toughness close to or even exceeding that of polycarbonate.

[0011] Preferably, the lower side of the copolyester layer is fixedly provided with a vinyl acetate copolymer layer, which has good water resistance, corrosion resistance, processability, shock resistance, thermal insulation, and sound insulation.

[0012] Preferably, the lower side of the vinyl acetate copolymer layer is fixedly provided with a polyurethane layer, which has the excellent characteristics of not being scratched, no noise, long service life, cost reduction, temperature resistance from minus 20 degrees Celsius to high temperature of 120 degrees Celsius, and no pollution, non-toxic, and odorless, and the corresponding dust prevention pad position of the hot melt adhesive film body is also provided with an easy-to-tear scale.

[0013] Preferably, the inside of the winding roller is fixedly provided with a vertical reinforcing rod, the other side of the vertical reinforcing rod is fixedly connected with the positioning rod, the inside of the winding roller is fixedly provided with a horizontal reinforcing rod, and the other side of the horizontal reinforcing rod is fixedly connected with the positioning rod.

[0014] Preferably, the outside of the winding roller is fixedly provided with a mounting groove, one side of the hot melt adhesive film body is adhered to the outside of the winding roller through the mounting groove, and the inside of the hot melt adhesive film body is fixedly provided with an easy-to-tear scale.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The hot melt adhesive film convenient to tear, through the use of the easy-to-tear mechanism, the same size hot melt adhesive film can be conveniently cut by the easy-to-tear scale during use, and for different sizes, only a plurality of hot melt adhesive films need to be torn off for splicing, which is more convenient during use, and the copolyamide layer, the copolyester layer, the vinyl acetate copolymer layer and the polyurethane layer are arranged to better strengthen the strength and waterproof performance of the hot melt adhesive film, so that the effect is better during use, and the easy-to-tear protrusion can conveniently take the dustproof pad off the hot melt adhesive film, which is more convenient during use.

[0017] 2. The hot melt adhesive film convenient to tear, through the use of the vertical reinforcing rod and the horizontal reinforcing rod, the winding roller and the positioning rod can be better supported during use, so that it has higher strength and is not easy to deform to cause gaps between the hot melt adhesive films, and the mounting groove can conveniently mount the hot melt adhesive film outside the winding roller, which is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the easy-to-tear mechanism of the utility model;

[0020] Figure 3 It is a three-dimensional structure schematic diagram of the winding roller of the utility model;

[0021] Figure 4 It is a sectional structure schematic diagram of the easy-to-tear mechanism of the utility model.

[0022] In the drawing: 1, winding roller; 2, positioning rod; 3, easy-to-tear mechanism; 301, hot melt adhesive film main body; 302, adhesive layer; 303, dustproof pad; 304, easy-to-tear protrusion; 305, copolyamide layer; 306, copolyester layer; 307, vinyl acetate copolymer layer; 308, polyurethane layer; 309, easy-to-tear scale; 4, vertical reinforcing rod; 5, horizontal reinforcing rod; 6, mounting groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figure 1 - Figure 4The utility model provides a technical scheme: a hot melt adhesive film convenient to tear, including winding roller 1, positioning rod 2 and easy tear mechanism 3, the inside fixed setting of winding roller 1 is provided with positioning rod 2, the outside of winding roller 1 is provided with easy tear mechanism 3,

[0025] Easy tear mechanism 3 includes hot melt adhesive film body 301, adhesive layer 302 and dustproof pad 303, the outside of winding roller 1 movably is provided with hot melt adhesive film body 301, the top of hot melt adhesive film body 301 is fixedly provided with adhesive layer 302, and the top of hot melt adhesive film body 301 movably is provided with dustproof pad 303.

[0026] The front and rear sides of dustproof pad 303 are fixedly provided with easy tear protrusions 304, the top of the inside of hot melt adhesive film body 301 is fixedly provided with copolyamide layer 305, and copolyamide solution can be used for adhesive, protective coating, synthetic leather or fiber treating agent;Copolyamide film can be used for hot melt adhesive, fabric lining and the like;Copolyamide resin can be used as a component of composite fiber, copolyamide layer 305 is fixedly provided with copolyester layer 306 below, copolyester is a brand-new transparent engineering plastic series, and the light transmittance reaches 91%, reaches the transparency of organic glass, and the impact toughness is very good and approaches even exceeds polycarbonate, copolyester layer 306 is fixedly provided with vinyl acetate copolymer layer 307 below, has good water resistance, corrosion resistance, processability, shock resistance, thermal insulation and sound insulation, vinyl acetate copolymer layer 307 is fixedly provided with polyurethane layer 308 below, polyurethane has no noise, long service life, reduces cost, temperature resistance is at minus 20 degrees Celsius ~ high temperature 120 degrees Celsius, and polyurethane product has the excellent characteristics of no pollution, non-toxic and odorless, and the position of the corresponding dustproof pad 303 of hot melt adhesive film body 301 is also provided with easy tear scale 309.

[0027] The inside of winding roller 1 is fixedly provided with vertical reinforcing rod 4, the other side of vertical reinforcing rod 3 is fixedly connected with positioning rod 2, the inside of winding roller 1 is fixedly provided with horizontal reinforcing rod 5, the other side of horizontal reinforcing rod 5 is fixedly connected with positioning rod 2, the outside of winding roller 1 is fixedly provided with mounting groove 6, one side of hot melt adhesive film body 301 is adhered to the outside of winding roller 1 through mounting groove 6, the inside of hot melt adhesive film body 301 is fixedly provided with easy tear scale 7, the hot melt adhesive film convenient to tear, through the use of vertical reinforcing rod 4 and horizontal reinforcing rod 5, can better support winding roller 1 and positioning rod 2 when using, so that it has higher strength, is not easy to deform and cause gaps between hot melt adhesive films, and through mounting groove 6, hot melt adhesive film can be more conveniently installed on the outside of winding roller 1, and it is more convenient to use.

[0028] Working principle: the convenient to tear open hot melt adhesive film, through the use of easy to tear mechanism 3, make it through easy to tear scale 309 can more conveniently cut the same size hot melt adhesive film in use, for different size, only need to tear off the hot melt adhesive film splicing can, in use more convenient, and through the setting of copolyamide layer 305, copolyester layer 306, vinyl acetate copolymer layer 307 and polyurethane layer 308 to better strengthen the strength and waterproof performance of hot melt adhesive film, so that it is in use, the effect is better, and through the easy to tear convex 304 can be more convenient to take off the dust pad 303 from the hot melt adhesive film, in use more convenient, the convenient to tear open hot melt adhesive film, through the use of vertical reinforcing rod 4 and horizontal reinforcing rod 5, make it in use can better support the winding roller 1 and positioning rod 2, so that it has higher strength, not easy to deform and cause hot melt adhesive film between the gap, and through the installation groove 6 can be more convenient to install hot melt adhesive film on the outer side of winding roller 1, use more convenient.

[0029] Finally it should be explained that the above content is only used to explain the technical scheme of the present application, not to limit the scope of protection of the present application, the simple modification or equivalent replacement of the technical scheme of the present application by the ordinary skilled in the art, does not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. A hot melt adhesive film for easy tearing, comprising a winding roller (1), a positioning rod (2) and an easy tearing mechanism (3), characterized in that: The inner side of the winding roller (1) is fixedly provided with a positioning rod (2), and the outer side of the winding roller (1) is provided with a easy-to-tear mechanism (3); The easy-to-tear mechanism (3) comprises a hot melt adhesive film body (301), an adhesive layer (302) and a dustproof pad (303), the outer side of the winding roller (1) is movably provided with the hot melt adhesive film body (301), the upper side of the hot melt adhesive film body (301) is fixedly provided with the adhesive layer (302), and the upper side of the hot melt adhesive film body (301) is movably provided with the dustproof pad (303).

2. The hot melt adhesive film according to claim 1, wherein: The front and rear sides of the dustproof pad (303) are fixedly provided with easy-to-tear protrusions (304), and the inner side of the hot melt adhesive film body (301) is fixedly provided with a copolyamide layer (305) above.

3. A hot melt adhesive film for easy tear opening according to claim 2, characterized in that: The lower side of the copolyamide layer (305) is fixedly provided with a copolyester layer (306).

4. The hot melt adhesive film according to claim 3, wherein: The lower side of the copolyester layer (306) is fixedly provided with a vinyl acetate copolymer layer (307).

5. A hot melt adhesive film for easy tear opening according to claim 4, characterized in that: The lower side of the vinyl acetate copolymer layer (307) is fixedly provided with a polyurethane layer (308), and the corresponding dustproof pad (303) of the hot melt adhesive film body (301) is also provided with an easy-to-tear scale (309).

6. A hot melt adhesive film for easy tear opening according to claim 5, characterized in that: The inner side of the winding roller (1) is fixedly provided with a vertical reinforcing rod (4), the other side of the vertical reinforcing rod (4) is fixedly connected with the positioning rod (2), the inner side of the winding roller (1) is fixedly provided with a horizontal reinforcing rod (5), and the other side of the horizontal reinforcing rod (5) is fixedly connected with the positioning rod (2).

7. A hot melt adhesive film for easy tear opening according to claim 6, characterized in that: The outer side of the winding roller (1) is fixedly provided with a mounting groove (6), one side of the hot melt adhesive film body (301) is adhered to the outer side of the winding roller (1) through the mounting groove (6), and the inner side of the hot melt adhesive film body (301) is fixedly provided with an easy-to-tear scale (309).

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