Glue coating device for protective film production

Abstract

The utility model discloses a glue coating device for protective film production, and belongs to the technical field of protective film production. The coating machine comprises a machine body, a coating assembly and a conveying belt, a transverse groove is formed in the top of the machine body, a hydraulic push rod is installed in the transverse groove, the coating assembly comprises a shell, a glue storage cavity is formed in the shell, a groove is formed in the bottom face of the shell, two glue outlets are formed in the bottom face of the glue storage cavity, the glue outlets are communicated with the groove, and a bottom groove is formed in the inner wall of the groove. Three stop blocks are installed in the bottom groove, the back portions of the stop blocks are fixedly connected with one ends of springs, the other ends of the springs are fixedly connected with the bottom face of the bottom groove, sliding grooves are formed in the two ends of the groove, the two ends of the coating roller are clamped in the sliding grooves in a sliding mode, and fixing blocks are arranged on the two sides of the shell. The protective film is continuously conveyed into the coating device through the conveying belt, glue is uniformly coated on the surface of the protective film through the coating assembly and dried, and the problem that the glue cannot be continuously and uniformly coated on the surface of the protective film is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to protective film production technical field, specifically is a glue coating device for protective film production. BACKGROUND

[0002] The protective film can be divided into digital product protective film, automobile protective film, household protective film, food preservation protective film and the like according to use. The production process of the protective film includes material preparation, coating, drying, cutting, winding and packaging and the like. Each step needs to strictly control the process parameters to ensure the quality and performance of the protective film. The production process of the protective film not only needs to use advanced equipment and technology, but also needs to have rich experience and fine operation. After coating, drying is carried out. Drying is to volatilize the solvent in the coated substrate, and heating helps the adhesive to better bond with the substrate. In the protective film production process, a suitable glue coating device is needed to coat the glue on the surface of the protective film. SUMMARY

[0003] The utility model discloses a glue coating device for protective film production, which continuously transports the protective film into the coating device through the conveying belt, uniformly coats the glue on the surface of the protective film through the coating assembly and dries, solving the problem that the glue cannot be uniformly coated on the surface of the protective film continuously.

[0004] The utility model discloses a glue coating device for protective film production, which continuously transports the protective film into the coating device through the conveying belt, uniformly coats the glue on the surface of the protective film through the coating assembly and dries, solving the problem that the glue cannot be uniformly coated on the surface of the protective film continuously.

[0005] The utility model discloses a glue coating device for protective film production, which continuously transports the protective film into the coating device through the conveying belt, uniformly coats the glue on the surface of the protective film through the coating assembly and dries, solving the problem that the glue cannot be uniformly coated on the surface of the protective film continuously.

[0006] The coating assembly includes a housing, a glue storage cavity is formed in the housing, a groove is formed in the bottom surface of the housing, two glue outlets are formed in the bottom surface of the glue storage cavity, the glue outlets are communicated with the groove, a bottom groove is formed in the inner wall of the groove, three stop blocks are installed in the bottom groove, the back of each stop block is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the bottom surface of the bottom groove, a sliding groove is formed at each end of the groove, the coating rollers are slidingly connected in the sliding grooves, a fixed block is arranged on each side of the housing, and one side of the fixed block is fixedly connected with the moving end of the hydraulic push rod.

[0007] Further, a cavity is formed in the body, an installation groove is formed in the top of the inner wall of the cavity, and a slot is formed in each side of the cavity.

[0008] Further, a heating assembly is installed in the installation groove, and a conveying belt is installed in the cavity.

[0009] Further, a heating assembly is installed in the installation groove, and a conveying belt is installed in the cavity.

[0010] Further, the groove is an arc-shaped groove, and a length of an inner surface of the groove is two-thirds of a circumference.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a coating assembly is set up, and the hydraulic push rod is lifted to control coating assembly, and the coating assembly is controlled to glue, when the coating roller and the protective film on the lower conveyer belt resist, the gap is produced between the groove and the coating roller, and the glue can flow out from the gap, when stopping coating, the coating roller is under the action of spring and resists the edge of the groove, prevents the glue from leaking from the groove, and the glue can continuously and evenly coat on the protective film surface, and the heating assembly is installed in the body, and the protective film after coating is dried.

[0013] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is structural schematic diagram of coating device;

[0015] Figure 2 It is plan view of coating device;

[0016] Figure 3 It is sectional structure schematic diagram of A-A place;

[0017] Figure 4 It is sectional structure schematic diagram of B-B place;

[0018] Figure 5 It is structural schematic diagram of shell.

[0019] In the drawing: 1, body;2, coating assembly;3, hydraulic push rod;4, conveyer belt;5, heating assembly;101, horizontal groove;102, cavity;103, installation groove;104, slot;201, shell;202, glue storage cavity;203, groove;204, glue outlet;205, bottom groove;206, stop block;207, spring;208, coating roller;209, cover plate;2010, sliding groove;2011, fixed block. DETAILED DESCRIPTION

[0020] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a glue coating device for protective film production, including body 1, body 1 top is equipped with horizontal groove 101, hydraulic push rod 3 is installed in horizontal groove 101, coating assembly 2 includes shell 201, glue storage cavity 202 is equipped in shell 201, recess 203 is equipped in the bottom surface of shell 201, two glue outlets 204 are equipped on the bottom surface of glue storage cavity 202, glue outlet 204 is communicated with recess 203, bottom groove 205 is equipped on the inner wall of recess 203, three stop blocks 206 are installed in bottom groove 205, stop block 206 back and spring 207 one end are fixedly connected, spring 207 other end and recess 203 bottom are fixedly connected, recess 203 both ends are equipped with sliding slot 2010, coating roller 208 both ends are slidably connected in sliding slot 2010, both sides of shell 201 are equipped with fixed block 2011, fixed block 2011 one side and hydraulic push rod 3 moving end are fixedly connected, recess 203 is arc recess, the circumference of recess 203 inner surface is two-thirds of circumference, cover plate 209 is installed on the top of shell 201.

[0023] In the embodiment, when using, the coating roller 208 is in contact with the protective film on the lower conveying belt 4 by the contraction of the hydraulic push rod 3, the coating roller 208 is pressed into the recess 203 under the action of the conveying belt 4, a gap is formed between the recess 203 and the coating roller 208, so that the glue can flow out from the gap, and the glue is uniformly coated on the surface of the protective film by the rolling of the coating roller 208 on the surface of the protective film. When stopping coating, the hydraulic push rod 3 is elongated, the coating roller 208 is separated from the conveying belt 4, the coating roller 208 is ejected from the recess 203 under the action of the spring, and the coating roller 208 is in contact with the edge of the recess 203, so that the gap disappears, the glue is prevented from leaking from the recess 203, and the glue can be continuously and uniformly coated on the surface of the protective film.

[0024] A cavity 102 is formed in the body 1, an installation groove 103 is formed in the top of the inner wall of the cavity 102, slot openings 104 are formed on both sides of the cavity 102, a heating assembly 5 is installed in the installation groove 103, and a conveying belt 4 is installed in the cavity 102.

[0025] In the embodiment, the protective film is continuously conveyed into the body 1 by the conveying belt 4, and the coated protective film is dried by the heating assembly 5 installed on the top of the cavity 102 after coating is completed.

[0026] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments described. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A glue coating device for protective film production, characterized by: Including fuselage (1), the top of fuselage (1) is provided with horizontal groove (101), hydraulic push rod (3) is installed in horizontal groove (101); It also includes coating assembly (2), the shell (201) is provided with glue storage cavity (202) in the shell (201), the recess (203) is formed in the bottom surface of shell (201), two glue outlets (204) are formed in the bottom surface of glue storage cavity (202), the glue outlet (204) is communicated with recess (203), the bottom groove (205) is formed in the inner wall of recess (203), three stop blocks (206) are installed in the bottom groove (205), the back of stop block (206) is fixedly connected with one end of spring (207), the other end of spring (207) is fixedly connected with the bottom surface of bottom groove (205), the sliding slot (2010) is formed in both ends of recess (203), the coating roller (208) is slidably connected in the sliding slot (2010), the fixed block (2011) is arranged on both sides of shell (201), one side of fixed block (2011) is fixedly connected with the moving end of hydraulic push rod (3).

2. The adhesive coating device for a protective film according to claim 1, wherein The cavity (102) is formed in the fuselage (1), the installation groove (103) is formed in the top of the inner wall of cavity (102), the slot (104) is formed in both sides of cavity (102).

3. The adhesive coating device for a protective film according to claim 2, wherein The heating assembly (5) is installed in the installation groove (103), and the conveying belt (4) is installed in the cavity (102).

4. The adhesive coating device for protective film production according to claim 1, wherein The cover plate (209) is installed on the top of shell (201).

5. The adhesive coating device for a protective film according to claim 1, wherein The recess (203) is an arc-shaped recess, and the inner surface circumference of the recess (203) is two-thirds of a circumference.

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