Glue spraying device for protective film production

By introducing a glue application mechanism and a traction mechanism into the protective film production device, the problem of uneven coating was solved, achieving uniform glue application and improving glue application efficiency, thus ensuring the quality of the protective film.

CN223800805UActive Publication Date: 2026-01-16LINQU JIAXING PLASTIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421489084.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2026-01-16
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing protective film production equipment has the problem of uneven coating, which affects the quality of the protective film.

Method used

The design employs a glue application mechanism and a traction mechanism. The elasticity of the springs ensures that the glue application roller adheres tightly to the protective film. Combined with a motor-driven threaded rod and traction plate system, this achieves uniform glue application and stable delivery of the protective film.

Benefits of technology

It improves the uniformity of the adhesive and the efficiency of application, ensuring the consistency of the protective film quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223800805U_ABST
    Figure CN223800805U_ABST
Patent Text Reader

Abstract

The utility model discloses a glue spraying device for protective film production, which comprises a base, a box body is fixedly arranged at the top end of the base, a glue storage box is fixedly arranged at the top end of the box body, a glue conveying pump is arranged at the top end of the glue storage box, and a glue conveying pipe is fixedly connected to the top end of the glue conveying pump. The other end of the glue conveying pipe penetrates through the top of the box body and is fixedly connected with a splitter plate, a plurality of glue spraying heads are fixedly arranged at the bottom end of the splitter plate, a plurality of glue distributing mechanisms are arranged on one sides of the glue spraying heads, and a traction mechanism is arranged in the box body. According to the glue spraying device for protective film production, the glue distribution mechanism is arranged, a fixing block moves downwards in a groove through the elastic effect of a spring, a glue distribution roller generates downward thrust, and therefore the glue distribution roller is attached to a protective film all the time, glue is evenly coated along with movement of the protective film, and the gluing uniformity is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of protection film, and specifically relates to a glue spraying device for protection film production. BACKGROUND

[0002] The protection film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials, and is widely used in electronic and electrical appliances, machinery, printing and other industries. During the production and processing of the protection film, the protection film needs to be coated with glue.

[0003] In the patent with the publication number CN211707140U, a glue coating device for protection film production is disclosed, which comprises a drying bin and a glue coating bin. The top of the drying bin is provided with the glue coating bin, and the inside of the glue coating bin is installed with an electric telescopic rod. The bottom end of the electric telescopic rod is provided with a flow guide plate, the bottom of the flow guide plate is provided with a glue spraying head, and the top of the glue coating bin is provided with a glue liquid storage tank.

[0004] However, the above structure has the following disadvantages. The device sprays glue on the protection film through the glue spraying head, which causes uneven coating and affects the quality of the protection film. Therefore, the utility model provides a glue spraying device for protection film production, which solves the above problems through the glue distribution mechanism and the traction mechanism. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a glue spraying device for protection film production, which solves the above problems.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a glue spraying device for protection film production, comprising a base, a box body fixedly arranged at the top end of the base, a glue storage tank fixedly arranged at the top end of the box body, a glue conveying pump arranged at the top end of the glue storage tank, a glue conveying pipe fixedly connected to the top end of the glue conveying pump, the other end of the glue conveying pipe penetrating through the top of the box body and being fixedly connected with a flow distribution plate, a plurality of glue spraying heads fixedly arranged at the bottom end of the flow distribution plate, a plurality of glue distribution mechanisms arranged on one side of the glue spraying heads, and a traction mechanism arranged in the box body.

[0007] A first fixed plate is symmetrically arranged at the top end of the base, and a supporting roller is rotatably connected between the two first fixed plates. A discharge port is formed in the side of the box body close to the winding roller.

[0008] Preferably, the glue distribution mechanism comprises a connecting plate, a groove, a fixing block, a glue distribution roller and a spring, the inside top of the box is symmetrically provided with a connecting plate, the opposite sides of the two connecting plates are provided with a groove, the inside of the groove is slidably connected with a fixing block, the fixing block is connected with a glue distribution roller through an axis between the two fixing blocks, the top of the fixing block is fixedly provided with a spring, and the other end of the spring is fixedly connected to the inside top of the groove.

[0009] Preferably, the traction mechanism comprises a first supporting plate, a first motor, a threaded rod, a moving block, a first traction plate, an adjusting rod, a second traction plate and a limiting plate, one side of the box is fixedly provided with a first supporting plate, the top of the first supporting plate is fixedly provided with a first motor, the output end of the first motor is connected with a threaded rod through a shaft coupling, the outer surface of the threaded rod is threadedly connected with a moving block, one side of the moving block is fixedly connected with a first traction plate, the top of the first traction plate is rotatably connected with an adjusting rod, the adjusting rod is threadedly connected with a second traction plate, the second traction plate is parallel to the first traction plate, and the top of the adjusting rod is fixedly provided with a limiting plate.

[0010] Preferably, the top of the other side of the base is symmetrically provided with a second fixing plate, the second fixing plate is rotatably connected with a winding roller between the two second fixing plates, one side of the second fixing plate is fixedly provided with a second supporting plate, the top of the second supporting plate is fixedly provided with a second motor, and the output end of the second motor penetrates through the second fixing plate and is connected with the winding roller through a shaft coupling.

[0011] Preferably, the front and rear sides of the box are provided with through holes, and the first traction plate and the second traction plate are slidably connected in the through holes.

[0012] Preferably, the side of the box close to the supporting roller is provided with a feeding port.

[0013] Preferably, one side of the box is fixedly provided with a third fixing plate, one side of the third fixing plate is fixedly provided with a bearing, and the inside of the bearing is rotatably connected with the threaded rod.

[0014] Beneficial effects

[0015] The utility model provides a kind of glue spraying device for protective film production. Compared with prior art, the following beneficial effects are achieved:

[0016] (1), the glue spraying device for protective film production, by setting glue distribution mechanism, the fixing block is moved downwards in the groove by the elastic effect of spring, so that the glue distribution roller generates downward thrust, so that the glue distribution roller is always attached to protective film, and the glue is evenly coated with the movement of protective film, and the uniformity of gluing is improved.

[0017] The protective film production glue spraying device, through the setting of the traction mechanism, places the end of the protective film on the first traction plate, rotates the limiting plate, the limiting plate drives the adjusting rod to rotate, the adjusting rod drives the second traction plate to move downwards, thereby clamping the end of the protective film, then starts the first motor, the first motor drives the threaded rod to rotate, the threaded rod drives the moving block to move, the moving block drives the end of the protective film to move through the first traction plate and the second traction plate, so that the end of the protective film can also be glued, and the gluing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the external structure of the utility model;

[0019] Figure 2 is the external structure of the utility model;

[0020] Figure 3 is the main view of the internal structure of the box of the utility model;

[0021] Figure 4 is the schematic view of the internal structure of the box of the utility model;

[0022] Figure 5 is the Figure 4 structure enlarged view of A in the middle.

[0023] In the drawing, 1 is a base, 2 is a box, 3 is a glue storage tank, 4 is a glue conveying pump, 5 is a glue conveying pipe, 6 is a flow dividing plate, 7 is a glue spraying head, 8 is a glue spreading mechanism, 81 is a connecting plate, 82 is a groove, 83 is a fixing block, 84 is a glue spreading roller, 85 is a spring, 9 is a traction mechanism, 91 is a first support plate, 92 is a first motor, 93 is a threaded rod, 94 is a moving block, 95 is a first traction plate, 96 is an adjusting rod, 97 is a second traction plate, 98 is a limiting plate, 10 is a first fixing plate, 11 is a support roller, 12 is a second fixing plate, 13 is a winding roller, 14 is a second support plate, 15 is a second motor, 16 is a through hole, 17 is a feeding port, 18 is a discharging port, 19 is a third fixing plate, and 20 is a bearing. DETAILED DESCRIPTION

[0024] 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.

[0025] Please refer to Figures 1-5The utility model provides a kind of glue spraying device for protective film production, including base 1, the top of base 1 is fixedly provided with box 2, the top of box 2 is fixedly provided with glue storage tank 3, the top of glue storage tank 3 is provided with glue pump 4, the top of glue pump 4 is fixedly connected with glue pipe 5, another end of glue pipe 5 penetrates the top of box 2 and is fixedly connected with shunt plate 6, the bottom of shunt plate 6 is fixedly provided with a plurality of glue spraying heads 7, start glue pump 4, glue pump 4 extracts glue inside glue storage tank 3 and is transported to shunt plate 6 by glue pipe 5, and glue is sprayed on protective film by a plurality of glue spraying heads 7, one side of glue spraying head 7 is provided with a plurality of glue distribution mechanisms 8, the inside of box 2 is provided with traction mechanism 9;

[0026] The top of base 1 is symmetrically provided with a first fixed plate 10 on one side, and a supporting roller 11 is rotatably connected between the two first fixed plates 10. The side of the box 2 close to the winding roller 13 is provided with a discharge port 18.

[0027] In this embodiment, the supporting roller 11 is provided to support the protective film without glue, so that the protective film is always in a horizontal state, improving the glue spraying effect.

[0028] In one of the embodiments, the top of the supporting roller 11 is flush with the top of the first traction plate 95.

[0029] In this embodiment, the discharge port 18 is provided to facilitate the discharge of the protective film after gluing.

[0030] In one of the embodiments, the discharge port 18 is at the same horizontal plane as the winding roller 13.

[0031] Specifically, referring to Figure 4 and Figure 5 , the glue distribution mechanism 8 includes a connecting plate 81, a groove 82, a fixed block 83, a glue distribution roller 84, and a spring 85. The inside of the box 2 is symmetrically provided with a connecting plate 81 on the top. The opposite sides of the two connecting plates 81 are provided with grooves 82. The inside of the groove 82 is slidably connected with a fixed block 83. The two fixed blocks 83 are connected by a rotating shaft with a glue distribution roller 84. The top of the fixed block 83 is fixedly provided with a spring 85. The other end of the spring 85 is fixedly connected to the inside top of the groove 82.

[0032] In this embodiment, the glue distribution mechanism 8 is provided to evenly apply glue, improving the uniformity of gluing.

[0033] In one of the embodiments, the fixed block 83 is moved downward in the groove 82 by the elastic action of the spring 85, so that the glue distribution roller 84 generates a downward thrust, so that the glue distribution roller 84 is always attached to the protective film, and the glue is evenly applied as the protective film moves.

[0034] Specifically, referring to Figure 2 and Figure 4The traction mechanism 9 comprises a first supporting plate 91, a first motor 92, a threaded rod 93, a moving block 94, a first traction plate 95, an adjusting rod 96, a second traction plate 97 and a limiting plate 98. The first supporting plate 91 is fixedly arranged on one side of the box body 2. The first motor 92 is fixedly arranged at the top end of the first supporting plate 91. The output end of the first motor 92 is connected with the threaded rod 93 through a shaft coupling. The moving block 94 is threadedly connected with the outer surface of the threaded rod 93. The first traction plate 95 is fixedly connected to one side of the moving block 94. The adjusting rod 96 is rotatably connected to the top end of the first traction plate 95. The second traction plate 97 is threadedly connected to the adjusting rod 96. The second traction plate 97 is parallel to the first traction plate 95. The limiting plate 98 is fixedly arranged at the top end of the adjusting rod 96.

[0035] In the embodiment, the traction mechanism 9 is arranged to enable the end of the protective film to be coated with glue, thereby improving the glue coating efficiency.

[0036] In one of the embodiments, the end of the protective film is placed on the first traction plate 95. The limiting plate 98 is rotated to drive the adjusting rod 96 to rotate. The adjusting rod 96 drives the second traction plate 97 to move downward, thereby clamping the end of the protective film. Then, the first motor 92 is started to drive the threaded rod 93 to rotate. The threaded rod 93 drives the moving block 94 to move. The moving block 94 drives the end of the protective film to move through the first traction plate 95 and the second traction plate 97, so that the end of the protective film can be coated with glue, thereby improving the glue coating efficiency.

[0037] Specifically, referring to Figure 1 and Figure 2 , the other side of the top end of the base 1 is symmetrically provided with a second fixed plate 12. The second fixed plate 12 is rotatably connected with a winding roller 13 between two second fixed plates 12. The second fixed plate 12 is fixedly provided with a second supporting plate 14 on one side. The second supporting plate 14 is fixedly provided with a second motor 15 at the top end. The output end of the second motor 15 penetrates through the second fixed plate 12 and is connected with the winding roller 13 through a shaft coupling.

[0038] In the embodiment, the winding roller 13 is arranged to facilitate winding the protective film coated with glue.

[0039] In one of the embodiments, the end of the protective film coated with glue is placed on the winding roller 13. The second motor 15 is started to drive the winding roller 13 to rotate, thereby winding the protective film.

[0040] Specifically, referring to Figure 1 and Figure 3 , the front and rear sides of the box body 2 are provided with through holes 16. The first traction plate 95 and the second traction plate 97 are slidably connected in the through holes 16.

[0041] In the embodiment, the through hole 16 is arranged, so that the first traction plate 95 and the second traction plate 97 are moved.

[0042] In one of the embodiments, the bottom end of the first traction plate 95 is in contact with the inner bottom end of the through hole 16.

[0043] Specifically, referring to Figure 2 and Figure 4 , the box 2 is provided with a feeding port 17 on the side close to the supporting roller 11.

[0044] In the embodiment, the feeding port 17 is arranged, so that the protective film to be coated is fed into the box 2.

[0045] In one of the embodiments, the feeding port 17 is in the same horizontal plane as the supporting roller 11.

[0046] Specifically, referring to Figure 2 , the box 2 is fixedly provided with a third fixed plate 19 on one side, the third fixed plate 19 is fixedly provided with a bearing 20 on one side, and the bearing 20 is rotatably connected with a threaded rod 93 in the inside.

[0047] In the embodiment, the third fixed plate 19 and the bearing 20 are arranged, so that the rotation effect of the threaded rod 93 is improved.

[0048] In one of the embodiments, when the first motor 92 drives the threaded rod 93 to rotate, the other end of the threaded rod 93 rotates in the inside of the bearing 20.

[0049] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0050] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0051] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A glue spraying device for protective film production, comprising a base (1), characterized in that: The top end of the base (1) is fixedly provided with a box body (2), the top end of the box body (2) is fixedly provided with a glue storage box (3), the top end of the glue storage box (3) is provided with a glue conveying pump (4), the top end of the glue conveying pump (4) is fixedly connected with a glue conveying pipe (5), the other end of the glue conveying pipe (5) penetrates through the top of the box body (2) and is fixedly connected with a flow distribution plate (6), the bottom end of the flow distribution plate (6) is fixedly provided with a plurality of glue spraying heads (7), one side of the glue spraying head (7) is provided with a plurality of glue distribution mechanisms (8), and the inside of the box body (2) is provided with a traction mechanism (9). The top end of the base (1) is fixedly provided with a box body (2), the top end of the box body (2) is fixedly provided with a glue storage box (3), the top end of the glue storage box (3) is provided with a glue conveying pump (4), the top end of the glue conveying pump (4) is fixedly connected with a glue conveying pipe (5), the other end of the glue conveying pipe (5) penetrates through the top of the box body (2) and is fixedly connected with a flow distribution plate (6), the bottom end of the flow distribution plate (6) is fixedly provided with a plurality of glue spraying heads (7), one side of the glue spraying head (7) is provided with a plurality of glue distribution mechanisms (8), and the inside of the box body (2) is provided with a traction mechanism (9).

2. The glue spraying device for protective film production according to claim 1, characterized in that: The traction mechanism (9) comprises a first supporting plate (91), a first motor (92), a threaded rod (93), a moving block (94), a first traction plate (95), an adjusting rod (96), a second traction plate (97) and a limiting plate (98), one side of the box body (2) is fixedly provided with the first supporting plate (91), the top end of the first supporting plate (91) is fixedly provided with the first motor (92), the output end of the first motor (92) is connected with the threaded rod (93) through a shaft coupling, the outer surface of the threaded rod (93) is threadedly connected with the moving block (94), one side of the moving block (94) is fixedly connected with the first traction plate (95), the top end of the first traction plate (95) is rotatably connected with the adjusting rod (96), the adjusting rod (96) is threadedly connected with the second traction plate (97), the second traction plate (97) is parallel to the first traction plate (95), and the top end of the adjusting rod (96) is fixedly provided with the limiting plate (98).

3. The glue spraying device for protective film production according to claim 1, characterized in that: The top end of the base (1) is fixedly provided with a box body (2), the top end of the box body (2) is fixedly provided with a glue storage box (3), the top end of the glue storage box (3) is provided with a glue conveying pump (4), the top end of the glue conveying pump (4) is fixedly connected with a glue conveying pipe (5), the other end of the glue conveying pipe (5) penetrates through the top of the box body (2) and is fixedly connected with a flow distribution plate (6), the bottom end of the flow distribution plate (6) is fixedly provided with a plurality of glue spraying heads (7), one side of the glue spraying head (7) is provided with a plurality of glue distribution mechanisms (8), and the inside of the box body (2) is provided with a traction mechanism (9).

4. The glue spraying device for protective film production according to claim 1, characterized in that: ​ 5. The glue spraying device for protective film production according to claim 3, characterized in that: Both sides of the box (2) are provided with through holes (16), the inside of the through hole (16) is slidably connected with the first traction plate (95) and the second traction plate (97).

6. The glue spraying device for protective film production according to claim 1, characterized in that: The box (2) is provided with a feeding port (17) on one side close to the supporting roller (11).

7. The glue spraying device for protective film production according to claim 3 or 5, characterized in that: One side of the box (2) is fixedly provided with a third fixed plate (19), one side of the third fixed plate (19) is fixedly provided with a bearing (20), and the inside of the bearing (20) is rotatably connected with the threaded rod (93).

Citation Information

Patent Citations

  • Gluing device for production of protective film

    CN211707140U