Adhesive layer uniform coating device for automobile paint surface protective film

Abstract

The utility model discloses an adhesive layer uniform coating device for an automobile paint surface protective film, relates to the technical field of adhesive layer coating, and aims to solve the problem that defects such as uneven thickness and rib lines which are easily caused in the traditional process cannot be detected in time in the manufacturing of the automobile paint surface protective film, the adhesive layer uniform coating device comprises a coating machine, and a front seat is arranged in front of the coating machine; the control cabinet is fixedly connected to one side of the coating machine; the two ends of the conveying platform are fixedly connected to the interior of the coating machine; the bottom plate is located on the side, away from the front seat, of the conveying platform, and the two sides of the bottom plate are fixedly connected to the inner wall of the coating machine; and the glue detection assembly is arranged above the bottom plate. The adhesive layer uniform coating device for the automobile paint surface protective film has the technical effects that the thickness of the adhesive layer and the bubble defect can be respectively and accurately detected, the multi-dimensional control on the coating quality is realized, the adhesive force is improved, and the laminating effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of glue layer coating technology especially relates to a glue layer uniform coating device for automobile paint protection film. BACKGROUND

[0002] The automobile paint protection film is also called invisible car cover or car cover, the product base material adopts PCL polycaprolactone special aliphatic TPU material, has high transparency and high toughness characteristics, the product covers the car paint surface through TPU film, has the functions of anti-scratching and corrosion resistance, and the surface scratch can be self-healing.

[0003] In the automobile paint protection film manufacturing process, the uniformity and apparent flatness of the glue layer coating directly affect the quality performance of the product, the traditional coating process often has defects such as uneven thickness, bone pattern, orange peel pattern and bubbles, which cannot be detected in time, resulting in inconsistent adhesion, poor bonding effect and insufficient durability. UTILITY MODEL CONTENT

[0004] The utility model discloses a glue layer uniform coating device for automobile paint protection film, aims at solving the technical problems that uneven thickness, bone pattern and other defects in the traditional process of automobile paint protection film manufacturing cannot be detected in time, and then leading to poor adhesion, poor bonding effect and insufficient durability.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a glue layer uniform coating device for automobile paint protection film, comprising: a coating machine, a front seat is arranged in front of the coating machine; a control cabinet is fixedly connected to one side of the coating machine; a conveying platform is fixedly connected to the inside of the coating machine at both ends; a bottom plate is located on the side away from the front seat of the conveying platform, and the bottom plate is fixedly connected to the inner wall of the coating machine at both sides; a glue detection assembly is arranged above the bottom plate, and the glue detection assembly is used for detecting bubbles and glue thickness after the protective film is smeared with glue.

[0006] In a preferred scheme, the glue detection assembly comprises: a fixed seat, the bottom end of which is fixedly connected to the top end of the bottom plate; a guide seat, the bottom end of which is fixedly connected to the top end of the bottom plate; a thickness detector, which is fixedly connected to the inner side of the fixed seat; a bubble detector, which is located above the guide seat and the fixed seat.

[0007] In a preferred scheme, the glue detection assembly further comprises: a support plate, one end of which is slidably connected to the top end of the fixed seat at the bottom, and the bottom end of the bubble detector is fixedly connected to the bottom end of the support plate; a sliding seat, which is slidably connected to the outer side of the guide seat, and the top end of the sliding seat is fixedly connected to the bottom of the end of the support plate away from the thickness detector; a motor rack, which is fixedly connected to the side of the guide seat away from the coating machine.

[0008] In a preferred scheme, the inner side of the motor frame is fixedly connected with a driving motor, the power output shaft of the driving motor is connected with a threaded rod through a shaft coupling, the threaded rod is arranged in the interior of the guide seat, a sliding groove is formed in the top end of the guide seat, and a sliding seat is slidingly connected in the interior of the sliding groove.

[0009] In a preferred scheme, the inner side of the front seat is provided with two tension rollers, and a cloth roller is arranged on the inner side of the front seat and located between the two tension rollers.

[0010] In a preferred scheme, the inner side of the coating machine is provided with two glue storage tanks, the top end of each glue storage tank is provided with a supply pipeline, the top end of each supply pipeline is provided with a micro-fluidic coating head, and the two ends of each micro-fluidic coating head are fixedly connected to the inner side of the coating machine.

[0011] In a preferred scheme, the top of the conveying platform is provided with an ultrasonic glue uniformizing system, the two ends of the ultrasonic glue uniformizing system are arranged on the inner side of the coating machine, the inner side of the coating machine is provided with a plurality of micro-glue line forming rollers, the micro-glue line forming rollers are located above the conveying platform, the side of the bottom plate close to the coating machine is provided with a deflection roller, the deflection roller is arranged in the interior of the coating machine, and the top end of the coating machine is fixedly connected with a top plate.

[0012] As can be seen, the glue layer uniform coating device for automobile paint protection film has the technical effects of precisely detecting the glue layer thickness and bubble defects, realizing multi-dimensional control of coating quality, improving adhesion, and increasing the lamination effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a kind of glue layer uniform coating device for automobile paint protection film of overall structure schematic diagram for the utility model proposes;

[0014] Figure 2 The utility model provides a kind of glue layer uniform coating device for automobile paint protection film of coating machine internal structure schematic diagram for the utility model proposes;

[0015] Figure 3 The utility model provides a kind of glue layer uniform coating device for automobile paint protection film of front seat internal structure schematic diagram for the utility model proposes;

[0016] Figure 4 The utility model provides a kind of glue layer uniform coating device for automobile paint protection film of glue detection subassembly structure schematic diagram for the utility model proposes;

[0017] Figure 5The utility model provides a kind of glue detection subassembly part structure schematic diagram for the even coating device of adhesive layer of automobile paint protection film.

[0018] In the drawing: 1, coating machine; 2, control cabinet; 3, front seat; 4, tension roller; 5, cloth roller; 6, conveying platform; 7, top plate; 8, glue storage tank; 9, supply pipeline; 10, microfluidic coating head; 11, ultrasonic uniform glue system; 12, micro glue line forming roller; 13, deflection roller; 14, glue detection assembly; 1401, fixed seat; 1402, thickness detector; 1403, motor frame; 1404, driving motor; 1405, threaded rod; 1406, guide seat; 1407, sliding seat; 1408, support plate; 1409, bubble detector; 15, bottom plate. DETAILED DESCRIPTION

[0019] 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, not all the embodiments.

[0020] The even coating device for adhesive layer of automobile paint protection film disclosed by the utility model is mainly applied to automobile paint protection film manufacturing, and the traditional process can not detect defects such as uneven thickness and ribbed bone pattern in time, thereby leading to scenarios of poor adhesion, poor fitting effect and insufficient durability.

[0021] Referring to Figures 1-5 An even coating device for adhesive layer of automobile paint protection film, comprising: a coating machine 1, a front seat 3 is arranged in front of the coating machine 1; a control cabinet 2 is fixedly connected to one side of the coating machine 1; a conveying platform 6 is fixedly connected to the inside of the coating machine 1 at both ends; a bottom plate 15 is located on the side of the conveying platform 6 away from the front seat 3, and the bottom plate 15 is fixedly connected to the inner wall of the coating machine 1 at both sides; a glue detection assembly 14 is arranged above the bottom plate 15, and the glue detection assembly 14 is used for detecting bubbles and glue thickness after the protective film is smeared with glue.

[0022] Referring to Figure 1 , Figure 4 and Figure 5 In a preferred embodiment, the glue detection assembly 14 comprises: a fixed seat 1401, which is fixedly connected to the top end of the bottom plate 15; a guide seat 1406, which is fixedly connected to the top end of the bottom plate 15; a thickness detector 1402, which is fixedly connected to the inner side of the fixed seat 1401; and a bubble detector 1409, which is located above the guide seat 1406 and the fixed seat 1401.

[0023] In the scheme, the glue detection assembly 14 further comprises: a support plate 1408, which is slidingly connected to the top end of the fixed seat 1401 at one end bottom of the thickness detector 1402, and the bottom end of the bubble detector 1409 is fixedly connected to the bottom end of the support plate 1408; a sliding seat 1407, which is slidingly connected to the outer side of the guide seat 1406, and the top end of the sliding seat 1407 is fixedly connected to the bottom of the one end of the support plate 1408 away from the thickness detector 1402; and a motor frame 1403, which is fixedly connected to the side of the guide seat 1406 away from the coating machine 1.

[0024] In the scheme, the inner side of the motor frame 1403 is fixedly connected with a driving motor 1404, the power output shaft of the driving motor 1404 is connected with a threaded rod 1405 through a shaft coupling, the threaded rod 1405 is arranged in the interior of the guide seat 1406, a sliding groove is formed in the top end of the guide seat 1406, the sliding seat 1407 is slidingly connected in the interior of the sliding groove, and the bottom end of the sliding seat 1407 is arranged on the outer side of the threaded rod 1405.

[0025] The glue detection assembly 14 can accurately detect the glue layer thickness and bubble defects respectively, realize multi-dimensional control of the coating quality, improve the adhesion, and increase the bonding effect.

[0026] With reference to Figures 1-3 In a preferred embodiment, the inner side of the preposition seat 3 is provided with two tension rollers 4, the inner side of the preposition seat 3 is provided with a cloth roller 5, and the cloth roller 5 is located between the two tension rollers 4.

[0027] In the scheme, the inner side of the preposition seat 3 is provided with two tension rollers 4, the inner side of the preposition seat 3 is provided with a cloth roller 5, and the cloth roller 5 is located between the two tension rollers 4.

[0028] In the scheme, the upper side of the conveying platform 6 is provided with an ultrasonic glue uniformizing system 11, the two ends of the ultrasonic glue uniformizing system 11 are arranged on the inner side of the coating machine 1, the inner side of the coating machine 1 is provided with a plurality of micro glue line forming rollers 12, and the micro glue line forming rollers 12 are located above the conveying platform 6, the side of the bottom plate 15 close to the coating machine 1 is provided with a deflection roller 13, the deflection roller 13 is arranged in the interior of the coating machine 1, and the top end of the coating machine 1 is fixedly connected with a top plate 7.

[0029] Working principle: the car paint protection film is wound outside the cloth roller 5, the two tensioning rollers 4 inside the front seat 3 are used for tensioning the protection film, ensuring that the protection film is flat and wrinkle-free during the conveying process, then the protection film is pulled by the tensioning roller 4 and conveyed to the conveying platform 6, providing a stable substrate carrier for the subsequent coating process, the two glue storage tanks 8 inside the coating machine 1 store the glue to be coated, the glue is conveyed to the micro-fluidic coating head 10 through the supply pipeline 9 (the supply pipeline 9 is arranged in the round hole of the conveying platform 6), the micro-fluidic coating head 10 uniformly coats the glue on the surface of the car paint protection film on the conveying platform 6, realizing accurate coating, after the glue coating is completed, the ultrasonic glue uniformizing system 11 above the conveying platform 6 is started, the glue on the surface of the protection film is uniformly dispersed through ultrasonic vibration, eliminating the problems of glue accumulation or uneven distribution that may occur during the coating process, ensuring that the glue layer thickness is initially uniform, the micro-glue line forming rollers 12 inside the coating machine 1 process the surface of the glue after glue uniformization, so that the glue layer surface forms a specific texture, enhancing the adhesion and protection performance of the subsequent paint protection film, the protection film after micro-glue line forming is driven by the reversing roller 13 to change the conveying direction, so that the glue surface faces upwards and enters the bottom plate 15 area, preparing for the subsequent glue detection process, the thickness detector 1402 fixed inside the fixed seat 1401 first detects the overall thickness of the glue after coating when the protection film enters the bottom plate 15 area, judges whether the glue layer thickness meets the process standard, after the thickness detection is completed, the driving motor 1404 (fixed inside the motor bracket 1403) is started, the power output shaft drives the threaded rod 1405 to rotate through the coupling, since the bottom end inside the sliding seat 1407 is threadedly connected with the threaded rod 1405, and the sliding seat 1407 is slidingly connected in the sliding groove of the guide seat 1406, the rotation of the threaded rod 1405 drives the sliding seat 1407 to move linearly along the guide seat 1406, the support plate 1408 fixedly connected with the sliding seat 1407 moves accordingly, thereby driving the bubble detector 1409 fixed to the bottom end of the support plate 1408 to move back and forth on the glue surface, and scanning the glue layer comprehensively to detect whether there is a bubble defect.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. An adhesive layer uniform coating device for a car paint surface protection film, characterized by, Include: Coating machine (1), the front of the coating machine (1) is provided with a front seat (3); control cabinet (2), fixedly connected to one side of the coating machine (1); conveying platform (6), both ends are fixedly connected to the inside of the coating machine (1); bottom plate (15), located on the side of the conveying platform (6) away from the front seat (3), both sides of the bottom plate (15) are fixedly connected to the inner wall of the coating machine (1); glue detection assembly (14), arranged above the bottom plate (15), the glue detection assembly (14) is used for detecting the bubble and glue thickness after the protective film is smeared with glue.

2. The uniform coating device for the adhesive layer of the automobile paint protection film according to claim 1, characterized in that, The glue detection assembly (14) comprises: a fixed seat (1401) fixedly connected to the top end of the bottom plate (15); a guide seat (1406) fixedly connected to the top end of the bottom plate (15); a thickness detector (1402) fixedly connected to the inner side of the fixed seat (1401); a bubble detector (1409) located above the guide seat (1406) and the fixed seat (1401).

3. The device for uniform coating of the adhesive layer of a protective film for a car paint according to claim 2, characterized in that, The glue detection assembly (14) further comprises: a support plate (1408) slidably connected to the top end of the fixed seat (1401) at one end of the bottom of the thickness detector (1402), the bottom end of the bubble detector (1409) fixedly connected to the bottom end of the support plate (1408); a sliding seat (1407) slidably connected to the outer side of the guide seat (1406), the top end of the sliding seat (1407) fixedly connected to the bottom of one end of the support plate (1408) away from the thickness detector (1402); a motor rack (1403) fixedly connected to the side of the guide seat (1406) away from the coating machine (1).

4. The uniform coating device for the adhesive layer of the automobile paint protection film according to claim 3, characterized in that, The inner side of the motor rack (1403) is fixedly connected with a driving motor (1404), the power output shaft of the driving motor (1404) is connected with a threaded rod (1405) through a shaft coupling, the threaded rod (1405) is arranged in the guide seat (1406), a sliding groove is formed in the top end of the guide seat (1406), the sliding seat (1407) is slidably connected in the sliding groove, and the bottom end of the sliding seat (1407) is arranged on the outer side of the threaded rod (1405).

5. The uniform coating device for the adhesive layer of the automobile paint protection film according to claim 1, characterized in that, The inner side of the front seat (3) is provided with two tensioning rollers (4), the inner side of the front seat (3) is provided with a cloth roller (5), and the cloth roller (5) is located between the two tensioning rollers (4).

6. The uniform coating device for the adhesive layer of a car paint protection film according to claim 5, characterized in that, The inner side of the coating machine (1) is provided with two glue storage tanks (8), the top end of the glue storage tank (8) is provided with a supply pipeline (9), the top end of the supply pipeline (9) is provided with a microfluidic coating head (10), both ends of the microfluidic coating head (10) are fixedly connected to the inner side of the coating machine (1), and two round holes are formed in the conveying platform (6), the supply pipeline (9) is arranged in the round hole, and the microfluidic coating head (10) is connected with the glue storage tank (8).

7. The apparatus for uniform coating of the adhesive layer of a protective film for an automobile paint surface according to claim 6, wherein The top of the conveying platform (6) is provided with an ultrasonic glue uniformizing system (11), both ends of the ultrasonic glue uniformizing system (11) are arranged on the inner side of the coating machine (1), the inner side of the coating machine (1) is provided with a plurality of micro glue line forming rollers (12), and the micro glue line forming rollers (12) are located above the conveying platform (6), the bottom plate (15) is provided with a deflection roller (13) on the side close to the coating machine (1), the deflection roller (13) is arranged in the coating machine (1), and the top of the coating machine (1) is fixedly connected with a top plate (7).

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