A coating machine for car cover processing

Abstract

The utility model relates to coating equipment technical field especially is a kind of coating machine for car cover processing, including frame assembly, floating roller assembly, adsorption subassembly and drying machine. Frame assembly is provided with transmission roller, micro concave roller and guide roller, for guiding and transmission car cover base film;The micro concave roller part is dipped in coating tank to dip coating;Floating roller assembly is slidably matched by sliding block and sliding slot, and base film tension can be adaptively adjusted;Adsorption subassembly includes vacuum adsorption plate and vacuum pump, for firmly adsorbing base film on its flat work surface in coating and drying station;Drying machine is fixedly installed in the just above of vacuum adsorption plate, and its air outlet width is adapted to adsorption plate work surface width. The utility model is through the synergistic effect of floating roller and vacuum adsorption plate, effectively avoids that base film is wrinkled and deviates, combines accurate layout drying mechanism, significantly improves the coating uniformity, flatness and drying efficiency of car cover base film.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, specifically a coating machine for car wrap processing. Background Technology

[0002] Car wraps (automotive paint protection films), as functional films used to protect automotive paint, often require precision coating on the base film surface during their production process to impart properties such as scratch resistance, self-healing, and hydrophobicity. The coating process is a crucial step in car wrap manufacturing, and its quality directly affects the performance and appearance of the final product.

[0003] Currently, existing coating equipment often faces the following problems when applied to coating automotive film base films: First, the base film is prone to wrinkling and displacement during the transfer and coating process due to uneven tension or external disturbances, resulting in uneven coating thickness and affecting the consistency of product performance. Secondly, the traditional methods of fixing the base film in coating machines (such as mechanical pressure rollers or simple supports) are difficult to effectively maintain the absolute flatness of the film surface after coating and before drying. Especially in the wet film state, the base film is more likely to deform or stick due to gravity or traction. Furthermore, the immediate drying effect after coating is crucial to the curing quality of the coating. However, in existing equipment, the connection between the drying area and the coating area is often not tight enough, and the hot air distribution is uneven, which can easily lead to insufficient drying or overheating in some areas, affecting the coating performance and reducing production efficiency. Therefore, a coating machine for car wrap processing is needed to improve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a coating machine for car wrap processing to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A coating machine for car cover processing includes a frame assembly, a floating roller assembly, an adsorption assembly, and a dryer.

[0006] The frame assembly includes an installation frame, the bottom of which is fixedly connected to two first columns, two fourth columns, two third columns, and four second columns, and a paint tank is fixedly connected to the top surface of the installation frame.

[0007] Two fixing plates are fixedly connected to the top surface of the mounting frame.

[0008] The floating roller assembly includes a fixed plate with a groove. A slider is slidably fitted in the groove. A linear bearing is fixedly installed on the slider, and a floating roller is rotatably connected through the linear bearing.

[0009] The adsorption assembly includes a fixed frame, a vacuum adsorption plate, and a vacuum pump. The fixed frame is fixed to the top of the mounting frame, the vacuum adsorption plate is mounted on the fixed frame, and the vacuum pump is fixed to the bottom of the mounting frame. The vacuum pump is connected to the vacuum adsorption plate through an air pipe.

[0010] The dryer is fixed to the top of the mounting frame and located above the vacuum adsorption plate.

[0011] As a preferred embodiment of this utility model, the four second columns are divided into two groups, and each group is rotatably connected to a transmission roller via the linear bearing. The third column and the first column are both rotatably connected to a guide roller via the linear bearing. The fourth column is rotatably connected to a micro-concave roller via the linear bearing. The transmission roller, the micro-concave roller, the guide roller and the floating roller are all wrapped with a car cover base film. The car cover base film is attached to the surface of the vacuum adsorption plate and slides through it.

[0012] The above technical solutions ensure that the base film remains stable and flat during the coating process, reducing the risk of wrinkling or displacement, thereby improving coating uniformity and product quality.

[0013] As a preferred embodiment of this utility model, a first motor for driving the transmission roller is installed on the two second columns on the same side, and a second motor for driving the micro-concave roller is fixedly installed on the top of the fourth column.

[0014] The above technical solutions enable independent control of base film transfer and coating operations, enhancing the flexibility and precision of equipment operation and improving production efficiency and automation levels.

[0015] As a preferred embodiment of this utility model, the bottom of the micro-concave roller is located inside the paint tank.

[0016] The above technical solution enables the micro-concave roller to continuously and evenly pick up the coating, ensuring the stability and consistency of the coating thickness, reducing coating waste, and lowering the maintenance frequency.

[0017] As a preferred embodiment of this utility model, a dryer is installed on the top of the mounting frame, and the dryer is located directly above the vacuum adsorption plate.

[0018] The above technical solution enables the coated base film to be dried immediately, which accelerates the drying process, increases production speed, and prevents the base film from sticking or deforming due to undried conditions.

[0019] As a preferred embodiment of this utility model, the surface of the vacuum adsorption plate is provided with an anti-stick coating, and its working surface is provided with multiple adsorption holes.

[0020] The above technical solution effectively prevents the base film from adhering to the plate surface during the adsorption process. At the same time, the vacuum adsorption force firmly fixes the base film, ensuring the flatness and stability during coating and reducing the generation of defects.

[0021] As a preferred embodiment of this utility model, the working surface of the vacuum adsorption plate is a flat plane, and the air outlet of the dryer faces this plane.

[0022] The above technical solution ensures that hot air evenly covers the surface of the base film, improves drying efficiency and temperature distribution uniformity, thereby enhancing the curing quality of the coating.

[0023] As a preferred embodiment of this utility model, the width of the air outlet of the dryer is adapted to the width of the working surface of the vacuum adsorption plate.

[0024] The above technical solution ensures that the hot air can completely cover the entire width of the base film, avoiding the problem of insufficient or excessive drying in the edge areas, and improving the overall drying uniformity and product consistency.

[0025] Compared with the prior art, the beneficial effects of this utility model are: 1. In this invention, the floating roller assembly and the vacuum adsorption assembly work together. The floating roller can automatically adjust the tension of the base film during the transport process, maintaining a suitable tightness on the film surface. The vacuum adsorption plate can firmly adsorb the base film onto the flat working surface at the coating and drying stations. This dual action effectively prevents wrinkling, deviation, or deformation of the base film, providing a solid foundation for high-quality coating and significantly improving the uniformity of the coating and product consistency. 2. In this invention, by precisely immersing the micro-concave roller into the paint tank, combined with an independently controlled transmission roller and micro-concave roller drive system, precise and stable control of the paint transfer amount is achieved. This not only ensures the uniformity of the coating thickness per unit area and reduces paint waste, but also improves the controllability and repeatability of the production process, which is conducive to reducing production costs.

[0026] 3. In this invention, by directly and precisely arranging the dryer above the vacuum adsorption plate and matching the width of the air outlet with the width of the working surface of the adsorption plate, a highly efficient and concentrated drying area is constructed. This structure ensures that hot air can uniformly and fully cover the entire width of the coated base film, accelerating coating curing, improving drying efficiency and production speed, while avoiding coating defects caused by uneven heating. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the coating machine of this utility model; Figure 2 This is a schematic diagram of the structure of the back of the coating machine of this utility model; Figure 3 This is a schematic diagram of the adsorption component structure of this utility model; Figure 4 This is a schematic diagram of the connection between the floating roller assembly and the linear bearing of this utility model.

[0028] In the diagram: 1. Frame assembly; 101. Mounting frame; 102. First column; 103. Second column; 104. Third column; 105. Fourth column; 2. Linear bearing; 3. Drive roller; 4. First motor; 5. Second motor; 6. Micro-concave roller; 7. Paint box; 8. Floating roller assembly; 801. Fixing plate; 802. Slide groove; 803. Sliding block; 804. Floating roller; 9. Adsorption assembly; 901. Fixing frame; 902. Vacuum adsorption plate; 903. Vacuum pump; 904. Air pipe; 10. Dryer; 11. Guide roller. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0030] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.

[0031] For examples, please refer to Figure 1-4 This utility model provides a technical solution: A coating machine for car wrap processing, wherein the electrical components are externally connected to control equipment, such as a PLC controller. It includes a frame assembly 1, a floating roller assembly 8, an adsorption assembly 9, and a dryer 10.

[0032] The frame assembly 1 constitutes the main support structure of the equipment, which includes an installation frame 101. The bottom of the installation frame 101 is fixedly connected to multiple columns to provide stable support and the installation foundation for each component. Specifically, the bottom is fixed with two first columns 102, two fourth columns 105, two third columns 104 and four second columns 103. A paint tank 7 is fixedly installed on the top surface of the installation frame 101 to hold the paint required for coating.

[0033] The floating roller assembly 8 is used to tension and adjust the tension of the car cover base film. It includes two fixed plates 801, which are fixedly installed on the top surface of the mounting frame 101. Each fixed plate 801 has a groove 802, and a slider 803 is slidably fitted in the groove 802. A linear bearing 2 is fixedly installed on each slider 803, and a floating roller 804 is rotatably connected through the linear bearing 2. This design allows the floating roller 804 to float up and down within a certain range, automatically adapting to and maintaining the tension balance of the base film.

[0034] The adsorption assembly 9 is used to stably adsorb the car cover base film onto a flat surface during the coating and drying process. It includes a fixing frame 901, a vacuum adsorption plate 902, and a vacuum pump 903. The fixing frame 901 is fixed to the top of the mounting frame 101, the vacuum adsorption plate 902 is mounted on the fixing frame 901, and the vacuum pump 903 is fixed to the bottom of the mounting frame 101 and connected to the vacuum adsorption plate 902 through an air pipe 904. When the vacuum pump 903 is started, the vacuum adsorption plate 902 can generate adsorption force.

[0035] The vacuum adsorption plate 902 typically has an internal cavity or uniformly distributed flow channels to ensure a uniform vacuum level at all adsorption pores, thereby generating a uniform adsorption force on the substrate film and avoiding localized poor adsorption or excessive tightness. The dryer 10 is fixed to the top of the mounting frame 101 and is precisely located directly above the vacuum adsorption plate 902. Its function is to dry and cure the coated base film in a timely manner.

[0036] Furthermore, the four second columns 103 are divided into two groups, with two columns in each group. Each group is rotatably connected to a transmission roller 3 via a linear bearing 2. The third column 104 and the first column 102 are also rotatably connected to guide rollers 11 via linear bearings 2. The fourth column 105 is rotatably connected to a micro-concave roller 6 via a linear bearing 2. The car coating base film is sequentially wound around the transmission roller 3, the micro-concave roller 6, the guide roller 11, and the floating roller 804 to form a continuous transmission path, and finally its coating surface is attached to the surface of the vacuum adsorption plate 902 and slides through.

[0037] To drive the system, a first motor 4 is installed on the two second columns 103 on the same side to drive the corresponding transmission roller 3 to rotate, thereby pulling the base film to move. A second motor 5 is fixedly installed on the top of the fourth column 105 to independently drive the micro-concave roller 6 to rotate and control the coating amount.

[0038] The bottom of the micro-concave roller 6 is immersed in the paint tank 7 located below it, ensuring that it can evenly pick up paint during rotation.

[0039] The surface of the vacuum adsorption plate 902 is coated with polytetrafluoroethylene (PTFE) or other non-stick coatings with low surface energy, and multiple tiny adsorption holes are opened on its working surface. This can effectively prevent the base film from sticking and firmly fix it through vacuum adsorption force. The working surface of the vacuum adsorption plate 902 is processed into a precise flat plane. The air outlet of the dryer 10 is directly opposite this plane, and the width of the air outlet is designed to be adapted to the width of the working surface of the vacuum adsorption plate 902, ensuring that the hot air can evenly and comprehensively cover the effective working area of ​​the base film.

[0040] The working process of this utility model is as follows: When the coating machine for car cover processing designed in this scheme is working, the vacuum pump 903 and the dryer 10 are started first, the car cover base film is unwound, and it passes around each transmission roller 3, guide roller 11, micro-concave roller 6 and floating roller 804 in sequence, so that its coating surface is flatly attached to the working surface of the vacuum adsorption plate 902.

[0041] The first motor 4 and the second motor 5 are started, and the transmission roller 3 pulls the base film forward at a constant speed. At the same time, the micro-concave roller 6 rotates and picks up paint from the paint box 7, transferring it to the surface of the base film. After coating, the base film is immediately dried by hot air from the dryer 10 above under the fixation of the vacuum adsorption plate 902, and finally guided and wound up.

[0042] The floating roller 804 automatically floats during operation to compensate for and adjust the tension changes of the base film during transmission, ensuring a smooth process, uniform coating, and thorough drying.

[0043] The first motor 4, the second motor 5, the vacuum pump 903, the dryer 10, and the PLC controller used in this utility model are all existing known electrical equipment, and all can be purchased and used directly on the market. Their structure, circuit, and control principle are all existing known technologies and are common knowledge to those skilled in the art. Therefore, the structure, circuit, and control principle of the above-mentioned electrical equipment will not be described in detail here.

[0044] All standard parts used in this application can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art and are also general components, which are common knowledge in this field.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coating machine for car cover processing, characterized in that, The frame assembly (1) includes a mounting frame (101). The bottom of the mounting frame (101) is fixedly connected to two first columns (102), two fourth columns (105), two third columns (104) and four second columns (103). A paint box (7) is fixedly connected to the top surface of the mounting frame (101). The feature is that two fixing plates (801) are fixedly connected to the top surface of the mounting frame (101). The floating roller assembly (8) includes a fixed plate (801), a groove (802) is provided on the fixed plate (801), a slider (803) is slidably fitted in the groove (802), a linear bearing (2) is fixedly installed on the slider (803), and a floating roller (804) is rotatably connected through the linear bearing (2). Also includes: The adsorption assembly (9) includes a fixing frame (901), a vacuum adsorption plate (902), and a vacuum pump (903). The fixing frame (901) is fixed to the top of the mounting frame (101), the vacuum adsorption plate (902) is mounted on the fixing frame (901), and the vacuum pump (903) is fixed to the bottom of the mounting frame (101). The vacuum pump (903) is connected to the vacuum adsorption plate (902) through a gas pipe (904). The dryer (10) is fixed to the top of the mounting frame (101) and located above the vacuum adsorption plate (902).

2. The coating machine for car cover processing according to claim 1, characterized in that: The four second columns (103) are divided into two groups. Each group of second columns (103) is rotatably connected to a transmission roller (3) via the linear bearing (2). The third column (104) and the first column (102) are rotatably connected to a guide roller (11) via the linear bearing (2). The fourth column (105) is rotatably connected to a micro-concave roller (6) via the linear bearing (2). The transmission roller (3), the micro-concave roller (6), the guide roller (11) and the floating roller (804) are all wrapped with a car cover base film. The car cover base film is attached to the surface of the vacuum adsorption plate (902) and slides through it.

3. The coating machine for car cover processing according to claim 2, characterized in that: A first motor (4) for driving the transmission roller (3) is installed on the two second columns (103) on the same side, and a second motor (5) for driving the micro-concave roller (6) is fixedly installed on the top of the fourth column (105).

4. A coating machine for car cover processing according to claim 2, characterized in that: The bottom of the micro-concave roller (6) is located inside the paint box (7).

5. A coating machine for car cover processing according to claim 1, characterized in that: A dryer (10) is mounted on top of the mounting frame (101), and the dryer (10) is located directly above the vacuum adsorption plate (902).

6. A coating machine for car cover processing according to claim 1, characterized in that: The surface of the vacuum adsorption plate (902) is provided with an anti-stick coating, and its working surface has multiple adsorption holes.

7. A coating machine for car cover processing according to claim 1, characterized in that: The working surface of the vacuum adsorption plate (902) is a flat plane, and the air outlet of the dryer (10) faces this plane.

8. A coating machine for car cover processing according to claim 1, characterized in that: The width of the air outlet of the dryer (10) is adapted to the working surface width of the vacuum adsorption plate (902).

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