CN212924883U

CN212924883U - Polyurethane automobile paint surface protective film and multifunctional coating equipment thereof

Info

Publication number: CN212924883U
Application number: CN202021563243.3U
Authority: CN
Inventors: 佘锷桢; 杨显涛; 何帆; 许�鹏
Original assignee: Shantou Huaying Coating Equipment Co ltd
Current assignee: Shantou Huaying Coating Equipment Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-09
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a protection film production facility technical field especially relates to a polyurethane car finish protection film and multi-functional coating equipment thereof, comma scraper coating unit and slit are extruded coating unit and are set up the frame left side, have set gradually reverse slightly concave coating unit, first rolling subassembly, first advance a roll subassembly, first unreel subassembly, third rolling subassembly, cooling traction assembly, compound traction assembly, the second unreels the subassembly, the second advances a roll subassembly, second rolling subassembly in the frame by a left side to the right side, the stoving heating cabinet sets up at the frame top. The utility model has the advantages that: this equipment is through reserving interface and part, adopts three kinds of differences to walk the membrane route and can satisfy different production technology demands, realizes a tractor serves several purposes, and this equipment is structural position reasonable in design not only, and the most efficient realizes the function of every mechanical part, greatly improves equipment work efficiency and product quality, and reduces the fund that the customer invested in earlier stage, reduces the area of equipment.

Description

Polyurethane automobile paint surface protective film and multifunctional coating equipment thereof

Technical Field

The utility model relates to a protection film production facility technical field especially relates to a multi-functional coating equipment of polyurethane car finish protection film.

Background

The automobile paint surface protective film, also called invisible automobile coat, is a layer of transparent protective film adhered to the paint on the surface of an automobile, and protects the original factory paint of the automobile from being damaged. The product has very strong toughness, still has the self-repairing function, can effectually prevent to scrape and rub and the hitting of sand grain, has still completely cut off the contact of car lacquer with the air, can prevent the injury to the lacquer painting such as acid rain, asphalt, bird droppings. Meanwhile, the paint surface protective film is high in definition and high in brightness, and the color and luster of the automobile paint surface can be improved and protected.

At present, most manufacturers need a plurality of coating devices to finish the production and the manufacture of the polyurethane automobile paint protective film, a large amount of manpower and material resources are input in the early stage, the occupied area of a plurality of mechanical devices is large, and workers are extremely inconvenient in carrying and replacing the film roll.

The applicant has seen the shortcomings of the conventional coating equipment, inherits the spirit of research innovation and lean refinement, combines production practice, and provides a practical solution by using a professional scientific method, so that the application of the application is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to current technical situation, provide the multi-functional coating equipment that has a structural design is reasonable, realize that three kinds of different product technology sets are on an equipment.

A multi-functional coating equipment of polyurethane car finish protection film includes: the electric control system is electrically connected with the first unwinding assembly, the first winding assembly, the second unwinding assembly, the second winding assembly, the third winding assembly, the first winding assembly, the second winding assembly, the reverse micro-concave coating assembly, the comma scraper coating assembly, the slit extrusion coating assembly and the drying heating box, the comma scraper coating assembly and the slit extrusion coating assembly are arranged on the left side of the rack, the reverse micro-concave coating assembly, the first winding assembly, the first unwinding assembly, the third winding assembly, the cooling traction assembly, the composite traction assembly, the second unwinding assembly, the second winding assembly and the second winding assembly are sequentially arranged on the rack from left to right, and the drying heating box is arranged at the top of the rack and is positioned between the reverse micro-concave coating assembly and the cooling traction assembly.

A coating composite process of a polyurethane automobile paint surface protective film comprises the following production processes: the first unreeling assembly is provided with a PET film roll, the PET film passes through the first unreeling assembly, the modified acrylic varnish is uniformly coated on the PET film through the reverse micro-concave coating assembly, the PET film is dried through the drying heating box and then cured through the UV of the cooling traction assembly, and the PET protective film is reeled up through the third reeling assembly to obtain the PET protective film; and a second production process: the first unreeling component is provided with a PET/TPU/PET three-layer film roll, the three-layer film is peeled from a PET film on one side through the first reeling component, the first reeling component is used for reeling the peeled PET film, the slit extrusion coating component is used for uniformly coating a polyurethane coating on one side of the TPU, the PET coating is dried and cured through the drying and heating box, a PET protective film is arranged on the second unreeling component, the PET protective film and the film from the drying and heating box simultaneously enter the composite traction component, the composite traction component is used for jointing the inner sides of the films together, and then the third reeling component is used for reeling the semi-finished film to prepare the TPU polyurethane semi-finished film; the third production process comprises the following steps: the first subassembly of unreeling is equipped with PET base film book (from the type membrane book), PET base film book is through first advancing a roll subassembly, modified acrylic acid pressure sensitive adhesive is paintd at the PET base film to comma scraper coating subassembly, drying and solidification are being carried out through the stoving heating cabinet, the second unreels the subassembly and is equipped with the semi-manufactured goods membrane book in the production technology two, the second advances a roll subassembly and will lean on the PET base film in the TPU film outside to peel off, its PET base film that will peel off out is rolled up by first subassembly of unreeling again, the laminating is drawn by the complex to semi-manufactured goods membrane and the PET base film that has paintd modified acrylic acid pressure sensitive adhesive, roll up the membrane by third rolling subassembly again, make polyurethane TPU finished product membrane.

A polyurethane automotive finish protective film comprising: protection film, polyurethane protection film and from the type membrane, the polyurethane protection film constitute by polyurethane layer, TPU film and pressure sensitive adhesive, the TPU film sets up between polyurethane layer and pressure sensitive adhesive, the protection film comprises PET film and sclerosis protective layer, the complex (laminating) of sclerosis protective layer is on polyurethane layer surface, the complex (laminating) of PET base film is on the pressure sensitive adhesive surface.

The utility model has the advantages that: this equipment is through reserving interface and part, and the membrane route of adopting three kinds of differences to walk can satisfy different production technology demands, realizes a tractor serves several purposes, and a equipment can satisfy the coating composite production technology requirement of polyurethane car finish protection film, and this equipment is not only structural position reasonable in design, and every mechanical parts's function is realized to the most efficient, greatly improves equipment work efficiency and product quality, and reduces the fund that the customer invested in earlier stage, reduces the area of equipment.

Drawings

FIG. 1 is a film-running route chart of the production process of the utility model;

FIG. 2 is a second film-feeding route chart of the production process of the present invention;

FIG. 3 is a three-film route diagram of the production process of the present invention;

fig. 4 is a schematic structural diagram of the protective film of the present invention.

Description of the reference notes: the device comprises a first unreeling component 1, a first reeling component 2, a second unreeling component 3, a second reeling component 4, a third reeling component 5, a first reeling component 6, a second reeling component 7, a reverse micro-concave coating component 8, a comma scraper coating component 9, a slit extrusion coating component 10, a drying and heating box 11, a cooling and traction component 12 and a composite traction component 13.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Referring to fig. 1 to 3, a multifunctional coating apparatus for a polyurethane automobile paint protection film according to the present invention comprises: the electric control system is electrically connected with the first unwinding assembly, the first winding assembly, the second unwinding assembly, the second winding assembly, the third winding assembly, the first winding assembly, the second winding assembly, the reverse micro-concave coating assembly, the comma scraper coating assembly, the slit extrusion coating assembly and the drying heating box, the comma scraper coating assembly and the slit extrusion coating assembly are arranged on the left side of the rack, the reverse micro-concave coating assembly, the first winding assembly, the first unwinding assembly, the third winding assembly, the cooling traction assembly, the composite traction assembly, the second unwinding assembly, the second winding assembly and the second winding assembly are sequentially arranged on the rack from left to right, and the drying heating box is arranged at the top of the rack and is positioned between the reverse micro-concave coating assembly and the cooling traction assembly. The reverse micro-concave coating assembly is also provided with a vacuum adsorption roller, an infrared heating device is arranged in the drying and heating box, and a UV curing device can be arranged on the cooling and traction assembly.

The electrical control system adopts PLC control to match with each mechanical part to realize full-automatic control. All the substrate rolls needing further processing are installed on the unwinding rollers of the first unwinding assembly and the second unwinding assembly, then are pulled to each process, and finally, finished products or semi-finished products are wound by the winding rollers of the first winding assembly, the second winding assembly and the third winding assembly, and the motor drives the winding rollers to rotate, so that the substrate is pulled forwards. The first roll feeding assembly and the second roll feeding assembly peel off the PET film on one side surface of the film roll, so that the PET film can be coated and compounded in a subsequent step. The reverse micro-concave coating component, the comma scraper coating component, the slit extrusion coating component, the cooling traction component and the composite traction component adopt the traditional coating equipment process, and the description is omitted here.

Coating a hardening protective coating (such as UV-cured modified acrylic varnish) on the PET film, drying the PET film in an oven and curing the PET film by UV irradiation to obtain the PET protective film with the hardening protective layer. Tearing off the PET protective film on one side of the TPU base film, coating a modified polyurethane coating on the bare TPU film surface, pre-drying by an oven, and carrying out composite processing (bonding the polyurethane coating surface and the hardening protective surface) on the TPU base film and the protective film to obtain a semi-finished product. Coating a PET substrate or other substrates with a pressure-sensitive adhesive (such as a modified acrylic pressure-sensitive adhesive), and pre-drying by an oven to obtain the release film. And tearing off the PET protective film on the other side of the TPU base film, compounding (bonding) the exposed TPU film surface and the release film pressure-sensitive adhesive surface, rolling and curing until the TPU film surface and the release film pressure-sensitive adhesive surface are completely cured, and thus obtaining the finished product of the polyurethane automobile paint surface protective film.

Please refer to fig. 4, which is a schematic structural diagram of the protective film of the present invention, a polyurethane protective film for automobile paint surface, comprising: protection film, polyurethane protection film and from the type membrane, the polyurethane protection film constitute by polyurethane layer, TPU film and pressure sensitive adhesive, the TPU film sets up between polyurethane layer and pressure sensitive adhesive, the protection film comprises PET film and sclerosis protective layer, the complex (laminating) of sclerosis protective layer is on polyurethane layer surface, the complex (laminating) of PET base film is on the pressure sensitive adhesive surface.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A multi-functional coating equipment of polyurethane car finish protection film includes: electric control system electric connection unreels subassembly, first rolling subassembly, second in first unreeling subassembly, second unreels subassembly, second rolling subassembly, third rolling subassembly, first advance a roll subassembly, second advance a roll subassembly, reverse slightly concave coating subassembly, comma scraper coating subassembly, slit extrusion coating subassembly and stoving heating cabinet, its characterized in that: comma scraper coating unit and slit extrude coating unit and set up the frame left side, set gradually reverse slightly concave coating unit, first rolling subassembly, first advancing a roll subassembly, first subassembly, third rolling subassembly, cooling traction assembly, compound traction assembly, second unwinding subassembly, second advance a roll subassembly, second rolling subassembly by a left side to the right side in the frame, the stoving heating cabinet sets up at the frame top, and is located reverse slightly concave coating unit and cooling traction assembly between.

2. A polyurethane automotive finish protective film comprising: protection film, polyurethane protection film and from type membrane, its characterized in that: the polyurethane protective film comprises a polyurethane layer, a TPU film and a pressure-sensitive adhesive, wherein the TPU film is arranged between the polyurethane layer and the pressure-sensitive adhesive, the protective film comprises a PET film and a hardening protective layer, the hardening protective layer is compounded on the surface of the polyurethane layer, and the PET base film is compounded on the outer surface of the pressure-sensitive adhesive.