A thermoplastic roll forming system and forming method for fuel cell hydrogen energy vehicles

Abstract

The present invention relates to a thermoplastic roll-forming system for fuel cell hydrogen-powered vehicles, comprising a first feeding roller and a first film feeding roller, a second feeding roller is arranged on one side of the first feeding roller, a first layered steering heating rolling shaft is arranged on the right side of the third feeding roller, a first layered extrusion hot rolling shaft is arranged on the right side of the second layered steering heating rolling shaft, a first connecting roller is arranged on the right side of the first layered extrusion hot rolling shaft, a first plastic extrusion roller is arranged on the upper side of the first fiber filter, and the first film feeding roller is located at the upper end of the first steering shaft. The beneficial effects of the present invention are: the thermoplastic roll-forming process for fuel cell hydrogen-powered vehicles is simple and easy to operate, easy to control, with fewer processes and high manufacturing efficiency, which greatly reduces the manufacturing cost of composite materials. At the same time, the sandwich design feeding mechanism can meet a variety of layering schemes and a layered hot pressing forced infiltration method.

Description

Technical Field

[0001] The present invention relates to the technical field of fuel cell hydrogen energy vehicles, and in particular to a thermoplastic roll forming system and a forming method for fuel cell hydrogen energy vehicles. Background Art

[0002] Fuel cell hydrogen-powered vehicles are a type of energy vehicle that is more popular nowadays. The plastics used in fuel cell hydrogen-powered vehicles need to be processed using a roll forming process, so the roll forming process is an indispensable process in the production of fuel cell hydrogen-powered vehicles.

[0003] The cost of existing composite materials is relatively high, especially the manufacturing cost is more expensive, which leads to the problem that composite materials cannot be widely used. Summary of the invention

[0004] The purpose of the present invention is to provide a thermoplastic roll forming system and forming method for fuel cell hydrogen energy vehicles, so as to solve the problem that the cost of composite materials proposed in the above background technology is high, especially the manufacturing cost is more expensive, resulting in the problem that composite materials cannot be widely used.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a thermoplastic roll-forming system for a fuel cell hydrogen-powered vehicle, comprising a first feeding roller and a first film feeding roller, wherein a second feeding roller and a third feeding roller are sequentially arranged on the right side of the first feeding roller, a first layered steering heating rolling shaft is arranged on the right side of the third feeding roller, and a second layered steering heating rolling shaft is arranged on the right side of the first layered steering heating rolling shaft, a first layered extrusion hot rolling shaft is arranged on the right side of the second layered steering heating rolling shaft, and a first heating resin tank is arranged at the lower end of the first layered extrusion hot rolling shaft, a first connecting roller is arranged on the right side of the first layered extrusion hot rolling shaft, and a first fiber filter is arranged on the right side of the first connecting roller, a first plastic extrusion roller is arranged on the upper side of the first fiber filter, a second plastic extrusion roller is arranged on one side of the first plastic extrusion roller, and a first steering shaft is arranged on the right side of the second plastic extrusion roller, the first film feeding roller is located at the upper end of the first steering shaft, and a rolling system is arranged on the right side of the first steering shaft, and a scanning and coding system is arranged on the right side of the rolling system Device, and a cooling device is arranged on the right side of the scanning and coding device, a traction device is arranged on the right side of the cooling device, and an automatic cutting device is arranged on the right side of the traction device, a conveying crawler is arranged at the lower end of the first feeding roller, and a fourth feeding roller is arranged at the lower end of the conveying crawler, and a fifth feeding roller and a sixth feeding roller are arranged in sequence on the right side of the fourth feeding roller, a third layered steering heating rolling shaft is arranged on the right side of the sixth feeding roller, and a fourth layered steering heating rolling shaft is arranged on the right side of the third layered steering heating rolling shaft, a second layered extrusion hot rolling shaft is arranged on the right side of the fourth layered steering heating rolling shaft, and a second heating resin tank is arranged at the lower end of the second layered extrusion hot rolling shaft, a second connecting roller is arranged on the right side of the second layered extrusion hot rolling shaft, and a second fiber filter is arranged on the right side of the second connecting roller, a third plastic extrusion roller is arranged at the upper end of the second fiber filter, and a fourth plastic extrusion roller is arranged on the right side of the third plastic extrusion roller, a second steering shaft is arranged on the right side of the fourth plastic extrusion roller, and a second film feeding roller is arranged at the lower end of the second steering shaft.

[0006] Preferably, the central axes of the first loading roller, the second loading roller and the third loading roller are parallel, and the horizontal central axes of the first loading roller, the second loading roller and the third loading roller coincide with each other.

[0007] Preferably, the central axes of the fourth loading roller, the fifth loading roller and the sixth loading roller are parallel, and the horizontal central axes of the fourth loading roller, the fifth loading roller and the sixth loading roller coincide with each other.

[0008] Preferably, the rolling system is provided with six axles, and the axles on the rolling system are symmetrical in pairs.

[0009] The thermoplastic rolling forming method for a fuel cell hydrogen energy vehicle provided by the present invention comprises the following steps:

[0010] a. Loading: Load the woven fiber fabric rolls onto the first loading roller, the second loading roller, the third loading roller, the fourth loading roller, the fifth loading roller and the sixth loading roller according to the designed layering order of the product;

[0011] b. Material processing: The multi-layer fiber cloth is infiltrated with resin by layers through the first layered steering heating rolling shaft, the second layered steering heating rolling shaft, the third layered steering heating rolling shaft and the fourth layered steering heating rolling shaft, and the roller positions are adjusted at the same time to adjust the direction and angle of the fiber layer. The first layered extrusion hot rolling shaft and the second layered extrusion hot rolling shaft adopt a rolling extrusion mechanism, and the second heating resin tank and the first heating resin tank are heated to reduce the viscosity of the plastic and then infiltrate the fiber. The first plastic extrusion roller, the second plastic extrusion roller, the third plastic extrusion roller and the fourth plastic extrusion roller are used to squeeze out the excess plastic in the fiber cloth, and the gap between the pressing rollers is adjusted to ensure the fiber content;

[0012] c. Film loading: Load the film on the first film loading roller and the second film loading roller according to the product appearance and surface requirements;

[0013] d. Direction adjustment: adjust the direction and angle of the fiber layer through the second steering axis and the first steering axis;

[0014] e. Rolling: The rolling system uses a decreasing rolling method to gradually roll out the bubbles and excess resin in the product;

[0015] f. Post-processing: The infrared scanning device is used for detection through the scanning and coding device, and the coding identification status is used. The cooling device is used to cool and shape. The traction device clamps the product and moves it forward. The automatic cutting device is used to machine the product into the required state according to the part drawing.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The process of the present invention is simple and easy, easy to control, with fewer steps and high manufacturing efficiency, which greatly reduces the manufacturing cost of composite materials. At the same time, the sandwich design feeding mechanism can meet a variety of layering schemes, the layered hot pressing forced infiltration method can infiltrate multiple layers of materials at the same time and ensure the infiltration effect of each layer, the incremental rolling method can accurately control the resin content and product thickness, and meet the needs of various plastic types such as PP, PA, ABS, etc., and a variety of mixed heating and curing methods, electric heating, infrared heating, and ultraviolet rays meet the rapid curing of different types of resins. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a front view structural schematic diagram of a thermoplastic roll forming system for a fuel cell hydrogen energy vehicle of the present invention;

[0019] Figure 2 A thermoplastic roll forming system for a fuel cell hydrogen energy vehicle of the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 3 A thermoplastic roll forming system for a fuel cell hydrogen energy vehicle of the present invention Figure 1 The enlarged structural diagram at B in the middle;

[0021] Figure 4 A thermoplastic roll forming system for a fuel cell hydrogen energy vehicle of the present invention Figure 1 Enlarged structural diagram at point C in the middle.

[0022] In the figure: 1. First feeding roller; 2. Second feeding roller; 3. Third feeding roller; 4. First layer turning heating roller; 5. Second layer turning heating roller; 6. First layer extrusion hot roller; 7. First heating resin tank; 8. First connecting roller; 9. First fiber filter; 10. First plastic extrusion roller; 11. Second plastic extrusion roller; 12. First film feeding roller; 13. First turning shaft; 14. Rolling system; 15. Scanning and coding device; 16. Cooling device; 17. Traction device; 18. Automatic cutting device; 19. Fourth feeding roller; 20. Fifth feeding roller; 21. Conveyor track; 22. Sixth feeding roller; 23. Third layered steering heating rolling shaft; 24. Fourth layered steering heating rolling shaft; 25. Second layered extrusion hot rolling shaft; 26. Second heating resin tank; 27. Second connecting roller; 28. Second fiber filter; 29. ​​Third plastic extrusion roller; 30. Fourth plastic extrusion roller; 31. Second film feeding roller; 32. Second steering shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-4The present invention provides a technical solution: a thermoplastic roll-forming system for a fuel cell hydrogen energy vehicle, comprising a first feeding roller 1 and a first film feeding roller 12, a second feeding roller 2 and a third feeding roller 3 are sequentially arranged on the right side of the first feeding roller 1, the central axes of the first feeding roller 1, the second feeding roller 2 and the third feeding roller 3 are parallel, and the horizontal central axes of the first feeding roller 1, the second feeding roller 2 and the third feeding roller 3 coincide, a first layered steering heating rolling shaft 4 is arranged on the right side of the third feeding roller 3, a second layered steering heating rolling shaft 5 is arranged on the right side of the first layered steering heating rolling shaft 4, and a first layered extrusion hot rolling shaft 6 is arranged on the right side of the second layered steering heating rolling shaft 5, A first heating resin tank 7 is provided at the lower end of the first layered extrusion hot rolling shaft 6, a first connecting roller 8 is provided on the right side of the first layered extrusion hot rolling shaft 6, and a first fiber filter screen 9 is provided on the right side of the first connecting roller 8, a first plastic extrusion roller 10 is provided on the upper side of the first fiber filter screen 9, a second plastic extrusion roller 11 is provided on one side of the first plastic extrusion roller 10, and a first steering shaft 13 is provided on the right side of the second plastic extrusion roller 11, a first film feeding roller 12 is located at the upper end of the first steering shaft 13, and a rolling system 14 is provided on the right side of the first steering shaft 13, the rolling system 14 is provided with six axles, and the axles on the rolling system 14 are symmetrical up and down, and a scanning and coding device 1 is provided on the right side of the rolling system 14 5, and a cooling device 16 is arranged on the right side of the scanning and coding device 15, a traction device 17 is arranged on the right side of the cooling device 16, and an automatic cutting device 18 is arranged on the right side of the traction device 17, a conveying crawler 21 is arranged at the lower end of the first feeding roller 1, and a fourth feeding roller 19 is arranged at the lower end of the conveying crawler 21, and a fifth feeding roller 20 and a sixth feeding roller 22 are arranged on the right side of the fourth feeding roller 19 in sequence, the central axes of the fourth feeding roller 19, the fifth feeding roller 20 and the sixth feeding roller 22 are parallel, and the horizontal central axes of the fourth feeding roller 19, the fifth feeding roller 20 and the sixth feeding roller 22 coincide, a third layered steering heating rolling shaft 23 is arranged on the right side of the sixth feeding roller 22, and the A fourth layered steering heating rolling shaft 24 is arranged on the right side of the three-layered steering heating rolling shaft 23, a second layered extrusion heat rolling shaft 25 is arranged on the right side of the fourth layered steering heating rolling shaft 24, and a second heating resin tank 26 is arranged at the lower end of the second layered extrusion heat rolling shaft 25, a second connecting roller 27 is arranged on the right side of the second layered extrusion heat rolling shaft 25, and a second fiber filter net 28 is arranged on the right side of the second connecting roller 27, a third plastic extrusion roller 29 is arranged on the upper end of the second fiber filter net 28, and a fourth plastic extrusion roller 30 is arranged on the right side of the third plastic extrusion roller 29, a second steering shaft 32 is arranged on the right side of the fourth plastic extrusion roller 30, and a second film feeding roller 31 is arranged at the lower end of the second steering shaft 32.

[0027] The present invention also provides a thermoplastic roll forming method for a fuel cell hydrogen energy vehicle, comprising the following steps:

[0028] a. Loading and feeding: The woven fiber fabric rolls are loaded onto the first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 according to the designed layering sequence of the product. The first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 have automatic unwinding functions. The rotation speeds of the first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 are synchronized with the speed of the conveyor crawler 21. At the same time, the conveyor crawler 21 can be loaded with sandwich materials such as honeycombs and foams. The sandwich materials are generally designed to be between the fiber layers;

[0029] b. Material processing: The multi-layer fiber cloth is infiltrated with the resin by the first layered steering heating rolling shaft 4, the second layered steering heating rolling shaft 5, the third layered steering heating rolling shaft 23 and the fourth layered steering heating rolling shaft 24 to ensure complete infiltration of the resin and the fiber. At the same time, the roller position can be adjusted to adjust the direction and angle of the fiber layer. The first layered extrusion hot rolling shaft 6 and the second layered extrusion hot rolling shaft 25 adopt a rolling extrusion mechanism to force the plastic and the fiber to quickly infiltrate. The second heated resin tank 26 and the first heated resin tank 7 are heated to reduce the viscosity of the plastic and then infiltrate the fiber. The first plastic extrusion roller 10, the second plastic extrusion roller 11, the third plastic extrusion roller 29 and the fourth plastic extrusion roller 30 are used to squeeze out the excess plastic in the fiber cloth. The gap between the pressing rollers is adjusted to ensure the fiber content. At the same time, the plastic is returned to the resin tank to reduce loss. At the same time, the fiber filaments dropped after the fiber layer is extruded are filtered by the second fiber filter 28 and the first fiber filter 9 to ensure that the resin tank flowing back to the resin tank is clean and pollution-free.

[0030] c. Film loading: according to the product appearance and surface requirements, the required film is loaded on the first film loading roller 12 and the second film loading roller 31, such as matte, glossy, patterned, heat-resistant, transparent, etc.;

[0031] d. Direction adjustment: The direction and angle of the fiber layer are adjusted through the second steering shaft 32 and the first steering shaft 13 to ensure that the fiber layer smoothly enters the rolling process at the optimal angle;

[0032] e. Rolling: The rolling system 14 uses a decreasing rolling method to gradually roll out bubbles and excess resin in the product; the product thickness and resin content are controlled to achieve the required state;

[0033] f. Post-processing: The infrared scanning device is used to detect whether the rolled product has bubbles, surface textures, foreign matter, wrinkles, color difference, etc., and the coding identification status is used. The cooling device 16 is used to cool and shape, and the traction device 17 clamps the product to move forward. The automatic cutting device 18 is used to machine the product into the required state according to the part drawing. The process is simple and easy, easy to control, with fewer steps and high manufacturing efficiency, which greatly reduces the manufacturing cost of composite materials. At the same time, the sandwich design feeding mechanism can meet a variety of layering schemes, the layered hot pressing forced infiltration method can infiltrate multiple layers of materials at the same time, and ensure the infiltration effect of each layer, the incremental rolling hair, accurately control the resin content, product thickness, meet a variety of plastic types PP, PA, ABS, etc., a variety of mixed heating and curing methods, electric heating, infrared heating, ultraviolet rays meet the rapid curing of different types of resins.

[0034] In summary, when the present invention is used, the woven fiber fabric roll is first loaded onto the first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 according to the designed layering sequence of the product. The first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 have an automatic unwinding function. The rotation speeds of the first loading roller 1, the second loading roller 2, the third loading roller 3, the fourth loading roller 19, the fifth loading roller 20 and the sixth loading roller 22 are synchronized with the speed of the conveyor belt 21, and the conveyor belt 21 is also synchronized with the conveyor belt 21. The conveying crawler 21 can be loaded with sandwich materials such as honeycomb and foam. The sandwich materials are generally designed to be placed between the fiber layers. Then, according to the appearance and surface requirements of the product, the required films, such as matte, glossy, patterned, heat-resistant, transparent, etc., are loaded on the first film loading roller 12 and the second film loading roller 31. The multi-layer fiber cloth is infiltrated with the resin in layers through the first layered turning heating roller 4, the second layered turning heating roller 5, the third layered turning heating roller 23 and the fourth layered turning heating roller 24 to ensure complete infiltration of the resin and the fiber. At the same time, the roller position can be adjusted to adjust the direction and angle of the fiber layer. Through the first layered extrusion hot roller 6 and the second layered extrusion hot roller 24, the multi-layer fiber cloth is infiltrated with the resin in layers to ensure complete infiltration of the resin and the fiber. The layer extrusion hot rolling shaft 25 adopts a rolling extrusion mechanism to force the plastic and fiber to quickly infiltrate. The second heated resin tank 26 and the first heated resin tank 7 are used to heat the plastic to reduce the viscosity and infiltrate the fiber. The first plastic extrusion roller 10, the second plastic extrusion roller 11, the third plastic extrusion roller 29 and the fourth plastic extrusion roller 30 are used to squeeze out the excess plastic in the fiber cloth. The gap between the pressing rollers is adjusted to ensure the fiber content and to make the plastic flow back into the resin tank to reduce loss. At the same time, the fiber filaments that fall off after the fiber layer is extruded are filtered by the second fiber filter 28 and the first fiber filter 9 to ensure that the resin tank flowing back into the resin tank is clean and pollution-free. The second steering shaft 32 and the first steering shaft 13 adjust the direction and angle of the fiber layer to ensure that the fiber layer enters the rolling process smoothly at the optimal angle. The rolling system 14 adopts a decreasing rolling method to gradually roll out bubbles and excess resin in the product. The product thickness and resin content are controlled to reach the required state. Then, the scanning and coding device 15 is used for infrared scanning device detection to detect whether there are bubbles, surface textures, foreign matter, wrinkles, color difference, etc. on the product after rolling, and the coding identification status is marked. The cooling device 16 is used to cool and shape the product. The traction device 17 clamps the product to move forward. The automatic cutting device 18 is used to machine the product into the required state according to the part drawing.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A thermoplastic roll-forming system for a fuel cell hydrogen-powered vehicle, comprising a first feeding roller (1) and a first film feeding roller (12), characterized in that: A second feeding roller (2) and a third feeding roller (3) are sequentially arranged on the right side of the first feeding roller (1); a first layered turning heating rolling shaft (4) is arranged on the right side of the third feeding roller (3); a second layered turning heating rolling shaft (5) is arranged on the right side of the first layered turning heating rolling shaft (4); a first layered extrusion heat rolling shaft (6) is arranged on the right side of the second layered turning heating rolling shaft (5); a first heating resin tank (7) is arranged at the lower end of the first layered extrusion heat rolling shaft (6); a first connecting roller (8) is arranged on the right side of the first layered extrusion heat rolling shaft (6); and a first fiber passing roller (9) is arranged on the right side of the first connecting roller (8). A filter screen (9), wherein a first plastic squeezing roller (10) is arranged on the upper side of the first fiber filter screen (9), a second plastic squeezing roller (11) is arranged on the right side of the first plastic squeezing roller (10), and a first steering shaft (13) is arranged on the right side of the second plastic squeezing roller (11), the first film feeding roller (12) is located at the upper end of the first steering shaft (13), and a rolling system (14) is arranged on the right side of the first steering shaft (13), a scanning and coding device (15) is arranged on the right side of the rolling system (14), and a cooling device (16) is arranged on the right side of the scanning and coding device (15), and a traction device (16) is arranged on the right side of the cooling device (16). 7), and an automatic cutting device (18) is arranged on the right side of the traction device (17), a conveying crawler (21) is arranged at the lower end of the first feeding roller (1), and a fourth feeding roller (19) is arranged at the lower end of the conveying crawler (21), a fifth feeding roller (20) and a sixth feeding roller (22) are arranged in sequence on the right side of the fourth feeding roller (19), a third layered turning and heating rolling shaft (23) is arranged on the right side of the sixth feeding roller (22), and a fourth layered turning and heating rolling shaft (24) is arranged on the right side of the third layered turning and heating rolling shaft (23), and a second layered extrusion roller (24) is arranged on the right side of the fourth layered turning and heating rolling shaft (24). A heat pressing rolling shaft (25), and a second heating resin tank (26) is arranged at the lower end of the second layered extrusion hot rolling shaft (25), a second connecting roller (27) is arranged on the right side of the second layered extrusion hot rolling shaft (25), and a second fiber filter net (28) is arranged on the right side of the second connecting roller (27), a third plastic extrusion roller (29) is arranged on the upper end of the second fiber filter net (28), and a fourth plastic extrusion roller (30) is arranged on the right side of the third plastic extrusion roller (29), a second steering shaft (32) is arranged on the right side of the fourth plastic extrusion roller (30), and a second film feeding roller (31) is arranged at the lower end of the second steering shaft (32); The central axes of the first loading roller (1), the second loading roller (2) and the third loading roller (3) are parallel, and the horizontal central axes of the first loading roller (1), the second loading roller (2) and the third loading roller (3) coincide with each other; The central axes of the fourth loading roller (19), the fifth loading roller (20) and the sixth loading roller (22) are parallel, and the horizontal central axes of the fourth loading roller (19), the fifth loading roller (20) and the sixth loading roller (22) coincide with each other.

2. A thermoplastic roll forming system for a fuel cell hydrogen energy vehicle according to claim 1, characterized in that: The rolling system (14) is provided with six axles, and the axles on the rolling system (14) are symmetrical in pairs.

3. The forming method of a thermoplastic roll forming system for a fuel cell hydrogen energy vehicle according to claim 1, characterized in that: The following steps are involved: a. Loading and feeding: The woven fiber fabric rolls are loaded onto the first loading roller (1), the second loading roller (2), the third loading roller (3), the fourth loading roller (19), the fifth loading roller (20) and the sixth loading roller (22) according to the layering sequence designed for the product; b. Material processing: The multi-layer fiber cloth is impregnated with resin in layers through the first layered steering heating rolling shaft (4), the second layered steering heating rolling shaft (5), the third layered steering heating rolling shaft (23) and the fourth layered steering heating rolling shaft (24), and the roller positions are adjusted at the same time to adjust the direction and angle of the fiber layer. The first layered extrusion hot rolling shaft (6) and the second layered extrusion hot rolling shaft (25) are used to adopt a rolling extrusion mechanism, and the second heated resin tank (26) and the first heated resin tank (7) are used to heat the plastic to reduce the viscosity and impregnate the fiber. The first plastic extrusion roller (10), the second plastic extrusion roller (11), the third plastic extrusion roller (29) and the fourth plastic extrusion roller (30) are used to squeeze out the excess plastic in the fiber cloth, and the gap between the pressing rollers is adjusted to ensure the fiber content; c. Film loading: loading the film on the first film loading roller (12) and the second film loading roller (31) according to the product appearance and surface requirements; d. Direction adjustment: adjusting the direction and angle of the fiber layer by the second steering shaft (32) and the first steering shaft (13); e. Rolling: The rolling system (14) uses a decreasing rolling method to gradually roll out bubbles and excess resin in the product; f. Post-processing: The infrared scanning device is used for detection through the scanning and coding device (15), and the coding and identification status is used. The cooling device (16) is used to cool and shape. The traction device (17) clamps the product and moves it forward. The automatic cutting device (18) is used to machine the product into the required state according to the part drawing.

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