Production process for wear-resistant and anti-oxidation surface of biaxially oriented polyester film

Abstract

The invention discloses a biaxially oriented polyester film surface wear-resistant and oxidation-resistant production process which comprises a rack, supporting legs are fixedly installed at the bottom end of the rack, a feeding assembly is installed at one end of the top of the rack, and a winding mechanism is installed at the other end of the top of the rack. Two groups of leveling mechanisms are arranged between the feeding assembly and the winding mechanism, coating mechanisms and polishing mechanisms are arranged between the feeding assembly and the leveling mechanisms and between the two groups of leveling mechanisms, and a drying mechanism is arranged between one group of leveling mechanism and the winding mechanism; according to the device, the two coating mechanisms can sequentially spray an anti-oxidation coating and a wear-resistant coating on a film on the same assembly line, the production efficiency is improved, the two polishing mechanisms can polish the corresponding sprayed film, and the phenomenon that the local coating is too much, so that the film is uneven is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of polyester film production, and in particular relates to a production process for a biaxially oriented polyester film with a surface that is wear-resistant and anti-oxidative. Background Art

[0002] Polyester film (PET film) is a high-performance plastic film made from polyethylene terephthalate (PET) as the main raw material. It has excellent physical and chemical properties and is widely used in packaging, electronics, photovoltaics and other fields.

[0003] In traditional technology, after biaxial stretching, polyester film needs to undergo surface antioxidant treatment, surface wear-resistant treatment, surface grinding and leveling treatment, and drying treatment. The above treatment steps are all carried out in sections, and continuous operation in the form of an assembly line is impossible, resulting in reduced processing efficiency and increased production time.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies.

[0005] Therefore, in order to solve the above problems, the present invention provides a production process for making the surface of a biaxially oriented polyester film wear-resistant and oxidation-resistant. Summary of the Invention

[0006] In order to overcome the above-mentioned technical problems of low processing efficiency and long production time, the purpose of the present invention is to provide a production process for wear-resistant and oxidation-resistant surface of biaxially oriented polyester film to solve the technical problems of low processing efficiency and long production time.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] A production device for a biaxially oriented polyester film with a wear-resistant and oxidation-resistant surface, comprising a frame, a support leg fixedly mounted on the bottom end of the frame, a feeding assembly mounted on one end of the top of the frame, a winding mechanism mounted on the other end of the top of the frame, two sets of leveling mechanisms disposed between the feeding assembly and the winding mechanism, a coating mechanism and a polishing mechanism disposed between the feeding assembly and the leveling mechanism, and between the two sets of leveling mechanisms, and a drying mechanism disposed between one set of the leveling mechanisms and the winding mechanism;

[0009] The winding mechanism includes a winding roller that can rotate and rise and fall in the vertical direction;

[0010] The leveling mechanism comprises a first leveling roller and a second leveling roller of the same specification and opposite rotation directions;

[0011] The coating mechanism includes an upper coating plate arranged above the polyester film, and a lower coating plate arranged below the polyester film, a plurality of upper coating nozzles are arranged below the upper coating plate, and a plurality of lower coating nozzles are arranged above the lower coating plate;

[0012] The polishing mechanism includes a first gear box arranged above the polyester film and capable of being raised and lowered, and a second gear box arranged below the polyester film and capable of being raised and lowered, a second motor being installed at the top of the first gear box, a plurality of first polishing plates being connected to the bottom of the first gear box, and the first polishing plates being connected to the gears in the first gear box, a third motor being installed at the bottom of the second gear box, a plurality of second polishing plates being connected to the top of the second gear box, and the second polishing plates being connected to the gears in the second gear box;

[0013] The drying mechanism comprises an upper heating air duct arranged above the polyester film, a lower heating air duct arranged below the polyester film, and a fan.

[0014] Furthermore, the winding mechanism includes a first base plate fixedly mounted on the support leg, a plurality of groups of evenly arranged first electric telescopic rods are mounted on the top of the first base plate, a first mounting frame is mounted on the output end of the first electric telescopic rod, the winding roller is mounted on the first mounting frame, and limiting guide rails are provided on both sides of the first mounting frame.

[0015] Furthermore, the winding mechanism also includes a second mounting bracket fixedly mounted on the frame, the second mounting bracket is equipped with a distance measuring assembly, the distance measuring assembly includes an infrared rangefinder mounted on the top of the second mounting bracket, and a controller fixedly mounted on one side of the second mounting bracket, the infrared rangefinder is electrically connected to the controller, and the controller is electrically connected to the first electric telescopic rod.

[0016] Furthermore, the upper coating plate and the lower coating plate are both installed above the frame through an equipment rack, and one end of the upper coating plate and the lower coating plate are both connected to a first branch pipe. The coating mechanism also includes a second base plate, which is fixedly mounted on the support leg, and a paint box is fixedly mounted on the top of the second base plate. The top of the paint box is connected to a delivery pump, and the output end of the delivery pump is connected to one end of the main pipe, and the other end of the main pipe is connected to the two first branch pipes through a connector.

[0017] Furthermore, the grinding mechanism also includes a fourth mounting bracket fixedly mounted on the top of the frame, two groups of evenly distributed second electric telescopic rods are mounted on the fourth mounting bracket, and the output ends of the second electric telescopic rods are connected to the first gear box. The grinding mechanism also includes two groups of third electric telescopic rods fixedly mounted on the top of the frame, and the output ends of the third electric telescopic rods are connected to the second gear box.

[0018] Furthermore, the leveling mechanism also includes a third mounting bracket fixedly mounted on the top of the frame, the first leveling roller and the second leveling roller are both rotatably connected to the third mounting bracket, one end of the first leveling roller and the second leveling roller are connected to a rotating shaft and extend to the outside of the third mounting bracket, two sets of rotating shafts are connected to gears, and the two sets of gears are meshed and connected, one set of the rotating shafts is also connected to a first sprocket, the leveling mechanism also includes a first motor fixedly mounted on the top of the frame, a second sprocket is mounted on the output end of the first motor, and the second sprocket is connected to the first sprocket via a chain transmission.

[0019] Furthermore, the drying mechanism also includes a bracket fixedly mounted on the top of the frame, the upper heating air duct and the lower heating air duct are both mounted on the bracket, one end of the upper heating air duct and the lower heating air duct are both connected to a second branch pipe, the fan is mounted on the fan base, the fan base is fixedly mounted on one side of the frame, the output end of the fan is connected to a second main pipe, and one end of the second main pipe is connected to two second main pipes through a connector.

[0020] A production process for making the surface of a biaxially oriented polyester film wear-resistant and oxidation-resistant uses the above-mentioned production equipment.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. In the present invention, the two sets of coating mechanisms can sequentially spray the anti-oxidation coating and the wear-resistant coating on the film on the same production line, thereby improving production efficiency.

[0023] 2. In the present invention, the two sets of grinding mechanisms can respectively grind the corresponding sprayed films to avoid the unevenness caused by too much local paint.

[0024] 3. In the present invention, the two sets of leveling mechanisms can perform a leveling operation on the film polished by the polishing mechanism, thereby further improving the flatness of the film and further improving the quality of the film.

[0025] 4. In the present invention, the drying mechanism can quickly dry the coatings on the upper and lower surfaces of the film, thereby reducing production time and improving production efficiency.

[0026] 5. In the present invention, the winding mechanism can collect the treated polyester film, and as the number of turns of the polyester film increases, the winding roller will slowly descend, thereby ensuring that the polyester film can always be located on the same plane in each processing section, ensuring the processing effect at each stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0028] Figure 1 This is one of the overall structural diagrams of the present invention;

[0029] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0030] Figure 3 It is a structural schematic diagram of the winding mechanism of the present invention;

[0031] Figure 4 It is a structural schematic diagram of the leveling mechanism of the present invention;

[0032] Figure 5 It is a schematic structural diagram of the coating mechanism of the present invention;

[0033] Figure 6 It is a schematic structural diagram of the grinding mechanism of the present invention;

[0034] Figure 7 It is a schematic structural diagram of the drying mechanism of the present invention.

[0035] Figure numerals: 1, frame; 2, support leg; 3, feeding assembly; 4, winding mechanism; 41, first bottom plate; 42, first electric telescopic rod; 43, first mounting frame; 44, winding roller; 45, limiting guide rail; 46, second mounting frame; 47, infrared rangefinder; 48, controller; 5, leveling mechanism; 51, third mounting frame; 52, first leveling roller; 53, second leveling roller; 54, gear; 55, first sprocket; 56, first motor; 57, second sprocket; 58, chain; 6, coating mechanism; 61, upper coating plate; 62, upper coating nozzle; 63, lower coating Plate; 64, lower paint nozzle; 65, first branch pipe; 66, second bottom plate; 67, paint box; 68, delivery pump; 69, main pipe; 7, grinding mechanism; 71, fourth mounting bracket; 72, second electric telescopic rod; 73, first gear box; 74, second motor; 75, first grinding disc; 76, third electric telescopic rod; 77, second gear box; 78, third motor; 79, second grinding disc; 8, drying mechanism; 81, bracket; 82, upper heating air duct; 83, lower heating air duct; 84, second branch pipe; 85, fan base; 86, fan; 87, second main pipe. DETAILED DESCRIPTION

[0036] Below, the invention is further described with reference to the accompanying drawings and specific embodiments:

[0037] See also Figure 1-7 , according to an embodiment of the present invention, a production equipment for the wear-resistant and oxidation-resistant surface of a biaxially oriented polyester film comprises a frame 1, a support leg 2 is fixedly installed at the bottom end of the frame 1, a feeding assembly 3 is installed at one end of the top of the frame 1, and a winding mechanism 4 is installed at the other end of the top of the frame 1, and the winding mechanism 4 can collect the processed polyester film, and two groups of leveling mechanisms 5 are arranged between the feeding assembly 3 and the winding mechanism 4. The leveling mechanism 5 can perform a secondary leveling operation on the paint sprayed on the surface of the polyester film, and a coating mechanism 6 and a polishing mechanism 7 are arranged between the feeding assembly 3 and the leveling mechanism 5, and between the two groups of leveling mechanisms 5. The coating mechanism 6 can spray antioxidant paint and wear-resistant paint on the surface of the polyester film, and the polishing mechanism 7 can perform initial leveling and polishing treatment on the sprayed paint, and a drying mechanism 8 is arranged between one group of the leveling mechanisms 5 and the winding mechanism 4. The drying mechanism 8 can quickly dry the paint, thereby reducing process time and reducing cost;

[0038] The winding mechanism 4 includes a winding roller 44 that can rotate and rise and fall in the vertical direction. The rotation of the winding roller 44 can wind the polyester film on the roller, and as the number of turns of the polyester film increases, the winding roller 44 will slowly descend, thereby ensuring that the polyester film can always be located on the same plane in each processing section, ensuring the processing effect at each stage;

[0039] The leveling mechanism 5 includes a first leveling roller 52 and a second leveling roller 53 of the same specifications and rotating in opposite directions. The two sets of first leveling rollers 52 and second leveling rollers 53 rotating in opposite directions can not only level the paint, but also cause the polyester film to move due to their contact with the polyester film.

[0040] The coating mechanism 6 includes an upper coating plate 61 disposed above the polyester film, and a lower coating plate 63 disposed below the polyester film. A plurality of upper coating nozzles 62 are disposed below the upper coating plate 61, and a plurality of lower coating nozzles 64 are disposed above the lower coating plate 63. The plurality of upper coating nozzles 62 and lower coating nozzles 64 evenly distributed on the upper coating plate 61 and the lower coating plate 63 can spray the coating evenly and comprehensively onto the upper and lower surfaces of the polyester film.

[0041] The grinding mechanism 7 includes a first gear box 73 that is arranged above the polyester film and can be lifted and lowered, and a second gear box 77 that is arranged below the polyester film and can be lifted and lowered. The top of the first gear box 73 is installed with a second motor 74. The bottom of the first gear box 73 is connected to multiple groups of first grinding discs 75, and the first grinding discs 75 are connected to the gears in the first gear box 73. The second motor 74 drives the gears in the first gear box 73 to rotate, and the gears in the first gear box 73 drive the first grinding disc 75 to rotate. The paint on the upper surface of the polyester film is polished to improve the uniformity of the spraying. A third motor 78 is installed at the bottom end of the second gear box 77. A plurality of second polishing discs 79 are connected to the top end of the second gear box 77. The second polishing discs 79 are connected to the gears in the second gear box 77. The third motor 78 drives the gears in the second gear box 77 to rotate, and the gears in the second gear box 77 drive the second polishing discs 79 to rotate. The paint on the lower surface of the polyester film is polished by the second polishing discs 79, thereby improving the uniformity of the spraying.

[0042] The drying mechanism 8 includes an upper heating duct 82 disposed above the polyester film, a lower heating duct 83 disposed below the polyester film, and a fan 86. The fan 86 blows air into the upper heating duct 82 and the lower heating duct 83. The air is heated in the upper heating duct 82 and the lower heating duct 83 and then blown onto the upper and lower surfaces of the polyester film, thereby achieving a rapid drying operation of the coating.

[0043] See also Figure 1-7, the biaxially oriented polyester film is introduced through the feeding assembly 3, and then passes between the upper coating plate 61 and the lower coating plate 63 of the first coating mechanism 6, and is sprayed with an anti-oxidation coating, and then passes through the first grinding mechanism 7, and is initially ground and leveled by the first grinding sheet 75 and the second grinding sheet 79, and then passes through the first leveling mechanism 5, and is secondarily leveled by the first leveling roller 52 and the second leveling roller 53, and then passes between the upper coating plate 61 and the lower coating plate 63 of the second coating mechanism 6, and is sprayed with a wear-resistant coating, and then passes through the second grinding mechanism 7, and is first leveled and leveled by the first leveling roller 52 and the second leveling roller 53, and then passes through the second leveling mechanism 7, and is The grinding sheet 75 and the second grinding sheet 79 perform a third grinding and leveling operation on it, and then the second set of leveling mechanisms 5, the first leveling roller 52 and the second leveling roller 53 perform a fourth leveling operation on it. At this time, the uniformity of the coating on the upper and lower surfaces of the polyester film can be guaranteed, and then the hot air blown out by the upper heating air duct 82 and the lower heating air duct 83 is used to quickly dry the coating, and then the film is rolled up by the winding mechanism 4. This solution can realize the spraying of antioxidant and wear-resistant coatings on a single production line, as well as multiple grinding and leveling operations on the sprayed coating, which can greatly improve the production efficiency.

[0044] See also Figure 3 The winding mechanism 4 includes a first base plate 41 fixedly mounted on the support leg 2, a plurality of first electric telescopic rods 42 arranged evenly are mounted on the top of the first base plate 41, a first mounting frame 43 is mounted on the output end of the first electric telescopic rod 42, and a winding roller 44 is mounted on the first mounting frame 43. The height of the winding roller 44 can be adjusted by the telescopic effect of the first electric telescopic rod 42, and limiting guide rails 45 are provided on both sides of the first mounting frame 43. The limiting guide rails 45 can limit the movement of the first mounting frame 43 in the vertical direction, thereby preventing it from tilting, thereby ensuring practical effects; the winding mechanism 4 also includes a first base plate 41 fixedly mounted on the machine The second mounting bracket 46 on the frame 1 is equipped with a distance measuring component, which includes an infrared rangefinder 47 mounted on the top of the second mounting bracket 46, and a controller 48 fixedly mounted on one side of the second mounting bracket 46. The infrared rangefinder 47 is electrically connected to the controller 48, and the controller 48 is electrically connected to the first electric telescopic rod 42. When the film is wound around the winding roller 44, its overall diameter will increase. At this time, the value measured by the infrared rangefinder 47 will change, and the infrared rangefinder 47 will transmit the detected signal to the controller 48. The controller 48 can control the first electric telescopic rod 42 to work in real time to realize automated operation.

[0045] See also Figure 5The upper coating plate 61 and the lower coating plate 63 are both installed above the frame 1 through the equipment rack. One end of the upper coating plate 61 and the lower coating plate 63 are connected to the first branch pipe 65. The coating mechanism 6 also includes a second bottom plate 66. The second bottom plate 66 is fixedly mounted on the support leg 2. A paint box 67 is fixedly mounted on the top of the second bottom plate 66. The top of the paint box 67 is connected to a delivery pump 68. The output end of the delivery pump 68 is connected to one end of the main pipe 69. The other end of the main pipe 69 is connected to the two first branch pipes 65 through a connector. The paint in the paint box 67 is extracted by the delivery pump 68 and transported to the upper coating plate 61 and the lower coating plate 63, and then sprayed onto the upper and lower surfaces of the film through the upper coating nozzle 62 and the lower coating nozzle 64, realizing simultaneous spraying operation.

[0046] See also Figure 6 The grinding mechanism 7 also includes a fourth mounting bracket 71 fixedly mounted on the top of the frame 1, and two groups of evenly distributed second electric telescopic rods 72 are installed on the fourth mounting bracket 71. The output end of the second electric telescopic rod 72 is connected to the first gear box 73. The second electric telescopic rod 72 can adjust the height of the first gear box 73, thereby adjusting the height of the first grinding plate 75, so that it can easily contact the upper surface of the film. The grinding mechanism 7 also includes two groups of third electric telescopic rods 76 fixedly mounted on the top of the frame 1, and the output end of the third electric telescopic rod 76 is connected to the second gear box 77. The third electric telescopic rod 76 can adjust the height of the second gear box 77, thereby adjusting the height of the second grinding plate 79, so that it can easily contact the lower surface of the film.

[0047] See also Figure 4 The leveling mechanism 5 also includes a third mounting frame 51 fixedly mounted on the top of the frame 1, and the first leveling roller 52 and the second leveling roller 53 are both rotatably connected to the third mounting frame 51. One end of the first leveling roller 52 and the second leveling roller 53 are connected to a rotating shaft and extend out of the third mounting frame 51. Gears 54 are connected to the two sets of rotating shafts, and the two sets of gears 54 are meshed and connected. One set of rotating shafts is also connected to a first sprocket 55. The leveling mechanism 5 also includes a first motor 56 fixedly mounted on the top of the frame 1. The output of the first motor 56 A second sprocket 57 is installed at the output end, and the second sprocket 57 is connected to the first sprocket 55 through a chain 58. The second sprocket 57 is driven to rotate by the first motor 56, and the second sprocket 57 drives the first sprocket 55 to rotate through the chain 58. The first sprocket 55 drives the first leveling roller 52 to rotate. At the same time, the gear 54 on the first leveling roller 52 drives the gear 54 on the second leveling roller 53 to rotate, and then drives the second leveling roller 53 to rotate in the opposite direction, so that the film is leveled by the first leveling roller 52 and the second leveling roller 53.

[0048] See also Figure 7The drying mechanism 8 also includes a bracket 81 fixedly mounted on the top of the frame 1, an upper heating air duct 82 and a lower heating air duct 83 are both mounted on the bracket 81, one end of the upper heating air duct 82 and the lower heating air duct 83 are connected to a second branch pipe 84, a fan 86 is mounted on a fan base 85, and the fan base 85 is fixedly mounted on one side of the frame 1, an output end of the fan 86 is connected to a second main pipe 87, one end of the second main pipe 87 is connected to the two second main pipes 87 through a connector, and the fan 86 transports air to the upper heating air duct 82 and the lower heating air duct 83 through the second main pipe 87 and the two second branch pipes 84 respectively, after the air is heated by the upper heating air duct 82 and the lower heating air duct 83, it is ejected through the air outlet thereon to dry the film.

[0049] A production process for the wear-resistant and oxidation-resistant surface of a biaxially oriented polyester film, using a production device for the wear-resistant and oxidation-resistant surface of a biaxially oriented polyester film; the specific working principle is: the biaxially oriented polyester film is introduced through a feeding component 3, and then passes between an upper coating plate 61 and a lower coating plate 63 of a first group of coating mechanisms 6, and is sprayed with an antioxidant coating, and then passes through a first group of grinding mechanisms 7, and is subjected to a primary grinding and leveling operation by a first grinding sheet 75 and a second grinding sheet 79, and then passes through a first group of leveling mechanisms 5, and is subjected to a secondary leveling operation by a first leveling roller 52 and a second leveling roller 53, and then passes between an upper coating plate 61 and a lower coating plate 63 of a second group of coating mechanisms 6 ... It sprays wear-resistant paint, then passes through the second group of grinding mechanisms 7, and is polished and leveled for the third time by the first grinding plate 75 and the second grinding plate 79, and then passes through the second group of leveling mechanisms 5, and is leveled for the fourth time by the first leveling roller 52 and the second leveling roller 53. At this time, the uniformity of the paint on the upper and lower surfaces of the polyester film can be guaranteed, and then the hot air blown out by the upper heating air duct 82 and the lower heating air duct 83 is used to quickly dry the paint, and then the film is rolled up by the winding mechanism 4. This solution can realize the spraying of antioxidant and wear-resistant paint on a single production line, as well as multiple polishing and leveling operations on the sprayed paint, which can greatly improve the production efficiency.

[0050] In the description of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A production equipment for a biaxially oriented polyester film with a wear-resistant and oxidation-resistant surface, comprising a frame (1), a support leg (2) fixedly mounted at the bottom end of the frame (1), and a feeding assembly (3) mounted at one end of the top end of the frame (1), characterized in that: A winding mechanism (4) is installed at the other end of the top of the frame (1), two groups of leveling mechanisms (5) are arranged between the feeding assembly (3) and the leveling mechanism (5), and a coating mechanism (6) and a polishing mechanism (7) are arranged between the feeding assembly (3) and the leveling mechanism (5), as well as between the two groups of leveling mechanisms (5), and a drying mechanism (8) is arranged between one group of the leveling mechanisms (5) and the winding mechanism (4); The winding mechanism (4) includes a winding roller (44) that can rotate and can be raised and lowered in the vertical direction; The leveling mechanism (5) comprises a first leveling roller (52) and a second leveling roller (53) having the same specifications and rotating in opposite directions; The coating mechanism (6) comprises an upper coating plate (61) arranged above the polyester film, and a lower coating plate (63) arranged below the polyester film, a plurality of groups of upper coating spray heads (62) being arranged below the upper coating plate (61), and a plurality of groups of lower coating spray heads (64) being arranged above the lower coating plate (63); The grinding mechanism (7) comprises a first gear box (73) arranged above the polyester film and capable of being raised and lowered, and a second gear box (77) arranged below the polyester film and capable of being raised and lowered, a second motor (74) being installed at the top of the first gear box (73), a plurality of first grinding plates (75) being connected to the bottom of the first gear box (73), and the first grinding plates (75) being connected to the gears in the first gear box (73), a third motor (78) being installed at the bottom of the second gear box (77), a plurality of second grinding plates (79) being connected to the top of the second gear box (77), and the second grinding plates (79) being connected to the gears in the second gear box (77); The drying mechanism (8) comprises an upper heating air duct (82) arranged above the polyester film, a lower heating air duct (83) arranged below the polyester film, and a fan (86).

2. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidative according to claim 1, characterized in that: The winding mechanism (4) comprises a first base plate (41) fixedly mounted on the supporting leg (2); a plurality of groups of evenly arranged first electric telescopic rods (42) are mounted on the top of the first base plate (41); a first mounting frame (43) is mounted on the output end of the first electric telescopic rod (42); the winding roller (44) is mounted on the first mounting frame (43); and limiting guide rails (45) are provided on both sides of the first mounting frame (43).

3. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidative according to claim 2, characterized in that: The rewinding mechanism (4) further comprises a second mounting frame (46) fixedly mounted on the frame (1); a distance measuring assembly is mounted on the second mounting frame (46); the distance measuring assembly comprises an infrared rangefinder (47) mounted on the top of the second mounting frame (46); and a controller (48) fixedly mounted on one side of the second mounting frame (46); the infrared rangefinder (47) is electrically connected to the controller (48); and the controller (48) is electrically connected to the first electric telescopic rod (42).

4. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidative according to claim 1, characterized in that: The upper coating plate (61) and the lower coating plate (63) are both installed above the frame (1) through an equipment rack, and one end of the upper coating plate (61) and the lower coating plate (63) are both connected to a first branch pipe (65). The coating mechanism (6) also includes a second base plate (66), and the second base plate (66) is fixedly installed on the support leg (2). A coating box (67) is fixedly installed on the top of the second base plate (66), and the top of the coating box (67) is connected to a delivery pump (68), and the output end of the delivery pump (68) is connected to one end of a main pipe (69), and the other end of the main pipe (69) is connected to the two first branch pipes (65) through a connector.

5. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidation according to claim 1, characterized in that: The grinding mechanism (7) further comprises a fourth mounting frame (71) fixedly mounted on the top of the frame (1); two groups of evenly distributed second electric telescopic rods (72) are mounted on the fourth mounting frame (71); the output ends of the second electric telescopic rods (72) are connected to the first gear box (73); the grinding mechanism (7) further comprises two groups of third electric telescopic rods (76) fixedly mounted on the top of the frame (1); the output ends of the third electric telescopic rods (76) are connected to the second gear box (77).

6. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidation according to claim 1, characterized in that: The leveling mechanism (5) further comprises a third mounting frame (51) fixedly mounted on the top of the frame (1); the first leveling roller (52) and the second leveling roller (53) are both rotatably connected to the third mounting frame (51); one end of each of the first leveling roller (52) and the second leveling roller (53) is connected to a rotating shaft and extends out of the third mounting frame (51); both sets of rotating shafts are connected to gears (54); the two sets of gears (54) are meshed and connected; one set of the rotating shafts is further connected to a first sprocket (55); the leveling mechanism (5) further comprises a first motor (56) fixedly mounted on the top of the frame (1); a second sprocket (57) is mounted on the output end of the first motor (56); the second sprocket (57) and the first sprocket (55) are connected to each other via a chain (58).

7. The production equipment for making the surface of the biaxially oriented polyester film wear-resistant and anti-oxidation according to claim 1, characterized in that: The drying mechanism (8) further comprises a bracket (81) fixedly mounted on the top of the frame (1); the upper heating air duct (82) and the lower heating air duct (83) are both mounted on the bracket (81); one end of each of the upper heating air duct (82) and the lower heating air duct (83) is connected to a second branch pipe (84); the fan (86) is mounted on the fan base (85); the fan base (85) is fixedly mounted on one side of the frame (1); the output end of the fan (86) is connected to a second main pipe (87); one end of the second main pipe (87) is connected to two second main pipes (87) via a connector.

8. A process for producing a biaxially oriented polyester film with a wear-resistant and oxidation-resistant surface, characterized in that: The production equipment according to any one of claims 1 to 7 is used.

Images