Coating machine for processing Teflon cloth

Abstract

The invention discloses a coating machine for processing Teflon cloth, relates to the technical field of coating machines, and solves the technical problems that the tension cannot be stably controlled, the centering performance is low and the whole equipment is relatively loose in the existing technical scheme. An unwinding unit, a winding unit, a drying unit, a coating unit and an adjusting unit are arranged on the upper wall face of the main base, the unwinding unit and the winding unit are arranged at the two ends of the upper wall face of the main base, and the drying unit is arranged at the position, close to the winding unit, of the upper wall face of the main base. Functional units such as unwinding, winding, coating, drying, adjusting and temperature adjusting are integrated on the main base, all the units cooperate closely, and the problems that an existing device is loose in structure and large in occupied space are solved; the equipment is reasonable in overall layout, convenient to operate and low in maintenance cost, meanwhile, the operation stability and the cooperation coordination are improved, and the equipment is suitable for large-scale and continuous Teflon cloth processing scenes.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of coating machines, in particular to a Teflon cloth processing coating machine. BACKGROUND

[0002] The Teflon coated cloth is widely used in the fields of aviation, papermaking, food and environmental protection due to excellent high and low temperature resistance, anti-adhesion and chemical stability. In the production and processing of the Teflon cloth, the coating process is a key link determining the quality of the finished product. The existing coating equipment has the following technical problems in processing the Teflon cloth: during the coating of the agent and high-temperature drying, the physical properties of the Teflon base cloth change slightly, the traditional equipment is difficult to adjust the cloth tension in real time and accurately, and the cloth surface is prone to wrinkles or uneven coating thickness. The widths of different batches of cloth are different, the existing unwinding and winding mechanisms are tedious to adjust, it is difficult to ensure that the cloth always runs along the center line of the machine, and the cloth is prone to deviation. The existing coating machine often only pays attention to the drying temperature, ignores the preheating before coating and the rapid cooling after coating, which affects the penetration and solidification quality of the Teflon agent on the base cloth. Manual operation is often relied on in the initial threading and cloth surface cleaning, which not only reduces the production efficiency, but also increases the risk of introducing impurities.

[0003] The existing technical solution has the technical problems of unstable tension control, poor centering performance and loose equipment. SUMMARY

[0004] In view of the deficiencies of the prior art, the application provides a Teflon cloth processing coating machine, which solves the technical problems of the existing technical solution that cannot stably control the tension, has poor centering performance and is loose as a whole.

[0005] To achieve the above purpose, the application realizes the following technical scheme: a Teflon cloth processing coating machine, comprising a main base, wherein the upper wall surface of the main base is provided with an unwinding unit, a winding unit, a drying unit, a coating unit and an adjusting unit, the unwinding unit and the winding unit are arranged at both ends of the upper wall surface of the main base, the drying unit is arranged close to the winding unit on the upper wall surface of the main base, a mounting bracket is fixedly installed on the upper wall surface of the main base, the coating unit is arranged close to the unwinding unit on the upper wall surface of the mounting bracket, and the adjusting unit is arranged on the upper wall surface of the main base, the unwinding unit is used for releasing the cloth, the winding unit is used for winding the cloth, and the adjusting unit is used for detecting the cloth tension and stretching the cloth.

[0006] Preferably, the unwinding unit and the winding unit are provided with a centering adjusting structure, the centering adjusting structure comprises a guide rail, two end plates and a driving frame, the guide rail is fixedly installed on the main base, the two end plates are slidably installed on the guide rail, one of the two end plates is provided with a driving motor, the driving end of the driving motor is provided with the driving frame, a roller is arranged between the two end plates, the driving frame and the roller are detachably connected, and a driving part is arranged between the guide rail and the two end plates.

[0007] Preferably, the driving part comprises a bidirectional motor, the driving end of the bidirectional motor is connected with thread rods with opposite rotation directions respectively, corresponding threaded holes are formed in the lower ends of the end plates, the end plates are threadedly connected with the thread rods, and the two end plates are symmetrically arranged and move in opposite directions.

[0008] Preferably, the main base is provided with a temperature adjusting unit, the temperature adjusting unit comprises preheating rollers and refrigeration rollers, vertical columns are fixedly installed on the main base, the preheating rollers and the refrigeration rollers are rotatably installed between the vertical columns, the preheating rollers are installed on one side of the unwinding unit, the refrigeration rollers are arranged on one side of the winding unit, a refrigerating machine is arranged on the main base, the heat pipe of the refrigerating machine is connected to one end of the preheating roller, the cold pipe of the refrigerating machine is connected to one end of the refrigeration roller, air passages are formed in the preheating rollers and the refrigeration rollers, and the air passages are used for sending cold air or hot air to change the surface temperature of the refrigeration rollers and the preheating rollers.

[0009] Preferably, the coating unit comprises a coating bin and a spraying head, the coating bin is fixedly installed on the mounting frame, the spraying head is fixedly installed at the lower end of the coating bin, the spraying head is arrayed for uniformly spraying coating liquid drops on the surface of the material cloth, a support frame is fixedly installed on the upper wall of the main base, a support roller is fixedly installed on the support frame, the support roller is used for cooperating with the drying unit to straighten the cloth, and a coating recovery basin is arranged on the main base.

[0010] Preferably, the drying unit comprises a drying box, the drying box is arranged on the upper wall of the main base, the upper end of the drying box is an arc plate, the drying box is provided with an exhaust hole at the upper end, the drying box is provided with a gas sending fan in the inside, the side wall of the drying box is provided with an air inlet hole, and the upper end of the drying box is provided with a heating resistance wire in the inside.

[0011] Preferably, the adjusting unit comprises a pair of swing arms, the swing arms are rotatably installed on the upper wall of the mounting frame, detection pressure rollers are rotatably installed at the lower ends of the swing arms respectively, counterweight rollers are rotatably installed at the upper ends of the swing arms respectively, the detection pressure rollers are provided with tension sensors, and the detection pressure rollers are press-connected with the preheating rollers and the refrigeration rollers respectively when the swing arms swing to a pressure connection state.

[0012] Preferably, a linkage hydraulic cylinder is rotatably connected to the upper end of one of the swing arms.

[0013] Preferably, a swing plate is rotatably connected to the upper end of the swing arm.

[0014] Preferably, an upper feeding motor is arranged on the main base, an auxiliary rod is fixedly arranged on the driving end of the upper feeding motor, an upper feeding shaft is arranged on one end of the auxiliary rod, and the upper feeding shaft is used to connect the starting end of the cloth and send the cloth from the unwinding unit to the winding unit.

[0015] Beneficial effects: 1. The bidirectional motor drives the screw rods with opposite rotation directions, which drives the end plates of the unwinding unit and the winding unit to synchronously and symmetrically displace, can automatically adapt to Teflon cloth with different widths, ensures that the cloth always runs along the center line of the machine during long-distance transmission, completely solves the problems of poor centering performance and easy deviation of traditional equipment, significantly improves the regularity of the coating edge, and guarantees the size consistency of the finished cloth.

[0016] 2. The adjusting unit collects cloth tension data in real time through the tension sensor integrated with the compression roller, realizes dynamic closed-loop adjustment of the cloth tension through the balancing action of the counterweight roller and the synchronous driving of the linkage hydraulic cylinder. No matter the cloth is in the coating, drying or transmission stage, the constant tension can be maintained, the cloth surface wrinkles, stretching deformation or rupture phenomenon can be effectively avoided, and the core technical pain point that the existing equipment cannot stably control the tension is solved.

[0017] 3. The temperature adjusting unit composed of the preheating roller and the refrigeration roller is innovatively arranged, the surface activity of the Teflon cloth is improved through the preheating roller before coating, the permeability and adhesion of the coating are enhanced, the quick cooling and solidification are realized through the refrigeration roller after coating and drying, the coating forming period is shortened, the bonding strength of the coating and the base cloth is significantly improved, the problems of coating peeling and cracking caused by temperature adjustment loss are avoided, and the weather resistance and service life of the finished product are guaranteed.

[0018] 4. The array type spraying head design is adopted in the coating unit, the uniform distribution of the coating droplets on the cloth surface is ensured, the precise control of the coating thickness is realized through the straightening action of the supporting roller, the additional coating recovery basin can efficiently collect the excess coating in the spraying process, the material recycling is realized, the material cost in the production process is reduced, and the waste of consumables is reduced.

[0019] 5. The arc-shaped upper cover and forced convection hot air design are adopted in the drying box, the air supply fan and the heating resistance wire work cooperatively, the cloth is evenly heated, the drying efficiency is significantly improved compared with traditional equipment, the exhaust holes at the upper end can timely discharge the waste gas and water vapor generated during drying, which avoids the influence of water vapor residue on the coating quality and maintains the cleanliness of the production environment, and the production efficiency and environmental protection demand are considered.

[0020] 6, the auxiliary rod driven by the motor and the feeding shaft realize the automation of the initial cloth penetrating, greatly shorten the production preparation time, and reduce the manual operation strength; the cleaning rod on the swing arm can clean the floating dust and impurities on the surface of the cloth on line, avoid the low efficiency and impurity introduction problems caused by manual cleaning, and further guarantee the purity of the coating and the qualified rate of the finished product.

[0021] To sum up, the present application integrates the functions of unwinding, winding, coating, drying, adjusting and temperature regulating in the main base, and each unit is closely coordinated, which solves the problems of loose structure and large space occupation of the existing equipment; the overall layout of the equipment is reasonable, convenient to operate and low in maintenance cost, and meanwhile, the running stability and coordination are improved, so that the present application is suitable for the Teflon cloth processing scene of large scale and continuous production, and has strong practical value and popularization prospect. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a first three-dimensional structure schematic view of the coating machine for processing Teflon cloth.

[0023] Figure 2 It is a second three-dimensional structure schematic view of the coating machine for processing Teflon cloth.

[0024] Figure 3 It is a front view structure schematic view of the coating machine for processing Teflon cloth.

[0025] Figure 4 It is a side view structure schematic view of the coating machine for processing Teflon cloth.

[0026] Figure 5 It is a front view cross-sectional structure schematic view of the coating machine for processing Teflon cloth.

[0027] Figure 6 It is a top view cross-sectional structure schematic view of the coating machine for processing Teflon cloth.

[0028] Figure 7 It is an inclined cross-sectional structure schematic view of the coating machine for processing Teflon cloth.

[0029] In the figure: 1, main base; 2, mounting frame; 3, guide rail; 4, end plate; 5, drive frame; 6, drive motor; 8, roller; 9, bidirectional motor; 10, threaded rod; 11, preheating roller; 12, refrigeration roller; 13, stand; 14, refrigeration machine; 15, air cavity; 16, paint bin; 17, spraying head; 18, support frame; 19, support roller; 20, paint recovery basin; 21, drying box; 22, exhaust hole; 23, air supply fan; 24, air inlet hole; 25, heating resistance wire; 26, swing arm; 27, detection compression roller; 28, counterweight roller; 29, linkage hydraulic cylinder; 30, swing plate; 31, cleaning rod; 32, feeding motor; 33, auxiliary rod; 34, feeding shaft. DETAILED DESCRIPTION

[0030] In order to further illustrate the technical means and effects taken by the present application to achieve the predetermined object, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The detailed description is as follows.

[0031] Please refer to Figures 1-7 The present application provides a technical solution: a Teflon cloth processing coating machine, comprising a main base 1, the upper wall surface of the main base 1 is provided with a unwinding unit, a winding unit, a drying unit, a coating unit and an adjusting unit, the unwinding unit and the winding unit are arranged at both ends of the upper wall surface of the main base 1, the drying unit is arranged near the winding unit on the upper wall surface of the main base 1, the mounting frame 2 is fixedly installed on the upper wall surface of the main base 1, the coating unit is arranged near the unwinding unit on the upper wall surface of the mounting frame 2, and the adjusting unit is arranged on the upper wall surface of the main base 1. The unwinding unit is used for releasing cloth, the winding unit is used for winding cloth, and the adjusting unit is used for detecting cloth tension and calendering and tightening cloth.

[0032] By integrating the unwinding, coating, drying, winding and adjusting units on the main base 1, a complete Teflon cloth continuous production line is constructed; the unwinding unit and the winding unit are respectively responsible for the input of the material and the collection of the finished product; the coating unit is positioned at the front end through the mounting frame 2, ensuring that the cloth completes the coating of the medicament before entering the drying process; the adjusting unit ensures that the cloth remains flat and the tension is constant during the whole line running process through real-time detection and calendering of the cloth tension, preventing wrinkles or breakage.

[0033] In some embodiments, the unwinding unit and the winding unit are each provided with a centering adjustment structure, the centering adjustment structure comprising a guide rail 3, two end plates 4 and a driving frame 5, the guide rail 3 being fixedly installed on the main base 1, the two end plates 4 being slidingly installed on the guide rail 3, one of the two end plates 4 being provided with a driving motor 6, the driving end of the driving motor 6 being provided with the driving frame 5, a roller 8 being provided between the two end plates 4, the driving frame 5 and the roller 8 being detachably connected, and a driving part being provided between the guide rail 3 and the two end plates 4; the centering adjustment structure realizes the adaptation to the roller 8 of different widths of cloth through the cooperation of the guide rail 3 and the sliding end plate 4; the driving motor 6 drives the roller 8 to rotate through the driving frame 5, realizing the active unwinding or winding; the driving part controls the accurate displacement of the two end plates 4 on the guide rail 3, ensuring that the center line of the cloth always coincides with the machining center line of the machine, thereby avoiding the deviation of the cloth during the coating process.

[0034] In some embodiments, the driving part comprises a bidirectional motor 9, the driving end of the bidirectional motor 9 being connected with thread rods 10 of opposite rotation directions respectively, the lower end of the end plate 4 being provided with corresponding threaded holes, the end plate 4 being threadedly connected with the thread rods 10, and the two end plates 4 being symmetrically arranged with opposite movement directions; the bidirectional motor 9 is adopted to drive the thread rods 10 of opposite rotation directions, and the screw-nut transmission principle is utilized to make the left and right end plates 4 produce mirror-symmetrical movement; this structure can realize the synchronous inward tightening or outward expansion of the two end plates 4 only by a single power source, improves the centering efficiency, and ensures the mechanical symmetry precision of the centering operation.

[0035] In some embodiments, the main base 1 is provided with a temperature adjusting unit, the temperature adjusting unit comprising a preheating roller 11 and a refrigeration roller 12, vertical columns 13 being fixedly installed on the main base 1, the preheating roller 11 and the refrigeration roller 12 being rotatably installed between the vertical columns 13, the preheating roller 11 being installed on one side of the unwinding unit, the refrigeration roller 12 being provided on one side of the winding unit, a refrigeration machine 14 being provided on the main base 1, the hot pipe of the refrigeration machine 14 being connected to one end of the preheating roller 11, the cold pipe of the refrigeration machine 14 being connected to one end of the refrigeration roller 12, air passages 15 being provided in the preheating roller 11 and the refrigeration roller 12, the air passages 15 being used for sending in cold air or hot air to change the surface temperature of the preheating roller 11 and the refrigeration roller 12, and the preheating roller 11 and the refrigeration roller 12 being electric rollers; the temperature adjusting unit utilizes the heat energy and cold energy circulation of the refrigeration machine 14 to respectively heat and cool the preheating roller 11 and the refrigeration roller 12; the preheating roller 11 enhances the permeability and adhesion of the Teflon coating by improving the surface temperature of the cloth through the hot air in the air passage 15; the refrigeration roller 12 quickly cools and solidifies the cloth after drying; the active rotation of the electric roller can reduce the frictional resistance of the material in the traction process.

[0036] In some embodiments, the coating unit includes a paint tank 16 and a spray head 17. The paint tank 16 is fixedly mounted on the mounting frame 2, and the spray head 17 is fixedly mounted on the lower end of the paint tank 16. The spray heads 17 are arranged in an array to uniformly spray paint droplets onto the surface of the material cloth. A support frame 18 is fixedly mounted on the upper wall of the main base 1, and a support roller 19 is fixedly mounted on the support frame 18. The support roller 19 is used to cooperate with the drying unit to straighten the cloth. A paint recovery basin 20 is provided on the main base 1. The coating unit adopts an array spray head 17 design, which supplies paint through the paint tank 16 to uniformly distribute paint droplets on the surface of the cloth. The support roller 19 cooperates with the drying unit to form a stable physical support plane to ensure a constant spraying distance. The paint recovery basin 20 can collect excess liquid generated during the spraying process, realize the recycling of materials, and keep the environment clean.

[0037] In some embodiments, the drying unit includes a drying chamber 21, which is disposed on the upper wall of the main base 1. The upper end of the drying chamber 21 is an arc-shaped plate, and an exhaust port 22 is provided at the upper end of the drying chamber 21. An air supply fan 23 is provided inside the drying chamber 21, and an air inlet 24 is opened on the side wall of the drying chamber 21. A heating resistance wire 25 is provided inside the upper end of the drying chamber 21. The drying chamber 21 generates heat through the built-in heating resistance wire 25, and the air supply fan 23 guides the hot air to force convection in the chamber. The arc-shaped upper cover plate helps airflow circulation, and the exhaust port 22 is used to discharge the waste gas and water vapor generated during the drying of the coating. This structure heats the Teflon coating evenly with hot air, so that the Teflon coating can quickly form a film and dry on the surface of the fabric.

[0038] In some embodiments, the adjustment unit includes a pair of swing arms 26, which are rotatably mounted on the upper wall of the mounting frame 2. Detection pressure rollers 27 are rotatably mounted on the lower ends of the pair of swing arms 26, and counterweight rollers 28 are rotatably mounted on the upper ends of the pair of swing arms 26. Tension sensors are provided on the detection pressure rollers 27. When the swing arms 26 swing to the pressing state, the detection pressure rollers 27 are pressed and connected to the preheating roller 11 and the cooling roller 12 respectively. The structure of the swing arms 26 of the adjustment unit is balanced by the counterweight rollers 28. The detection pressure rollers 27 at the lower end integrate tension sensors, which can acquire the linear tension data of the fabric in real time. When the swing arms 26 press against the preheating roller 11 or the cooling roller 12, a friction transmission pair is formed, which not only increases the wrap angle of the fabric to stabilize the tension, but also provides a precise feedback signal for the control system to adjust the operating speed of the frequency converter.

[0039] In some embodiments, a linkage hydraulic cylinder 29 is rotatably mounted on the upper end of one swing arm 26, and the telescopic end of the linkage hydraulic cylinder 29 is rotatably connected to the upper end of another swing arm 26; the linkage hydraulic cylinder 29 is connected between the two swing arms 26, and through the telescopic action of the hydraulic rod, it synchronously drives a pair of swing arms 26 to perform opening and closing movements; this design ensures that the pressure applied at the two detection positions is consistent, simplifies the control logic, and improves the mechanical response speed.

[0040] In some embodiments, the swing arm 26 is rotatably mounted with a swing plate 30, the front end of the swing plate 30 is provided with a cleaning rod 31, and the swing plate 30 is an electric plate; the electric swing plate 30 and the cleaning rod 31 carried on the swing arm 26 can clean the floating dust or impurities attached to the surface of the cloth during the cloth processing process; through the reciprocating motion of the swing plate 30, the cleaning rod 31 can effectively clean the surface of the cloth, avoiding impurities from entering the coating unit to cause the finished product to have a granular feel or coating defects.

[0041] In some embodiments, the main base 1 is provided with a feeding motor 32, the driving end of the feeding motor 32 is fixedly installed with an auxiliary rod 33, one end of the auxiliary rod 33 is provided with a feeding shaft 34, and the feeding shaft 34 is used to connect the starting end of the cloth to send the cloth from the unwinding unit to the winding unit; the feeding motor 32 drives the auxiliary rod 33 and the feeding shaft 34 to perform the cloth leading function in the initial starting stage of the equipment; this structure can automatically pull the front end of the cloth from the unwinding place and pass through each processing unit until the winding shaft, reducing the difficulty and safety risk of manual cloth threading, and improving the automation degree of the production preparation stage.

[0042] The working principle is as follows: first, place the Teflon raw cloth roller 8 to be processed between the two end plates 4 of the unwinding unit; start the feeding motor 32 to drive the auxiliary rod 33 and the feeding shaft 34 to drive the starting end of the cloth to pass through the preheating roller 11, the coating unit, the drying unit, and the refrigeration roller 12 in turn, and finally fix it on the winding shaft of the winding unit to complete the initial path laying of the material; the upper ends of the remaining components are designed to be semicircular in profile, which facilitates the straightening of the cloth, and one swing is enough; according to the width of the cloth, start the bidirectional motor 9 in the centering adjustment structure; the bidirectional motor 9 drives the screw rods 10 with opposite rotation directions to rotate, so that the left and right end plates 4 of the unwinding unit and the winding unit move synchronously inward or outward along the guide rail 3; After the end plate 4 tightens the roller 8, it is ensured that the center line of the cloth coincides with the center line of the main shaft of the machine to prevent axial deviation during operation; operate the linkage hydraulic cylinder 29 to contract or extend to drive the two sets of swing arms 26 on the mounting frame 2 to swing downward; the detection compression rollers 27 at the lower ends of the swing arms 26 press toward the preheating roller 11 and the refrigeration roller 12 respectively, so that the cloth passes around the compression rollers in a wrapped angle shape; start the swing plate 30 synchronously to make the cleaning rod 31 adhere to the surface of the cloth to prepare for subsequent online cleaning; The refrigeration machine 14 is started, the hot air is transported to the air cavity 15 of the preheating roller 11 through the heat pipe, and the cold air is transported to the air cavity 15 of the refrigeration roller 12 through the cold pipe; the surface temperature of the preheating roller 11 is increased to the preset process temperature, so as to improve the physical activity of the Teflon cloth surface; the surface temperature of the refrigeration roller 12 is reduced, so as to provide a cold source for rapid curing of the subsequent coating; the main driving unit is started, and the cloth starts to run at a constant speed; the coating bin 16 of the coating unit supplies the material to the array type spraying head 17, the Teflon coating liquid droplets are uniformly sprayed on the surface of the cloth supported by the supporting roller 19 by the spraying head 17; the excess coating falls into the coating recovery basin 20; the cloth enters above the drying box 21, the heating resistance wire 25 cooperates with the air supply fan 23 to generate hot air, and the coating is high-temperature dried to form a film; during the operation, the radial pressure borne by the compression roller 27 is detected in real time by the tension sensor, and the data is fed back to the control system; if the tension fluctuates, the control system automatically adjusts the speed ratio of the unwinding, driving roller and winding motor, and the mechanical compensation of the adjusting unit keeps the cloth flat and the tension constant; after the cloth is cooled and shaped by the refrigeration roller 12, the cloth is neatly wound by the winding unit. When the winding diameter reaches the set value or the single winding processing is completed, the machine is stopped and the centering adjusting structure is driven in reverse, the end plate 4 is loosened, and the finished Teflon cloth roll is unloaded.

[0043] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application are within the scope of the technical solution of the present application.

Claims

1. A coating machine for processing Teflon cloth, comprising a main base (1), characterized in that, The upper wall of the main base (1) is provided with a unwinding unit, a winding unit, a drying unit, a coating unit and an adjusting unit, the unwinding unit and the winding unit are arranged at both ends of the upper wall of the main base (1), the drying unit is arranged near the winding unit on the upper wall of the main base (1), the main base (1) is fixedly installed with a mounting rack (2), the coating unit is arranged near the unwinding unit on the upper wall of the mounting rack (2), the adjusting unit is arranged on the upper wall of the main base (1), the unwinding unit is used for releasing cloth, the winding unit is used for winding cloth, and the adjusting unit is used for detecting cloth tension and calendering tight cloth.

2. The Teflon cloth processing coating machine according to claim 1, characterized by, The unwinding unit and the winding unit are both provided with a centering adjusting structure, the centering adjusting structure comprises a guide rail (3), two end plates (4) and a drive frame (5), the guide rail (3) is fixedly installed on the main base (1), the two end plates (4) are slidably installed on the guide rail (3), one of the two end plates (4) is provided with a drive motor (6), the drive end of the drive motor (6) is provided with the drive frame (5), a roller (8) is arranged between the two end plates (4), the drive frame (5) and the roller (8) are detachably connected, and a drive part is arranged between the guide rail (3) and the two end plates (4).

3. The Teflon cloth processing coating machine according to claim 2, characterized by, The drive part comprises a bidirectional motor (9), the drive end of the bidirectional motor (9) is respectively connected with screw rods (10) with opposite rotation directions, corresponding threaded holes are formed in the lower ends of the end plates (4), the end plates (4) are in threaded connection with the screw rods (10), and the two end plates (4) are symmetrically arranged and move in opposite directions.

4. The Teflon cloth processing coating machine according to claim 3, characterized by The main base (1) is provided with a temperature adjusting unit, the temperature adjusting unit comprises a preheating roller (11) and a refrigeration roller (12), the main base (1) is fixedly installed with a stand column (13), the preheating roller (11) and the refrigeration roller (12) are rotatably installed between the stand column (13), the preheating roller (11) is installed on one side of the unwinding unit, the refrigeration roller (12) is arranged on one side of the winding unit, the main base (1) is provided with a refrigeration machine (14), the heat pipe of the refrigeration machine (14) is connected to one end of the preheating roller (11), the cold pipe of the refrigeration machine (14) is connected to one end of the refrigeration roller (12), and air passages (15) are formed in the preheating roller (11) and the refrigeration roller (12), the air passages (15) are used for sending cold air or hot air to change the surface temperature of the refrigeration roller (12) and the preheating roller (11).

5. The Teflon cloth processing coating machine according to claim 4, characterized by The coating unit comprises a coating bin (16) and a spraying head (17), the coating bin (16) is fixedly installed on the mounting rack (2), the spraying head (17) is fixedly installed at the lower end of the coating bin (16), the spraying head (17) is arrayed for uniformly spraying coating liquid drops on the surface of the material cloth, the main base (1) is fixedly installed with a support frame (18) on the upper wall, the support frame (18) is fixedly installed with a support roller (19), the support roller (19) is used for cooperating with the drying unit to straighten the cloth, and the main base (1) is provided with a coating recovery basin (20).

6. The Teflon cloth processing coating machine according to claim 5, characterized by The drying unit includes a drying box (21), which is arranged on the upper wall of the main base (1), the upper end of the drying box (21) is an arc plate, the upper end of the drying box (21) is provided with an exhaust hole (22), the drying box (21) is provided with a gas fan (23) inside, the side wall of the drying box (21) is provided with an air inlet hole (24), and the upper end of the drying box (21) is provided with a heating resistance wire (25) inside.

7. The Teflon cloth processing coating machine according to claim 6, characterized by The adjusting unit includes a pair of swing arms (26), the swing arms (26) are rotatably installed on the upper wall of the mounting frame (2), the lower ends of the swing arms (26) are respectively rotatably provided with detection pressure rollers (27), the upper ends of the swing arms (26) are respectively rotatably provided with counterweight rollers (28), the detection pressure rollers (27) are provided with tension sensors, when the swing arms (26) swing to a pressure connection state, the detection pressure rollers (27) are respectively connected with the preheating roller (11) and the refrigeration roller (12) in a pressure connection mode.

8. The Teflon cloth processing coater according to claim 7, characterized by The upper end of one of the swing arms (26) is rotatably provided with a linkage hydraulic cylinder (29), and the telescopic end of the linkage hydraulic cylinder (29) is rotatably connected to the upper end of the other swing arm (26).

9. The Teflon cloth processing coating machine according to claim 8, characterized by The swing arm (26) is rotatably provided with a swing plate (30) on the upper end, and the swing plate (30) is provided with a cleaning rod (31) at the front end.

10. The Teflon cloth processing coating machine according to claim 9, characterized by The main base (1) is provided with a feeding motor (32), the driving end of the feeding motor (32) is fixedly provided with an auxiliary rod (33), one end of the auxiliary rod (33) is provided with a feeding shaft (34), and the feeding shaft (34) is used for connecting the starting end of the cloth and conveying the cloth from the unwinding unit to the winding unit.

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