A device for extruding powder coating

Abstract

The present invention relates to the technical field of powder coating extrusion, and more specifically, to a device for powder coating extrusion, comprising a mounting platform, an extrusion box, a controller, a mounting frame, and a plurality of raw material tanks, wherein the extrusion box is arranged on the mounting platform, the controller is arranged on the extrusion box, the plurality of raw material tanks are connected to the extrusion box through the mounting frame, the extrusion box is provided with a feed window connected to the plurality of raw material tanks, the device further comprises a water inlet, a material transport component, an extrusion output component, and a valve and gas control component, wherein the water inlet is arranged on the extrusion box, the material transport component is arranged on the extrusion box, and the extrusion output component is arranged on the extrusion box. The valve and gas control component can be controlled to work so that the speed at which the raw materials in the raw material tank are input into the extrusion box matches the rotation speed of the driving motor, thereby improving the quality of the coating finally produced, and also ensuring the heating and heat preservation effect of the coating in the extrusion box.

Description

Technical Field

[0001] The invention relates to the technical field of powder coating extrusion, and more specifically to a device for extruding powder coating. Background Art

[0002] Powder coating is a solid powdered synthetic resin coating composed of solid resin, pigments, fillers and additives. Unlike ordinary solvent-based coatings and water-based coatings, its dispersion medium is air, and it has the characteristics of no solvent pollution and low energy consumption. During the production process, there is a step of the production process in which various raw materials are added into the basic machine for mixing, melting and extrusion.

[0003] After the powder coating is extruded from the extruder, the extruded coating will directly fall from the extrusion head onto the double-roller flattening structure, and the powder coating will be flattened by the double-roller flattening structure. However, the position of the coating extruded by the existing extrusion head is fixed, and the extruded coating is directly accumulated in the middle position of the double-roller flattening structure, which will lead to a decrease in the quality and uniformity of subsequent flattening work. Summary of the invention

[0004] The object of the present invention is to provide a device for extruding powder coatings to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A device for extruding powder coatings, comprising a mounting platform, an extrusion box, a controller, a mounting frame and a plurality of raw material tanks, wherein the extrusion box is arranged on the mounting platform, the controller is arranged on the extrusion box, the plurality of raw material tanks are connected to the extrusion box via the mounting frame, the extrusion box is provided with a feed window which is in communication with the plurality of raw material tanks, the device further comprising a water inlet, a material transport assembly, an extrusion output assembly and a valve and air control assembly, the water inlet being arranged on the extrusion box, the material transport assembly being arranged on the extrusion box for crushing and transporting powder particle raw materials, the extrusion output assembly being arranged on the extrusion box for controlling the output action of the coating in the extrusion box, the valve and air control assembly being arranged on the extrusion box and connected to the extrusion output assembly, the extrusion output assembly controlling the valve and air control assembly to work synchronously when working, and the valve and air control assembly controlling the opening and closing of the raw material tank and the heat preservation and heating work of the extrusion box when working.

[0007] A further technical solution of the present application is as follows: the material transport component includes a driving structure, a material transport augers and a crushing disc. There are two material transport augers and they are symmetrically and movably arranged in the extrusion box. Each of the material transport augers is equidistantly provided with a number of crushing discs, and the crushing discs on two adjacent material transport augers are staggered and interlocked with each other. The driving structure is arranged on the extrusion box and is connected to the two material transport augers, so as to drive the two material transport augers to rotate.

[0008] A further technical solution of the present application is as follows: the driving structure includes a side box, a No. 1 gear and a driving motor, the side box is arranged on the extrusion box, the No. 1 gear is movably arranged in the side box and the number of the No. 1 gears is the same as the number of the material transport auger, the driving motor is arranged on the side box and its output end is coaxially connected to one of the No. 1 gears, and the No. 1 gears are meshed with each other.

[0009] A further technical solution of the present application is as follows: the extrusion output component includes a paint output structure and a transmission structure; the paint output structure is arranged on the extrusion box, and is used to discharge the paint in the extrusion box and control the discharge position of the paint; the extrusion box is provided with a discharge hole connected to the paint output structure; the transmission structure is arranged on the extrusion box and connects the material transport auger, the paint output structure and the valve and air control component; when the material transport auger moves, the paint output structure and the valve and air control component are controlled by the transmission structure to work separately.

[0010] The present application has a further technical solution: the paint output structure includes an extrusion seat, a guide rail and an extrusion head, the extrusion seat is arranged on a mounting table and is connected to a discharge hole, the guide rail is arranged on the extrusion seat, the extrusion heads are in pair and are symmetrically and movably arranged in the guide rail, the extrusion heads are connected to the discharge hole through the extrusion seat, and the extrusion heads are connected to a transmission structure.

[0011] The present application has a further technical solution: the transmission structure includes a drive disk, a push arm and a power output unit. The number of the drive disks is the same as the number of the material transport augers and they are movably arranged on the extrusion box. The drive disk and the material transport augers are coaxially connected. The push arm is movably connected between the eccentric position of the drive disk and the extrusion head. The power output unit is arranged on the extrusion box and connected to the valve and air control component. When the drive disk is working, the valve and air control component is controlled by the power output unit.

[0012] The present application has a further technical solution: the valve and air control assembly includes a heating box, a transmission tube, a piston rod, a matching seat, a valve part, a threaded rod and a clamping shaft, the transmission tube is arranged on the extrusion box, the piston rod is movably arranged in the extrusion box, the valve part is arranged between the raw material tank and the piston rod, the threaded rod is arranged at an end of the piston rod away from the valve part, the extrusion box is provided with a matching seat, the matching seat and the threaded rod are threadedly matched, the clamping shaft is movably arranged on a mounting plate arranged on the extrusion box, a clamping groove matching the clamping shaft is formed in the threaded rod, the heating box is arranged on the extrusion box, a spiral tube is arranged in the heating box, an input hole and an output hole are arranged on the transmission tube, both the input hole and the output hole are provided with a one-way valve, and the input hole and the output hole are respectively connected to the two ends of the spiral tube.

[0013] A further technical solution of the present application is: the valve component includes a sealing plate and a connecting plate, a sealing plate is movably arranged in each raw material tank, the sealing plate and the raw material tank are elastically connected, the sealing plates are connected by a connecting plate, and the connecting plate and the piston rod are movably connected.

[0014] A further technical solution of the present application is as follows: the power output unit includes a positioning plate, a transmission arm, a second gear, a rack, an exhaust piece and a cylinder, each of the driving discs is provided with a positioning plate, the positioning plate is arc-shaped, the middle position of the transmission arm is hinged to the mounting plate, a roller is movably provided at one end of the transmission arm, the roller is located on the moving path of the positioning plate and the two are slidably matched, the second gear is movably provided on the mounting plate and is coaxially connected to the clamping shaft, the rack is movably provided on the mounting plate and meshes with the second gear, the cylinder is provided on the mounting plate and its movable end is connected to the rack, the exhaust piece is provided on the mounting plate and is movably connected to the other end of the transmission arm, the exhaust piece is communicated with the cylinder, and the cylinder is controlled to be extended and retracted by the exhaust piece when the transmission arm moves.

[0015] A further technical solution of the present application is as follows: the vacuum component includes a vacuum box, a vacuum hole, a slide plate, a connecting head and a sliding column. The vacuum box is arranged on the extrusion box, and two vacuum holes are symmetrically arranged on the vacuum box. The vacuum holes are connected to the cylinder. The slide plates are in pair and are symmetrically and movably arranged on the vacuum box. The slide plates are elastically connected to the vacuum box, and each of the slide plates is provided with a connecting head, and a sliding column is provided on the connecting head. The other end of the transmission arm is formed with a guide groove that slides with the sliding column.

[0016] Compared with the prior art, the technical solution provided by the embodiment of the present invention has the following beneficial effects:

[0017] The embodiment of the present invention sets a material transport component, an extrusion output component and a valve and air control component, and utilizes a mechanical linkage structure. In the process of controlling the rotation of the driving motor to rotate the material transport auger, on the one hand, it can control the operation of the extrusion output component. When the extrusion output component is working, it can control the coating extrusion position in the extrusion box, so as to facilitate the subsequent coating flattening work to be more uniform. On the other hand, it can control the operation of the valve and air control component so that the speed at which the raw materials in the raw material tank are input into the extrusion box matches the rotation speed of the driving motor, thereby improving the quality of the coating finally produced and ensuring the heating and heat preservation effect of the coating in the extrusion box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a device for extruding powder coatings in an embodiment of the present invention;

[0019] Figure 2Schematic diagram of the internal structure of an extrusion box in a device for extruding powder coatings in an embodiment of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the driving structure in the device for extruding powder coatings in an embodiment of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the extrusion output assembly in the device for extruding powder coatings in an embodiment of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the transmission structure in the device for extruding powder coatings in an embodiment of the present invention;

[0023] Figure 6 Schematic diagram of the internal structure of the vacuum box in the device for extruding powder coatings in an embodiment of the present invention;

[0024] Figure 7 It is a schematic diagram of the structure of the central control valve control gas component of the equipment for powder coating extrusion in an embodiment of the present invention;

[0025] Figure 8 It is a partial cross-sectional view of a transmission pipe in a device for extruding powder coatings in an embodiment of the present invention.

[0026] Explanation of the symbols in the schematic diagram:

[0027] 1-mounting table, 2-extrusion box, 3-controller, 4-mounting frame, 5-raw material tank, 6-feeding window, 7-material conveying auger, 8-crushing plate, 9-side box, 11-No. 1 gear, 12-driving motor, 13-water inlet, 14-heating box, 15-extrusion seat, 16-extrusion head, 17-driving plate, 18-push arm, 19-mounting plate, 20-transmission arm, 21-vacuum box, 22-clamp shaft, 23-guide groove, 24-positioning plate, 25-rack, 26-No. 2 gear, 27-cylinder, 28-roller, 29-connector, 30-sliding column, 31-slide plate, 32-vacuum hole, 33-transmission pipe, 34-input hole, 35-output hole, 36-matching seat, 37-threaded rod, 38-piston rod, 39-sealing plate, 40-connecting plate. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. The present invention is further described below in conjunction with the embodiments.

[0029] See also Figure 1-Figure 8In one embodiment of the present application, a device for extruding powder coating includes a mounting platform 1, an extrusion box 2, a controller 3, a mounting frame 4 and a plurality of raw material tanks 5, wherein the extrusion box 2 is arranged on the mounting platform 1, the controller 3 is arranged on the extrusion box 2, the plurality of raw material tanks 5 are connected to the extrusion box 2 through the mounting frame 4, the extrusion box 2 is provided with a feed window 6 which is connected to the plurality of raw material tanks 5, the device also includes a water inlet 13, a material transport component, an extrusion output component and a valve control and air control component, the water inlet 13 is arranged on the extrusion box 2, the material transport component is arranged on the extrusion box 2, and is used to crush and transport powder particle raw materials, the extrusion output component is arranged on the extrusion box 2, and is used to control the output action of the coating in the extrusion box 2, the valve control and air control component is arranged on the extrusion box 2 and is connected to the extrusion output component, the extrusion output component controls the valve control and air control component to work synchronously when working, and the valve control and air control component controls the opening and closing of the raw material tank 5 and the insulation and heating work of the extrusion box 2 when working.

[0030] In a specific case of the present embodiment, the material transport assembly includes a driving structure, a material transport auger 7 and a crushing disc 8. The number of the material transport auger 7 is two and they are symmetrically and movably arranged in the extrusion box 2. Each of the material transport auger 7 is equidistantly provided with a plurality of crushing discs 8. The crushing discs 8 on two adjacent material transport augers 7 are staggered and interlocked with each other. The driving structure is arranged on the extrusion box 2 and is connected to the two material transport augers 7, so as to drive the two material transport augers 7 to rotate.

[0031] In another specific case of the present embodiment, the driving structure includes a side box 9, a No. 1 gear 11 and a driving motor 12. The side box 9 is arranged on the extrusion box 2. The No. 1 gear 11 is movably arranged in the side box 9 and the number of the No. 1 gears 11 is the same as the number of the material transport auger 7. The driving motor 12 is arranged on the side box 9 and its output end is coaxially connected to one of the No. 1 gears 11, and the No. 1 gears 11 are meshed with each other.

[0032] It should be noted that the drive motor 12 can be a stepper motor or a servo motor. In the present embodiment, the drive motor 12 is preferably a stepper motor. The stepper motor is arranged on the side box 9 and its output end is connected to one of the first gears 11. As for the specific model parameters of the stepper motor, the best choice can be made according to the actual situation and no specific limitation is made here.

[0033] In actual application, different kinds of powdered granular raw materials are poured into the raw material tank 5, and the driving motor 12 is controlled by the controller 3 to be powered on and rotated, driving one of the No. 1 gears 11 to rotate. When one of the No. 1 gears 11 rotates, the two material conveying augers 7 can be controlled to rotate in opposite directions through the meshing action between the No. 1 gears 11. In this process, the powdered granular raw materials input into the extrusion box 2 are transported, and the crushing disk 8 is driven to rotate. Under the mutual cooperation between the crushing disks 8, the powdered granular raw materials can be crushed. At the same time, water is input into the extrusion box 2 through the water inlet 13. During the rotation of the material conveying augers 7, the extrusion output component can be driven to work, and the extrusion output component can receive the powder coating output from the extrusion box 2 and change the discharge position of the powder coating. At the same time, the valve control and air control components can be controlled to work synchronously. When the valve control and air control components work, the heating and heat preservation work of the coating in the extrusion box 2 is controlled, and the connection between the raw material tank 5 and the extrusion box 2 can be controlled, so that the input speed of the raw material matches the rotation speed of the driving motor 12.

[0034] See also Figure 1-Figure 8 As another preferred embodiment of the present application, the extrusion output component includes a paint output structure and a transmission structure. The paint output structure is arranged on the extrusion box 2, and is used to discharge the paint in the extrusion box 2 and control the discharge position of the paint. The extrusion box 2 is provided with a discharge hole connected to the paint output structure. The transmission structure is arranged on the extrusion box 2 and connects the material transport auger 7 and the paint output structure and the valve and air control component. When the material transport auger 7 moves, the paint output structure and the valve and air control component are controlled by the transmission structure to work separately.

[0035] In a specific case of this embodiment, the coating output structure includes an extrusion seat 15, a guide rail and an extrusion head 16. The extrusion seat 15 is arranged on the mounting table 1 and is connected to the discharge hole. The guide rail is arranged on the extrusion seat 15. The extrusion head 16 is a pair and is symmetrically and movably arranged in the guide rail. The extrusion head 16 is connected to the discharge hole through the extrusion seat 15, and the extrusion head 16 is connected to the transmission structure.

[0036] In another specific case of the present embodiment, the transmission structure includes a drive disk 17, a push arm 18 and a power output unit. The number of the drive disks 17 is the same as the number of the material transporting auger 7 and they are movably arranged on the extrusion box 2. The drive disk 17 and the material transporting auger 7 are coaxially connected. The push arm 18 is movably connected between the eccentric position of the drive disk 17 and the extrusion head 16. The power output unit is arranged on the extrusion box 2 and connected to the valve control and air control component. When the drive disk 17 is working, the valve control and air control component is controlled by the power output unit.

[0037] In the process of driving the driving motor 12 to control the rotation of the material conveying auger 7, the driving disc 17 can be driven to rotate synchronously. In the process of the rotation of the driving disc 17, the extrusion head 16 can be controlled to reciprocate along the extrusion seat 15 under the action of the push arm 18, thereby realizing the adjustment of the spraying position of the extrusion head 16, thereby improving the subsequent flattening treatment of the coating by double rollers. In the process of the rotation of the driving disc 17, the transmission structure can be driven to work. When the transmission structure is working, the control valve and air control component can be controlled to work. When the control valve and air control component is working, the raw materials and coatings in the extrusion box 2 can be kept warm. On the other hand, the opening and closing between the raw material tank 5 and the extrusion box 2 can be controlled, so that the input work of the raw materials and the rotation speed of the driving motor 12 are matched.

[0038] See also Figure 1-Figure 8 As another preferred embodiment of the present application, the valve control and gas control assembly includes a heating box 14, a transmission tube 33, a piston rod 38, a matching seat 36, a valve member, a threaded rod 37 and a clamping shaft 22, wherein the transmission tube 33 is arranged on the extrusion box 2, the piston rod 38 is movably arranged in the extrusion box 2, the valve member is arranged between the raw material tank 5 and the piston rod 38, the threaded rod is arranged at one end of the piston rod 38 away from the valve member, a matching seat 36 is arranged on the extrusion box 2, the matching seat 36 and the threaded rod 37 are threadedly matched, the clamping shaft 22 is movably arranged on the mounting plate 19 arranged on the extrusion box 2, a clamping groove matching the clamping shaft 22 is formed in the threaded rod 37, the heating box 14 is arranged on the extrusion box 2, a spiral tube is arranged in the heating box 14, an input hole 34 and an output hole 35 are arranged on the transmission tube 33, and a one-way valve is arranged in each of the input hole 34 and the output hole 35, and the input hole 34 and the output hole 35 are respectively connected to the two ends of the spiral tube.

[0039] In a specific case of this embodiment, the valve component includes a sealing plate 39 and a connecting plate 40. A sealing plate 39 is movably provided in each of the raw material tanks 5. The sealing plate 39 and the raw material tank 5 are elastically connected. The sealing plates 39 are connected to each other through the connecting plate 40. The connecting plate 40 and the piston rod 38 are movably connected.

[0040] In another specific case of the present embodiment, the power output unit includes a positioning plate 24, a transmission arm 20, a second gear 26, a rack 25, an exhaust member and a cylinder 27. A positioning plate 24 is provided on each of the driving disks 17. The positioning plate 24 is arc-shaped. The middle position of the transmission arm 20 is hinged to the mounting plate 19. A roller 28 is movably provided at one end of the transmission arm 20. The roller 28 is located on the moving path of the positioning plate 24 and the two are slidably matched. The second gear 26 is movably provided on the mounting plate 19 and is coaxially connected to the clamping shaft 22. The rack 25 is movably provided on the mounting plate 19 and meshes with the second gear 26. The cylinder 27 is provided on the mounting plate 19 and its movable end is connected to the rack 25. The exhaust member is provided on the mounting plate 19 and is movably connected to the other end of the transmission arm 20. The exhaust member is communicated with the cylinder 27. When the transmission arm 20 moves, the exhaust member controls the extension and retraction of the cylinder 27.

[0041] It should be supplemented that the vacuum component includes a vacuum box 21, a vacuum hole 32, a slide plate 31, a connector 29 and a slide column 30. The vacuum box 21 is arranged on the extrusion box 2. Two vacuum holes 32 are symmetrically arranged on the vacuum box 21. The vacuum holes 32 are connected to the cylinder 27. The slide plates 31 are a pair and are symmetrically and movably arranged on the vacuum box 21. The slide plates 31 are elastically connected to the vacuum box 21. Each of the slide plates 31 is provided with a connector 29. The connector 29 is provided with a slide column 30. The other end of the transmission arm 20 is formed with a guide groove 23 that slides with the slide column 30.

[0042] It should be specially noted that the present embodiment is not limited to the above-mentioned suction member to control the extension and retraction of the cylinder 27, and a fan or an air pump may be used instead, which are not listed one by one here.

[0043] During the rotation of the driving disc 17, the adjusting plate 24 can be driven to rotate synchronously. Under the interference between the roller 28 and the adjusting plate 24, the transmission arm 20 can be driven to rotate along its hinge, and then under the cooperation between the guide groove 23 and the sliding column 30, the connecting head 29 and the sliding plate 31 can be driven to reciprocate relative to the vacuum box 21, and the cylinder 27 can be controlled to continuously expand and contract, and the rack 25 can be driven to reciprocate. Then, under the meshing action between the rack 25 and the second gear 26, the second gear 26 and the threaded rod 37 can be driven to rotate repeatedly. Under the action of the threads therebetween, the piston rod 38 can be driven to reciprocate along the transmission tube 33. In this process, on the one hand, the connecting plate 40 and the sealing plate 39 can be driven to reciprocate, thereby controlling the connection between the raw material tank 5 and the extrusion box 2, so that the raw material input speed in the raw material tank 5 matches the rotation speed of the drive motor 12, thereby improving the quality of the coating finally produced. On the other hand, the air in the transmission tube 33 can be continuously input into the spiral tube, thereby controlling the hot air flow in the spiral tube to be in a circulating state, thereby improving the insulation effect of the raw material in the extrusion box 2.

[0044] How this application works:

[0045] Different kinds of powdered granular raw materials are poured into the raw material tank 5, and the driving motor 12 is controlled by the controller 3 to be powered on and rotated, driving one of the No. 1 gears 11 to rotate. When one of the No. 1 gears 11 rotates, the two material conveying augers 7 can be controlled to rotate in opposite directions through the meshing action of the No. 1 gears 11. In this process, the powdered granular raw materials input into the extrusion box 2 are transported, and the crushing disk 8 is driven to rotate at the same time. Under the mutual cooperation between the crushing disks 8, the powdered granular raw materials can be crushed. At the same time, water is input into the extrusion box 2 through the water inlet 13. In the process of the driving motor 12 controlling the rotation of the material conveying augers 7, the driving disk 17 can be driven to rotate synchronously. In the process of the driving disk 17 rotating, the extrusion head 16 can be controlled to reciprocate along the extrusion seat 15 under the action of the push arm 18, thereby realizing the adjustment of the spraying position of the extrusion head 16, thereby improving the subsequent flattening process of the coating using double rollers. In the process of the driving disk 17 rotating, the adjustment plate 24 can be driven to rotate synchronously, and the roller 28 Under the interference between the guide groove 23 and the slide column 30, the transmission arm 20 can be driven to rotate along its hinge, and then under the cooperation between the guide groove 23 and the slide column 30, the connecting head 29 and the slide plate 31 can be driven to reciprocate relative to the vacuum box 21, and the cylinder 27 can be controlled to continuously expand and contract, and the rack 25 can be driven to reciprocate, and then under the meshing action between the rack 25 and the second gear 26, the second gear 26 and the threaded rod 37 can be driven to rotate repeatedly, and under the threaded cooperation between the threaded rod 37 and the matching seat 36, the piston rod 38 can be driven to reciprocate along the transmission pipe 33. In this process, on the one hand, the connecting plate 40 and the sealing plate 39 can be driven to reciprocate, and the connection between the raw material tank 5 and the extrusion box 2 is controlled, so that the raw material input speed in the raw material tank 5 matches the rotation speed of the drive motor 12, thereby improving the quality of the coating finally produced, and on the other hand, the air in the transmission pipe 33 can be continuously input into the spiral tube, so as to control the hot air flow in the spiral tube to be in a state of circulating flow, thereby improving the insulation effect of the raw material in the extrusion box 2.

[0046] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

[0047] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for extruding powder coating, comprising a mounting platform, an extrusion box, a controller, a mounting frame and a plurality of raw material tanks, wherein the extrusion box is arranged on the mounting platform, the controller is arranged on the extrusion box, the plurality of raw material tanks are connected to the extrusion box through the mounting frame, and the extrusion box is provided with a feed window connected to the plurality of raw material tanks, characterized in that: The device also includes a water inlet, a material transport component, an extrusion output component, and a valve and air control component. The water inlet is arranged on the extrusion box, the material transport component is arranged on the extrusion box, and is used to crush and transport powder and particle raw materials. The extrusion output component is arranged on the extrusion box, and is used to control the output action of the coating in the extrusion box. The valve and air control component is arranged on the extrusion box and is connected to the extrusion output component. When the extrusion output component is working, the valve and air control component controls the synchronous operation of the valve and air control component. When the valve and air control component is working, it controls the opening and closing of the raw material tank and the heat preservation and heating of the extrusion box. The material transport assembly includes a driving structure, a material transport auger and a crushing disc. The number of the material transport auger is two and they are symmetrically and movably arranged in the extrusion box. Each of the material transport auger is sleeved with a plurality of crushing discs at equal distances. The crushing discs on two adjacent material transport augers are staggered and interlocked with each other. The driving structure is arranged on the extrusion box and is connected to the two material transport augers for driving the two material transport augers to rotate. The driving structure comprises a side box, a No. 1 gear and a driving motor, wherein the side box is arranged on the extrusion box, the No. 1 gear is movably arranged in the side box and the number of the No. 1 gears is the same as the number of the material conveying auger, the driving motor is arranged on the side box and the output end thereof is coaxially connected with one of the No. 1 gears, and the No. 1 gears are meshed with each other; The extrusion output assembly includes a coating output structure and a transmission structure. The coating output structure is arranged on the extrusion box and is used to discharge the coating in the extrusion box and control the coating discharge position. The extrusion box is provided with a discharge hole connected to the coating output structure. The transmission structure is arranged on the extrusion box and connects the material transport auger, the coating output structure and the valve and air control assembly. When the material transport auger moves, the coating output structure and the valve and air control assembly are controlled by the transmission structure to work separately. The coating output structure includes an extrusion seat, a guide rail and an extrusion head, wherein the extrusion seat is arranged on a mounting platform and is connected to a discharge hole, the guide rail is arranged on the extrusion seat, the extrusion head is a pair and is symmetrically and movably arranged in the guide rail, the extrusion head is connected to the discharge hole through the extrusion seat, and the extrusion head is connected to a transmission structure; The transmission structure includes a driving disc, a push arm and a power output unit. The number of the driving discs is the same as the number of the material transporting auger and they are movably arranged on the extrusion box. The driving disc and the material transporting auger are coaxially connected. The push arm is movably connected between the eccentric position of the driving disc and the extrusion head. The power output unit is arranged on the extrusion box and connected to the valve control and air control component. When the driving disc is working, the valve control and air control component is controlled by the power output unit. The valve and air control assembly includes a heating box, a transmission tube, a piston rod, a matching seat, a valve member, a threaded rod and a clamping shaft. The transmission tube is arranged on the extrusion box, the piston rod is movably arranged in the extrusion box, the valve member is arranged between the raw material tank and the piston rod, the threaded rod is arranged at an end of the piston rod away from the valve member, the extrusion box is provided with a matching seat, the matching seat and the threaded rod are threadedly matched, the clamping shaft is movably arranged on a mounting plate arranged on the extrusion box, a clamping groove matching the clamping shaft is formed in the threaded rod, the heating box is arranged on the extrusion box, a spiral tube is arranged in the heating box, an input hole and an output hole are arranged on the transmission tube, a one-way valve is arranged in the input hole and the output hole, and the input hole and the output hole are respectively connected to the two ends of the spiral tube.

2. The device for extruding powder coating according to claim 1, characterized in that: The valve member comprises a sealing plate and a connecting plate. A sealing plate is movably arranged in each raw material tank. The sealing plate and the raw material tank are elastically connected. The sealing plates are connected to each other via a connecting plate. The connecting plate and the piston rod are movably connected.

3. The device for extruding powder coating according to claim 2, characterized in that: The power output unit includes an adjustment plate, a transmission arm, a second gear, a rack, an exhaust member and a cylinder. A adjustment plate is provided on each of the driving disks. The adjustment plate is in an arc shape. The middle position of the transmission arm is hinged to the mounting plate. A roller is movably provided at one end of the transmission arm. The roller is located on the moving path of the adjustment plate and the two are slidably matched. The second gear is movably provided on the mounting plate and is coaxially connected to the card shaft. The rack is movably provided on the mounting plate and meshes with the second gear. The cylinder is provided on the mounting plate and its movable end is connected to the rack. The exhaust member is provided on the mounting plate and is movably connected to the other end of the transmission arm. The exhaust member is communicated with the cylinder. When the transmission arm moves, the exhaust member controls the extension and retraction of the cylinder.

4. The device for extruding powder coating according to claim 3, characterized in that: The vacuum component includes a vacuum box, a vacuum hole, a slide plate, a connecting head and a sliding column. The vacuum box is arranged on the extrusion box. Two vacuum holes are symmetrically arranged on the vacuum box. The vacuum holes are connected to the cylinder. The slide plates are a pair and are symmetrically and movably arranged on the vacuum box. The slide plates are elastically connected to the vacuum box. Each of the slide plates is provided with a connecting head. A sliding column is provided on the connecting head. The other end of the transmission arm is formed with a guide groove that slides with the sliding column.

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