Electromagnetic rod surface layer spraying device

Abstract

The utility model discloses an electromagnetic rod surface layer spraying device, relates to electromagnetic rod surface processing technical field, including material pipe and conveyer belt, the bottom end of material pipe is communicated with a plurality of nozzle, the two conveyer belt is symmetrically arranged inside the outer box, and a plurality of clamping parts are equidistantly arranged between the two conveyer belt. A drying pipe is arranged on one side of the material pipe, and a rotating mechanism is arranged in the outer box. A plurality of clamping parts are arranged between the two conveying belts at equal intervals, the electromagnetic rod can be automatically clamped and fixed, after the electromagnetic rod is driven to move intermittently, the procedures of spraying, drying and discharging can be carried out at the same time, continuous machining can be carried out, the electromagnetic rod does not need to be taken down to be transferred when drying is carried out, and the working efficiency is greatly improved. And therefore, the spraying quality of the electromagnetic rod is ensured.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic rod surface processing technology, specifically an electromagnetic rod surface coating device. Background Technology

[0002] The main material of electromagnetic rods is manganese-zinc ferrite, a soft magnetic ferrite material with a spinel-type structure, made from oxides and salts of iron, manganese, and zinc through ceramic processing. It has high initial permeability. Electromagnetic rods can be used to manufacture electronic components such as magnetic cores, magnetic heads, and antenna rods for inductors, transformers, and filters. Because the main material of electromagnetic rods is manganese-zinc ferrite, they are easily contaminated after prolonged exposure to air or moisture. Therefore, certain measures need to be taken during the production process to prevent contamination and ensure product performance and lifespan. Common protective measures include surface coating, vacuum sealing, and packaging.

[0003] To ensure a uniform distribution of the protective coating on the surface of the electromagnetic rod, most manufacturers use a spraying method to apply the protective material to the battery rod. However, to ensure uniform coating, existing spraying equipment often requires placing the electromagnetic rod at the spraying point, spraying it through the spray head, and then removing the electromagnetic rod for drying. This method involves multiple clamping, fixing, and transfers of the electromagnetic rod during processing, which can easily cause uneven coating on the surface of the electromagnetic rod, thus affecting the production quality of the battery rod.

[0004] Based on this, an electromagnetic rod surface coating device is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide an electromagnetic rod surface coating device to solve the problems of inconvenient continuous production and drying in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An electromagnetic rod surface coating device includes a material pipe and conveyor belts. The bottom end of the material pipe is connected to several nozzles. The input end of the material pipe is connected to the output end of an external feeding component. The material pipe is fixedly mounted at one end of a first mounting frame. The upper end of the first mounting frame is fixedly connected to the output ends of two electric push rods. The electric push rods are fixedly mounted on the upper end of an outer casing. Two conveyor belts are symmetrically arranged inside the outer casing. Several clamping components are evenly spaced between the two conveyor belts. Each clamping component includes symmetrically arranged clamping frames, which are fixed... An inner spline shaft is slidably mounted on one end of an external spline shaft. The inner spline shaft is rotatably mounted in a rotating hole on one side of a connecting block. The outer casing contains a guide assembly for a coaxial clamping frame to clamp and fix the electromagnetic rod. A drying tube is provided on one side of the material tube. The distance between the material tube and the drying tube is equal to the distance between the two connecting blocks on the conveyor belt. The input end of the drying tube is connected to the output end of the hot air supply component. Rotating mechanisms are provided inside the outer casing at positions corresponding to the nozzle and the drying tube to ensure uniform spraying and drying of the electromagnetic plate.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] In one alternative embodiment: the guide assembly includes a push rod, and one end of each external spline shaft is fixedly provided with a push rod. A first return spring is provided between one end of the push rod and one end of the external spline shaft. Guide plates are symmetrically provided on the inner side of the outer casing at positions corresponding to the upper end of the conveyor belt. One end of the guide plate is inclined. The guide plate and one end of the push rod at the upper end of the conveyor belt are at the same height. The connecting block is fixedly connected to the conveyor belt by a fixing rod. Auxiliary support rods are symmetrically provided at the bottom of each connecting block. A first drive roller and a first transmission roller are provided at both ends of the conveyor belt. The rotating shafts at both ends of the first drive roller and the first transmission roller are respectively rotatably disposed in rotating holes on one side of two first retaining plates. One rotating shaft of the first drive roller is fixedly connected to the output end of a first motor. The first motor is fixedly disposed on one side of the outer casing.

[0010] In one alternative embodiment: the rotating mechanism includes a first friction wheel and a second friction wheel; a collection box and a mounting plate are respectively provided below the nozzle and the drying pipe; a scraper is fixedly provided at the bottom of the collection box; the drying pipe is fixedly provided at the other end of the first mounting frame; a second mounting frame is fixedly provided at the bottom of both the collection box and the mounting plate; both ends of the second mounting frame extend to the outside of the outer casing; a second motor is fixedly provided on both sides of the collection box and the mounting plate; a second friction wheel is fixedly provided at the output end of each of the second motors; a first friction wheel is fixedly provided at one end of the external spline shaft corresponding to the position of the second friction wheel; and a linkage component for driving the collection box and the mounting plate to move is provided at the output end of the electric push rod.

[0011] In one alternative embodiment: the linkage component includes a first rack and a third rack. Both sides of the first mounting bracket extend to the outside of the outer casing. Both sides of the first mounting bracket are provided with a first rack and a third rack. Both the first rack and the third rack are meshed with transmission gears. The transmission gears are rotatably disposed inside the fixed bracket. The fixed bracket is fixedly disposed on one side of the outer casing. On the same side, two transmission gears are respectively meshed with a second rack and a fourth rack. The two second racks and the fourth rack are respectively fixedly disposed at the two ends of the second mounting bracket at the bottom of the collection box and the mounting plate.

[0012] In one alternative: several air outlets at the bottom of the drying tube are tapered at one end, and each air outlet is fixedly provided with an isolation mesh plate. The bottom of the drying tube and the top of the mounting plate are symmetrically provided with partitions.

[0013] In one alternative: a placement box is provided at a corresponding position between the two conveyor belts. The placement box is located at the connection between the inclined end and the flat end of the guide plate. A positioning frame is slidably provided inside the placement box. A rotating roller is symmetrically rotated on the positioning frame. A rectangular through hole is provided at the upper end of the placement box corresponding to the position of the rotating roller. Several second return springs are provided between the bottom end of the positioning frame and the bottom end of the placement box. The bottom end of the placement box is fixedly connected to the output ends of two spring telescopic rods. A fixing post is fixedly provided at one end of each spring telescopic rod. The fixing post is fixedly provided at the bottom end of the outer box.

[0014] In one alternative embodiment: a conveyor belt is provided inside the outer casing at a position corresponding to the lower end of one end of the guide plate. A second drive roller and a second transmission roller are respectively provided at both ends of the conveyor belt. The rotating shafts at both ends of the second drive roller and the second transmission roller are respectively rotatably disposed in the rotating holes on one side of two second retaining plates. The second retaining plates are fixedly disposed inside the outer casing. One end of the conveyor belt extends to the outside of the outer casing. The rotating shaft at one end of the second drive roller is fixedly connected to the output end of a third motor. The third motor is fixedly disposed on one side of the second retaining plate.

[0015] In one alternative: rollers are fixedly provided on each of the top rods, and support plates are symmetrically provided inside the outer box at positions corresponding to the first friction wheel at the upper end of the conveyor belt, with the upper end of the support plates closely attached to the outer side of the first friction wheel at the upper end of the conveyor belt.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention facilitates the positioning of the electromagnetic rod by arranging several clamping components at equal intervals between two conveyor belts and by setting a placement box and positioning frame at one end of the conveyor belt. During the movement of the clamping components driven by the conveyor belt, the top rod and guide plate work together to clamp and fix the electromagnetic rod, allowing it to move with the conveyor belt. When the conveyor belt moves the electromagnetic rod below the nozzle and drying tube, the first and second friction wheels work together to facilitate the rotation of the electromagnetic rod, enabling the nozzle and drying tube to uniformly spray and dry it. A conveyor belt below one end of the guide plate facilitates the transport and collection of the sprayed and dried electromagnetic rod. This invention allows for automatic clamping and fixing of the electromagnetic rod, and after intermittent movement of the electromagnetic rod, it can simultaneously perform spraying, drying, and unloading processes, enabling continuous processing. Furthermore, during drying, the electromagnetic rod does not need to be removed for transfer, thus ensuring the spraying quality of the electromagnetic rod. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the outer casing of this utility model.

[0020] Figure 3 This is a schematic diagram of the connecting block structure of this utility model.

[0021] Figure 4 This is a schematic diagram of the positioning frame structure of this utility model.

[0022] Figure 5 This is a schematic diagram of the placement box structure of this utility model.

[0023] Figure 6 This is a schematic diagram of the material tube structure of this utility model.

[0024] Figure 7 This is a schematic diagram of the drying tube structure of this utility model.

[0025] Figure 8 This is a schematic diagram of the installation of the first and third racks of this utility model.

[0026] Figure 9 This is a schematic diagram of the conveyor belt structure of this utility model.

[0027] Figure 10 This is a schematic diagram of the scraper structure of this utility model.

[0028] Figure reference numerals: 11 Nozzle, 12 Material pipe, 13 Outer casing, 14 Conveyor belt, 15 First retaining plate, 16 First motor, 17 Connecting block, 18 External spline shaft, 19 Push rod, 20 Guide plate, 21 First return spring, 22 Clamping frame, 23 Roller, 24 Support plate, 25 First friction wheel, 26 Placement box, 27 Positioning frame, 28 Second return spring, 29 Spring telescopic rod, 30 Collection box, 31 Scraper, 32 Second friction wheel, 33 Second motor, 34 Electric push rod, 35 First rack, 36 Transmission gear, 37 Drying pipe, 38 Mounting plate, 39 Third rack, 40 Conveyor belt, 41 Third motor. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Example

[0030] In one embodiment, such as Figures 1-10 As shown, an electromagnetic rod surface coating device includes a material pipe 12 and a conveyor belt 14. The bottom end of the material pipe 12 is connected to several nozzles 11. The input end of the material pipe 12 is connected to the output end of an external feeding component. The material pipe 12 is fixedly mounted at one end of a first mounting bracket. The upper end of the first mounting bracket is fixedly connected to the output ends of two electric push rods 34, which are fixedly mounted on the upper end of an outer casing 13. Two conveyor belts 14 are symmetrically arranged inside the outer casing 13. Several clamping components are evenly spaced between the two conveyor belts 14. Each clamping component includes symmetrically arranged clamping frames 22, which are fixedly mounted at one end of an external spline shaft 18. An internal spline is slidably mounted on the external spline shaft 18. The inner spline shaft is rotatably mounted in a rotating hole on one side of the connecting block 17. The outer casing 13 is equipped with a guide assembly for the coaxial clamping frame 22 to clamp and fix the electromagnetic rod. A drying tube 37 is provided on one side of the material tube 12. The distance between the material tube 12 and the drying tube 37 is equal to the distance between the two connecting blocks 17 on the conveyor belt 14. The input end of the drying tube 37 is connected to the output end of the hot air supply component. The outer casing 13 is equipped with a rotating mechanism at the corresponding positions of the nozzle 11 and the drying tube 37 to make the electromagnetic plate uniformly sprayed and dried. The rotating mechanism makes it easy for the electromagnetic rod to rotate, so that the nozzle 11 can uniformly spray the electromagnetic rod, and at the same time, it can make it easy for the drying tube 37 to uniformly dry the electromagnetic rod.

[0031] The guide assembly includes a push rod 19. One end of each external spline shaft 18 is fixedly provided with a push rod 19. A first return spring 21 is provided between one end of the push rod 19 and one end of the external spline shaft. A guide plate 20 is symmetrically provided on the inner side of the outer casing 13 at a position corresponding to the upper end of the conveyor belt 14. One end of the guide plate 20 is inclined. The guide plate 20 and the upper end of the push rod 19 of the conveyor belt 14 are at the same height. The connecting block 17 is fixedly connected to the conveyor belt 14 via a fixing rod. Auxiliary support rods are symmetrically provided at the bottom of each connecting block 17. A first drive roller and a first transmission roller are fitted at both ends of the conveyor belt 14. The rotating shafts at both ends of the first drive roller and the first transmission roller are... The first drive roller is fixedly connected to the output end of the first motor 16 by one end of the rotating shaft of the first drive roller 15. The first motor 16 is fixedly mounted on one side of the outer casing 13. When the electromagnetic rod needs to be sprayed, the first motor 16 drives the conveyor belt 14 to rotate intermittently. The distance moved each time is the distance between the two connecting blocks 17. When the conveyor belt 14 moves the clamping frame 22, when one end of the top rod 19 contacts the plane of the guide plate 20, the guide plate 20 guides the top rod 19, so that the two clamping frames 22 clamp and fix the two ends of the electromagnetic rod. Then the conveyor belt 14 can drive the electromagnetic rod to move.

[0032] The rotating mechanism includes a first friction wheel 25 and a second friction wheel 32. A collection box 30 and a mounting plate 38 are respectively provided below the nozzle 11 and the drying tube 37. A scraper 31 is fixedly provided at the bottom of the collection box 30. The drying tube 37 is fixedly provided at the other end of the first mounting frame. A second mounting frame is fixedly provided at the bottom of both the collection box 30 and the mounting plate 38. Both ends of the second mounting frame extend to the outside of the outer box 13. A second motor 33 is fixedly provided on both sides of the collection box 30 and the mounting plate 38. A second friction wheel 32 is fixedly provided at the output end of the second motor 33. A first friction wheel 25 is fixedly provided at one end of the external spline shaft 18 at the position corresponding to the second friction wheel 32. A linkage component for driving the collection box 30 and the mounting plate 38 to move is provided at the output end of the electric push rod 34.

[0033] The linkage assembly includes a first rack 35 and a third rack 39. The first mounting bracket extends to the outside of the outer casing 13 on both sides. A first rack 35 and a third rack 39 are provided on both sides of the first mounting bracket. A transmission gear 36 is meshed on both the first rack 35 and the third rack 39. The transmission gear 36 is rotatably mounted inside a fixed frame. The fixed frame is fixed to one side of the outer casing 13. A second rack and a fourth rack are respectively meshed on the two transmission gears 36 on the same side. The two second racks and the fourth rack are respectively fixed to the collection box 30 and the mounting plate 38. At both ends of the second mounting bracket at the bottom, during use, after the conveyor belt 14 moves the electromagnetic rod to below the nozzle 11, the conveyor belt 14 stops moving. Then, the electric push rod 34 is activated via an external control component. The output end of the electric push rod 34 moves the first mounting bracket, which in turn moves the material pipe 12 and the drying pipe 37, positioning the nozzle 11 above the electromagnetic rod. Simultaneously, the first mounting bracket meshes with the transmission gear 36 via the first rack 35 and the third rack 39, causing the collection box 30 and the mounting plate 38 to move simultaneously, in the opposite direction to the movement of the output end of the electric push rod 34. When the nozzle 11 moves to the working position, both the collection box 30 and the mounting plate 38 move to the working position. At the same time, the first friction wheel 25 and the second friction wheel 32 are in close friction. When spraying is performed, the external feeding component delivers spray material into the material pipe 12. Then, the nozzle 11 sprays the protective material onto the electromagnetic rod. Its second motor 33 drives the second friction wheel 32 to rotate. The second friction wheel 32 is in close friction with the first friction wheel 25, causing the first friction wheel 25 to drive the external spline shaft 18 to rotate. The external spline shaft 18 drives the electromagnetic rod to rotate, thereby making the nozzle 11 spray the electromagnetic rod evenly. During the coating process, the scraper 31 can smooth out thicker areas. After the coating is completed, the output end of the electric push rod 34 drives the nozzle 11 away from the electromagnetic rod. At the same time, the first friction wheel 25 separates from the second friction wheel 32. Then, the conveyor belt 14 drives the electromagnetic rod to move again, so that the coated electromagnetic rod moves to below the drying tube 37, and the uncoated electromagnetic rod moves to below the nozzle 11. The operation is repeated so that the nozzle 11 sprays the electromagnetic rod. The external hot air supply component delivers hot gas into the drying tube 37, and the drying tube 37 discharges the hot gas, thus drying the protective material on the electromagnetic rod.

[0034] The bottom end of the drying tube 37 has several air outlets with one end tapered. Each air outlet end is fixed with an isolation mesh plate. The bottom end of the drying tube 37 and the top end of the mounting plate 38 are symmetrically equipped with partitions. In use, the air outlets are tapered, which expands the working range of the hot air. The isolation mesh plate can reduce the direct blowing of hot air onto the protective material on the electromagnetic rod. The partitions allow the hot air to stay between the drying tube 37 and the mounting plate 38, thereby increasing the drying speed of the electromagnetic rod. The hot air after use is discharged through both ends of the partitions.

[0035] A placement box 26 is provided at a corresponding position between the two conveyor belts 14. The placement box 26 is located at the connection between the inclined end and the flat end of the guide plate 20. A positioning frame 27 is slidably provided inside the placement box 26. A rotating roller is symmetrically rotated on the positioning frame 27. A rectangular through hole is provided at the upper end of the placement box 26 corresponding to the position of the rotating roller. A plurality of second return springs 28 are provided between the bottom end of the positioning frame 27 and the bottom end of the interior of the placement box 26. The bottom end of the placement box 26 is fixedly connected to the output end of two spring telescopic rods 29 respectively. One end of the spring telescopic rod 29 is fixedly provided with a fixing The fixed column is fixedly installed at the bottom of the inner side of the outer box 13. When the clamping frame 22 is needed to clamp and fix the electromagnetic rod, the operator places the electromagnetic rod on the upper end of the placement box 26 and between the two rotating rollers. Then, when the clamping frame 22 clamps and fixes the electromagnetic rod and drives the electromagnetic rod to move, the positioning frame 27 retracts into the placement box 26, and the output end of the spring telescopic rod 29 retracts. When the electromagnetic rod is completely separated from the upper end of the placement box 26, the placement box 26 and the rotating rollers move to the initial position under the action of the spring telescopic rod 29 and the second reset spring 28.

[0036] Inside the outer casing 13, at a position corresponding to the lower end of the guide plate 20, a conveyor belt 40 is provided. The two ends of the conveyor belt 40 are respectively fitted with a second drive roller and a second transmission roller. The rotating shafts at both ends of the second drive roller and the second transmission roller are rotatably disposed in rotating holes on one side of two second retaining plates. The second retaining plates are fixedly disposed inside the outer casing 13. One end of the conveyor belt 40 extends to the outside of the outer casing 13. The rotating shaft at one end of the second drive roller is fixedly connected to the output end of a third motor 41. The third motor 41 is fixedly disposed on one side of the second retaining plate. In use, when the dried electromagnetic rod moves above the conveyor belt 40, one end of the top rod 19 disengages from the guide plate 20. Under the action of the first return spring 21, the clamping frame 22 returns to its initial position, and the clamping frame 22 no longer clamps and fixes the electromagnetic rod. Subsequently, the electromagnetic rod falls onto the upper end of the conveyor belt 40, and the third motor 41 is started. The third motor 41 drives the conveyor belt 40 to rotate, thereby transmitting the electromagnetic rod to the outside of the outer casing 13 for collection. Example

[0037] The difference from Embodiment 1 is that rollers 23 are fixedly provided on the top rods 19, and support plates 24 are symmetrically provided inside the outer box 13 at the position corresponding to the first friction wheel 25 at the upper end of the conveyor belt 14. The upper end of the support plate 24 is in close contact with the outer side of the first friction wheel 25 at the upper end of the conveyor belt 14. In use, when the top rod 19 moves to the upper end of the conveyor belt 14 and the clamping frame 22 clamps the electromagnetic rod, the first friction wheel 25 rolls on the upper end of the support plate 24, which facilitates the support of the upper end of the conveyor belt 14 and reduces the deformation of the conveyor belt 14.

[0038] The above embodiment discloses an electromagnetic rod surface spraying device. When the clamping frame 22 is needed to clamp and fix the electromagnetic rod, the operator places the electromagnetic rod on the upper end of the placement box 26, between two rotating rollers. As the conveyor belt 14 moves the clamping frame 22, one end of the top rod 19 contacts the plane of the guide plate 20, and the guide plate 20 guides the top rod 19. When the clamping frame 22 clamps and fixes the electromagnetic rod and moves it, the positioning frame 27 retracts into the placement box 26, and the output end of the spring telescopic rod 29 retracts. When the electromagnetic rod is completely detached from the upper end of the placement box 26, under the action of the spring telescopic rod 29 and the second return spring 28, the placement box 26 and the rotating rollers move to their initial positions. After the conveyor belt 14 moves the electromagnetic rod to below the spray nozzle 11, the conveyor belt 14 stops moving. Subsequently, the electric push rod 34 is started by an external control component, and the output end of the electric push rod 34... The first mounting bracket moves, causing the material tube 12 and drying tube 37 to move, positioning the nozzle 11 above the electromagnetic rod. Simultaneously, the first mounting bracket meshes with the transmission gear 36 via the first rack 35 and the third rack 39, causing the collection box 30 and mounting plate 38 to move simultaneously, in the opposite direction to the output of the electric push rod 34. When the nozzle 11 moves to the working position, both the collection box 30 and the mounting plate 38 move to the working position. At the same time, the first friction wheel 25 and the second friction wheel 32 are in close friction. During spraying, the external material supply component delivers spray material into the material tube 12. Subsequently, the nozzle 11 sprays the protective material onto the electromagnetic rod. Its second motor 33 drives the second friction wheel 32 to rotate, and the second friction wheel 32 is in close friction with the first friction wheel 25, causing the first friction wheel 25 to drive the external spline shaft 18 to rotate. The external spline shaft 18 drives the electromagnetic rod to rotate, thereby enabling the nozzle 11 to spray the electromagnetic rod evenly. After the spraying is completed, the output end of the electric push rod 34 drives the nozzle 11 away from the electromagnetic rod. At the same time, the first friction wheel 25 separates from the second friction wheel 32. Then, the conveyor belt 14 drives the electromagnetic rod to move again, so that the sprayed electromagnetic rod moves to the bottom of the drying tube 37, and the unsprayed electromagnetic rod moves to the bottom of the nozzle 11. The operation is repeated so that the nozzle 11 sprays the electromagnetic rod. The external hot air supply component delivers hot gas into the drying tube 37, and the drying tube 37 discharges the hot gas, so that the protective material on the electromagnetic rod is dried. After the dried electromagnetic rod moves to the top of the conveyor belt 40, one end of the push rod 19 disengages from the guide plate 20. Under the action of the first return spring 21, the clamp 22 returns to the initial position. The clamp 22 no longer clamps and fixes the electromagnetic rod. Then the electromagnetic rod falls to the top of the conveyor belt 40, and the third motor 41 is started. The third motor 41 drives the conveyor belt 40 to rotate, thereby transferring the electromagnetic rod to the outside of the outer box 13 for collection.

[0039] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An electromagnetic rod surface coating device, comprising a material pipe (12) and a conveyor belt (14), wherein the bottom end of the material pipe (12) is connected to a plurality of nozzles (11), the input end of the material pipe (12) is connected to the output end of an external feeding component, the material pipe (12) is fixedly mounted at one end of a first mounting frame, the upper end of the first mounting frame is fixedly connected to the output ends of two electric push rods (34) respectively, the electric push rods (34) are fixedly mounted on the upper end of an outer casing (13), and the two conveyor belts (14) are symmetrically arranged inside the outer casing (13), characterized in that, Several clamping components are provided at equal intervals between the two conveyor belts (14). The clamping components include clamping frames (22) arranged symmetrically. The clamping frames (22) are fixedly installed at one end of the outer spline shaft (18). An inner spline shaft is slidably installed on the outer spline shaft (18). The inner spline shaft is rotatably installed in the rotating hole on one side of the connecting block (17). The outer box (13) is provided with a guide assembly for clamping and fixing the electromagnetic rod with the coaxial clamping frame (22). A drying tube (37) is provided on one side of the material tube (12). The distance between the material tube (12) and the drying tube (37) is equal to the distance between the two connecting blocks (17) on the conveyor belt (14). The input end of the drying tube (37) is connected to the output end of the hot air supply component. The outer box (13) is provided with a rotating mechanism at the corresponding positions of the nozzle (11) and the drying tube (37) to make the electromagnetic plate uniformly sprayed and dried.

2. The electromagnetic rod surface spraying device according to claim 1, characterized in that, The guide assembly includes a top rod (19), and a top rod (19) is fixedly provided at one end of the external spline shaft (18). A first return spring (21) is provided between one end of the top rod (19) and one end of the external spline shaft. A guide plate (20) is symmetrically provided on the inner side of the outer box (13) at the position corresponding to the upper end of the conveyor belt (14). One end of the guide plate (20) is inclined. The guide plate (20) and one end of the top rod (19) at the upper end of the conveyor belt (14) are at the same height. The connecting block (17) is fixedly connected to the conveyor belt (14) through a fixing rod. Auxiliary support rods are symmetrically provided at the bottom end of the connecting block (17). A first drive roller and a first transmission roller are provided at both ends of the conveyor belt (14). The rotating shafts at both ends of the first drive roller and the first transmission roller are respectively rotatably provided in the rotating holes on one side of the two first retaining plates (15). The rotating shaft at one end of the first drive roller is fixedly connected to the output end of the first motor (16). The first motor (16) is fixedly provided on one side of the outer box (13).

3. The electromagnetic rod surface spraying device according to claim 2, characterized in that, The rotating mechanism includes a first friction wheel (25) and a second friction wheel (32). A collection box (30) and a mounting plate (38) are respectively provided below the nozzle (11) and the drying tube (37). A scraper (31) is fixedly provided at the bottom of the collection box (30). The drying tube (37) is fixedly provided at the other end of the first mounting frame. A second mounting frame is fixedly provided at the bottom of both the collection box (30) and the mounting plate (38). Both ends of the second mounting frame extend to the outside of the outer box (13). A second motor (33) is fixedly provided on both sides of the collection box (30) and the mounting plate (38). A second friction wheel (32) is fixedly provided at the output end of the second motor (33). A first friction wheel (25) is fixedly provided at one end of the external spline shaft (18) corresponding to the position of the second friction wheel (32). A linkage component for driving the collection box (30) and the mounting plate (38) to move is provided at the output end of the electric push rod (34).

4. The electromagnetic rod surface spraying device according to claim 3, characterized in that, The linkage component includes a first rack (35) and a third rack (39). Both sides of the first mounting frame extend to the outside of the outer box (13). Both sides of the first mounting frame are provided with a first rack (35) and a third rack (39). Both the first rack (35) and the third rack (39) are meshed with transmission gears (36). The transmission gears (36) are rotatably located inside the fixed frame. The fixed frame is fixedly located on one side of the outer box (13). The two transmission gears (36) on the same side are respectively meshed with a second rack and a fourth rack. The two second racks and the fourth rack are respectively fixedly located at the two ends of the second mounting frame at the bottom of the collection box (30) and the mounting plate (38).

5. The electromagnetic rod surface spraying device according to claim 4, characterized in that, The bottom end of the drying tube (37) has several air outlets with one end set in a conical shape. Each air outlet end is fixedly provided with an isolation mesh plate. The bottom end of the drying tube (37) and the top end of the mounting plate (38) are symmetrically provided with partitions.

6. The electromagnetic rod surface spraying device according to claim 2, characterized in that, A placement box (26) is provided at a corresponding position between the two conveyor belts (14). The placement box (26) is located at the connection between the inclined end and the flat end of the guide plate (20). A positioning frame (27) is slidably provided inside the placement box (26). A rotating roller is symmetrically rotated on the positioning frame (27). A rectangular through hole is provided at the upper end of the placement box (26) corresponding to the position of the rotating roller. Several second reset springs (28) are provided between the bottom end of the positioning frame (27) and the bottom end of the placement box (26). The bottom end of the placement box (26) is fixedly connected to the output end of two spring telescopic rods (29). A fixing post is fixedly provided at one end of the spring telescopic rod (29). The fixing post is fixedly provided at the bottom end of the outer box (13).

7. The electromagnetic rod surface spraying device according to claim 2, characterized in that, Inside the outer casing (13), a conveyor belt (40) is provided at a position corresponding to one end of the guide plate (20). The two ends of the conveyor belt (40) are respectively equipped with a second drive roller and a second transmission roller. The rotating shafts at both ends of the second drive roller and the second transmission roller are respectively rotatably disposed in the rotating holes on one side of the two second retaining plates. The second retaining plates are fixedly disposed inside the outer casing (13). One end of the conveyor belt (40) extends to the outside of the outer casing (13). The rotating shaft at one end of the second drive roller is fixedly connected to the output end of the third motor (41). The third motor (41) is fixedly disposed on one side of the second retaining plate.

8. The electromagnetic rod surface spraying device according to claim 2, characterized in that, Rollers (23) are fixedly provided on the top rod (19). Support plates (24) are symmetrically provided inside the outer box (13) at the position corresponding to the first friction wheel (25) at the upper end of the conveyor belt (14). The upper end of the support plate (24) is in close contact with the outer side of the first friction wheel (25) at the upper end of the conveyor belt (14).

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