Surface spraying equipment for ceramic filter

Abstract

The invention discloses surface spraying equipment of a ceramic filter, and belongs to the technical field of spraying equipment.The surface spraying equipment of the ceramic filter comprises a spraying box body, spraying machines are installed at the centers of the two sides of the spraying box body, and spraying heads installed in the spraying machines are fixedly connected with the spraying box body in a penetrating mode; the two ends of the spraying box body are rotationally connected with door plates through hinges, a plurality of fixing assemblies are arranged in the spraying box body, and the penetrating end of the second servo motor is fixedly connected with a first gear. By the adoption of the fixing assembly, the two faces of the ceramic filter can be sprayed at the same time, the production efficiency is remarkably improved, the spraying time is shortened, the use frequency of equipment and the complexity of manual operation are reduced through one-time spraying of the two faces, the cost is saved, meanwhile, the spraying process is more stable, and the spraying efficiency is improved. And the influence of manual intervention on the spraying quality is reduced, and the consistency of spraying every time is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of spraying equipment, and in particular relates to a surface spraying equipment for a ceramic filter. Background Art

[0002] Ceramic filters are made of lead zirconate titanate ceramic material. This ceramic material is made into sheets and coated with silver on both sides as electrodes. After DC high-voltage polarization, it has a piezoelectric effect and plays a filtering role. It has the characteristics of stability and good anti-interference performance. It is widely used in various electronic products such as televisions, video recorders, and radios as frequency selection components. It has the advantages of stable performance, no need for adjustment, and low price. It has replaced the traditional LC filter network. With the rapid development of electronic technology and communication technology, the performance requirements of ceramic filters are constantly improving. High-frequency and high-power applications have put forward higher requirements on the stability, durability and electrical performance of the filter. The application of spraying equipment can effectively improve the performance of ceramic filters and meet the needs of emerging technologies.

[0003] Existing spraying equipment often adopts the form of a robotic arm. By placing the ceramic filter on the internal surface of the spraying equipment, the surface of the ceramic filter is gradually sprayed by the robotic arm. When the robotic arm is spraying, the coating thickness will be uneven due to the uneven distance between the nozzle and the surface of the ceramic filter, or the change of the spraying angle. This will affect the performance of the coating and the overall effect of the filter. In addition, after spraying one side of the ceramic filter, the ceramic filter needs to be flipped over and the other side of the ceramic filter needs to be sprayed. Flipping the ceramic filter requires additional time and steps. This process not only increases the total production cycle, but also affects the overall production efficiency. At the same time, during the flipping process, the surface of the ceramic filter may contact other surfaces, causing the coating to be scratched or damaged. Especially when the sprayed coating has not been completely cured, the risk will be greater. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a surface spraying device for a ceramic filter.

[0005] The technical solution adopted to solve the above technical problems is: a surface spraying device for a ceramic filter, comprising a spraying box, a spraying machine is installed at the center of both sides of the spraying box, a nozzle installed in the spraying machine is fixedly connected to the spraying box through, door panels are rotatably connected to both ends of the spraying box through hinges, and a plurality of fixed components are arranged inside the spraying box;

[0006] The fixed component includes a fixed box body, the interior of the fixed box body is a hollow structure, and a partition is fixedly connected to the interior of the fixed box body. A first servo motor and a second servo motor are installed between the fixed box body and the partition. The output ends of the first servo motor and the second servo motor are rotatably connected to the partition, and the through end of the second servo motor is fixedly connected to the first gear.

[0007] Through the above technical solution, both sides of the ceramic filter can be sprayed at the same time, which can greatly reduce the time required for spraying. Compared with the method of spraying one side at a time, the overall production cycle is significantly shortened, thereby improving production efficiency.

[0008] Furthermore, two support plates are fixedly connected inside the fixed box, and the two support plates are respectively penetrated and rotatably connected with a connecting rod and a worm gear, one end of the connecting rod is fixedly connected to a second gear, and the second gear is meshed with the first gear for transmission, the other end of the connecting rod penetrates the fixed box, and a gap is provided between the other end of the connecting rod and the fixed box, one end of the worm gear is fixedly connected to the through end of the first servo motor, and the other end of the worm gear is rotatably connected to the inner wall of the fixed box.

[0009] Through the above technical solution, it can be ensured that the two sides of the ceramic filter are processed under the same spraying conditions, reducing the risk of uneven coating caused by environmental changes or equipment adjustments, improving the coating quality, and the consistency and repeatability of the coating on both sides are higher, ensuring the uniformity of the product in performance and appearance.

[0010] Furthermore, two fixed plates are fixedly connected to one side of the fixed box, a fixed rod is rotatably connected between the other ends of the two fixed plates, a worm wheel and a third gear are passed through and fixedly connected to the fixed rod, the worm wheel is transmission-connected to the worm, the third gear is transmission-connected to a gear sleeve, the connecting rod is slidingly connected to the inner wall of the gear sleeve, and the gear sleeve is located between the gap between the connecting rod and the fixed box.

[0011] Through the above technical solution, multiple filters can be sprayed at the same time, which greatly improves the production speed and shortens the overall production cycle. Processing multiple filters at the same time can reduce the spraying time of each filter and improve the overall operation efficiency. Moreover, the simultaneous spraying of multiple filters can be carried out under the same environmental conditions and spraying parameters to ensure the uniformity and consistency of the coating and reduce the uneven coating caused by operational differences.

[0012] Furthermore, the connecting rod is fixedly connected to a rotating head at one end away from the second gear, and the interior of the rotating head is a hollow structure. The rotating head is rotatably connected to a fixed box, and a double screw is rotatably connected to the interior of the rotating head. The double screw passes through and is fixedly connected to a fourth gear, and the fourth gear is transmission-connected to a gear sleeve. The double screw passes through threaded connections with two splints, and the splints are arranged in an L-shaped structure. A plurality of anti-slip pads are provided on one side of the other end of the splint, and the anti-slip pads are made of rubber anti-slip material.

[0013] Through the above technical solution, the ceramic filter is self-rotating and sprayed in a clamped state, which can improve the adhesion between the coating and the ceramic surface, enhance the durability and reliability of the coating, and the fixing component can pre-treat the ceramic surface before spraying to ensure that the coating is more firmly bonded to the substrate during spraying.

[0014] Furthermore, two slots are provided on the side of the rotating head away from the fixed box body, the end of the splint away from the double screw is located in the slot of the rotating head, and the splint is slidably connected to the rotating head, the rotating head limits the splint, and a plurality of accordion covers are arranged in the slot of the rotating head, the accordion covers are made of deformable rubber material, one end of the accordion cover is fixedly connected to the splint, and the other end of the accordion cover is fixedly connected to the rotating head.

[0015] Through the above technical solution, the integrated design of the fixed components and the spraying movement makes the equipment operation easier and reduces the learning cost of the operator. In addition, the fixed components can be quickly adjusted to adapt to ceramic filters of different sizes and shapes, thereby improving the flexibility and applicability of the equipment.

[0016] Furthermore, a slide groove is provided on the bottom end surface of the interior of the spray box, a threaded rod is arranged inside the slide groove, the threaded rod is rotatably connected to the spray box, a first motor is installed on an outer wall of the spray box, the output end of the first motor is rotatably connected to the spray box, the through end of the first motor is fixedly connected to the threaded rod, the threaded rod is threadedly connected with a connecting block, the connecting block is located in the slide groove, and the spray box limits the connecting block.

[0017] Through the above technical solution, the combined movement of revolution and rotation can ensure that the silver spray is evenly distributed on the two surfaces of the ceramic filter, reducing the unsprayed area and ensuring that every corner is fully covered. Through this movement mode, the blind spots caused by static or single-direction spraying can be effectively avoided during the spraying process, thereby improving the coating quality.

[0018] Furthermore, a fixing frame is fixedly connected to the top of the connecting block, a turntable is rotatably connected to the center of the top surface of the fixing frame, a plurality of pulleys are installed at the bottom of the turntable, the pulleys are rollingly connected to the fixing frame, two second motors are installed on both sides of the bottom surface of the turntable, an output end of the second motor is fixedly connected to one of the pulleys, and the fixing component is installed and fixed on the top surface of the turntable.

[0019] Through the above technical solution, spraying on two surfaces at the same time can improve the bonding strength between the silver layer and the ceramic substrate, ensure that the coating is not easy to fall off, and increase the service life of the filter. In addition, the clamping and movement before spraying help to clean and optimize the ceramic surface state, making the silver layer easier to adhere.

[0020] The beneficial effects of the present invention are as follows: (1) The present invention drives the worm to rotate by operating the first servo motor, so that the worm wheel rotates, and under the action of the fixed rod, the third gear rotates synchronously, thereby driving the toothed tube sleeve on the connecting rod to slide along its linear direction. When the toothed tube sleeve moves, it contacts the fourth gear and drives it to rotate, so that the double screws rotate synchronously, and then the two clamps move towards each other to clamp and fix the ceramic filter. During the spraying process, the contact area between the ceramic surface and the spraying material is increased, the adhesion between the coating and the ceramic substrate is enhanced, and the durability of the coating during use is improved; (2) The present invention operates the first motor and the second servo motor at the same time. The first motor drives the threaded rod to rotate, so that the connecting block and its top component are moved along the linear direction of the slide groove. Move, at the same time, the second servo motor drives the first gear to rotate, so that the second gear rotates at the same time, thereby driving the connecting rod to rotate, and then the rotary head and its components rotate at the same time, and when the rotary head rotates, the fourth gear inside the rotary head rotates along the inner groove of the tooth tube sleeve, and the second motor at the bottom of the turntable drives the pulley to rotate, so that the turntable rotates, forcing the ceramic filter to rotate while revolving. When the turntable passes the nozzle, the sprayers on both sides of the spray box spray both sides of the ceramic filter at the same time. The combination of rotation and revolution can effectively reduce bubbles, sagging or other defects that may occur during the spraying process, improve the overall quality of the coating, and at the same time, speed up the spraying speed and reduce the drying time of the coating, thereby improving the overall production efficiency, which is suitable for large-scale production. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention from a first viewing angle;

[0022] Figure 2 is a schematic diagram of the structure of the present invention from a second viewing angle;

[0023] Figure 3 It is a schematic diagram of the internal structure of the spray box of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the connection between the turntable and the fixed component of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the connection between the connection block and the fixing frame of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the fixing assembly of the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the interior of the fixed box from a first viewing angle of the present invention;

[0028] Figure 8 It is a second viewing angle structural schematic diagram of the interior of the fixed box of the present invention.

[0029] 1. Spray box; 2. Spray machine; 3. Door panel; 4. First motor; 5. Slide; 6. Threaded rod; 7. Spray head; 8. Fixed frame; 9. Turntable; 10. Fixed assembly; 11. Connecting block; 12. Pulley; 13. Second motor; 14. Fixed box; 15. Rotating head; 16. Organ cover; 17. Clamp; 18. Anti-slip pad; 19. First servo motor; 20. Second servo motor; 21. Partition; 22. First gear; 23. Second gear; 24. Support plate; 25. Worm; 26. Connecting rod; 27. Tooth sleeve; 28. Fixed plate; 29. ​​Worm wheel; 30. Third gear; 31. Fixed rod; 32. Double screw; 33. Fourth gear. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] like Figure 1-Figure 4The surface spraying equipment of a ceramic filter of the present embodiment includes a spraying box 1, which can effectively prevent external dust and pollutants from entering the spraying area, thereby reducing pollution during the spraying process and improving the coating quality. The closed spraying environment can reduce the contact of the fire source with the spraying material, reduce the risk of fire, and improve the safety of the operation. In addition, the spraying material can minimize the scattering, ensuring that most of the spraying material is effectively attached to the surface of the ceramic filter. A slide groove 5 is provided on the bottom surface of the inner part of the spraying box 1, and a threaded rod 6 is provided inside the slide groove 5. The threaded rod 6 and the spraying box The spray box 1 is rotatably connected, and the outer wall of the spray box 1 is equipped with a first motor 4, which can spray both sides of the ceramic filter at the same time, which can greatly reduce the time required for spraying. Compared with the method of spraying one surface at a time, the overall production cycle is significantly shortened, thereby improving the production efficiency. The output end of the first motor 4 is rotatably connected to the spray box 1, and the through end of the first motor 4 is fixedly connected to the threaded rod 6. The threaded rod 6 is threadedly connected with a connecting block 11, and the top of the connecting block 11 is fixedly connected with a fixing frame 8. The center of the top surface of the fixing frame 8 is rotatably connected with a turntable 9, which can ensure that the two sides of the ceramic filter Each surface is processed under the same spraying conditions, reducing the risk of uneven coating caused by environmental changes or equipment adjustments, improving the coating quality, and the consistency and repeatability of the coating on both sides are higher, ensuring the uniformity of the product in performance and appearance. A plurality of pulleys 12 are installed at the bottom of the turntable 9, and the pulley 12 is rollingly connected to the fixed frame 8. Two second motors 13 are installed on both sides of the bottom surface of the turntable 9, and the output end of the second motor 13 is fixedly connected to one of the pulleys 12. The fixing component 10 is fixedly installed on the top surface of the turntable 9, and the connecting block 11 is located in the slide groove 5. , and the spray box 1 limits the connection block 11, a spray machine 2 is installed at the center of both sides of the spray box 1, a nozzle 7 installed in the spray machine 2 is fixedly connected to the spray box 1, and the two ends of the spray box 1 are rotatably connected with door panels 3 through hinges. A plurality of fixed components 10 are arranged inside the spray box 1. The integrated design of the fixed component 10 and the spraying movement makes the equipment operation easier and reduces the learning cost of the operator. In addition, the fixed component 10 can be quickly adjusted to adapt to ceramic filters of different sizes and shapes, thereby improving the flexibility and application scope of the equipment;

[0032] like Figure 4-Figure 8As shown, the fixing assembly 10 includes a fixing box 14, and two supporting plates 24 are fixedly connected inside the fixing box 14. The two supporting plates 24 are respectively penetrated and rotatably connected with a connecting rod 26 and a worm 25. The connecting rod 26 is fixedly connected to a rotating head 15 at one end away from the second gear 23. The rotating head 15 has two notches on the side away from the fixing box 14. The end of the clamping plate 17 away from the double screw 32 is located in the notch of the rotating head 15. Multiple filters can be sprayed at the same time, which greatly improves the production speed and shortens the overall production cycle. Processing multiple filters at the same time can reduce the spraying time of each filter and improve the overall operation efficiency. In addition, the spraying of multiple filters at the same time can be carried out under the same environmental conditions and spraying parameters to ensure the uniformity and The consistency is improved to reduce the uneven coating caused by operational differences, and the splint 17 is slidably connected to the rotating head 15, and the rotating head 15 limits the splint 17. A plurality of accordion covers 16 are arranged in the notch of the rotating head 15. When the splint 17 moves, the accordion cover 16 shrinks to prevent the paint from entering the rotating head 15 during the spraying process and damaging the components inside the rotating head 15. The accordion cover 16 is made of rubber deformable material, one end of the accordion cover 16 is fixedly connected to the splint 17, and the other end of the accordion cover 16 is fixedly connected to the rotating head 15. Spraying on two surfaces at the same time can improve the bonding force between the silver layer and the ceramic substrate, ensure that the coating is not easy to fall off, and improve the service life of the filter. In addition, the clamping and movement before spraying help to clean and optimize the surface state of the ceramic, so that the silver layer The ceramic filter is sprayed in a self-rotating manner in a clamped state, which can improve the adhesion between the coating and the ceramic surface, enhance the durability and reliability of the coating, and the fixed component 10 can pre-treat the ceramic surface before spraying to ensure that the coating is more firmly combined with the substrate during spraying. The rotary head 15 is rotatably connected to the fixed box 14, and the rotary head 15 is rotatably connected to the inside of the rotary head 15. The double screw 32 is fixedly connected through the fourth gear 33, and the fourth gear 33 is transmission-connected to the gear sleeve 27. The combined movement of revolution and rotation can ensure that the silver spray is evenly distributed on the two surfaces of the ceramic filter, reduce the unsprayed area, and ensure that every corner can be fully covered. Through this movement, the sprayed In the process, the blind spots caused by static or single-direction spraying can be effectively avoided, and the coating quality can be improved. The double screw 32 is threadedly connected with two clamps 17, and the clamps 17 are arranged in an L-shaped structure. A plurality of anti-skid pads 18 are arranged on one side of the other end of the clamps 17. The anti-skid pads 18 are made of rubber anti-skid material. The rubber anti-skid material can effectively increase the friction between the clamps 17 and the surface of the ceramic filter to prevent sliding or displacement during the spraying process, and ensure that the workpiece remains stable during spraying. The rubber material is relatively soft and can effectively reduce scratches and damages to the surface of the ceramic filter, especially during clamping and handling. In addition, the rubber material generally has good chemical resistance and can resist solvents and chemicals used in the spraying process, thereby extending the service life of the clamps 17.Can minimize material waste, thus reducing production costs;

[0033] like Figure 7-Figure 8 As shown, one end of the connecting rod 26 is fixedly connected to the second gear 23, the second gear 23 is meshed with the first gear 22 for transmission, the other end of the connecting rod 26 penetrates the fixed box 14, and a gap is set between the other end of the connecting rod 26 and the fixed box 14, one side of the fixed box 14 is fixedly connected to two fixed plates 28, the other ends of the two fixed plates 28 are rotatably connected with a fixed rod 31, the fixed rod 31 penetrates and is fixedly connected with a worm wheel 29 and a third gear 30, the worm wheel 29 is transmission-connected to the worm 25, the third gear 30 is transmission-connected to the toothed sleeve 27, and the connecting rod 26 slides on the inner wall of the toothed sleeve 27 The toothed sleeve 27 is located between the connecting rod 26 and the gap between the fixed housing 14, one end of the worm 25 is fixedly connected to the through end of the first servo motor 19, and the other end of the worm 25 is rotatably connected to the inner wall of the fixed housing 14, the interior of the fixed housing 14 is a hollow structure, and a partition 21 is fixedly connected to the interior of the fixed housing 14, a first servo motor 19 and a second servo motor 20 are installed between the fixed housing 14 and the partition 21, the output ends of the first servo motor 19 and the second servo motor 20 are rotatably connected to the partition 21, and a first gear 22 is fixedly connected to the through end of the second servo motor 20.

[0034] The working principle of this embodiment is as follows: open the door panel 3, place the ceramic filter between the two clamping plates 17, and then the first servo motor 19 is operated to drive the worm 25 to rotate, so that the worm wheel 29 rotates, and under the action of the fixing rod 31, the third gear 30 rotates synchronously, thereby driving the toothed tube sleeve 27 to slide on the connecting rod 26 along its linear direction, and when the toothed tube sleeve 27 moves, it contacts the fourth gear 33 and drives it to rotate, so that the double screw 32 rotates synchronously, and then the two clamping plates 17 move towards each other to clamp and fix the ceramic filter. By repeating the above operation steps, the ceramic filters can be placed into the spray box 1 one by one;

[0035] After the ceramic filter is placed in, the door panel 3 is closed. At this time, the first motor 4 and the second servo motor 20 are running at the same time. The first motor 4 drives the threaded rod 6 to rotate, so that the connecting block 11 and its top component move along the linear direction of the slide groove 5. At the same time, the second servo motor 20 drives the first gear 22 to rotate, so that the second gear 23 rotates at the same time, thereby driving the connecting rod 26 to rotate, and then the rotating head 15 and its components rotate at the same time. When the rotating head 15 rotates, the fourth gear 33 inside the rotating head 15 rotates along the inner groove of the toothed sleeve 27, and the turntable The second motor 13 at the bottom of 9 drives the pulley 12 to rotate, thereby rotating the turntable 9, forcing the ceramic filter to rotate while revolving. When the turntable 9 passes through the nozzle 7, the sprayers 2 on both sides of the inside of the spray box 1 simultaneously spray silver on both sides of the ceramic filter, which can ensure that the silver spray material is evenly distributed on the surface of the ceramic filter, avoid uneven coating caused by static spraying, and improve the performance and service life of the filter. After the spraying is completed, the staff can open the door panel 3 at the other end of the spray box 1 to take out the ceramic filter after the spraying is completed.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A surface spraying device for a ceramic filter, comprising a spraying box (1), characterized in that: A spraying machine (2) is installed at the center of both sides of the spraying box (1); a spray head (7) installed in the spraying machine (2) is fixedly connected to the spraying box (1); door panels (3) are rotatably connected to both ends of the spraying box (1) via hinges; and a plurality of fixed components (10) are arranged inside the spraying box (1); The fixed assembly (10) comprises a fixed housing (14), the interior of the fixed housing (14) is a hollow structure, and a partition (21) is fixedly connected to the interior of the fixed housing (14), a first servo motor (19) and a second servo motor (20) are installed between the fixed housing (14) and the partition (21), the output ends of the first servo motor (19) and the second servo motor (20) are rotatably connected to the partition (21), and the through end of the second servo motor (20) is fixedly connected to a first gear (22).

2. The surface spraying equipment of a ceramic filter according to claim 1, characterized in that: Two support plates (24) are fixedly connected inside the fixed housing (14), and the two support plates (24) are respectively penetrated by a connecting rod (26) and a worm (25) for rotational connection. One end of the connecting rod (26) is fixedly connected to a second gear (23), and the second gear (23) is meshed with the first gear (22) for transmission. The other end of the connecting rod (26) penetrates the fixed housing (14), and a gap is provided between the other end of the connecting rod (26) and the fixed housing (14). One end of the worm (25) is fixedly connected to the penetration end of the first servo motor (19), and the other end of the worm (25) is rotationally connected to the inner wall of the fixed housing (14).

3. The surface spraying equipment of a ceramic filter according to claim 2, characterized in that: Two fixed plates (28) are fixedly connected to one side of the fixed housing (14); a fixed rod (31) is rotatably connected between the other ends of the two fixed plates (28); a worm wheel (29) and a third gear (30) are fixedly connected through the fixed rod (31); the worm wheel (29) is transmission-connected to the worm (25); the third gear (30) is transmission-connected to a toothed sleeve (27); the connecting rod (26) is slidably connected to the inner wall of the toothed sleeve (27); and the toothed sleeve (27) is located between the gap between the connecting rod (26) and the fixed housing (14).

4. The surface spraying equipment of a ceramic filter according to claim 3, characterized in that: The end of the connecting rod (26) away from the second gear (23) is fixedly connected to a rotating head (15), the interior of the rotating head (15) is arranged in a hollow structure, the rotating head (15) is rotatably connected to the fixed box (14), the interior of the rotating head (15) is rotatably connected to a double screw (32), the double screw (32) penetrates and is fixedly connected to a fourth gear (33), the fourth gear (33) is transmission-connected to the gear sleeve (27), the double screw (32) penetrates and is threadedly connected to two clamping plates (17), the clamping plates (17) are arranged in an L-shaped structure, and a plurality of anti-skid pads (18) are arranged on one side of the other end of the clamping plate (17), and the anti-skid pads (18) are made of rubber anti-skid material.

5. The surface spraying equipment of a ceramic filter according to claim 4, characterized in that: The rotating head (15) is provided with two notches on one side away from the fixed box (14); one end of the splint (17) away from the double screw (32) is located in the notch of the rotating head (15); the splint (17) is slidably connected to the rotating head (15); the rotating head (15) limits the splint (17); a plurality of accordion covers (16) are provided in the notch of the rotating head (15); the accordion covers (16) are made of deformable rubber material; one end of the accordion covers (16) is fixedly connected to the splint (17); and the other end of the accordion covers (16) is fixedly connected to the rotating head (15).

6. The surface spraying equipment of a ceramic filter according to claim 1, characterized in that: The spray box (1) is provided with a slide groove (5) on the inner bottom surface, and a threaded rod (6) is arranged inside the slide groove (5), and the threaded rod (6) is rotatably connected to the spray box (1). A first motor (4) is installed on an outer wall of the spray box (1), and the output end of the first motor (4) is rotatably connected to the spray box (1), and the through end of the first motor (4) is fixedly connected to the threaded rod (6), and the threaded rod (6) is threadedly connected to a connecting block (11), and the connecting block (11) is located in the slide groove (5), and the spray box (1) limits the connecting block (11).

7. The surface spraying equipment of a ceramic filter according to claim 6, characterized in that: The top of the connecting block (11) is fixedly connected to a fixing frame (8), the center of the top surface of the fixing frame (8) is rotatably connected to a turntable (9), a plurality of pulleys (12) are installed at the bottom of the turntable (9), the pulleys (12) are rollingly connected to the fixing frame (8), two second motors (13) are installed on both sides of the bottom surface of the turntable (9), the output end of the second motor (13) is fixedly connected to one of the pulleys (12), and the fixing component (10) is located on the top surface of the turntable (9) and is fixedly installed.

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