Cleaning equipment suitable for plastic spraying pretreatment

Abstract

The invention discloses cleaning equipment suitable for plastic spraying pretreatment, and relates to the technical field of cleaning equipment.The cleaning equipment comprises a tank body, a spraying cleaning device, a motor lifting device, a positive and negative rotation clamping device and a liquid guiding-in device, the positive and negative rotation clamping device clamps a workpiece, the spraying cleaning device cleans the workpiece, and the motor lifting device is used for lifting the motor lifting device; the forward and reverse rotation clamping device clamps a workpiece to rotate, so that the spraying cleaning device cleans the workpiece without dead corners, after cleaning is finished, the liquid guiding device discharges an acid rust remover into the tank body, in the rust removal process, the forward and reverse rotation clamping device clamps the workpiece, and short-amplitude forward and reverse rotation is conducted in the acid rust remover; the liquid introduction device discharges a phosphating agent into the tank body, a workpiece is subjected to a phosphating reaction in the phosphating agent, after the reaction is finished, the forward and reverse rotation clamping device clamps the workpiece to rotate, liquid on the surface of the workpiece is spin-dried, the workpiece is treated through the oil removal, rust removal and phosphating combined process, and the cleaning effect before plastic spraying is achieved.

Description

Technical Field

[0001] This invention relates to the field of cleaning equipment technology, specifically a cleaning device suitable for pretreatment before powder coating. Background Technology

[0002] In the manufacturing process of control cabinets, powder coating is a crucial step in improving their surface protection and appearance quality. The effectiveness of workpiece cleaning before powder coating directly determines the adhesion and durability of the powder coating layer. If residual oil, dust, metal shavings, or oxide scale remains on the control cabinet surface, defects such as blistering, peeling, and pinholes in the powder coating layer will occur, seriously affecting the product's service life and market competitiveness. Therefore, workpiece cleaning is an indispensable pretreatment process before powder coating. Currently, the commonly used pre-powder coating cleaning equipment for control cabinets in the industry is mainly divided into two categories: spray cleaning machines and ultrasonic cleaning machines. Spray cleaning machines use a high-pressure water pump to generate a high-pressure water jet, which impacts the workpiece surface through the spray nozzles for cleaning. Their core advantage lies in their high cleaning efficiency, making them suitable for continuous processing of batches of workpieces. However, this type of equipment has significant structural compatibility defects: the control cabinet surface has many reinforcing ribs, mounting holes, internal blind holes, and uneven joints. The high-pressure water jet is limited by the spray angle and path, making it difficult to completely clean these complex structures, resulting in a high rate of residual contaminants.

[0003] During the rust removal process, some workpieces cannot fully react in acidic rust removers. Rust removal reactions are inherently slow at room temperature, and if the ambient temperature is below 10℃, the reaction rate will drop significantly, making it impossible to complete rust removal within the specified time. Insufficient soaking or contact time also makes it difficult for the agent to penetrate and react completely in a short period of time, which is also an important factor affecting the rust removal reaction of the workpiece. Summary of the Invention

[0004] The purpose of this invention is to provide a cleaning device suitable for pretreatment before powder coating, so as to solve the problems mentioned in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a cleaning device suitable for pretreatment before powder coating, the cleaning device comprising a tank, a spray cleaning device, a motor lifting device, and a forward and reverse clamping device. The spray cleaning device is located on one side of the tank along its length, the motor lifting device is located on both sides of the tank along its width, and the forward and reverse clamping device is mounted on the motor lifting device. During the degreasing process, the spray cleaning device can clean oil stains from the surface of the workpiece. During the degreasing process, the forward and reverse clamping device can clamp the workpiece and rotate it, facilitating complete cleaning of the workpiece by the spray cleaning device and preventing incomplete cleaning due to complex workpiece structures. During the rust removal process, the motor lifting device can completely immerse the workpiece held by the forward and reverse clamping device into the tank. During the rust removal process, the forward and reverse clamping device can clamp the workpiece and perform short forward and reverse rotations, allowing for a more complete reaction between the workpiece and the acidic rust remover in the tank.

[0006] The spray cleaning device includes a spray pipe, a clean water pipe, and a water storage tank. A water tank guide pipe is provided on one side of the water storage tank. A water pump is provided above the water tank guide pipe. An elbow pipe is provided above the water pump and connected to the clean water pipe. A spray pipe is provided on the clean water pipe, and a water pipe support is provided below the clean water pipe. When the spray cleaning device performs the degreasing process, the water pump is driven to draw liquid from the water storage tank. The liquid flows through the elbow pipe and the clean water pipe, and finally sprays out through the spray pipe to clean the workpiece.

[0007] The motor lifting device includes a front base, a front C-shaped block, and a front lifting block. The front C-shaped block is mounted on the front base. A front guide rail is provided inside the opening of the front C-shaped block. A front slider is slidably mounted on the front guide rail and connected to the front lifting block. A front lead screw is provided at the lower end of the opening of the front C-shaped block. A front drive motor is passed through the upper end of the front C-shaped block. The output end of the front drive motor is connected to the front lead screw. When the front drive motor runs, it drives the front lifting block to slide on the front lead screw. The front slider follows the front lifting block and slides on the front guide rail. During the degreasing process, the motor lifting device raises the workpiece, allowing for close-range cleaning. During the rust removal process, the motor lifting device lowers, completely immersing the workpiece in the acidic rust remover to ensure thorough rust removal.

[0008] The motor lifting device further includes a rear base, a rear C-shaped block, and a rear lifting block. The rear C-shaped block is mounted on the rear base, and a rear guide rail is provided inside the opening of the rear C-shaped block. A rear slider is slidably mounted on the rear guide rail, and the rear slider is connected to the rear lifting block. A rear lead screw is provided at the lower end of the opening of the rear C-shaped block, and a rear drive motor is passed through the upper end of the rear C-shaped block. The output end of the rear drive motor is connected to the rear lead screw. When the rear drive motor runs, it drives the rear lifting block to slide on the rear lead screw. The rear slider follows the rear lifting block and slides on the rear guide rail. During the degreasing process, the motor lifting device raises the workpiece, allowing for close-range cleaning. During the rust removal process, the motor lifting device lowers, completely immersing the workpiece in the acidic rust remover to ensure thorough rust removal.

[0009] The forward and reverse lifting device includes a front housing, a front gear motor 1, and a front motor support. The front housing is mounted on the front lifting block, and the front motor support is mounted on the bottom surface inside the front housing. The front gear motor 1 is mounted on the front motor support. A front rotating shaft is provided at the output end of the front gear motor 1. A front bevel gear 1 is fitted onto the end of the front rotating shaft near the front gear motor 1, and a front bevel gear 2 is fitted onto the end of the front rotating shaft away from the front gear motor 1. The front gear motor 2 is located on the upper surface inside the front housing, and an upper bevel gear 1 is provided at the output end of the front gear motor 2. The upper bevel gear 1 meshes with the front bevel gear 1 and the front bevel gear 2. The upper bevel gear 1 has teeth distributed circumferentially, and the toothed portion of the upper bevel gear 1 meshes with the front bevel gear 1 and the front bevel gear 2. A section with missing teeth is provided on the circumference of the upper bevel gear 1. The front gear motor 2 rotates the section with missing teeth of the upper bevel gear 1 to the meshing position with the front bevel gear 1 and the front bevel gear 2. When the front gear motor 2 stops operating, the front gear motor 1 drives the front rotating shaft to rotate. The front bevel gear 1 and the front bevel gear 2 rotate in the same direction as the front rotating shaft. The upper bevel gear 1 will not affect the rotation of the front bevel gear 1 and the front bevel gear 2. When the front gear motor 1 stops operating, the front gear motor 2 drives the upper bevel gear 1 to rotate clockwise. When the teeth of the upper bevel gear 1 rotate to the position where they mesh with the front bevel gear 1, the front bevel gear 1 rotates counterclockwise. The front bevel gear 1 drives... The front rotating shaft and the second front bevel gear rotate counterclockwise. At this time, the forward and reverse clamping device performs a short-range reverse rotation. When the teeth of the first upper bevel gear rotate to the meshing position with the second front bevel gear, the second front bevel gear rotates clockwise. The second front bevel gear drives the front rotating shaft and the first front bevel gear to rotate clockwise. At this time, the forward and reverse clamping device performs a short-range forward rotation. During the rust removal process, the workpiece is immersed in the acidic rust remover. By performing short-range forward and reverse rotations through the forward and reverse clamping device, the workpiece reacts more fully in the acidic rust remover.

[0010] The forward and reverse lifting device further includes a rear housing, a rear gear motor 1, and a rear motor support. The rear housing is mounted on the rear lifting block, and the rear motor support is mounted on the bottom surface inside the rear housing. The rear gear motor 1 is mounted on the rear motor support. A rear rotating shaft is provided at the output end of the rear gear motor 1. A rear bevel gear 1 is fitted onto the end of the rear rotating shaft near the rear gear motor 1, and a rear bevel gear 2 is fitted onto the end of the rear rotating shaft away from the rear gear motor 1. The rear gear motor 2 is located on the upper surface inside the rear housing, and an upper bevel gear 2 is provided at the output end of the rear gear motor 2. The upper bevel gear 2 meshes with the rear bevel gear 1 and the rear bevel gear 2. The upper bevel gear 2 has teeth distributed circumferentially, and the toothed portion of the upper bevel gear 2 meshes with the rear bevel gear 1 and the rear bevel gear 2. The circumference of the upper bevel gear 2 has a missing tooth area. The rear gear motor 2 rotates the missing tooth area of ​​the upper bevel gear 2 to mesh with the rear bevel gear 1 and the rear bevel gear 2. When in position, the second rear gear motor stops operating, and the first rear gear motor drives the rear rotating shaft to rotate. The first and second rear bevel gears rotate in the same direction following the rear rotating shaft. The second upper bevel gear will not affect the rotation of the first and second rear bevel gears. When the first rear gear motor stops operating, the second rear gear motor drives the second upper bevel gear to rotate clockwise. When the teeth of the second upper bevel gear rotate to the position where they mesh with the first rear bevel gear, the first rear bevel gear rotates counterclockwise. The first rear bevel gear drives... The rear rotating shaft and the second rear bevel gear rotate counterclockwise. At this time, the forward and reverse clamping device performs a short-range reverse rotation. When the teeth of the second upper bevel gear rotate to the meshing position with the second rear bevel gear, the second rear bevel gear rotates clockwise. The second rear bevel gear drives the rear rotating shaft and the first rear bevel gear to rotate clockwise. At this time, the forward and reverse clamping device performs a short-range forward rotation. During the rust removal process, the workpiece is immersed in the acidic rust remover. By performing short-range forward and reverse rotations through the forward and reverse clamping device, the workpiece reacts more fully in the acidic rust remover.

[0011] The forward and reverse lifting device also includes a front sealing plate and a front sealing shell. The front sealing plate is penetrated by a front rotating shaft. A front fixed plate is provided at one end of the front rotating shaft. The front fixed plate is connected to the front sealing shell. A front fixed column is provided inside the front sealing shell. One end of the front fixed column is connected to the front fixed plate. A front gripper shell is provided at the other end of the front fixed column. The front gripper shell is connected to the front sealing shell. A waterproof motor is provided through the front gripper shell on the side near the front fixed plate. A front gripper is provided at the output end of the waterproof motor. The front gripper is located inside the front gripper shell. The waterproof motor controls the front gripper to clamp the workpiece. When the front gripper clamps the workpiece, the front gripper follows the rotation of the front rotating shaft.

[0012] The forward and reverse lifting device also includes a rear sealing plate and a rear sealing shell. The rear sealing plate is penetrated by a rear rotating shaft. A rear fixing plate is provided at one end of the rear rotating shaft. The rear fixing plate is connected to the rear sealing shell. A rear fixing column is provided inside the rear sealing shell. One end of the rear fixing column is connected to the rear fixing plate. A rear gripper shell is provided at the other end of the rear fixing column. The rear gripper shell is connected to the rear sealing shell. A second waterproof motor is provided through the rear gripper shell on the side near the rear fixing plate. A rear gripper is provided at the output end of the second waterproof motor. The rear gripper is located inside the rear gripper shell. The second waterproof motor controls the rear gripper to clamp the workpiece. When the rear gripper clamps the workpiece, the rear gripper follows the rotation of the rear rotating shaft.

[0013] A support frame is provided on the bottom surface of the tank, and a filter plate is provided on the support frame. A drain valve is provided through the side of the tank near the front base. The filter plate filters the impurities generated during the degreasing and derusting processes to prevent blockage during drainage. The drain valve discharges the liquid inside the tank.

[0014] The liquid agent introduction device includes a rust remover tank, an acid-resistant pump, and a phosphating agent tank. A conduit is installed on one side of the rust remover tank, connecting to the acid-resistant pump. A straight pipe is installed on the acid-resistant pump, and a throttle valve is installed on the straight pipe. An inlet pipe is installed on the throttle valve, penetrating the inner wall of the tank. A guide pipe is installed on one side of the phosphating agent tank, with a guide pump installed at one end. A second straight pipe is installed on the guide pump, and a... A second throttle valve is provided, and a second inlet pipe is installed on the second throttle valve. The second inlet pipe penetrates the inner wall of the tank. During the rust removal process, the acid-resistant pump draws the acidic rust remover from the rust remover tank. The acidic rust remover flows through the guide pipe and the straight pipe, and finally enters the tank through the first inlet pipe. The flow rate of the liquid can be controlled by the first throttle valve. During the phosphating process, the liquid pump draws the phosphating agent from the phosphating agent tank. The phosphating agent flows through the guide pipe and the straight pipe, and finally enters the tank through the second inlet pipe.

[0015] Compared with the prior art, the beneficial effects of the present invention are: The spray cleaning device and the forward and reverse clamping device achieve thorough cleaning of the workpiece without dead angles. During the spray cleaning process, the forward and reverse clamping device holds the workpiece and rotates it. This allows for cleaning without angle limitations, enabling the complete cleaning of complex structures and reducing the residual dirt rate. This provides a guarantee for the subsequent rust removal and phosphating processes.

[0016] During the rust removal process, the workpiece is held in the acidic rust remover and rotated briefly in both directions. This breaks the static contact interface between the workpiece surface and the rust remover, quickly removing the rust residue, dissolution products, and air bubbles that have already reacted. This prevents these substances from accumulating and forming an isolation layer that hinders the continuous contact between the rust remover and the unreacted rust layer. It allows the fresh rust remover to penetrate more efficiently into deep cavities, crevices, corners, and other areas prone to rust buildup, ensuring that the rust layer in all areas of the workpiece reacts fully and reducing the possibility of incomplete rust removal in certain areas. The slight disturbance caused by the brief forward and reverse rotation also accelerates the flow rate of the rust remover on the workpiece surface, thus significantly speeding up the chemical reaction rate. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is an overall isometric view of the present invention; Figure 3 This is a cross-sectional view of the main body of the present invention; Figure 4 For the present invention Figure 3 A magnified view of a portion of region A in the middle; Figure 5 For the present invention Figure 3 A magnified view of a portion of region B in the middle; Figure 6 This is a structural diagram of the spray cleaning device of the present invention; Figure 7 This is a structural diagram of the liquid agent introduction device of the present invention.

[0018] In the diagram: 1. Tank; 2. Spray pipe; 3. Clean water pipe; 4. Water storage tank; 5. Elbow pipe; 6. Water pump one; 7. Water tank guide pipe; 8. Water pipe support; 9. Front base; 10. Front C-block; 11. Front lifting block; 12. Front guide rail; 13. Front slider; 14. Front lead screw; 15. Front drive motor; 16. Rear base; 17. Rear C-block; 18. Rear lifting block; 19. Rear guide rail; 20. Rear slider; 21. Rear lead screw; 22. Rear drive motor; 23. Front housing; 24. Front gear motor one; 25. Front motor support; 26. Front gear motor two; 27. Front rotating shaft; 28. Front bevel gear one; 29. ​​Front bevel gear two; 30. Upper bevel gear one; 31. Front sealing plate; 32. Front fixing plate; 33. Front sealing shell; 34. Waterproof motor one 35. Front gripper housing; 36. Front gripper; 37. Front fixed post; 38. Rear housing; 39. Rear gear motor one; 40. Rear motor support; 41. Rear gear motor two; 42. Rear rotating shaft; 43. Rear bevel gear one; 44. Rear bevel gear two; 45. Upper bevel gear two; 46. Rear sealing plate; 47. Rear fixed plate; 48. Rear sealing housing; 49. Waterproof motor two; 50. Rear gripper housing; 51. Rear gripper; 52. Rear fixed post; 53. Support frame; 54. Filter plate; 55. Drain valve; 56. Rust remover tank; 57. Conduit; 58. Acid-resistant pump; 59. Straight pipe one; 60. Throttling valve one; 61. Liquid inlet pipe one; 62. Phosphating agent tank; 63. Agent guide pipe; 64. Liquid guide pump; 65. Straight pipe two; 66. Throttling valve two; 67. Liquid inlet pipe two. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example: Figures 1-7As shown, the present invention provides a technical solution: a cleaning device suitable for pretreatment before powder coating. The cleaning device includes a tank 1, a spray cleaning device, a motor lifting device, and a forward and reverse clamping device. The spray cleaning device is located on one side of the tank 1 along its length, and the motor lifting device is located on both sides of the tank 1 along its width. The forward and reverse clamping device is mounted on the motor lifting device. During the degreasing process, the spray cleaning device can clean the oil stains on the surface of the workpiece. During the degreasing process, the forward and reverse clamping device can clamp the workpiece and rotate it, facilitating complete cleaning of the workpiece by the spray cleaning device and preventing incomplete cleaning due to the complex structure of the workpiece. During the rust removal process, the motor lifting device can completely immerse the workpiece held by the forward and reverse clamping device into the tank 1. During the rust removal process, the forward and reverse clamping device can clamp the workpiece and perform short forward and reverse rotations, allowing the workpiece to react more fully with the acidic rust remover in the tank 1.

[0021] The motor lifting device includes a front base 9, a front C-shaped block 10, and a front lifting block 11. The front C-shaped block 10 is mounted on the front base 9. A front guide rail 12 is provided inside the opening of the front C-shaped block 10. A front slider 13 is slidably mounted on the front guide rail 12 and connected to the front lifting block 11. A front lead screw 14 is provided at the lower end of the opening of the front C-shaped block 10. A front drive motor 15 is passed through the upper end of the front C-shaped block 10. The output end of the front drive motor 15 is connected to the front lead screw 14. When the front drive motor 15 runs, it drives the front lifting block 11 to slide on the front lead screw 14. The front slider 13 follows the front lifting block 11 and slides on the front guide rail 12. During the degreasing process, the motor lifting device raises the workpiece, allowing for close-range cleaning. During the rust removal process, the motor lifting device lowers, completely immersing the workpiece in the acidic rust remover to ensure thorough rust removal.

[0022] The motor lifting device also includes a rear base 16, a rear C-shaped block 17, and a rear lifting block 18. The rear C-shaped block 17 is mounted on the rear base 16. A rear guide rail 19 is provided inside the opening of the rear C-shaped block 17. A rear slider 20 is slidably mounted on the rear guide rail 19 and connected to the rear lifting block 18. A rear lead screw 21 is provided at the lower end of the opening of the rear C-shaped block 17. A rear drive motor 22 is passed through the upper end of the rear C-shaped block 17. The output end of the rear drive motor 22 is connected to the rear lead screw 21. When the rear drive motor 22 runs, it drives the rear lifting block 18 to slide on the rear lead screw 21. The rear slider 20 follows the rear lifting block 18 and slides on the rear guide rail 19. During the degreasing process, the motor lifting device raises the workpiece, allowing for close-range cleaning. During the rust removal process, the motor lifting device lowers, completely immersing the workpiece in the acidic rust remover to ensure thorough rust removal.

[0023] The spray cleaning device includes a spray pipe 2, a clean water pipe 3, and a water storage tank 4. A water tank guide pipe 7 is installed on one side of the water storage tank 4. A water pump 6 is installed above the water tank guide pipe 7. An elbow pipe 5 is installed above the water pump 6. The elbow pipe 5 is connected to the clean water pipe 3. The spray pipe 2 is installed on the clean water pipe 3. A water pipe support 8 is installed below the clean water pipe 3. When the spray cleaning device performs the degreasing process, the water pump 6 drives the liquid to be drawn from the water storage tank 4. The liquid flows through the elbow pipe 5 and the clean water pipe 3, and is finally sprayed out through the spray pipe 2 to clean the workpiece.

[0024] A support frame 53 is provided on the bottom surface inside the tank 1, and a filter plate 54 is provided on the support frame 53. A drain valve 55 is provided through the side of the tank 1 near the front base 9. The filter plate 54 filters the impurities generated during the degreasing and derusting processes to prevent blockage during drainage. The drain valve 55 discharges the liquid inside the tank 1.

[0025] The forward and reverse lifting device includes a front housing 23, a front gear motor 24, and a front motor support 25. The front housing 23 is mounted on the front lifting block 11, and the front motor support 25 is mounted on the bottom surface inside the front housing 23. The front gear motor 24 is mounted on the front motor support 25. A front rotating shaft 27 is provided at the output end of the front gear motor 24. A front bevel gear 28 is sleeved on the end of the front rotating shaft 27 near the front gear motor 24, and a front bevel gear 29 is sleeved on the end of the front rotating shaft 27 away from the front gear motor 24. The upper surface inside the front housing 23 is provided with... A front gear motor 26 is provided, and an upper bevel gear 30 is provided at the output end of the front gear motor 26. The upper bevel gear 30 meshes with the front bevel gear 28 and the front bevel gear 29. The upper bevel gear 30 has teeth distributed circumferentially. The toothed portion of the upper bevel gear 30 meshes with the front bevel gear 28 and the front bevel gear 29. There is a missing tooth area on the circumference of the upper bevel gear 30. The front gear motor 26 rotates the missing tooth area of ​​the upper bevel gear 30 to engage with the front bevel gear 28 and the front bevel gear 29. When gear 29 is in the meshing position, front gear motor 26 stops operating, and front gear motor 24 drives the front rotating shaft 27 to rotate. Front bevel gear 28 and front bevel gear 29 rotate in the same direction as the front rotating shaft 27. Upper bevel gear 30 will not affect the rotation of front bevel gear 28 and front bevel gear 29. When front gear motor 24 stops operating, front gear motor 26 drives upper bevel gear 30 to rotate clockwise. When the teeth of upper bevel gear 30 rotate to the position where they mesh with front bevel gear 28, front bevel gear 28 rotates counterclockwise. Wheel 28 drives the front rotating shaft 27 and the front bevel gear 29 to rotate counterclockwise. At this time, the forward and reverse clamping device performs a short-range reverse rotation. When the teeth of the upper bevel gear 30 rotate to the meshing position with the front bevel gear 29, the front bevel gear 29 rotates clockwise. The front bevel gear 29 drives the front rotating shaft 27 and the front bevel gear 28 to rotate clockwise. At this time, the forward and reverse clamping device performs a short-range forward rotation. During the rust removal process, the workpiece is immersed in the acidic rust remover. By performing short-range forward and reverse rotation through the forward and reverse clamping device, the workpiece can react more fully in the acidic rust remover.

[0026] The forward and reverse lifting device also includes a rear housing 38, a rear gear motor 39, and a rear motor support 40. The rear housing 38 is mounted on the rear lifting block 18, and the rear motor support 40 is mounted on the bottom surface inside the rear housing 38. The rear gear motor 39 is mounted on the rear motor support 40. A rear rotating shaft 42 is provided at the output end of the rear gear motor 39. A rear bevel gear 43 is sleeved on the end of the rear rotating shaft 42 near the rear gear motor 39, and a rear bevel gear 44 is sleeved on the end of the rear rotating shaft 42 away from the rear gear motor 39. The upper surface inside the rear housing 38... A second rear gear motor 41 is provided, and an upper bevel gear 45 is provided at the output end of the second rear gear motor 41. The upper bevel gear 45 meshes with the first rear bevel gear 43 and the second rear bevel gear 44. The upper bevel gear 45 has teeth distributed circumferentially. The toothed portion of the upper bevel gear 45 meshes with the first rear bevel gear 43 and the second rear bevel gear 44. There is a missing tooth area on the circumference of the upper bevel gear 45. The second rear gear motor 41 rotates the missing tooth area of ​​the upper bevel gear 45 to engage with the first rear bevel gear 43 and the second rear bevel gear 44. When the gears 44 are in the meshing position, the rear gear motor 41 stops running, and the rear gear motor 39 drives the rear rotating shaft 42 to rotate. The rear bevel gears 43 and 44 rotate in the same direction as the rear rotating shaft 42. The upper bevel gear 45 will not affect the rotation of the rear bevel gears 43 and 44. When the rear gear motor 39 stops running, the rear gear motor 41 drives the upper bevel gear 45 to rotate clockwise. When the teeth of the upper bevel gear 45 rotate to the meshing position with the rear bevel gear 43, the rear bevel gear 43 rotates counterclockwise. Wheel 43 drives the rear rotating shaft 42 and rear bevel gear 44 to rotate counterclockwise. At this time, the forward and reverse clamping device performs a short-range reverse rotation. When the teeth of the upper bevel gear 45 rotate to the meshing position with the rear bevel gear 44, the rear bevel gear 44 rotates clockwise. The rear bevel gear 44 drives the rear rotating shaft 42 and rear bevel gear 43 to rotate clockwise. At this time, the forward and reverse clamping device performs a short-range forward rotation. During the rust removal process, the workpiece is immersed in the acidic rust remover. By performing short-range forward and reverse rotation through the forward and reverse clamping device, the workpiece can react more fully in the acidic rust remover.

[0027] The forward and reverse lifting device also includes a front sealing plate 31 and a front sealing shell 33. The front sealing plate 31 is penetrated by a front rotating shaft 27. A front fixing plate 32 is provided at one end of the front rotating shaft 27. The front fixing plate 32 is connected to the front sealing shell 33. A front fixing column 37 is provided inside the front sealing shell 33. One end of the front fixing column 37 is connected to the front fixing plate 32. A front gripper shell 35 is provided at the other end of the front fixing column 37. The front gripper shell 35 is connected to the front sealing shell 33. A waterproof motor 34 is provided through the front gripper shell 35 on the side near the front fixing plate 32. A front gripper 36 is provided at the output end of the waterproof motor 34. The front gripper 36 is located inside the front gripper shell 35. The waterproof motor 34 controls the front gripper 36 to clamp the workpiece. When the front gripper 36 clamps the workpiece, the front gripper 36 follows the rotation of the front rotating shaft 27.

[0028] The forward and reverse lifting device also includes a rear sealing plate 46 and a rear sealing shell 48. The rear sealing plate 46 is penetrated by a rear rotating shaft 42. A rear fixing plate 47 is provided at one end of the rear rotating shaft 42. The rear fixing plate 47 is connected to the rear sealing shell 48. A rear fixing column 52 is provided inside the rear sealing shell 48. One end of the rear fixing column 52 is connected to the rear fixing plate 47. A rear gripper shell 50 is provided at the other end of the rear fixing column 52. The rear gripper shell 50 is connected to the rear sealing shell 48. A waterproof motor 49 is provided through the side of the rear gripper shell 50 near the rear fixing plate 47. A rear gripper 51 is provided at the output end of the waterproof motor 49. The rear gripper 51 is located inside the rear gripper shell 50. The waterproof motor 49 controls the rear gripper 51 to clamp the workpiece. When the rear gripper 51 clamps the workpiece, the rear gripper 51 follows the rotation of the rear rotating shaft 42.

[0029] The liquid agent introduction device includes a rust remover tank 56, an acid-resistant pump 58, and a phosphating agent tank 62. A conduit 57 is installed on one side of the rust remover tank 56, connecting it to the acid-resistant pump 58. A straight pipe 59 is installed on the acid-resistant pump 58, and a throttle valve 60 is installed on the straight pipe 59. An inlet pipe 61 is installed on the throttle valve 60, penetrating the inner wall of the tank 1. A guide pipe 63 is installed on one side of the phosphating agent tank 62, and a liquid pump 64 is installed at one end of the guide pipe 63. A second straight pipe 65 is installed on the liquid pump 64, and a throttle valve 65 is installed on the second straight pipe 65. The flow valve 66 is equipped with an inlet pipe 67, which penetrates the inner wall of the tank 1. During the rust removal process, the acid-resistant pump 58 draws the acidic rust remover from the rust remover tank 56. The acidic rust remover flows through the conduit 57 and the straight pipe 59, and finally enters the tank 1 through the inlet pipe 61. The flow rate of the liquid can be controlled by the flow valve 60. During the phosphating process, the liquid pump 64 draws the phosphating agent from the phosphating agent tank 62. The phosphating agent flows through the liquid guide pipe 63 and the straight pipe 65, and finally enters the tank 1 through the inlet pipe 67.

[0030] Working principle of the invention: The front drive motor 15 and the rear drive motor 22 operate, raising the forward and reverse clamping device to a position directly above the tank 1. The workpiece is placed on the front jaw 36 and the rear jaw 51 manually from the side of the tank 1, and rust-removing oil is sprayed on the workpiece. The waterproof motor 34 and the waterproof motor 49 drive the front jaw 36 and the rear jaw 51 to clamp the workpiece. The front drive motor 15 and the rear drive motor 22 operate, clamping the workpiece and moving it downwards a certain distance. The water pump 6 operates, drawing clean water from the water storage tank 4. The liquid flows through the elbow pipe 5 and the clean water pipe 3, and is finally sprayed out through the spray pipe 2 to rinse and remove oil from the workpiece. The front gear motor 24 and the rear gear motor 39 drive the front rotating shaft 27 and the rear rotating shaft 42 to rotate, causing the front jaw 36 and the rear jaw 51 to clamp the workpiece and rotate. The spray pipe 2 continuously cleans the rotating workpiece without dead angles.

[0031] After the degreasing process is completed, drain valve 55 is opened to drain the liquid used for cleaning the workpiece during the degreasing process from tank 1 into an external wastewater tank. After all the wastewater has been drained, drain valve 55 is closed. At this time, acid-resistant pump 58 operates to draw acidic rust remover from rust remover tank 56 and discharge it into tank 1. At this time, the discharge rate of throttle valve 60 is increased to allow the acidic rust remover to be discharged into tank 1 more quickly. After the discharge is completed, throttle valve 60 is closed, and the front drive... When the drive motor 15 and the rear drive motor 22 operate, the front gripper 36 and the rear gripper 51 clamp the workpiece and move it downwards, completely immersing the workpiece in the acidic rust remover. The front gear motor 26 drives the upper bevel gear 30 to rotate clockwise. When the teeth of the upper bevel gear 30 rotate to the position of meshing with the front bevel gear 28, the front bevel gear 28 rotates counterclockwise. The front bevel gear 28 drives the front rotating shaft 27 and the front bevel gear 29 to rotate counterclockwise. The rear gear motor 2... 41 drives the upper bevel gear 2 45 to rotate clockwise. When the teeth of the upper bevel gear 2 45 rotate to the position where it meshes with the rear bevel gear 1 43, the rear bevel gear 1 43 rotates counterclockwise. The rear bevel gear 1 43 drives the rear rotating shaft 42 and the rear bevel gear 2 44 to rotate counterclockwise. At this time, the forward and reverse clamping device performs a short-range reverse rotation. When the teeth of the upper bevel gear 1 30 rotate to the position where it meshes with the front bevel gear 2 29, the front bevel gear 2 29 rotates clockwise. The front bevel gear 2 29 drives the front rotating shaft 27 and the front bevel gear 1 28 to rotate clockwise. When the teeth of the upper bevel gear 2 45 rotate to the position where it meshes with the rear bevel gear 2 44, the rear bevel gear 2 44 rotates clockwise. The rear bevel gear 2 44 drives the rear rotating shaft 42 and the rear bevel gear 1 43 to rotate clockwise. At this time, the forward and reverse clamping device performs a short-range forward rotation. By clamping the workpiece with the forward and reverse clamping device and performing short-range forward and reverse rotation, the workpiece reacts more fully in the acidic rust remover.

[0032] After the rust removal process is completed, the front drive motor 15 and the rear drive motor 22 operate, causing the workpiece to move upwards and leave the acidic rust remover. The spray pipe 2 sprays out cleaning liquid to clean the workpiece. After cleaning, the drain valve 55 is opened, discharging the acidic rust remover and waste liquid generated during the cleaning process from the tank 1 into an external wastewater tank. After all the wastewater has been discharged, the drain valve 55 is closed, and the liquid pump 64 operates to extract the phosphating agent from the phosphating agent tank 62 and discharge it into the tank 1. During the discharge process, the discharge rate of the second throttle valve 66 is increased. After the discharge is completed, the second throttle valve 66 is closed, and the front drive motor 15 and the rear drive motor 22 operate. The forward and reverse clamping device clamps the workpiece downwards. The workpiece is fully immersed in the phosphating agent during the motion process. After the reaction is completed in five to ten minutes, the front drive motor 15 and the rear drive motor 22 start, and the forward and reverse clamping device clamps the workpiece and moves it upward, so that the workpiece leaves the phosphating agent. The spray pipe 2 sprays out cleaning liquid to clean the workpiece. After cleaning, the drain valve 55 is opened to discharge the phosphating agent and the waste liquid generated during the cleaning process from the tank 1. After all the waste water is discharged, the drain valve 55 is closed, and the front gear motor 24 and the rear gear motor 39 drive the front rotating shaft 27 and the rear rotating shaft 42 to rotate, which drives the front gripper 36 and the rear gripper 51 to clamp the workpiece and rotate, shaking off the liquid on the surface of the workpiece and accelerating the drying of the workpiece.

[0033] After all processes are completed, the workpiece is unloaded manually, and any remaining impurities on the filter plate 54 are cleaned.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cleaning device suitable for pretreatment before powder coating, characterized in that: The cleaning equipment includes a tank (1), a spray cleaning device, a motor lifting device, and a forward and reverse clamping device. The spray cleaning device is located on one side of the tank (1) along its length, the motor lifting device is located on both sides of the tank (1) along its width, and the forward and reverse clamping device is located on the motor lifting device.

2. The cleaning equipment suitable for pretreatment before powder coating according to claim 1, characterized in that: The spray cleaning device includes a spray pipe (2), a clean water pipe (3) and a water storage tank (4). A water tank conduit (7) is provided on one side of the water storage tank (4). A water pump (6) is provided above the water tank conduit (7). An elbow pipe (5) is provided above the water pump (6). The elbow pipe (5) is connected to the clean water pipe (3). A spray pipe (2) is provided on the clean water pipe (3). A water pipe support (8) is provided below the clean water pipe (3).

3. A cleaning device suitable for pretreatment before powder coating according to claim 1, characterized in that: The motor lifting device includes a front base (9), a front C-shaped block (10), and a front lifting block (11). The front C-shaped block (10) is mounted on the front base (9). A front guide rail (12) is provided inside the opening of the front C-shaped block (10). A front slider (13) is slidably mounted on the front guide rail (12). The front slider (13) is connected to the front lifting block (11). A front lead screw (14) is provided at the lower end of the opening of the front C-shaped block (10). A front drive motor (15) is provided through the upper end of the front C-shaped block (10). The output end of the front drive motor (15) is connected to the front lead screw (14).

4. A cleaning device suitable for pretreatment before powder coating according to claim 3, characterized in that: The motor lifting device also includes a rear base (16), a rear C-shaped block (17), and a rear lifting block (18). The rear C-shaped block (17) is set on the rear base (16). A rear guide rail (19) is provided inside the opening of the rear C-shaped block (17). A rear slider (20) is slidably arranged on the rear guide rail (19). The rear slider (20) is connected to the rear lifting block (18). A rear lead screw (21) is provided at the lower end of the opening of the rear C-shaped block (17). A rear drive motor (22) is provided through the upper end of the rear C-shaped block (17). The output end of the rear drive motor (22) is connected to the rear lead screw (21).

5. A cleaning device suitable for pretreatment before powder coating according to claim 1, characterized in that: The forward and reverse lifting device includes a front housing (23), a front gear motor (24), and a front motor support (25). The front housing (23) is mounted on the front lifting block (11). The front motor support (25) is mounted on the bottom surface inside the front housing (23). The front gear motor (24) is mounted on the front motor support (25). The output end of the front gear motor (24) is provided with a front rotating shaft (27). The front rotating shaft (27) is close to the front gear motor (24). One end of the front rotating shaft (27) is fitted with a front bevel gear 1 (28), and the other end of the front rotating shaft (27) away from the front gear motor 1 (24) is fitted with a front bevel gear 2 (29). The upper end face inside the front housing (23) is provided with a front gear motor 2 (26), and the output end of the front gear motor 2 (26) is provided with an upper bevel gear 1 (30). The upper bevel gear 1 (30) is meshed with the front bevel gear 1 (28), and the upper bevel gear 1 (30) is meshed with the front bevel gear 2 (29).

6. A cleaning device suitable for pretreatment before powder coating according to claim 5, characterized in that: The forward and reverse lifting device also includes a rear housing (38), a rear gear motor (39), and a rear motor support (40). The rear housing (38) is mounted on the rear lifting block (18), the rear motor support (40) is mounted on the bottom surface inside the rear housing (38), the rear gear motor (39) is mounted on the rear motor support (40), and the output end of the rear gear motor (39) is provided with a rear rotating shaft (42). The rear rotating shaft (42) is close to the rear gear motor (39). 9) is fitted with a rear bevel gear 1 (43) at one end, and a rear bevel gear 2 (44) is fitted at the end of the rear rotating shaft (42) away from the rear gear motor 1 (39). The rear gear motor 2 (41) is provided on the upper end face inside the rear housing (38). The output end of the rear gear motor 2 (41) is provided with an upper bevel gear 2 (45). The upper bevel gear 2 (45) is meshed with the rear bevel gear 1 (43), and the upper bevel gear 2 (45) is meshed with the rear bevel gear 2 (44).

7. A cleaning device suitable for pretreatment before powder coating according to claim 5, characterized in that: The forward and reverse lifting device also includes a front sealing plate (31) and a front sealing shell (33). The front sealing plate (31) is penetrated by a front rotating shaft (27). A front fixing plate (32) is provided at one end of the front rotating shaft (27). The front fixing plate (32) is connected to the front sealing shell (33). A front fixing column (37) is provided inside the front sealing shell (33). One end of the front fixing column (37) is connected to the front fixing plate (32). A front gripper shell (35) is provided at the other end of the front fixing column (37). The front gripper shell (35) is connected to the front sealing shell (33). A waterproof motor (34) is provided through the side of the front gripper shell (35) near the front fixing plate (32). A front gripper (36) is provided at the output end of the waterproof motor (34). The front gripper (36) is located inside the front gripper shell (35).

8. A cleaning device suitable for pretreatment before powder coating according to claim 6, characterized in that: The forward and reverse lifting device also includes a rear sealing plate (46) and a rear sealing shell (48). The rear sealing plate (46) is penetrated by a rear rotating shaft (42). A rear fixing plate (47) is provided at one end of the rear rotating shaft (42). The rear fixing plate (47) is connected to the rear sealing shell (48). A rear fixing column (52) is provided inside the rear sealing shell (48). One end of the rear fixing column (52) is connected to the rear fixing plate (47). A rear gripper shell (50) is provided at the other end of the rear fixing column (52). The rear gripper shell (50) is connected to the rear sealing shell (48). A waterproof motor II (49) is provided through the side of the rear gripper shell (50) near the rear fixing plate (47). A rear gripper (51) is provided at the output end of the waterproof motor II (49). The rear gripper (51) is located inside the rear gripper shell (50).

9. A cleaning device suitable for pretreatment before powder coating according to claim 1, characterized in that: A support frame (53) is provided on the bottom surface inside the tank (1), and a filter plate (54) is provided on the support frame (53). A drain valve (55) is provided through the side of the tank (1) near the front base (9).

10. A cleaning device suitable for pretreatment before powder coating according to claim 1, characterized in that: The liquid agent introduction device includes a rust remover tank (56), an acid-resistant pump (58), and a phosphating agent tank (62). A conduit (57) is provided on one side of the rust remover tank (56), and the conduit (57) is connected to the acid-resistant pump (58). A straight pipe (59) is provided on the acid-resistant pump (58), and a throttle valve (60) is provided on the straight pipe (59). An inlet pipe (61) is provided on the throttle valve (60). (61) A guide pipe (63) is provided on one side of the phosphating agent tank (62) through the inner wall of the tank (1). A liquid pump (64) is provided at one end of the guide pipe (63). A straight pipe (65) is provided on the liquid pump (64). A throttle valve (66) is provided on the straight pipe (65). An inlet pipe (67) is provided on the throttle valve (66). The inlet pipe (67) penetrates the inner wall of the tank (1).

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