Aluminum alloy recovery system and recovery method

Abstract

The invention relates to the technical field of aluminum alloy recovery, and discloses an aluminum alloy recovery system which comprises a recovery cleaning box. A cleaning cavity is formed in the recycling and cleaning box, a pumping and discharging barrel part communicating with the cleaning cavity is installed on the side face of the bottom of the recycling and cleaning box, and a discharging stirring part communicating with the pumping and discharging barrel part is further installed on the side face of the recycling and cleaning box; and a piston piece is arranged in the pumping and discharging barrel piece, and a tooth piece matched with the discharging stirring piece in a transmission mode is installed at the bottom of the pumping and discharging barrel piece. According to the aluminum alloy recycling system and method, reciprocating motion of the piston piece in the pumping and discharging barrel piece drives reciprocating operation of the discharging stirring piece, reciprocating intermittent pushing of chemicals is achieved, it can be ensured that the chemicals are fully mixed with clear water in the pumping and discharging barrel piece, and the recycling efficiency of the chemicals is improved. And the problem of over-high or over-low local concentration caused by traditional one-time addition is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of aluminum alloy recycling, and in particular to an aluminum alloy recycling system and recycling method. Background Art

[0002] Aluminum alloy is an alloy material composed of aluminum and other metal elements and non-metallic elements. It has the characteristics of low density, high strength, good corrosion resistance, strong plasticity, good electrical conductivity and thermal conductivity, etc. Aluminum alloy has been widely used in aerospace, automobile manufacturing, construction, electronics, packaging and many other fields. In the recycling process of aluminum alloy, since there may be impurities attached to the surface of aluminum alloy, these impurities not only affect the reuse value of aluminum alloy, but also may cause damage to the equipment in the recycling process. Therefore, when recycling aluminum alloy, it is necessary to clean the impurities on its surface;

[0003] However, most of the cleaning methods for aluminum alloys in the prior art have some problems:

[0004] A common practice is to place the aluminum alloy in a container and then simply rinse it. Although this method can remove some impurities, it is not effective for stubborn oil stains and oxides. In order to further improve the cleaning effect, cleaning agents or chemicals are generally added to the container to assist in cleaning. However, most of the existing technologies add the chemicals to the container at one time. This practice easily leads to uneven distribution of the chemicals in the container, causing problems of local concentrations being too high or too low. Areas with too high concentrations may corrode the surface of the aluminum alloy, while areas with too low concentrations cannot effectively remove impurities, thereby affecting the cleaning effect of the aluminum alloy.

[0005] In order to solve the above problems, the present application proposes an aluminum alloy recycling system and recycling method. Summary of the invention

[0006] Based on the technical problems existing in the background technology, the present invention proposes an aluminum alloy recycling system and a recycling method.

[0007] The present invention provides an aluminum alloy recovery system, comprising a recovery and cleaning box;

[0008] A cleaning chamber is provided in the recovery and cleaning box, a pumping cylinder connected to the cleaning chamber is installed on the side of the bottom of the recovery and cleaning box, and a material unloading stirring member connected to the pumping cylinder is also installed on the side of the recovery and cleaning box;

[0009] A piston is arranged in the pumping cylinder, and a gear condition that cooperates with the material discharge stirring member is installed at the bottom of the pumping cylinder. A driving member is installed on the pumping cylinder to push the piston to move back and forth therein and drive the gear condition to reciprocate and push the material discharge stirring member to operate. When the material discharge stirring member reciprocates, the medicine is intermittently reciprocated and guided into the pumping cylinder to be mixed with clean water.

[0010] Preferably, the exhaust cylinder comprises a cylinder body, the cylinder body is mounted on the side of the bottom of the recovery and cleaning box, and the end of the cylinder body is connected to a exhaust pipe extending into the cleaning chamber.

[0011] Preferably, the material discharge stirring member includes a material box, which is installed on the side of the recovery and cleaning box and located above the cylinder. A material cavity is opened in the material box, and a stirring part is arranged in the material cavity, and the bottom end of the stirring part rotates through the material box and the bottom of the cylinder. A gear located below the cylinder is installed at the bottom end of the stirring part, and the gear and the gear are matched in transmission. An eccentrically arranged material discharge pipe connected with the material cavity is installed at the bottom of the material box, and the bottom end of the material discharge pipe is connected with the suction pipe.

[0012] Preferably, the stirring part includes a rotating rod, which is vertically arranged in the material cavity inside the material box, and the bottom end of the rotating rod rotates through the material box and the bottom of the cylinder. The gear is installed at the bottom end of the rotating rod, and a plurality of stirring plates arranged circumferentially and located in the material cavity are installed on the rotating rod.

[0013] Preferably, the piston member includes a piston body, which is slidably arranged in a cylinder, and an axle is installed at the end of the piston body. The end of the axle away from the piston body slides through the end of the cylinder away from the recovery and cleaning box, and the axle is driven by a driving member to push the piston body to reciprocate in the cylinder.

[0014] Preferably, the gear condition includes a rack body, and a guide block is installed at the bottom of the cylinder away from the recovery and cleaning box. A through sliding opening is opened in the guide block, and the rack body slides through the sliding opening and is meshed with the gear. An assembly rod is installed at the end of the rack body, and the assembly rod is driven by the driving member to push the rack body to move back and forth laterally.

[0015] Preferably, the driving member includes a first servo motor, an assembly frame is installed on the cylinder, the first servo motor is installed on the assembly frame, the output end of the first servo motor is connected to a turntable, the bottom of the turntable is rotatably connected to an eccentrically arranged connecting rod, the end of the connecting rod away from the turntable is rotatably fitted with a U-shaped block, the U-shaped block is connected to an end of the shaft rod away from the piston body, and the top of the assembly rod is connected to the bottom of the U-shaped block.

[0016] Preferably, a second servo motor is installed at the bottom of the recovery and cleaning box, and an output end of the second servo motor is connected to a stirring paddle located in the cleaning chamber.

[0017] Preferably, a drain pipe communicating with the cleaning chamber is connected to the bottom of the recovery and cleaning box, and a valve body is installed on the drain pipe.

[0018] A method for recycling aluminum alloy comprises the following steps:

[0019] Step 1: Place the workpiece to be recycled and cleaned into the recycling and cleaning box and pass clean water into it, and put the auxiliary cleaning agent into the material box;

[0020] Step 2: The first servo motor drives the turntable to drive the connecting rod to reciprocate in the circumferential direction, and the end of the connecting rod swings back and forth in the U-shaped block, and the piston body is pushed to reciprocate in the cylinder body through the shaft rod. The clean water in the cleaning chamber reciprocates in and out of the cylinder body along the pumping pipe. When the U-shaped block reciprocates with the shaft rod, the rack body can be pushed to move left and right through the assembly rod, so that the gear meshing with the rack body reciprocates left and right, and then the stirring plate located in the material box is driven to reciprocate through the rotating rod. The agent in the material box can be intermittently reciprocated and pushed into the discharge pipe through the stirring plate, so that it enters the discharge pipe and mixes with the clean water in the pumping pipe. The mixed liquid medicine is pushed into the recovery cleaning box, quickly dispersed in the cleaning chamber, and fully contacted with the surface of the workpiece;

[0021] Step 3: The second servo motor drives the stirring paddle to stir the workpiece and the liquid, further accelerating the removal of dirt on the workpiece surface;

[0022] Step 4: Drain the wastewater in the cleaning chamber through the drain pipe, then take out the cleaned workpiece and recycle it for the next process.

[0023] The above technical solution of the present invention has the following beneficial technical effects:

[0024] 1. Through the provided pumping cylinder, material discharging stirring member and piston member, the workpiece can be placed in the recovery cleaning box, and then the driving member drives the piston member to reciprocate in the pumping cylinder member and drives the gear conditions to push the material discharging stirring member to reciprocate. When the piston member reciprocates in the pumping cylinder member, the clean water in the recovery cleaning box can be reciprocated in and out of the pumping cylinder member. When the material discharging stirring member reciprocates, the agent therein can be reciprocated and intermittently pushed into the pumping cylinder member to mix with the clean water, and then enter the cleaning chamber under the action of the piston member, diffuse therein, and fully mix with the surface of the workpiece. This structure drives the reciprocating operation of the material discharging stirring member through the reciprocating movement of the piston member in the pumping cylinder member, realizes the reciprocating and intermittent pushing of the agent, can ensure that the agent is fully mixed with the clean water in the pumping cylinder member, avoids the problem of local concentration being too high or too low caused by traditional one-time addition, enables the agent to cover the surface of the aluminum alloy workpiece more evenly, effectively removes stubborn oil stains and oxides, and improves the cleaning effect;

[0025] 2. Since the reagent is pushed and mixed with clean water in a reciprocating intermittent manner, the amount of reagent used can be controlled, avoiding excessive use of reagents in traditional methods. This not only reduces the waste of reagents and the cleaning cost, but also reduces the risk of aluminum alloy surface corrosion caused by excessive reagent concentration, thereby protecting the quality of the workpiece;

[0026] 3. Through the reciprocating movement of the movable piston and the reciprocating operation of the feeding stirring part, the dynamic circulation of the cleaning liquid and the uniform mixing of the reagents are realized, thereby improving the cleaning efficiency. At the same time, since this dynamic cleaning method has stronger operational flexibility, the movement frequency of the piston and the pushing amount parameters of the reagent can be adjusted according to the different cleaning requirements of the aluminum alloy workpiece to achieve the best cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural schematic diagram of an aluminum alloy recovery system and recovery method proposed in the present invention.

[0028] Figure 2 For the present invention Figure 1 Schematic diagram of the local structure in.

[0029] Figure 3 For the present invention Figure 1 Schematic diagram of the structure of the middle and lower material stirring parts, piston parts and gear conditions.

[0030] 1. Recycling and cleaning box; 2. Pumping cylinder; 21. Cylinder body; 22. Pumping pipe; 3. Discharging stirring member; 31. Material box; 32. Stirring part; 321. Rotating rod; 322. Stirring plate; 33. Gear; 34. Discharging pipe; 4. Piston member; 41. Piston body; 42. Shaft; 5. Gear condition; 51. Rack body; 52. Assembly rod; 6. Driving member; 61. First servo motor; 62. Turntable; 63. Connecting rod; 64. U-shaped block; 7. Guide block; 8. Assembly frame; 9. Agitator paddle; 10. Second servo motor; 11. Drain pipe. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0032] like Figure 1-3 As shown, an aluminum alloy recovery system proposed by the present invention includes a recovery and cleaning box 1;

[0033] In this embodiment, a cleaning chamber is provided in the recovery and cleaning box 1, and a suction and exhaust cylinder 2 connected to the cleaning chamber is installed on the side of the bottom of the recovery and cleaning box 1. The suction and exhaust cylinder 2 includes a cylinder body 21, and the cylinder body 21 is installed on the side of the bottom of the recovery and cleaning box 1. The end of the cylinder body 21 is connected to a suction and exhaust pipe 22 extending into the cleaning chamber. A material unloading stirring member 3 connected to the suction and exhaust cylinder 2 is also installed on the side of the recovery and cleaning box 1.

[0034] In this embodiment, a piston member 4 is arranged in the pumping cylinder member 2, and a gear condition 5 that cooperates with the material discharge stirring member 3 is installed at the bottom of the pumping cylinder member 2. A driving member 6 is installed on the pumping cylinder member 2 for pushing the piston member 4 to move back and forth therein and driving the gear condition 5 to reciprocate and push the material discharge stirring member 3 to operate. When the material discharge stirring member 3 reciprocates, the medicine is intermittently and reciprocally guided into the pumping cylinder member 2 to mix with clean water. The piston member 4 includes a piston body 41, and the piston body 41 is slidably arranged in the cylinder body 21. A shaft rod 42 is installed at the end of the piston body 41, and an end of the shaft rod 42 away from the piston body 41 slides through the end of the cylinder body 21 away from the recovery and cleaning box 1, and the shaft rod 42 is driven by the driving member 6 to push the piston body 41 to move back and forth in the cylinder body 21.

[0035] In this embodiment, the material unloading and stirring member 3 includes a material box 31, which is installed on the side of the recovery and cleaning box 1 and is located above the cylinder 21. A material cavity is opened in the material box 31, and a stirring part 32 is arranged in the material cavity, and the bottom end of the stirring part 32 rotates through the material box 31 and the bottom of the cylinder 21, and a gear 33 located below the cylinder 21 is installed at the bottom end of the stirring part 32, and the gear 33 is matched with the gear condition 5 for transmission, and an eccentrically arranged material unloading pipe 34 connected to the material cavity is installed at the bottom of the material box 31, and the bottom end of the material unloading pipe 34 is connected to the exhaust pipe 22, and the stirring part 32 includes a rotating rod 321, which is vertically arranged in the material cavity in the material box 31, and the bottom end of the rotating rod 321 rotates through the material box 31 and the bottom of the cylinder 21, and the gear 33 is installed at the bottom end of the rotating rod 321, and a plurality of circumferentially arranged stirring plates 322 located in the material cavity are installed on the rotating rod 321.

[0036] In this embodiment, the rack condition 5 includes a rack body 51, and a guide block 7 is installed at the bottom of the end of the cylinder 21 away from the recovery and cleaning box 1. A through sliding mouth is opened in the guide block 7, and the rack body 51 slides through the sliding mouth and is meshed with the gear 33. An assembly rod 52 is installed at the end of the rack body 51, and the assembly rod 52 is driven by the driving member 6 to push the rack body 51 to move back and forth laterally. The driving member 6 includes a first servo motor 61, and an assembly frame 8 is installed on the cylinder 21. The first servo motor 61 is installed on the assembly frame 8. The output end of the first servo motor 61 is connected to a turntable 62, and the bottom of the turntable 62 is rotatably connected to an eccentrically arranged connecting rod 63. The end of the connecting rod 63 away from the turntable 62 is rotatably covered with a U-shaped block 64, and the U-shaped block 64 is connected to the end of the shaft 42 away from the piston body 41, and the top of the assembly rod 52 is connected to the bottom of the U-shaped block 64.

[0037] It should be noted that: the workpiece to be recycled and cleaned is placed in the recycling and cleaning box 1 and clean water is passed into it, and the auxiliary cleaning agent is placed in the material box 31. Then, the turntable 62 is driven by the first servo motor 61 to drive the connecting rod 63 to reciprocate in a circumferential direction. The end of the connecting rod 63 swings back and forth in the U-shaped block 64, and the piston body 41 is pushed to move back and forth in the cylinder 21 through the shaft 42. The clean water in the cleaning chamber reciprocates in and out of the cylinder 21 along the suction and discharge pipe 22. When the U-shaped block 64 moves back and forth with the shaft 42, the rack body 51 can be pushed to move left and right through the assembly rod 52, so that the gear 33 meshing with the rack body 51 reciprocates left and right, and then the stirring plate 322 located in the material box 31 is driven to reciprocate through the rotating rod 321. The agent in the material box 31 can be intermittently pushed into the discharge pipe 34 through the stirring plate 322, so that it can enter along the discharge pipe 34. The mixed liquid medicine is pushed into the recovery and cleaning box 1, quickly dispersed in the cleaning chamber, fully contacted with the surface of the workpiece, and the stirring paddle 9 can be driven by the second servo motor 10 to stir the workpiece and the liquid, further accelerating the shedding of dirt on the surface of the workpiece, and then the sewage in the cleaning chamber is discharged through the drain pipe 11, and then the cleaned workpiece is taken out and recycled for the next process, and the reciprocating movement of the piston member 4 in the suction and drainage cylinder 2 drives the reciprocating operation of the feeding stirring member 3, thereby realizing the reciprocating intermittent pushing of the agent, which can ensure that the agent is fully mixed with the clean water in the suction and drainage cylinder 2, avoiding the problem of local concentration being too high or too low caused by traditional one-time addition, so that the agent can be more evenly covered on the surface of the aluminum alloy workpiece, effectively removing stubborn oil stains and oxides, and improving the cleaning effect.

[0038] It should be further explained that: through the reciprocating movement of the movable piston member 4 and the reciprocating operation of the unloading stirring member 3, dynamic circulation of the cleaning liquid and uniform mixing of the agent are achieved, thereby improving the cleaning efficiency. At the same time, since this dynamic cleaning method has greater operational flexibility, the movement frequency of the piston member 4 and the push amount parameters of the agent can be adjusted according to the different cleaning requirements of the aluminum alloy workpiece to achieve the best cleaning effect.

[0039] In a specific embodiment, a second servo motor 10 is installed at the bottom of the recovery and cleaning box 1, and an output end of the second servo motor 10 is connected to a stirring paddle 9 located in the cleaning chamber.

[0040] It should be noted that when cleaning the aluminum alloy, the second servo motor 10 can be used to drive the stirring paddle 9 to stir the workpiece and the liquid, thereby further accelerating the removal of dirt on the workpiece surface.

[0041] In a specific embodiment, a drain pipe 11 communicating with the cleaning chamber is connected to the bottom of the recovery cleaning box 1 , and a valve body is installed on the drain pipe 11 .

[0042] It should be noted that after the aluminum alloy is cleaned, the sewage in the cleaning chamber can be discharged through the drain pipe 11, and then the cleaned workpiece is taken out and recycled for the next process.

[0043] A method for recycling aluminum alloy comprises the following steps:

[0044] Step 1: Place the workpiece to be recycled and cleaned into the recycling and cleaning box 1 and pass clean water into it, and put the auxiliary cleaning agent into the material box 31;

[0045] Step 2: The turntable 62 is driven by the first servo motor 61 to drive the connecting rod 63 to reciprocate in the circumferential direction. The end of the connecting rod 63 swings back and forth in the U-shaped block 64, and the piston body 41 is pushed to reciprocate in the cylinder 21 through the shaft 42. The clean water in the cleaning chamber reciprocates in and out of the cylinder 21 along the pumping pipe 22. When the U-shaped block 64 reciprocates with the shaft 42, the rack body 51 can be pushed to move left and right through the assembly rod 52, so that the gear 33 meshing with the rack body 51 reciprocates left and right, and then the stirring plate 322 located in the material box 31 is driven to reciprocate through the rotating rod 321. The medicine in the material box 31 can be intermittently reciprocated by the stirring plate 322. The medicine enters the discharge pipe 34 along the discharge pipe 34 and enters the pumping pipe 22 to mix with the clean water. The mixed medicine liquid is pushed into the recovery cleaning box 1, quickly dispersed in the cleaning chamber, and fully contacted with the surface of the workpiece;

[0046] Step 3: The second servo motor 10 drives the stirring paddle 9 to stir the workpiece and the liquid, thereby further accelerating the removal of dirt from the workpiece surface;

[0047] Step 4: drain the sewage in the cleaning chamber through the drain pipe 11, then take out the cleaned workpiece and recycle it for the next process.

[0048] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An aluminum alloy recovery system, comprising a recovery and cleaning tank (1), characterized in that: A cleaning chamber is provided in the recovery and cleaning box (1), a pumping cylinder (2) in communication with the cleaning chamber is installed on the side of the bottom of the recovery and cleaning box (1), and a material unloading stirring member (3) in communication with the pumping cylinder (2) is also installed on the side of the recovery and cleaning box (1); The pumping cylinder (2) is provided with a piston (4), the bottom of the pumping cylinder (2) is provided with a gear condition (5) which is in transmission cooperation with the material discharging stirring member (3), and the pumping cylinder (2) is provided with a driving member (6) which is used to push the piston (4) to move back and forth therein and drive the gear condition (5) to reciprocate the material discharging stirring member (3) to operate. When the material discharging stirring member (3) reciprocates, the medicine is intermittently reciprocated and guided into the pumping cylinder (2) to be mixed with clean water.

2. An aluminum alloy recovery system according to claim 1, characterized in that: The extraction cylinder (2) comprises a cylinder body (21), which is mounted on the side of the bottom of the recovery and cleaning box (1), and the end of the cylinder body (21) is connected to a extraction pipe (22) extending into the cleaning chamber.

3. An aluminum alloy recovery system according to claim 2, characterized in that: The material discharge stirring member (3) comprises a material box (31), the material box (31) is installed on the side of the recovery and cleaning box (1) and is located above the cylinder (21), a material cavity is opened in the material box (31), a stirring part (32) is arranged in the material cavity, and the bottom end of the stirring part (32) rotates through the material box (31) and the bottom of the cylinder (21), the bottom end of the stirring part (32) is installed with a gear (33) located below the cylinder (21), and the gear (33) is matched with the gear condition (5) for transmission, and the bottom of the material box (31) is installed with an eccentrically arranged material discharge pipe (34) connected to the material cavity, and the bottom end of the material discharge pipe (34) is connected to the suction pipe (22).

4. The aluminum alloy recovery system according to claim 3, characterized in that: The stirring portion (32) comprises a rotating rod (321), wherein the rotating rod (321) is vertically arranged in a material cavity in a material box (31), and the bottom end of the rotating rod (321) rotates through the material box (31) and the bottom of the cylinder (21), and the gear (33) is mounted on the bottom end of the rotating rod (321). A plurality of stirring plates (322) arranged circumferentially and located in the material cavity are mounted on the rotating rod (321).

5. The aluminum alloy recovery system according to claim 4, characterized in that: The piston member (4) comprises a piston body (41), the piston body (41) being slidably disposed in the cylinder (21), and a shaft rod (42) being installed at the end of the piston body (41), and the end of the shaft rod (42) away from the piston body (41) slides through the end of the cylinder (21) away from the recovery and cleaning box (1), and the shaft rod (42) is driven by the driving member (6) to push the piston body (41) to move back and forth in the cylinder (21).

6. The aluminum alloy recovery system according to claim 5, characterized in that: The rack member (5) comprises a rack body (51), a guide block (7) is installed at the bottom of the end of the cylinder (21) away from the recovery and cleaning box (1), a through sliding opening is opened in the guide block (7), the rack body (51) slides through the sliding opening and is meshed with the gear (33), an assembly rod (52) is installed at the end of the rack body (51), and the assembly rod (52) is driven by the driving member (6) to push the rack body (51) to move back and forth laterally.

7. An aluminum alloy recovery system according to claim 6, characterized in that: The driving member (6) comprises a first servo motor (61), an assembly frame (8) is mounted on the cylinder (21), the first servo motor (61) is mounted on the assembly frame (8), an output end of the first servo motor (61) is connected to a turntable (62), the bottom of the turntable (62) is rotatably connected to an eccentrically arranged connecting rod (63), an end of the connecting rod (63) away from the turntable (62) is rotatably sleeved with a U-shaped block (64), the U-shaped block (64) is connected to an end of the shaft rod (42) away from the piston body (41), and the top end of the assembly rod (52) is connected to the bottom of the U-shaped block (64).

8. The aluminum alloy recovery system according to claim 1, characterized in that: A second servo motor (10) is installed at the bottom of the recovery and cleaning box (1), and the output end of the second servo motor (10) is connected to a stirring paddle (9) located in the cleaning chamber.

9. The aluminum alloy recovery system according to claim 1, characterized in that: The bottom of the recovery and cleaning box (1) is connected to a drainage pipe (11) communicating with the cleaning chamber, and a valve body is installed on the drainage pipe (11).

10. A method for recycling aluminum alloy, characterized in that: The following steps are involved: Step 1: Place the workpiece to be recycled and cleaned into a recycling and cleaning box (1) and introduce clean water into it, and place an auxiliary cleaning agent into a material box (31); Step 2: The first servo motor (61) drives the turntable (62) to drive the connecting rod (63) to reciprocate in the circumferential direction. The end of the connecting rod (63) swings back and forth in the U-shaped block (64), and the piston body (41) is pushed to move back and forth in the cylinder body (21) through the shaft rod (42). The clean water in the cleaning chamber reciprocates in and out of the cylinder body (21) along the suction and discharge pipe (22). When the U-shaped block (64) moves back and forth with the shaft rod (42), the rack body (51) can be pushed to move left and right through the assembly rod (52). The gear (33) meshing with the rack body (51) rotates back and forth, and then the stirring plate (322) located in the material box (31) is driven to rotate back and forth through the rotating rod (321). The medicine in the material box (31) can be pushed into the discharge pipe (34) intermittently and reciprocally through the stirring plate (322), so that it enters the suction pipe (22) along the discharge pipe (34) and mixes with clean water. The mixed medicine liquid is pushed into the recovery cleaning box (1), quickly dispersed in the cleaning chamber, and fully contacts with the surface of the workpiece; Step 3: Using a second servo motor (10) to drive a stirring paddle (9) to stir the workpiece and the liquid, thereby further accelerating the removal of dirt from the surface of the workpiece; Step 4: drain the sewage in the cleaning chamber through the drain pipe (11), then take out the cleaned workpiece and recycle it for the next process.

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