Multi-stage spray cleaning device and method for automobile parts

Abstract

The invention discloses a multi-stage spray cleaning device and method for automobile parts, and belongs to the field of automobile part machining. A multi-stage spray cleaning device for automobile parts comprises an equipment main body and a main machine arranged on the equipment main body, and further comprises a transverse conveying mechanism arranged on the equipment main body, the bearing frames are placed on the transverse conveying mechanism, and a plurality of water permeable holes are formed in the bearing frames; the multiple water spraying assemblies are fixedly arranged on the equipment body at equal intervals and used for flushing the spare and accessory parts in the bearing frame; through a multi-stage alternate operation cleaning mode, the cleaning cleanliness is greatly improved, water stains and oil stains on the surfaces of the parts are prevented from affecting the washing effect, and in addition, damage to the parts can be reduced.

Description

Technical Field

[0001] This invention relates to the field of automotive parts processing technology, and in particular to a multi-stage spray cleaning device and method for automotive parts. Background Technology

[0002] During the machining, die-casting, and welding processes, automotive parts are prone to the adhesion of impurities such as cutting fluid residue, metal shavings, oil, and dust. These contaminants not only affect the processing quality of subsequent painting and assembly processes, but may also lead to corrosion failure of parts and reduce product lifespan.

[0003] Therefore, as a key pre-treatment step in the automotive parts production process, the cleaning efficiency, cleanliness, and environmental friendliness of the cleaning operation are directly related to the reliability and market competitiveness of the end products.

[0004] Currently, when cleaning automotive parts, manual rinsing or simply using equipment with spray nozzles is generally employed. Manual rinsing is less efficient. In addition, when using equipment with spray nozzles for single-stage cleaning, water droplets form on the surface of the parts after rinsing due to the presence of oil stains. This affects the direct flow of rinsing water onto the surface of the parts, which may affect the overall cleaning efficiency and make it impossible to effectively guarantee the cleanliness. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a multi-stage spray cleaning device for automotive parts that can overcome or at least partially solve the above problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A multi-stage spray cleaning device for automotive parts includes: a main body and a main unit mounted on the main body; a transverse conveying mechanism mounted on the main body; multiple support frames placed on the transverse conveying mechanism, each support frame having multiple water-permeable holes; multiple water spray components fixedly mounted at equal intervals on the main body for rinsing the parts within the support frames; and an air jet component mounted below the water spray components, wherein the air jet component sprays high-pressure gas onto the parts within the support frames, causing water droplets to fall off the surface, and then the parts are rinsed again by the next set of air jet components.

[0007] In a preferred embodiment of the present invention, the transverse conveying mechanism includes a motor fixedly mounted on the main body of the equipment, and multiple sets of gear sets are fixedly connected to the main body of the equipment. The output end of the motor is fixedly connected to one of the gear sets, and the multiple gear sets are connected to each other by chain drive. Multiple guide wheels are provided on the chain. The two ends of the bearing frame are symmetrically fixedly connected with overlapping plates. A guide frame corresponding to the overlapping plate is provided on the side of the main body of the equipment near the discharge end, and the guide frame is inclined.

[0008] In a preferred embodiment of the present invention, the water spraying assembly includes a second fixed pipe fixedly connected to the main body of the equipment, and a plurality of water spraying pipes are fixedly connected at equal intervals on both sides of the second fixed pipe. A high-pressure water pump is provided at the rear end of the main body of the equipment, and a water supply pipe is fixedly connected between the water supply end of the high-pressure water pump and the second fixed pipe.

[0009] In a preferred embodiment of the present invention, the jet assembly includes a first fixed pipe fixedly disposed on a second fixed pipe, an air pump is fixedly connected to the rear end of the main body of the device, a plurality of jet pipes are fixedly connected at equal intervals to the lower end of the first fixed pipe, and an air supply pipe is fixedly connected between the first fixed pipe and the exhaust end of the air pump.

[0010] In a preferred embodiment of the present invention, a water receiving trough is fixedly connected inside the main body of the device, and the water receiving trough is located directly below the support frame. The water receiving trough is used to receive water flowing out of the support frame, and a first filter plate is fixedly connected inside the water receiving trough. A water storage tank is provided on the lower side of the main body of the device, and a second filter plate is fixedly connected inside the water storage tank. A drain pipe for guiding water into the water storage tank is provided at the lower end of the water receiving trough.

[0011] In a preferred embodiment of the present invention, a filter is fixedly connected to the side of the main body of the device near the high-pressure water pump, a sealing cover is detachably connected to the top of the filter, a filter cylinder is detachably connected inside the filter, a water pumping pipe is fixedly connected between the lower end of the filter and the water storage tank, and a connecting pipe is fixedly connected between the side of the filter near the upper end and the water pumping end of the high-pressure water pump.

[0012] In a preferred embodiment of the present invention, an isolation cloth is fixedly connected inside the water storage tank, and the isolation cloth is disposed on the lower side of the second filter plate, the isolation cloth being used to reduce water flow impact.

[0013] In a preferred embodiment of the present invention, an isolation plate is fixedly connected inside the water storage tank. The isolation plate is disposed on the lower side of the isolation cloth, and there is a first gap between one end of the isolation plate and the side wall of the water storage tank. The second filter plate is inclined in a direction away from the first gap, and the water leakage pipe is disposed on the side close to the first gap.

[0014] In a preferred embodiment of the present invention, a first oil-separating plate, a second oil-separating plate, and a third oil-separating plate are sequentially fixedly connected to the lower side of the isolation plate. The lower end of the first oil-separating plate has a flow channel, the upper end of the second oil-separating plate has a flow channel, and a connecting pipe is fixedly connected to the lower side of the third oil-separating plate. A flow-limiting valve is installed inside the connecting pipe. A first cavity is provided between the first oil-separating plate and the water storage tank, a second cavity is provided between the first oil-separating plate and the second oil-separating plate, and a buffer cavity is provided between the second oil-separating plate and the third oil-separating plate. A drain pipe corresponding to the first cavity is provided on one side of the water storage tank.

[0015] A multi-stage spray cleaning method for automotive parts mainly includes the following steps: Step 1: Place the processed parts to be cleaned into the carrying frame; Step 2: Place the carrier frame containing the parts onto the conveyor mechanism for horizontal transport; Step 3: While the material is being conveyed horizontally, it is being high-pressure rinsed using a water spray system. Step 4: While rinsing with the water spray assembly, the air jet assembly impacts the parts to blow away the water droplets on the surface, and then the parts are rinsed again with the next set of water spray assemblies.

[0016] Compared with the prior art, the present invention provides a multi-stage spray cleaning device for automotive parts, which has the following advantages: 1. This multi-stage spray cleaning device for automotive parts uses a transverse conveyor mechanism to continuously move a carrier frame horizontally. The carrier frame allows for bidirectional flow of water and air through permeable holes. Multiple equidistantly arranged water spray components are activated along the conveyor path, spraying high-pressure cleaning water onto the parts within the carrier frame to remove surface oil and impurities. Simultaneously, the air jet components below each water spray component work to spray high-pressure gas onto the parts, using the airflow impact force to blow off water droplets adhering to the surface, preventing water stains from remaining. This also creates a clean rinsing foundation for the next stage of water spray components. Through the multi-stage alternating mode of "spraying-air blowing," progressive deep cleaning is achieved. Compared to manual cleaning, the mechanical assembly line method improves efficiency. In addition, the multi-stage alternating operation mode significantly improves the cleaning cleanliness, preventing water stains and oil stains on the surface of the parts from affecting the rinsing effect.

[0017] 2. This multi-stage spray cleaning device for automotive parts, after the motor starts, transmits the driving force to the gear set fixed to it. The gear sets are synchronously driven by the chain. The carrier frame is placed on the chain through the overlapping plates at both ends and is smoothly conveyed by the chain. When the carrier frame moves to the discharge end, the overlapping plate contacts the inclined guide frame. Under the combined action of gravity and conveying force, the parts slide down the guide frame and are discharged, completing the conveying closed loop. The horizontal conveying method reduces the shaking and mutual collision and friction of the parts in the carrier frame, minimizing damage to the parts.

[0018] 3. This multi-stage spray cleaning device for automotive parts draws water from the pump end, pressurizes it, and then delivers high-pressure water to the second fixed pipe via the supply pipe. The second fixed pipe acts as a distributor, evenly distributing the high-pressure water to multiple spray pipes equidistantly arranged on both sides. The spray pipes spray high-pressure water towards the parts within the support frame, using the impact force of the water flow to remove stubborn impurities and oil stains adhering to the surface. The multiple spray pipes form a full-coverage spray area, ensuring that all surfaces of the parts are rinsed. Then, after the air pump is started, it generates high-pressure gas, which is delivered to the first stage through the air supply pipe via the exhaust end. A fixed pipe is installed on top of a second fixed pipe, integrating the jet and water spray components. High-pressure gas is diverted through the first fixed pipe to multiple jet pipes arranged at equal intervals at the lower end. The jet pipes spray high-pressure airflow directionally onto the parts in the lower support frame. The shearing and impact forces of the airflow quickly blow off the water droplets adhering to the surface of the parts, while also carrying away residual fine impurities, clearing obstacles for the next stage of spray cleaning. Each group of water spray pipes is installed on both sides of the jet pipes, forming a combined cleaning system that can effectively improve the cleaning efficiency and cleanliness of the parts.

[0019] The parts not covered in this device are the same as or can be implemented using existing technologies. This invention significantly improves the cleanliness of the cleaning process through a multi-stage alternating cleaning mode, avoids water and oil stains on the surface of parts from affecting the rinsing effect, and can also reduce damage to parts. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ; Figure 3 This is a partial structural diagram of the present invention. Figure 1 ; Figure 4 This is a partial structural diagram of the present invention. Figure 2 ; Figure 5 This is the front view of the present invention; Figure 6This is a partial structural diagram of the present invention. Figure 3 ; Figure 7 This is a cross-sectional schematic diagram of the present invention; Figure 8 This is a cross-sectional schematic diagram of the filter in this invention.

[0021] In the diagram: 1. Main body of the equipment; 101. Main unit; 102. Motor; 103. Gear set; 104. Chain; 105. Guide wheel; 106. Guide frame; 2. First fixed pipe; 201. Jet pipe; 202. Air pump; 203. Air supply pipe; 3. Bearing frame; 301. Water permeable hole; 302. Overlap plate; 4. Water receiving tank; 401. First filter plate; 402. Leakage pipe; 5. Water storage tank; 501. Second filter plate; 502. Isolation cloth; 503. Isolation plate; 504, First gap; 505, First oil separator; 506, Second oil separator; 507, Third oil separator; 508, Connecting pipe; 509, Flow limiting valve; 510, First cavity; 511, Second cavity; 512, Buffer cavity; 513, Sewage pipe; 6, Second fixed pipe; 601, Spray pipe; 602, Water supply pipe; 603, High-pressure water pump; 604, Connecting pipe; 605, Filter; 606, Pumping pipe; 607, Sealing cap; 608, Filter cartridge. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0023] Example: Refer to Figures 1-8 A multi-stage spray cleaning device for automotive parts includes: a main body 1 and a main unit 101 mounted on the main body 1; a transverse conveying mechanism mounted on the main body 1; multiple carrier frames 3 placed on the transverse conveying mechanism, each carrier frame 3 having multiple water-permeable holes 301; multiple water spray components fixedly mounted at equal intervals on the main body 1 for rinsing the parts within the carrier frames 3; and an air jet component mounted below the water spray components, wherein the air jet component sprays high-pressure gas onto the parts within the carrier frames 3 to cause water droplets to fall off, and then the parts are rinsed again by the next set of air jet components.

[0024] In a specific implementation, the transverse conveying mechanism drives the bearing frame 3 to move continuously in the horizontal direction. The bearing frame 3 achieves bidirectional flow of water and air through the water-permeable hole 301. Multiple equidistantly arranged water spraying components are activated along the conveying path to spray high-pressure cleaning water into the parts inside the bearing frame 3 to remove surface oil and impurities. The jetting components below each water spray unit work synchronously, spraying high-pressure gas onto the parts. The airflow impact force blows off the water droplets adhering to the surface, preventing water stains from remaining. At the same time, it creates a clean rinsing foundation for the next water spray unit. Through the multi-stage alternating mode of "spraying-air blowing", progressive deep cleaning is achieved. The mechanical assembly line method improves efficiency compared to manual cleaning. In addition, the multi-stage alternating operation mode greatly improves the cleanliness and prevents water stains and oil stains on the surface of the parts from affecting the rinsing effect.

[0025] In a preferred embodiment, in order to facilitate the conveying of parts within the bearing frame 3, the transverse conveying mechanism includes a motor 102 fixedly mounted on the main body 1 of the equipment, and multiple sets of gear sets 103 are fixedly connected to the main body 1 of the equipment. The output end of the motor 102 is fixedly connected to one of the gear sets 103, and the multiple gear sets 103 are connected by a chain 104. Multiple guide wheels 105 are provided on the chain 104. The two ends of the bearing frame 3 are symmetrically fixedly connected with overlapping plates 302. A guide frame 106 corresponding to the overlapping plate 302 is provided on the side of the main body 1 near the discharge end, and the guide frame 106 is inclined.

[0026] After the motor 102 starts, the driving force is transmitted to the gear set 103 fixed to it. The multiple gear sets 103 are synchronously driven through the chain 104. The carrying frame 3 is placed on the chain 104 through the overlapping plates 302 at both ends. It is smoothly conveyed by the chain 104. When the carrying frame 3 moves to the discharge end, the overlapping plate 302 contacts the inclined guide frame 106. Under the combined action of gravity and conveying force, it slides down the guide frame 106 to discharge, completing the conveying closed loop. The horizontal conveying method reduces the shaking and mutual collision and friction of the parts in the carrying frame 3, and minimizes the damage to the parts.

[0027] In the specific process of multi-stage cyclic cleaning, the following implementation method can be adopted: the water spraying assembly includes a second fixed pipe 6 fixedly connected to the main body 1 of the equipment, and multiple water spraying pipes 601 are fixedly connected at equal intervals on both sides of the second fixed pipe 6. A high-pressure water pump 603 is provided at the rear end of the main body 1, and a water supply pipe 602 is fixedly connected between the water supply end of the high-pressure water pump 603 and the second fixed pipe 6.

[0028] The jet assembly includes a first fixed pipe 2 fixedly mounted on a second fixed pipe 6, an air pump 202 fixedly connected to the rear end of the main body 1, a plurality of jet pipes 201 fixedly connected at equal intervals to the lower end of the first fixed pipe 2, and an air supply pipe 203 fixedly connected between the first fixed pipe 2 and the exhaust end of the air pump 202.

[0029] After the high-pressure water pump 603 starts, it draws water from the pumping end, pressurizes it, and then delivers the high-pressure water to the second fixed pipe 6 through the supply pipe 602. The second fixed pipe 6 acts as a diversion carrier, evenly distributing the high-pressure water to multiple spray pipes 601 arranged at equal intervals on both sides. The spray pipes 601 spray high-pressure water towards the parts inside the support frame 3, using the impact force of the water flow to peel off stubborn impurities and oil stains attached to the surface. The multiple spray pipes 601 form a full-coverage spray area, ensuring that all surfaces of the parts are rinsed. Then, after the air pump 202 starts, it generates high-pressure gas, which is delivered to the first air supply pipe 203 through the exhaust end. The first fixed pipe 2 is fixed to the second fixed pipe 6, realizing the integrated installation of the jet assembly and the water spray assembly. The high-pressure gas is diverted through the first fixed pipe 2 to multiple jet pipes 201 arranged at equal intervals at the lower end. The jet pipes 201 spray high-pressure airflow in a directional manner onto the parts in the lower support frame 3. The shearing force and impact force of the airflow are used to quickly blow off the water droplets attached to the surface of the parts, while carrying away residual fine impurities, clearing obstacles for the next stage of spray cleaning. Each group of water spray pipes 601 is installed on both sides of the jet pipes 201 to form a combined cleaning, which can effectively improve the cleaning efficiency and cleanliness of the parts.

[0030] To facilitate water collection, the following implementation method can be adopted: a water receiving tank 4 is fixedly connected inside the main body 1 of the equipment, and the water receiving tank 4 is located directly below the support frame 3. The water receiving tank 4 is used to receive water flowing out of the support frame 3, and a first filter plate 401 is fixedly connected inside the water receiving tank 4. A water storage tank 5 is provided on the lower side of the main body 1, and a second filter plate 501 is fixedly connected inside the water storage tank 5. A drain pipe 402 for guiding water into the water storage tank 5 is provided at the lower end of the water receiving tank 4.

[0031] After the cleaning water passes through the permeable holes 301 of the support frame 3, it falls into the water receiving tank 4 directly below for centralized collection. The water first passes through the first filter plate 401 in the water receiving tank 4 to intercept larger particles of impurities. The water after preliminary filtration is introduced into the water storage tank 5 through the drain pipe 402 at the lower end of the water receiving tank 4. After entering the water storage tank 5, it is filtered again by the second filter plate 501 to remove smaller particles of impurities. This achieves two-stage preliminary purification of the cleaning water, laying the foundation for subsequent water recycling and effectively avoiding the waste of water resources.

[0032] To facilitate the recycling of water resources, the following implementation method can be adopted: A filter 605 is fixedly connected to the side of the main body 1 near the high-pressure water pump 603. A sealing cover 607 is detachably connected to the top of the filter 605. A filter cylinder 608 is detachably connected inside the filter 605. A water pumping pipe 606 is fixedly connected between the lower end of the filter 605 and the water storage tank 5. A connecting pipe 604 is fixedly connected between the side of the filter 605 near the upper end and the water pumping end of the high-pressure water pump 603.

[0033] Water that has undergone two stages of filtration in the water storage tank 5 is introduced into the filter 605 through the water pump 606. After entering the filter 605, the water flows through the detachable filter cartridge 608, which performs deep purification of the water flow, removing residual fine impurities, oil particles, etc. The clean water after deep filtration is transported to the pump end of the high-pressure water pump 603 through the connecting pipe 604. After being pressurized again, it is used for spray cleaning, forming a closed-loop water circulation. The sealing cover 607 is designed to be detachable, which makes it easy to open the filter 605 periodically to clean or replace the internal filter cartridge 608. The filter cartridge 605 can be made of sand or gravel filtration, but is not limited to sand filtration.

[0034] In a preferred embodiment, in order to separate oil from water, the following implementation method can be adopted: a separation cloth 502 is fixedly connected inside the water storage tank 5, and the separation cloth 502 is disposed on the lower side of the second filter plate 501. The separation cloth 502 is used to reduce the impact of water flow.

[0035] An isolation plate 503 is fixedly connected inside the water storage tank 5. The isolation plate 503 is located on the lower side of the isolation cloth 502, and there is a first gap 504 between one end of the isolation plate 503 and the side wall of the water storage tank 5. The second filter plate 501 is inclined in a direction away from the first gap 504, and the water leakage pipe 402 is located on the side close to the first gap 504.

[0036] The lower side of the isolation plate 503 is sequentially fixedly connected to a first oil separator 505, a second oil separator 506, and a third oil separator 507. The lower end of the first oil separator 505 has a flow channel, the upper end of the second oil separator 506 has a flow channel, and the lower side of the third oil separator 507 is fixedly connected to a connecting pipe 508. A flow limiting valve 509 is installed in the connecting pipe 508. A first cavity 510 is provided between the first oil separator 505 and the water storage tank 5. A second cavity 511 is provided between the first oil separator 505 and the second oil separator 506. A buffer cavity 512 is provided between the second oil separator 506 and the third oil separator 507. A drain pipe 513 corresponding to the first cavity 510 is provided on one side of the water storage tank 5.

[0037] The water filtered by the second filter plate 501 inside the water storage tank 5 falls downwards onto the isolation cloth 502. The isolation cloth 502 is made of flexible material, utilizing its buffering properties to disperse the impact force of the water flow and prevent the water flow from directly impacting the water inside the water storage tank 5. This allows oil in the water to float naturally, removing oil stains from the water. After being buffered by the isolation cloth 502, the water flows into the area above the isolation plate 503. Since the isolation plate 503 forms a first gap 504 with the side wall of the water storage tank 5 at only one end, the water flow can only flow downwards through this gap, forming a directional water flow channel. The directional flow extends the path of the water flow inside the water storage tank 5. The water flow below the isolation plate 503 first enters the first cavity 510. Since there is a flow channel at the lower end of the first oil-separating plate 505, the water flow enters the second cavity 511 through the channel. During the process, oily substances float on the water surface because their density is less than that of water. The upper end of the second oil separator 506 has a flow channel, and the water overflows from the upper end into the buffer chamber 512. The connecting pipe 508 on the lower side of the third oil separator 507 is equipped with a flow limiting valve 509 to control the water flow speed and keep the water flow in the buffer chamber 512 stable. During this flow, the oil in the water will be stored in the first chamber 510 under the action of buoyancy. In addition, even if a small amount of oil stains enter the second chamber 511, they will float on the upper side of the second chamber 511 and the buffer chamber 512. After a period of use, the oil stains can be discharged through the drain pipe 513. Therefore, the design of multiple oil separators achieves oil-water separation, prevents oil stains from entering the circulation system, and effectively improves the efficiency and cleanliness of cleaning parts.

[0038] The second filter plate 501 is set at an angle. On the one hand, the water flow can flush some impurities to the inclined side, preventing impurities from clogging the second filter plate 501. The setting of the first filter plate 401, together with the water pipe 402 set on one side of the feed end of the main body 1, can make the more impurities washed out in the first rinse flow down quickly and avoid accumulation.

[0039] In specific flushing operations, the following implementation method can be adopted: the high-pressure water pump 603 and the air pump 202 operate alternately. On the one hand, this can avoid the airflow flushing from affecting the water flow flushing. On the other hand, it can make the water in the water storage tank 5 have a certain slow flow effect, avoiding the large amount of water entering and causing the water flow to be too fast, which would affect the oil-water separation.

[0040] A multi-stage spray cleaning method for automotive parts mainly includes the following steps: Step 1: Place the processed parts to be cleaned into the support frame 3; Step 2: Place the carrier frame 3 containing the spare parts onto the conveying mechanism for horizontal transport; Step 3: While the material is being conveyed horizontally, it is being high-pressure rinsed using a water spray system. Step 4: While rinsing with the water spray assembly, the air jet assembly impacts the parts to blow away the water droplets on the surface, and then the parts are rinsed again with the next set of water spray assemblies.

[0041] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A multi-stage spray cleaning device for automotive parts, comprising: The device body (1) and the host (101) disposed on the device body (1) are characterized in that they further include: A transverse conveying mechanism is provided on the main body of the equipment (1); Multiple carrier frames (3) are placed on the transverse conveying mechanism, and multiple water-permeable holes (301) are provided on the carrier frames (3). Multiple water spray components are fixedly arranged at equal intervals on the main body of the equipment (1) for rinsing the parts inside the support frame (3); A jet assembly is disposed on the lower side of the water spray assembly, wherein the jet assembly is used to spray high-pressure gas into the parts in the support frame (3) to cause water droplets on the surface to fall off, and then be rinsed again by the next set of jet assemblies.

2. The multi-stage spray cleaning device for automotive parts according to claim 1, characterized in that, The transverse conveying mechanism includes a motor (102) fixedly mounted on the main body (1) of the equipment, and multiple sets of gears (103) are fixedly connected to the main body (1). The output end of the motor (102) is fixedly connected to one of the gears (103). The multiple gears (103) are connected to each other by a chain (104). Multiple guide wheels (105) are provided on the chain (104). The two ends of the bearing frame (3) are symmetrically fixedly connected with overlapping plates (302). A guide frame (106) corresponding to the overlapping plate (302) is provided on the side of the main body (1) near the discharge end, and the guide frame (106) is inclined.

3. The multi-stage spray cleaning device for automotive parts according to claim 1, characterized in that, The water spray assembly includes a second fixed pipe (6) fixedly connected to the main body of the equipment (1). Multiple water spray pipes (601) are fixedly connected at equal intervals on both sides of the second fixed pipe (6). A high-pressure water pump (603) is provided at the rear end of the main body of the equipment (1). A water supply pipe (602) is fixedly connected between the water supply end of the high-pressure water pump (603) and the second fixed pipe (6).

4. The multi-stage spray cleaning device for automotive parts according to claim 3, characterized in that, The jet assembly includes a first fixed pipe (2) fixedly installed on the second fixed pipe (6), an air pump (202) fixedly connected to the rear end of the main body (1), a plurality of jet pipes (201) fixedly connected at equal intervals at the lower end of the first fixed pipe (2), and an air supply pipe (203) fixedly connected between the first fixed pipe (2) and the exhaust end of the air pump (202).

5. A multi-stage spray cleaning device for automotive parts according to claim 3, characterized in that, A water receiving trough (4) is fixedly connected inside the main body (1) of the equipment, and the water receiving trough (4) is located directly below the support frame (3). The water receiving trough (4) is used to receive water flowing out of the support frame (3), and a first filter plate (401) is fixedly connected inside the water receiving trough (4). A water storage tank (5) is provided on the lower side of the main body (1), and a second filter plate (501) is fixedly connected inside the water storage tank (5). A drain pipe (402) for guiding water into the water storage tank (5) is provided at the lower end of the water receiving trough (4).

6. The multi-stage spray cleaning device for automotive parts according to claim 5, characterized in that, A filter (605) is fixedly connected to the side of the main body (1) of the equipment near the high-pressure water pump (603). A sealing cover (607) is detachably connected to the top of the filter (605). A filter cylinder (608) is detachably connected inside the filter (605). A water pumping pipe (606) is fixedly connected between the lower end of the filter (605) and the water storage tank (5). A connecting pipe (604) is fixedly connected between the side of the filter (605) near the upper end and the water pumping end of the high-pressure water pump (603).

7. A multi-stage spray cleaning device for automotive parts according to claim 6, characterized in that, An isolation cloth (502) is fixedly connected inside the water storage tank (5), and the isolation cloth (502) is located on the lower side of the second filter plate (501). The isolation cloth (502) is used to reduce the impact of water flow.

8. A multi-stage spray cleaning device for automotive parts according to claim 7, characterized in that, An isolation plate (503) is fixedly connected inside the water storage tank (5). The isolation plate (503) is located on the lower side of the isolation cloth (502), and there is a first gap (504) between one end of the isolation plate (503) and the side wall of the water storage tank (5). The second filter plate (501) is inclined away from the first gap (504), and the water leakage pipe (402) is located on the side close to the first gap (504).

9. A multi-stage spray cleaning device for automotive parts according to claim 8, characterized in that, The lower side of the isolation plate (503) is fixedly connected to a first oil separator (505), a second oil separator (506), and a third oil separator (507). The lower end of the first oil separator (505) has a flow channel, and the upper end of the second oil separator (506) has a flow channel. The lower side of the third oil separator (507) is fixedly connected to a connecting pipe (508). A flow limiting valve (509) is installed in the connecting pipe (508). A first cavity (510) is provided between the first oil separator (505) and the water storage tank (5). A second cavity (511) is provided between the first oil separator (505) and the second oil separator (506). A buffer cavity (512) is provided between the second oil separator (506) and the third oil separator (507). A drain pipe (513) corresponding to the first cavity (510) is provided on one side of the water storage tank (5).

10. A multi-stage spray cleaning method for automotive parts, employing the multi-stage spray cleaning device for automotive parts as described in any one of claims 1-9, characterized in that, The main steps include: Step 1: Place the processed parts to be cleaned into the support frame (3); Step 2: Place the carrier frame (3) containing the spare parts onto the conveying mechanism for horizontal conveying; Step 3: While the material is being conveyed horizontally, it is being high-pressure rinsed using a water spray system. Step 4: While rinsing with the water spray assembly, the air jet assembly impacts the parts to blow away the water droplets on the surface, and then the parts are rinsed again with the next set of water spray assemblies.

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