A spray cleaning device for a part to be sprayed

Abstract

The utility model provides a kind of to be sprayed piece's spray cleaning device, it is related to spray cleaning device technical field, specifically including base, the corresponding two sides of base are fixedly installed with side plate, the side of two side plates mutually close is provided with U type sliding block and water delivery pipe, two U type sliding blocks are inserted into the inside of two side plates respectively and with its sliding connection, the outside of two water delivery pipes is provided with first fixed base and second fixed base.The first servo motor of the present application drives gear rotation, gear and water delivery pipe outside tooth engage and drive water delivery pipe rotation, cooperate T type pipe and the rotary connection structure of water delivery pipe, so that water delivery pipe can rotate around T type pipe flexibly, and then adjust the spray angle of spray head, so that the device can be according to the shape, size and pollution distribution of to be sprayed piece, accurately adjust spray head angle, ensure that high-pressure cleaning water can cover the top surface, side and gap area of to be sprayed piece, thoroughly eliminate cleaning dead angle.

Description

Technical Field

[0001] This utility model relates to the technical field of spray cleaning devices, specifically a spray cleaning device for parts to be sprayed. Background Technology

[0002] The surface cleanliness of the parts to be coated before application directly determines the coating adhesion and product lifespan. Spray cleaning has become the mainstream pretreatment method due to its high efficiency and wide applicability. Currently, spray cleaning equipment in the industry mainly consists of a cleaning tank, spray pipe assembly, water pump, and conveying mechanism. Its working principle is to pressurize the water pump and deliver the cleaning fluid to the spray pipe, where it is sprayed by nozzles to form a high-pressure water jet that impacts the surface of the workpiece, removing impurities such as oil, dust, and oxide scale.

[0003] Chinese Patent Publication No. CN221657343U discloses a spray cleaning device for parts to be coated. The top of the spray chamber is equipped with a slide rail extending from both sides of the chamber. Multiple traveling mechanisms are slidably mounted on the slide rail, and a top plate is connected to the bottom of each traveling mechanism. A suspension mechanism is located on one side of the bottom of the top plate, suspending the parts to be coated. A waterproof functional block is located on the other side of the bottom of the top plate, and the bottom of the waterproof functional block is connected to the lower side wall of the parts to be coated via a winding rope. In this invention, the suspension mechanism allows the parts to be coated to be suspended, and the slide rail and traveling mechanisms allow the suspended parts to pass through the spray chamber for cleaning. During cleaning, the waterproof functional block and winding rope lift the bottom surface of the parts to be coated, allowing for spray cleaning of the bottom surface and thus improving the cleaning quality.

[0004] In the prior art, during the use of a spray cleaning device for parts to be coated, cleaning is carried out by the passive movement of the parts to be coated through the spray chamber along with the traveling mechanism. In this passive cleaning mode, the spray direction of the spray water is fixed, which is difficult to adapt to parts of different shapes and sizes, such as the recesses, corners and gaps of the workpiece, where stains are easily left because the spray water cannot reach them. Therefore, we have made an improvement and proposed a spray cleaning device for parts to be coated. Utility Model Content

[0005] The purpose of this invention is to address the problem that the current spray cleaning device for parts to be coated has limited cleaning angle and coverage, and is prone to leaving cleaning dead corners.

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

[0007] A spray cleaning device for parts to be coated, which uses a first servo motor to drive gears and rotate water pipes, can actively adjust the spray angle of the nozzle to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] A spray cleaning device for a workpiece to be coated includes a base, with side plates fixedly installed on opposite sides of the base. U-shaped sliders and water pipes are provided on the side of each side plate that is close to each other. The two U-shaped sliders are inserted into and slidably connected to the two side plates. A first fixed seat and a second fixed seat are provided on the outer sides of each water pipe. The two first fixed seats and the second fixed seat are fixedly connected to the two U-shaped sliders. A first servo motor is fixedly installed inside each of the two first fixed seats. Gears are fixedly installed at the output ends of the two first servo motors and are rotatably connected to the first fixed seats. Several teeth are fixedly installed on the outer sides of the two water pipes, and the gears mesh with these teeth. The gears are rotatably connected to the first fixed seats. A T-shaped tube is provided on one side of each water pipe and passes through and is rotatably connected to one side of the water pipe. Several nozzles are fixedly installed on the side of each water pipe that is close to each other. Water channels that mate with the nozzles are provided on each of the two water pipes.

[0010] As a preferred technical solution of this application, the two first fixing seats and the two second fixing seats are respectively inserted into the interior of the two side plates and slidably connected thereto. Limiting blocks are fixedly installed on the side of the two water pipes that are close to each other, and the two limiting blocks are slidably connected to the two second fixing seats respectively.

[0011] As a preferred technical solution of this application, water tanks are fixedly installed on both sides of the base. L-shaped pipes are provided on the top of the two water tanks. The two L-shaped pipes pass through the two side plates and are slidably connected to them. The two L-shaped pipes are inserted into the interior of the two water tanks and are slidably connected to them. The ends of the two L-shaped pipes away from the water tanks are fixedly connected to the two T-shaped pipes. Pumps are fixedly installed at the bottom ends of the two L-shaped pipes.

[0012] As a preferred technical solution of this application, a second servo motor is fixedly installed inside each of the two side plates, and a worm gear is fixedly installed at the output end of each of the two second servo motors. Two worm wheels mesh with the outer sides of each of the two worm gears, and the worm wheels are rotatably connected to the side plates. Two threaded rods are provided inside each of the two U-shaped sliders. The two threaded rods pass through the U-shaped sliders and are threadedly connected to them. Several threaded rods are rotatably connected to the two side plates respectively, and several threaded rods are fixedly connected to several worm wheels respectively.

[0013] As a preferred technical solution of this application, triangular blocks are fixedly installed on both sides of the top of the side plate, and the two sides of the two triangular blocks are respectively fixedly connected to the two side plates. Two slots are opened on one of the triangular blocks, and two grooves that cooperate with the slots are opened on the top of the base.

[0014] As a preferred technical solution of this application, a controller is embedded in one side of the base. The controller is electrically connected to the first servo motor and the second servo motor. The top of the inner wall of the base is inclined. A feeding pipe is fixedly installed on one side of the base, and a feeding groove that cooperates with the feeding pipe is opened on the base. The two slots are connected to the feeding groove.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] In the scheme of this application:

[0017] (1) The gear is driven to rotate by the first servo motor. The gear meshes with the outer teeth of the water pipe to drive the water pipe to rotate. With the rotation connection structure between the T-shaped pipe and the water pipe, the water pipe can rotate flexibly around the T-shaped pipe, thereby adjusting the spray angle of the nozzle. The device can accurately adjust the nozzle angle according to the shape, size and contamination distribution of the part to be sprayed, ensuring that the high-pressure cleaning water can cover the top surface, sides and gaps of the part to be sprayed, and completely eliminate cleaning dead angles.

[0018] (2) The second servo motor drives the worm gear-worm wheel-threaded rod transmission to drive the U-shaped slider and water pipe to move laterally, thereby realizing the precise adjustment of the water pipe spacing, solving the limitation of the traditional device that "can only clean fixed-size workpieces", and improving the versatility of the device. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a frontal cross-sectional view of the present invention.

[0021] Figure 3 This is a top view sectional structural diagram of the present invention;

[0022] Figure 4 This is an exploded view of a partial structure of this utility model.

[0023] Instruction manual drawing reference numerals: 1. Base; 2. Side plate; 3. Triangular block; 4. U-shaped slider; 5. First fixed seat; 6. Water supply pipe; 7. First servo motor; 8. Gear; 9. Tooth; 10. Limiting block; 11. Nozzle; 12. Water tank; 13. L-shaped pipe; 14. T-shaped pipe; 15. Second servo motor; 16. Worm gear; 17. Threaded rod; 18. Worm; 19. Slot; 20. Controller; 21. Second fixed seat. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] Example 1: Please refer to the appendix of the instruction manual. Figure 1-4. A spray cleaning device for parts to be coated includes a base 1. Side plates 2 are fixedly installed on opposite sides of the base 1. U-shaped sliders 4 and water pipes 6 are provided on the side of the two side plates 2 that are close to each other. The two U-shaped sliders 4 are respectively inserted into the interior of the two side plates 2 and slidably connected thereto. A first fixing seat 5 and a second fixing seat 21 are provided on the outer side of the two water pipes 6. The two first fixing seats 5 and the second fixing seat 21 are respectively fixedly connected to the two U-shaped sliders 4. A first servo motor 7 is fixedly installed inside the two first fixing seats 5. Gears 8 are fixedly installed at the output ends of the two first servo motors 7, and the gears 8 are rotatably connected to the first fixed base 5. Several teeth 9 are fixedly installed on the outer side of the two water supply pipes 6, and the gears 8 mesh with the several teeth 9. The gears 8 are rotatably connected to the first fixed base 5. A T-shaped pipe 14 is provided on one side of each of the two water supply pipes 6, and the T-shaped pipe 14 passes through one side of the water supply pipe 6 and is rotatably connected to it. Several nozzles 11 are fixedly installed on the side of the two water supply pipes 6 that are close to each other. Water supply grooves that cooperate with the several nozzles 11 are opened on the two water supply pipes 6.

[0031] In this embodiment of the utility model, when the device is started and the spray angle of the nozzle 11 needs to be adjusted, the controller 20 sends a control signal to the first servo motor 7. After receiving the signal, the first servo motor 7 starts to run, and its output end drives the gear 8 to rotate around its own axis. Since the gear 8 meshes with the teeth 9 on the outside of the water pipe 6, the rotation of the gear 8 will be converted into the linear motion of the teeth 9, thereby driving the water pipe 6 to rotate around the connection point between the T-shaped pipe 14 and the water pipe 6.

[0032] During the rotation of the water supply pipe 6, the T-shaped pipe 14 remains fixed by the sealed bearing, continuously supplying cleaning water into the water supply pipe 6. After entering the water supply pipe 6, the cleaning water is distributed to each nozzle 11 through the internal water supply tank, and finally sprayed onto the surface of the workpiece in the form of high-pressure atomization by the nozzle 11 to achieve the cleaning operation of the workpiece. By controlling the forward and reverse rotation of the first servo motor 7, the water supply pipe 6 can be driven to rotate clockwise or counterclockwise, thereby adjusting the spray angle of the nozzle 11 to meet the cleaning needs of different workpieces.

[0033] In this embodiment of the invention, the gear transmission mechanism of the first servo motor 7, gear 8, and teeth 9 enables precise adjustment of the spray angle of the water supply pipe 6 and the nozzle 11. Compared with traditional fixed-angle cleaning devices, the cleaning angle can be flexibly adjusted according to the shape, size, and degree of contamination of the part to be sprayed, ensuring that all parts of the part to be sprayed are effectively cleaned and improving the cleaning coverage. At the same time, the nozzle 11 adopts a high-pressure atomizing nozzle 11, which, together with the angle adjustment function of the water supply pipe 6, allows the cleaning water to be sprayed onto the surface of the part to be sprayed in a high-pressure and uniform atomized state. This not only enhances the cleaning impact but also expands the cleaning range, effectively removing oil, dust, and other impurities from the surface of the part to be sprayed, significantly improving cleaning efficiency and shortening cleaning time.

[0034] The first fixed seat 5 and the second fixed seat 21 provide stable support for the water pipe 6. At the same time, the gear 8 is rotatably connected to the first fixed seat 5 through the bearing, which ensures the stability of the gear transmission process and avoids problems such as shaking or displacement of the water pipe 6 during rotation or cleaning, thus ensuring the long-term stable operation of the device.

[0035] Example 2: Please refer to the appendix of the instruction manual. Figure 1 -4. In a preferred embodiment of this utility model, the two first fixing seats 5 and the second fixing seats 21 are respectively inserted into the interior of the two side plates 2 and slidably connected thereto. Limiting blocks 10 are fixedly installed on the side of the two water pipes 6 that are close to each other. The two limiting blocks 10 are slidably connected to the two second fixing seats 21 respectively. The limiting water pipes 6 can rotate 90 degrees in the clockwise and counterclockwise directions.

[0036] Water tanks 12 are fixedly installed on both sides of the base 1. L-shaped pipes 13 are provided on the top of the two water tanks 12. The two L-shaped pipes 13 pass through the two side plates 2 and are slidably connected to them. The two L-shaped pipes 13 are inserted into the interior of the two water tanks 12 and are slidably connected to them. The ends of the two L-shaped pipes 13 away from the water tanks 12 are fixedly connected to the two T-shaped pipes 14. Pumps are fixedly installed at the bottom of the two L-shaped pipes 13.

[0037] A second servo motor 15 is fixedly installed inside each of the two side plates 2. A worm gear 18 is fixedly installed at the output end of each of the two second servo motors 15. Two worm wheels 16 are meshed on the outer side of each of the two worm gears 18, and the worm wheels 16 are rotatably connected to the side plates 2. Two threaded rods 17 are provided inside each of the two U-shaped sliders 4. The two threaded rods 17 pass through the U-shaped sliders 4 and are threadedly connected to them. Several threaded rods 17 are rotatably connected to the two side plates 2 respectively, and several threaded rods 17 are fixedly connected to several worm wheels 16 respectively.

[0038] Triangular blocks 3 are fixedly installed on both sides of the top of the side plate 2. The two sides of the two triangular blocks 3 are respectively fixedly connected to the two side plates 2. Two slots 19 are opened on one of the triangular blocks 3, and two grooves that cooperate with the slots 19 are opened on the top of the base 1.

[0039] A controller 20 is embedded on one side of the base 1. The controller 20 is electrically connected to the first servo motor 7 and the second servo motor 15. The top of the inner wall of the base 1 is inclined. A feeding pipe is fixedly installed on one side of the base 1, and a feeding groove that cooperates with the feeding pipe is opened on the base 1. Two slots 19 are connected to the feeding groove.

[0040] In this embodiment of the invention, during the process of the water pipe 6 rotating around the T-shaped pipe 14 to adjust its angle, the water pipe 6 will drive the limiting block 10 to move synchronously. Since the limiting block 10 is embedded in the limiting groove of the second fixed seat 21, and the length of the limiting groove is limited, when the water pipe 6 rotates to a certain angle, the limiting block 10 will contact the end of the limiting groove. At this time, the limiting groove generates a blocking force on the limiting block 10, restricting the limiting block 10 from continuing to move, thereby preventing the water pipe 6 from rotating further, and ultimately limiting the rotation angle of the water pipe 6 in both the clockwise and counterclockwise directions to within 90 degrees.

[0041] Meanwhile, as the U-shaped slider 4 slides along the side plate 2, the first fixed seat 5 and the second fixed seat 21 will slide synchronously along the guide groove inside the side plate 2 with the U-shaped slider 4. The guide groove guides the movement direction of the fixed seat, preventing the fixed seat from shifting during the sliding process, and ensuring that the water pipe 6 can move laterally with the U-shaped slider 4 stably.

[0042] When the device performs cleaning operations, the pump at the bottom of the L-shaped pipe 13 is started. The pump generates negative pressure, drawing the cleaning water from the water tank 12 into the pump. Subsequently, the pump pressurizes the cleaning water and delivers the high-pressure cleaning water into the L-shaped pipe 13. Since the L-shaped pipe 13 is fixedly connected to the T-shaped pipe 14, the high-pressure cleaning water enters the T-shaped pipe 14 through the L-shaped pipe 13, and is then distributed by the T-shaped pipe 14 to the two water supply pipes 6.

[0043] As the water supply pipe 6 moves laterally with the U-shaped slider 4 or rotates around the T-shaped pipe 14, the L-shaped pipe 13 will slide laterally synchronously with the water supply pipe 6 or adapt to the rotation of the water supply pipe 6. Since the L-shaped pipe 13 is slidably connected to the water tank 12 and the T-shaped pipe 14 is rotatably connected to the water supply pipe 6, the stable delivery of cleaning water can be maintained at all times when the water supply pipe 6 moves or rotates, ensuring that the nozzle 11 continuously sprays high-pressure cleaning water and realizes continuous cleaning operation of the parts to be coated.

[0044] In this embodiment of the invention, when it is necessary to adjust the distance between the two water pipes 6 to accommodate the cleaning needs of parts to be sprayed with different widths or sizes, the controller 20 sends a synchronous control signal to the second servo motor 15 inside the two side plates 2. After receiving the signal, the second servo motor 15 operates synchronously, and its output end drives the worm 18 to rotate around its own axis. Since the worm 18 and the worm wheel 16 mesh with each other, the rotation of the worm 18 will drive the two worm wheels 16 to rotate synchronously. When the worm wheel 16 rotates, it drives the threaded rod 17 fixedly connected to it to rotate around its own axis through the coupling. The U-shaped slider 4 is threadedly connected to the side plate 2 via the first fixed seat 5 and the second fixed seat 21 (guided in the horizontal direction). The rotational motion of the threaded rod 17 is converted into the horizontal linear motion of the U-shaped slider 4 along the axis of the threaded rod 17. When the threaded rods 17 on both sides rotate clockwise synchronously, the U-shaped sliders 4 on both sides drive the water pipes 6 to move synchronously closer to the center of the device, reducing the distance between the water pipes 6. When the threaded rods 17 on both sides rotate counterclockwise synchronously, the U-shaped sliders 4 on both sides drive the water pipes 6 to move synchronously away from the center of the device, increasing the distance between the water pipes 6. By controlling the forward and reverse rotation and the running time of the second servo motor 15, the moving distance of the water pipes 6 can be precisely controlled to achieve adjustment of different distance requirements, ensuring that the nozzle 11 can always be aligned with both sides of the part to be sprayed, achieving all-round coverage cleaning.

[0045] Before the cleaning operation, the distance between the two water pipes 6 is adjusted by the second servo motor 15 according to the width of the part to be sprayed, so that the water pipes 6 are aligned with the preset cleaning area of ​​the part to be sprayed; then the filter plate is inserted into the two slots 19 of the triangular block 3 until the bottom of the filter plate is embedded in the groove at the top of the base 1. The filter plate is accurately installed by the lateral limit of the slot 19 and the longitudinal support of the groove.

[0046] During the cleaning process, the nozzles 11 on the water supply pipe 6 spray high-pressure cleaning water onto the workpiece to be coated. The wastewater generated during cleaning carries impurities downwards, first passing through the filter plate. The filter holes on the surface of the filter plate allow the wastewater to pass through while intercepting impurities (such as dust, oil clumps, etc. on the surface of the workpiece to be coated), preventing impurities from flowing directly into the base 1 with the wastewater and causing blockage. Since the spacing of the slots 19 matches the adjustment range of the water supply pipe 6, if the spacing of the water supply pipe 6 needs to be finely adjusted during the cleaning process, the second servo motor 15 can be started via the controller 20. When the water supply pipe 6 moves horizontally, it will not touch the filter plate, ensuring that the filtration function and the spacing adjustment function operate in tandem.

[0047] After cleaning, the operator can directly pull out the filter plate from slot 19 to clean the intercepted impurities. After cleaning, it can be reinserted into slot 19 for reuse. The operation is convenient and does not affect subsequent cleaning operations.

[0048] Before the cleaning operation, the operator completes three preparatory tasks through the controller 20: First, select the "spacing adjustment" mode, input the width parameter of the part to be sprayed or call the stored spacing parameter, and the controller 20 sends a control signal to the second servo motor 15 to drive the water pipe 6 to move to the target spacing; Second, select the "angle adjustment" mode, set the clockwise and counterclockwise rotation angle of the nozzle 11 (0°-90°), and the controller 20 sends a signal to the first servo motor 7 to drive the water pipe 6 to rotate to the target angle; Third, after inserting the filter plate, record the filter plate installation time through the "filter plate reset" button on the controller 20 and start the cleaning timer.

[0049] After the cleaning process is started, the pump pressurizes the water in the water tank 12 and delivers it to the nozzle 11. The nozzle 11 sprays cleaning water onto the parts to be coated at a preset angle and spacing. The cleaning wastewater, carrying impurities, flows towards the filter plate, where the impurities are intercepted. The filtered wastewater flows along the inclined top surface of the base 1 into the discharge trough and is then discharged through the discharge pipe. During the cleaning process, the controller 20 monitors the motor's operating status in real time. If there is a deviation in the spacing of the water supply pipe 6 or the angle of the nozzle 11, a correction signal is automatically sent. At the same time, the usage time of the filter plate is accumulated in real time. When the preset reminder time is reached, the indicator light on the controller 20 panel flashes and is accompanied by a buzzer, reminding the operator to clean the filter plate.

[0050] After cleaning, the operator turns off the pump and motor via controller 20, removes the filter plate to clean impurities, reinserts it into slot 19 after cleaning, and resets the cleaning timer via the "Filter Plate Reset" button to prepare for the next cleaning operation. At the same time, the device is equipped with heat dissipation holes that work with the servo motor.

[0051] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A spray cleaning device for parts to be coated, comprising a base (1), characterized in that, Side plates (2) are fixedly installed on both sides of the base (1). U-shaped sliders (4) and water pipes (6) are provided on the side of each side plate (2) that is close to each other. The two U-shaped sliders (4) are inserted into the interior of the two side plates (2) and slidably connected thereto. A first fixing seat (5) and a second fixing seat (21) are provided on the outer side of each of the two water pipes (6). The two first fixing seats (5) and the second fixing seat (21) are fixedly connected to the two U-shaped sliders (4). A first servo motor (7) is fixedly installed inside each of the two first fixing seats (5). The two first servo motors (7)... Gears (8) are fixedly installed at the output end and are rotatably connected to the first fixed seat (5). Several teeth (9) are fixedly installed on the outer side of the two water pipes (6) and the gears (8) mesh with the teeth (9). The gears (8) are rotatably connected to the first fixed seat (5). A T-shaped pipe (14) is provided on one side of each of the two water pipes (6) and the T-shaped pipe (14) passes through one side of the water pipe (6) and is rotatably connected to it. Several nozzles (11) are fixedly installed on the side of the two water pipes (6) that are close to each other. Water delivery grooves that cooperate with the nozzles (11) are opened on the two water pipes (6).

2. The spray cleaning device for parts to be coated according to claim 1, characterized in that, The two first fixing seats (5) and the two second fixing seats (21) are respectively inserted into the interior of the two side plates (2) and slidably connected thereto. Limiting blocks (10) are fixedly installed on the side of the two water pipes (6) that are close to each other. The two limiting blocks (10) are slidably connected to the two second fixing seats (21) respectively.

3. The spray cleaning device for parts to be coated according to claim 1, characterized in that, Water tanks (12) are fixedly installed on both sides of the base (1). L-shaped pipes (13) are provided on the top of the two water tanks (12). The two L-shaped pipes (13) pass through the two side plates (2) respectively and are slidably connected to them. The two L-shaped pipes (13) are inserted into the interior of the two water tanks (12) respectively and are slidably connected to them. The ends of the two L-shaped pipes (13) away from the water tanks (12) are fixedly connected to the two T-shaped pipes (14) respectively. Pumps are fixedly installed at the bottom ends of the two L-shaped pipes (13).

4. The spray cleaning device for parts to be coated according to claim 1, characterized in that, A second servo motor (15) is fixedly installed inside each of the two side plates (2). A worm gear (18) is fixedly installed at the output end of each of the two second servo motors (15). Two worm wheels (16) mesh with the outer sides of each of the two worm gears (18), and the worm wheels (16) are rotatably connected to the side plates (2). Two threaded rods (17) are provided inside each of the two U-shaped sliders (4). The two threaded rods (17) pass through the U-shaped sliders (4) and are threadedly connected to them. Several threaded rods (17) are rotatably connected to the two side plates (2), and several threaded rods (17) are fixedly connected to several worm wheels (16).

5. The spray cleaning device for parts to be coated according to claim 1, characterized in that, Triangular blocks (3) are fixedly installed on both sides of the top of the side plate (2). The two sides of the two triangular blocks (3) are respectively fixedly connected to the two side plates (2). Two slots (19) are opened on one of the triangular blocks (3). Two grooves that cooperate with the slots (19) are opened on the top of the base (1).

6. The spray cleaning device for parts to be coated according to claim 5, characterized in that, A controller (20) is embedded on one side of the base (1). The controller (20) is electrically connected to the first servo motor (7) and the second servo motor (15). The top of the inner wall of the base (1) is inclined. A feeding pipe is fixedly installed on one side of the base (1), and a feeding groove that cooperates with the feeding pipe is opened on the base (1). The two slots (19) are connected to the feeding groove.

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