Depainting and cleaning equipment for automobile bumpers

Abstract

The utility model discloses an automobile bumper depainting cleaning device which comprises a cleaning machine and a dehydrator, the cleaning machine comprises a cleaning cavity, the cleaning cavity is provided with a feeding port and a discharging port, the discharging port is communicated with the dehydrator, a stirring shaft is arranged in the cleaning cavity, and a plurality of stirring rods are arranged on the side wall of the stirring shaft; a liquid injection pipe is further arranged on the cleaning cavity; the dehydrator comprises a conveying mechanism, the conveying mechanism comprises a conveying cavity, a conveying shaft is arranged in the conveying cavity, a plurality of transmission blades are arranged on the peripheral side of the conveying shaft, and the transmission blades are evenly arranged on the peripheral side of the conveying shaft and distributed in an array or staggered mode in the extending direction of the conveying shaft. The automobile bumper paint remover comprises the cleaning machine and the dewatering machine, the cleaning machine stirs the automobile bumper through the stirring shaft so that the automobile bumper can make full contact with the paint remover, and the paint remover is kept at the specific temperature in the mode that stirring friction generates heat so that the paint removing efficiency can be improved; and the dehydrator can prevent the paint remover and circulating water on the automobile bumper from being brought to the next process to cause pollution.

Description

Technical Field

[0001] This utility model belongs to the field of plastic recycling, specifically relating to a car bumper paint removal and cleaning device. Background Technology

[0002] A car bumper typically consists of three parts: an outer panel, a cushioning material, and a crossbeam. The outer panel and cushioning material are usually made of plastic. End-of-life car bumpers can be shredded, cleaned, have their paint removed, and granulated to recycle the plastic. This not only protects the environment but also contributes to resource recycling. The paint removal process is a crucial step in car bumper recycling, preventing heavy metals from the paint layer from causing pollution.

[0003] In existing technologies, such as patent document CN217476366U, a paint stripping device for waste engineering plastics is disclosed, which accelerates the paint stripping efficiency by heating the paint stripping tank. However, this device poses a risk of waste plastic stacking. When waste plastics are stacked, the paint stripper cannot fully contact the waste plastics, reducing the paint stripping effect. At the same time, the device does not have a dehydration function, which can easily carry the paint stripper on the waste plastics to the next process, causing pollution. Summary of the Invention

[0004] To address the problems in the existing technology, this utility model proposes a car bumper paint removal and cleaning device, including a cleaning machine and a dehydrator. The cleaning machine stirs the car bumper with a stirring shaft to ensure that it is in full contact with the paint remover, and maintains the paint remover at a specific temperature through frictional heating to accelerate the paint removal efficiency. The dehydrator can prevent the cleaning agent on the car bumper from being carried to the next process and causing pollution.

[0005] This invention is implemented as follows: A car bumper paint removal and cleaning device includes a cleaning machine and a dehydrator arranged in sequence. The cleaning machine includes a cleaning chamber with an inlet at the top and an outlet at the bottom. The outlet is connected to the dehydrator. After cleaning, the car bumper leaves the cleaning machine through the outlet and enters the dehydrator. The dehydrator is used to dehydrate the cleaned car bumper to prevent it from carrying a large amount of cleaning fluid (a mixture of paint remover and circulating water) to the next process and causing contamination.

[0006] The cleaning chamber is equipped with a rotating stirring shaft, and the side wall of the stirring shaft is provided with multiple stirring rods. The multiple stirring rods are evenly arranged around the stirring shaft and are arranged in an array or staggered along the extension direction of the stirring shaft. The stirring rods are used to stir the car bumper during the cleaning process, so that the car bumper is in full contact with the cleaning fluid, which improves the paint removal effect. At the same time, the friction generated by stirring can also heat the cleaning fluid or keep the cleaning fluid at a specific temperature, further accelerating the paint removal efficiency.

[0007] The cleaning chamber is also equipped with a liquid injection pipe, which is installed at the top of the cleaning chamber and communicates with the cleaning chamber. The liquid injection pipe is used to inject cleaning fluid into the cleaning wall. When the cleaning fluid is installed at the top of the cleaning chamber, the cleaning fluid can enter the cleaning chamber by gravity, without the need for an additional power unit, thus reducing the manufacturing cost of the cleaning machine.

[0008] The dehydrator includes a transport mechanism, which comprises a transport cavity inclined upwards along the transport direction. A transport shaft adapted to the transport cavity is provided within the transport cavity. Multiple inclined drive blades are arranged around the periphery of the transport shaft, evenly distributed and arranged in an array or staggered pattern along its extension direction. The inclined transport cavity allows the cleaning fluid on the car bumper to flow to the bottom of the transport cavity, preventing the cleaned bumper from carrying a large amount of paint-containing cleaning fluid to the next process, thus avoiding contamination of the next process by the paint-containing cleaning fluid.

[0009] Preferably, the injection pipe includes an independently configured water source injection pipe and a paint remover injection pipe, each injection pipe having a manifold and at least one branch pipe. One end of each branch pipe merges into the manifold and communicates with an external water source or paint remover supply through the manifold. The other end of each branch pipe extends to the wall of the cleaning chamber, forming an injection port, through which water and paint remover are injected into the cleaning chamber. When there are multiple injection ports, they are arranged along the axial direction of the cleaning chamber, with a distance between adjacent injection ports. When storing the paint remover, high-temperature environments are typically avoided. The independently configured water source injection pipe and paint remover injection pipe separate the water and paint remover before injection into the cleaning chamber. By injecting circulating water, the paint remover can be rapidly heated after mixing with the circulating water, quickly reaching a specific temperature to accelerate paint removal efficiency. Preferably, there are two or more branch pipes. Two or more branch pipes can allow water and paint remover to be injected into the cleaning chamber at a faster speed. At the same time, they can also make the water and paint remover mix more thoroughly, thereby improving the paint removal efficiency and effect of the car bumper.

[0010] Preferably, the inclined bottom surface of the transport cavity is further provided with multiple filter screens, each with reinforcing ribs arranged laterally or longitudinally, and the multiple filter screens are arranged side by side along the extension direction of the transport cavity. The filter screens are used to accelerate the separation rate of the cleaning fluid and the car bumper. When the cleaning fluid flows along the inclined bottom surface to the bottom of the transport cavity, it can flow directly out of the transport cavity from the filter screens, improving the dehydration efficiency of the dehydration mechanism.

[0011] Specifically, a drainage chamber is provided below the transport chamber. The drainage chamber is adapted to the transport chamber and separated from it by the filter screen; a drain outlet is also provided at the bottom of the drainage chamber. The drainage chamber is used to collect the cleaning fluid discharged from the transport chamber and discharge it uniformly to prevent the cleaning fluid discharged from the transport chamber from splashing everywhere and polluting the environment.

[0012] Preferably, the discharge port is further provided with a valve that is slidably or rotaryly connected. The valve has at least two states, which are switched by sliding or rotating to open or close the discharge port. The valve is used to control the connection between the washing machine and the dewatering machine, improving the sealing of the washing chamber and preventing the washing liquid from being discharged from the dewatering machine while the washing chamber is washing, thus preventing washing liquid leakage.

[0013] Preferably, both the washing machine and the dehydrator further include a drive device, which includes a drive unit and a transmission unit. The output end of the drive unit is provided with a groove adapted to the transmission unit. The transmission unit is installed in the groove and is drively connected to the stirring shaft or the transport shaft. The drive unit can be a speed-adjustable drive motor to provide power for the rotation of the stirring shaft and the transport shaft. By using two independent drive units, the speed of the stirring shaft and the transport shaft can be independently controlled, thereby matching the washing efficiency of the washing machine with the dehydration efficiency of the dehydrator. This ensures that the car bumper in the washing machine is cleaned just as the car bumper in the dehydrator is being dehydrated, achieving continuous cleaning of the car bumper and thus improving the cleaning efficiency of the car bumper.

[0014] Specifically, the transmission unit is a trapezoidal belt, and the sidewalls of the groove are gradually inclined inward from the top to the bottom, so that the cross-section of the groove is formed into a trapezoid that matches the trapezoidal belt. Compared with a flat belt, the trapezoidal belt increases the contact area and friction with the groove, thus making it less prone to slippage and improving the transmission efficiency of the transmission unit.

[0015] Specifically, the drive device further includes a tensioning mechanism, which comprises multiple adjusting screws fixed to the washing machine or dewatering machine. Each adjusting screw has at least two adjusting nuts screwed onto it along its extension direction. The drive unit includes a connecting plate connected to the adjusting screws, sandwiched between the adjusting nuts. By adjusting the position of the adjusting nuts on the adjusting screws, the position of the drive unit is adjusted, thereby tensioning or loosening the transmission unit. The tensioning mechanism tensions the transmission unit, increasing the friction between the transmission unit and the groove, further preventing slippage during transmission, improving the reliability of the transmission unit, and ensuring its transmission efficiency.

[0016] Preferably, the cleaning chamber is further provided with an inspection port, and the inspection port is also provided with a removable cover plate, which covers the inspection port to keep it in a normally closed state. The inspection port is used for periodic maintenance of the stirring shaft, allowing the stirring shaft to be maintained without disassembly, thereby improving the convenience of maintenance and reducing the difficulty of maintenance.

[0017] Preferably, both the washing machine and the dewatering machine are provided with multiple lifting holes. Since the washing machine and the dewatering machine are relatively large, they require lifting equipment for transport. The lifting holes allow for quick assembly and disassembly of the washing machine and the dewatering machine with the lifting equipment during transport, improving the convenience of lifting and thus increasing lifting efficiency.

[0018] The beneficial effects of this utility model are:

[0019] This utility model proposes a car bumper paint removal and cleaning device, including a cleaning machine and a dehydrator. The cleaning machine stirs the car bumper with a stirring shaft to ensure that it is in full contact with the paint remover, and maintains the paint remover at a specific temperature through frictional heating to accelerate the paint removal efficiency. The dehydrator can prevent the cleaning agent on the car bumper from being carried to the next process and causing pollution. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall cleaning equipment of this utility model;

[0021] Figure 2 This is a schematic diagram of the cleaning machine of the cleaning equipment of this utility model;

[0022] Figure 3 This is a cross-sectional view of the cleaning machine of the cleaning equipment of this utility model;

[0023] Figure 4 This is a schematic diagram of the stirring shaft of the cleaning equipment of this utility model;

[0024] Figure 5 This is a schematic diagram of the dehydrator of the cleaning equipment of this utility model;

[0025] Figure 6 This is a cross-sectional view of the dehydrator of the cleaning equipment of this utility model;

[0026] Figure 7 This is a schematic diagram of the transport shaft of the cleaning equipment of this utility model.

[0027] Figure label:

[0028] 1. Cleaning machine; 2. Dehydrator; 3. Drive unit; 4. Lifting hole; 11. Cleaning chamber; 21. Transport chamber; 22. Drainage chamber; 31. Drive unit; 32. Transmission unit; 33. Tensioning mechanism; 111. Feed inlet; 112. Discharge outlet; 113. Stirring shaft; 114. Water injection pipe; 115. Paint remover injection pipe; 116. Cover plate; 211. Transport shaft; 212. Filter screen; 221. Drainage outlet; 1121. Valve; 1131. Stirring rod; 2111. Transmission blade; 2121. Reinforcing rib. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figures 1-7 As shown, a car bumper paint removal and cleaning device includes a cleaning machine 1 and a dehydrator 2 connected together. The cleaning machine 1 includes a cleaning chamber 11, with an inlet 111 at the top and an outlet 112 at the bottom. The outlet 112 is connected to the dehydrator 2. After cleaning, the car bumper leaves the cleaning machine 1 through the outlet 112 and enters the dehydrator 2. The dehydrator 2 is used to dehydrate the cleaned car bumper to prevent the car bumper from carrying a large amount of cleaning fluid to the next process and causing contamination.

[0031] In this embodiment, a rotatably connected valve 1121 is also provided at the discharge port 112. The valve 1121 has at least two states, which are switched by rotation to open or close the discharge port 112. The valve 1121 is used to control the connection and disconnection between the washing machine 1 and the dewatering machine 2, which improves the sealing of the washing chamber 11 and prevents the washing liquid from being discharged from the dewatering machine 2 when the washing chamber 11 is washing, thus preventing the washing liquid from leaking.

[0032] The cleaning chamber 11 is equipped with a rotatably connected stirring shaft 113. The side wall of the stirring shaft 113 is provided with a plurality of stirring rods 1131. The plurality of stirring rods 1131 are evenly arranged around the stirring shaft 113 and are staggered along the extension direction of the stirring shaft 113. The stirring rods 1131 are used to stir the car bumper during the cleaning process, so that the car bumper is in full contact with the cleaning fluid, which improves the paint removal effect. At the same time, the friction generated by stirring can also heat the cleaning fluid, further accelerating the paint removal efficiency.

[0033] In this embodiment, the cleaning chamber 11 is further provided with an inspection port, and the inspection port is also provided with a removable cover plate 116. The cover plate 116 covers the inspection port, keeping the inspection port in a normally closed state. The inspection port is used for periodic maintenance of the stirring shaft 113, allowing the stirring shaft 113 to be maintained without disassembly, improving the convenience of maintenance and reducing the difficulty of maintenance.

[0034] The cleaning chamber 11 is also provided with a liquid injection pipe, which is installed on the top of the cleaning chamber 11 and communicates with the cleaning chamber 11. The liquid injection pipe is used to inject cleaning fluid into the cleaning wall. When the cleaning fluid is installed on the top of the cleaning chamber 11, the cleaning fluid can enter the cleaning chamber 11 by gravity without the need for an additional power unit, thus reducing the manufacturing cost of the cleaning machine 1.

[0035] In this embodiment, the injection pipe includes an independently configured water injection pipe 114 and a paint remover injection pipe 115. Each injection pipe has a manifold and at least one branch pipe. One end of each branch pipe merges into the manifold and is connected to an external water source or paint remover supply through the manifold. The other end of each branch pipe extends to the wall of the cleaning chamber, forming an injection port, through which water and paint remover are injected into the cleaning chamber. When there are multiple injection ports, they are arranged along the axial direction of the cleaning chamber, with a distance between adjacent injection ports. When storing the paint remover, high-temperature environments are typically avoided. The independently configured water injection pipe 114 and paint remover injection pipe 115 separate the water and paint remover before injection into the cleaning chamber 11. By injecting circulating water, the paint remover can be rapidly heated after mixing with the circulating water, quickly reaching a specific temperature to accelerate paint removal efficiency.

[0036] In this embodiment, there are two branch pipes. The two branch pipes enable the water source and paint remover to be injected into the cleaning chamber at a faster speed. At the same time, they also enable the water source and paint remover to be mixed more thoroughly, thereby improving the paint removal efficiency and effect of the car bumper.

[0037] The dehydrator 2 includes a transport mechanism, which comprises a transport cavity 21 inclined upwards along the transport direction. The transport cavity 21 contains a transport shaft 211 adapted to the transport cavity 21. Multiple inclined transmission blades 2111 are arranged around the transport shaft 211, evenly distributed around its periphery and staggered along its extension direction. The inclined transport cavity 21 allows the cleaning fluid on the car bumper to flow to the bottom of the transport cavity 21, preventing the cleaned bumper from carrying a large amount of paint-containing cleaning fluid to the next process, thus avoiding contamination of the next process by the paint-containing cleaning fluid.

[0038] In this embodiment, the inclined bottom surface of the transport cavity 21 is further provided with a plurality of filter screens 212, each filter screen 212 having transversely arranged reinforcing ribs 2121. The plurality of filter screens 212 are arranged side by side along the extending direction of the transport cavity 21. The filter screens 212 are used to accelerate the separation rate of the cleaning fluid and the car bumper. When the cleaning fluid flows along the inclined bottom surface to the bottom of the transport cavity 21, it can flow directly out of the transport cavity 21 from the filter screens 212, thereby improving the dehydration efficiency of the dehydration mechanism 2.

[0039] Specifically, a drainage chamber 22 is provided below the transport chamber 21. The drainage chamber 22 is adapted to the transport chamber 21 and is separated from the transport chamber 21 by the filter screen 212. A drain outlet 221 is also provided at the bottom of the drainage chamber 22. The drainage chamber 22 is used to collect the cleaning fluid discharged from the transport chamber 21 and discharge it uniformly to prevent the cleaning fluid discharged from the transport chamber 21 from splashing everywhere and polluting the environment.

[0040] In this embodiment, both the cleaning machine 1 and the dehydrator 2 further include a drive device 3. The drive device 3 includes a drive unit 31 and a transmission unit 32. The output end of the drive unit 31 is provided with a groove adapted to the transmission unit 32. The transmission unit 32 is installed in the groove and is connected to the stirring shaft 113 or the transport shaft 211. The drive unit 31 is a speed-adjustable drive motor, which provides power for the rotation of the stirring shaft 113 and the transport shaft 211. By using two independent drive units 31, the speed of the stirring shaft 113 and the transport shaft 211 can be independently controlled, thereby matching the cleaning efficiency of the cleaning machine 1 with the dehydration efficiency of the dehydrator 2. This ensures that the car bumper in the cleaning machine 1 is cleaned just as the car bumper in the dehydrator 2 is dehydrated, achieving continuous cleaning of the car bumper and thus improving the cleaning efficiency of the car bumper.

[0041] Specifically, the transmission unit 32 is a trapezoidal belt, and the sidewalls of the groove are gradually inclined inward from the top to the bottom, so that the cross-section of the groove is formed into a trapezoid that matches the trapezoidal belt. Compared with a flat belt, the trapezoidal belt increases the contact area and friction with the groove, thus making it less prone to slippage and improving the transmission efficiency of the transmission unit 32.

[0042] Specifically, the drive device 3 further includes a tensioning mechanism 33, which comprises multiple adjusting screws fixed to the washing machine 1 or the dewatering machine 2. Each adjusting screw has at least two adjusting nuts screwed onto it along its extension direction. The drive unit 31 includes a connecting plate connected to the adjusting screws, sandwiched between the adjusting nuts. By adjusting the position of the adjusting nuts on the adjusting screws, the position of the drive unit 31 is adjusted, thereby tensioning or loosening the transmission unit 32. The tensioning mechanism 33 can tension the transmission unit 32, thereby increasing the friction between the transmission unit 32 and the groove, further preventing slippage of the transmission unit 32 during transmission, improving the reliability of the transmission unit 32, and ensuring the transmission efficiency of the transmission unit 32.

[0043] In this embodiment, both the washing machine 1 and the dehydrator 2 are provided with multiple lifting holes 4. Since the washing machine 1 and the dehydrator 2 are relatively large, they need to be lifted by lifting equipment during transportation. The lifting holes 4 are used to quickly assemble and disassemble the washing machine 1 and the dehydrator 2 with the lifting equipment during transportation, which improves the convenience of lifting and thus improves the lifting efficiency.

[0044] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A car bumper paint removal and cleaning device, comprising a cleaning machine and a dehydrator arranged sequentially, wherein the cleaning machine includes a cleaning chamber, the top of the cleaning chamber has a feed inlet and the bottom has a discharge outlet, and the discharge outlet is connected to the dehydrator, characterized in that... The cleaning chamber is equipped with a rotating stirring shaft, and the side wall of the stirring shaft is provided with multiple stirring rods. The multiple stirring rods are evenly arranged around the stirring shaft and are arranged in an array or staggered along the extension direction of the stirring shaft. The cleaning chamber is also provided with a liquid injection pipe, which is installed at the top of the cleaning chamber and communicates with the cleaning chamber. The dehydrator includes a transport mechanism, which includes a transport cavity that is inclined from bottom to top along the transport direction. The transport cavity is provided with a transport shaft that is adapted to the transport cavity. Multiple inclined transmission blades are provided around the transport shaft. The multiple transmission blades are evenly distributed around the transport shaft and are arranged in an array or staggered along the extension direction of the transport shaft.

2. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, The injection pipe includes a water source injection pipe and a paint remover injection pipe that are independently arranged. Each injection pipe is provided with a manifold and at least one branch pipe. One end of each branch pipe is connected to the manifold and is connected to an external water source or paint remover supply through the manifold. The other end of each branch pipe extends to the wall of the cleaning chamber to form an injection port, through which water and paint remover are injected into the cleaning chamber. When there are multiple injection ports, they are arranged along the axial direction of the cleaning chamber, and there is a distance between adjacent injection ports.

3. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, The inclined bottom surface of the transport cavity is also provided with multiple filter screens, and the filter screens are provided with reinforcing ribs arranged horizontally or vertically. The multiple filter screens are arranged side by side along the extension direction of the transport cavity.

4. The car bumper paint stripping and cleaning equipment according to claim 3, characterized in that, A drainage chamber is also provided below the transport chamber. The drainage chamber is adapted to the transport chamber and is separated from the transport chamber by the filter screen. A drain outlet is also provided at the bottom of the drainage chamber.

5. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, The discharge port is also equipped with a valve that is either slidably connected or rotated. The valve has at least two states, and the state can be switched by sliding or rotating to open or close the discharge port.

6. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, Both the washing machine and the dehydrator also include a drive device, which includes a drive unit and a transmission unit. The output end of the drive unit is provided with a groove that is adapted to the transmission unit. The transmission unit is installed in the groove and is connected to the stirring shaft or the transport shaft for transmission.

7. The car bumper paint stripping and cleaning equipment according to claim 6, characterized in that, The transmission unit is a trapezoidal belt, and the sidewall of the groove is gradually inclined inward from the top to the bottom, so that the cross-section of the groove is formed into a trapezoid that is compatible with the trapezoidal belt.

8. The car bumper paint stripping and cleaning equipment according to claim 6, characterized in that, The drive device further includes a tensioning mechanism, which includes a plurality of adjusting screws fixed to the washing machine or dewatering machine. Each adjusting screw has at least two adjusting nuts screwed onto it along its extension direction. The drive unit includes a connecting plate connected to the adjusting screws and sandwiched between the adjusting nuts. By adjusting the position of the adjusting nuts on the adjusting screws, the position of the drive unit is adjusted to tension or loosen the transmission unit.

9. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, The cleaning chamber is also provided with an inspection port, and the inspection port is also provided with a removable cover plate, which covers the inspection port so that the inspection port is normally closed.

10. The car bumper paint stripping and cleaning equipment according to claim 1, characterized in that, Both the washing machine and the dehydrator are equipped with multiple lifting holes.

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