High energy-saving and environmentally friendly automatic paint stripping production line

Abstract

The present invention relates to the field of automobile manufacturing technology, in particular to a highly energy-saving and environmentally friendly automatic paint stripping production line, including a crushing mechanism, a storage mechanism, a paint stripping mechanism, a friction transport mechanism, a centrifugal mechanism, a cleaning mechanism, and a discharging mechanism. The crushing mechanism is used to crush PP materials and send them into the storage mechanism, the paint stripping mechanism is used to inject medicine and heat the paint stripping PP materials, the friction transport mechanism is used to frictionally transport the PP materials to the centrifugal mechanism, the centrifugal mechanism is used to throw out the medicine attached to the PP materials and send them into the cleaning mechanism, the cleaning mechanism is used to clean the medicine on the PP materials, and the discharging mechanism is used to send out the PP materials; it also includes two groups of wastewater recovery mechanisms, the wastewater recovery mechanism includes a filter press component and a reuse component, the filter press component is used to filter wastewater, the reuse component is used to pass the filtered wastewater back to the original mechanism, one group of wastewater recovery mechanisms is connected to the paint stripping mechanism, and the other group of wastewater recovery is connected to the cleaning mechanism. Utilize wastewater to improve the utilization rate of water resources.

Description

Technical Field

[0001] The invention relates to the technical field of automobile manufacturing, in particular to a highly energy-saving and environment-friendly automatic paint stripping production line. Background Art

[0002] Bumpers are installed at the front and rear ends of cars. They not only have decorative functions, but more importantly, they are safety devices that absorb and mitigate external impacts, protect the car body and the safety of passengers. With the development of the automobile industry and the extensive application of engineering plastics in the automobile industry, automobile bumpers, as an important safety device, have also taken the road of innovation. At present, in addition to maintaining the original protective function, the front and rear bumpers of cars also pursue harmony and unity with the body shape and pursue their own lightweight. The front and rear bumpers of cars are made of plastic, which people call plastic bumpers.

[0003] Bumpers under the existing technology are usually made of PP material. Before production, the PP material needs to be stripped of paint. A large amount of water is required in the stripping process, which usually produces a large amount of wastewater. After the wastewater is discharged, it may cause pollution, and it is relatively difficult to handle, which is a waste of water resources. Summary of the invention

[0004] In order to solve the problem that PP materials need to be stripped under the existing technology, a large amount of water is required in the stripping process, and a large amount of wastewater is usually generated. These wastewaters may cause pollution after discharge, and are relatively difficult to handle, which is a waste of water resources. This application provides a highly energy-saving and environmentally friendly automatic paint stripping production line, and the specific plan is as follows.

[0005] A highly energy-saving and environment-friendly automatic paint stripping production line, comprising a crushing mechanism, a storage mechanism, a paint stripping mechanism, a friction transport mechanism, a centrifugal mechanism, a cleaning mechanism, and a discharging mechanism. The crushing mechanism is used to crush the PP material and send it to the storage mechanism. The paint stripping mechanism is used to inject the medicine and heat the paint stripping PP material. The friction transport mechanism is used to frictionally transport the PP material to the centrifugal mechanism. The centrifugal mechanism is used to throw out the medicine attached to the PP material and send it to the cleaning mechanism. The cleaning mechanism is used to clean the medicine on the PP material. The discharging mechanism is used to send out the PP material.

[0006] It also includes two groups of wastewater recovery mechanisms, which include a filter press component and a reuse component. The filter press component is used to filter the wastewater, and the reuse component is used to return the filtered wastewater to the original mechanism. One group of the wastewater recovery mechanisms is connected to the paint stripping mechanism, and the other group of the wastewater recovery mechanisms is connected to the cleaning mechanism.

[0007] By adopting the above technical solution, the highly energy-saving and environmentally friendly automatic paint stripping production line can achieve efficient paint stripping and cleaning of PP materials, while reducing the generation of wastewater and environmental pollution. The setting of the crushing mechanism and the storage mechanism enables the PP material to be effectively crushed and stored for subsequent processing. Then the medicine is injected and the paint stripping PP material is heated to ensure the efficiency and thoroughness of the paint stripping process. The friction transport of the PP material to the centrifugal mechanism helps to remove the medicine on the surface of the PP material. The cleaning mechanism is used to further clean the medicine on the PP material. The PP material is cleaned in three steps to ensure the cleanliness of the PP material when it is sent out. The two sets of wastewater recovery mechanisms can recycle the wastewater in the two steps with more water consumption. There is no need to discharge the medicine as wastewater. The waste generated by the medicine in the paint stripping can be filtered and then recycled, thereby improving the utilization rate of water resources, which has a high environmental significance.

[0008] Optionally, the paint stripping mechanism includes a plurality of paint stripping boxes, and a connecting pipe is provided between each of the paint stripping boxes. The connecting pipe is used to circulate the PP material and the medicine in each paint stripping box, and each of the paint stripping boxes is provided with a steam pipe for introducing high-temperature steam.

[0009] By adopting the above technical solutions, the paint stripping process is more efficient and uniform. The design of multiple paint stripping boxes allows the PP material to be stripped multiple times at high temperature to ensure thorough paint stripping. The use of connecting pipes ensures the uniform mixing and flow of the potion and PP material, improving the paint stripping efficiency. The introduction of high-temperature steam accelerates the heating process of the potion, further improving the speed and effect of paint stripping, while reducing energy consumption.

[0010] Optionally, a transport tank is provided between the paint stripping box and the filter press assembly, one end of the transport tank is used for introducing the medicine solution, and the other end of the transport tank is connected to the corresponding filter press assembly.

[0011] By adopting the above technical solution, a transport tank is arranged between the paint stripping box and the filter press assembly, one end of the transport tank is used to pass the medicine, and the other end is connected to the filter press assembly. This design can effectively collect and transport the wastewater generated during the paint stripping process, avoiding direct discharge of wastewater to cause environmental pollution. At the same time, through the intermediate role of the transport tank, the stability and uniformity of the wastewater before entering the filter press assembly can be ensured, the wastewater treatment efficiency can be improved, and resource waste can be reduced.

[0012] Optionally, a first transfer tank and a second transfer tank are further provided between the transport tank and the paint stripping box, the second transfer tank being respectively connected to the inlet and outlet of the filter press assembly, and the second transfer tank is also connected to the first transfer tank.

[0013] By adopting the above technical solution, setting a first transfer tank and a second transfer tank, setting multiple transfer tanks can increase the amount of wastewater storage and also allow the wastewater to be operated more flexibly.

[0014] Optionally, it also includes a preheating tank, one end of which is connected to the second transfer tank, and the other end of which is connected to the outlet of the filter press assembly. The preheating tank is used to heat the filtered wastewater, and also includes a wastewater pool, which is connected to the second transfer tank.

[0015] By adopting the above technical scheme, the preheating tank can preheat the filtered wastewater, and the filtered wastewater can also be reused as a medicine for heating the liquid in the paint stripping box, and can accelerate the efficiency of increasing the temperature in the paint stripping box, thereby further improving the efficiency of paint stripping. By setting up a wastewater pool, the treated wastewater can be temporarily stored when the wastewater is not needed. When the wastewater no longer supports reuse after multiple uses, the wastewater can also be discharged through the wastewater pool.

[0016] Optionally, the cleaning mechanism includes a cleaning box, the centrifugal mechanism includes a centrifugal cylinder, the centrifugal cylinder is driven to rotate by a motor, one end of the cleaning box is connected to the centrifugal cylinder, and the other end of the cleaning box is used to discharge wastewater toward a corresponding wastewater recovery mechanism.

[0017] By adopting the above technical solution and setting a motor-driven centrifugal drum, the medicine on the paint-removed PP material can be thrown out, reducing the situation where the medicine remains on the PP material and improving the quality of the PP material when it is sent out.

[0018] Optionally, a recovery box is arranged between the cleaning box and the corresponding wastewater recovery mechanism, one end of the recovery box is connected to the cleaning box, and the other end of the recovery box is connected to the wastewater recovery mechanism. A reuse pipe is also arranged between the recovery box and the wastewater recovery mechanism, and the reuse pipe is used to pass treated wastewater toward the cleaning box.

[0019] By adopting the above technical solution, when the waste water needs to be used, the waste water is returned through the reuse pipe for reuse. When the waste water is not needed, the waste water can also be reused during cleaning, thereby further improving the utilization rate of water resources.

[0020] Optionally, it also includes a wastewater tank, which is connected to the recovery tank and is used to introduce treated wastewater.

[0021] By adopting the above technical solution, when there is no need to reuse wastewater temporarily, the wastewater can be collected through the wastewater tank. When the wastewater cannot be reused at all, the wastewater can also be discharged and treated through the wastewater tank.

[0022] Optionally, a plurality of cleaning rollers are provided in the cleaning box, each of the cleaning rollers is provided with cleaning blades, an isolation plate is provided between each of the cleaning rollers, each of the isolation plates is provided with an opening and the openings on adjacent isolation plates are arranged far away from each other, and the isolation plates form an S-shaped flow channel in the cleaning box.

[0023] By adopting the above technical solution, the PP material can be cleaned multiple times along the flow channel formed by the isolation plate when passing through each cleaning roller. When the cleaning blades are different, different cleaning methods can be performed to further improve the quality of the product.

[0024] Optionally, an extraction pump is provided on the cleaning box corresponding to each cleaning roller, and the extraction pump is arranged between each isolation plate, and the extraction pump is used to drive the flow of liquid in the cleaning box.

[0025] By adopting the above technical solution and setting a plurality of extraction pumps, it is possible to ensure that the liquid in the flow channel can flow in a certain direction, thereby reducing the situation where the liquid in the cleaning box cannot flow.

[0026] In summary, this application has at least the following beneficial effects:

[0027] The present application solves the problem that PP materials need to be stripped under the prior art, and a large amount of water is required in the process of stripping, which usually produces a large amount of wastewater. These wastewaters may cause pollution after discharge, and are relatively difficult to treat, resulting in a waste of water resources. The present application sets up two groups of wastewater recovery mechanisms to collect the wastewater generated in the production process, treat part of the wastewater, and re-send the medicine in the wastewater into the stripping process for reuse, thereby improving the utilization rate of water resources and reducing the pressure on the environment caused by wastewater discharge.

[0028] The present application also improves product quality by providing multiple steps for separating the PP material from the medicine, thereby further reducing the situation where the deplasticized medicine adheres to the PP material and causes subsequent impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional diagram of the first embodiment.

[0030] Figure 2 It is a top view of the first embodiment.

[0031] Figure 3 It is a stereoscopic diagram of the paint stripping assembly in the first embodiment.

[0032] Figure 4 It is a top view of the cleaning component in the first embodiment.

[0033] Figure 5 It is a top view of the cleaning component in the second embodiment.

[0034] Figure 6 It is a cross-sectional view of the preheating tank in the third embodiment.

[0035] Description of reference numerals:

[0036] 1. Crushing mechanism;

[0037] 2. Paint stripping mechanism; 21. Paint stripping box; 211. Connecting pipe; 212. Steam pipe; 22. Wastewater tank;

[0038] 3. Friction transport mechanism;

[0039] 4. Centrifugal mechanism; 41. Centrifugal cylinder;

[0040] 5. Cleaning mechanism; 51. Cleaning box; 511. Cleaning roller; 512. Cleaning blade; 513. Isolation plate; 514. Opening; 52. Recovery box; 53. Waste water tank; 54. Extraction pump; 55. Guide plate; 56. Air bag;

[0041] 6. Discharging mechanism;

[0042] 7. Wastewater recovery mechanism; 71. Filter press assembly; 72. Reuse assembly; 73. Transport tank; 74. First transfer tank; 75. Second transfer tank; 76. Preheating tank; 761. Cold water outlet; 762. Hot water outlet; 763. Stopper; 764. Thermal expansion and contraction parts; 765. Water outlet block; 766. Filter screen; 77. Reuse pipe;

[0043] 8. Storage organization. DETAILED DESCRIPTION

[0044] The present application is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0045] Embodiment 1

[0046] like Figure 1 and Figure 2As shown, the highly energy-saving and environment-friendly automatic paint stripping production line includes a crushing mechanism 1, a storage mechanism, a paint stripping mechanism 2, a friction transport mechanism 3, a centrifugal mechanism 4, a cleaning mechanism 5, and a discharging mechanism 6. The crushing mechanism 1 is used for crushing the PP material and sending it into the storage mechanism, the paint stripping mechanism 2 is used for injecting medicine and heating the paint stripping PP material, the friction transport mechanism 3 is used for friction transporting the PP material to the centrifugal mechanism 4, the centrifugal mechanism 4 is used for throwing out the medicine attached to the PP material and sending it into the cleaning mechanism 5, the cleaning mechanism 5 is used for cleaning the medicine on the PP material, and the discharging mechanism 6 is used for sending out the PP material. In specific implementation, the crushing mechanism 1 includes a mixer. When the PP material is fed in, it is first crushed by the mixer so that the PP material can be crushed, increasing the contact area between the PP material and the medicine, and also facilitating the melting of the PP material during subsequent injection molding. The storage mechanism includes a barrel body, which can store part of the PP material. When processing is required, the crushed PP material can be passed into the paint stripping machine. The friction transport mechanism 3 is an obliquely arranged tube body, and a unit such as a brush that can rub the surface of the PP material is arranged inside. The medicine on the surface of the PP material is cleaned by physical friction, and the medicine on the PP material is pre-cleaned. The discharging mechanism 6 is a barrel body that passes the product out.

[0047] like Figure 1 and Figure 2 As shown, two groups of wastewater recovery mechanisms 7 are also included, and the wastewater recovery mechanism 7 includes a filter press component 71 and a reuse component 72. The filter press component 71 is used to filter wastewater, and the reuse component 72 is used to pass the filtered wastewater back to the original mechanism. One group of wastewater recovery mechanisms 7 is connected to the paint stripping mechanism 2, and the other group of wastewater recovery mechanisms 7 is connected to the cleaning mechanism 5. In specific implementation, the wastewater recovery mechanism 7 connected to the paint stripping mechanism 2 is mainly used to recover the medicine used for paint stripping, and the wastewater recovery mechanism 7 connected to the cleaning mechanism 5 is used to recover the water of the cleaning medicine, and filter out the medicine and recycle it.

[0048] like Figure 3 As shown, the paint stripping mechanism 2 includes a plurality of paint stripping boxes 21, and a connecting pipe 211 is provided between each paint stripping box 21. The connecting pipe 211 is used to circulate the PP material and the liquid medicine in each paint stripping box 21, and each paint stripping box 21 is provided with a steam pipe 212 for introducing high-temperature steam. In specific implementation, three paint stripping boxes 21 are provided in this embodiment, and the connecting pipe 211 is connected to the three paint stripping boxes 21. The PP materials in the three paint stripping boxes 21 can rotate with each other, and the steam can also heat the three paint stripping boxes 21 at the same time after being introduced.

[0049] like Figure 1 and Figure 2As shown, a transport tank 73 is provided between the paint stripping box 21 and the filter press assembly 71, one end of the transport tank 73 is used to pass the medicine, and the other end of the transport tank 73 is connected to the corresponding filter press assembly 71. In specific implementation, the transport tank 73 can temporarily store the medicine to reduce the transportation pressure of the pipeline.

[0050] like Figure 1 and Figure 2 As shown, a first transfer tank 74 and a second transfer tank 75 are further provided between the transport tank 73 and the paint stripping box 21. The second transfer tank 75 is respectively connected to the inlet and outlet of the filter press assembly 71, and the second transfer tank 75 is also connected to the first transfer tank 74. In specific implementation, two transfer tanks are provided, which can make the treatment of the liquid medicine more flexible and can further reduce the transportation pressure of the pipeline.

[0051] like Figure 1 and Figure 2 As shown, it also includes a preheating tank 76, one end of which is connected to the second transfer tank 75, and the other end of which is connected to the outlet of the filter press assembly 71. The preheating tank 76 is used to heat the filtered wastewater, and also includes a wastewater tank 22, which is connected to the second transfer tank 75. In specific implementation, one pipeline of the second transfer tank 75 is directly connected to the preheating tank 76, and the other pipeline is connected to both the filter press assembly 71 and the preheating tank 76. When the processing starts, the unstripped medicine can also be passed into the preheating tank 76 for preheating treatment. Since the stripping needs to be carried out under high temperature conditions, the preheating tank 76 can heat the treated wastewater in advance, so that the treated wastewater can be directly passed into the paint stripping box 21 as medicine for stripping, and the wastewater tank 22 can discharge the wastewater that cannot be reused.

[0052] like Figure 1 and Figure 4 As shown, the cleaning mechanism 5 includes a cleaning box 51, the centrifugal mechanism 4 includes a centrifugal cylinder 41, the centrifugal cylinder 41 is driven to rotate by a motor, one end of the cleaning box 51 is connected to the centrifugal cylinder 41, and the other end of the cleaning box 51 is used to pass waste water toward the corresponding waste water recovery mechanism 7. In specific implementation, the centrifugal cylinder 41 can throw out the medicine on the PP material, thereby reducing the situation where the medicine adheres to the PP material.

[0053] like Figure 1 and Figure 2As shown, a recovery box 52 is provided between the cleaning box 51 and the corresponding wastewater recovery mechanism 7, one end of the recovery box 52 is connected to the cleaning box 51, and the other end of the recovery box 52 is connected to the wastewater recovery mechanism 7. A reuse pipe 77 is also provided between the recovery box 52 and the wastewater recovery mechanism 7, and the reuse pipe 77 is used to pass the treated wastewater toward the cleaning box 51. A wastewater tank 53 is also included, and the wastewater tank 53 is connected to the recovery box 52, and the wastewater tank 53 is used to pass the treated wastewater. In specific implementation, the recovery box 52 can be used as a transfer point for untreated wastewater, and the wastewater that cannot be reused is directly passed into the wastewater tank 53 for discharge, and the wastewater that can be reused is stored in the wastewater tank 53.

[0054] like Figure 1 and Figure 4 As shown, a plurality of cleaning rollers 511 are arranged in the cleaning box 51, and cleaning blades 512 are arranged on the cleaning rollers 511. An isolation plate 513 is arranged between each cleaning roller 511, and each isolation plate 513 is arranged with an opening 514. The openings 514 on adjacent isolation plates 513 are arranged far away from each other. The isolation plates 513 form an S-shaped flow channel in the cleaning box 51. An extraction pump 54 is arranged on the cleaning box 51 corresponding to each cleaning roller 511. The extraction pump 54 is arranged between each isolation plate 513. The extraction pump 54 is used to drive the liquid in the cleaning box 51 to flow. In specific implementation, three cleaning rollers 511 are arranged in parallel in the cleaning box 51. Two isolation plates 513 are arranged between the three cleaning rollers 511. The PP material can be cleaned three times along the S-shaped flow channel formed by the isolation plates 513. The speed of the three cleaning rollers 511 can be gradually increased, thereby achieving different cleaning. In other embodiments, a plurality of cleaning rollers 511 with cleaning blades 512 of different shapes may be provided, thereby achieving different forms of cleaning of the product.

[0055] Working principle: The automated paint stripping process can be completed by passing the PP material in. The wastewater generated during the paint stripping process and the wastewater generated during the cleaning process can be treated and recycled through the wastewater recovery mechanism 7, thereby improving the utilization rate of water resources.

[0056] Embodiment 2

[0057] like Figure 5As shown, the main difference between the second embodiment and the first embodiment is that a plurality of guide plates 55 are arranged on the isolation plate 513 in the cleaning assembly of the second embodiment, the guide plates 55 are hinged to the isolation plate 513, the guide plates 55 are arranged parallel to the guide plates 55 and the guide plates 55 can rotate to form an angle with the isolation plate 513, and the guide plates 55 guide the PP material to the side of the cleaning roller 511 after forming an angle with the isolation plate 513, and the guide plates 55 are all inclined toward the cleaning roller 511 on the side close to the opening 514, and the side away from the opening 514 is hinged to the isolation plate 513. In specific implementation, when the guide plates 55 are adjusted to face the cleaning roller 511, the PP material can move along the guide plates 55 toward the cleaning roller 511 driven by the water flow, thereby reducing the situation where the PP material cannot contact the cleaning roller 511 and cannot be completely cleaned.

[0058] The isolation plate 513 is also provided with a plurality of airbags 56 corresponding to the guide plates 55, and the interiors of the airbags 56 are interconnected, and the airbags 56 abut against the guide plates 55. In specific implementation, the airbags 56 are embedded in the isolation plate 513 and both sides can abut against the guide plates 55 on both sides after expansion. During the continuous inflation and abandonment of the airbags 56, the guide plates 55 can not only play a guiding role, but also play a role in promoting the movement of liquid, and can promote the movement of PP material along the flow channel to a certain extent, further improve the stability of the flow of PP material, and reduce the retention of PP material.

[0059] Working principle: The basic working principle is the same as that of the first embodiment, but a guide plate 55 and an air bag 56 are added so that the PP material can fully contact the cleaning roller 511 in the cleaning box 51 and move with the flow of liquid.

[0060] Embodiment 3

[0061] The main difference between the third embodiment and the first embodiment is that the upper part of the preheating tank 76 of the third embodiment is provided with a hot water outlet 762, and the bottom of the preheating tank 76 is provided with a cold water outlet 761. The hot water outlet 762 is provided with a corresponding thermal expansion and contraction member 764, one end of which is provided with a water outlet block 765, and a filter screen 766 is provided on the water outlet block 765. A stopper 763 is provided in the preheating tank 76 corresponding to the hot water outlet 762, and the stopper 763 is slidably connected to the preheating tank 76 and blocks the hot water outlet 762 under the action of gravity in normal state. When the water temperature rises, the thermal expansion and contraction member 764 expands, pushing the water outlet block 765 to move toward the hot water outlet 762, removing the stopper 763 and aligning the filter screen 766 with the hot water outlet 762, and discharging the hot water. The cold water outlet 761 is also provided with a corresponding thermal expansion and contraction, but the thermal expansion and contraction member 764 at the cold water outlet 761 will not block the cold water outlet 761 in normal conditions, but will block the cold water outlet 761 when the temperature rises, thereby preventing hot water from being discharged from the cold water outlet 761. In specific implementation, since hot water will float, a hot water outlet 762 is provided at the top, and a cold water outlet 761 is provided at the bottom, and the temperature is judged so that hot water and cold water can be separated and discharged.

[0062] Working principle: The basic working principle is the same as that of the first embodiment, but a guide plate 55 and an air bag 56 are added, so that the preheating tank 76 can separate and discharge cold water and hot water, further improving the convenience of wastewater reuse.

[0063] The above are preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. High energy-saving and environmentally friendly automatic paint stripping production line, characterized by: The invention comprises a crushing mechanism (1), a storage mechanism, a paint stripping mechanism (2), a friction transport mechanism (3), a centrifugal mechanism (4), a cleaning mechanism (5), and a discharging mechanism (6). The crushing mechanism (1) is used to crush the PP material and send it to the storage mechanism. The paint stripping mechanism (2) is used to inject medicine and heat the paint stripped PP material. The friction transport mechanism (3) is used to frictionally transport the PP material to the centrifugal mechanism (4). The centrifugal mechanism (4) is used to throw off the medicine attached to the PP material and send it to the cleaning mechanism (5). The cleaning mechanism (5) is used to clean the medicine on the PP material. The discharging mechanism (6) is used to send out the PP material. It also includes two groups of wastewater recovery mechanisms (7), the wastewater recovery mechanisms (7) including a filter press assembly (71) and a reuse assembly (72), the filter press assembly (71) is used to filter wastewater, and the reuse assembly (72) is used to return the filtered wastewater to the original mechanism, one group of the wastewater recovery mechanisms (7) is connected to the paint stripping mechanism (2), and the other group of the wastewater recovery mechanisms is connected to the cleaning mechanism (5); The cleaning mechanism (5) comprises a cleaning box (51), the centrifugal mechanism (4) comprises a centrifugal cylinder (41), the centrifugal cylinder (41) is driven to rotate by a motor, one end of the cleaning box (51) is connected to the centrifugal cylinder (41), and the other end of the cleaning box (51) is used to discharge waste water toward a corresponding waste water recovery mechanism (7); A plurality of cleaning rollers (511) are arranged in the cleaning box (51), each of the cleaning rollers (511) is provided with a cleaning blade (512), an isolation plate (513) is arranged between each of the cleaning rollers (511), each of the isolation plates (513) is provided with an opening (514), and the openings (514) on adjacent isolation plates (513) are arranged away from each other, and the isolation plates (513) form an S-shaped flow channel in the cleaning box (51); The cleaning box (51) is provided with an extraction pump (54) corresponding to each cleaning roller (511), and the extraction pump (54) is arranged between each isolation plate (513), and the extraction pump (54) is used to drive the liquid in the cleaning box (51) to flow; A plurality of guide plates (55) are arranged on the isolation plate (513); the guide plates (55) are hinged to the isolation plate (513); the guide plates (55) are arranged parallel to the guide plates (55) and can rotate to form an angle with the isolation plate (513); after the guide plates (55) and the isolation plate (513) form an angle, the PP material is guided to one side of the cleaning roller (511); the guide plates (55) are inclined toward the cleaning roller (511) on the side close to the opening (514), and are hinged to the isolation plate (513) on the side away from the opening (514); when the guide plates (55) are adjusted to face the cleaning roller (511), the PP material can move along the guide plates (55) toward the cleaning roller (511) driven by the water flow; The isolation plate (513) is also provided with a plurality of air bags (56) corresponding to the guide plates (55); the interiors of the air bags (56) are interconnected; the air bags (56) abut against the guide plates (55); the air bags (56) are embedded in the isolation plate (513) and both sides of the air bags (56) can abut against the guide plates (55) on both sides after expansion.

2. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 1 is characterized in that: The paint stripping mechanism (2) comprises a plurality of paint stripping boxes (21), wherein a connecting pipe (211) is provided between each of the paint stripping boxes (21), wherein the connecting pipe (211) is used to circulate the PP material and the chemical solution in each of the paint stripping boxes (21), and each of the paint stripping boxes (21) is provided with a steam pipe (212) for introducing high-temperature steam.

3. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 2 is characterized in that: A transport tank (73) is provided between the paint stripping box (21) and the filter press assembly (71). One end of the transport tank (73) is used to introduce the medicine solution, and the other end of the transport tank (73) is connected to the corresponding filter press assembly (71).

4. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 3 is characterized in that: A first transfer tank (74) and a second transfer tank (75) are also provided between the transport tank (73) and the paint stripping box (21); the second transfer tank (75) is respectively connected to the inlet and outlet of the filter press assembly (71); and the second transfer tank (75) is also connected to the first transfer tank (74).

5. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 4 is characterized in that: The system further comprises a preheating tank (76), one end of which is connected to the second transfer tank (75), and the other end of which is connected to the outlet of the filter press assembly (71). The preheating tank (76) is used to heat the filtered wastewater. The system further comprises a wastewater pool (22), which is connected to the second transfer tank (75).

6. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 1 is characterized in that: A recovery box (52) is arranged between the cleaning box (51) and the corresponding wastewater recovery mechanism (7); one end of the recovery box (52) is connected to the cleaning box (51), and the other end of the recovery box (52) is connected to the wastewater recovery mechanism (7); a reuse pipe (77) is also arranged between the recovery box (52) and the wastewater recovery mechanism (7); the reuse pipe (77) is used to pass the treated wastewater toward the cleaning box (51).

7. The highly energy-saving and environment-friendly automatic paint stripping production line according to claim 6 is characterized in that: It also comprises a waste water tank (53), which is connected to the recovery tank (52) and is used for introducing treated waste water.

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