Integrated automatic device for removing paint layer of part

Abstract

The utility model discloses an integrated automatic device for removing a paint layer of a part. The integrated automatic device comprises a part paint removing system, and a paint removing solution purifying and circulating system, a paint removing cleaning water purifying and circulating system and a waste gas collecting and processing system which are respectively connected with the part paint removing system, a paint removing solution is provided for the part paint removing system through the paint removing solution purifying and circulating system, and purifying and recycling of the paint removing solution are achieved; cleaning water is provided for the parts subjected to paint removal through the paint removal cleaning water purification and circulation system, and purification and circulation use of the cleaning water are achieved; and the waste gas collecting and treating system is used for collecting and uniformly treating waste gas generated in the paint removing process in a centralized manner, so that up-to-standard emission is realized. According to the technical scheme provided by the utility model, the defects of more required equipment, long working procedure, serious pollution and the like in the conventional treatment mode for repairing and de-painting the parts are overcome.

Description

Technical Field

[0001] This utility model relates to, but is not limited to, the field of paint removal technology for parts rework during aircraft parts manufacturing, and particularly to an integrated automatic device for removing paint layers from parts. Background Technology

[0002] Aircraft parts manufacturing often requires paint removal for repair, typically using solution-based and / or physical-mechanical methods. Paint removal involves immersing parts in a paint stripping solution and using mechanical methods to remove the old paint layer from the surface of the part, exposing the original paint color. Paint removal is an indispensable process in industrial production, primarily used for the repair and rework of painted parts.

[0003] In solution-based paint removal, parts typically undergo a process involving immersion in a nitric acid solution in a paint removal tank, washing tank, and drying tank. This oxidizes and removes the paint layer, allowing it to peel off. Residual paint is then cleaned from the substrate, and finally, the parts are dried in a drying oven. While solution-based paint removal can be mass-produced, it requires a large amount of equipment, involves lengthy processes, is cumbersome, inefficient, requires a large area, and generates wastewater and exhaust pollution, resulting in high costs. In physical-mechanical paint removal, mechanical grinding using grinding pads or sandpaper removes the paint layer from the part's surface. While mechanical grinding equipment is simple, its efficiency is too low, it poses dust pollution and explosion hazards, can easily damage the substrate, and is limited by part shape, making it impossible to remove paint from complex parts such as recesses, grooves, and holes. Based on the above, it is clear that existing technologies for paint removal during parts repair often suffer from numerous drawbacks, including the need for extensive equipment, lengthy processes, and significant pollution. Utility Model Content

[0004] The purpose of this utility model is to solve the above-mentioned technical problems. This utility model provides an integrated automatic device for removing paint from parts, which solves the problem that the existing processing methods for removing paint from parts for repair generally have many defects such as requiring a lot of equipment, long process, and serious pollution.

[0005] The technical solution of this utility model: This utility model provides an integrated automatic device for removing paint from parts, including: a parts paint removal system, a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and a waste gas collection and treatment system.

[0006] The paint removal system is used to remove paint from parts. The hung parts to be painted are sequentially sprayed with paint removal solution and water for paint removal and cleaning, and the solution and cleaning water are collected.

[0007] The paint removal solution purification and circulation system is used for the storage and supply of the solution required for paint removal, as well as for its collection, purification, and recycling.

[0008] The paint removal cleaning water purification and circulation system is used for the storage and supply of cleaning water for parts after paint removal, and for the collection, purification and recycling of cleaning water.

[0009] The exhaust gas collection and treatment system is used to collect and purify the exhaust gas generated during the paint removal process, so as to achieve emission standards and accelerate the drying of parts.

[0010] The paint removal system for the parts is connected to a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and an exhaust gas collection and treatment system. The paint removal solution purification and circulation system provides paint removal solution to the parts paint removal system, enabling the purification and recycling of the paint removal solution; the paint removal cleaning water purification and circulation system provides cleaning water to the parts after paint removal, enabling the purification and recycling of the cleaning water; and the exhaust gas collection and treatment system centrally collects and treats the exhaust gas generated during the paint removal process to achieve compliant emissions.

[0011] Optionally, in the integrated automatic device for removing paint from parts as described above, the paint removal system includes: a paint removal treatment box 1, a parts mounting rack 2, paint removal parts 3, a spray head 4, a motor 5, and a rotating partition 6.

[0012] Among them, the paint removal treatment box 1 is the main operating chamber of the parts paint removal system. A parts mounting rack 2 is set at the upper center of the slot of the paint removal treatment box 1 for hanging the paint-removed parts 3 on the parts mounting rack 2. Spray heads 4 are evenly arranged on the spray pipe in the area directly above the parts mounting rack 2. During and after the paint removal process, the parts are sprayed with solution and cleaning water in sequence to achieve paint removal.

[0013] The paint removal treatment box 1 is equipped with a motor 5 and a rotating partition 6 at the lower position. The rotating partition 6 is mounted on the main shaft of the motor 5. The reciprocating rotation of the main shaft of the motor 5 drives the rotating partition 6 to swing left and right.

[0014] Optionally, in the integrated automatic device for removing paint from parts as described above,

[0015] The paint removal system is used to, when removing paint from parts, drive the upper part of the rotating baffle 6 to swing to one side of the cleaning water collection tank 12, so that the paint removal solution flows along the inclined rotating baffle 6 to the paint removal solution collection tank 7, thereby collecting the paint removal solution into the paint removal solution collection tank 7; it is also used to, when cleaning parts, drive the upper part of the rotating baffle 6 to swing to one side of the paint removal solution collection tank 7, so that the paint removal cleaning water flows along the inclined rotating baffle 6 to the cleaning water collection tank 12, thereby collecting the paint removal cleaning water into the cleaning water collection tank 12.

[0016] Optionally, in the integrated automatic device for removing paint from parts as described above, the paint removal solution purification and circulation system includes: a paint removal solution collection tank 7, a paint removal solution circulation pump 8, a sedimentation sludge pump 9, a paint removal solution sedimentation sludge tank 10, an automatic solution control valve 11, and a spray head 4 shared with the parts paint removal system.

[0017] In this case, impurities in the paint removal solution collection tank 7 are deposited and stratified, resulting in a lower layer of solid impurities and an upper layer of paint removal solution.

[0018] The upper layer of the paint removal solution collection tank 7 is connected to the paint removal solution circulation pump 8 through a pipe, and an automatic solution control valve 11 is installed on the pipe. Under the action of the paint removal solution circulation pump 8 and the control of the automatic solution control valve 11, the paint removal solution in the upper layer of the paint removal solution collection tank 7 is sprayed onto the surface of the paint removal part 3 through the spray head 4, causing the paint layer on the part to oxidize, corrode and peel off, and causing the paint removal solution to flow along the inclined rotating baffle 6 to the paint removal solution collection tank 7, so that the paint removal solution completes one cycle of use.

[0019] The lower layer of the paint removal solution collection tank 7 is connected to the sedimentation sludge pump 9 via a pipe, and the other end of the sedimentation sludge pump 9 is connected to the paint removal solution sedimentation sludge tank 10. Under the action of the sedimentation sludge pump 9, the solid impurities in the lower layer of the paint removal solution collection tank 7 are pumped to the paint removal solution sedimentation sludge tank 10 for collection and storage.

[0020] Optionally, in the integrated automatic device for removing paint from parts as described above, the paint removal cleaning water purification and circulation system includes: a cleaning water collection tank 12, a wastewater treatment dosing tank 13, a dosing pump 14, a circulating water pump 15, a sludge pump 16, a sludge storage tank 17, an automatic return water control valve 18, and a spray head 4 shared with the parts paint removal system.

[0021] The cleaning water collection tank 12 is connected to the wastewater treatment dosing tank 13, and the rear end of the wastewater treatment dosing tank is connected to the dosing pump 14, which is used to add the water treatment solution from the wastewater treatment dosing tank 13 to the cleaning water collection tank 12 for wastewater treatment, so that the cleaning water collection tank 12 forms a layer, with the upper layer being clean water and some impurities and sludge settling in the lower layer.

[0022] The upper part of the cleaning water collection tank 12 is provided with an outlet and a pipe, which is connected to the circulating water pump 15 and the automatic return water control valve 18 through the pipe. Under the action of the circulating water pump 15 and the control of the automatic return water control valve 18, the clean water in the upper part of the cleaning water collection tank 12 is pumped to the spray head 4 through the circulating water pump 15, and is repeatedly recycled under the automatic control of the automatic return water control valve 18.

[0023] The bottom of the cleaning water collection tank 12 is connected to the sludge pump 16 via a pipe. Under the action of the sludge pump 16, the sludge deposited in the cleaning water collection tank 12 is pumped to the sludge storage tank 17 below for collection and storage.

[0024] Optionally, in the integrated automatic device for removing paint from parts as described above, the exhaust gas collection and treatment system includes: a paint removal exhaust gas collection hood 19, an exhaust gas fan 20, an exhaust gas treatment tower 21, and a paint removal treatment box 1 shared with the parts paint removal system.

[0025] The exhaust gas collection and treatment system is used to collect exhaust gas through the exhaust gas collection hood 19 set on the top of the paint removal treatment box 1 during the paint removal process. The exhaust gas collection hood 19 is connected to the exhaust gas fan 20 through the exhaust pipe to accelerate the gas flow of the exhaust gas collection and treatment system and speed up the drying speed of the cleaned parts. Under the action of the exhaust gas fan 20, the collected exhaust gas is pumped to the exhaust gas treatment tower 21 for exhaust gas treatment, so that the treated exhaust gas meets the emission standards.

[0026] The beneficial effects of this utility model are as follows: This utility model provides an integrated automatic device for removing paint from parts. By integrating and designing a paint removal system, a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and a waste gas collection and treatment system, it achieves integrated and miniaturized paint removal equipment. It optimizes non-flowing paint removal into a pressurized flowing paint removal method, accelerating the contact time between the paint removal solution and the paint layer, increasing pressure to accelerate paint removal, and improving paint removal efficiency. It achieves purification and recycling of water and paint removal solution, greatly reducing the consumption of paint removal solution and water, and reducing pollutant emissions. It achieves precise collection and treatment of wastewater and waste gas throughout the production process, meeting environmental emission requirements. It ensures the product quality of the paint-removed parts and has wide applicability. The integrated automatic device for removing paint from parts provided by this utility model has the following beneficial effects:

[0027] First, this integrated automatic paint removal device can perfectly combine the functions of paint removal solution treatment, residual paint cleaning, and parts drying into one device, replacing the functions of three sets of equipment in the traditional sense, greatly reducing equipment investment costs. The footprint of this device is smaller than that of traditional equipment.

[0028] Secondly, the device adopts automated operation, making operation more convenient; the integrated automatic paint removal device has a paint removal solution purification and circulation system, which allows the paint removal solution to be recycled after purification, reducing the frequency and amount of waste of the paint removal solution, and reducing the emission of pollutants and costs.

[0029] Third, the device is equipped with a paint removal cleaning water purification and circulation system, which allows the paint removal cleaning water to be treated by the wastewater treatment system and reused repeatedly, reducing the amount of cleaning water, saving energy, reducing the emission of pollutants, and achieving green production.

[0030] Fourth, the device is relatively enclosed, which is more conducive to the precise collection of waste gas compared to traditional methods. It is equipped with a waste gas collection and treatment system to achieve the standard emission of pollutants.

[0031] Fifth, this device changes the traditional immersion method for paint removal, and adopts a pressurized spray solution method for paint removal. Compared with the traditional immersion method, it saves solution. The pressurized spray makes the solution flow, which increases the reaction speed with the paint layer, accelerates the separation of the paint layer from the part substrate, improves the paint removal efficiency, avoids the deposition of waste paint residue on the parts, and thus reduces the carry-out of pollutants.

[0032] The integrated automatic device for removing paint from parts provided in this utility model embodiment changes the current situation of traditional solution paint removal production lines with many devices and large floor space; it solves the problems of cumbersome operation, manual operation and uncontrollable quality in traditional solution paint removal; it changes the current situation of low efficiency and poor paint removal quality in traditional solution immersion paint removal; it solves the problem of traditional paint removal solutions being unable to be purified and recycled; and it gets rid of the problem of unorganized emission of wastewater and exhaust gas from traditional solution paint removal production lines, which cannot be collected and treated. Attached Figure Description

[0033] The accompanying drawings are provided to further illustrate the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solution of this utility model and do not constitute a limitation on the technical solution of this utility model.

[0034] Figure 1 This is a schematic diagram of a typical paint-removed part in an embodiment of this utility model;

[0035] Figure 2 A schematic diagram of the overall structure of the integrated automatic device for removing paint from parts provided in this embodiment of the utility model;

[0036] Figure 3 for Figure 2 The illustrated embodiment shows an integrated automatic device for removing paint from parts in the paint removal state.

[0037] Figure 4 for Figure 2 The illustrated embodiment shows an integrated automatic device for removing paint from parts in the paint removal and cleaning state.

[0038] Figure 5 for Figure 2 The diagram shown is a structural schematic of the paint removal system in the integrated automatic device for removing paint from parts provided in the embodiment.

[0039] Figure 6 for Figure 2 The diagram shown is a structural schematic of the paint removal solution purification and circulation system in the integrated automatic device for removing paint from parts provided in the embodiment.

[0040] Figure 7 for Figure 2 The diagram shown is a structural schematic of the paint removal and cleaning water purification and circulation system in the integrated automatic device for removing paint from parts provided in the embodiment.

[0041] Figure 8 for Figure 2 The illustrated embodiment provides a schematic diagram of the waste gas collection and treatment system in an integrated automatic device for removing paint from parts.

[0042] Explanation of reference numerals in the attached figures:

[0043] 1-Paint removal treatment box, 2-Parts mounting rack, 3-Paint removal parts, 4-Spray head, 5-Motor, 6-Rotating baffle, 7-Paint removal solution collection tank, 8-Paint removal solution circulation pump, 9-Sedimentation sludge pump, 10-Paint removal solution sedimentation sludge tank, 11-Automatic solution control valve, 12-Cleaning water collection tank, 13-Wastewater treatment dosing tank, 14-Dosing pump, 15-Circulating water pump, 16-Sludge pump, 17-Sludge storage tank, 18-Automatic return water control valve, 19-Paint removal exhaust gas collection hood, 20-Exhaust gas exhaust fan, 21-Exhaust gas treatment tower. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

[0045] The background section has explained the necessity of paint removal and repair processes in aircraft parts manufacturing, and provided two commonly used methods for paint removal and repair: solution-based paint removal and physical-mechanical paint removal. However, using existing technologies for paint removal and repair often suffers from numerous drawbacks, such as requiring a large amount of equipment, lengthy processes, and causing significant pollution.

[0046] To overcome the drawbacks of traditional paint stripping processes, such as numerous equipment, long procedures, cumbersome operation, unorganized pollutant emissions, and poor paint removal quality, and based on solution-based paint stripping technology and considering actual production conditions, there is an urgent need to develop a universal paint stripping device that is easy to operate, highly automated, and integrates pollutant collection and treatment. Furthermore, a method is needed to meet the paint stripping requirements of various parts, thereby addressing the aforementioned deficiencies of existing technologies. Based on these needs, this utility model provides an integrated automatic device for removing paint layers from parts, and correspondingly proposes a method to meet the paint stripping requirements of various parts.

[0047] The present invention provides the following specific embodiments, which can be combined with each other. For the same or similar concepts or processes, they will not be described again in some embodiments.

[0048] Figure 1 This is a schematic diagram of a typical paint-removed part in an embodiment of this utility model; Figure 2 This is a schematic diagram of the overall structure of the integrated automatic device for removing paint from parts provided in this embodiment of the present invention. The main structure of the integrated automatic device for removing paint from parts provided in this embodiment of the present invention includes the following systems: a paint removal system, a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and a waste gas collection and treatment system.

[0049] like Figure 2 As shown, the paint removal system is mainly used for removing paint from parts. The hung parts to be painted are sequentially sprayed with paint removal solution and water for paint removal and cleaning, and the solutions and cleaning water are collected. The paint removal solution purification and circulation system is mainly used for storing and supplying the paint removal solution, and collecting, purifying, and recycling it. The paint removal cleaning water purification and circulation system is mainly used for storing and supplying the cleaning water after paint removal, and collecting, purifying, and recycling it. The exhaust gas collection and treatment system is mainly used for collecting and purifying the exhaust gas generated during the paint removal process to achieve compliant emissions and accelerate the drying of the parts. The paint removal system for parts needs to be connected to a paint removal solution purification and circulation system. This system provides the paint removal solution to the parts and purifies and recycles it. Additionally, the system needs to be connected to a paint removal cleaning water purification and circulation system. This system provides cleaning water to the parts after paint removal and purifies and recycles it. Furthermore, the system needs to be connected to an exhaust gas collection and treatment system. This system collects and treats the exhaust gas generated during the paint removal process to ensure it meets emission standards.

[0050] In one implementation of this utility model embodiment, such as Figure 2 and Figure 5 As shown, the paint removal system for parts includes: a paint removal treatment box 1, a parts mounting rack 2, paint removal parts 3, a spray head 4, a motor 5, and a rotating partition 6. Figure 3 for Figure 2 The illustrated embodiment shows an integrated automatic device for removing paint from parts in the paint removal state. Figure 4 for Figure 2 The illustrated embodiment shows an integrated automatic device for removing paint from parts in the paint removal and cleaning state. Figure 5 for Figure 2 The illustrated embodiment provides a schematic diagram of the paint removal system in an integrated automatic device for removing paint from parts.

[0051] In this implementation, the paint removal treatment box 1 is the main operating chamber of the parts paint removal system. A parts mounting rack 2 is set at the upper center of the slot of the paint removal treatment box 1, and the paint-removing parts 3 are hung on the parts mounting rack 2. Spray heads 4 are evenly arranged on the spray pipes in the area directly above the parts mounting rack 2. During and after the paint removal process, the parts are sprayed with solution and cleaning water in sequence to remove the paint. A motor 5 and a rotating partition 6 are set at the lower part of the paint removal treatment box 1. The rotating partition 6 is mounted on the main shaft of the motor 5. The reciprocating rotation of the main shaft of the motor 5 drives the rotating partition 6 to swing left and right.

[0052] See Figure 3 and Figure 4 As shown, when the paint is removed from part 3, the main shaft of the motor 5 drives the upper part of the rotating baffle 6 to swing to one side of the cleaning water collection tank 12, so that the paint removal solution flows along the inclined rotating baffle 6 to the paint removal solution collection tank 7, so as to collect the paint removal solution of the part into the paint removal solution collection tank 7; when the part is cleaned, the main shaft of the motor 5 drives the upper part of the rotating baffle 6 to swing to one side of the paint removal solution collection tank 7, so that the paint removal cleaning water flows along the inclined rotating baffle 6 to the cleaning water collection tank 12, so as to collect the paint removal cleaning water of the part into the cleaning water collection tank 12.

[0053] In one implementation of this utility model, the paint removal solution purification and circulation system includes: a paint removal solution collection tank 7, a paint removal solution circulation pump 8, a sedimentation sludge pump 9, a paint removal solution sedimentation sludge tank 10, an automatic solution control valve 11, and a spray head 4 shared with the parts paint removal system. Figure 6 As shown, Figure 2 The illustrated embodiment provides a schematic diagram of the paint removal solution purification and circulation system in an integrated automatic device for removing paint from parts.

[0054] In this implementation, the paint remover solution collection tank 7 serves as both an initial solution storage tank and a paint remover solution circulation collection tank. During the short storage period, impurities in the paint remover solution within the tank will deposit and stratify, resulting in a lower layer of solid impurities and an upper layer of relatively clean paint remover solution. On one hand, the upper layer of the paint remover solution collection tank 7 is connected to a paint remover solution circulation pump 8 via a pipe, and an automatic solution control valve 11 is installed on the pipe. Under the action of the paint remover solution circulation pump 8 and the control of the automatic solution control valve 11, the relatively clean upper layer of paint remover solution in the collection tank 7 is pressurized and sprayed at high speed onto the surface of the paint-removing part 3 through the spray nozzle 4, causing the paint layer on the part to oxidize, corrode, and peel off. The paint remover solution then flows along the inclined rotating baffle 6 back to the paint remover solution collection tank 7, completing one cycle of use. On the other hand, the lower layer of the paint removal solution collection tank 7 is connected to the sedimentation sludge pump 9 through a pipe, and the other end of the sedimentation sludge pump 9 is connected to the paint removal solution sedimentation sludge tank 10. Under the action of the sedimentation sludge pump 9, the impurities in the lower layer of the paint removal solution collection tank 7 are pumped to the paint removal solution sedimentation sludge tank 10 for collection and storage.

[0055] In one implementation of this utility model, the paint removal cleaning water purification and circulation system includes: a cleaning water collection tank 12, a wastewater treatment dosing tank 13, a dosing pump 14, a circulating water pump 15, a sludge pump 16, a sludge storage tank 17, an automatic return water control valve 18, and a spray head 4 shared with the parts paint removal system. Figure 7 As shown, Figure 2The illustrated embodiment provides a schematic diagram of the paint removal and cleaning water purification and circulation system in an integrated automatic device for removing paint from parts.

[0056] In this implementation, the cleaning water collection tank 12 serves as both an initial storage tank for the cleaning water and a circulating collection tank for the cleaning water after paint removal. A wastewater treatment dosing tank 13 is connected to the cleaning water collection tank 12, with a dosing pump 14 connected to its rear end. Under the action of the dosing pump 14, the water treatment solution from the wastewater treatment dosing tank 13 is added to the cleaning water collection tank 12 for appropriate wastewater treatment, resulting in clean water at the top and some impurities and sludge settling at the bottom. On one hand, an outlet and pipe are provided at the top of the cleaning water collection tank 12, connected to a circulating water pump 15 and an automatic return water control valve 18. Under the action of the circulating water pump 15 and the control of the automatic return water control valve 18, the valve can control the opening and closing of the upper clean water layer, allowing the clean water from the upper layer of the cleaning water collection tank 12 to be pumped to the spray head 4 by the circulating water pump 15 and repeatedly recycled under the automatic control of the automatic return water control valve 18. On the other hand, a pipe is used to connect the bottom of the cleaning water collection tank 12 to the sludge pump 16. Under the action of the sludge pump 16, the sludge deposited in the cleaning water collection tank 12 is pumped to the sludge storage tank 17 below for collection and storage.

[0057] In one implementation of this utility model, the waste gas collection and treatment system includes: a paint removal waste gas collection hood 19, a waste gas exhaust fan 20, a waste gas treatment tower 21, and a paint removal treatment box 1 shared with the parts paint removal system. Figure 8 As shown, Figure 2 The illustrated embodiment provides a schematic diagram of the waste gas collection and treatment system in an integrated automatic device for removing paint from parts.

[0058] In this implementation, during the paint removal process, exhaust gas is collected by the paint removal exhaust gas collection hood 19 installed on the top of the paint removal treatment box 1. The paint removal exhaust gas collection hood 19 is connected to the exhaust gas fan 20 through the exhaust pipe, which accelerates the gas flow of the exhaust gas collection and treatment system and speeds up the drying speed of the cleaned parts. Under the action of the exhaust gas fan 20, the collected exhaust gas is pumped to the exhaust gas treatment tower 21 for exhaust gas treatment, and the treated exhaust gas meets the emission standards.

[0059] The working principle of the integrated automatic device for removing paint from parts provided in this embodiment of the utility model is as follows: It integrates a spray-type integrated paint removal system, a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and a waste gas collection and treatment system. A spray-type paint removal treatment box is installed. First, the motor outside the spray-type paint removal treatment box is started, causing the motor shaft to drive a rotating partition to rotate to the side of the cleaning water collection box. The waste gas exhaust fan and waste gas treatment tower purification system are then turned on. Parts are hung on the upper layer of the paint removal treatment box, and spray heads are installed on the upper layer of the part hangers. The paint removal solution is circulated by a paint removal solution circulation pump. The clean upper layer of paint remover solution is pressurized by a paint remover solution circulation pump and sprayed at high pressure onto the surface of the parts that need paint removal under the action of the spray head. This allows the paint remover solution to react quickly and fully with the paint layer on the surface of the parts, accelerating the removal and peeling of the paint layer. The sprayed paint remover solution flows to the paint remover solution collection tank by the inclination of the rotating baffle. In the solution collection tank, some impurities and sludge settle to the lower layer. As needed, the sludge is periodically pumped to the paint remover solution sedimentation sludge tank for storage and unified treatment using a sedimentation sludge pump. The clean upper layer of paint remover solution is pumped to the spray head for repeated recycling. Once the paint layer on the surface of the parts has been completely removed, the motor outside the paint removal treatment tank is automatically started. The motor rotates the rotating baffle to the side of the paint removal solution collection tank, and the circulating water pump starts to spray pressurized water through the spray head to quickly clean the residual dirt on the surface of the parts. The spray water flows to the cleaning water collection tank by the inclination of the rotating baffle. The water treatment solution in the dosing tank is added to the cleaning water collection tank by the dosing pump at regular intervals for appropriate wastewater treatment. The upper layer is clean water, and some impurities and sludge settle in the lower layer. As needed, the sludge is periodically pumped to the sludge storage tank by the sludge pump for storage and unified treatment. The clean water in the upper layer is pumped to the spray head for repeated recycling. Waste gas is generated during the entire process of paint removal and cleaning of parts. The waste gas is collected by the paint removal waste gas collection hood under the action of the waste gas exhaust fan, and the collected waste gas is treated in a waste gas treatment tower. During this process, the gas flow in the upper part of the paint removal treatment box is accelerated by the action of the fan, thereby accelerating the drying speed of the parts. The whole process is not only highly efficient, but also has low energy loss, high resource utilization, and guaranteed product quality.

[0060] The integrated automatic device for removing paint from parts provided in this embodiment of the invention integrates and designs a paint removal system, a paint removal solution purification and circulation system, a paint removal cleaning water purification and circulation system, and a waste gas collection and treatment system, achieving integrated and miniaturized paint removal equipment. It optimizes non-flowing paint removal into a pressurized flowing paint removal method, accelerating the contact time between the paint removal solution and the paint layer, increasing pressure to accelerate paint removal, and improving paint removal efficiency. It achieves purification and recycling of water and paint removal solution, greatly reducing the consumption of paint removal solution and water, and reducing pollutant emissions. It achieves precise collection and treatment of wastewater and waste gas throughout the production process, meeting environmental emission requirements. It ensures the product quality of the paint-removed parts and has wide applicability. The integrated automatic device for removing paint from parts provided in this embodiment of the invention has the following beneficial effects:

[0061] First, this integrated automatic paint removal device can perfectly combine the functions of paint removal solution treatment, residual paint cleaning, and parts drying into one device, replacing the functions of three sets of equipment in the traditional sense, greatly reducing equipment investment costs. The footprint of this device is smaller than that of traditional equipment.

[0062] Secondly, the device adopts automated operation, making operation more convenient; the integrated automatic paint removal device has a paint removal solution purification and circulation system, which allows the paint removal solution to be recycled after purification, reducing the frequency and amount of waste of the paint removal solution, and reducing the emission of pollutants and costs.

[0063] Third, the device is equipped with a paint removal cleaning water purification and circulation system, which allows the paint removal cleaning water to be treated by the wastewater treatment system and reused repeatedly, reducing the amount of cleaning water, saving energy, reducing the emission of pollutants, and achieving green production.

[0064] Fourth, the device is relatively enclosed, which is more conducive to the precise collection of waste gas compared to traditional methods. It is equipped with a waste gas collection and treatment system to achieve the standard emission of pollutants.

[0065] Fifth, this device changes the traditional immersion method for paint removal, and adopts a pressurized spray solution method for paint removal. Compared with the traditional immersion method, it saves solution. The pressurized spray makes the solution flow, which increases the reaction speed with the paint layer, accelerates the separation of the paint layer from the part substrate, improves the paint removal efficiency, avoids the deposition of waste paint residue on the parts, and thus reduces the carry-out of pollutants.

[0066] The integrated automatic device for removing paint from parts provided in this utility model embodiment changes the current situation of traditional solution paint removal production lines with many devices and large floor space; it solves the problems of cumbersome operation, manual operation and uncontrollable quality in traditional solution paint removal; it changes the current situation of low efficiency and poor paint removal quality in traditional solution immersion paint removal; it solves the problem of traditional paint removal solutions being unable to be purified and recycled; and it gets rid of the problem of unorganized emission of wastewater and exhaust gas from traditional solution paint removal production lines, which cannot be collected and treated.

[0067] The following is an illustrative description of a specific implementation scheme for an integrated automatic device for removing paint from parts, provided by this utility model.

[0068] First, a steel box, namely the paint removal treatment box 1, needs to be manufactured. A reciprocating motor 5 is installed on the front of the lower part of the box. A rotating baffle 6 that covers the inclined direction of the box is installed on the main shaft of the motor 5. After receiving a paint removal or cleaning signal, the main shaft of the motor 5 rotates, driving the rotating baffle 6 to rotate. A paint removal solution collection box 7 is installed on one side of the bottom of the paint removal treatment box 1 to hold and collect the paint removal solution. Over a period of time, impurities in the paint removal solution collection box 7 will accumulate, resulting in a lower layer of solid impurities and an upper layer of relatively clean paint removal solution. The upper part of the paint removal solution collection box 7 is connected to the spray head 4 through pipes and an automatic solution control valve 11. Under the action of the paint removal solution circulation pump 8, the relatively clean solution in the upper part of the paint removal treatment box 1 is circulated. High pressure and high speed are delivered to the spray head 4, and the automatic solution control valve 11 controls the opening and closing of the paint removal solution; the high pressure and high speed of the paint removal solution sprays onto the surface of 3-typical parts, and the paint layer on the parts is removed under the spraying action of the paint removal solution; when the parts are being painted, the main shaft of the motor 5 drives the upper part of the rotating baffle 6 to the side of the cleaning water collection tank 12, so that the paint removal solution flows along the inclined plate to the paint removal solution collection tank 7, and the paint removal solution of the parts is collected in the paint removal solution collection tank 7; the paint removal process of the parts is completed, and a set of paint removal solution circulation system is formed; an outlet connection pipe is set at the lower layer of the paint removal solution collection tank 7, and under the action of the sedimentation sludge pump 9, the sedimented impurities and sludge at the lower layer of the paint removal solution collection tank are pumped to the paint removal solution sedimentation sludge tank 10 for collection and storage.

[0069] Then, a cleaning water collection tank 12 is installed on the other side of the bottom of the paint removal treatment tank 1 to collect the paint removal cleaning water. Wastewater treatment solution from the wastewater treatment dosing tank 13 is pumped to the cleaning water collection tank 12 by the dosing pump 14 for wastewater treatment. Through oxidation-reduction reaction and flocculation sedimentation, solids in the wastewater settle to the bottom of the cleaning water collection tank 12, purifying the upper layer of water. The upper part of the cleaning water collection tank 12 is connected to the spray head 4 via pipes, a circulating water pump 15, and an automatic return water control valve 18. This allows the clean water from the upper layer of the cleaning water collection tank 12 to reach the spray head 4 via the circulating water pump 15, and the automatic return water control valve 18 controls the opening and closing of the water flow. Parts hangers 2 and 3 are installed below the shower head 4 to hold typical parts. Under the spraying action of water, residual contaminants on the parts are cleaned. When the parts are being cleaned, the main shaft of the motor 5 drives the upper part of the rotating baffle 6 to the side of the paint removal solution collection tank 7, so that the paint removal cleaning water flows along the inclined plate to the cleaning water collection tank 12, and collects the paint removal cleaning water of the parts into the cleaning water collection tank 12. The paint removal cleaning process of the parts is completed, and a set of paint removal cleaning water circulation system is formed. At the bottom of the cleaning water collection tank 12, a pipe is connected to the sludge pump 16. Under the action of the sludge pump 16, the sludge deposited in the cleaning water collection tank 12 is pumped to the sludge storage tank 17 below for collection and storage.

[0070] Finally, a paint removal exhaust gas collection hood 19 is installed at the top slot of the paint removal treatment box 1. One end of the paint removal exhaust gas collection hood 19 is connected to the exhaust gas fan 20 through a pipe, and the other end is connected to the exhaust gas treatment tower 21. The collected exhaust gas is sent into the exhaust gas treatment tower for exhaust gas treatment under the action of the exhaust gas fan 20 through the pipe. The treated exhaust gas is discharged through the chimney in compliance with standards.

[0071] The following describes the method and steps for removing paint from parts using the integrated automatic device for removing paint from parts provided in the embodiments of this utility model.

[0072] Step 1: Start the motor 5 first, so that the main shaft of the motor 5 drives the top of the rotating partition 6 to rotate to the side above the cleaning water collection tank 12;

[0073] Step 2: Turn on the exhaust fan 20 and the exhaust treatment tower 21 purification system;

[0074] Step 3: Hang 3 typical parts on the parts rack 2 at the center of the upper part of the slot of the paint removal treatment box 1;

[0075] Step 4: Start the paint removal solution circulation pump 8. Pressurize the clean paint removal solution on the upper layer of the paint removal solution collection tank 7 through the paint removal solution circulation pump 8. Under the action of the spray head 4, spray it onto the surface of the parts that need paint removal at a higher pressure and a faster speed, so that the paint removal solution can quickly and fully react with the paint layer on the surface of the parts and accelerate the removal and peeling of the paint layer.

[0076] Step 5: The sprayed paint removal solution relies on the inclination of the rotating baffle 6 and, under the action of gravity, automatically flows along the rotating baffle 6 to the paint removal solution collection box 7, completing the paint removal process of the parts and the collection of the paint removal solution.

[0077] Step 6: The paint removal solution is allowed to settle for a short period in the paint removal solution collection tank 7, allowing some impurities and sludge to settle at the bottom, thus purifying the upper layer of paint removal solution. The clean upper layer of paint removal solution is then pumped to the spray head 4 via the paint removal solution circulation pump 8 for spraying and paint removal, enabling the repeated recycling of the paint removal solution. As needed, sludge is periodically pumped to the paint removal solution sedimentation sludge tank 10 via the sedimentation sludge pump 9 for storage and unified treatment.

[0078] Step 7: After the paint removal process is completed, the motor 5 is automatically started, causing the top of the rotating partition 6 to rotate to one side of the paint removal solution collection tank 7;

[0079] Step 8: The circulating water pump 15 is automatically started to spray under pressure through the spray head 4. Under the action of high speed and high pressure spray water, the separation and cleaning of the residue on the surface of the paint-removed parts is accelerated, so that the surface of the parts is clean.

[0080] Step 9: The spray water, relying on the inclination of the rotating baffle 6, flows to the cleaning water collection tank 12 under the action of gravity, thus completing the collection of paint removal cleaning water.

[0081] Step 10: Periodically add the wastewater treatment solution from the wastewater treatment dosing tank 13 to the cleaning water collection tank 12 via the dosing pump 14 for appropriate wastewater treatment. This ensures that the upper layer is clean water, while some impurities and sludge settle at the lower layer, thus purifying the upper cleaning water. The clean water from the upper layer is then pumped to the spray head 4 via the circulating water pump 15 to clean the paint residue and other contaminants from the surface of the parts after paint removal, achieving purification and reuse of the paint removal cleaning water. As needed, periodically pump the sludge to the sludge storage tank 17 via the sludge pump 16 for storage and unified treatment.

[0082] Step 11: Keep the exhaust fan 20 running throughout the entire process of paint removal and cleaning of the parts; accelerate the gas flow in the upper part of the paint removal treatment box 1, thereby accelerating the drying speed of the parts and completing the drying work of the paint-removed parts.

[0083] Although the embodiments disclosed in this utility model are as described above, the content is only for the purpose of facilitating understanding of this utility model and is not intended to limit this utility model. Any person skilled in the art to which this utility model pertains may make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in this utility model, but the patent protection scope of this utility model shall still be determined by the scope defined in the appended claims.

Claims

1. An integrated automatic device for stripping paint from a part, characterized in that, The system comprises: a paint removal system for parts, a paint removal solution purification circulation system, a paint removal cleaning water purification circulation system, a waste gas collection and treatment system; The paint removal system for parts is used for paint removal part operation, and the paint removal system for parts is used for paint removal part operation. The paint removal solution purification circulation system is used for storage and supply of paint removal solution, and the paint removal solution purification circulation system is used for collection, purification and recycling of paint removal solution. The paint removal cleaning water purification circulation system is used for storage and supply of paint removal cleaning water, and the paint removal cleaning water purification circulation system is used for collection, purification and recycling of paint removal cleaning water. The waste gas collection and treatment system is used for collection, purification and treatment of waste gas generated during paint removal, so as to achieve standard emission and accelerate drying of the parts. The paint removal system for parts is connected with the paint removal solution purification circulation system, the paint removal cleaning water purification circulation system and the waste gas collection and treatment system.

2. The integrated automatic apparatus for stripping paint from a part according to claim 1, wherein, The paint removal system for parts comprises a paint removal treatment box (1), a part hanging rack (2), a paint removal part (3), a spray head (4), a motor (5) and a rotating partition (6). The paint removal treatment box (1) is a main operation room of the paint removal system for parts. The spray head (4) is uniformly arranged on the spray pipe above the part hanging rack (2). The motor (5) and the rotating partition (6) are arranged below the paint removal treatment box (1). The rotating partition (6) is installed on the main shaft of the motor (5).

3. The integrated automatic device for removing paint layer from parts according to claim 2, wherein When the parts are subjected to paint removal, the upper part of the rotating partition (6) is swung to one side of the cleaning water collection box (12) by the main shaft of the motor (5), so that the paint removal solution flows along the rotating partition (6) in an inclined state to the paint removal solution collection box (7), and the paint removal solution of the parts is collected into the paint removal solution collection box (7). When the parts are subjected to cleaning, the upper part of the rotating partition (6) is swung to one side of the paint removal solution collection box (7) by the main shaft of the motor (5), so that the paint removal cleaning water flows along the rotating partition (6) in an inclined state to the cleaning water collection box (12), and the paint removal cleaning water of the parts is collected into the cleaning water collection box (12).

4. The integrated automatic apparatus for stripping paint from a part according to claim 3, wherein, The paint removal solution purification circulation system comprises a paint removal solution collecting tank (7), a paint removal solution circulating pump (8), a sediment sludge pump (9), a paint removal solution sediment sludge tank (10), a solution automatic control valve (11), and a spray head (4) shared by the part paint removal system; The paint removal solution in the paint removal solution collecting tank (7) is deposited in layers, with solid impurities in the lower layer and paint removal solution in the upper layer; The upper layer of the paint removal solution collecting tank (7) is connected to the paint removal solution circulating pump (8) through a pipeline, and a solution automatic control valve (11) is installed on the pipeline. Under the action of the paint removal solution circulating pump (8) and the control of the solution automatic control valve (11), the paint removal solution in the upper layer of the paint removal solution collecting tank (7) is sprayed to the surface of the paint removal part (3) through the spray head (4), so that the paint layer on the part is oxidized, corroded and peeled off, and the paint removal solution flows along the rotating partition plate (6) in an inclined state to the paint removal solution collecting tank (7), so that the paint removal solution completes a cycle of use. The lower layer of the paint removal solution collecting tank (7) is connected to the sediment sludge pump (9) through a pipeline, and the other end of the sediment sludge pump (9) is connected to the paint removal solution sediment sludge tank (10). Under the action of the sediment sludge pump (9), the solid impurities in the lower layer of the paint removal solution collecting tank (7) are pumped to the paint removal solution sediment sludge tank (10) for collection and storage.

5. The integrated automatic apparatus for stripping paint from a part according to claim 3, wherein, The paint removal solution purification circulation system comprises a paint removal solution collecting tank (7), a paint removal solution circulating pump (8), a sediment sludge pump (9), a paint removal solution sediment sludge tank (10), a solution automatic control valve (11), and a spray head (4) shared by the part paint removal system; The paint removal solution in the paint removal solution collecting tank (7) is deposited in layers, with solid impurities in the lower layer and paint removal solution in the upper layer; The upper layer of the paint removal solution collecting tank (7) is connected to the paint removal solution circulating pump (8) through a pipeline, and a solution automatic control valve (11) is installed on the pipeline. Under the action of the paint removal solution circulating pump (8) and the control of the solution automatic control valve (11), the paint removal solution in the upper layer of the paint removal solution collecting tank (7) is sprayed to the surface of the paint removal part (3) through the spray head (4), so that the paint layer on the part is oxidized, corroded and peeled off, and the paint removal solution flows along the rotating partition plate (6) in an inclined state to the paint removal solution collecting tank (7), so that the paint removal solution completes a cycle of use. The lower layer of the paint removal solution collecting tank (7) is connected to the sediment sludge pump (9) through a pipeline, and the other end of the sediment sludge pump (9) is connected to the paint removal solution sediment sludge tank (10). Under the action of the sediment sludge pump (9), the solid impurities in the lower layer of the paint removal solution collecting tank (7) are pumped to the paint removal solution sediment sludge tank (10) for collection and storage.

6. The integrated automatic apparatus for stripping paint from a part according to claim 3, wherein, The waste gas collection and treatment system comprises a paint removal waste gas collecting cover (19), a waste gas exhaust fan (20), a waste gas treatment tower (21), and a paint removal treatment tank (1) shared by the part paint removal system; The waste gas collecting and processing system is used for collecting waste gas through the paint removal waste gas collecting cover (19) arranged on the top of the paint removal processing box (1) during the paint removal process. The paint removal waste gas collecting cover (19) is connected with the waste gas exhaust fan (20) through the exhaust pipeline, so that the gas circulation of the waste gas collecting and processing system is accelerated, and the drying speed of the cleaned parts is also accelerated. The collected waste gas is pumped to the waste gas processing tower (21) for waste gas treatment under the action of the waste gas exhaust fan (20), so that the treated waste gas can be discharged up to the standard.

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