Surface spraying and repairing device for remanufactured engine parts

Abstract

The invention belongs to the technical field of engine spraying repair, and particularly relates to a remanufactured engine part surface spraying repair device which comprises a fixing device, a detection device, a clamp spraying device and a dust removal device. The fixing device comprises a supporting frame, a conveying belt and a driving motor, the conveying belt is transversely installed at the top of the supporting frame, transmission shafts are installed at the two ends of the conveying belt, belt wheels are installed at the front ends of the transmission shafts and the driving motor, and a transmission belt is installed between the two belt wheels; the driving motor drives the transmission shaft to drive the conveying belt to rotate; according to the device, the two sets of clamp spraying devices are oppositely arranged and matched with each other, coating spraying and part overturning work can be rapidly completed, compared with a traditional manual operation mode, the spraying repairing efficiency is remarkably improved, and the requirement of large-scale production can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of engine spraying repair, and particularly to a surface spraying repair device for remanufactured engine parts. Background Art

[0002] In the field of engine remanufacturing, due to long-term use, the surfaces of engine parts will inevitably have damages such as wear, corrosion, and scratches. These damages will not only affect the performance and reliability of the engine, but also may lead to increased energy consumption and environmental pollution. Therefore, surface repair of engine parts is one of the key links in the engine remanufacturing process.

[0003] With the continuous development of the engine remanufacturing industry, the requirements for the standardization and automation of repair equipment are getting higher and higher. Some existing repair equipment is difficult to meet the production needs of large-scale, high-efficiency, and high-quality, and cannot adapt to the modern production mode. Traditional spraying repair methods often require a large amount of manual operation. Manual operation is not only inefficient, but also the spraying quality is difficult to guarantee, and problems such as uneven spraying are likely to occur, resulting in unstable performance of the repaired parts.

[0004] In addition, the waste gas generated during spraying will also pollute the surrounding air and cause damage to the environment and the workers working around. Therefore, a device with standardized and environment-friendly operation is particularly important. For the above reasons, we propose a surface spraying repair device for remanufactured engine parts. Summary of the Invention

[0005] The purpose of the present invention is to provide a surface spraying repair device for remanufactured engine parts to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A surface spraying repair device for remanufactured engine parts, including a fixing device, a detection device, a fixture spraying device, and a dust removal device; The fixing device includes a support frame, a conveyor belt, and a driving motor. The conveyor belt is horizontally installed on the top of the support frame. Transmission shafts are installed at both ends of the conveyor belt. Pulley wheels are installed at the front ends of the transmission shafts and the driving motor, and a transmission belt is installed between the two pulley wheels; The driving motor drives the transmission shaft to drive the conveyor belt to rotate; Suction air duct machines are symmetrically installed on the tops of the two frames. Air intake grids are provided on the opposite sides of the two suction air duct machines; The suction air duct machines are located on both sides of the conveyor belt, and the waste gas generated during spraying can be sucked away by the suction air duct machines; The support frame is provided with a detection device. There are two groups of detection devices, and they are installed on the frame in a front-back offset manner. The detection device includes a support rod, a mounting slider, and three vision sensors; On the front and rear sides of the top of the support frame, there are symmetrically arranged side frames, and sliding grooves are opened on the opposite sides of the two side frames; a fixture spraying device is also installed on the two side frames. The fixture spraying device includes an orbital guiding vehicle, a robotic arm, and a clamping head. The orbital guiding vehicle is installed on the side frame, and the middle part of the orbital guiding vehicle is butt-jointed and installed in the sliding groove; One end of the robotic arm close to the conveyor belt is installed with a clamping head. A hydraulic fixture is installed at the lower part of the clamping head, and a nozzle is installed in the middle of the bottom of the clamping head.

[0007] Preferably, the support rod is arranged in an L shape and extends upward to directly above the conveyor belt; a first vision sensor and a second vision sensor are installed on the left support rod, and a third vision sensor is installed on the right support rod; The first vision sensor is used for part positioning, the second vision sensor detects surface defects, and the third vision sensor conducts secondary monitoring of the spraying integrity; at one end of the three groups of vision sensors close to the support rod, there are installed mounting sliders. Mounting grooves are opened on the support rod, and the mounting sliders are clamped in the mounting grooves and fixed by bolt screwing; the three groups of vision sensors are all oriented towards the surface of the conveyor belt.

[0008] Preferably, a rotating seat is installed at the bottom of the robotic arm, and the rotating seat is installed on the top of the orbital guiding vehicle; the robotic arm is provided with three arm segments, and a motor is installed between each two arm segments for driving. The motor is embedded at the joint of the robotic arm and is driven by a servo system; A swivel joint is installed at the top end of the robotic arm close to the conveyor belt. The swivel joint is internally connected to the conveying pipe, and a feeding pipe is installed at the outer end of the swivel joint. The other end of the feeding pipe is connected to a pressurized paint tank; A conveying pipe is installed between the clamping head and the robotic arm, and the conveying pipe is downwardly connected to the nozzle; the two fixture spraying devices are arranged oppositely, and the position is adjusted by the lateral movement of the orbital guiding vehicle. The two fixture spraying devices can cooperate with each other to complete the work of paint spraying and part flipping.

[0009] Preferably, a horizontal crossbar is installed at the bottom of the support frame, and a dust removal device is installed on the crossbar. The dust removal device includes a dust removal box, a guiding pipe, and a connecting pipe. The guiding pipe is installed outside the two dust suction air duct machines and is internally connected to the inner cavity of the dust suction air duct machines; An air inlet pump is installed at the top of the dust suction air duct machine, and a connecting pipe is installed on the air inlet pump. The connecting pipe is upwardly connected to the guiding pipe; the air inlet pump is responsible for sucking the gas dust above into the box body of the dust removal box.

[0010] Preferably, a dust removal air duct is provided inside the dust removal box, and a three-layer filtering structure is arranged in the dust removal air duct. Each layer of the filtering structure is provided with a filter plate. The filter plate includes a fixed panel and a buckling plate. An inwardly protruding mounting table is arranged in the inner cavity of the dust removal box, and the side of the fixed panel is arranged on the mounting table; The buckling plate is rotatably mounted on the fixed panel and fixed by bolts; a filter net is installed below the buckling plate. The filter net can be quickly replaced by flipping and lifting the buckling plate; the filter net is composed of two upper and lower plate bodies, and the opposite surfaces of the two plate bodies are provided with hollow teeth. The hollow teeth are serrated hollow structures. The hollow teeth are used to block a filling gap between the filter nets, and an adsorption material is filled in the filling gap; the hollow teeth can increase the frame strength of the filter net.

[0011] Preferably, an air suction fan is arranged at the lower part of the inner cavity of the dust removal box. The air suction fan is responsible for sucking the gas above downward. At the same time, an exhaust pump is installed at the bottom of the front side of the dust removal box. The exhaust pump communicates with the dust removal air duct inward and is responsible for discharging the filtered gas.

[0012] Preferably, a cavity is reserved between the air suction fan and the bottom of the dust removal air duct. The air suction fan sucks the dust-containing gas from top to bottom into the cavity and discharges the filtered air through the exhaust pump.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: Improve processing efficiency: The two groups of fixture spraying devices of the present device are arranged oppositely and cooperate with each other, and can quickly complete the coating spraying and part flipping work. Compared with the traditional manual operation method, the spraying repair efficiency is significantly improved, and the requirements of large-scale production can be met.

[0014] Save labor costs: The present device realizes the automatic operation from parts transportation, detection to spraying repair, and reduces the links of manual intervention. Especially the automatic operation of the fixture spraying device can automatically complete the clamping, spraying and flipping of parts, greatly saving labor costs and reducing the production costs of enterprises.

[0015] Good environmental protection performance: The dust suction air duct machine can timely suck away the waste gas generated during spraying, and introduce the waste gas into the dust removal device through the air inlet pump. A three-layer filtering structure is arranged in the dust removal device. The filter net of each layer of the filtering structure increases the frame strength through the hollow teeth and constructs more filling spaces. The filling of the adsorption material can effectively remove pollutants such as dust and powder in the waste gas. After three-layer filtration, the filtered air is discharged by the exhaust pump, reducing the harm to the working environment and the health of operators, and having good environmental protection performance.

[0016] Adaptation to Standardization and Automation: Each component of this device, such as the fixing device, detection device, fixture spraying device, and dust removal device, etc., is designed and manufactured according to standardization. Precise collaborative work can be achieved among these devices. Meanwhile, the device has a high degree of automation. Through the control system, each device can be precisely controlled to adapt to the modern production mode and meet the requirements of the engine remanufacturing industry for standardized and automated equipment.

[0017] Guarantee the Repair Quality: The three groups of vision sensors in the detection device have clear division of labor. The first vision sensor is used for part positioning to ensure that the parts are in the accurate position and posture during spraying; the second vision sensor can accurately detect surface defects and provide a basis for formulating a reasonable repair plan; the third vision sensor conducts secondary monitoring on the spraying integrity to ensure the uniformity and consistency of spraying. Through the collaborative work of these vision sensors, this device can precisely detect and repair engine parts, effectively improving the quality of the repaired parts and guaranteeing the performance and reliability of the engine. Description of the Drawings

[0018] Figure 1 is the front view of the present invention; Figure 2 is the side view of the present invention; Figure 3 is the schematic diagram of the conveyor belt of the present invention; Figure 4 is the top view of the partial - fixture spraying device of the conveyor belt of the present invention; Figure 5 is the schematic diagram of the fixture spraying device of the present invention; Figure 6 is the bottom view of the clamping head of the present invention; Figure 7 is the schematic diagram of the dust removal device of the present invention; Figure 8 is the cross - sectional view of the dust removal box of the present invention; Figure 9 is the schematic diagram of the filter plate of the present invention; Figure 10 is the schematic diagram of the filter net of the present invention.

[0019] In the figure: 10 Fixing device, 101 Conveyor belt, 102 Drive shaft, 103 Driving motor, 104 Support frame, 105 Frame, 106 Sliding groove, 107 Dust suction air duct machine, 108 Air intake grid; 20 Detection device, 201 Support rod, 202 Installation slider, 203 First vision sensor, 204 Second vision sensor, 205 Third vision sensor; 30 Fixture spraying device, 301 Rail-guided vehicle, 302 Robot arm, 303 Clamping head, 304 Adapter, 305 Delivery pipe, 306 Hydraulic fixture, 307 Sprayer head; 40 Dust removal device, 401 Dust removal box, 402 Guide pipe, 403 Connecting pipe, 404 Intake pump, 405 Dust removal air duct, 406 Filter plate, 407 Suction fan, 408 Exhaust pump, 409 Buckle plate, 410 Filter net, 411 Hollow teeth, 412 Filling gap. Detailed implementation

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work shall fall within the protection scope of the present invention.

[0021] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Embodiment

[0022] Please refer to Figures 1-10 , the present invention provides the following technical solutions: A surface spraying repair device for remanufactured engine parts, including a fixing device 10, a detection device 20, a fixture spraying device 30 and a dust removal device 40; The fixing device 10 includes a support frame 104, a conveyor belt 101 and a driving motor 103. The conveyor belt 101 is horizontally installed on the top of the support frame 104. Transmission shafts 102 are installed at both ends of the conveyor belt 101. Pulley wheels are installed at the front ends of the transmission shafts 102 and the driving motor 103, and a transmission belt is installed between the two pulley wheels; the driving motor 103 drives the transmission shaft 102 to drive the conveyor belt 101 to rotate; Frame edges 105 are symmetrically arranged on the front and rear sides of the top of the support frame 104, and sliding grooves 106 are opened on the opposite sides of the two frame edges 105; Dust suction duct machines 107 are symmetrically installed on the top of the two frame edges 105, and air intake grids 108 are opened on the opposite sides of the two dust suction duct machines 107; the dust suction duct machines 107 are located on both sides of the conveyor belt 101, and the waste gas generated during spraying can be sucked away by the dust suction duct machines 107 to achieve the purpose of timely dust removal; A detection device 20 is installed on the support frame 104. There are two sets of detection devices 20, which are installed on the frame 105 in a front-back staggered manner. The detection device 20 includes a support rod 201, a mounting slider 202, and three sets of vision sensors; The support rod 201 is arranged in an L shape and extends upward to directly above the conveyor belt 101. A first vision sensor 203 and a second vision sensor 204 are installed on the left support rod 201, and a third vision sensor 205 is installed on the right support rod 201. The first vision sensor 203 is used for part positioning, the second vision sensor 204 detects surface defects, and the third vision sensor 205 conducts secondary monitoring of the spraying integrity; At one end of the three sets of vision sensors close to the support rod 201, mounting sliders 202 are installed. Installation grooves are provided on the support rod 201. The mounting sliders 202 are clamped in the installation grooves and fixed by screwing with bolts. The three sets of vision sensors are all oriented towards the surface of the conveyor belt 101; Clamping and spraying devices 30 are also installed on the two frames 105. The clamping and spraying device 30 includes an orbital guided vehicle 301, a robotic arm 302, and a clamping head 303. The orbital guided vehicle 301 is installed on the frame 105, and the middle part of the orbital guided vehicle 301 is butt - installed in the sliding groove 106; A rotating seat is installed at the bottom of the robotic arm 302, and the rotating seat is installed on the top of the orbital guided vehicle 301. The robotic arm 302 has three arm segments, and motors are installed between each arm segment for driving. The motors are embedded at the robotic arm joints and are driven by a servo system. A clamping head 303 is installed at one end of the robotic arm 302 close to the conveyor belt 101. A hydraulic fixture 306 is installed at the lower part of the clamping head 303. A delivery pipe 305 is installed between the clamping head 303 and the robotic arm 302. A spray head 307 is installed in the middle of the bottom of the clamping head 303, and the delivery pipe 305 communicates downward with the spray head 307; A swivel joint 304 is installed at the top end of the robotic arm 302 close to the conveyor belt 101. The swivel joint 304 communicates inward with the delivery pipe 305, and a feed pipe is installed at the outer end of the swivel joint 304, and the other end of the feed pipe is connected to a pressurized paint tank; The two clamping and spraying devices 30 are arranged opposite to each other and adjust their positions by moving horizontally through the orbital guided vehicle 301. The two clamping and spraying devices 30 cooperate with each other to complete the work of paint spraying and part flipping, greatly saving labor costs; A horizontal crossbar is installed at the bottom of the support frame 104, and a dust removal device 40 is installed on the crossbar. The dust removal device 40 includes a dust removal box 401, a guiding pipe 402, and a connecting pipe 403. The guiding pipe 402 is installed outside the two dust suction duct machines 107 and communicates with the inner cavity of the dust suction duct machine 107; An intake pump 404 is installed at the top of the dust suction duct machine 107, and a connecting pipe 403 is installed on the intake pump 404. The connecting pipe 403 is connected upward to the guiding pipe 402. The intake pump 404 is responsible for sucking the gas and dust above into the box body of the dust removal box 401. A dust removal air duct 405 is provided inside the dust removal box 401, and a three-layer filtering structure is arranged in the dust removal air duct 405. Each layer of the filtering structure is provided with a filter plate 406. The filter plate 406 includes a fixed panel and a buckle plate 409, and an inwardly protruding mounting table is arranged in the inner cavity of the dust removal box 401. The side of the fixed panel is arranged on the mounting table. The buckle plate 409 is rotatably installed on the fixed panel and fixed by bolts. A filter net 410 is installed below the buckle plate 409. The filter net 410 can be quickly replaced by flipping and lifting the buckle plate 409. The filter net 410 is composed of two upper and lower plate bodies, and the opposite surfaces of the two plate bodies are provided with hollow teeth 411. The hollow teeth 411 are serrated hollow structures. The hollow teeth 411 are used to separate filling gaps 412 between the filter nets 410, and the filling gaps 412 are filled with adsorption materials. The hollow teeth 411 can increase the frame strength of the filter net 410 and can construct more filling spaces. An air suction fan 407 is arranged at the lower part of the inner cavity of the dust removal box 401. The air suction fan 407 is responsible for sucking the gas above downward. At the same time, an exhaust pump 408 is installed at the bottom of the front side of the dust removal box 401. The exhaust pump 408 is connected inward to the dust removal air duct 405 and is responsible for discharging the filtered gas. A cavity is reserved between the air suction fan 407 and the bottom of the dust removal air duct 405. The air suction fan 407 sucks the dust-containing gas from top to bottom into the cavity and discharges the filtered air through the exhaust pump 408.

[0023] Working principle: This solution provides a spraying device specifically for the re - repair of engine parts, aiming to improve processing efficiency, save labor costs, and be more suitable for standardized and automated equipment. Before spraying the parts, pre - treatment is carried out first. The steps include: Surface cleaning: During the use of engine parts, impurities such as oil stains, carbon deposits, and oxides will adhere to the surface. The existence of these impurities will seriously affect the bonding force between the coating and the substrate. Such as using chemical cleaning, ultrasonic cleaning, etc., to thoroughly remove the impurities on the surface of the parts.

[0024] Surface grinding: To further improve the adhesion of the coating, it is usually necessary to grind the surface of the parts. Common grinding methods include mechanical grinding, sandblasting, etc. Mechanical grinding can remove the oxide film on the surface of the parts, increase the surface roughness, and thus improve the mechanical bonding force between the coating and the substrate; sandblasting uses high-speed jet sand grains to impact the surface of the parts, forming a microscopic concave-convex structure on its surface, further enhancing the adhesion of the coating.

[0025] Then, the surface of the pre-treated parts is cleaned, and the parts are sequentially placed on the conveyor belt 101 and transported to the spraying position.

[0026] The drive motor 103 in the fixing device drives the transmission shaft 102 to rotate through the pulley and the transmission belt, and then drives the conveyor belt 101 to run. The engine parts are placed on the conveyor belt 101 and are transported to the working area to the right as the conveyor belt 101 rotates, realizing the automatic transmission of the parts and providing the basic transportation guarantee for subsequent operations such as inspection and spraying. In practical applications, the running speed of the conveyor belt can be adjusted according to the size and weight of the parts to ensure that the parts can be transported to the specified position smoothly and accurately; Two groups of vision sensors of the detection device 20 are installed on the frame 105 with a front-back offset. The first vision sensor 203 on the left support rod 201 is used to accurately position the transported engine parts, determine their accurate position and posture on the conveyor belt 101, and provide an accurate coordinate reference for subsequent spraying operations; The second vision sensor 204 can detect defects existing on the surface of the parts, such as scratches, wear, cracks, etc. Through image recognition and analysis technology, the detected defect information is fed back to the control system. The third vision sensor 205 on the right support rod 201 then monitors the integrity of the spraying a second time. By detecting and analyzing the coating on the surface of the parts, it ensures that the spraying integrity meets the predetermined process requirements. The installation slider 202 of the vision sensor can be adjusted in position in the installation groove of the support rod 201 and fixed by bolts to adapt to the detection needs of engine parts of different sizes and shapes. During the detection process, the control system can automatically adjust subsequent spraying parameters, such as spraying speed, spraying amount, etc., to achieve intelligent spraying repair and facilitate the specification of a standardized spraying operation process.

[0027] The rail-guided vehicle 301 of the fixture spraying device 30 is installed in the sliding groove 106 of the frame 105 and can be moved and adjusted in the horizontal direction. The rotating seat at the bottom of the robotic arm 302 is installed on the top of the rail-guided vehicle 301. The robotic arm consists of three arm segments. Each arm segment is driven by a motor embedded at the joint and is precisely controlled by a servo system, capable of achieving flexible movement and posture adjustment.

[0028] After the component is transported to the spraying position, the two relatively arranged jig spraying devices 30 cooperate with each other. The hydraulic jig 306 below the clamping head 303 of one jig spraying device clamps and fixes the component. The feed pipe connected to the adapter 304 transports the paint from the pressurized paint tank, reaches the spray head 307 through the delivery pipe 305, and the spray head 307 evenly sprays the paint on the surface of the component.

[0029] During the spraying process, according to the information fed back by the detection device, the robotic arm can adjust the position, angle and spraying direction of the spray head 307 to ensure that the paint can accurately cover the area to be repaired of the component, while ensuring the uniformity of spraying. When spraying the other side of the component is required, the two jig spraying devices cooperate with each other. Through the movement of the robotic arm and the operation of the hydraulic jig, the component is flipped, and then the spraying operation continues, so as to complete the all-round spraying repair of the component. And after the spraying and inspection work is completed, it enters the next curing process through the conveyor belt 101, and the repair work is completed after curing.

[0030] During the spraying process, exhaust gas containing dust and other impurities is generated. At this time, the dust suction duct machines 107 located at the top of the two side frames 105 of the conveyor belt 101 start to work. The intake grilles 108 on the opposite side thereof suck the exhaust gas generated in the spraying area into the dust suction duct machines. The intake pump 404 is installed on the top of the dust suction duct machine 107 and is connected to the guiding pipe 402 through the connecting pipe 403 to suck the exhaust gas in the dust suction duct machine into the dust removal box 401 of the dust removal device 40. In the dust removal box, the suction fan 407 sucks the dust-containing gas from top to bottom into the cavity, and the gas passes through a three-layer filtering structure in sequence. The filter plate 406 of each layer of the filtering structure consists of a fixed panel and a buckle plate 409. A filter net 410 composed of upper and lower two-layer plates is installed below the buckle plate 409. The hollow teeth 411 on the opposite surfaces of the two-layer plates are serrated hollow structures, separating a filling gap 412 between the filter nets and filling an adsorption material. Through this multi-layer filtering and adsorption method, the dust, dust and other harmful impurities in the exhaust gas are effectively removed. Finally, the filtered air is discharged by the exhaust pump 408 installed at the bottom of the front side of the dust removal box 401, realizing the purification treatment of the spraying exhaust gas and reducing the environmental pollution.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface spray repair device for remanufactured engine parts, comprising a fixing device (10), a detection device (20), a fixture spraying device (30) and a dust removal device (40), characterized in that: The fixing device (10) comprises a support frame (104), a conveyor belt (101) and a driving motor (103); the conveyor belt (101) is horizontally mounted on the top of the support frame (104); transmission shafts (102) are mounted at both ends of the conveyor belt (101); pulleys are mounted at the front ends of the transmission shaft (102) and the driving motor (103); and a transmission belt is mounted between the two pulleys; the transmission shaft (102) is driven by the driving motor (103) to drive the conveyor belt (101) to rotate; Dust-collecting duct machines (107) are symmetrically mounted on the tops of the two frames (105), and air intake grilles (108) are provided on opposite sides of the two dust-collecting duct machines (107). The dust-collecting duct machines (107) are located on both sides of the conveyor belt (101), and waste gas generated during spraying is sucked away by the dust-collecting duct machines (107). The support frame (104) is provided with a detection device (20), and two groups of the detection devices (20) are installed on the frame (105) in a front-to-back staggered manner. The detection device (20) includes a support rod (201), a mounting slider (202), and three groups of visual sensors; Frames (105) are symmetrically provided on the front and rear sides of the top of the support frame (104), and sliding grooves (106) are provided on the opposite sides of the two frames (105); a clamp spraying device (30) is also installed on the two frames (105), and the clamp spraying device (30) includes a track-type guide vehicle (301), a mechanical arm (302) and a clamping head (303), the track-type guide vehicle (301) is installed on the frame (105), and the middle part of the track-type guide vehicle (301) is docked and installed in the sliding groove (106); A clamping head (303) is installed at one end of the mechanical arm (302) close to the conveyor belt (101), a hydraulic clamp (306) is installed at the bottom of the clamping head (303), and a nozzle (307) is installed in the middle of the bottom of the clamping head (303).

2. The surface spraying repair device for remanufactured engine parts according to claim 1, characterized in that: The support rod (201) is arranged in an L-shape and extends upward to directly above the conveyor belt (101); a first visual sensor (203) and a second visual sensor (204) are installed on the left support rod (201), and a third visual sensor (205) is installed on the right support rod (201); The first visual sensor (203) is used for part positioning, the second visual sensor (204) detects surface defects, and the third visual sensor (205) monitors surface integrity; the three sets of visual sensors are each installed with a mounting slider (202) at one end close to the support rod (201), the support rod (201) is provided with a mounting groove, the mounting slider (202) is clamped in the mounting groove, and is screwed and fixed by bolts; the three sets of visual sensors are all facing the surface of the conveyor belt (101).

3. A surface spraying repair device for remanufactured engine parts according to claim 1, characterized in that: A rotating base is installed at the bottom of the robotic arm (302), and the rotating base is installed on the top of the rail-guided vehicle (301); the robotic arm (302) is provided with three arm segments, and a motor is installed between each robotic arm (302) for driving. The motor is embedded at the robotic arm joint and is driven by a servo system; A swivel joint (304) is installed at the top of the robotic arm (302) close to the conveyor belt (101). The swivel joint (304) communicates with the delivery pipe (305) inwardly, and a material delivery pipe is installed at the outer end of the swivel joint (304), and the other end of the material delivery pipe is connected to a pressurized paint tank; A delivery pipe (305) is installed between the clamping head (303) and the robotic arm (302), and the delivery pipe (305) communicates with the nozzle (307) downwardly; two fixture spraying devices (30) are arranged opposite to each other, and the position is adjusted by the rail-guided vehicle (301) moving laterally. The two fixture spraying devices (30) cooperate with each other to complete the work of paint spraying and part turning.

4. A surface spraying repair device for remanufactured engine parts according to claim 1, characterized in that: A horizontal crossbar is installed at the bottom of the support frame (104), and a dust removal device (40) is installed on the crossbar. The dust removal device (40) includes a dust removal box (401), a guiding pipe (402) and a connecting pipe (403). The guiding pipe (402) is installed outside the two dust suction duct machines (107) and communicates with the inner cavity of the dust suction duct machine (107); An air inlet pump (404) is installed on the top of the dust suction duct machine (107), and a connecting pipe (403) is installed on the air inlet pump (404). The connecting pipe (403) is connected to the guiding pipe (402) upwardly; the air inlet pump (404) is responsible for sucking the gas dust above into the box body of the dust removal box (401).

5. The surface spraying repair device for remanufactured engine parts according to claim 4, wherein: A dust removal air duct (405) is opened in the dust removal box (401), and a three-layer filtering structure is arranged in the dust removal air duct (405). Each layer of the filtering structure is provided with a filter plate (406). The filter plate (406) includes a fixed panel and a buckle plate (409). An installation platform protruding inwardly is arranged in the inner cavity of the dust removal box (401), and the side of the fixed panel is arranged on the installation platform; The buckle plate (409) is rotatably installed on the fixed panel and is fixed by bolts; a filter net (410) is installed below the buckle plate (409). The buckle plate (409) is flipped and lifted to quickly replace the filter net (410); the filter net (410) is composed of two upper and lower plate bodies, and the opposite surfaces of the two plate bodies are provided with hollow teeth (411). The hollow teeth (411) are serrated hollow structures, and a filling gap (412) is separated between the filter nets (410) by the hollow teeth (411), and an adsorption material is filled in the filling gap (412); the hollow teeth (411) increase the frame strength of the filter net (410).

6. The surface spraying repair device for remanufactured engine parts according to claim 5, characterized in that: An air suction fan (407) is provided at the lower part of the inner cavity of the dust removal box (401). The air suction fan (407) is responsible for sucking the gas above downward. At the same time, an exhaust pump (408) is installed at the bottom of the front side of the dust removal box (401). The exhaust pump (408) is internally communicated with the dust removal air duct (405) and is responsible for discharging the filtered gas.

7. A surface spraying repair device for remanufactured engine parts according to claim 6, characterized in that: A cavity is reserved between the air suction fan (407) and the bottom of the dust removal air duct (405). The air suction fan (407) sucks the dust-containing gas from top to bottom into the cavity, and the filtered air is discharged by the exhaust pump (408).

Images