Six-station cast-aluminum rotor pickling equipment

By designing a six-station aluminum rotor pickling equipment, and adopting temperature-controlled heating and waste gas treatment, the problem of unstable pickling quality of aluminum rotors was solved, and efficient, automated and environmentally friendly production was achieved.

CN223906954UActive Publication Date: 2026-02-13SHANGHAI MOTOR SYST ENERGY SAVING ENG TECH RES CENT +2
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Patent Information

Application Number
CN202520249449.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-02-13
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing pickling equipment for cast aluminum rotors suffers from unstable pickling quality, low processing precision, and environmental pollution problems.

Method used

A six-station cast aluminum rotor pickling equipment was designed, including a frame, a circular conveyor mechanism, a rotor tray, an acid and alkali washing mechanism, a preheating mechanism, a cleaning mechanism, and a drying mechanism. The acid temperature is controlled at 60-70℃ by a temperature control heating mechanism to achieve automatic acid and alkali washing, and an exhaust gas treatment device is equipped to treat acid mist and oil vapor.

Benefits of technology

This technology enables high-precision automatic acid and alkali cleaning of cast aluminum rotors, ensuring the stability and consistency of acid cleaning quality, reducing environmental pollution, and improving production efficiency and equipment automation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides six-station cast-aluminum rotor pickling equipment which comprises a rack, a control cabinet, a concentric-square-shaped conveying mechanism, an acid liquid tank, an alkaline liquid tank, a plurality of rotor trays, an acid-alkali washing mechanism arranged on the upper side of the concentric-square-shaped conveying mechanism, a preheating mechanism arranged on one side of the acid-alkali washing mechanism and a cleaning mechanism arranged on one side of the acid-alkali washing mechanism. The drying mechanism is arranged on one side of the cleaning mechanism, and a temperature control heating mechanism is arranged in the acid liquid tank. According to the six-station cast-aluminum rotor pickling equipment, the multiple rotor trays are arranged on the two sides of the concentric-square-shaped conveying mechanism, the cast-aluminum rotors on the multiple rotor trays are subjected to acid and alkali washing through the acid and alkali washing mechanism, the temperature control heating mechanism controls the temperature of acid liquor to range from 60 DEG C to 70 DEG C, and the rotor pickling quality is ensured; the preheating mechanism is used for preheating the cast-aluminum rotor passing through the lower portion of the preheating mechanism, the drying mechanism is used for drying the cast-aluminum rotor subjected to acid and alkali washing, and automatic acid and alkali washing is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cast aluminum rotor processing technical field especially relates to a six station cast aluminum rotor pickling equipment. BACKGROUND

[0002] The cast aluminum rotor surface produces aluminum whisker burrs at the place where the silicon steel sheet and cast aluminum contact after machining, and the rotor also produces machining burrs on the surface during the machining process, which causes adverse effects on the performance of the motor such as loss, efficiency and temperature rise. The rotor surface pickling can effectively eliminate the burrs on the rotor surface and improve the performance of the motor.

[0003] A rotor surface pickling device is disclosed in Chinese patent CN218539836U, which includes infrared heating, pickling, alkaline washing and other stations, and adopts a turntable driving device. This processing method can only realize automatic pickling and alkaline washing, and the processing precision is low. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a six station cast aluminum rotor pickling equipment to solve the problem of unstable pickling quality of the existing cast aluminum rotor surface pickling device.

[0005] The utility model provides a six station cast aluminum rotor pickling equipment, which comprises a rack, a control cabinet arranged on one side of the rack, a meandering conveying mechanism arranged in the middle of the rack, an acid liquid tank arranged on one side of the meandering conveying mechanism, an alkaline liquid tank arranged on the upper side of the acid liquid tank, a plurality of rotor trays arranged on both sides of the meandering conveying mechanism, an acid-alkali washing mechanism arranged on the upper side of the meandering conveying mechanism, a preheating mechanism arranged on one side of the acid-alkali washing mechanism, a cleaning mechanism arranged on one side of the acid-alkali washing mechanism, and a drying mechanism arranged on one side of the cleaning mechanism, wherein a temperature control heating mechanism is arranged in the acid liquid tank.

[0006] The six station cast aluminum rotor pickling equipment described above is provided with a plurality of rotor trays on both sides of the meandering conveying mechanism, the cast aluminum rotors on the plurality of rotor trays are subjected to acid-alkali washing by the acid-alkali washing mechanism, the temperature control heating mechanism controls the temperature of the acid liquid to be between 60-70 DEG C, and the quality of the rotor pickling is ensured; the cast aluminum rotors passing below the preheating mechanism are preheated by the preheating mechanism, the cast aluminum rotors after acid-alkali washing are dried by the drying mechanism, and automatic acid-alkali washing is realized.

[0007] Further, the utility model further comprises a waste gas treatment device arranged on the upper end of the rack, wherein the waste gas treatment device comprises an acid mist collecting device and an oil-water separation device, the acid mist collecting device is used for collecting acid mist and part of oil vapor generated during the rotor pickling process, and the collected acid mist is subjected to oil-water separation by the oil-water separation device.

[0008] Further, the lower side of the rack is provided with a circulating water tank.

[0009] Further, the temperature control heating mechanism comprises a heating device and a temperature sensor connected with the heating device, and the heating device and the temperature sensor are connected with the control cabinet.

[0010] Further, the rotor tray comprises a mounting plate, two rotor tooling devices arranged on both sides of the mounting plate, a water collecting funnel arranged at the lower end of the rotor tooling device, and a plurality of walking rollers arranged at the lower end of the mounting plate.

[0011] Further, the rotor tooling device comprises two support seats, a lead screw connecting the two support seats, a driving sprocket connected with one end of the lead screw and fixed on one of the support seats, a servo motor connected with the driving sprocket, a driven sprocket matched with the driving sprocket, and two driving wheels connected with the driven sprocket, and the other support seat is provided with two driven wheels at positions corresponding to the driving wheels, and the upper sides of the driving wheels and the driven wheels are provided with two pressing wheels.

[0012] Further, the pressing wheel is connected with the corresponding support seat through a first tension spring.

[0013] Further, the two sides of the two support seats are connected through a transverse adjusting device respectively.

[0014] Further, the preheating mechanism comprises a first lifting motor connected with the rack, a first support frame connected with the lifting end of the first lifting motor, a heating plate arranged at the lower end of the first support frame, and a plurality of heating pipes arranged in the heating plate.

[0015] Further, the acid-base washing mechanism comprises a second lifting motor connected with the rack, a second support frame connected with the lifting end of the second lifting motor, and two rollers arranged at the lower end of the second support frame, the lower end of the second support frame is provided with two twisted boards connected in a twisted manner, and the two rollers are arranged at the lower end of the two plywood respectively, and the upper ends of the two plywood are connected through a second tension spring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the six-station aluminum rotor pickling equipment in the first embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the six-station aluminum rotor pickling equipment in the first embodiment of the utility model; Figure 1 It is an enlarged structural schematic diagram of the rotor tray in the six-station aluminum rotor pickling equipment in the first embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the rotor tray in the first embodiment of the utility model; Figure 2 ​

[0019] Figure 4 Fig. 2 is a schematic view of the preheating mechanism of the six-station cast aluminum rotor pickling equipment in Fig. 1; Figure 1

[0020] Figure 5 Fig. 3 is a schematic view of the return conveying mechanism of the six-station cast aluminum rotor pickling equipment in Fig. 1; Figure 1

[0021] Figure 6 Fig. 4 is a schematic view of the cleaning mechanism of the six-station cast aluminum rotor pickling equipment in Fig. 1; Figure 1

[0022] Figure 7 Fig. 5 is a schematic view of the acid-base washing mechanism of the six-station cast aluminum rotor pickling equipment in Fig. 1. Figure 1

[0023]

[0024] Rack 10 Rotor tooling 62 74 Control cabinet 20 Support seat 621 Preheating mechanism 80 Meandering conveying mechanism 30 Lead screw 622 First lifting motor 81 Base 31 Driving sprocket 623 First support frame 82 Sprocket 32 Driven sprocket 624 Heating plate 83 Motor 33 Driving wheel 625 Heating pipe 84 Conveying driving wheel 34 Driven wheel 626 Cleaning mechanism 90 Conveying driven wheel 35 Transverse adjusting device 627 Water knife 91 Sewage tank 36 Water receiving funnel 63 Drying mechanism 100 Connecting plate 37 Walking roller 64 Waste gas treatment device 110 Acid liquid tank 40 Acid and alkali washing mechanism 70 Acid mist collecting device 111 Alkaline liquid tank 50 Second lifting motor 71 Oil-water separation device 112 Rotor tray 60 Second support frame 72 Circulating water tank 120 Mounting plate 61 Drum 73

[0025] The following detailed description will further describe the present application with reference to the above-mentioned drawings. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The drawings show several embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] Please refer to Figures 1 to 7 ​​​​​The utility model discloses a six station cast aluminium rotor pickling equipment, including frame 10, be located the control cabinet 20 of frame 10 one side, be located the meandering conveying mechanism 30 of frame 10 middle part, be located the acid liquid groove 40 of meandering conveying mechanism 30 one side, be located the alkaline liquid groove 50 of acid liquid groove 40 upper side, be located six rotor trays 60 of meandering conveying mechanism 30 both sides, be located the acid -base washing mechanism 70 of meandering conveying mechanism 30 upper side, be located the preheating mechanism 80 of acid -base washing mechanism 70 one side, interval be located two cleaning mechanisms 90 of acid -base washing mechanism 70 discharge side and be located the drying mechanism 100 of cleaning mechanism one side, be equipped with temperature control heating mechanism in acid liquid groove 40.

[0030] The six station cast aluminium rotor pickling equipment, through setting up multiple rotor trays on the both sides of the meandering conveying mechanism, carries out acid -base washing to the cast aluminium rotor on six rotor trays 60 through acid -base washing mechanism 70, wherein temperature control heating mechanism controls the temperature of acid liquid between 60-70 DEG C, ensures the rotor pickling quality, when processing, through preheating mechanism 80, preheats the cast aluminium rotor passing below, then through acid -base washing mechanism 70, extracts the liquid in acid liquid groove 40 and alkaline liquid groove 50 in turn and carries out pickling and alkali washing to the cast aluminium rotor, then through cleaning mechanism 90, cleans the cast aluminium rotor after acid -base washing, then through drying mechanism 100, dries the cast aluminium rotor after acid -base washing, realizes quick automatic acid -base washing.

[0031] Need to explain, the control cabinet 20 is integrated with various electrical control elements, such as controller, relay, contactor etc., is used for controlling the action and parameter of equipment. Control cabinet 20 and various motors, sensor etc. electrical equipment are connected through cable, ensure the stability and accuracy of signal transmission.

[0032] It also needs to be explained that, in the present application, rotor tray 60 is provided with 6, in other embodiments of the utility model, can increase or reduce the size of equipment according to processing demand, and correspondingly increase or reduce the number of rotor tray 60.

[0033] In an embodiment of the utility model, still include the waste gas treatment device 110 of being located the rack upper end, the waste gas treatment device 110 includes acid mist collection device 111 and oil -water separation device 112, acid mist collection device 111 is used to collect the acid mist and part of oil vapor generated in the process of rotor pickling, and the collected acid mist is subjected to oil -water separation through oil -water separation device 112.

[0034] In one embodiment of the utility model, the temperature control heating mechanism includes heating device and temperature sensor connected with the heating device, the heating device and the temperature sensor are connected with the control cabinet 20.

[0035] In one embodiment of the utility model, the rotor tray 60 includes mounting plate 61, two rotor tooling 62 arranged on both sides of the mounting plate 61, water collecting funnel 63 arranged at the lower end of rotor tooling 62 and multiple walking rollers 64 arranged at the lower end of the mounting plate 61.

[0036] In the specific implementation process, please refer to Figure 5 , the back-shaped conveying mechanism 30 is composed of base 31, chain wheel 32, motor 33, conveying driving wheel 34, conveying driven wheel 35 and sewage tank 36, under the driving of motor 33, conveying driving wheel 34 drives the rotation of chain wheel 32 on conveying driven wheel 35, chain wheel 32 is distributed with connecting plate 37, and is connected with rotor tray 60 through bolt, and there is annular sewage tank 36 below chain wheel 32, the sewage in water collecting funnel 63 is directly discharged into sewage tank 36, and then is discharged into circulating water tank 120 through water pipe, and the water in circulating water tank 120 is recycled after treatment.

[0037] In one embodiment of the utility model, please refer to Figure 2 And Figure 3 , the rotor tooling 62 includes two support seats 621, screw rod 622 connecting two support seats 621, driving chain wheel 623 connected with one end of screw rod 622 and fixed on one support seat 621, servo motor (not shown in the figure) connected with driving chain wheel 623, driven chain wheel 624 matched with driving chain wheel 623 and two driving wheels 625 connected with driven chain wheel 624, and the other support seat 621 is provided with two driven wheels 626 at the position corresponding to driving wheel 625, and the upper side of driving wheel 625 and driven wheel 626 is provided with two pressing wheels (not shown in the figure).

[0038] When processing, the cast aluminum rotor is placed on the driving wheel 625 and the driven wheel 626, the driving wheel 625 is provided with a driven sprocket 624 at one end, the driven sprocket 624 is connected with the driving sprocket 623 through the sprocket, and is driven by the servo motor; the above-mentioned devices are all installed on the support seat 621, and there is a transverse adjusting device 627 below the support seat 621, which is connected and fixed through a forward and reverse screw link, the silk rod 622 is artificially adjusted, and the two side support seats 621 move in the same direction or in the opposite direction, so as to adapt to cast aluminum rotors of different specifications; when the servo motor drives the driving sprocket 623 and the driven sprocket 624 to drive the cast aluminum rotor to rotate, in order to avoid the cast aluminum rotor from jumping and affecting the pickling quality, a pair of pressure wheels is installed above the support seat, when the cast aluminum rotor is in place, the first tension spring releases the pressure of the pressure wheel on the surface of the cast aluminum rotor shaft. The water collecting funnel 63 is installed on the rotor tool 62, and there is a sewage outlet at the bottom of the water collecting funnel 63 for sewage discharge after cleaning; a plurality of walking rollers 64 are distributed around the water collecting funnel 63, and the walking rollers 64 are driven by the sprocket 32 to walk on the platform of the rack 10.

[0039] In an embodiment of the utility model, please refer to Figure 4 The preheating mechanism 80 includes a first lifting motor 81 connected with the rack 10, a first support frame 82 connected with the lifting end of the first lifting motor 81, a heating plate 83 arranged at the lower end of the first support frame 82, and a plurality of heating pipes 84 arranged in the heating plate 83. When the cast aluminum rotor is conveyed to the lower side of the preheating mechanism 80 along with the rotor tray 62, the control cabinet 20 controls the first lifting motor 81 to work, so that the first support frame 82 descends, and the heating plate 83 approaches the cast aluminum rotor. The plurality of heating pipes 84 in the heating plate 83 are electrified and heated, and the cast aluminum rotor is preheated. The purpose of preheating is to improve the temperature of the cast aluminum rotor, so that it can better react with acid and alkali when entering the acid and alkali washing mechanism, and the pickling effect is improved. When the preheating time reaches the set value, the first lifting motor 81 works, the first support frame 82 rises, the heating plate 83 moves away from the cast aluminum rotor, and the rotor tray 82 continues to convey to the next process.

[0040] In an embodiment of the utility model, please refer to Figure 7 The acid and alkali washing mechanism 70 includes a second lifting motor 71 connected with the rack 10, a second support frame 72 connected with the lifting end of the second lifting motor 71, and two rollers 73 arranged at the lower end of the second support frame 72. The lower end of the second support frame 72 is provided with two twisted connection twisted plates 74, the two rollers 73 are arranged at the lower end of one of the plywood 74 respectively, and the upper ends of the two plywood 74 are connected through the second tension spring 75.

[0041] When the cast aluminum rotor is transported below the acid-base washing mechanism 70, the control cabinet 20 controls the second lifting motor 71 to work, so that the second support frame 72 descends, and the roller 73 approaches the cast aluminum rotor. The two rollers 73 are respectively located on both sides of the cast aluminum rotor, and the cast aluminum rotor is brushed by rotating, and the acid or alkali liquid is sprayed from the spray head on the roller 73 to perform acid-base washing treatment on the cast aluminum rotor. The two twisted plates 74 connected by twisting can be adjusted according to the size of the cast aluminum rotor to ensure that the roller 73 can fully contact the cast aluminum rotor. The second tension spring 75 is used to maintain the tension of the twisted plate 74, so that the brushing effect of the roller 73 is better. After the acid-base washing is completed, the second lifting motor 71 works, so that the second support frame 72 rises, and the roller moves away from the cast aluminum rotor. The rotor tray 62 continues to be transported to the cleaning mechanism 90.

[0042] In the specific implementation process, the roller 73 is a brush roller and a sponge roller respectively, so as to clean the surface of the cast aluminum rotor.

[0043] Specifically, the sponge roller 73 is composed of a hollow stainless steel roller and a sponge. The stainless steel roller has a threaded interface on one side, which is connected with an acid-base liquid pipeline. The stainless steel roller is uniformly distributed with small holes. After the acid-base liquid enters the inside of the stainless steel roller, it is sprayed on the sponge through the holes, and then uniformly coated on the surface of the rotor. There are sealing devices on both sides of the roller to prevent acid-base liquid leakage. At the same time, there are metering sensors on the sealing devices to control the supply of acid-base liquid, so as to ensure that the acid liquid is uniformly printed on the surface of the rotor. In order to ensure that the burrs are cleaned, the burrs on the surface of the cast aluminum rotor are completely removed by the brush roller 73 during the rotation of the cast aluminum rotor.

[0044] In the specific implementation process, please refer to Figure 6 The cleaning mechanism is similar to the acid-base washing mechanism. A water knife 91 is uniformly distributed above the roller. The water knife 91 cleans the surface of the rotor. The sponge roller ensures that the surface of the rotor is uniformly cleaned, and the brush roller brushes off the surface impurities.

[0045] In the specific implementation process, the drying mechanism 100 has the same structure and working mode as the preheating mechanism 80.

[0046] The above-mentioned six-station cast aluminum rotor pickling equipment has the following beneficial effects:

[0047] High degree of automation: through the coordinated work of the meandering conveying mechanism 30, the rotor tray 62 and each processing mechanism, the automation operation of the cast aluminum rotor from feeding to pickling, neutralization, cleaning, drying and a series of processes is realized, which greatly reduces the labor intensity and labor cost.

[0048] Stable pickling quality: the temperature control heating mechanism can accurately control the acid liquid temperature between 60-70℃, which ensures the stability and consistency of the pickling process, thereby ensuring the pickling quality of the cast aluminum rotor.

[0049] Acid mist treatment is effective: the acid mist collecting device and the oil-water separating device in the waste gas treatment device 110 can effectively collect and treat the acid mist and oil vapor generated in the pickling process, reducing environmental pollution and protecting the health of workers.

[0050] High production efficiency: multiple rotor trays 60 simultaneously perform pickling treatment, and the processes are closely linked, greatly improving production efficiency and meeting the needs of large-scale production.

[0051] Reasonable equipment structure: the rotor tray 60 is designed to facilitate the placement and transportation of cast aluminum rotors, and the rotor tooling 62 can adapt to cast aluminum rotors of different sizes; the preheating mechanism 80, the acid and alkali washing mechanism 70, the cleaning mechanism 90, and the drying mechanism 100 are reasonably designed and can efficiently complete their respective tasks.

[0052] The above-described embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the scope of protection of the present application should be subject to the appended claims.

Claims

1. A six-station pickling apparatus for aluminum-alloy rotor castings, characterized by, The machine frame, the control cabinet arranged on one side of the machine frame, the meandering conveying mechanism arranged in the middle of the machine frame, the acid liquid tank arranged on one side of the meandering conveying mechanism, the alkaline liquid tank arranged on the upper side of the acid liquid tank, the multiple rotor trays arranged on both sides of the meandering conveying mechanism, the acid-alkali washing mechanism arranged on the upper side of the meandering conveying mechanism, the preheating mechanism arranged on one side of the acid-alkali washing mechanism, the cleaning mechanism arranged on one side of the acid-alkali washing mechanism, and the drying mechanism arranged on one side of the cleaning mechanism are arranged, and the temperature control heating mechanism is arranged in the acid liquid tank.

2. The six station aluminum rotor pickling apparatus of claim 1 wherein, The waste gas treatment device arranged on the upper end of the machine frame is further arranged, and the waste gas treatment device comprises an acid mist collecting device and an oil-water separation device.

3. The six station aluminum rotor pickling apparatus of claim 2 wherein, The lower side of the machine frame is provided with a circulating water tank.

4. The six station aluminum rotor pickling apparatus of claim 1 wherein, The temperature control heating mechanism comprises a heating device and a temperature sensor connected with the heating device, and the heating device and the temperature sensor are connected with the control cabinet.

5. The six station aluminum rotor pickling apparatus of claim 1 wherein, The rotor tray comprises a mounting plate, two rotor toolings arranged on both sides of the mounting plate, a water collecting funnel arranged at the lower end of the rotor tooling, and multiple walking rollers arranged at the lower end of the mounting plate.

6. The six station aluminum rotor pickling apparatus of claim 5 wherein, The rotor tooling comprises two support seats, a lead screw connecting the two support seats, a driving sprocket connected with one end of the lead screw and fixed on one of the support seats, a servo motor connected with the driving sprocket, a driven sprocket matched with the driving sprocket, and two driving wheels connected with the driven sprocket, and the other support seat is provided with two driven wheels at positions corresponding to the driving wheels, and the upper sides of the driving wheels and the driven wheels are provided with two pressing wheels.

7. The six station aluminum rotor pickling apparatus of claim 6 wherein, The pressing wheel is connected with the corresponding support seat through a first tension spring.

8. The six station aluminum rotor pickling apparatus of claim 6 wherein, The two sides of the two support seats are connected through a transverse adjusting device respectively.

9. The six station aluminum rotor pickling apparatus of claim 1 wherein, The preheating mechanism comprises a first lifting motor connected with the machine frame, a first support frame connected with the lifting end of the first lifting motor, a heating plate arranged at the lower end of the first support frame, and multiple heating pipes arranged in the heating plate.

10. The six station aluminum rotor pickling apparatus of claim 1 wherein, The acid-alkali washing mechanism comprises a second lifting motor connected with the machine frame, a second support frame connected with the lifting end of the second lifting motor, and two rollers arranged at the lower end of the second support frame, the lower end of the second support frame is provided with two twisted boards connected in a twisted manner, and the two rollers are arranged at the lower end of one of the boards respectively, and the upper ends of the two boards are connected through a second tension spring.

Citation Information

Patent Citations

  • Rotor surface pickling device

    CN218539836U