Automatic machining equipment for deburring engine piston

Abstract

The invention relates to the technical field of engine piston machining, in particular to automatic machining equipment for deburring of an engine piston. According to the technical scheme, the automatic machining equipment for deburring of the engine piston comprises a box body, a nanometer polishing groove, a rust removal groove, a cleaning groove, an anti-rust groove, a feeding and discharging frame, a top frame, a moving frame, a lifting frame and a backup plate; the lifting frame is located in the box body, located above the nanometer polishing groove and connected with the backup plate, the lifting frame can slide up and down to drive the engine piston, especially deburring is conducted on half-cavity workpieces such as the engine piston which is complex in shape, and waste liquid difficult to treat cannot be generated; and traditional deburring methods such as mechanical deburring and manual polishing deburring can be replaced, and the problems that workpieces with complex shapes are difficult to process through mechanical polishing and dust pollution is caused by manual polishing are solved.

Description

Technical Field

[0001] The invention relates to the technical field of engine piston processing, and in particular to an automatic processing device for deburring an engine piston. Background Art

[0002] The engine piston is a reciprocating component in the cylinder block of a car engine. Its main function is to withstand the combustion pressure in the cylinder and transmit this force to the crankshaft through the piston pin and connecting rod. The processing of the engine piston requires high-precision equipment and professional technology to ensure the performance of the piston and the stable operation of the engine.

[0003] Deburring has always been an important part of the manufacturing process of metal products. Currently, the commonly used deburring methods are mainly mechanical or manual polishing. Although mechanical polishing can obtain a relatively smooth surface, it is not competent for the polishing of workpieces with complex shapes. Metal dust will be generated during the processing, which is harmful to human health. Manual polishing is very slow, and the labor cost is relatively high, and consistency is difficult to ensure. After polishing, rust removal, cleaning and rust prevention processes must be completed, which seriously consumes time and labor.

[0004] Therefore, in view of the above-mentioned currently commonly used deburring methods, which are mainly mechanical or manual polishing, although mechanical polishing can obtain a relatively smooth surface, it is not competent for the polishing of workpieces with complex shapes, which seriously consumes time and labor. An engine piston deburring automated processing equipment can be designed to perform automated processing operations, which greatly reduces time and labor costs and simplifies the operation process and processing procedures. Summary of the invention

[0005] In order to overcome the problem that the commonly used deburring methods are mainly mechanical or manual grinding, metal dust will be generated during the processing, which is harmful to human health; manual grinding is very slow and seriously consumes time and labor.

[0006] The technical solution of the present invention is: an automated processing equipment for deburring engine pistons, comprising a box body, a nano-polishing groove, a rust removal groove, a cleaning groove, an anti-rust groove, a loading and unloading rack, a top rack, a mobile rack, a lifting rack and a backing plate; the box body is sequentially provided with nano-polishing grooves, rust removal grooves, cleaning grooves and anti-rust grooves for automated processing of engine pistons, a mobile rack for linear displacement operation of the engine piston is provided above the box body, a top rack for supporting the sliding of the mobile rack is provided on the top of the box body, multiple groups of backing plates extending to the box body are linearly provided on both sides below the top rack, a lifting rack that can slide up and down to drive the engine piston is provided in the box body above the nano-polishing groove and connected to the backing plate, and an loading and unloading rack for placing loading and unloading materials is provided at one end of the box body away from the nano-polishing groove.

[0007] Preferably, it can remove burrs especially for semi-cavity workpieces with complex shapes such as engine pistons, without generating waste liquid that is difficult to handle. It can replace traditional deburring methods such as mechanical deburring and manual grinding deburring, solve the problem that mechanical grinding is difficult to handle workpieces with complex shapes and the problem of dust pollution caused by manual grinding. At the same time, there is no macroscopic force in the processing process, and no microcracks and residual stress will be left on the surface of the workpiece to affect the life of the workpiece, ensuring the consistency of the processed product. While solving the problem of efficient deburring on the surface of metal workpieces, it also effectively reduces the adverse effects on the environment and human health. It also realizes a series of processes including automated processing, rust removal, cleaning, and rust prevention, greatly reducing time and labor costs, and simplifying the operation process and processing procedures.

[0008] Preferably, a plurality of bottom frames are sequentially laid on the bottom of the box, vertical frames connected to the top frames are arranged around the bottom frames, a plurality of supporting frames are distributed at the bottom of the bottom frames, the supporting frames are crisscrossed, and a plurality of universal wheel modules are arranged at the bottom of the supporting frames.

[0009] Preferably, the nano-polishing tank, the rust removal tank and the cleaning tank are respectively provided with a first drainage hole, a second drainage hole and a third drainage hole, the anti-rust tank is provided with a heating rod, the inner bottom of the anti-rust tank is provided with a water flow hole, and the outer end of the heating rod is electrically provided with an electric control box.

[0010] Preferably, connecting frames are vertically provided at both ends of the upper and lower material racks, a plurality of sets of horizontal frames are linearly provided in the center of the upper and lower material racks, and clamps are provided on the tops of the upper and lower material racks.

[0011] Preferably, a plurality of groups of lifting rings are distributed around the top frame, two groups of racks for sliding the mobile frame are symmetrically arranged inside the top frame, a protective box is arranged on the outer periphery of the rack, and a positioning plate is arranged at the bottom of the protective box.

[0012] Preferably, the movable frames are arranged in two groups opposite to each other, and the two groups of movable frames are each provided with a mounting frame at one end away from each other, a card slot is opened on the mounting frame, a mounting seat corresponding to the card slot is provided between the movable frame and the mounting frame, a plurality of mounting bolts are distributed on the mounting seat, a connecting seat is provided on the top of the mounting frame, a carrier is provided on the periphery of the connecting seat, a rotating rod is provided in the center of the connecting seat, a driving motor is provided on the top of the rotating rod, a gear is provided at the bottom of the rotating rod, and the driving motor drives the rotating rod to drive the gear to rotate.

[0013] Preferably, a balance plate is provided at the bottom of the mounting frame, air ports are formed at both ends of the balance plate, and an air pipe is provided at the lower end of the air port.

[0014] Preferably, the lifting frames are arranged in two groups facing each other, and both groups of lifting frames are provided with extension rods at one end away from each other. A slide is fixedly provided along the direction of the extension rod, and a transmission screw module is vertically passed through the end of the slide away from the lifting frame. A sleeve is provided on the outer periphery of the transmission screw module, and a servo motor is provided at the bottom of the transmission screw module. The servo motor drives the transmission screw module to drive the lifting frame to rise and fall. The outer wall of the lifting frame is coated with an anti-slip coating, and reinforcing ribs are symmetrically provided between the lifting frame and the extension rod. A limiting groove is provided in the center of the lifting frame.

[0015] Preferably, positioning bolts are provided between multiple groups of support plates, one group of support plates is provided with a slide groove for sliding of the lifting frame, and the multiple groups of support plates are sequentially penetrated with the first connecting tube, the second connecting tube, the third connecting tube, the fourth connecting tube, the fifth connecting tube and the sixth connecting tube corresponding to the nano-polishing groove, the rust removal groove, the cleaning groove and the rust prevention groove, a first water pump is provided at the end of the third connecting tube and the fourth connecting tube, a second water pump is provided on one side of the fifth connecting tube, and the sixth connecting tube is arranged in two groups relatively parallel, and the tops of the two groups of sixth connecting tubes are provided with cleaning nozzles corresponding to the nano-polishing groove, and an injector is provided inside the cleaning nozzle, a first heating module is provided on one side of the first connecting tube, a second heating module is provided on one side of the fifth connecting tube, and stirring modules are provided inside the first heating module and the second heating module.

[0016] Beneficial effects of the present invention:

[0017] 1. According to the commonly used deburring methods in the past, mechanical or manual grinding is the main method. Metal dust will be generated during the processing, which is harmful to human health; manual grinding is very slow, which seriously consumes time and labor. The difference is that the box body is sequentially provided with nano-polishing grooves, rust removal grooves, cleaning grooves and rust prevention grooves for automatic processing of the engine piston. The movable frame is arranged above the box body, which can be used for linear displacement operation of the engine piston. The lifting frame is located in the box body above the nano-polishing groove and connected to the support plate, which can slide up and down to drive the engine piston, especially for deburring the semi-cavity workpiece with complex shape such as the engine piston, and no waste liquid that is difficult to handle will be generated. It can replace traditional deburring methods such as mechanical deburring and manual grinding deburring, solve the problem that mechanical grinding is difficult to process workpieces with complex shapes and the problem of dust pollution caused by manual grinding. At the same time, there is no macroscopic force in the processing process, and no micro-cracks and residual stress will be left on the surface of the workpiece to affect the life of the workpiece, ensuring the consistency of the processed product. While solving the problem of efficient deburring on the surface of metal workpieces, it also effectively reduces the adverse effects on the environment and human health. Moreover, a series of processes including automated processing, rust removal, cleaning and rust prevention are realized, which greatly reduces time and labor costs and simplifies the operation process and processing procedures. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the automated processing equipment of the present invention;

[0019] Figure 2 It is a schematic diagram of the box of the automated processing equipment of the present invention;

[0020] Figure 3 It is a schematic diagram of the loading and unloading racks of the automated processing equipment of the present invention;

[0021] Figure 4 It is a schematic diagram of the top frame of the automated processing equipment of the present invention;

[0022] Figure 5 A schematic diagram of a mobile frame of the automated processing equipment of the present invention;

[0023] Figure 6 A schematic diagram of a lifting frame of the automated processing equipment of the present invention;

[0024] Figure 7 A schematic diagram of a support plate of the automated processing equipment of the present invention;

[0025] Figure 8 This is a schematic diagram of another angle of the support plate of the automated processing equipment of the present invention.

[0026] Description of the accompanying drawings: 1. Box; 2. Nano-polishing tank; 3. Rust removal tank; 4. Cleaning tank; 5. Anti-rust tank; 6. Loading and unloading racks; 7. Top rack; 8. Mobile rack; 9. Lifting rack; 10. Back plate; 101. Base frame; 102. Vertical frame; 103. Support frame; 104. Universal wheel module; 201. First drainage hole; 301. Second drainage hole; 401. Third drainage hole; 501. Heating rod; 601. Connecting frame; 602. Horizontal frame; 603. Clip; 701. Positioning plate; 702. Lifting ring; 703. Protective box; 704. Rack; 801. Mounting seat; 802. Mounting bolt; 803. Slot; 804. Balance plate; 805. Air pipe; 806. Air port; 807. Carrier; 808, connecting seat; 809, driving motor; 810, gear; 901, sleeve; 902, slide plate; 903, servo motor; 904, transmission screw module; 905, extension rod; 906, anti-slip coating; 907, reinforcing rib; 908, limiting groove; 1001, first heating module; 1002, stirring module; 1003, first connecting pipe; 1004, second connecting pipe; 1005, third connecting pipe; 1006, fourth connecting pipe; 1007, first water pump; 1008, second heating module; 1009, fifth connecting pipe; 1010, second water pump; 1011, sixth connecting pipe; 1012, slide; 1013, positioning bolt; 1014, cleaning nozzle. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-2 The present invention provides an embodiment: an automatic processing equipment for deburring an engine piston, comprising a box body 1, a nano-polishing groove 2, a rust removal groove 3, a cleaning groove 4, an anti-rust groove 5, a loading and unloading rack 6, a top rack 7, a mobile rack 8, a lifting rack 9 and a backing plate 10; the box body 1 is provided with a nano-polishing groove 2, a rust removal groove 3, a cleaning groove 4 and an anti-rust groove 5 for automatically processing the engine piston in sequence, a mobile rack 8 for linear displacement operation of the engine piston is provided above the box body 1, a top rack 7 for supporting the sliding of the mobile rack 8 is provided on the top of the box body 1, and multiple groups of backing plates 10 extending to the box body 1 are linearly provided on both sides below the top rack 7, a lifting rack 9 that can slide up and down to drive the engine piston is provided in the box body 1 above the nano-polishing groove 2 and connected to the backing plate 10, and an loading and unloading rack 6 for placing loading and unloading is provided at one end of the box body 1 away from the nano-polishing groove 2.

[0029] See also Figure 2-4 In this embodiment, a plurality of bottom frames 101 are sequentially laid at the bottom of the box body 1, and vertical frames 102 connected to the top frame 7 are arranged on all sides of the bottom frame 101. A plurality of support frames 103 are distributed at the bottom of the bottom frame 101, and the plurality of support frames 103 are crisscrossed. A plurality of universal wheel modules 104 are arranged at the bottom of the support frame 103, and a first drainage hole 201, a second drainage hole 301 and a third drainage hole 401 are respectively opened inside the nano-polishing groove 2, the rust removal groove 3 and the cleaning groove 4, a heating rod 501 is arranged inside the anti-rust groove 5, a water flow hole is opened at the inner bottom of the anti-rust groove 5, and an electric control box is electrically provided at the outer end of the heating rod 501.

[0030] See also Figure 3-5 In this embodiment, connecting frames 601 are vertically provided at both ends of the upper and lower material racks 6, a plurality of groups of horizontal frames 602 are linearly provided in the center of the upper and lower material racks 6, a clamp 603 is provided on the top of the upper and lower material racks 6, a plurality of groups of hanging rings 702 are distributed around the top rack 7, two groups of racks 704 for sliding of the moving rack 8 are symmetrically provided inside the top rack 7, a protective box 703 is provided on the outer periphery of the rack 704, and a positioning plate 701 is provided at the bottom of the protective box 703.

[0031] See also Figure 4-6In the present embodiment, the movable frame 8 is arranged in two groups opposite to each other, and the two groups of movable frames 8 are both provided with mounting frames at one end away from each other, and a card slot 803 is opened on the mounting frame, and a mounting seat 801 corresponding to the card slot 803 is provided between the movable frame 8 and the mounting frame, and a plurality of mounting bolts 802 are distributed on the mounting seat 801, and a connecting seat 808 is provided on the top of the mounting frame, and a carrier 807 is provided on the periphery of the connecting seat 808, and a rotating rod is provided at the center of the connecting seat 808, and a driving motor 809 is provided on the top of the rotating rod, and a gear 810 is provided at the bottom of the rotating rod, and the driving motor 809 drives the rotating rod to drive the gear 810 to rotate. A balancing plate 804 is provided at the bottom of the mounting frame, and air ports 806 are passed through both ends of the balancing plate 804, and an air pipe 805 is provided at the lower end of the air port 806.

[0032] See also Figure 5-8 In the present embodiment, the lifting frame 9 is arranged in two groups opposite to each other, and the two groups of lifting frames 9 are both provided with an extension rod 905 at one end away from each other, and a slide plate 902 is fixedly provided along the direction of the extension rod 905, and a transmission screw module 904 is vertically penetrated at the end of the slide plate 902 away from the lifting frame 9, and a sleeve 901 is provided on the outer periphery of the transmission screw module 904, and a servo motor 903 is provided at the bottom of the transmission screw module 904, and the servo motor 903 drives the transmission screw module 904 to drive the lifting frame 9 to rise and fall, and the outer wall of the lifting frame 9 is coated with an anti-slip coating 906, and reinforcing ribs 907 are symmetrically provided between the lifting frame 9 and the extension rod 905, and a limiting groove 908 is provided in the center of the lifting frame 9, and positioning bolts 1013 are provided between multiple groups of support plates 10, and one group of the support plates 10 is provided with a slide groove 1012 for sliding the lifting frame 9, and multiple groups of support plates 10 are sequentially penetrated with corresponding nano-polishing grooves 2, the first connecting pipe 1003, the second connecting pipe 1004, the third connecting pipe 1005, the fourth connecting pipe 1006, the fifth connecting pipe 1009 and the sixth connecting pipe 1011 of the rust removal tank 3, the cleaning tank 4 and the rust prevention tank 5, the first water pump 1007 is provided at the end of the third connecting pipe 1005 and the fourth connecting pipe 1006, the second water pump 1010 is provided on one side of the fifth connecting pipe 1009, the sixth connecting pipe 1011 is arranged in two groups relatively parallel, the tops of the two groups of sixth connecting pipes 1011 are both provided with cleaning nozzles 1014 corresponding to the nano-polishing tank 2, the inside of the cleaning nozzle 1014 is provided with an injector, the first connecting pipe 1003 is provided with a first heating module 1001, the side of the fifth connecting pipe 1009 is provided with a second heating module 1008, and the insides of the first heating module 1001 and the second heating module 1008 are both provided with stirring modules 1002.

[0033] When working, the first connecting pipe 1003, the second connecting pipe 1004, the third connecting pipe 1005, the fourth connecting pipe 1006, the fifth connecting pipe 1009 and the sixth connecting pipe 1011 are connected in sequence to the corresponding nano-polishing tank 2, the rust removal tank 3, the cleaning tank 4 and the rust prevention tank 5 to form a liquid circulation system. The plasma nano-polishing liquid is poured into the nano-polishing tank to remove burrs on the engine piston workpiece as a whole. The waste liquid can be directly discharged or recycled without pollution to the processing environment. The PLC central controller is connected externally. The first heating module 1001 and the second heating module 1008 perform heating and stirring operations on the incoming water flow in cooperation with the stirring module 1002, and the air pipe 805 is connected to the air port 806;

[0034] The engine piston is transported to the loading and unloading rack 6 and positioned by the clamp 603. The grinding tool is installed in the nano-polishing tank 2. The driving motor 809 drives the rotating rod to drive the gear 810 to rotate and move along the rack 704 to form a Y-axis walking clamping mechanism, so that the moving rack 8 inserts the engine piston on the loading and unloading rack 6 and puts it on the lifting rack 9. The servo motor 903 drives the transmission screw module 904 to drive the lifting rack 9 to descend along the slide groove 1012 into the nano-polishing tank 2 for grinding operation, forming a Z-axis walking clamping mechanism, and then lifted. The injector sprays the solution from the cleaning nozzle 1014 to clean the engine piston. The moving rack 8 inserts the engine piston on the loading and unloading rack 6 and puts it into the rust removal tank 3. The rust removal tank 3 is filled with rust removal liquid. The engine piston is wrapped in liquid, and the mobile rack 8 picks up the engine piston on the loading and unloading rack 6 and puts it into the cleaning tank 4 for cleaning. After cleaning, it is lifted up again and enters the anti-rust tank 5. The electric control box drives the heating rod 501 for treatment. In the anti-rust tank 5, the heating rod 501 can maintain a certain water temperature. The heating rod 501 can be used to heat the anti-rust liquid to improve its viscosity, so that the anti-rust liquid can better wrap the engine piston for rust protection. The gas passes through the air port 806 and is sprayed from the air pipe 805 to the engine piston. Each time it comes out of the nano-polishing tank 2, the rust removal tank 3, the cleaning tank 4 and the anti-rust tank 5, the water on the engine piston is blown dry. After the treatment is completed, it is placed on the loading and unloading rack 6, and the engine piston that needs to be treated is replaced, and the reciprocating operation is performed.

[0035] Through the above steps, the problem of mechanical grinding being difficult to process workpieces with complex shapes and the problem of manual grinding causing dust pollution are solved. At the same time, there is no macroscopic force during the processing, and no microcracks and residual stress will be left on the surface of the workpiece to affect the life of the workpiece, ensuring the consistency of the processed product. While solving the problem of efficient deburring of the metal workpiece surface, it also effectively reduces the adverse effects on the environment and human health. In addition, a series of processes including automated processing, rust removal, cleaning, and rust prevention are realized, which greatly reduces time and labor costs and simplifies the operation process and processing procedures.

[0036] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. An automatic deburring processing device for an engine piston, comprising a housing (1); characterized in that: The invention also comprises a nano polishing groove (2), a rust removal groove (3), a cleaning groove (4), an anti-rust groove (5), a loading and unloading rack (6), a top rack (7), a moving rack (8), a lifting rack (9) and a backing plate (10); the box body (1) is provided with a nano polishing groove (2), a rust removal groove (3), a cleaning groove (4) and an anti-rust groove (5) for automatically processing the engine piston in sequence; a moving rack (8) for linear displacement operation of the engine piston is provided above the box body (1); a top rack (7) for supporting the sliding of the moving rack (8) is provided at the top of the box body (1); a plurality of backing plates (10) extending to the box body (1) are linearly provided on both sides below the top rack (7); a lifting rack (9) which can slide up and down to drive the engine piston is provided above the nano polishing groove (2) in the box body (1) and is connected to the backing plate (10); an loading and unloading rack (6) for placing loading and unloading materials is provided at one end of the box body (1) away from the nano polishing groove (2).

2. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: A plurality of bottom frames (101) are sequentially laid on the bottom of the box body (1), vertical frames (102) connected upward to the top frame (7) are arranged around the bottom frame (101), a plurality of support frames (103) are distributed on the bottom of the bottom frame (101), the plurality of support frames (103) are arranged in a crisscross manner, and a plurality of universal wheel modules (104) are arranged at the bottom of the support frames (103).

3. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: A first drainage hole (201), a second drainage hole (301) and a third drainage hole (401) are respectively provided in the nano-polishing tank (2), the rust removal tank (3) and the cleaning tank (4), a heating rod (501) is provided in the rust prevention tank (5), a water flow hole is provided at the inner bottom of the rust prevention tank (5), and an electric control box is provided at the outer end of the heating rod (501).

4. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: Connecting frames (601) are vertically arranged at both ends of the upper and lower material racks (6), a plurality of sets of horizontal frames (602) are linearly arranged at the center of the upper and lower material racks (6), and a clamp (603) is arranged at the top of the upper and lower material racks (6).

5. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: A plurality of groups of lifting rings (702) are distributed around the top frame (7), two groups of racks (704) for sliding the moving frame (8) are symmetrically arranged inside the top frame (7), a protective box (703) is arranged on the outer periphery of the racks (704), and a positioning plate (701) is arranged at the bottom of the protective box (703).

6. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: The movable frame (8) is arranged in two groups opposite to each other. The two groups of movable frames (8) are both provided with mounting frames at one end away from each other. A card slot (803) is provided on the mounting frame. A mounting seat (801) corresponding to the card slot (803) is provided between the movable frame (8) and the mounting frame. A plurality of mounting bolts (802) are distributed on the mounting seat (801). A connecting seat (808) is provided at the top of the mounting frame. A carrier (807) is provided at the periphery of the connecting seat (808). A rotating rod is provided at the center of the connecting seat (808). A driving motor (809) is provided at the top of the rotating rod. A gear (810) is provided at the bottom of the rotating rod. The driving motor (809) drives the rotating rod to drive the gear (810) to rotate.

7. The automatic deburring processing equipment for engine pistons according to claim 6, characterized in that: A balance plate (804) is provided at the bottom of the mounting frame. Air ports (806) are provided at both ends of the balance plate (804). An air pipe (805) is provided at the lower end of the air port (806).

8. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: The lifting frame (9) is arranged in two groups opposite to each other. An extension rod (905) is provided at one end of the two groups of lifting frames (9) away from each other. A slide plate (902) is fixedly provided along the extension rod (905). A transmission screw module (904) is vertically penetrated at the end of the slide plate (902) away from the lifting frame (9). A sleeve (901) is provided on the outer periphery of the transmission screw module (904). A servo motor (903) is provided at the bottom of the transmission screw module (904). The servo motor (903) drives the transmission screw module (904) to drive the lifting frame (9) to rise and fall. The outer wall of the lifting frame (9) is coated with an anti-slip coating (906). Reinforcing ribs (907) are symmetrically provided between the lifting frame (9) and the extension rod (905). A limiting groove (908) is provided at the center of the lifting frame (9).

9. The automatic deburring processing equipment for engine pistons according to claim 1, characterized in that: Positioning bolts (1013) are arranged between the plurality of backing plates (10), one of the plurality of backing plates (10) is provided with a slide groove (1012) for sliding the lifting frame (9), and the plurality of backing plates (10) are provided with a first connecting pipe (1003), a second connecting pipe (1004), a third connecting pipe (1005), a fourth connecting pipe (1006), a fifth connecting pipe (1009) and a sixth connecting pipe (1011) which correspond to the nano-polishing groove (2), the rust removal groove (3), the cleaning groove (4) and the rust prevention groove (5) in sequence, and a first water pump (1011) is arranged at the end of the third connecting pipe (1005) and the fourth connecting pipe (1006). 07), a second water pump (1010) is provided on one side of the fifth connecting pipe (1009), the sixth connecting pipe (1011) is arranged in two groups in parallel, the tops of the two groups of sixth connecting pipes (1011) are provided with cleaning nozzles (1014) corresponding to the nano-polishing groove (2), and an injector is provided inside the cleaning nozzles (1014), a first heating module (1001) is provided on one side of the first connecting pipe (1003), a second heating module (1008) is provided on one side of the fifth connecting pipe (1009), and stirring modules (1002) are provided inside the first heating module (1001) and the second heating module (1008).

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