Anti-corrosion equipment and method for screw of screw vacuum pump

Abstract

The invention discloses anti-corrosion equipment and method for a screw of a screw vacuum pump, and relates to the technical field of screw vacuum pumps. The device comprises a limiting base and a protection bin body fixed to one side of the upper end face of the limiting base, a servo motor is arranged on the side, close to the protection bin body, of the inner wall of the limiting base, an adjusting lead screw is fixed to the output end of the servo motor, and an anti-corrosion coating bin is arranged in the center of the upper end face of the protection bin body; a mixing motor is arranged in the center of the upper end face of the anti-corrosion coating bin, a linkage mechanism is arranged at the output end of the mixing motor, a corrosion inhibitor bin body is arranged on one side of the mixing motor, spraying elastic pipes are symmetrically arranged at the lower end of the anti-corrosion coating bin, and spraying plate bodies are connected to the tail ends of the spraying elastic pipes. The anti-corrosion coating can be sprayed on the surface of the screw, so that the surface of the screw is difficult to corrode by gas which is corrosive and contains a small amount of solid particles when the screw vacuum pump works, and the service life of the screw can be further ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of screw vacuum pumps, and in particular relates to an anti-corrosion device and method for a screw of a screw vacuum pump. Background Art

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. Generally speaking, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space, while a screw vacuum pump is a vacuum device that uses a pair of screws to rotate synchronously at high speed in the pump housing to produce suction and exhaust effects. It is an updated product of the oil-sealed vacuum pump and can remove gases containing a large amount of water vapor and a small amount of dust.

[0003] Screw vacuum pumps are widely used in domestic pharmaceutical, chemical, semiconductor and other corporate fields with high requirements for clean vacuum. The screw in the screw vacuum pump is the main working part. Screw vacuum pumps often extract air and other corrosive gases containing a small amount of solid particles. If the screw is corroded for a long time, it will not only affect the normal operation of the equipment, but also affect the practical life of the screw vacuum pump. Summary of the invention

[0004] The purpose of the present invention is to provide an anti-corrosion device and method for a screw vacuum pump screw, which solves the existing problems by making the screw have good anti-corrosion effect.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention discloses an anti-corrosion device and method for a screw of a screw vacuum pump, comprising a limiting base and a protective bin body fixed on one side of an upper end face of the limiting base, a servo motor is arranged on a side of an inner wall of the limiting base close to the protective bin body, an adjusting screw is fixed on an output end of the servo motor, an outer surface of the adjusting screw is threadedly connected to a placing platform, an adjusting mechanism is arranged inside the placing platform, a main screw fixing bin is evenly arranged on one side of the placing platform, an anti-corrosion coating bin is arranged at the center of the upper end face of the protective bin body, a mixing motor is arranged at the center of the upper end face of the anti-corrosion coating bin, a linkage mechanism is arranged at the output end of the mixing motor, a corrosion inhibitor bin is arranged on one side of the mixing motor, a spray elastic tube is symmetrically arranged at the lower end of the anti-corrosion coating bin, a spray plate body is connected to a tail end of the spray elastic tube, and the spray plate body is symmetrically arranged on the inner wall of the protective bin body.

[0007] Furthermore, the adjustment mechanism includes a driving motor, a driving gear, an adjusting gear, a connecting pulley, a belt body, and a connecting part. The driving motor is fixed on one side of the placement platform close to the main screw fixing bin, the driving gear is fixed on the output end of the driving motor, the adjusting gear is connected to the upper end of the driving gear, and the adjusting gear runs through the inside of the placement platform, and the other end of the adjusting gear is connected to the main screw fixing bin.

[0008] Furthermore, a connecting pulley is fixed to the rear end of the adjusting gear, a belt body is sleeved on the outer surface of the connecting pulley, the other end of the belt body is connected to a connecting component, and the connecting component is symmetrical about the vertical center line of the adjusting gear, and the other end of the connecting component is connected to the main screw fixing bin.

[0009] Furthermore, a secondary screw fixing bin is provided on a side of the placement platform away from the main screw fixing bin, and the secondary screw fixing bin and the main screw fixing bin maintain the same horizontal center line.

[0010] Furthermore, the inner wall of the placement platform is symmetrically provided with inclined slopes, a collecting bin body is provided at the lower end of the inclined slope, and the collecting bin body runs through the interior of the placement platform, and a sewage outlet is provided at the center of the front surface of the collecting bin body.

[0011] Furthermore, the linkage mechanism includes a driving guide wheel, a connecting piece, a mixing paddle and a guide pipe, the driving guide wheel is fixed at the output end of the mixing motor, the connecting piece is connected to one side of the driving guide wheel through a belt, the mixing paddle is fixed at the upper end of the connecting piece, and the mixing paddle extends into the interior of the corrosion inhibitor bin, one side of the guide pipe is connected to a guide pipe, and the other end of the guide pipe is connected to the anti-corrosion coating bin.

[0012] Furthermore, a hollow mixing tube is fixed to the lower end surface of the driving guide wheel, heating rods are staggeredly fixed on the left and right sides of the hollow mixing tube, and a mixing drive mechanism is arranged inside the driving guide wheel.

[0013] Furthermore, the hybrid drive mechanism includes a micromotor, a fixed rod, a connecting gear, a mixing gear and a mixing rod body, the micromotor is fixed at the upper end of the hollow mixing tube, and one end of the micromotor is fixed to the driving guide wheel, the fixed rod is fixed to the output end of the micromotor, the connecting gear is evenly fixed on the outer surface of the fixed rod, the left and right sides of the mixing gear are symmetrically meshed on the outside of the connecting gear, the mixing rod body is fixed on the outside of the mixing gear, and the mixing rod body runs through the left and right sides of the hollow mixing tube.

[0014] Furthermore, a limiting piece with a trapezoidal cross section is fixed on the outer surface of the mixing rod body, a ball body is fixed on the outer side of the limiting piece, and the ball body is connected to the hollow mixing tube.

[0015] A method for anti-corrosion of a screw of a screw vacuum pump comprises the following steps:

[0016] S1. First, open the anti-corrosion coating tank and the corrosion inhibitor tank, and put the polytetrafluoroethylene dye and the inorganic corrosion inhibitor inside.

[0017] S2. Subsequently, the mixing motor is turned on. The mixing motor can drive the connecting piece to rotate by driving the guide wheel, so that the mixing paddle body can rotate accordingly, and the corrosion inhibitor in the corrosion inhibitor bin can be mixed. At the same time, the empty mixing tube can also rotate, and the paint in the anti-corrosion paint bin can be heated by the heating rod to keep it at a constant temperature. Then the micro motor is commanded to turn on. Since the fixed rod can mesh with the mixing gear through the connecting gear, the mixing rod body can be driven to mix the anti-corrosion paint and the corrosion inhibitor, so as to avoid precipitation and affect the subsequent spraying.

[0018] S3. Then, the screw is clamped in the main screw fixing chamber and the auxiliary screw fixing chamber, and the servo motor is commanded to start. The screw is adjusted to introduce the placement platform into the protective chamber for subsequent anti-corrosion spraying.

[0019] S4. Finally, the pump body can introduce the paint in the anti-corrosion paint tank into the spray plate body, and the screw can be treated for anti-corrosion.

[0020] S5. At the same time, the drive motor can drive the adjusting gear to rotate through the driving gear, and together with the connecting pulley and the belt body, the screw can rotate at multiple angles, and the inclined slope and the collection bin can collect and recycle the fallen and discarded anti-corrosion coating.

[0021] The present invention has the following beneficial effects:

[0022] The present invention can adjust the position of the placement platform by setting a servo motor through adjusting the screw rod, so that the screw can be sprayed subsequently, and the provided linkage mechanism and mixing drive mechanism can mix the anti-corrosion coating bin and the corrosion inhibitor bin spray liquid, thereby ensuring the spraying effect of the screw. Since the anti-corrosion coating can be sprayed on the surface of the screw, corrosive gases containing a small amount of solid particles are difficult to corrode the surface of the screw when the screw vacuum pump is working, thereby ensuring the practical life of the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1It is a top view schematic diagram of the limiting base of the present invention;

[0025] Figure 2 It is a left side schematic diagram of the limiting base of the present invention;

[0026] Figure 3 It is a schematic cross-sectional view of the limiting base of the present invention;

[0027] Figure 4 It is a schematic diagram of the regulating mechanism of the present invention;

[0028] Figure 5 This is a schematic cross-sectional view of the anti-corrosion coating bin of the present invention;

[0029] Figure 6 For the present invention Figure 5 A partial enlarged schematic diagram in the middle;

[0030] Figure 7 Schematic diagram of the hybrid drive mechanism of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Limiting base; 2. Protective bin body; 3. Servo motor; 4. Adjusting screw rod; 5. Placing platform; 6. Driving motor; 7. Driving gear; 8. Adjusting gear; 9. Connecting pulley; 10. Belt body; 11. Connecting parts; 12. Main screw fixing bin; 13. Auxiliary screw fixing bin; 14. Inclined slope; 15. Collecting bin body; 16. Drain outlet; 17. Anti-corrosion paint bin; 18. Mixing motor; 19. Driving guide wheel; 20. Connecting piece; 21. Mixing paddle body; 22. Corrosion inhibitor bin body; 23. Guide pipe; 24. Hollow mixing tube; 25. Heating rod; 26. Micro motor; 27. Fixed rod; 28. Connecting gear; 29. ​​Mixing gear; 30. Mixing rod body; 31. Limiting piece; 32. Ball body; 33. Spraying elastic tube; 34. Spraying plate body. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0034] See also Figure 1-7As shown, the present invention is an anti-corrosion device for a screw of a screw vacuum pump, comprising a limiting base 1 and a protective bin body 2 fixed on one side of the upper end face of the limiting base 1, a servo motor 3 is arranged on the inner wall of the limiting base 1 close to the side of the protective bin body 2, an adjusting screw 4 is fixed to the output end of the servo motor 3, the outer surface of the adjusting screw 4 is threadedly connected to a placing platform 5, an adjusting mechanism is arranged inside the placing platform 5, a main screw fixing bin 12 is evenly arranged on one side of the placing platform 5, an anti-corrosion coating bin 17 is arranged in the center of the upper end face of the protective bin body 2, a mixing motor 18 is arranged in the center of the upper end face of the anti-corrosion coating bin 17, a linkage mechanism is arranged at the output end of the mixing motor 18, a corrosion inhibitor bin body 22 is arranged on one side of the mixing motor 18, a spray elastic tube 33 is symmetrically arranged at the lower end of the anti-corrosion coating bin 17, a spray plate body 34 is connected to the tail end of the spray elastic tube 33, and the spray plate body 34 is symmetrically arranged on the inner wall of the protective bin body 2.

[0035] Among them Figure 1-4 As shown, the adjusting mechanism includes a driving motor 6, a driving gear 7, an adjusting gear 8, a connecting pulley 9, a belt body 10, and a connecting component 11. The driving motor 6 is fixed on one side of the placement platform 5 close to the main screw fixing bin 12, the driving gear 7 is fixed on the output end of the driving motor 6, the adjusting gear 8 is connected to the upper end of the driving gear 7, and the adjusting gear 8 runs through the inside of the placement platform 5, and the other end of the adjusting gear 8 is connected to the main screw fixing bin 12. Specifically, by cooperating with the setting of the driving motor 6 and the driving gear 7, the angle of the adjusting gear 8 can be adjusted, so that the main screw fixing bin 12 can be rotated, and the screw can be rotated at multiple angles, which can ensure the anti-corrosion spraying effect of the screw.

[0036] Among them Figure 4 As shown, a connecting pulley 9 is fixed to the rear end of the adjusting gear 8, and a belt body 10 is sleeved on the outer surface of the connecting pulley 9. The other end of the belt body 10 is connected to a connecting component 11, and the connecting component 11 is symmetrical about the vertical center line of the adjusting gear 8. The other end of the connecting component 11 is connected to a main screw fixing bin 12. Specifically, the connecting pulley 9 cooperates with the belt body 10 to connect the connecting component 11, thereby being able to drive multiple groups of screws to rotate at the same time, thereby improving the spraying effect of the screws.

[0037] Among them Figure 1-4 As shown, a secondary screw fixing bin 13 is provided on the side of the placement platform 5 away from the main screw fixing bin 12, and the secondary screw fixing bin 13 and the main screw fixing bin 12 maintain the same horizontal center line. Specifically, by cooperating with the main screw fixing bin 12 and the secondary screw fixing bin 13, the stability of the screw can be guaranteed, and a large shaking of the screw during processing can be avoided.

[0038] Among them Figure 3As shown, the inner wall of the placement platform 5 is symmetrically provided with an inclined slope 14, and a collecting bin body 15 is provided at the lower end of the inclined slope 14, and the collecting bin body 15 runs through the inside of the placement platform 5, and a sewage outlet 16 is provided at the center of the front surface of the collecting bin body 15. Specifically, the inclined slope 14 can guide the waste spray liquid generated by spraying, and collect it through the collecting bin body 15, which can facilitate the subsequent recycling of the waste spray liquid, and the sewage outlet 16 can facilitate the guidance of the spray liquid, thereby ensuring the environmental protection effect of the equipment.

[0039] Among them Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the linkage mechanism includes a driving guide wheel 19, a connecting piece 20, a mixing paddle 21 and a guide pipe 23. The driving guide wheel 19 is fixed at the output end of the mixing motor 18. The connecting piece 20 is connected to one side of the driving guide wheel 19 through a belt. The mixing paddle 21 is fixed at the upper end of the connecting piece 20, and the mixing paddle 21 extends into the interior of the corrosion inhibitor bin 22. One side of the guide pipe 23 is connected to the guide pipe 23, and the other end of the guide pipe 23 is connected to the anti-corrosion coating bin 17. Specifically, when the mixing motor 18 is turned on, the provided mixing motor 18 can drive the connecting piece 20 to rotate by the driving guide wheel 19, so that the mixing paddle 21 can rotate accordingly, and the corrosion inhibitor in the corrosion inhibitor bin 22 can be mixed. The provided guide pipe 23 can introduce the corrosion inhibitor bin into the anti-corrosion coating bin 17, so that the anti-corrosion coating and the corrosion inhibitor can be mixed, which is convenient for subsequent anti-corrosion spraying.

[0040] Among them Figure 5-6 As shown, a hollow mixing tube 24 is fixed to the lower end surface of the driving guide wheel 19, and heating rods 25 are staggered and fixed on the left and right sides of the hollow mixing tube 24. A mixing drive mechanism is arranged inside the driving guide wheel 19. Specifically, the hollow mixing tube 24 cooperates with the heating rod 25 to mix and heat the anti-corrosion coating in the anti-corrosion coating bin 17, which can facilitate the subsequent spraying effect.

[0041] Among them Figure 5-7As shown, the mixing drive mechanism includes a micro motor 26, a fixed rod 27, a connecting gear 28, a mixing gear 29 and a mixing rod body 30. The micro motor 26 is fixed at the upper end of the hollow mixing tube 24, and one end of the micro motor 26 is fixed to the driving guide wheel 19. The fixed rod 27 is fixed to the output end of the micro motor 26. The connecting gear 28 is evenly fixed on the outer surface of the fixed rod 27. The left and right sides of the mixing gear 29 are symmetrically meshed on the outside of the connecting gear 28. The mixing rod body 30 is fixed on the outside of the mixing gear 29, and the mixing rod body 30 runs through the left and right sides of the hollow mixing tube 24. Specifically, since the fixed rod 27 can mesh with the mixing gear 29 through the connecting gear 28, it can drive the mixing rod body 30 to mix the anti-corrosion coating and the corrosion inhibitor, which can avoid precipitation and affect subsequent spraying.

[0042] Among them Figure 2-3 As shown, a limit piece 31 with a trapezoidal cross-section is fixed to the outer surface of the mixing rod body 30, a ball body 32 is fixed to the outer side of the limit piece 31, and the ball body 32 is connected to the hollow mixing tube 24. Specifically, the limit piece 31 can limit the mixing rod body 30 to avoid the mixing rod body 30 from being offset, and the ball body 32 can reduce the friction between the mixing rod body 30 and the hollow mixing tube 24, thereby ensuring its subsequent processing effect.

[0043] A method for anti-corrosion of a screw of a screw vacuum pump comprises the following steps:

[0044] S1. First, the anti-corrosion coating bin 17 and the corrosion inhibitor bin 22 are opened, and polytetrafluoroethylene dye and inorganic corrosion inhibitor are placed inside.

[0045] S2. Subsequently, the mixing motor 18 is turned on. The mixing motor 18 can drive the connecting piece 20 to rotate by driving the guide wheel 19, so that the mixing paddle body 21 can rotate accordingly, and the corrosion inhibitor in the corrosion inhibitor bin body 22 can be mixed. At the same time, the hollow mixing tube 24 can also rotate, and the coating in the anti-corrosion coating bin 17 can be heated by the heating rod 25 to keep it at a constant temperature. Then the micro motor 26 is commanded to turn on. Since the fixing rod 27 can be engaged with the mixing gear 29 through the connecting gear 28, the mixing rod body 30 can be driven to mix the anti-corrosion coating and the corrosion inhibitor, so as to avoid precipitation and affect the subsequent spraying.

[0046] S3, then, the screw is clamped in the main screw fixing bin 12 and the auxiliary screw fixing bin 13, and the servo motor 3 is commanded to start, and the adjusting screw 4 can introduce the placement platform 5 into the protective bin body 2 for subsequent anti-corrosion spraying.

[0047] S4. Finally, the pump body can introduce the paint in the anti-corrosion paint tank 17 into the spray plate body 34, and the screw rod can be treated for anti-corrosion.

[0048] S5. At the same time, the drive motor 6 can drive the adjusting gear 8 to rotate through the drive gear 7, and together with the connecting pulley 9 and the belt body 10, the screw can rotate at multiple angles, and the inclined slope 14 and the collection bin body 15 can collect and recycle the fallen and discarded anti-corrosion paint.

[0049] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments, any equivalent replacement of some of the technical features therein, and any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. An anti-corrosion device for a screw of a screw vacuum pump, comprising a limiting base (1) and a protective chamber (2) fixed to one side of the upper end surface of the limiting base (1), characterized in that: A servo motor (3) is arranged on one side of the inner wall of the limiting base (1) close to the protective bin body (2); an adjusting screw (4) is fixed to the output end of the servo motor (3); a placement platform (5) is threadedly connected to the outer surface of the adjusting screw (4); an adjusting mechanism is arranged inside the placement platform (5); main screw fixing bins (12) are evenly arranged on one side of the placement platform (5); an anti-corrosion coating bin (12) is arranged at the center of the upper end surface of the protective bin body (2); 7), a mixing motor (18) is arranged at the center of the upper end surface of the anti-corrosion coating tank (17), a linkage mechanism is arranged at the output end of the mixing motor (18), a corrosion inhibitor tank body (22) is arranged on one side of the mixing motor (18), a spray elastic tube (33) is symmetrically arranged at the lower end of the anti-corrosion coating tank (17), a spray plate body (34) is connected to the tail end of the spray elastic tube (33), and the spray plate body (34) is symmetrically arranged on the inner wall of the protective tank body (2).

2. The anti-corrosion device for a screw of a screw vacuum pump according to claim 1, characterized in that: The adjusting mechanism comprises a driving motor (6), a driving gear (7), an adjusting gear (8), a connecting pulley (9), a belt body (10), and a connecting component (11); the driving motor (6) is fixed on a side of the placement platform (5) close to the main screw fixing bin (12); the driving gear (7) is fixed on the output end of the driving motor (6); the adjusting gear (8) is connected to the upper end of the driving gear (7), and the adjusting gear (8) runs through the inside of the placement platform (5); and the other end of the adjusting gear (8) is connected to the main screw fixing bin (12).

3. The anti-corrosion device for a screw of a screw vacuum pump according to claim 2, characterized in that: A connecting pulley (9) is fixed to the rear end of the adjusting gear (8), a belt body (10) is sleeved on the outer surface of the connecting pulley (9), the other end of the belt body (10) is connected to a connecting component (11), and the connecting component (11) is symmetrical about the vertical center line of the adjusting gear (8), and the other end of the connecting component (11) is connected to a main screw fixing bin (12).

4. The anti-corrosion device for a screw of a screw vacuum pump according to claim 3, characterized in that: A secondary screw fixing bin (13) is arranged on the side of the placement platform (5) away from the main screw fixing bin (12), and the secondary screw fixing bin (13) and the main screw fixing bin (12) maintain the same horizontal center line.

5. The anti-corrosion device for a screw of a screw vacuum pump according to claim 1, characterized in that: The inner wall of the placement platform (5) is symmetrically provided with an inclined slope (14), a collecting bin body (15) is provided at the lower end of the inclined slope (14), and the collecting bin body (15) runs through the interior of the placement platform (5), and a sewage outlet (16) is provided at the center of the front surface of the collecting bin body (15).

6. The anti-corrosion device for a screw of a screw vacuum pump according to claim 1, characterized in that: The linkage mechanism comprises a driving guide wheel (19), a connecting piece (20), a mixing paddle (21) and a guide pipe (23); the driving guide wheel (19) is fixed to the output end of the mixing motor (18); the connecting piece (20) is connected to one side of the driving guide wheel (19) through a belt; the mixing paddle (21) is fixed to the upper end of the connecting piece (20), and the mixing paddle (21) extends into the interior of the corrosion inhibitor bin (22); one side of the guide pipe (23) is connected to the guide pipe (23), and the other end of the guide pipe (23) is connected to the anti-corrosion coating bin (17).

7. The anti-corrosion device for a screw of a screw vacuum pump according to claim 6, characterized in that: A hollow mixing tube (24) is fixed to the lower end surface of the driving guide wheel (19), heating rods (25) are staggeredly fixed on the left and right sides of the hollow mixing tube (24), and a mixing drive mechanism is arranged inside the driving guide wheel (19).

8. The anti-corrosion device for a screw of a screw vacuum pump according to claim 7, characterized in that: The mixing drive mechanism comprises a micro motor (26), a fixing rod (27), a connecting gear (28), a mixing gear (29) and a mixing rod body (30); the micro motor (26) is fixed to the upper end of the hollow mixing tube (24), and one end of the micro motor (26) is fixed to the driving guide wheel (19); the fixing rod (27) is fixed to the output end of the micro motor (26); the connecting gear (28) is evenly fixed to the outer surface of the fixing rod (27); the left and right sides of the mixing gear (29) are symmetrically meshed with the outside of the connecting gear (28); the mixing rod body (30) is fixed to the outside of the mixing gear (29), and the mixing rod body (30) passes through the left and right sides of the hollow mixing tube (24).

9. The anti-corrosion device for a screw of a screw vacuum pump according to claim 8, characterized in that: A stopper (31) having a trapezoidal cross section is fixed on the outer surface of the mixing rod body (30), a ball body (32) is fixed on the outer side of the stopper (31), and the ball body (32) is connected to the hollow mixing tube (24).

10. The anti-corrosion method for a screw vacuum pump screw according to claim 1, characterized in that: The following steps are involved: S1. First, the anticorrosive coating bin (17) and the corrosion inhibitor bin (22) are opened, and polytetrafluoroethylene dye and inorganic corrosion inhibitor are placed therein. S2. Subsequently, the mixing motor (18) is turned on. The mixing motor (18) can drive the connecting member (20) to rotate by driving the guide wheel (19), so that the mixing paddle (21) can rotate accordingly, and the corrosion inhibitor in the corrosion inhibitor bin (22) can be mixed. At the same time, the empty mixing tube (24) can also rotate, and the coating in the anti-corrosion coating bin (17) can be heated by the heating rod (25) to keep it at a constant temperature. Then the micro motor (26) is commanded to turn on. Since the fixing rod (27) can be meshed with the mixing gear (29) through the connecting gear (28), the mixing rod (30) can be driven to mix the anti-corrosion coating and the corrosion inhibitor, so as to avoid precipitation and affect the subsequent spraying. S3, then, the screw is clamped in the main screw fixing chamber (12) and the auxiliary screw fixing chamber (13), and the servo motor (3) is commanded to start, and the adjusting screw (4) can introduce the placement platform (5) into the protective chamber body (2) for subsequent anti-corrosion spraying. S4. Finally, the pump body can introduce the paint in the anti-corrosion paint bin (17) into the spray plate body (34), and the screw rod can be treated for anti-corrosion. S5. At the same time, the driving motor (6) can drive the adjusting gear (8) to rotate through the driving gear (7), and together with the connecting pulley (9) and the belt body (10), the screw can be rotated at multiple angles, and the inclined slope (14) and the collection bin (15) can collect and recycle the fallen and discarded anti-corrosion paint.

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