CN114769048B

CN114769048B - Spraying equipment for anti-corrosion treatment of surface of metal material and spraying process thereof

Info

Publication number: CN114769048B
Application number: CN202210705195.4A
Authority: CN
Inventors: 陈飞飞; 吴忠华
Original assignee: Jiangsu Yuzhuo Special Doors And Windows Co ltd
Current assignee: Jiangsu Yuzhuo Special Doors And Windows Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-02
Anticipated expiration: 2042-06-21
Also published as: CN114769048A

Abstract

The invention discloses spraying equipment for anti-corrosion treatment of the surface of a metal material, which comprises a connecting pipe, wherein the end part of the connecting pipe is fixedly connected with an air storage shell, the arc-shaped outline of the air storage shell is provided with a through hole, an inserting rod is connected in the through hole in a sliding manner, one end of the inserting rod, far away from the air storage shell, is fixedly connected with a scraping plate for scraping and cleaning the inner wall of a metal pipe to be sprayed, the arc-shaped outline at the bottom of the metal pipe to be sprayed is provided with an arc-shaped supporting sleeve, the surface of the scraping plate is provided with a groove, and the inner wall of the groove is fixedly connected with an atomizing spray head for atomizing and spraying a coating. According to the invention, through the matching use of the structures, the problems that in the actual use process, when the inner wall of the metal pipeline is subjected to anti-corrosion spraying treatment, common spraying equipment is mostly manually operated, the accuracy is limited, and the use is inconvenient are solved.

Description

Spraying equipment for anti-corrosion treatment of surface of metal material and spraying process thereof

Technical Field

The invention relates to the technical field of spraying equipment, in particular to spraying equipment for the surface anticorrosion treatment of a metal material.

Background

In recent years, domestic chemical enterprises refine a large amount of high-sulfur and high-acid crude oil, so that the corrosion of equipment is aggravated, the problems are more serious, the corrosion continuously brings economic loss to the enterprises and threatens the lives of people, the corrosion has higher requirements for real-time detection of the corrosion, and not only is the result of corrosion measurement, but also the influence factors on the corrosion.

Therefore, people often carry out anticorrosion treatment to transport tubular product etc. especially carry out anticorrosion spraying to the metal pipeline inner wall and handle, and the spraying equipment of using usually is mostly artifical manual operation, and the precision is limited, brings the inconvenience for the use.

Disclosure of Invention

The invention aims to provide spraying equipment for the surface anticorrosion treatment of a metal material, which has the advantages of automatically performing dynamic cleaning and dynamic spraying on the inner wall of a pipe to be processed, performing uniform mixing operation on spraying liquid in a conveying pipeline and the like, and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spraying equipment that metal material surface anticorrosion was used, includes the connecting pipe, the tip fixedly connected with gas storage shell of connecting pipe, set up through-hole and this downthehole sliding connection have the inserted bar on the arc profile of gas storage shell, the one end fixedly connected with of keeping away from the gas storage shell on the inserted bar treats spraying metal tube inner wall and carries out the clear scraper blade of scraping, treat to be equipped with the arc profile of spraying metal tube bottom and support the cover, the surface of scraper blade is seted up flutedly, the inner wall fixedly connected with of recess carries out the atomizer that the atomizing sprays to coating.

Preferably, treat to be equipped with the drive on the spray metal pipe and treat that the spray metal pipe carries out pivoted telecontrol equipment in the arc supporting sleeve, telecontrol equipment includes and drives pivoted driving sleeve one by power unit, the inner wall fixedly connected with of driving sleeve one is put to one side, the one end transmission that keeps away from driving sleeve one on the axle one is connected with axle two, the one end fixedly connected with T shape backup pad that keeps away from driving sleeve one on the arc supporting sleeve, the one end dead axle rotation in T shape backup pad of keeping away from axle one on axle two, fixedly connected with cylindricality gasbag on the arc profile of axle two, be equipped with the admission valve on the cylindricality gasbag.

Preferably, be equipped with the elasticity transfer line that carries spray liquid in the connecting pipe, the one end that is close to the gas storage shell on the elasticity transfer line extends to the gas storage shell in, the inner wall fixedly connected with liquid storage shell of gas storage shell, the tip of elasticity transfer line extends to in the liquid storage shell, the one end through connection who keeps away from the elasticity transfer line on the liquid storage shell has the elasticity three-way pipe, the other both ends of elasticity three-way pipe run through corresponding inserted bar and scraper blade and communicate with atomizer.

Preferably, a discharging device is arranged in the liquid storage shell, the discharging device comprises a through hole which is arranged on the liquid storage shell and is opposite to the end part of the elastic three-way pipe, a circular truncated cone-shaped sealing plug is axially connected in the through hole in a limiting and sliding manner, a tension spring is fixedly connected on the inner wall of the liquid storage shell close to the truncated cone-shaped sealing plug, an annular pull plate is fixedly connected on one end of the tension spring far away from the elastic three-way pipe, the inner wall of the annular pulling plate is fixedly connected with an axial pull rod, one end of the axial pull rod facing the elastic three-way pipe is fixedly connected with the end part of the cone-shaped sealing plug, the arc-shaped profile of the axial pull rod is rotatably connected with two symmetrical rotating arms through a pin shaft, one ends of the two rotating arms, far away from the axial pull rod, are rotatably connected with pressure rods which radially penetrate through the arc-shaped profile of the liquid storage shell and slide in a limiting mode through pin shafts, and one ends of the pressure rods, far away from the rotating arms, are movably connected with the end portions of the inserted rods.

Preferably, be equipped with transmission in the gas storage shell, transmission includes the spacing sliding connection's of the inner wall piston plate of gas storage shell, the piston plate is run through by the liquid storage shell and with liquid storage shell swing joint, one side fixedly connected with guide arm one of keeping away from the elasticity transfer line on the piston plate, the one end fixedly connected with guide arm two of keeping away from the piston plate on the guide arm one, the one end fixedly connected with guide arm three of keeping away from guide arm one on the guide arm two, the bullport that supplies guide arm one, guide arm two and the activity of guide arm three is seted up on the surface of inserted bar, one side fixedly connected with pressure spring one of keeping away from guide arm one on the piston plate.

Preferably, be equipped with dust extraction on the gas storage shell, dust extraction includes compression balloon, compression balloon's one end is uncovered, the one end fixed connection who keeps away from the connecting pipe on last opening end of compression balloon and the gas storage shell, just there is one-way valve one to compression balloon's the tip through connection on the gas storage shell, the tip fixedly connected with pressure spring two of gas storage shell, the one end of keeping away from the gas storage shell on the pressure spring two and compression balloon's inner wall fixed connection, through connection has the two-way valve that is used for admitting air on keeping away from the arc profile of gas storage shell one end on the compression balloon.

Preferably, the inner wall of the air storage shell is fixedly connected with a filter screen.

Preferably, be equipped with auxiliary device in the connecting pipe, auxiliary device includes the infusion pipe, be close to the dead axle of two symmetries of fixedly connected with on the arc profile of tip on the infusion pipe, two the one end of keeping away from the infusion pipe on the dead axle rotates with the inner wall dead axle of connecting pipe to be connected, the last one end that is close to the gas storage shell of infusion pipe is connected with the tip fixed connection of elasticity transfer line, auxiliary device still includes and drives pivoted drive cover two by power unit, the equal radial fixedly connected with connecting axle of opposite side of drive cover two and drive cover one, two the equal fixedly connected with adapter sleeve of looks remote site of connecting axle, two the equal axial spacing sliding connection of inner wall of adapter sleeve has axle three, two the one end fixedly connected with fixed arm that axle three-phase is close to each other, the cover has the rotation cover on the arc profile of fixed arm, the arc profile of rotation cover is connected with the fixed surface of infusion pipe, the connecting pipe is characterized in that a convex block is fixedly connected to the arc-shaped outline of the connecting pipe, a through hole is formed in the surface of the convex block, and a rectangular limiting rod supported and fixed by an external support is axially limited and slidably connected in the through hole.

Preferably, the inner wall of the second driving sleeve is fixedly connected with a fourth shaft, the fourth shaft is in transmission connection with a fifth shaft, one end, far away from the fourth shaft, of the fifth shaft is rotatably connected with the surface fixed shaft of the T-shaped supporting plate, and fan blades are fixedly connected to the arc-shaped outline of the fifth shaft.

Preferably, the spraying process comprises the following steps:

s1: the preparation work is that the infusion catheter is communicated with an external high-pressure coating liquid source, the metal pipe to be sprayed is placed on the arc-shaped supporting sleeve, the cylindrical air bag is filled with gas, the cylindrical air bag is connected with the arc-shaped outline of the metal pipe to be sprayed, and the cylindrical air bag rotates to bring the metal pipe to be sprayed to rotate on the arc-shaped supporting sleeve.

S2: carrying out dust removal operation, and realizing dynamic dust removal on the inner wall of the metal pipe to be sprayed by utilizing the contact of the scraper and the inner wall of the rotating metal pipe to be sprayed;

s3: carrying out spraying operation, and realizing the conveying and spraying of the coating through the infusion guide pipe, the T-shaped supporting plate, the liquid storage shell, the elastic three-way pipe and the atomizing nozzle;

s4: the cleaning and spraying operation time is adjusted, and the piston plate, the guide rod I, the guide rod II, the guide rod III, the guide hole, the truncated cone-shaped sealing plug, the tension spring, the annular pull plate, the axial pull rod, the rotating arm, the pressing rod, the inserting rod and other structures are matched for use, so that the cleaning operation and the spraying operation are performed on the whole device firstly.

S5: the shaft IV drives the shaft V and the fan blades on the shaft V to rotate, so that disturbance to air flow is caused, and transfer and discharge of dust in the metal pipe to be sprayed and surplus coating dust are assisted.

Compared with the prior art, the invention has the following beneficial effects: the connecting pipe drives the gas storage shell to axially move in the metal pipe to be sprayed, the inserting rod supports the scraper, so that one side of the scraper, which is far away from the inserting rod, can be in contact with the inner wall of the metal pipe to be sprayed, the metal pipe to be sprayed rotates along with the scraper, and the scraper axially moves in the metal pipe to be sprayed along with the gas storage shell, so that the scraper can comprehensively clean the inner wall of the metal pipe to be sprayed, and the preparation is performed for subsequent spraying;

atomizing and spraying the spraying liquid through an atomizing nozzle in the groove, and finally attaching the atomized spraying liquid to the inner wall of the metal pipe to be sprayed;

through the arrangement of the moving device, the metal pipe to be sprayed smoothly carries out limiting rotation on the arc-shaped supporting sleeve;

through the arrangement of the discharging device, after the inner wall of the metal pipe to be sprayed is cleaned, the spraying liquid in a high-pressure state is released, and then the inner wall of the metal pipe to be sprayed is sprayed;

through the arrangement of the transmission device, the cleaning and spraying operations can be adjusted in sequence;

through dust extraction's setting, can treat that the produced dust of spraying metal pipe cleaning process carries out quick collection.

Through the arrangement of the auxiliary device, the spraying liquid stored in the infusion catheter can be swung to realize uniform mixing, and simultaneously, the air storage shell can smoothly move axially in the metal pipe to be sprayed along with the swinging of the infusion catheter in the connecting pipe and the matching of the rectangular limiting rod and the convex block;

through the cooperation use between the above-mentioned structure, solved in the in-service use, because the metal pipeline inner wall when carrying out anticorrosion spraying processing, the spraying equipment commonly used is mostly artifical manual operation, and the precision is limited, gives the problem of using inconvenience.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of a second shaft of the present invention;

FIG. 3 is a perspective view of the gas storage case of the present invention;

FIG. 4 is a top cross-sectional view of the gas storage case of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;

fig. 6 is an enlarged view of the structure of fig. 2B according to the present invention.

In the figure: 1. a connecting pipe; 2. a gas storage shell; 3. inserting a rod; 4. a squeegee; 5. spraying a metal pipe; 6. an arc-shaped support sleeve; 7. a groove; 8. an atomizing spray head; 9. a first driving sleeve; 10. a first shaft; 101. an elastic infusion tube; 11. a second shaft; 12. a cylindrical air bag; 13. a T-shaped support plate; 14. a liquid storage shell; 15. an elastic three-way pipe; 16. a truncated cone shaped sealing plug; 17. a tension spring; 18. an annular pull plate; 19. an axial pull rod; 20. a rotating arm; 21. a pressure lever; 22. a piston plate; 23. a first guide rod; 24. a second guide rod; 25. a third guide rod; 26. a guide hole; 27. a first pressure spring; 28. compressing the air bag; 29. a one-way valve I; 30. a second pressure spring; 31. a second one-way valve; 32. a filter screen; 33. an infusion catheter; 34. fixing a shaft; 35. a second driving sleeve; 36. a connecting shaft; 37. connecting sleeves; 38. a third shaft; 39. a fixed arm; 40. rotating the sleeve; 41. a bump; 42. a rectangular limiting rod; 43. shaft four; 44. a fifth shaft; 45. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The invention provides a technical scheme that: a spraying device for the surface anticorrosion treatment of a metal material comprises a connecting pipe 1, wherein the end part of the connecting pipe 1 is fixedly connected with a gas storage shell 2, the connecting pipe 1 drives the gas storage shell 2 to axially move in a metal pipe 5 to be sprayed, a through hole is arranged on the arc-shaped outline of the gas storage shell 2, an inserting rod 3 is connected in the through hole in a sliding way, one end of the inserting rod 3, far away from the gas storage shell 2, is fixedly connected with a scraper 4 for scraping and cleaning the inner wall of the metal pipe 5 to be sprayed, the scraper 4 is supported by the inserting rod 3, one side, far away from the inserting rod 3, of the scraper 4 can be contacted with the inner wall of the metal pipe 5 to be sprayed, the rotation of the metal pipe 5 to be sprayed is accompanied, the scraper 4 moves along with the axial direction of the gas storage shell 2 in the metal pipe 5 to be sprayed, the scraper 4 can comprehensively clean the inner wall of the metal pipe 5 to be sprayed, the preparation for the subsequent spraying is carried out, treat to be equipped with the arc on the arc profile of 5 bottoms of spraying tubular metal resonator and support cover 6, treat that spraying tubular metal resonator 5 carries out spacing rotation in arc supports cover 6, recess 7 has been seted up on the surface of scraper blade 4, and recess 7's inner wall fixedly connected with carries out atomizer 8 that the spraying atomizes to coating, atomizes the blowout with the spray solution through atomizer 8 in the recess 7, and the spray solution after the atomizing finally adheres to on treating the inner wall of spraying tubular metal resonator 5.

Further, treat to be equipped with the drive on the spray coating tubular metal resonator 5 and treat that spray coating tubular metal resonator 5 carries out pivoted telecontrol equipment in arc supports cover 6, telecontrol equipment includes that drive pivoted driving sleeve 9 by power unit, the inner wall fixedly connected with of driving sleeve 9 puts axle 10 to one side, the one end transmission that keeps away from driving sleeve 9 on axle 10 is connected with axle two 11, the one end fixedly connected with T shape backup pad 13 of keeping away from driving sleeve 9 on arc supports cover 6, the one end dead axle rotation on T shape backup pad 13 of keeping away from axle one 10 on axle two 11, fixedly connected with cylindricality gasbag 12 on the arc profile of axle two 11, be equipped with the admission valve on the cylindricality gasbag 12.

Referring to fig. 1 and 2, the driving sleeve I9 and the shaft I10 are driven to continuously rotate by a power mechanism, the power mechanism is a motor after being powered on, the shaft I10 drives the shaft II 11 to perform fixed-shaft rotation on the T-shaped supporting plate 13, the shaft II 11 drives the cylindrical air bag 12 to rotate, the cylindrical air bag 12 drives the metal pipe 5 to be sprayed to perform limited rotation in the arc-shaped supporting sleeve 6, and the T-shaped supporting plate 13 provides support for the rotation of the shaft II 11.

Supplementing gas into the cylindrical air bag 12 through the air inlet valve, so that the cylindrical air bag 12 can be in contact with the metal pipe 5 to be sprayed, and the metal pipe 5 to be sprayed smoothly rotates on the arc-shaped support sleeve 6 through the rotation of the cylindrical air bag 12;

further, be equipped with the elasticity transfer line 101 that carries spray liquid in the connecting pipe 1, the one end that is close to gas storage shell 2 on the elasticity transfer line 101 extends to in the gas storage shell 2, the inner wall fixedly connected with liquid storage shell 14 of gas storage shell 2, the tip of elasticity transfer line 101 extends to in the liquid storage shell 14, the one end through connection who keeps away from elasticity transfer line 101 on the liquid storage shell 14 has elasticity three-way pipe 15, the other both ends of elasticity three-way pipe 15 run through corresponding inserted bar 3 and scraper blade 4 and communicate with atomizer 8.

Referring to fig. 4 and 5, the high-pressure spraying liquid is conveyed into the liquid storage shell 14 through the elastic liquid conveying pipe 101, then the spraying liquid in the liquid storage shell 14 is conveyed into the atomizing nozzles 8 on the two insertion rods 3 through the elastic three-way pipe 15 through the discharging device, and finally the spraying liquid is atomized and sprayed out through the atomizing nozzles 8;

example two

On the basis of the first embodiment, further: the liquid storage shell 14 is internally provided with a discharging device, the discharging device comprises a through hole which is arranged on the liquid storage shell 14 just opposite to the end part of the elastic three-way pipe 15, a truncated cone-shaped sealing plug 16 is axially and limitedly slidably connected in the through hole, a tension spring 17 is fixedly connected to the inner wall of the liquid storage shell 14 close to the truncated cone-shaped sealing plug 16, an annular pull plate 18 is fixedly connected to one end of the tension spring 17 far away from the elastic three-way pipe 15, an axial pull rod 19 is fixedly connected to the inner wall of the annular pull plate 18, one end of the axial pull rod 19 facing the elastic three-way pipe 15 is fixedly connected with the end part of the truncated cone-shaped sealing plug 16, two symmetrical rotating arms 20 are rotatably connected to the arc contour of the axial pull rod 19 through a pin shaft, one ends of the two rotating arms 20 far away from the axial pull rod 19 are rotatably connected with a compression rod 21 which radially penetrates through the arc contour of the liquid storage shell 14 and limitedly slides, and one end part of the compression rod 21 far away from the rotating arm 20 is movably connected with the end part of the insertion rod 3.

Referring to fig. 5, when the two insert rods 3 with the scrapers 4 thereon move away from the inner wall of the metal pipe 5 to be sprayed, the opposite ends of the two insert rods 3 will contact with the opposite back ends of the two press rods 21 and generate extrusion, under the rotational fit of the rotating arm 20, the axial pull rod 19 can drive the annular pull plate 18 to move axially in the direction away from the elastic three-way pipe 15 after overcoming the elastic force of the tension spring 17, so that the truncated cone-shaped sealing plugs 16 on the ends of the axial pull rod 19 move synchronously, and the truncated cone-shaped sealing plugs 16 are separated from contact with the through holes on the ends of the liquid storage shell 14, so that the spraying liquid in the liquid storage shell 14 enters the elastic three-way pipe 15 through the through holes, and is finally atomized and sprayed out through the atomizing nozzles 8 through the pipelines extending from the two ends of the elastic three-way pipe 15.

EXAMPLE III

On the basis of the second embodiment, further: be equipped with transmission in the gas storage shell 2, transmission includes the spacing sliding connection's of inner wall piston plate 22 of gas storage shell 2, piston plate 22 is run through by liquid storage shell 14 and with liquid storage shell 14 swing joint, one side fixedly connected with guide arm 23 of keeping away from elasticity transfer line 101 on the piston plate 22, the one end fixedly connected with guide arm two 24 of keeping away from piston plate 22 on the guide arm 23, the one end fixedly connected with guide arm three 25 of keeping away from guide arm one 23 on the guide arm two 24, the bullport 26 that supplies guide arm one 23, guide arm two 24 and the activity of guide arm three 25 is seted up on the surface of inserted bar 3, one side fixedly connected with pressure spring one 27 of keeping away from guide arm one 23 on the piston plate 22.

Referring to fig. 4, when the pressure in the space on the right side in the air storage housing 2 in fig. 4 is continuously increased, the piston plate 22 is continuously moved leftward in the air storage housing 2 under a high pressure environment, and the piston plate 22 is moved leftward synchronously with respect to the first guide rod 23, the second guide rod 24 and the third guide rod 25;

in an original state, taking the guide rod I23, the guide rod II 24, the guide rod III 25, the guide hole 26 and the inserted rod 3 which are close to the cylindrical air bag 12 as an example for explanation, the guide rod I23, the guide rod II 24 and the guide rod I23 in the guide rod III 25 will be firstly contacted with the inner wall of the guide hole 26, at this time, the scraper blades 4 on the two inserted rods 3 are not contacted with the inner wall of the metal pipe 5 to be sprayed, and the whole air storage shell 2 can easily enter the metal pipe 5 to be sprayed; the inserting rod 3 can drive the scraper 4 to move along with the left movement of the guide rod I23, so that the scraper 4 is close to and finally contacts with the inner wall of the metal pipe 5 to be sprayed, and when the metal pipe passes through a section of the guide rod II 24, the guide rod II 24 does not incline relative to the guide rod I23 and the guide rod III 25, so that the scraper 4 can be continuously contacted with the inner wall of the metal pipe 5 to be sprayed, and further continuous polishing and cleaning are realized;

when the surface of the guide rod three 25 moves into the guide hole 26, the inserted rod 3 and the scraper 4 gradually approach the liquid storage shell 14, and the scraper 4 is separated from the contact with the inner wall of the metal pipe 5 to be sprayed. Through three-section distribution, the scraper 4 can smoothly enter the metal pipe 5 to be sprayed, can be continuously polished and cleaned, and finally retreats and prepares for subsequent spraying; the high pressure environment within the gas storage enclosure 2 will be described below.

Example four

On the basis of the third embodiment, further: be equipped with dust extraction on the gas storage shell 2, dust extraction includes compression gasbag 28, compression gasbag 28's one end is uncovered, the one end fixed connection who keeps away from connecting pipe 1 on opening end on the compression gasbag 28 and the gas storage shell 2, the tip through connection who just goes up compression gasbag 28 on the gas storage shell 2 has check valve 29, the tip fixed connection of gas storage shell 2 has pressure spring two 30, the one end of keeping away from gas storage shell 2 on pressure spring two 30 and the inner wall fixed connection of compression gasbag 28, through connection has check valve two 31 that is used for admitting air on the arc profile of keeping away from gas storage shell 2 one end on the compression gasbag 28.

Reference is made to fig. 1, 2 and 4;

the synchronous movement of the air storage shell 2 and the compression air bag 28 is driven by the axial reciprocating movement of the connecting pipe 1, when the end part of the compression air bag 28 moves to be in contact with the surface of the T-shaped supporting plate 13, the compression spring II 30 is pressed to deform, the space in the compression air bag 28 is reduced, the air in the compression air bag 28 can be transferred into the air storage shell 2 through the check valve I29, after the return movement is carried out to be separated from the squeezing and pressing connection with the T-shaped supporting plate 13, the compression air bag 28 can gradually recover deformation under the action of the elastic force of the compression spring II 30, and in the deformation recovery process, dust floating in the air due to scraping cleaning in the metal pipe 5 to be sprayed and paint which cannot be attached to the inner wall of the metal pipe 5 to be sprayed in the spraying process can be absorbed through the check valve II 31, so that the spraying quality is ensured; therefore, the air pressure in the right space of the air storage shell 2 can be continuously increased;

further, the inner wall of the gas storage shell 2 is fixedly connected with a filter screen 32.

Through the arrangement of the filter screen 32, particulate matters such as dust and the like are intensively intercepted in the rightmost space of the air storage shell 2, and other spaces in the air storage shell 2 are prevented from being polluted.

EXAMPLE five

On the basis of the fourth embodiment, further: an auxiliary device is arranged in the connecting pipe 1 and comprises an infusion catheter 33, two symmetrical fixed shafts 34 are fixedly connected to the arc-shaped contour of the infusion catheter 33 close to the end portion, one ends of the two fixed shafts 34 far away from the infusion catheter 33 are rotatably connected with the fixed shaft of the inner wall of the connecting pipe 1, and one end of the infusion catheter 33 far away from the fixed shaft 34 is communicated with an external high-pressure liquid source and is continuously supplied. One end of the continuous infusion catheter 33 close to the gas storage shell 2 is fixedly connected with the end of the elastic infusion tube 101, the auxiliary device further comprises a second driving sleeve 35 driven by a power mechanism to rotate, connecting shafts 36 are fixedly connected to the opposite sides of the second driving sleeve 35 and the first driving sleeve 9 in the radial direction, connecting sleeves 37 are fixedly connected to the opposite ends of the two connecting shafts 36, three shafts 38 are axially and fixedly connected to the inner walls of the two connecting sleeves 37 in a limiting sliding mode, a fixed arm 39 is fixedly connected to one end, close to the third shafts 38, of the fixed arm 39, a rotating sleeve 40 is sleeved on the arc profile of the fixed arm 39, the arc profile of the rotating sleeve 40 is fixedly connected with the surface of the infusion catheter 33, a protruding block 41 is fixedly connected to the arc profile of the connecting tube 1, a through hole is formed in the surface of the protruding block 41, and a rectangular limiting rod 42 which is supported and fixed by an external support is axially and slidably connected to the inside the through hole. The inner wall of the second driving sleeve 35 is fixedly connected with a fourth shaft 43, the fourth shaft 43 is in transmission connection with a fifth shaft 44, one end, far away from the fourth shaft 43, of the fifth shaft 44 is in fixed-axis rotation connection with the surface of the T-shaped supporting plate 13, and fan blades 45 are fixedly connected to the arc-shaped outline of the fifth shaft 44. In the actual use process, the second driving sleeve 35 and the first driving sleeve 9 rotate synchronously.

Refer to fig. 2 and 4;

the power mechanism on the second driving sleeve 35 has the same output power as the power mechanism on the first driving sleeve 9, and the second driving sleeve 35 drives the fourth shaft 43, the fifth shaft 44 and the fan blades 45 to rotate, so that the air in the metal pipe 5 to be sprayed is subjected to auxiliary disturbance, and dust particles quickly move and are blown away from the metal pipe 5 to be sprayed;

as shown in fig. 2, the two shafts three 38 are symmetrically arranged, the shaft one 10 and the shaft four 43 are symmetrically arranged, and the two shafts three 38 and the corresponding shaft one 10 and the corresponding shaft four 43 are arranged in parallel, and the shaft one 10 and the shaft four 43 are carried by the driving sleeve one 9 and the driving sleeve two 35 to rotate, so that the two shafts three 38 slide axially in the corresponding connecting sleeve 37, and the infusion catheter 33 can smoothly drive the connecting tube 1 to move through the fixed shaft 34 by the conduction of the fixed arm 39 and the rotating sleeve 40, and the connecting tube 1 can stably drive the air storage shell 2 to slide horizontally and axially by the matching limitation of the convex block 41 and the rectangular limiting rod 42, thereby realizing the transmission of the series of power.

Wherein the first shaft 10 is in transmission connection with the second shaft 11 in the same manner as the fourth shaft 43 and the fifth shaft 44, refer to fig. 6;

taking the first shaft 10 and the second shaft 11 as an example, the mounting seats are fixedly connected between opposite ends of the first shaft 10 and the second shaft 11, the limiting grooves are formed between the two mounting seats, the two mounting seats are connected with the rectangular strip through the limiting grooves in a limiting sliding mode, the rectangular strip can move in the two mounting seats, the rotating transmission between the first shaft 10 and the second shaft 11 can be realized through the rectangular strip, and the rectangular strip cannot slide out of the limiting grooves in the two mounting seats. In practical use, the rectangular strip can also be in a disc structure or the like to realize rotation transmission between the first shaft 10 and the second shaft 11.

Further, the spraying process comprises the following steps:

s1: the preparation work is that the infusion catheter 33 is communicated with an external high-pressure coating liquid source, the metal pipe 5 to be sprayed is placed on the arc-shaped support sleeve 6, the cylindrical air bag 12 is filled with gas, so that the cylindrical air bag 12 is connected with the arc-shaped outline of the metal pipe 5 to be sprayed, and the cylindrical air bag 12 rotates to drive the metal pipe 5 to be sprayed to rotate on the arc-shaped support sleeve 6.

S2: carrying out dust removal operation, and realizing dynamic dust removal on the inner wall of the metal pipe to be sprayed 5 by utilizing the contact of the scraper 4 and the inner wall of the rotating metal pipe to be sprayed 5;

s3: spraying operation is carried out, and the delivery and the spraying of the coating are realized through the infusion conduit 33, the T-shaped support plate 13, the liquid storage shell 14, the elastic three-way pipe 15 and the atomizing nozzle 8;

s4: the cleaning and spraying operation time is adjusted, and the cleaning operation and the spraying operation are carried out firstly through the matched use of structures such as the piston plate 22, the guide rod I23, the guide rod II 24, the guide rod III 25, the guide hole 26, the truncated cone-shaped sealing plug 16, the tension spring 17, the annular pull plate 18, the axial pull rod 19, the rotating arm 20, the pressing rod 21, the inserting rod 3 and the like.

S5: the shaft IV 43 drives the shaft V44 and the fan blades 45 on the shaft V44 to rotate, so that disturbance to air flow is caused, and transfer and discharge of dust in the metal pipe 5 to be sprayed and redundant paint dust are assisted.

The working principle is as follows: when the spraying equipment for the surface anti-corrosion treatment of the metal material is used, the connecting pipe 1 drives the gas storage shell 2 to axially move in the metal pipe 5 to be sprayed, the inserting rod 3 supports the scraper 4, so that one side, far away from the inserting rod 3, of the scraper 4 can be in contact with the inner wall of the metal pipe 5 to be sprayed, the scraper 4 can comprehensively clean the inner wall of the metal pipe 5 to be sprayed along with the rotation of the metal pipe 5 to be sprayed and the axial movement of the scraper 4 along with the gas storage shell 2 in the metal pipe 5 to be sprayed, and the spraying equipment is prepared for the subsequent spraying;

atomizing and spraying the spraying liquid through an atomizing nozzle 8 in the groove 7, and finally attaching the atomized spraying liquid to the inner wall of the metal pipe 5 to be sprayed;

through the arrangement of the moving device, the metal pipe 5 to be sprayed smoothly carries out limiting rotation on the arc-shaped support sleeve 6;

through the arrangement of the discharging device, after the inner wall of the metal pipe 5 to be sprayed is cleaned, the spraying liquid in a high-pressure state is released, and then the inner wall of the metal pipe 5 to be sprayed is sprayed;

through dust extraction's setting, can treat that the produced dust of spraying metal pipe 5 clean in-process carries out quick collection.

Through the setting of auxiliary device, can sway the spraying liquid that stores in the infusion pipe 33, realize even mixing, simultaneously along with the swing of infusion pipe 33 in connecting pipe 1 to and under the cooperation of rectangle gag lever post 42 and lug 41, make the gas storage shell 2 can be smooth carry out axial displacement in treating spraying tubular metal resonator 5.

The driving sleeve I9 and the shaft I10 are driven to rotate continuously through a power mechanism, the power mechanism is a motor after being powered on, the shaft I10 drives the shaft II 11 to rotate on the T-shaped supporting plate 13 in a fixed shaft mode, the shaft II 11 drives the cylindrical air bag 12 to rotate, and the cylindrical air bag 12 drives the metal pipe 5 to be sprayed to rotate in a limiting mode in the arc-shaped supporting sleeve 6;

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spraying equipment for the surface anticorrosion treatment of metal materials is characterized in that: the spraying device comprises a connecting pipe (1), wherein the end part of the connecting pipe (1) is fixedly connected with a gas storage shell (2), a through hole is formed in the arc-shaped outline of the gas storage shell (2), an inserting rod (3) is connected in the through hole in a sliding manner, one end, far away from the gas storage shell (2), of the inserting rod (3) is fixedly connected with a scraper (4) for scraping and cleaning the inner wall of a metal pipe (5) to be sprayed, an arc-shaped supporting sleeve (6) is arranged on the arc-shaped outline of the bottom of the metal pipe (5) to be sprayed, a groove (7) is formed in the surface of the scraper (4), and an atomizing spray head (8) for atomizing and spraying coating is fixedly connected to the inner wall of the groove (7);

the device comprises an arc-shaped support sleeve (6), wherein a moving device for driving the metal pipe to be sprayed (5) to rotate in the arc-shaped support sleeve (6) is arranged on the metal pipe to be sprayed (5), the moving device comprises a driving sleeve I (9) driven by a power mechanism to rotate, the inner wall of the driving sleeve I (9) is fixedly connected with a shaft I (10) which is arranged obliquely, one end, far away from the driving sleeve I (9), of the shaft I (10) is in transmission connection with a shaft II (11), one end, far away from the driving sleeve I (9), of the arc-shaped support sleeve (6) is fixedly connected with a T-shaped support plate (13), one end, far away from the shaft I (10), of the shaft II (11) is in fixed-axis rotation on the T-shaped support plate (13), a cylindrical air bag (12) is fixedly connected to the arc-shaped outline of the shaft II (11), and an air inlet valve is arranged on the cylindrical air bag (12);

be equipped with transmission in gas storage shell (2), transmission includes the spacing sliding connection's of inner wall piston plate (22) of gas storage shell (2), piston plate (22) run through by liquid storage shell (14) and with liquid storage shell (14) swing joint, keep away from one side fixedly connected with guide arm (23) of elasticity transfer line (101) on piston plate (22), keep away from the one end fixedly connected with guide arm two (24) of piston plate (22) on guide arm (23), keep away from the one end fixedly connected with guide arm three (25) of guide arm (23) on guide arm two (24), guide hole (26) that supply guide arm (23), guide arm two (24) and three (25) activities are seted up on the surface of inserted bar (3), keep away from one side fixedly connected with pressure spring (27) of guide arm (23) on piston plate (22).

2. The spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 1, characterized in that: be equipped with in connecting pipe (1) and carry out the elasticity transfer line (101) of carrying on spraying liquid, the one end that is close to gas storage shell (2) on elasticity transfer line (101) extends to in gas storage shell (2), the inner wall fixedly connected with liquid storage shell (14) of gas storage shell (2), the tip of elasticity transfer line (101) extends to in liquid storage shell (14), the one end through connection who keeps away from elasticity transfer line (101) on liquid storage shell (14) has elasticity three-way pipe (15), the other both ends of elasticity three-way pipe (15) run through corresponding inserted bar (3) and scraper blade (4) and communicate with atomizer (8).

3. The spraying apparatus for the anticorrosive treatment of the surface of a metallic material according to claim 2, characterized in that: the liquid storage shell is characterized in that a discharging device is arranged in the liquid storage shell (14), the discharging device comprises a through hole which is formed in the liquid storage shell (14) and is just opposite to the end portion of the elastic three-way pipe (15), a truncated cone-shaped sealing plug (16) is axially and slidably connected to the end portion of the elastic three-way pipe (15) in the through hole in an limiting mode, a tension spring (17) is fixedly connected to the inner wall of the liquid storage shell (14) close to the truncated cone-shaped sealing plug (16), an annular pull plate (18) is fixedly connected to one end, far away from the elastic three-way pipe (15), of the tension spring (17), an axial pull rod (19) is fixedly connected to the end portion of the truncated cone-shaped sealing plug (16) and faces one end of the elastic three-way pipe (15), two symmetrical rotating arms (20) are rotatably connected to the arc-shaped profile of the axial pull rod (19) through pin shafts, and one ends, far away from the axial pull rod (19), of the rotating arms (20) are rotatably connected to the arc-shaped profile of the radial rotating arms (14) through pin shafts A pressure lever (21) which penetrates through and slides in a limiting way, wherein one end of the pressure lever (21) far away from the rotating arm (20) is movably connected with the end part of the inserted bar (3).

4. The spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 3, characterized in that: be equipped with dust extraction on air storage shell (2), dust extraction includes compression balloon (28), the one end of compression balloon (28) is uncovered, the one end fixed connection who keeps away from connecting pipe (1) on opening end on compression balloon (28) and air storage shell (2), the tip through connection who just keeps away from compression balloon (28) on air storage shell (2) has check valve (29), the tip fixedly connected with pressure spring two (30) of air storage shell (2), keep away from the one end of air storage shell (2) and the inner wall fixed connection of compression balloon (28) on pressure spring two (30), through connection has two (31) of the check valve that are used for admitting air on keeping away from the arc profile of air storage shell (2) one end on compression balloon (28).

5. The spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 4, characterized in that: the inner wall of the air storage shell (2) is fixedly connected with a filter screen (32).

6. The spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 5, characterized in that: be equipped with auxiliary device in connecting pipe (1), auxiliary device includes infusion pipe (33), be close to dead axle (34) of two symmetries of fixedly connected with on the arc profile of tip on infusion pipe (33), two the one end of keeping away from infusion pipe (33) on dead axle (34) rotates with the inner wall dead axle of connecting pipe (1) to be connected, the one end that is close to gas storage shell (2) on infusion pipe (33) and the tip fixed connection of elasticity transfer line (101), auxiliary device still includes and drives pivoted drive cover two (35) by power unit, the equal radial fixedly connected with connecting axle (36) of opposite side of drive cover two (35) and drive cover one (9), two equal fixedly connected with adapter sleeve (37) in the looks remote site of connecting axle (36), two the equal spacing sliding connection of axial of the inner wall of adapter sleeve (37) has axle three (38), two one end fixedly connected with fixed arm (39) that three (38) of axle are close to each other, the cover has on the arc profile of fixed arm (39) and rotates cover (40), the arc profile of rotating cover (40) is connected with the fixed surface of infusion pipe (33), fixedly connected with lug (41) on the arc profile of connecting pipe (1), through-hole and this downthehole spacing sliding connection of axial have been seted up on the surface of lug (41) have by outside support fixed rectangle gag lever post (42).

7. The spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 6, characterized in that: the inner wall fixedly connected with axle four (43) of driving sleeve two (35), axle four (43) transmission is connected with axle five (44), the one end of keeping away from axle four (43) on axle five (44) is connected with the surperficial dead axle rotation of T shape backup pad (13), fixedly connected with flabellum (45) on the arc profile of axle five (44).

8. A spraying process for a spraying apparatus for anticorrosive treatment of a surface of a metallic material according to claim 7, characterized in that: the spraying process comprises the following steps:

s1: preparing, namely communicating a transfusion guide pipe (33) with an external high-pressure coating liquid source, placing a metal pipe (5) to be sprayed on an arc-shaped support sleeve (6), filling gas into a cylindrical air bag (12), connecting the cylindrical air bag (12) with the arc-shaped outline of the metal pipe (5) to be sprayed, and rotating the cylindrical air bag (12) to drive the metal pipe (5) to be sprayed to rotate on the arc-shaped support sleeve (6);

s2: carrying out dust removal operation, and realizing dynamic dust removal on the inner wall of the metal pipe (5) to be sprayed by utilizing the contact of the scraper (4) and the inner wall of the rotating metal pipe (5) to be sprayed;

s3: carrying out spraying operation, and realizing the conveying and spraying of the coating through a liquid conveying guide pipe (33), a T-shaped support plate (13), a liquid storage shell (14), an elastic three-way pipe (15) and an atomizing nozzle (8);

s4: the cleaning and spraying operation time is adjusted, and the cleaning operation and the spraying operation are carried out on the whole device firstly through the matched use of the piston plate (22), the guide rod I (23), the guide rod II (24), the guide rod III (25), the guide hole (26), the truncated cone-shaped sealing plug (16), the tension spring (17), the annular pull plate (18), the axial pull rod (19), the rotating arm (20), the pressing rod (21) and the inserting rod (3);

s5: the shaft IV (43) drives the shaft V (44) and fan blades (45) on the shaft V (44) to rotate, so that disturbance to air flow is caused, and transfer and discharge of dust in the metal pipe (5) to be sprayed and surplus coating dust are assisted.