阅读说明：本技术 钢管表面处理生产线 (Steel pipe surface treatment production line ) 是由 曹二玲 吴胜强 周金盛 于 2021-10-09 设计创作，主要内容包括：本发明公开了钢管表面处理生产线,包括分拣机构、上料机构、脱脂池、喷淋机构、硅烷池、电化学处理装置；分拣机构、上料机构、脱脂池、喷淋机构、硅烷池、电化学处理装置依次横向并排设置,且电化学处理装置前后两侧均设置有喷淋机构；分拣机构用于分拣和输送钢管,上料机构用于将钢管码放、固定并输送至后方的工序,脱脂池用于对钢管表面进行脱脂处理,喷淋机构用于对钢管表面进行水洗处理,硅烷池用于对钢管表面进行硅烷处理,电化学处理装置用于对钢管表面进行电化学处理。本发明设计合理,提高了自动化程度提高,降低了工人劳动强度,有效的提高了生产效率,并且对钢管处理的效果更好。(The invention discloses a steel pipe surface treatment production line, which comprises a sorting mechanism, a feeding mechanism, a degreasing tank, a spraying mechanism, a silane tank and an electrochemical treatment device, wherein the sorting mechanism is arranged on the steel pipe surface; the sorting mechanism, the feeding mechanism, the degreasing tank, the spraying mechanism, the silane tank and the electrochemical treatment device are sequentially and transversely arranged side by side, and the spraying mechanism is arranged on the front side and the rear side of the electrochemical treatment device; sorting mechanism is used for letter sorting and carries the steel pipe, and feed mechanism is used for piling up the steel pipe, fixed and carry to the process at rear, and the degreasing bath is used for carrying out the degreasing treatment to the steel pipe surface, sprays the mechanism and is used for carrying out the washing processing to the steel pipe surface, and the silane pond is used for carrying out silane processing to the steel pipe surface, and electrochemical processing device is used for carrying out electrochemical processing to the steel pipe surface. The automatic steel pipe processing machine is reasonable in design, improves the automation degree, reduces the labor intensity of workers, effectively improves the production efficiency, and has a better steel pipe processing effect.)

1. Steel pipe surface treatment production line, its characterized in that: comprises a sorting mechanism (1), a feeding mechanism (2), a degreasing tank (3), a spraying mechanism (4), a silane tank (5) and an electrochemical treatment device (6); the sorting mechanism (1), the feeding mechanism (2), the degreasing tank (3), the spraying mechanism (4), the silane tank (5) and the electrochemical treatment device (6) are sequentially and transversely arranged side by side, and the spraying mechanism (4) is arranged on the front side and the rear side of the electrochemical treatment device (6); sorting mechanism (1) is used for letter sorting and carry the steel pipe, and feed mechanism (2) are used for piling up the steel pipe, fix and carry the process to the rear, and degreasing bath (3) are used for carrying out the degreasing treatment to the steel pipe surface, and spray mechanism (4) are used for carrying out the washing processing to the steel pipe surface, and silane pond (5) are used for carrying out silane processing to the steel pipe surface, and electrochemical treatment device (6) are used for carrying out electrochemical treatment to the steel pipe surface.

2. The steel pipe surface treatment production line according to claim 1, characterized in that: sorting mechanism (1) is including hopper (11), steel pipe letter sorting pivot (12), fixture block conveyer belt (13), over-and-under type AGV dolly (14), hopper (11) bottom is rotated and is provided with steel pipe letter sorting pivot (12), steel pipe letter sorting pivot (12) lower place ahead is rotated and is provided with fixture block conveyer belt (13), over-and-under type AGV dolly (14) have been placed to fixture block conveyer belt (13) top for sort out the steel pipe and drop to fixture block conveyer belt (13) on, move to over-and-under type AGV dolly (14) again.

3. The steel pipe surface treatment production line according to claim 2, characterized in that: the top of the hopper (11) is provided with a wide caliber (111), the bottom of the hopper is provided with a narrow caliber (112), and the length of the hopper (11) is gradually reduced from the top to the bottom;

the steel pipe sorting rotating shaft (12) is transversely provided with a plurality of clamping grooves (121), and the clamping grooves (121) extend to the right end along the left end of the steel pipe sorting rotating shaft (12) and are used for sorting steel pipes.

4. The steel pipe surface treatment production line according to claim 3, characterized in that: the feeding mechanism (2) comprises a hoisting top plate (21), a rack slideway (22) and a feeding support (23), the rack slideway (22) extends to the tail end of the production line from the feeding mechanism (2), the rack slideway (22) is connected with the hoisting top plate (21) in a sliding manner, and the hoisting top plate (21) is movably connected with the feeding support (23) through a lifting rope (7) and is used for driving the feeding support (23) to move up and down by the hoisting top plate (21) and transporting steel pipes in a sliding manner above the rack slideway (22);

feeding platform (24) are arranged in the middle of the feeding support (23), and the feeding platform (24) is in butt joint with the fixture block conveying belt (13), so that the lifting AGV trolley (14) can convey the steel pipes on the fixture block conveying belt (13) to the feeding platform (24).

5. The steel pipe surface treatment production line according to claim 4, characterized in that: material loading support (23) both ends are all fixed and are equipped with a plurality of layers and put work or material rest (25), it is provided with fixture block (26) that a plurality of corresponds respectively to put work or material rest (25) inner end, over-and-under type AGV dolly (14) both ends, it is equipped with baffle (27) to put work or material rest (25) outer end, be equipped with on baffle (27) with fixture block (26) corresponding buckle (28), make over-and-under type AGV dolly (14) move the steel pipe to on putting work or material rest (25) to it is fixed with the steel pipe by buckle (28).

6. The steel pipe surface treatment production line according to claim 5, characterized in that: the spraying mechanism (4) comprises a hoisting support plate (41), a spraying frame (42), a spraying plate (43) and a washing spraying plate (44), hoisting support legs (45) are arranged on two sides of the rack slideway (22), the hoisting support plate (41) is fixedly connected above the hoisting support legs (45), the hoisting support plate (41) is positioned above the rack slideway (22), the hoisting support plate (41) is connected with the spraying frame (42) through a lifting rope (7) to drive the spraying frame (42) to move up and down, the spraying frame (42) is fixedly arranged on a horizontal plane on which the loading support (23) is placed, the spraying plate (43) is movably arranged on the front side and the rear side of the spraying frame (42), and the washing spraying plate (44) is movably arranged on the left side and the right side of the spraying plate (43); the spraying frame (42), the spraying plate (43) and the washing spraying plate (44) are used for washing the steel pipes on the feeding support (23).

7. The steel pipe surface treatment production line according to claim 6, characterized in that: the spray rack (42) is provided with a plurality of layers of spray pipes (46), a plurality of layers of spray heads (47) are arranged on the inner side surfaces of the spray plate (43) and the washing spray plate (44), a plurality of layers of long and thin nozzles (48) are further arranged on the inner side surface of the washing spray plate (44) on the left side, and the long and thin nozzles (48) can extend into the steel pipes on the feeding support (12).

8. The steel pipe surface treatment production line according to claim 7, characterized in that: the electrochemical treatment device (6) comprises an electrophoresis cell (61), electrode bar supports (62) and electrophoresis partition plates (63), electrophoresis liquid is injected into the electrophoresis cell (61), the electrode bar supports (62) are arranged on the left side and the right side of the electrophoresis cell (61) in a sliding mode, and the electrophoresis partition plates (63) are arranged on the inner sides of the electrode bar supports (62); electrode plates (65) are arranged at the bottom and two sides of the electrophoresis cell (61), and the electrode plates (65) at the bottom and the electrode plates (65) at two sides are respectively connected with opposite electrodes.

9. The steel pipe surface treatment production line according to claim 8, characterized in that: electrode bar support (62) include electrode bar guardrail (621) and electrode bar curb plate (622), and electrode bar guardrail (621) outside lower extreme is fixed and is equipped with electrode bar curb plate (622), be equipped with a plurality of electrode bar (6221) on electrode bar curb plate (622), electrode bar guardrail (621) pass through pulley (64) at electrophoresis cell (61) edge sliding connection, make electrode bar (6221) on electrophoresis cell (61) left and electrode bar (6221) the relative motion on right side and can contact the connection, and both sides electrode bar (6221) are connected with electrode plate (65) of electrophoresis cell (61) both sides respectively.

10. The steel pipe surface treatment production line according to claim 9, characterized in that: the electrophoresis partition plate (63) is provided with a plurality of insertion holes (631), and the electrode rods (6221) penetrate through the insertion holes (631) and extend into the steel pipe on the feeding support (23).

Technical Field

The invention relates to a production line for steel pipe surface treatment, in particular to a steel pipe surface treatment production line.

Background

The steel pipe is one kind of steel, mainly be applied to trades such as building materials, fire engineering, petrochemical, machine-building, because the steel pipe is mainly applied to large-scale industry, it is inconvenient often to change, so in the use for preventing the steel pipe from being corroded, oxidation, influence the use, can handle the steel pipe surface, process such as degreasing, rust cleaning then reach the purpose of coating, however present all is single process manual operation to the mode of steel pipe surface treatment, need a large amount of manpowers and apparatus, degree of automation is low, intensity of labour is big, production efficiency is also low, the course of working wastes time and energy, and the effect of handling to the steel pipe is also not good enough, consequently need design a steel pipe surface treatment's production line.

Disclosure of Invention

The invention aims to overcome the defects in the background technology and provide a steel pipe surface treatment production line.

In order to achieve the purpose, the invention adopts the following technical scheme:

the steel pipe surface treatment production line comprises a sorting mechanism, a feeding mechanism, a degreasing tank, a spraying mechanism, a silane tank and an electrochemical treatment device; the sorting mechanism, the feeding mechanism, the degreasing tank, the spraying mechanism, the silane tank and the electrochemical treatment device are sequentially and transversely arranged side by side, and the spraying mechanisms are arranged on the front side and the rear side of the electrochemical treatment device; sorting mechanism is used for letter sorting and carrying the steel pipe, and feed mechanism is used for piling up the steel pipe, fixes and carry the process to the rear, and the degreasing bath is used for carrying out the degrease to the steel pipe surface, sprays the mechanism and is used for carrying out the washing processing to the steel pipe surface, and the silane pond is used for carrying out silane processing to the steel pipe surface, and electrochemical processing device is used for carrying out electrochemical processing to the steel pipe surface.

As preferred, letter sorting mechanism includes hopper, steel pipe letter sorting pivot, fixture block conveyer belt, over-and-under type AGV dolly, the hopper bottom is rotated and is provided with steel pipe letter sorting pivot, and the place ahead is rotated and is provided with the fixture block conveyer belt under the steel pipe letter sorting pivot, and over-and-under type AGV dolly has been placed to fixture block conveyer belt top for sort out the steel pipe and drop to the fixture block conveyer belt, move to over-and-under type AGV dolly again.

Preferably, the top of the hopper is wide in caliber, the bottom of the hopper is narrow in caliber, and the length of the hopper is gradually reduced from the top to the bottom; the steel pipe letter sorting pivot transversely is equipped with a plurality of draw-in groove, and the draw-in groove extends to the right-hand member along the left end of steel pipe letter sorting pivot for sort the steel pipe.

Preferably, the feeding mechanism comprises a hoisting top plate, a rack slideway and a feeding support, the rack slideway extends from the feeding mechanism to the tail end of the production line, the hoisting top plate is connected onto the rack slideway in a sliding manner, the hoisting top plate is movably connected with the feeding support through a lifting rope and is used for hoisting the top plate to drive the feeding support to move up and down and transporting the steel pipe in a sliding manner above the rack slideway; and a feeding platform is arranged in the middle of the feeding support and is in butt joint with the fixture block conveying belt, so that the lifting AGV transports the steel pipe on the fixture block conveying belt to the feeding platform.

Preferably, a plurality of layers of material placing frames are fixedly arranged at two ends of the feeding support, a plurality of corresponding clamping blocks are arranged at the inner end of each material placing frame and at two ends of the lifting type AGV trolley respectively, a baffle is arranged at the outer end of each material placing frame, and a buckle corresponding to the clamping blocks is arranged on each baffle, so that the lifting type AGV trolley moves the steel pipe to the material placing frames and fixes the steel pipe through the buckle.

Preferably, the spraying mechanism comprises a hoisting support plate, a spraying frame, a spraying plate and a washing spraying plate, hoisting support legs are arranged on two sides of a rack slideway, the hoisting support plate is fixedly connected above the hoisting support legs and positioned above the rack slideway, the hoisting support plate is connected with the spraying frame through a lifting rope, the spraying frame is driven to move up and down, the spraying frame is fixedly arranged on a horizontal plane for placing the loading support, the spraying plate is movably arranged on the front side and the rear side of the spraying frame, and the washing spraying plate is movably arranged on the left side and the right side of the spraying plate; the spraying frame, the spraying plate and the washing spraying plate are used for washing the steel pipes on the feeding support.

Preferably, the spraying frame is provided with a plurality of layers of spraying pipes, the inner side surfaces of the spraying plate and the washing spraying plate are provided with a plurality of layers of spray heads, the inner side surface of the left washing spraying plate is also provided with a plurality of layers of slender nozzles, and the slender nozzles can extend into the steel pipes on the feeding support.

Preferably, the electrochemical treatment device comprises an electrophoresis cell, electrode bar supports and electrophoresis partition plates, electrophoresis liquid is injected into the electrophoresis cell, the electrode bar supports are arranged on the left side and the right side of the electrophoresis cell in a sliding mode, the electrophoresis partition plates are arranged on the inner sides of the electrode bar supports, electrode plates are arranged at the bottom and on the two sides of the electrophoresis cell, and the electrode plates at the bottom and the electrodes on the two sides are respectively connected with opposite electrodes.

As preferred, the electrode bar support includes electrode bar guardrail and electrode bar curb plate, and the fixed electrode bar curb plate that is equipped with of electrode bar guardrail outside lower extreme, be equipped with a plurality of electrode bar on the electrode bar curb plate, the electrode bar guardrail passes through the pulley at the marginal sliding connection of electrophoresis cell, makes the electrode bar on the left electrode bar of electrophoresis cell and the electrode bar on right side motion each other and can contact the connection, and the electrode bar of both sides is connected with the plate electrode of electrophoresis cell both sides respectively.

Preferably, the electrophoresis partition plate is provided with a plurality of insertion holes, and the electrode rods penetrate through the insertion holes and extend into the steel pipe of the feeding support.

The invention has the beneficial effects that:

the steel pipe surface treatment production line is provided with a sorting mechanism, a feeding mechanism, a degreasing tank, a spraying mechanism, a silane tank and an electrochemical treatment device, wherein the sorting mechanism is used for sorting and conveying steel pipes, the feeding mechanism is used for stacking, fixing and conveying the steel pipes to the rear process, the degreasing tank is used for degreasing the surface of the steel pipes, the spraying mechanism is used for washing the surface of the steel pipes, the silane tank is used for performing silane treatment on the surface of the steel pipes, and the electrochemical treatment device is used for performing electrochemical treatment on the surface of the steel pipes, so that the treatment on the surface of the steel pipes is completed, the automation degree is greatly improved, the labor intensity of workers is reduced, the production efficiency is effectively improved, the processing process is more time-saving and labor-saving, and the steel pipe treatment effect is better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a schematic structural view of a sorting mechanism according to the present invention;

FIG. 4 is a schematic structural view of a hopper and a steel pipe sorting rotating shaft according to the present invention;

FIG. 5 is a schematic structural view of a feeding mechanism of the present invention;

FIG. 6 is a schematic structural view of the spray mechanism of the present invention;

FIG. 7 is a schematic structural view of the left side shower plate of the present invention;

FIG. 8 is a schematic view showing the structure of an electrochemical processing apparatus according to the present invention;

FIG. 9 is a schematic view of the electrode bar supports on both sides of the electrophoresis cell of the present invention separated;

FIG. 10 is a schematic view showing the positional relationship of electrode plates of the electrophoresis cell of the present invention;

FIG. 11 is a schematic view of the structure of an electrode rod holder according to the present invention;

fig. 12 is a schematic structural view of an electrophoretic separator according to the present invention.

In the figure:

1-a sorting mechanism; 11-a hopper; 12-steel tube sorting rotating shaft; 13-a fixture block conveyor belt; 14-lifting type AGV trolley; 111-wide caliber; 112-narrow caliber; 121-card slot;

2-a feeding mechanism; 21-hoisting a top plate; 22-a rack slide; 23-a feeding support; 24-a feed platform; 25-material placing frame; 26-a fixture block; 27-a baffle; 28-buckling;

3-a degreasing tank;

4-a spraying mechanism; 41-hoisting a supporting plate; 42-a spray rack; 43-spraying plate; 44-rinsing the shower plate; 45-hoisting support legs; 46-a nozzle; 47-a spray head; 48-an elongated nozzle;

5-a silane tank;

6-electrochemical treatment device; 61-an electrophoresis cell; 62-electrode rod holder; 63-an electrophoretic separator; 64-a pulley; 65-an electrode plate; 621-electrode bar guard rail; 622-electrode bar side plates; 631-an insertion hole; 6221-electrode rod;

7-lifting ropes.

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.

As shown in fig. 1 and 2, the steel pipe surface treatment production line comprises a sorting mechanism 1, a feeding mechanism 2, a degreasing tank 3, a spraying mechanism 4, a silane tank 5 and an electrochemical treatment device 6; the sorting mechanism 1, the feeding mechanism 2, the degreasing tank 3, the spraying mechanism 4, the silane tank 5 and the electrochemical treatment device 6 are sequentially and transversely arranged side by side, and the spraying mechanisms 7 are arranged on the front side and the rear side of the electrochemical treatment device 6; sorting mechanism 1 is used for letter sorting and carrying the steel pipe, and feed mechanism 2 is used for piling up the steel pipe, fixes and carry the process to the rear, and degreasing bath 3 is used for carrying out the degrease processing to the steel pipe surface, and spray mechanism 4 is used for carrying out the washing processing to the steel pipe surface, and silane pond 5 is used for carrying out silane processing to the steel pipe surface, and electrochemical treatment device 6 is used for carrying out electrochemical treatment to the steel pipe surface.

As shown in fig. 3, the sorting mechanism 1 comprises a hopper 11, a steel pipe sorting rotating shaft 12, a fixture block conveying belt 13 and a lifting type AGV trolley 14, the bottom of the hopper 11 is rotatably provided with the steel pipe sorting rotating shaft 12, the lower front of the steel pipe sorting rotating shaft 12 is rotatably provided with the fixture block conveying belt 13, the lifting type AGV trolley 14 is placed above the fixture block conveying belt 13 and used for sorting out steel pipes, dropping the steel pipes onto the fixture block conveying belt 13 and then moving the steel pipes to the lifting type AGV trolley 14.

As shown in fig. 4, the top of the hopper 11 is wide caliber 111 for steel pipes to enter the hopper, the bottom is narrow caliber 112, the length of the hopper 11 is gradually decreased from the top to the bottom, and the steel pipes entering from the wide caliber 111 are disordered and play a role in arranging the steel pipes; the steel pipe letter sorting pivot 12 transversely is equipped with a plurality of draw-in groove 121, and draw-in groove 121 extends to the right-hand member along the left end of steel pipe letter sorting pivot 12, is convenient for block the steel pipe, and the steel pipe rotates along with steel pipe letter sorting pivot 12, gets into fixture block conveyer belt 13.

As shown in fig. 5, the feeding mechanism 2 includes a hoisting top plate 21, a rack slideway 22 and a feeding support 23, the rack slideway 22 extends from the feeding mechanism 2 to the end of the production line, the rack slideway 22 is connected with the hoisting top plate 21 in a sliding manner, the hoisting top plate 21 is movably connected with the feeding support 23 through a lifting rope 7, and the hoisting top plate 21 is used for driving the feeding support 23 to move up and down and sliding above the rack slideway 22 to transport the steel pipe; and a feeding platform 24 is arranged in the middle of the feeding support 23, and the feeding platform 24 is in butt joint with the fixture block conveyor belt 13, so that the lifting AGV trolley 14 can convey the steel pipe on the fixture block conveyor belt 13 to the feeding platform 24.

As shown in fig. 5, a plurality of layers of material placing frames 25 are fixedly arranged at both ends of the feeding support 23, a plurality of corresponding clamping blocks 26 are respectively arranged at the inner end of each material placing frame 25 and at both ends of the lifting AGV trolley 14, a baffle 27 is arranged at the outer end of each material placing frame 25, and a buckle 28 corresponding to the clamping blocks 26 is arranged on each baffle 27, so that the lifting AGV trolley 14 moves the steel pipe to the material placing frames 25 and fixes the steel pipe by the buckle 28.

As shown in fig. 6, the spraying mechanism 4 comprises a hoisting support plate 41, a spraying frame 42, a spraying plate (43) and a washing spraying plate 44, hoisting support legs 45 are arranged on two sides of the rack slideway 22, the hoisting support plate 41 is fixedly connected above the hoisting support legs 45, the hoisting support plate 41 is positioned above the rack slideway 22, the hoisting support plate 41 is connected with the spraying frame 42 through a lifting rope 7 to drive the spraying frame 42 to move up and down, the spraying frame 42 is fixedly arranged on a horizontal plane on which the loading support 23 is placed, the spraying plates 43 are movably arranged on the front side and the rear side of the spraying frame 42, and the washing spraying plate 44 is movably arranged on the left side and the right side of the spraying plate 43; the spray rack 42, the spray plate 43 and the washing spray plate 44 are used for washing the steel pipes on the feeding support 23.

As shown in fig. 6 and 7, the spray rack 42 is provided with a plurality of layers of spray pipes 46, a plurality of layers of spray heads 47 are arranged on the inner side surfaces of the spray plate 43 and the washing spray plate 44, a plurality of layers of elongated nozzles 48 are further arranged on the inner side surface of the washing spray plate 44 on the left side, and the elongated nozzles 48 can extend into the steel pipes on the feeding support 12.

As shown in fig. 8-10, the electrochemical treatment apparatus 6 includes an electrophoresis cell 61, electrode bar holders 62 and electrophoresis partition plates 63, the electrophoresis cell 61 is filled with electrophoresis liquid, the electrode bar holders 62 are slidably disposed on the left and right sides of the electrophoresis cell 61, the electrophoresis partition plates 63 are disposed on the inner sides of the electrode bar holders 62, electrode plates 65 are disposed on the bottom and two sides of the electrophoresis cell 61, and the electrode plates 65 on the bottom and the electrode plates 65 on the two sides are respectively connected to opposite electrodes.

As shown in fig. 11, the electrode holder 62 includes an electrode guard 621 and an electrode side plate 622, the electrode side plate 622 is fixed at the lower end of the outer side of the electrode guard 621, a plurality of electrode bars 6221 are disposed on the electrode side plate 622, the electrode guard 621 is slidably connected to the edge of the electrophoretic cell 61 via a pulley, so that the electrode bar 6221 at the left side of the electrophoretic cell 61 and the electrode bar 6221 at the right side move relatively and can contact each other, and the electrode bars 6221 at the two sides are respectively connected to the electrode plates 65 at the two sides of the electrophoretic cell 61.

As shown in fig. 11 and 12, the electrophoresis partition 63 has a plurality of insertion holes 631, the electrode rods 6221 pass through the insertion holes 631 and extend into the steel tube of the loading rack 23, and the electrophoresis partition has insertion holes to prevent leakage of the electrophoresis solution and also has a guiding function.

The working principle of the specific embodiment is as follows: the steel pipe enters the hopper 11, the steel pipe sorting rotating shaft 12 rotates, the clamping groove 121 rotates along with the rotation, the steel pipe rolls out from the narrow opening 112 to enter the clamping groove 121 and rotates along with the clamping groove 121 to sort the steel pipe onto the fixture block conveyor 13, when the steel pipe is conveyed to the position above the lifting AGV trolley 14, the lifting AGV trolley 14 ascends to transfer the steel pipe onto the fixture block 26 of the lifting AGV trolley 14, after the lifting AGV trolley 14 carries the steel pipe to enter the feeding platform 24, the fixture blocks 26 at the two ends of the lifting AGV trolley 14 correspond to the fixture blocks 26 of the material placing frame 25, the lifting AGV trolley 14 descends to enable the fixture blocks 26 at the two ends of the lifting AGV trolley 26 to be lower than the fixture blocks 26 of the material placing frame 25, therefore, the steel pipe is moved to the fixture blocks 26 of the material placing frame 25 by the lifting AGV trolley 14, the baffle 27 is arranged at the outer end of the material placing frame 25, the fixture blocks 28 are correspondingly arranged in the steel pipe, the steel pipe is fixed, and the feeding of the first layer material placing frame 25 of the feeding support 23 is completed, then the lifting AGV trolley 14 returns to the fixture block conveying belt 13 to continuously load the steel pipes, the feeding support 23 is driven by the lifting rope 7 to move upwards to enable the second layer material placing frame 25 to move to the position of the first layer material placing frame 25, then the lifting AGV trolley 14 continuously carries the steel pipes to the second layer material placing frame 25 to sequentially complete the stacking of the steel pipes of all the material placing frames 25, the lifting top plate 21 slides on the frame slide rail 22 to drive the feeding support 23 to enter the degreasing tank 3, after the degreasing is completed, the lifting top plate 21 drives the feeding support 23 to be placed on the spraying frame 42 below the spraying mechanism 4, the spraying frame 42 above the spraying mechanism is moved downwards to be right above the feeding support 23 through the lifting rope 7, the spraying plate 43 is moved to the front and the rear of the feeding support 23, the washing spraying plate 44 is moved to the left side and the right side of the feeding support 23 to surround the feeding support 23, and the spraying pipe is moved up and down by the spraying pipe 46 and the spraying nozzle 47, The front and back sides, the left and right sides spray and wash, the left side washes the slender nozzle 48 on the spray plate 44 to spray and wash the inside of the steel pipe, thereby realizing the omnibearing water washing of the steel pipe, after the water washing treatment, the hoisting roof 21 drives the feeding bracket 23 to enter the silane tank 5, after the silane is finished, the hoisting roof 21 drives the feeding bracket 23 to enter the spray mechanism 4 for water washing, after the water washing is finished, the hoisting roof 21 drives the feeding bracket 23 to enter the electrophoresis tank 61, and the feeding bracket 23 is placed on the electrode plate 65 at the bottom of the electrophoresis tank, the electrode plate 65 conducts electricity to the feeding bracket 23 and transmits the electricity to the steel pipe, the electric field is formed to react with the electrophoresis liquid, through electrodeposition, a layer film is generated and acts on the outer surface of the steel pipe, the electrode bars 621 at the two sides of the electrophoresis tank 61 slide relatively and are connected, so that the electrode bar 6221 at the left side of the electrophoresis tank 61 and the electrode bar 6221 at the right side move relatively and are connected in contact, and after the coating is finished, the hoisting top plate 21 drives the feeding support 23 to enter the spraying mechanism 4 for washing, namely the treatment of the steel pipe is finished.

The power source of the invention is provided by the driving mechanism which is a conventional driving mode in industrial production and is not described in detail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.