CN114686903B - Seamless steel pipe surface acid treatment device - Google Patents
Seamless steel pipe surface acid treatment device Download PDFInfo
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- CN114686903B CN114686903B CN202210404689.9A CN202210404689A CN114686903B CN 114686903 B CN114686903 B CN 114686903B CN 202210404689 A CN202210404689 A CN 202210404689A CN 114686903 B CN114686903 B CN 114686903B
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- pickling
- pipe
- seamless steel
- steel pipe
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 238000010306 acid treatment Methods 0.000 title claims abstract description 14
- 238000005554 pickling Methods 0.000 claims abstract description 154
- 239000007921 spray Substances 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 22
- 238000004064 recycling Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 210000001161 mammalian embryo Anatomy 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a surface acid treatment device for a seamless steel tube, and relates to the technical field of seamless steel tube pickling. The device comprises a pickling tank, one side of the pickling tank is provided with a steel pipe conveying port, the other side of the pickling tank is rotationally connected with a connecting shaft, one end of the connecting shaft is provided with a movable clamping mechanism, the other end of the connecting shaft is provided with a driving mechanism, the top of the pickling tank is fixedly connected with a feeding pipe, one end of the feeding pipe is connected with a spraying assembly, and one side outer wall of the pickling tank is fixedly connected with a movable supporting assembly. Can drive the connecting axle through actuating mechanism and rotate, and then can make movable fixture rotate, drive seamless steel pipe and rotate, be convenient for carry out the pickling to the seamless steel pipe that rotates, solved among the prior art pipe embryo and simply added the pickling tank in, the pickling solution can form the membrane of one deck influence pickling at the pipe embryo surface and lead to the poor problem of pickling effect.
Description
Technical Field
The invention relates to the technical field of seamless steel tube pickling, in particular to a seamless steel tube surface acid treatment device.
Background
The seamless steel pipe is formed by perforating a whole round steel, and the steel pipe with no weld seam on the surface is called as a seamless steel pipe. The seamless steel pipe may be classified into a hot rolled seamless steel pipe, a cold drawn seamless steel pipe, an extruded seamless steel pipe, a push pipe, etc., according to the production method. The seamless steel pipe is divided into two types of round and special-shaped steel pipes according to the sectional shape, and the special-shaped steel pipe is in various complex shapes such as square, elliptic, triangular, hexagonal, melon seed-shaped, star-shaped and finned pipes. The maximum diameter reaches 900mm, and the minimum diameter is 4mm. There are thick-walled seamless steel pipes and thin-walled seamless steel pipes, depending on the application. The seamless steel pipe is mainly used as a petroleum geological drilling pipe, a cracking pipe for petrochemical industry, a boiler pipe, a bearing pipe and a high-precision structural steel pipe for automobiles, tractors and aviation. In the production process of the seamless steel pipe, the surface of the seamless steel pipe needs to be pickled, on the one hand, in order to make the surface smooth, and on the other hand, in order to avoid the surface oxidation.
The existing pickling process is characterized in that a pipe blank is lifted by a manually controlled lifting machine, the pipe blank is placed into a pickling tank with pickling solution in the pipe blank to be pickled by the manually controlled lifting machine, the pipe blank is simply added into the pickling tank, a layer of film affecting pickling is formed on the surface of the pipe blank by the pickling solution, the pickling effect is poor, and the pickling process has the problems of poor pickling effect and low pickling efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a seamless steel tube surface acid treatment device, which solves the problem that the pickling effect is poor due to the fact that a layer of film affecting pickling is formed on the surface of a tube blank by pickling solution when the tube blank is simply added into a pickling tank.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a seamless steel pipe surface acid processing apparatus, includes the pickling case, one side of pickling case is provided with the steel pipe transportation mouth, the opposite side of pickling case rotates and is connected with the connecting axle, the one end of connecting axle is provided with movable fixture, the other end of connecting axle is provided with actuating mechanism, the top fixedly connected with inlet pipe of pickling case, the one end of inlet pipe is connected with sprays the subassembly, fixedly connected with movable support subassembly on the outer wall of one side of pickling case.
Preferably, the movable clamping mechanism is located inside the pickling tank, the driving mechanism is located outside the pickling tank, and one end of the feeding pipe penetrates through the pickling tank and extends to the inside of the pickling tank.
Preferably, the movable clamping mechanism comprises a mounting disc, a hinge shaft, springs and clamping pieces, wherein the middle part of the mounting disc is fixedly connected with one end of a connecting shaft, a plurality of springs are fixedly connected with one side edge of the mounting disc, one end of each spring is fixedly connected with each clamping piece, one side of each clamping piece is rotatably connected with one side of the mounting disc through the hinge shaft, a bearing is arranged in the middle of the connecting shaft, and the outer side of each bearing is fixedly connected with the side wall of the pickling tank.
Preferably, the driving mechanism comprises a first motor, belt wheels and a belt, wherein the outer side of the first motor is fixedly connected to the outer wall of the pickling tank, the belt wheels are fixedly connected to the output end of the first motor and the other end of the connecting shaft, and the two belt wheels are connected through the belt.
Preferably, the movable supporting component comprises a second motor, a supporting plate, a supporting arm, a supporting shaft, a supporting roller and a limiting plate, one end of the supporting plate is fixedly connected to the outer wall of one side of the pickling tank, one side of the supporting plate is fixedly connected with the second motor, the output end of the second motor penetrates through the supporting plate and is connected with the supporting arm in an extending mode, one side of the bottom end of the supporting arm is fixedly connected with the limiting plate, the supporting shaft is fixedly connected to the inner side of the bottom end of the supporting arm, and one end outer side of the supporting shaft is rotationally connected with the supporting roller.
Preferably, the outer wall of the feeding pipe is provided with a switch valve, the bottom of the pickling tank is fixedly connected with a discharge hopper, the bottom of the discharge hopper is fixedly connected with the top of the discharge pipe, the bottom of the discharge pipe is provided with a three-way valve, the bottom of the three-way valve is provided with a pickling solution recovery mechanism, the top of the pickling solution recovery mechanism is connected to one side of the feeding pipe, and the pickling solution recovery mechanism is used for conveying pickling solution discharged from the bottom of the three-way valve into the feeding pipe.
Preferably, the pickling solution recycling mechanism comprises a booster pump and a recycling pipe, one end of the recycling pipe is fixedly connected to the bottom of the three-way valve, the other end of the recycling pipe is fixedly connected to one side of the feeding pipe, and the connecting end of the recycling pipe and the feeding pipe is located between the switching valve and the pickling tank.
Preferably, the spray assembly comprises a spray pipeline and a pipe clamp, wherein the middle part of the spray pipeline is fixedly connected with one end of a feeding pipe, the outer side of the spray pipeline is connected with the inner top wall of the pickling tank through the pipe clamp, and a plurality of spray heads are arranged at the bottom of the spray pipeline.
Preferably, the inside of steel pipe transportation mouth is provided with the protection curtain, the protection curtain includes a plurality of closely connected rubber sheets, the rubber sheet is annular distribution.
Preferably, a plurality of conveying rollers are connected in the lower portion of the pickling tank in a rotating mode, one end of each conveying roller penetrates through the pickling tank and is fixedly connected to the output end of the third motor, and the outer side of the third motor is fixedly connected to the rear side wall of the pickling tank.
Working principle: when the seamless steel pipe is inserted into the center of the mounting plate, the end part of the seamless steel pipe can be extruded to one end of the clamping piece, the clamping piece can rotate around the hinge shaft when being extruded under force, the outer surface of the seamless steel pipe is clamped through the other end of the clamping piece, when the seamless steel pipe leaves from the mounting plate, the spring can open the clamping piece, an opening is formed conveniently to insert the seamless steel pipe, the movable clamping mechanism can clamp the seamless steel pipe, the seamless steel pipe is automatically loosened after being pulled out, a belt is connected between two belt wheels, the first motor can drive the connecting shaft to rotate so as to drive the movable clamping mechanism to rotate, the second motor can support the arm to rotate so as to enable the supporting roller to be inserted into the other end of the seamless steel pipe, the movable supporting component is used for limiting the other end of the seamless steel pipe, the seamless steel pipe cleaning machine is convenient for a driving mechanism to drive a seamless steel pipe to rotate, a switching valve is opened, a certain amount of pickling solution is added into a pickling tank through a feeding pipe, then the switching valve is closed, a three-way valve is regulated, the pickling solution flows into a recovery pipe through the three-way valve, a pressurizing pump can pump the pickling solution in the recovery pipe into the feeding pipe, the feeding pipe can add the pickling solution into a spraying pipeline, the pickling solution can be sprayed to the seamless steel pipe through a plurality of spray heads at the bottom of the spraying pipeline for pickling, after a certain period of pickling, the pressurizing pump is closed, the pickling solution spraying is stopped, a first motor is kept to continue to operate, the movable clamping mechanism can continuously clamp and drive the seamless steel pipe to rotate, the pickling solution on the surface of the seamless steel pipe is separated from the seamless steel pipe, and the purpose of residual pickling solution on the surface of the seamless steel pipe after pickling is separated and removed is achieved.
The invention provides a surface acid treatment device for a seamless steel tube. The beneficial effects are as follows:
1. according to the invention, the connecting shaft can be driven to rotate through the driving mechanism, so that the movable clamping mechanism can rotate, one side of the movable clamping mechanism can clamp one end of the seamless steel pipe, the movable supporting component is used for limiting the other end of the seamless steel pipe, and further drives the seamless steel pipe to rotate, the top of the pickling tank is fixedly connected with the feeding pipe, one end of the feeding pipe is connected with the spraying component, pickling solution can be added into the pickling tank through the feeding pipe, the spraying component is used for spraying pickling solution into the pickling tank, pickling is conveniently carried out on the rotating seamless steel pipe, and the problem that a layer of film affecting pickling is formed on the surface of a pipe blank to cause poor pickling effect in the prior art is solved.
2. According to the invention, the pickling liquid in the recovery pipe can be pumped into the feeding pipe through the pressure pump, the feeding pipe provides the pickling liquid for the spraying assembly to spray, so that the seamless steel pipe can be pickled conveniently, after pickling for a certain time, the pressure pump is closed, the pickling liquid spraying is stopped, the first motor is kept to continue to operate, the movable clamping mechanism can continuously clamp and drive the seamless steel pipe to rotate, the pickling liquid on the surface of the seamless steel pipe can be separated from the seamless steel pipe, and the purpose of separating and removing the pickling liquid remained on the surface of the seamless steel pipe after pickling is achieved.
Drawings
FIG. 1 is a schematic diagram of the external structure of a pickling tank according to the invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram of a driving mechanism according to the present invention;
FIG. 4 is a schematic view of a movable clamping mechanism according to the present invention;
FIG. 5 is a schematic diagram of the internal structure of the pickling tank;
FIG. 6 is a schematic view of a movable support assembly according to the present invention;
fig. 7 is a schematic view of a protective curtain according to the present invention.
Wherein, 1, a pickling tank; 2. a feed pipe; 3. a switch valve; 4. a three-way valve; 5. a pressurizing pump; 6. a recovery pipe; 7. a pickling solution recovery mechanism; 8. a driving mechanism; 9. a connecting shaft; 10. a movable support assembly; 11. a discharge hopper; 12. a first motor; 13. a belt wheel; 14. a belt; 15. a movable clamping mechanism; 16. a mounting plate; 17. a hinge shaft; 18. a spring; 19. a clamping member; 20. a discharge pipe; 21. a steel pipe transportation port; 22. a spray head; 23. a pipe clamp; 24. a spray pipe; 25. a second motor; 26. a support plate; 27. a support arm; 28. a support shaft; 29. a support roller; 30. a limiting plate; 31. a rubber sheet; 32. and a conveying roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-7, the embodiment of the invention provides a seamless steel pipe surface acid treatment device, including a pickling tank 1, the pickling tank 1 is a closed tank body, and one side of the pickling tank 1 is provided with a steel pipe transportation port 21, the steel pipe transportation port 21 is utilized as a channel for taking and placing the seamless steel pipe, the other side of the pickling tank 1 is rotationally connected with a connecting shaft 9, one end of the connecting shaft 9 is provided with a movable clamping mechanism 15, the other end of the connecting shaft 9 is provided with a driving mechanism 8, a movable supporting component 10 is fixedly connected to the outer wall of one side of the pickling tank 1, the driving mechanism 8 can drive the connecting shaft 9 to rotate, the movable clamping mechanism 15 can be further rotated, one side of the movable clamping mechanism 15 can clamp one end of the seamless steel pipe, the movable supporting component 10 is used for stabilizing the other end of the seamless steel pipe, the seamless steel pipe is further driven to rotate, the top of the pickling tank 1 is fixedly connected with a feeding pipe 2, one end of the feeding pipe 2 is connected with a spraying component, the pickling solution can be added into the pickling tank 1 through the feeding pipe 2, the pickling solution is used for spraying the pickling solution into the pickling tank 1, the seamless steel pipe is convenient to rotate, the problem that the effect of the pickling tank is poor in the surface can be easily solved, and the problem that the conventional pickling solution is affected by the film is formed.
Referring to fig. 1 and 5, the movable clamping mechanism 15 is located inside the pickling tank 1, the driving mechanism 8 is located outside the pickling tank 1, and one end of the feed pipe 2 penetrates the pickling tank 1 and extends to the inside of the pickling tank 1.
Referring to fig. 3 and 4, the movable clamping mechanism 15 includes a mounting plate 16, a hinge 17, a spring 18, and a clamping member 19, the middle part of the mounting plate 16 is fixedly connected to one end of the connecting shaft 9, a plurality of springs 18 are fixedly connected to one side edge of the mounting plate 16, one end of the spring 18 is fixedly connected to the clamping member 19, one side of the clamping member 19 is rotatably connected to one side of the mounting plate 16 through the hinge 17, a bearing is arranged in the middle part of the connecting shaft 9, and the outer side of the bearing is fixedly connected to the side wall of the pickling tank 1, when the seamless steel pipe is inserted into the central position of the mounting plate 16, the end part of the seamless steel pipe can be extruded to one end of the clamping member 19, when the seamless steel pipe is extruded under stress, the clamping member 19 can rotate around the hinge 17, and then the outer surface of the seamless steel pipe is clamped through the other end of the clamping member 19, when the seamless steel pipe leaves from the position of the mounting plate 16, the spring 18 can open the clamping member 19, so that an opening is formed to insert the seamless steel pipe, the movable clamping mechanism 15 can clamp the seamless steel pipe, and the seamless steel pipe has an automatic loosening function after being pulled out. In some embodiments, the shape of the clamping member 19 is U-shaped as a whole, one end of the clamping member 19 is arc-shaped, so that the seamless steel pipe can be clamped conveniently, the other end of the clamping member 19 is triangular, so that the seamless steel pipe can be pressed by the clamping member 19 to enable the clamping member 19 to rotate, three or four clamping members 19 are arranged in total, the clamping members 19 are uniformly distributed on one side of the mounting plate 16, and an anti-slip structure, such as an anti-slip sleeve, an anti-slip pattern, an anti-slip rubber bump and the like, is arranged at one end of the clamping member 19 far away from the mounting plate 16, so that the seamless steel pipe can be clamped conveniently.
Referring to fig. 4 and 5, actuating mechanism 8 includes first motor 12, band pulley 13, belt 14, the outside fixed connection of first motor 12 is on the outer wall of pickling tank 1, the output of first motor 12 and the equal fixedly connected with band pulley 13 of the other end of connecting axle 9, connect through belt 14 between two band pulleys 13, connect belt 14 through two band pulleys 13, utilize belt 14 transmission, first motor 12 can drive connecting axle 9 rotation, effectively avoid the axial impact of connecting axle 9, protect first motor 12, realize that actuating mechanism 8 can drive connecting axle 9 rotation, and then drive movable fixture 15 rotation, one side of movable fixture 15 can clip the one end of seamless steel pipe, and then make the seamless steel pipe rotate conveniently, improve the pickling effect.
Referring to fig. 5 and 6, the movable supporting assembly 10 includes a second motor 25, a supporting plate 26, a supporting arm 27, a supporting shaft 28, a supporting roller 29 and a limiting plate 30, one end fixed connection of the supporting plate 26 is on the outer wall of one side of the pickling tank 1, one side fixedly connected with the second motor 25 of the supporting plate 26, the output end of the second motor 25 runs through the supporting plate 26 and extends to be connected with the supporting arm 27, one side of the bottom end of the supporting arm 27 is fixedly connected with the limiting plate 30, the bottom end of the supporting arm 27 is fixedly connected with the supporting shaft 28, one end outside of the supporting shaft 28 is rotatably connected with the supporting roller 29, one end of the supporting roller 29 is provided with a conical head, the limiting plate 30 can abut against a seamless steel pipe, the supporting roller 29 can be inserted into one end of the seamless steel pipe, the limiting plate 30 and the supporting roller 29 can play a limiting role, the seamless steel pipe can rotate conveniently, and the conical head can be conveniently inserted into the end of the seamless steel pipe, referring to fig. 5, the arc dotted line in the figure is the motion track of one end of the conical head, the rectangular dotted line frame in the figure shows the seamless steel pipe, insert the seamless steel pipe into the transport port 21, one end of the seamless steel pipe into the movable clamping mechanism 15, the other end of the seamless steel pipe can be driven by the movable clamping mechanism 10, the other end can be driven by the seamless steel pipe, the seamless steel pipe can be driven by the seamless steel pipe, the other end can be driven by the seamless steel pipe, and the supporting roller 10 can be driven by the seamless steel pipe, and the seamless steel pipe can be driven by the seamless steel pipe, and the other end can be driven by the seamless steel pipe, and the seamless steel pipe can be further, and the seamless steel support and can be driven by further, and the seamless steel and can be further, and the by further, and the seamless steel and 10.
Referring to fig. 1 and 5, a switch valve 3 is disposed on the outer wall of the feed pipe 2, the switch valve 3 is used for controlling the switch of the feed pipe 2, and further controlling whether to add pickling solution into the pickling tank 1, in one embodiment, the switch valve 3 adopts an electric valve, so that operation and control are facilitated, a discharge hopper 11 is fixedly connected to the bottom of the pickling tank 1, the bottom of the discharge hopper 11 is fixedly connected to the top of the discharge pipe 20, the discharge hopper 11 is convenient for pickling solution to flow into the discharge pipe 20, a three-way valve 4 is disposed at the bottom of the discharge pipe 20, the three-way valve 4 is in a one-in two-out structure, a pickling solution recovery mechanism 7 is disposed at the bottom of the three-way valve 4, so that the pickling solution discharged into the pickling solution recovery mechanism 7 can be recycled after being refluxed, meanwhile, the top of the pickling solution recovery mechanism 7 is connected to one side of the feed pipe 2, and the pickling solution recovery mechanism 7 is used for conveying the pickling solution discharged from the bottom of the three-way valve 4 into the feed pipe 2, so that the pickling solution can be conveniently recycled for pickling the surface of the seamless steel pipe.
Referring to fig. 2, the pickling solution recovery mechanism 7 includes a booster pump 5 and a recovery pipe 6, one end of the recovery pipe 6 is fixedly connected to the bottom of the three-way valve 4, the other end of the recovery pipe 6 is fixedly connected to one side of the feed pipe 2, the connection end of the recovery pipe 6 and the feed pipe 2 is located between the switch valve 3 and the pickling tank 1, since the connection position of the recovery pipe 6 and the feed pipe 2 is located between the switch valve 3 and the pickling tank 1, the pickling solution discharged by the recovery pipe 6 can flow into the spraying assembly through the feed pipe 2, the switch valve 3 can play a blocking role, the switch valve 3 is opened, a certain amount of pickling solution is added into the pickling tank 1 through the feed pipe 2, then the switch valve 3 is closed, the three-way valve 4 is adjusted, so that the pickling solution flows into the recovery pipe 6 through the three-way valve 4, the pump 5 can pump the pickling solution in the feed pipe 2, the spraying assembly is sprayed with the pickling solution, the seamless steel pipe is convenient to perform pickling, after a certain time of pickling, the booster pump 5 is closed, the pickling solution is stopped, the first motor 12 is kept running, the movable clamping mechanism 15 is enabled to continuously clamp and drive the seamless steel pipe, and the seamless surface can be separated from the seamless surface, and the seamless surface can be removed.
Referring to fig. 5, the spray assembly includes a spray pipe 24 and a pipe clamp 23, the middle part of the spray pipe 24 is fixedly connected to one end of the feed pipe 2, the outer side of the spray pipe 24 is connected to the inner top wall of the pickling tank 1 through the pipe clamp 23, a plurality of spray heads 22 are arranged at the bottom of the spray pipe 24, pickling liquid can be added into the spray pipe 24 through the feed pipe 2, and pickling liquid can be sprayed to the seamless steel pipe through the spray heads 22 at the bottom of the spray pipe 24 for pickling.
Referring to fig. 5 and 7, the inside of the steel pipe transportation port 21 is provided with a protection curtain comprising a plurality of closely connected rubber sheets 31, the rubber sheets 31 are distributed in a ring shape, and the protection curtain composed of the plurality of rubber sheets 31 can prevent the pickling solution from splashing at the steel pipe transportation port 21.
Referring to fig. 5, a plurality of conveying rollers 32 are rotatably connected to the lower portion of the pickling tank 1, the conveying rollers 32 are distributed in the pickling tank 1, and the conveying rollers 32 correspond to the movable clamping mechanism 15, so that a seamless steel pipe can be supported, meanwhile, the seamless steel pipe can be smoothly inserted into the clamping piece 19 of the movable clamping mechanism 15, one end of the conveying roller 32 penetrates through the pickling tank 1 and is fixedly connected to the output end of a third motor, the outer side of the third motor is fixedly connected to the rear side wall of the pickling tank 1, the conveying rollers 32 can be driven to rotate through the third motor, and further the seamless steel pipe can be conveniently moved, so that the purposes of time saving and labor saving are achieved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a seamless steel pipe surface acid processing apparatus, includes sour washing case (1), its characterized in that: one side of pickling case (1) is provided with steel pipe transportation mouth (21), the opposite side of pickling case (1) rotates and is connected with connecting axle (9), the one end of connecting axle (9) is provided with movable fixture (15), the other end of connecting axle (9) is provided with actuating mechanism (8), the top fixedly connected with inlet pipe (2) of pickling case (1), the one end of inlet pipe (2) is connected with spray assembly, fixedly connected with movable supporting component (10) on the outer wall of one side of pickling case (1), movable supporting component (10) include second motor (25), backup pad (26), support arm (27), back shaft (28), back roll (29) and limiting plate (30), the one end fixedly connected with of backup pad (26) is on the outer wall of one side of pickling case (1), one side fixedly connected with second motor (25) of backup pad (25), the output of second motor (25) runs through backup pad (26) and extends and is connected with support arm (27), one side fixedly connected with bottom of backup pad (27) has back plate (30), the bottom of backup pad (28) is connected with back roll (28) outside rotation of back shaft (28), the lower part internal rotation of pickling case (1) is connected with a plurality of conveying rollers (32), the one end of conveying roller (32) runs through pickling case (1) and fixed connection is at the output of third motor, the outside fixed connection of third motor is on the back lateral wall of pickling case (1).
2. A seamless steel pipe surface acid treatment apparatus according to claim 1, wherein: the movable clamping mechanism (15) is located inside the pickling tank (1), the driving mechanism (8) is located outside the pickling tank (1), and one end of the feeding pipe (2) penetrates through the pickling tank (1) and extends to the inside of the pickling tank (1).
3. A seamless steel pipe surface acid treatment apparatus according to claim 1, wherein: the movable clamping mechanism (15) comprises a mounting disc (16), a hinge shaft (17), springs (18) and clamping pieces (19), wherein the middle part of the mounting disc (16) is fixedly connected with one end of a connecting shaft (9), one side edge of the mounting disc (16) is fixedly connected with a plurality of springs (18), one end of each spring (18) is fixedly connected with the clamping pieces (19), one side of each clamping piece (19) is rotatably connected with one side of the mounting disc (16) through the hinge shaft (17), a bearing is arranged in the middle of the connecting shaft (9), and the outer side of the bearing is fixedly connected with the side wall of the pickling tank (1).
4. A seamless steel pipe surface acid treatment apparatus according to claim 3, wherein: the driving mechanism (8) comprises a first motor (12), belt wheels (13) and a belt (14), wherein the outer side of the first motor (12) is fixedly connected to the outer wall of the pickling tank (1), the belt wheels (13) are fixedly connected to the output end of the first motor (12) and the other end of the connecting shaft (9), and the two belt wheels (13) are connected through the belt (14).
5. A seamless steel pipe surface acid treatment apparatus according to claim 1, wherein: be provided with ooff valve (3) on the outer wall of inlet pipe (2), the bottom fixedly connected with of pickling case (1) arranges hopper (11), the bottom fixedly connected of arranging hopper (11) is at the top of arranging material pipe (20), the bottom of arranging material pipe (20) is provided with three-way valve (4), the bottom of three-way valve (4) is provided with pickling solution recovery mechanism (7), the top of pickling solution recovery mechanism (7) is connected in one side of inlet pipe (2).
6. A seamless steel pipe surface acid treatment apparatus according to claim 5, wherein: the pickling solution recycling mechanism (7) comprises a pressurizing pump (5) and a recycling pipe (6), one end of the recycling pipe (6) is fixedly connected to the bottom of the three-way valve (4), the other end of the recycling pipe (6) is fixedly connected to one side of the feeding pipe (2), and the connecting end of the recycling pipe (6) and the feeding pipe (2) is located between the switch valve (3) and the pickling tank (1).
7. A seamless steel pipe surface acid treatment apparatus according to claim 1, wherein: the spray assembly comprises a spray pipeline (24) and a pipe clamp (23), wherein the middle part of the spray pipeline (24) is fixedly connected to one end of the feed pipe (2), the outer side of the spray pipeline (24) is connected to the inner top wall of the pickling tank (1) through the pipe clamp (23), and a plurality of spray heads (22) are arranged at the bottom of the spray pipeline (24).
8. A seamless steel pipe surface acid treatment apparatus according to claim 1, wherein: the inside of steel pipe transportation mouth (21) is provided with the protection curtain, the protection curtain includes a plurality of closely connected rubber sheet (31), rubber sheet (31) are annular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116145151B (en) * | 2023-03-15 | 2023-09-26 | 河北恒泰管道装备制造有限公司 | Pipe fitting pickling processor |
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