CN110900460A - Shot blasting treatment machine system and treatment method for inner wall and outer wall of steel pipe - Google Patents
Shot blasting treatment machine system and treatment method for inner wall and outer wall of steel pipe Download PDFInfo
- Publication number
- CN110900460A CN110900460A CN201911144847.6A CN201911144847A CN110900460A CN 110900460 A CN110900460 A CN 110900460A CN 201911144847 A CN201911144847 A CN 201911144847A CN 110900460 A CN110900460 A CN 110900460A
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- shot blasting
- steel pipe
- wall
- plate
- electric telescopic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
Abstract
The invention discloses a shot blasting machine system and a shot blasting method for inner and outer walls of a steel pipe, and relates to the technical field of steel pipes. The invention solves the problems that the inner wall and the outer wall of the steel pipe are usually derusted by adopting shot blasting machine equipment for independently derusting the inner wall and the outer wall of the steel pipe respectively, the derusting operation is performed on the inner wall and the outer wall of the steel pipe respectively, the derusting time is long, the efficiency is low, and most of the traditional steel pipe feeding mechanisms are fixedly arranged and can not convey the steel pipes with various specifications.
Description
Technical Field
The invention belongs to the technical field of steel pipes, and particularly relates to a shot blasting treatment machine system and a treatment method for inner and outer walls of a steel pipe.
Background
Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved.
The method is characterized in that the inner wall and the outer wall of the steel pipe are subjected to rust removal by a shot blasting method, and the rust removal method is a rust removal method which is preferred when the inner wall and the outer wall of the steel pipe are required to be subjected to rust removal before plastic coating, on one hand, the rust removal process by shot blasting cannot cause pollution to the environment, but the roughness of the surface of the steel pipe wall can be increased in the rust removal process by shot blasting to the inner wall and the outer wall of the steel pipe, so that the adhesive force. However, to remove rust on the inner and outer walls of the steel pipe, shot blasting machine equipment for removing rust on the inner and outer walls of the steel pipe respectively is required to be adopted, shot blasting operation is performed on the inner and outer walls of the steel pipe respectively, the inner wall rust removal process generally requires 40 minutes, the outer wall rust removal process also requires 40 minutes, the rust removal time is long, the efficiency is low, and most of traditional steel pipe feeding mechanisms are fixedly arranged, and the steel pipes with various specifications cannot be transported.
Disclosure of Invention
The invention aims to overcome the technical problems in the prior art, and provides a steel pipe inner and outer wall shot blasting machine system and a steel pipe inner and outer wall shot blasting machine processing method, so as to solve the problems that the inner and outer wall rust removal of the steel pipe in the background technology usually needs to adopt shot blasting machine equipment for independently removing rust on the inner and outer walls of the steel pipe respectively, the shot blasting operation is respectively carried out on the inner and outer walls of the steel pipe, the rust removal time is long, the efficiency is low, and most of traditional steel pipe feeding mechanisms are fixedly arranged and cannot transport steel pipes with various specifications.
In order to achieve the purpose, the invention provides the following technical scheme: a shot blasting treatment machine system for inner and outer walls of a steel pipe comprises a feeding mechanism, wherein a V-shaped plate is arranged on the left side of the feeding mechanism, and shot blasting mechanisms are respectively arranged at two ends of the V-shaped plate;
the shot blasting mechanism comprises a fixed seat, a plurality of electric cylinders are arranged at the top of the fixed seat, the top of each electric cylinder is fixedly connected with a first flat plate, a second chute is formed in the top of the first flat plate, a second sliding block is arranged in the second chute in a sliding manner, a second flat plate is fixedly arranged at the top of the second sliding block, a first rack is transversely arranged in the middle of the top end of the second flat plate, a vertical plate is arranged on one side of the top of the second flat plate, a servo motor is arranged on one side of the vertical plate away from the servo motor, the servo motor penetrates through the vertical plate and is fixedly connected with the rotating wheel, a second rack is annularly arranged on the peripheral side of the rotating wheel and is matched with the first rack, a shot blasting machine with the outer wall of a steel pipe is arranged at the top of the second flat plate, a third chute is formed in the left side of the top of, the top of the support rod is provided with a shot blasting machine for the inner wall of the steel pipe.
Preferably, feed mechanism includes two baffles, is provided with flexible platform between two baffles, and flexible platform includes left board and right board, first recess has all been seted up to left board and right board offside, be provided with the fly leaf between left board and the right board, the fly leaf activity sets up in first recess, all transversely be provided with the axis of rotation between left board and right board and the fly leaf, left board and right board all rotate with the axis of rotation and are connected, fixed cover is equipped with a plurality of runner in the axis of rotation, the fly leaf four corners is provided with first dog respectively, left board and right board offside all are provided with the second dog, and the second dog cooperatees with first dog.
Preferably, the included angle of the V-shaped plate is 120-160 degrees.
Preferably, the baffle slope sets up, the fixed branch that is provided with in baffle bottom both sides, every branch bottom is provided with the universal wheel respectively, all is provided with brake equipment on every universal wheel.
Preferably, the baffle inboard is provided with first spout, is provided with first slider in the first spout, first slider and first spout sliding fit, the left side is provided with first electric telescopic handle in the first spout, the flexible end of first electric telescopic handle and first slider fixed connection, one side that the baffle was kept away from to first slider is provided with the second recess, and second recess internal fixation is provided with electric telescopic baffle, and electric telescopic baffle sets up the top at flexible platform.
Preferably, the second rack, the rotating wheel and the first rack are all made of stainless steel.
Preferably, the cross sections of the second stop block and the first stop block are rectangular.
The invention also provides a shot blasting treatment machine system and a treatment method for the inner and outer walls of the steel pipe, which comprises the following steps:
step one, adjusting the length of the telescopic platform according to the length of the steel pipe, and fixing the universal wheel by a brake device;
step two, firstly extending the electric telescopic baffles, placing the steel pipes on the two electric telescopic baffles, then starting the first electric telescopic rod to shorten so that the first sliding block slides to the left side of the baffles, then shortening the electric telescopic baffles, sliding the steel pipes onto the V-shaped plates, extending the first electric telescopic rod to the original position, and extending the electric telescopic baffles to the original position to convey the next steel pipe;
inserting two ends of the steel pipe on two steel pipe outer wall shot blasting machines, extending the electric cylinder, starting a servo motor to drive a rotating wheel to rotate, enabling a second rack on the rotating wheel to rotate with a first rack, further driving two second plates to move relatively, carrying out rust removal and shot blasting on the outer wall of the steel pipe by the two steel pipe outer wall shot blasting machines, and reversely rotating the servo motor to the original position after the servo motor is set to rotate for a certain number of turns;
and step four, the third sliding block slides in the third sliding groove, the shot blasting machine for the inner wall of the steel pipe is started to be positioned on the right side of the third sliding groove, and the shot blasting machine for the inner wall of the steel pipe slowly slides to the left side when performing rust removal and shot blasting on the inner wall of the steel pipe.
Compared with the prior art, the invention provides a steel pipe inner and outer wall shot blasting machine system and a processing method, which have the following beneficial effects:
according to the invention, the feeding mechanism and the shot blasting mechanism are arranged, the length of the telescopic platform is adjusted according to the length of the steel pipe at the beginning, and the universal wheel is fixed by the brake device; extending the electric telescopic baffles, placing the steel pipes on the two electric telescopic baffles, starting the first electric telescopic rod to shorten to enable the first sliding block to slide to the left side of the baffles, then shortening the electric telescopic baffles, enabling the steel pipes to slide onto the V-shaped plates, extending the first electric telescopic rod to the original position, and extending the electric telescopic baffles to the original position to convey the next steel pipe; two ends of a steel pipe are inserted into two steel pipe outer wall shot blasting machines, then an electric cylinder is stretched, a servo motor is started to drive a rotating wheel to rotate, a second rack on the rotating wheel and a first rack rotate mutually, so that two second plates are driven to move relatively, the two steel pipe outer wall shot blasting machines perform rust removal and shot blasting on the outer wall of the steel pipe, and the servo motor is arranged to rotate to a certain number of turns and then reversely rotate to the original position; the third slider slides in the third spout, begins steel pipe inner wall shot-blasting machine to be located the third spout right side, and steel pipe inner wall shot-blasting machine slowly slides to the left side when carrying out the rust cleaning shot-blasting to the steel pipe inner wall, and steel pipe inner wall shot-blasting machine and steel pipe outer wall shot-blasting machine remove the rust to the steel pipe inside and outside wall simultaneously, save time, improve work efficiency.
The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural diagram of a top view of a shot blasting machine system for inner and outer walls of a steel pipe.
FIG. 2 is a schematic structural diagram of a feeding mechanism of a shot blasting machine system for inner and outer walls of a steel pipe, which is provided by the invention, viewed from above.
FIG. 3 is a schematic top view of a telescopic platform of a shot blasting machine system for inner and outer walls of a steel pipe, which is provided by the invention.
FIG. 4 is a schematic view of a connection structure of baffles and universal wheels of a shot blasting machine system for inner and outer walls of a steel pipe.
FIG. 5 is a schematic perspective view of a V-shaped plate of a shot blasting machine system for inner and outer walls of a steel pipe according to the invention.
FIG. 6 is a schematic left-view structural diagram of a shot blasting mechanism of a shot blasting machine system for inner and outer walls of a steel pipe, which is provided by the invention.
FIG. 7 is a schematic diagram of a vertical plate right-view structure of a shot blasting machine system for inner and outer walls of a steel pipe.
In the figure: 1. a left panel; 2. a right plate; 3. a movable plate; 4. a first groove; 5. a rotating wheel; 6. a rotating shaft; 7. a baffle plate; 8. a first electric telescopic rod; 9. a first slider; 10. an electric telescopic baffle; 11. a second groove; 12. a V-shaped plate; 13. a shot blasting machine for the outer wall of the steel pipe; 14. a fixed seat; 15. a first rack; 16. a second plate; 17. a second slider; 18. a second chute; 19. a third chute; 20. a third slider; 21. a support bar; 22. a servo motor; 23. a first stopper; 24. a second rack; 25. a vertical plate; 26. a rotating wheel; 27. a first plate; 28. a first chute; 29. an electric cylinder; 30. a second stopper; 31. a strut; 32. a universal wheel; 33. provided is a brake device.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a shot blasting treatment machine system for inner and outer walls of a steel pipe comprises a feeding mechanism, wherein a V-shaped plate 12 is arranged on the left side of the feeding mechanism, and shot blasting mechanisms are respectively arranged at two ends of the V-shaped plate 12;
the shot blasting mechanism comprises a fixed seat 14, a plurality of electric cylinders 29 are arranged at the top of the fixed seat 14, the top of each electric cylinder 29 is fixedly connected with a first flat plate 27, a second sliding groove 18 is formed in the top of the first flat plate 27, a second sliding block 17 is arranged in the second sliding groove 18 in a sliding manner, a second flat plate 16 is fixedly arranged at the top of the second sliding block 17, a first rack 15 is transversely arranged in the middle of the top end of the second flat plate 16, a vertical plate 25 is arranged on one side of the top of the second flat plate 16, a servo motor 22 is arranged on one side of the vertical plate 25, a rotating wheel 26 is arranged on one side of the vertical plate 25 away from the servo motor 22, the servo motor 22 penetrates through the vertical plate 25 and is fixedly connected with the rotating wheel 26, a second rack 24 is annularly arranged on the peripheral side of the rotating wheel 26, the second rack 24 is matched with the first rack 15, a shot blasting machine 13, the top of the third sliding block 20 is connected with a support rod 21, and the top of the support rod 21 is provided with a shot blasting machine 22 for the inner wall of the steel pipe.
Feed mechanism includes two baffles 7, be provided with flexible platform between two baffles 7, flexible platform includes left plate 1 and right board 2, first recess 4 has all been seted up to left plate 1 and 2 opposite sides of right board, be provided with fly leaf 3 between left plate 1 and right board 2, the activity of fly leaf 3 sets up in first recess 4, all transversely be provided with axis of rotation 6 between left plate 1 and right board 2 and fly leaf 3, left plate 1 and right board 2 all rotate with axis of rotation 6 to be connected, fixed cover is equipped with a plurality of runner 5 on the axis of rotation 6, 3 four corners of fly leaf are provided with first dog 23 respectively, left plate 1 and 2 opposite sides of right board all are provided with second dog 30, second dog 30 cooperatees with first dog 23.
The inboard of baffle 7 is provided with first spout 28, be provided with first slider 9 in the first spout 28, first slider 9 and first spout 28 sliding fit, the left side is provided with first electric telescopic handle 8 in the first spout 28, the flexible end of first electric telescopic handle 8 and first slider 9 fixed connection, one side that baffle 7 was kept away from to first slider 9 is provided with second recess 11, second recess 11 internal fixation is provided with electric telescopic baffle 10, electric telescopic baffle 10 sets up the top at flexible platform.
The invention also provides a shot blasting treatment machine system and a treatment method for the inner and outer walls of the steel pipe, which comprises the following steps:
step one, adjusting the length of the telescopic platform according to the length of the steel pipe, and fixing the universal wheel 32 by a brake device 33;
step two, firstly extending the electric telescopic baffles 10, placing the steel pipes on the two electric telescopic baffles 10, then starting the first electric telescopic rod 8 to shorten to enable the first sliding block 9 to slide to the left side of the baffle 7, then shortening the electric telescopic baffles 10, enabling the steel pipes to slide onto the V-shaped plates 12, extending the first electric telescopic rod 8 to the original position, and extending the electric telescopic baffles 10 to the original position to convey the next steel pipe;
thirdly, inserting two ends of the steel pipe on two steel pipe outer wall shot blasting machines 13, extending the electric cylinder 29 high, starting the servo motor 22 to drive the rotating wheel 26 to rotate, enabling the second rack 24 on the rotating wheel 26 to rotate with the first rack 15, further driving the two second plates 16 to move relatively, carrying out rust removal shot blasting on the outer wall of the steel pipe by the two steel pipe outer wall shot blasting machines 13, and setting the servo motor 22 to rotate to a certain number of turns and then reversely rotating to the original position;
and step four, the third slide block 20 slides in the third slide groove 19, the shot blasting machine 22 for the inner wall of the steel pipe is started to be positioned at the right side of the third slide groove 19, and the shot blasting machine 22 for the inner wall of the steel pipe slowly slides towards the left side when performing rust removal and shot blasting on the inner wall of the steel pipe.
According to the invention, the feeding mechanism and the shot blasting mechanism are arranged, the length of the telescopic platform is adjusted according to the length of the steel pipe at the beginning, and the universal wheel 32 is fixed by the brake device 33; extending the electric telescopic baffles 10, placing steel pipes on the two electric telescopic baffles 10, starting the first electric telescopic rod 8 to shorten to enable the first sliding block 9 to slide to the left side of the baffle 7, then shortening the electric telescopic baffles 10, enabling the steel pipes to slide onto the V-shaped plate 12, extending the first electric telescopic rod 8 to the original position, and extending the electric telescopic baffles 10 to the original position to convey the next steel pipe; two ends of the steel pipe are inserted into the two steel pipe outer wall shot blasting machines 13, then the electric cylinder 29 is extended high, the servo motor 22 is started to drive the rotating wheel 26 to rotate, the second rack 24 on the rotating wheel 26 and the first rack 15 rotate mutually, and then the two second plates 16 are driven to move relatively, the two steel pipe outer wall shot blasting machines 13 perform rust removal and shot blasting on the outer wall of the steel pipe, and the servo motor 22 is arranged to rotate to a certain number of turns and then reversely rotate to the original position; the third sliding block 20 slides in the third sliding groove 19, the shot blasting machine 22 for the inner wall of the steel pipe is started to be positioned on the right side of the third sliding groove 19, the shot blasting machine 22 for the inner wall of the steel pipe slowly slides towards the left side when performing rust removal and shot blasting on the inner wall of the steel pipe, and the shot blasting machine 22 for the inner wall of the steel pipe and the shot blasting machine 13 for the outer wall of the steel pipe simultaneously perform rust removal on the inner wall and the outer wall of. The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
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 (8)
1. A shot blasting treatment machine system for inner and outer walls of a steel pipe is characterized by comprising a feeding mechanism, wherein a V-shaped plate (12) is arranged on the left side of the feeding mechanism, and shot blasting mechanisms are respectively arranged at two ends of the V-shaped plate (12);
the shot blasting mechanism comprises a fixed seat (14), a plurality of electric cylinders (29) are arranged at the top of the fixed seat (14), the top of each electric cylinder (29) is fixedly connected with a first flat plate (27), a second sliding groove (18) is formed in the top of the first flat plate (27), a second sliding block (17) is arranged in the second sliding groove (18) in a sliding manner, a second flat plate (16) is fixedly arranged at the top of the second sliding block (17), a first rack (15) is transversely arranged in the middle of the top end of the second flat plate (16), a vertical plate (25) is arranged on one side of the top of the second flat plate (16), a servo motor (22) is arranged on one side of the vertical plate (25), a rotating wheel (26) is arranged on one side, far away from the servo motor (22), the servo motor (22) penetrates through the vertical plate (25) and is fixedly connected with the rotating wheel (26), and a, the second rack (24) is matched with the first rack (15), the top of the second flat plate (16) is provided with a shot blasting machine (13) for the outer wall of the steel pipe, the left side of the top of the second flat plate (16) is provided with a third sliding groove (19), a third sliding block (20) is arranged in the third sliding groove (19) in a sliding manner, the top of the third sliding block (20) is connected with a supporting rod (21), and the top of the supporting rod (21) is provided with a shot blasting machine (22) for the inner wall of the steel pipe.
2. The shot blasting machine system for inner and outer walls of steel pipes according to claim 1, which is characterized in that: the feeding mechanism comprises two baffles (7), a telescopic platform is arranged between the two baffles (7), the telescopic platform comprises a left plate (1) and a right plate (2), the opposite sides of the left plate (1) and the right plate (2) are both provided with a first groove (4), a movable plate (3) is arranged between the left plate (1) and the right plate (2), the movable plate (3) is movably arranged in the first groove (4), rotating shafts (6) are transversely arranged between the left plate (1), the right plate (2) and the movable plate (3), the left plate (1) and the right plate (2) are both rotationally connected with a rotating shaft (6), a plurality of rotating wheels (5) are fixedly sleeved on the rotating shaft (6), first stop blocks (23) are respectively arranged at four corners of the movable plate (3), and the opposite sides of the left plate (1) and the right plate (2) are respectively provided with a second stop block (30), and the second stop blocks (30) are matched with the first stop blocks (23).
3. The shot blasting machine system for inner and outer walls of steel pipes according to claim 1, which is characterized in that: the included angle of the V-shaped plate (12) is 120-160 degrees.
4. The shot blasting machine system for inner and outer walls of steel pipes according to claim 2, which is characterized in that: baffle (7) slope sets up, baffle (7) bottom both sides are fixed and are provided with branch (31), and every branch (31) bottom is provided with universal wheel (32) respectively, all is provided with brake equipment (33) on every universal wheel (32).
5. The shot blasting machine system for inner and outer walls of steel pipes according to claim 2, which is characterized in that: baffle (7) inboard is provided with first spout (28), is provided with first slider (9) in first spout (28), first slider (9) and first spout (28) sliding fit, the left side is provided with first electric telescopic handle (8) in first spout (28), the flexible end of first electric telescopic handle (8) and first slider (9) fixed connection, one side that baffle (7) were kept away from in first slider (9) is provided with second recess (11), and second recess (11) internal fixation is provided with electric telescopic baffle (10), and electric telescopic baffle (10) set up in the top of flexible platform.
6. The shot blasting machine system for inner and outer walls of steel pipes according to claim 1, which is characterized in that: the second rack (24), the rotating wheel (26) and the first rack (15) are all made of stainless steel materials.
7. The shot blasting machine system for inner and outer walls of steel pipes according to claim 6, wherein: the cross sections of the second stop block (30) and the first stop block (23) are rectangular.
8. The shot blasting machine system and the shot blasting method for the inner and outer walls of the steel pipe according to claims 1 to 7, wherein the shot blasting machine system comprises: the method comprises the following steps:
step one, adjusting the length of the telescopic platform according to the length of the steel pipe, and fixing a universal wheel (32) by a brake device (33);
step two, firstly extending the electric telescopic baffles (10), placing the steel pipes on the two electric telescopic baffles (10), then starting the first electric telescopic rod (8) to shorten to enable the first sliding block (9) to slide to the left side of the baffle (7), then shortening the electric telescopic baffles (10), enabling the steel pipes to slide onto the V-shaped plate (12), extending the first electric telescopic rod (8) to the original position, and extending the electric telescopic baffles (10) to the original position to convey the next steel pipe;
inserting two ends of a steel pipe on two steel pipe outer wall shot blasting machines (13), then extending an electric cylinder (29), starting a servo motor (22) to drive a rotating wheel (26) to rotate, enabling a second rack (24) on the rotating wheel (26) to rotate with a first rack (15) to drive two second plates (16) to move relatively, carrying out rust removal and shot blasting on the outer wall of the steel pipe by the two steel pipe outer wall shot blasting machines (13), and setting the servo motor (22) to rotate to a certain number of turns and then reversely rotate to the original position;
and fourthly, the third sliding block (20) slides in the third sliding chute (19), the shot blasting machine (22) for the inner wall of the steel pipe is started to be positioned at the right side of the third sliding chute (19), and the shot blasting machine (22) for the inner wall of the steel pipe slowly slides towards the left side when performing rust removal and shot blasting on the inner wall of the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144847.6A CN110900460A (en) | 2019-11-21 | 2019-11-21 | Shot blasting treatment machine system and treatment method for inner wall and outer wall of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144847.6A CN110900460A (en) | 2019-11-21 | 2019-11-21 | Shot blasting treatment machine system and treatment method for inner wall and outer wall of steel pipe |
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|---|---|
| CN110900460A true CN110900460A (en) | 2020-03-24 |
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|---|---|---|---|
| CN201911144847.6A Pending CN110900460A (en) | 2019-11-21 | 2019-11-21 | Shot blasting treatment machine system and treatment method for inner wall and outer wall of steel pipe |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015126406A1 (en) * | 2014-02-20 | 2015-08-27 | Cadillac Coating Company, Llc | Pipe cleaning apparatus |
| CN205237841U (en) * | 2015-11-12 | 2016-05-18 | 杨华杰 | Ball handler system is thrown to steel pipe inside and outside wall |
| CN109352438A (en) * | 2018-09-05 | 2019-02-19 | 杭州游闻网络科技有限公司 | A kind of port of steel pipe grinding device |
| CN208528812U (en) * | 2018-06-25 | 2019-02-22 | 深圳市松堡王国家居有限公司 | A kind of loading bay of sander |
-
2019
- 2019-11-21 CN CN201911144847.6A patent/CN110900460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015126406A1 (en) * | 2014-02-20 | 2015-08-27 | Cadillac Coating Company, Llc | Pipe cleaning apparatus |
| CN205237841U (en) * | 2015-11-12 | 2016-05-18 | 杨华杰 | Ball handler system is thrown to steel pipe inside and outside wall |
| CN208528812U (en) * | 2018-06-25 | 2019-02-22 | 深圳市松堡王国家居有限公司 | A kind of loading bay of sander |
| CN109352438A (en) * | 2018-09-05 | 2019-02-19 | 杭州游闻网络科技有限公司 | A kind of port of steel pipe grinding device |
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Application publication date: 20200324 |