CN112171518A - Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe - Google Patents
Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe Download PDFInfo
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- CN112171518A CN112171518A CN202011060383.3A CN202011060383A CN112171518A CN 112171518 A CN112171518 A CN 112171518A CN 202011060383 A CN202011060383 A CN 202011060383A CN 112171518 A CN112171518 A CN 112171518A
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- shot
- shot blasting
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- steel
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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
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
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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
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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
- B24C9/006—Treatment of used abrasive material
Abstract
The invention discloses a large-caliber steel pipe movable type internal and external shot blasting and rust removing device which comprises an inner wall force arm and two parallel and correspondingly arranged axial guide rails, wherein a conveying trolley is arranged between the two axial guide rails, two autorotation mechanisms are arranged on the conveying trolley, a steel pipe is arranged between the two autorotation mechanisms, each autorotation mechanism comprises two vertical plates, a rotating shaft, a round wheel and an autorotation motor, the rotating shaft is rotatably arranged between the two vertical plates, and the round wheel is arranged on the rotating shaft. The automatic steel pipe polishing device can simultaneously remove rust on the inner wall and the outer wall of a large-diameter steel pipe, is high in rust removal efficiency, can effectively collect steel scraps after shot blasting and rust removal, avoids the situation that a filter screen is blocked to influence the steel shots to enter a shot hopper again, does not need to move the positions of the first shot blasting mechanism and the second shot blasting mechanism, can efficiently and comprehensively polish the inner surface and the outer surface of the steel pipe by driving the steel pipe to rotate and translate, and is high in automation degree.
Description
Technical Field
The invention relates to the technical field of steel pipe rust removal, in particular to a large-diameter steel pipe movable type internal and external shot blasting rust removal device.
Background
The welding quality is the key of the quality control of the longitudinal submerged arc welded pipe. In order to ensure that the welding quality is qualified, in addition to strict requirements on welding equipment and a welding process, the cleanliness of a welding seam groove is also an important factor for controlling the welding quality, particularly an inner welding seam of a straight-seam large-caliber steel pipe. The scale skin, the floating rust and the like which fall off in the forming and pressing process of the steel pipe are easy to remain in the groove of the inner welding seam, and if the inner welding seam is not cleaned in time before welding, the defects of slag inclusion, air holes and the like are easy to cause, the qualification rate of the welding seam quality is reduced, if unqualified large-diameter steel pipes flow into the market, and great potential safety hazards exist in practical application. Therefore, a process of thoroughly removing impurities such as scale and rust from the inner wall of the large-diameter steel pipe before welding the inner weld is important.
Patent document (201810230611.3) discloses a dust and rust removing device for the inner wall of a large-diameter steel pipe, wherein a power mechanism of the device is matched with a connecting piece, so that the problem of deflection deformation caused by overlong connecting piece is avoided; the dust removal and rust removal mechanism rotates in the circumferential direction of the inner wall of the large-diameter steel pipe, impurities such as scale and rust left in a weld seam slope of the large-diameter steel pipe and falling off are thoroughly removed, and the purpose of meeting the quality control requirement of a weld seam welding process is achieved. When present shot blasting equipment rebounded simultaneously at shot and steel filing and collected, the steel filing can be collected on the filter screen, and the shot blasting treatment can be carried out to the hole continuation whereabouts that the steel shot can pass through the filter screen simultaneously, and the long-term steel filing collection on filter screen surface can lead to the hole on filter screen surface to block to the steel shot that leads to after kick-backing can't in time fall and carry out subsequent shot blasting treatment.
Disclosure of Invention
The invention aims to provide a movable inner and outer shot blasting and rust removing device for a large-caliber steel pipe, which solves the following technical problems: (1) the conveying trolley is pushed towards the force arm direction of the inner wall, the conveying trolley drives the steel pipe to move towards the force arm direction of the inner wall, the second shot blasting mechanism on the support enters the inner cavity of the steel pipe, the translation trolley is pushed towards the direction of the steel pipe, the translation trolley drives the first shot blasting mechanism to move towards the direction of the steel pipe through the rectangular frame, and through the structural arrangement, the movable inner and outer shot blasting rust removing equipment for the large-caliber steel pipe meets the simultaneous rust removal of the inner wall and the outer wall of the large-caliber steel pipe, and is; (2) by starting the two shot blasting motors, the steel shots in the shot hopper enter the impact bin through the shot outlet pipe, the output shaft of the shot blasting motor drives the shot blasting shaft to rotate, the shot blasting shaft drives the blasting head to rotate, the blasting head jets the steel shots in the impact bin at a high speed, the blasting head of the first shot blasting mechanism jets the steel shots on the outer surface of the steel pipe, the blasting head of the second shot blasting mechanism jets the steel shots on the inner surface of the steel pipe, the inner surface and the outer surface of the steel pipe are simultaneously blasted, the first fan motor is started, the output shaft of the first fan motor drives the first negative pressure fan to rotate, the steel shots and steel scraps generated in the shot blasting process are rebounded to the impact bin by the negative pressure adsorption force of the first negative pressure fan and the self rebounding force, the rebounded steel shots and steel scraps enter the connecting pipe through the rebounding pipe and enter the separation bin through the rebounding bin and the shot returning pipe, the steel scraps are attached to the surface of, after rust removal, a fan motor II is started, an output shaft of the fan motor II drives a negative pressure fan II to rotate, the negative pressure fan II extracts steel scraps on the filter screen into a recovery pipe, and through the structural arrangement, the movable internal and external shot blasting rust removal equipment for the large-caliber steel pipe can effectively collect the steel scraps after shot blasting rust removal, so that the situation that the filter screen is blocked to influence the steel shots to enter a shot hopper again is avoided; (3) through the rotation motor who opens rotation mechanism, rotation motor output shaft drives the axis of rotation and rotates, the axis of rotation drives the round wheel and rotates, the round wheel drives the steel pipe rotation, accomplish the internal surface of steel pipe and the rust cleaning work of surface, the screw conveyer in the inner wall arm of force can pass through the collecting pipe with the steel shot in the bounce-back storehouse in the second shot blasting mechanism and carry to back the ball indoor portion internal, through above structure setting, this portable inside and outside shot blasting rust cleaning equipment of heavy-calibre steel pipe need not to remove the position of first shot blasting mechanism and second shot blasting mechanism, can the efficient polish comprehensively steel pipe internal surface and surface through driving steel pipe rotation and steel pipe translation, degree of automation is high.
The purpose of the invention can be realized by the following technical scheme:
a large-caliber steel pipe movable type internal and external shot blasting rust removing device comprises an inner wall force arm and two axial guide rails which are parallel and correspondingly arranged, wherein a conveying trolley is arranged between the two axial guide rails, two autorotation mechanisms are arranged on the conveying trolley, a steel pipe is arranged between the two autorotation mechanisms, each autorotation mechanism comprises two vertical plates, a rotating shaft, a round wheel and an autorotation motor, the rotating shaft is rotatably arranged between the two vertical plates, the round wheel is arranged on the rotating shaft and pushes the conveying trolley towards the inner wall force arm direction, the conveying trolley drives the steel pipe to move towards the inner wall force arm direction, a second shot blasting mechanism on a support enters an inner cavity of the steel pipe and pushes the translation trolley towards the steel pipe direction, and the translation trolley drives a first;
one side of one axial guide rail is provided with two radial guide rails which are parallel and correspondingly arranged, a translation trolley is arranged between the two radial guide rails, a first shot blasting mechanism is arranged on the translation trolley, steel shots in a shot hopper enter an impact bin through a shot outlet pipe, an output shaft of a shot blasting motor drives a shot blasting shaft to rotate, the shot blasting shaft drives a blasting head to rotate, the blasting head ejects the steel shots in the impact bin at a high speed, the blasting head of the first shot blasting mechanism ejects the steel shots on the outer surface of a steel pipe, the blasting head of a second shot blasting mechanism ejects the steel shots on the inner surface of the steel pipe, the inner surface and the outer surface of the steel pipe are simultaneously blasted, a first fan motor is started, an output shaft of the first fan motor drives a first negative pressure fan to rotate, the steel shots and steel scraps generated in the shot blasting process are ejected into the impact bin by the negative pressure adsorption force of the first negative pressure fan and the self resilience force, and the rebound, the steel scraps enter the separation bin through the rebound bin and the shot returning pipe in sequence, the steel scraps are attached to the surface of a filter screen in the separation bin, the steel shots enter a shot hopper through the shot discharging pipe, an output shaft of the autorotation motor drives a rotating shaft to rotate, the rotating shaft drives a round wheel to rotate, the round wheel drives the steel pipe to autorotate, the derusting work of the inner surface and the outer surface of the steel pipe is completed, after derusting, a fan motor II is started, an output shaft of the fan motor II drives a negative pressure fan II to rotate, the negative pressure fan II extracts the steel scraps on the filter screen into a recovery pipe, and the steel scraps enter the waste;
the inner wall force arm side is provided with a second shot blasting mechanism, the first shot blasting mechanism and the second shot blasting mechanism are identical in structure, the first shot blasting mechanism comprises a rebound bin, a shot hopper is arranged above the rebound bin, one side of the rebound bin is provided with a connecting pipe, one end, far away from the rebound bin, of the connecting pipe is provided with a rebound pipe, one side of the shot hopper is provided with a shot outlet pipe, one end, far away from the shot hopper, of the shot outlet pipe is provided with an impact bin, one end, far away from the connecting pipe, of the rebound bin is communicated with the impact bin, one end, far away from the connecting pipe, of the rebound bin is provided with a shot return pipe, one end, far away from the rebound bin, of the shot return pipe is connected with a separation bin, the bottom of an inner cavity of the separation bin is provided with a filter screen, the bottom of the separation bin is provided, the recycling pipe is provided with a second fan motor, the end part of an output shaft of the second fan motor is provided with a second negative pressure fan, and the bottom of the recycling pipe is provided with a waste collecting bin.
Furthermore, the conveying trolley is slidably mounted on the two axial guide rails, and the translation trolley is slidably mounted on the two radial guide rails.
Furthermore, the two rotation mechanisms are symmetrically arranged on two sides of the top of the conveying trolley, the round wheel is fixed in the middle of the rotating shaft, the rotation motor is arranged on one of the vertical plates, and an output shaft of the rotation motor is connected with the rotating shaft.
Furthermore, a rectangular frame is installed at the top of the translation trolley, and the first shot blasting mechanism is installed at the top of the translation trolley through the rectangular frame.
Furthermore, the inner wall force arm is horizontally arranged along the axial direction of the steel pipe, the inner wall force arm is installed on the support, one end, facing the steel pipe, of the inner wall force arm is fixedly connected with the installation plate, and the second shot blasting mechanism is installed on the inner wall force arm through the installation plate.
Further, the ball hopper is the slope form setting, the connecting pipe is the slope form and installs in bounce-back storehouse lateral wall, the connecting pipe is linked together with the bounce-back storehouse, the connecting pipe is linked together with the pipe that kick-backs.
Further, the inner cavity of the shot hopper is provided with a jacket in an inclined manner, a shot blasting shaft is arranged in the jacket in a rotating manner, a shot blasting motor is arranged on the outer wall of the shot hopper, the shot blasting shaft is arranged at the end part of an output shaft of the shot blasting motor, a throwing head is arranged in the impact bin in a rotating manner, the throwing head is arranged on the shot blasting shaft, the shot outlet pipe is communicated with the shot hopper, and the impact bin is communicated with the shot outlet pipe.
Further, it is installed in bounce-back storehouse top to return the ball pipe to be the slope form, bounce-back storehouse is linked together with returning the ball pipe, it is linked together with the separation bin to return the ball pipe, install the aircraft bonnet on the separation bin, the aircraft bonnet internal rotation is provided with negative pressure fan one, install fan motor one on the aircraft bonnet, fan motor output shaft negative pressure fan one, the aircraft bonnet is linked together with the separation bin, the ball pipe is linked together with the separation bin down, the recovery tube is linked together with the garbage collection storehouse.
Furthermore, an axial through hole is formed in the inner wall force arm, a spiral conveyor is arranged in the axial through hole, one end of the spiral conveyor is installed on the pill returning chamber body, and the pill returning chamber body is communicated with the inner wall force arm through a collecting pipe. And the spiral conveyor is communicated with a rebound bin of the second shot blasting mechanism.
Further, the working process of the device is as follows:
the method comprises the following steps: pushing the conveying trolley towards the force arm direction of the inner wall, driving the steel pipe to move towards the force arm direction of the inner wall by the conveying trolley, enabling the second shot blasting mechanism on the support to enter the inner cavity of the steel pipe, pushing the translation trolley towards the direction of the steel pipe, and driving the first shot blasting mechanism to move towards the direction of the steel pipe by the translation trolley through the rectangular frame;
step two: the two shot blasting motors are started, steel shots in the shot hopper enter the impact bin through the shot outlet pipe, an output shaft of each shot blasting motor drives the shot blasting shaft to rotate, the shot blasting shaft drives the throwing head to rotate, the throwing head jets the steel shots in the impact bin at a high speed, the throwing head of the first shot blasting mechanism jets the steel shots on the outer surface of the steel pipe, the throwing head of the second shot blasting mechanism jets the steel shots on the inner surface of the steel pipe, the inner surface and the outer surface of the steel pipe are simultaneously shot blasted, the first fan motor is started, an output shaft of the first fan motor drives the first negative pressure fan to rotate, the steel shots and steel scraps generated in the shot blasting process are rebounded to the impact bin by the negative pressure adsorption force of the first negative pressure fan and the self rebounding force, and the rebounded steel, the steel scraps enter the separation bin through the rebound bin and the shot returning pipe in sequence, the steel scraps are attached to the surface of a filter screen in the separation bin, and the steel shots enter a shot hopper through the shot discharging pipe;
step three: and after rust removal, a fan motor II is started, an output shaft of the fan motor II drives a negative pressure fan II to rotate, the negative pressure fan II extracts steel scraps on the filter screen into a recovery pipe, the steel scraps enter a waste collection bin through the recovery pipe to be collected, and a spiral conveyor in the inner wall force arm can convey steel shots in a rebound bin in the second shot blasting mechanism into a shot return chamber through a collection pipe.
The invention has the beneficial effects that:
(1) according to the movable inner and outer shot blasting rust removing equipment for the large-caliber steel pipe, the conveying trolley is pushed towards the force arm direction of the inner wall, the conveying trolley drives the steel pipe to move towards the force arm direction of the inner wall, the second shot blasting mechanism on the support enters the inner cavity of the steel pipe, the translation trolley is pushed towards the direction of the steel pipe, the translation trolley drives the first shot blasting mechanism to move towards the direction of the steel pipe through the rectangular frame, and through the structural arrangement, the movable inner and outer shot blasting rust removing equipment for the large-caliber steel pipe meets the requirement of simultaneous rust removal of the inner wall and the outer wall of the;
(2) by starting the two shot blasting motors, the steel shots in the shot hopper enter the impact bin through the shot outlet pipe, the output shaft of the shot blasting motor drives the shot blasting shaft to rotate, the shot blasting shaft drives the blasting head to rotate, the blasting head jets the steel shots in the impact bin at a high speed, the blasting head of the first shot blasting mechanism jets the steel shots on the outer surface of the steel pipe, the blasting head of the second shot blasting mechanism jets the steel shots on the inner surface of the steel pipe, the inner surface and the outer surface of the steel pipe are simultaneously blasted, the first fan motor is started, the output shaft of the first fan motor drives the first negative pressure fan to rotate, the steel shots and steel scraps generated in the shot blasting process are rebounded to the impact bin by the negative pressure adsorption force of the first negative pressure fan and the self rebounding force, the rebounded steel shots and steel scraps enter the connecting pipe through the rebounding pipe and enter the separation bin through the rebounding bin and the shot returning pipe, the steel scraps are attached to the surface of, after rust removal, a fan motor II is started, an output shaft of the fan motor II drives a negative pressure fan II to rotate, the negative pressure fan II extracts steel scraps on the filter screen into a recovery pipe, and through the structural arrangement, the movable internal and external shot blasting rust removal equipment for the large-caliber steel pipe can effectively collect the steel scraps after shot blasting rust removal, so that the situation that the filter screen is blocked to influence the steel shots to enter a shot hopper again is avoided;
(3) through the rotation motor who opens rotation mechanism, rotation motor output shaft drives the axis of rotation and rotates, the axis of rotation drives the round wheel and rotates, the round wheel drives the steel pipe rotation, accomplish the internal surface of steel pipe and the rust cleaning work of surface, the screw conveyer in the inner wall arm of force can pass through the collecting pipe with the steel shot in the bounce-back storehouse in the second shot blasting mechanism and carry to back the ball indoor portion internal, through above structure setting, this portable inside and outside shot blasting rust cleaning equipment of heavy-calibre steel pipe need not to remove the position of first shot blasting mechanism and second shot blasting mechanism, can the efficient polish comprehensively steel pipe internal surface and surface through driving steel pipe rotation and steel pipe translation, degree of automation is high.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a movable internal and external shot blasting rust removal device for a large-caliber steel pipe, disclosed by the invention;
FIG. 2 is a schematic structural view of a rotation mechanism of the present invention;
FIG. 3 is an internal structural view of the inner wall moment arm of the present invention;
FIG. 4 is a schematic structural view of a first blasting mechanism of the present invention;
FIG. 5 is a structural view of the separation chamber of the present invention;
FIG. 6 is an installation view of a collection tube of the present invention.
In the figure: 1. an axial guide rail; 2. a conveying trolley; 3. a rotation mechanism; 4. a steel pipe; 5. a vertical plate; 6. a rotating shaft; 7. a round wheel; 8. a rotation motor; 9. a radial guide rail; 10. translating the trolley; 11. a rectangular frame; 12. a first shot blasting mechanism; 13. an inner wall moment arm; 14. a support; 15. a second shot blasting mechanism; 16. mounting a plate; 17. a bounce bin; 18. a connecting pipe; 19. a rebound tube; 20. a pill hopper; 21. a shot blasting motor; 22. a shot blasting shaft; 23. a sheath; 24. discharging the pills; 25. an impact bin; 26. throwing heads; 27. a pill tube is arranged; 28. returning the pills to the tube; 29. separating the bins; 30. a hood; 31. a fan motor I; 32. a first negative pressure fan; 33. filtering with a screen; 34. a recovery pipe; 35. a fan motor II; 36. a second negative pressure fan; 37. a waste collection bin; 38. a screw conveyor; 39. returning to the pill chamber body; 40. and collecting the tubes.
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. 1-6, the invention relates to a large-caliber steel pipe movable type internal and external shot blasting and rust removing device, which comprises an inner wall force arm 13 and two parallel and corresponding axial guide rails 1, wherein a conveying trolley 2 is arranged between the two axial guide rails 1, two autorotation mechanisms 3 are arranged on the conveying trolley 2, a steel pipe 4 is arranged between the two autorotation mechanisms 3, each autorotation mechanism 3 comprises two vertical plates 5, a rotating shaft 6, a round wheel 7 and an autorotation motor 8, the rotating shaft 6 is rotatably arranged between the two vertical plates 5, and the round wheel 7 is arranged on the rotating shaft 6;
one side of one of the axial guide rails 1 is provided with two radial guide rails 9, the two radial guide rails 9 are parallel to each other and are arranged correspondingly, a translation trolley 10 is arranged between the two radial guide rails 9, and a first shot blasting mechanism 12 is arranged on the translation trolley 10;
a second shot blasting mechanism 15 is arranged on one side of the inner wall force arm 13, the first shot blasting mechanism 12 and the second shot blasting mechanism 15 are identical in structure, the first shot blasting mechanism 12 comprises a rebound bin 17, a shot hopper 20 is arranged above the rebound bin 17, a connecting pipe 18 is arranged on one side of the rebound bin 17, a rebound pipe 19 is arranged at one end, far away from the rebound bin 17, of the connecting pipe 18, a shot outlet pipe 24 is arranged on one side of the shot hopper 20, an impact bin 25 is arranged at one end, far away from the shot hopper 20, of the shot outlet pipe 24, one end, far away from the connecting pipe 18, of the rebound pipe 19 is communicated with the impact bin 25, a shot return pipe 28 is arranged at one end, far away from the connecting pipe 18, of the rebound bin 17, of the shot return pipe 28 is connected with a separation bin 29, a filter screen 33 is arranged at the bottom of an inner cavity of the separation bin 29, a lower shot pipe 27 is arranged at the bottom of the separation bin 29, a second fan motor 35 is installed on the recovery pipe 34, a second negative pressure fan 36 is installed at the end part of an output shaft of the second fan motor 35, and a waste collection bin 37 is installed at the bottom of the recovery pipe 34.
Specifically, the conveying trolley 2 is slidably mounted on two axial guide rails 1, and the translation trolley 10 is slidably mounted on two radial guide rails 9.
The two rotation mechanisms 3 are symmetrically arranged on two sides of the top of the conveying trolley 2, the round wheel 7 is fixed in the middle of the rotating shaft 6, the rotation motor 8 is arranged on one of the vertical plates 5, and the output shaft of the rotation motor 8 is connected with the rotating shaft 6.
A rectangular frame 11 is installed at the top of the translation trolley 10, and a first shot blasting mechanism 12 is installed at the top of the translation trolley 10 through the rectangular frame 11.
The inner wall force arm 13 is horizontally arranged along the axial direction of the steel pipe 4, the inner wall force arm 13 is installed on the support 14, one end, facing the steel pipe 4, of the inner wall force arm 13 is fixedly connected with an installation plate 16, and the second shot blasting mechanism 15 is installed on the inner wall force arm 13 through the installation plate 16.
The pill hopper 20 is arranged in an inclined manner, the connecting pipe 18 is arranged on the side wall of the rebound bin 17 in an inclined manner, the connecting pipe 18 is communicated with the rebound bin 17, and the connecting pipe 18 is communicated with the rebound pipe 19.
The inner cavity of the pill hopper 20 is provided with a sheath 23 in an inclined shape, a shot blasting shaft 22 is rotatably arranged in the sheath 23, the outer wall of the pill hopper 20 is provided with a shot blasting motor 21, the shot blasting shaft 22 is arranged at the end part of an output shaft of the shot blasting motor 21, a throwing head 26 is rotatably arranged in the impact bin 25, the throwing head 26 is arranged on the shot blasting shaft 22, the pill outlet pipe 24 is communicated with the pill hopper 20, and the impact bin 25 is communicated with the pill outlet pipe 24.
The shot returning pipe 28 is obliquely arranged at the top of the bounce bin 17, the bounce bin 17 is communicated with the shot returning pipe 28, the shot returning pipe 28 is communicated with the separation bin 29, the separation bin 29 is provided with a hood 30, a first negative pressure fan 32 is rotationally arranged in the hood 30, a first fan motor 31 is arranged on the hood 30, an output shaft of the first fan motor 31 is connected with the first negative pressure fan 32, the hood 30 is communicated with the separation bin 29, the lower shot pipe 27 is communicated with the separation bin 29, and the recovery pipe 34 is communicated with the waste collection bin 37.
An axial through hole is arranged in the inner wall force arm 13, a screw conveyer 38 is arranged in the axial through hole, one end of the screw conveyer 38 is arranged on the pill returning chamber body 39, and the pill returning chamber body 39 is communicated with the inner wall force arm 13 through a collecting pipe 40. The screw conveyor 38 is in communication with the bounce bin 17 of the second blasting mechanism 15.
Referring to fig. 1-6, the working principle of the mobile internal and external shot blasting and rust removing device for large-diameter steel pipes of the present embodiment is as follows:
the method comprises the following steps: the conveying trolley 2 is pushed towards the direction of the inner wall force arm 13, the conveying trolley 2 drives the steel pipe 4 to move towards the direction of the inner wall force arm 13, the second shot blasting mechanism 15 on the support 14 enters the inner cavity of the steel pipe 4, the translation trolley 10 is pushed towards the direction of the steel pipe 4, and the translation trolley 10 drives the first shot blasting mechanism 12 to move towards the direction of the steel pipe 4 through the rectangular frame 11;
step two: two shot blasting motors 21 are started, steel shots in a shot hopper 20 enter an impact bin 25 through a shot outlet pipe 24, an output shaft of the shot blasting motor 21 drives a shot blasting shaft 22 to rotate, the shot blasting shaft 22 drives a shot blasting head 26 to rotate, the shot blasting head 26 ejects the steel shots in the impact bin 25 at a high speed, the shot blasting head 26 of a first shot blasting mechanism 12 ejects the steel shots on the outer surface of a steel pipe 4, the shot blasting head 26 of a second shot blasting mechanism 15 ejects the steel shots on the inner surface of the steel pipe 4, the inner surface and the outer surface of the steel pipe 4 are shot blasted simultaneously, a fan motor I31 is started, an output shaft of the fan motor I31 drives a negative pressure fan I32 to rotate, the steel shots and steel scraps generated in the shot blasting process are rebounded to the impact bin 25 by the negative pressure adsorption force of the negative pressure fan I32 and the self rebounding force, the rebounding steel shots and the steel scraps enter a connecting pipe 18 through a rebounding pipe 19 and enter a separation bin 29 through a rebound pipe 28, and the filter screen, the steel shots enter the shot hopper 20 through the lower shot pipe 27;
step three: the rotation motor 8 of the rotation mechanism 3 is started, the output shaft of the rotation motor 8 drives the rotation shaft 6 to rotate, the rotation shaft 6 drives the circular wheel 7 to rotate, the circular wheel 7 drives the steel pipe 4 to rotate, the rust removal work of the inner surface and the outer surface of the steel pipe 4 is completed, after the rust removal, the fan motor II 35 is started, the output shaft of the fan motor II 35 drives the negative pressure fan II 36 to rotate, the steel scraps on the filter screen 33 are extracted into the recovery pipe 34 by the negative pressure fan II 36, the steel scraps enter the waste collection bin 37 through the recovery pipe 34 to be collected, and the steel shots in the rebound bin 17 in the second shot blasting mechanism 15 can be conveyed to the shot return chamber 39 through the collection pipe 40 by the spiral conveyor 38 in the inner wall force.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes is characterized by comprising an inner wall force arm (13) and two axial guide rails (1) which are arranged in parallel, wherein a conveying trolley (2) is arranged between the two axial guide rails (1), two autorotation mechanisms (3) are arranged on the conveying trolley (2), a steel pipe (4) is arranged between the two autorotation mechanisms (3), each autorotation mechanism (3) comprises two vertical plates (5), a rotating shaft (6), a round wheel (7) and an autorotation motor (8), the rotating shaft (6) is rotatably installed between the two vertical plates (5), and the round wheel (7) is installed on the rotating shaft (6);
two radial guide rails (9) are arranged on one side of one axial guide rail (1), the two radial guide rails (9) are parallel to each other and are arranged correspondingly, a translation trolley (10) is arranged between the two radial guide rails (9), and a first shot blasting mechanism (12) is arranged on the translation trolley (10);
the shot blasting machine is characterized in that a second shot blasting mechanism (15) is arranged on one side of the inner wall force arm (13), the first shot blasting mechanism (12) is identical to the second shot blasting mechanism (15) in structure, the first shot blasting mechanism (12) comprises a bounce bin (17), a shot hopper (20) is arranged above the bounce bin (17), a connecting pipe (18) is arranged on one side of the bounce bin (17), the connecting pipe (18) is far away from one end of the bounce bin (17) and is provided with a rebound pipe (19), a shot outlet pipe (24) is arranged on one side of the shot hopper (20), one end, far away from the shot hopper (20), of the shot outlet pipe (24) is provided with an impact bin (25), one end, far away from the connecting pipe (18), of the rebound pipe (19) is communicated with the impact bin (25), one end, far away from the connecting pipe (18), of the rebound bin (17) is provided with a shot return pipe (28), one end, far away from the bounce bin, filter screen (33) are installed to separation bin (29) inner chamber bottom, separation bin (29) bottom is installed down ball pipe (27), separation bin (29) one end intercommunication ball hopper (20) are kept away from down ball pipe (27), recovery tube (34) are installed to separation bin (29) one end, recovery tube (34) internal rotation is provided with negative pressure fan two (36), install fan motor two (35) on recovery tube (34), negative pressure fan two (36) are installed to fan motor two (35) output shaft tip, garbage collection storehouse (37) are installed to recovery tube (34) bottom.
2. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein the conveying trolley (2) is slidably mounted on the two axial guide rails (1), and the translation trolley (10) is slidably mounted on the two radial guide rails (9).
3. The movable inner and outer shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein the two rotation mechanisms (3) are symmetrically arranged on two sides of the top of the conveying trolley (2), the round wheel (7) is fixed in the middle of the rotating shaft (6), the rotation motor (8) is arranged on one vertical plate (5), and the output shaft of the rotation motor (8) is connected with the rotating shaft (6).
4. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein a rectangular frame (11) is mounted at the top of the translation trolley (10), and the first shot blasting mechanism (12) is mounted at the top of the translation trolley (10) through the rectangular frame (11).
5. The movable inner and outer shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein the inner wall force arm (13) is mounted on the support (14), the inner wall force arm (13) is fixedly connected with the mounting plate (16) towards one end of the steel pipe (4), and the second shot blasting mechanism (15) is mounted on the inner wall force arm (13) through the mounting plate (16).
6. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein the connecting pipe (18) is obliquely arranged on the side wall of the rebound bin (17), the connecting pipe (18) is communicated with the rebound bin (17), and the connecting pipe (18) is communicated with the rebound pipe (19).
7. The movable inner and outer shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein an inner cavity of the shot hopper (20) is provided with a sheath (23) in an inclined manner, a shot blasting shaft (22) is rotatably arranged in the sheath (23), the outer wall of the shot hopper (20) is provided with a shot blasting motor (21), the shot blasting shaft (22) is arranged at the end part of an output shaft of the shot blasting motor (21), a throwing head (26) is rotatably arranged in the impact bin (25), the throwing head (26) is arranged on the shot blasting shaft (22), the shot outlet pipe (24) is communicated with the shot hopper (20), and the impact bin (25) is communicated with the shot outlet pipe (24).
8. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein the shot returning pipe (28) is obliquely arranged at the top of the bounce bin (17), the bounce bin (17) is communicated with the shot returning pipe (28), the shot returning pipe (28) is communicated with the separation bin (29), a hood (30) is arranged on the separation bin (29), a first negative-pressure fan (32) is arranged in the hood (30) in a rotating manner, a first fan motor (31) is arranged on the hood (30), an output shaft of the first fan motor (31) is connected with the first negative-pressure fan (32), the hood (30) is communicated with the separation bin (29), the shot returning pipe (27) is communicated with the separation bin (29), and the recycling pipe (34) is communicated with the waste collection bin (37).
9. The movable inner and outer shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in claim 1, wherein an axial through hole is formed in the inner wall force arm (13), a screw conveyor (38) is arranged in the axial through hole, one end of the screw conveyor (38) is installed on the shot returning chamber body (39), and the shot returning chamber body (39) is communicated with the inner wall force arm (13) through a collecting pipe (40).
10. The movable internal and external shot blasting and rust removing equipment for the large-caliber steel pipes as claimed in any one of claims 1 to 9, wherein the working process of the equipment is as follows:
the method comprises the following steps: the conveying trolley (2) is pushed towards the direction of the inner wall force arm (13), the conveying trolley (2) drives the steel pipe (4) to move towards the direction of the inner wall force arm (13), a second shot blasting mechanism (15) on the support (14) enters the inner cavity of the steel pipe (4) to push the translation trolley (10) towards the direction of the steel pipe (4), and the translation trolley (10) drives the first shot blasting mechanism (12) to move towards the direction of the steel pipe (4) through the rectangular frame (11);
step two: two shot blasting motors (21) are started, steel shots in a shot hopper (20) enter an impact bin (25) through a shot outlet pipe (24), an output shaft of the shot blasting motors (21) drives a shot blasting shaft (22) to rotate, the shot blasting shaft (22) drives a shot blasting head (26) to rotate, the shot blasting head (26) ejects the steel shots in the impact bin (25) at a high speed, the shot blasting head (26) of a first shot blasting mechanism (12) ejects the steel shots on the outer surface of a steel pipe (4), the shot blasting head (26) of a second shot blasting mechanism (15) ejects the steel shots on the inner surface of the steel pipe (4), the inner surface and the outer surface of the steel pipe (4) are shot blasted simultaneously, a fan motor I (31) is started, an output shaft of the fan motor I (31) drives a negative pressure fan I (32) to rotate, the steel shots and steel scraps generated in the process are rebounded to the impact bin (25) by the negative pressure adsorption force of the negative pressure fan I (32) and the self rebounding force, and the rebounding force of the rebounding shots and the, the steel scraps sequentially pass through a rebound bin (17) and a shot returning pipe (28) and enter a separation bin (29), the steel scraps are attached to the surface of a filter screen (33) in the separation bin (29), and the steel shots enter a shot hopper (20) through a shot discharging pipe (27);
step three: and (2) starting a rotation motor (8) of the rotation mechanism (3), driving a rotation shaft (6) to rotate by an output shaft of the rotation motor (8), driving a round wheel (7) to rotate by the rotation shaft (6), driving a steel pipe (4) to rotate by the round wheel (7), finishing the derusting work of the inner surface and the outer surface of the steel pipe (4), after derusting, starting a fan motor II (35), driving a negative pressure fan II (36) to rotate by an output shaft of the fan motor II (35), and extracting steel scraps on the filter screen (33) into a recovery pipe (34) by the negative pressure fan II (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060383.3A CN112171518A (en) | 2020-09-30 | 2020-09-30 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011060383.3A CN112171518A (en) | 2020-09-30 | 2020-09-30 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112171518A true CN112171518A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011060383.3A Pending CN112171518A (en) | 2020-09-30 | 2020-09-30 | Movable inner and outer shot blasting and rust removing equipment for large-diameter steel pipe |
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| Country | Link |
|---|---|
| CN (1) | CN112171518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023164999A1 (en) * | 2022-03-02 | 2023-09-07 | 玉环普天单向器有限公司 | Shot-blasting treatment device for star wheel |
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