CN107584432B - Rotatable sand blasting sealing cover for automatic sand blasting - Google Patents
Rotatable sand blasting sealing cover for automatic sand blasting Download PDFInfo
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- CN107584432B CN107584432B CN201610532167.1A CN201610532167A CN107584432B CN 107584432 B CN107584432 B CN 107584432B CN 201610532167 A CN201610532167 A CN 201610532167A CN 107584432 B CN107584432 B CN 107584432B
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Abstract
The invention provides a rotatable sand blasting sealing cover for automatic sand blasting, which comprises a sand inlet pipe joint, a rotary motor, a speed reducer, a sand blasting chamber, a spray gun, a body connecting bearing and a brush, wherein the rotary motor is connected with the speed reducer; wherein the spray gun is arranged in the sand blasting chamber; the rotary motor is used for driving the spray gun to rotate through the speed reducer; the lower end of the sand blasting cavity is provided with a brush; one end of the sand inlet pipe joint is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system; the other end is communicated with a hollow shaft of the speed reducer. According to the invention, the annular brush is connected to the body through the elastic connecting sleeve with the folding part, so that the resistance of the weld reinforcement can be reduced, the continuity and stability of sand blasting are ensured, and the rust removal efficiency is improved. The invention can realize 98 percent recovery of the grinding material, 100 percent recovery of dust and rust, no dust pollution, high efficiency and environmental protection, and the width of single rust removal is more than 200 mm. The additional moment is small, the load capacity of the robot body can be improved, and the derusting operation height of the robot is increased.
Description
Technical Field
The invention relates to a coating manufacturing technology of a ship hull plate, in particular to a sand blasting sealing cover for automatic sand blasting.
Background
In the manufacturing field of equipment such as shipbuilding, large containers, electric power stations and the like, large sand blasting equipment such as sand blasting rooms and the like cannot be adopted for sand blasting rust removal, at present, manual open sand blasting rust removal is mostly adopted, the labor intensity of workers is high, the working conditions are severe, and dust and noise of the sand blasting rust removal greatly affect the health of people. In addition, dust after manual polishing is not recycled, so that the environmental pollution is serious, in addition, the manual sand blasting efficiency is low, and the sand blasting rust removal effect is unstable. Meanwhile, with the development of economy, the Chinese population is gradually reduced in dividend, the labor cost is increased, and skilled workers are scarce. The development of an automatic sand blasting and rust removing device to replace manual sand blasting and rust removing is very urgent and has great practical significance.
Through the search and analysis of the prior art documents, the invention discloses a special nozzle for a circulating sand blasting and rust removing device for the outer welding seam of the pipeline, which is disclosed in Chinese patent document with patent publication No. CN 201210104244.5. But the nozzle is smaller, has narrow width of single sand blasting and low efficiency, is mostly used for manual hand-held sand blasting and is not suitable for automatic sand blasting.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a blast sealing boot for automatic blasting.
The rotatable sand blasting sealing cover for automatic sand blasting comprises a sand inlet pipe joint, a rotary motor, a speed reducer, a sand blasting chamber, a spray gun, a body connecting bearing and a brush, wherein the rotary motor is arranged on the sand inlet pipe joint;
wherein the spray gun is disposed in the blasting chamber; the rotary motor is used for driving the spray gun to rotate through the speed reducer;
the lower end of the sand blasting cavity is provided with a brush; one end of the sand inlet pipe joint is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system; the other end is communicated with a hollow shaft of the speed reducer.
Preferably, the sand inlet pipe joint comprises a plug, a quick-change threaded connector and a sand guide pipe;
the quick-change threaded interface is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system;
the sand material guide pipe is communicated with the quick-change threaded connector; the plug is connected with the quick-change threaded connector and the sand guide pipe to form an L-shaped corner;
the lower end of the sand material guide pipe extends into a hollow shaft of the speed reducer.
Preferably, the lower end of the hollow shaft is provided with a connecting flange;
the connecting flange is used for installing the spray gun.
Preferably, the inner diameter of the hollow shaft is of a boss type; the inner diameter of the upper end of the hollow shaft is slightly larger than that of the sand material guide pipe;
the inner diameter of the lower end of the hollow shaft is equal to or slightly smaller than the inner diameter of the sand material guide pipe.
Preferably, the blasting chambers comprise an upper blasting chamber, a lower blasting chamber;
the lower end of the upper sand blasting chamber is connected with the upper end of the lower sand blasting chamber; the lower end of the lower sand blasting chamber is provided with a brush;
the lance is disposed in the upper blasting chamber.
Preferably, a sand return pipe joint is arranged on the side surface of the upper sand blasting and rust removing chamber;
the sand return pipe joint is in a horn mouth shape.
Preferably, a body connecting bearing is arranged on the outer side surface of the lower sand blasting chamber and is connected with an inner ring of the body connecting bearing;
the body connecting bearing is used for being connected with the wall-climbing robot body.
Preferably, the brush comprises an elastic connecting sleeve, a framework and bristles fixed on the framework;
the elastic connecting sleeve is connected with the outer side surface of the lower sand blasting chamber; the framework is nested on the elastic connecting sleeve;
the elastic connecting sleeve is provided with a folding part, and the folding part is positioned between the lower sand blasting chamber and the hairbrush; the end part of the elastic connecting sleeve connected with the hairbrush is in a horn mouth shape.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the annular brush is connected to the body by adopting the structure of the elastic connecting sleeve with the folding part, so that the resistance of the weld reinforcement can be reduced, the continuity and stability of sand blasting are ensured, and the rust removal efficiency is improved;
2. according to the invention, the horn-mouth-shaped brush is adopted, and the brush head of the brush has the radian matched with the curved surface of the workpiece, so that the sealing property of the grinding material is ensured, the waste of the grinding material is reduced, the surface cleanliness is improved, and the surface quality of rust removal is ensured;
3. the side surface of the upper sand blasting and rust removing cavity is provided with the sand return pipe joint, and the sand return pipe joint is connected with the sand return pipe of the vacuum recovery system during sand blasting operation, so that the grinding materials, rust and the like can be effectively recovered in the sand blasting and rust removing process.
4. The sand blasting chamber comprises an upper sand blasting chamber and a lower sand blasting chamber, the size of the sand blasting chamber far exceeds that of a manually sealed sand blasting chamber, the single rust removal width is between 100 mm and 300mm, and the flow of compressed air for conveying abrasive can reach 8m3Above, the rust removal efficiency can be 20m2The working radius can be about 30m, which is incomparable with manual environment-friendly sand blasting.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a blasting seal cap for automatic blasting according to the present invention.
In the figure:
1 is a sand inlet pipe joint;
2 is a rotary motor;
a reducer 3;
6 is a sand return pipe joint
7 is a body connecting bearing;
8 is an elastic connecting sleeve;
9 is a brush hair;
10 is a quick-change threaded interface;
11 is a sand material guide pipe;
12 is a plug;
13 is a turbine shaft;
and 14 is a connecting flange.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
In this embodiment, the rotatable sand blasting sealing cover for automatic sand blasting provided by the invention comprises a sand inlet pipe joint 1, a rotary motor 2, a speed reducer 3, a sand blasting chamber, a spray gun, a body connecting bearing 7 and a brush;
wherein the spray gun is disposed in the blasting chamber; the rotary motor 2 is used for driving the spray gun to rotate through the speed reducer 3;
the lower end of the sand blasting cavity is provided with a brush; one end of the sand inlet pipe joint 1 is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system; the other end is communicated with a hollow shaft of the speed reducer 3.
The rotation of the rotary motor 2 drives the spray gun at the lower end of the speed reducer 3 to rotate after being decelerated by the speed reducer 3, and rotary sand blasting is realized through high-speed rotation of the spray gun, so that the width and the efficiency of single rust removal are improved. The rotary motor 2 adopts a pneumatic motor, an alternating current motor or a servo motor; different types of rotary motors can be selected according to different requirements of sand blasting and rust removal. The servo motor can better control and adjust the rotating speed. The pneumatic motor can reduce the weight of the rotary mechanism part, and the two schemes have respective advantages and disadvantages.
The sand inlet pipe joint 1 comprises a plug 12, a quick-change threaded connector 10 and a sand guide pipe 11;
the quick-change threaded interface 10 is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system;
the sand material guide pipe 11 is communicated with the quick-change threaded connector 10; the plug 12 is connected with the quick-change threaded connector 10 and the sand guide pipe 11 to form an L-shaped corner;
the lower end of the sand guide pipe 11 extends into the hollow shaft of the speed reducer 3.
The abrasive is reversed by the sand guide pipe 11 and then is input into the sand blasting derusting chamber through the sand guide pipe 11. The sand guide pipe 11 is coaxial with the hollow shaft; the end cap is embedded with wear-resistant material boron carbide to reduce the replacement time and prolong the service life.
The lower end of the hollow shaft is provided with a connecting flange 14; the connecting flange 14 is used for installing a spray gun and can be connected with automatic sand blasting derusting guns in different forms according to requirements.
The inner diameter of the hollow shaft 13 is in a boss type; the inner diameter of the upper end of the hollow shaft 13 is slightly larger than that of the sand guide pipe 11; the inner diameter of the lower end of the hollow shaft 13 is equal to or slightly smaller than the inner diameter of the sand material guide pipe 11. The distance between the inner diameter of the lower end of the hollow shaft 13 and the sand guide pipe 11 is less than or equal to 0.6mm, so that the guiding of the abrasive materials is facilitated, and meanwhile, fine abrasive materials are prevented from entering between the guide pipe and the large diameter of the upper end of the hollow shaft, the influence on the rotation of the speed reducer due to the friction of the abrasive materials is prevented, and therefore the sealing performance is improved, and the resistance to the rotation of the sand-blasting gun is reduced.
The blasting chambers comprise an upper blasting chamber 4 and a lower blasting chamber 5; the lower end of the upper sand blasting chamber 4 is connected with the upper end of the lower sand blasting chamber 5; the lower end of the lower sand blasting chamber 5 is provided with a brush; the lance is arranged in the upper blasting chamber 4.
The size of the sand blasting chamber far exceeds that of a manual sealing sand blasting chamber, the single rust removal width is between 100 mm and 300mm, the flow of compressed air for conveying abrasive can reach more than 8m3, the rust removal efficiency can be 20m2/h, and the working radius can be about 30m, which is incomparable with manual environment-friendly sand blasting.
A sand return pipe joint 6 is arranged on the side surface of the upper sand blasting chamber 4; the sand return pipe joint 6 is in a horn mouth shape. The sand return pipe joint 6 is connected with a sand return pipe of the vacuum recovery system during sand blasting operation, so that the abrasive material, rust and the like can be effectively recovered in the sand blasting and rust removing process.
A body connecting bearing 7 is arranged on the outer side surface of the lower sand blasting chamber 5 and is connected with an inner ring of the body connecting bearing 7; the body connecting bearing 7 is used for being connected with the wall-climbing robot body. The body connecting bearing 7 can ensure that the robot can reduce the resistance of the weld reinforcement to the robot in the sand blasting process as much as possible, the body connecting bearing 7 can also ensure that when the robot transversely and longitudinally travels, the sand inlet pipe, the sand return pipe, the control cable and the like are always positioned at the center of the robot body and vertically downward, so that the sand inlet pipe, the sand return pipe and the control cable are prevented from being biased to generate additional moment, and the effective load and the operation safety of the robot are improved.
The brush comprises an elastic connecting sleeve 8, a framework and brush bristles 9 fixed on the framework; the elastic connecting sleeve 8 is connected with the outer side surface of the lower sand blasting chamber 5; the framework is nested on the elastic connecting sleeve 8.
The lower end of the lower sand blasting chamber is connected with an annular brush 8.
The elastic connecting sleeve 8 is provided with a folding part which is positioned between the lower sand blasting chamber 5 and the brush. The elastic connecting sleeve 8 and the end part connected with the brush are in a horn mouth shape, the framework is nested on the elastic connecting sleeve, and the bristles extend out of the elastic connecting sleeve along the horn mouth.
In the embodiment, the sand blasting sealing cover for automatic sand blasting is mainly used for the automatic sand blasting process, in the sand blasting process, the grinding material moving at a high speed is pushed into a sand blasting chamber through the sand inlet pipe joint 1, the whole sand blasting process is carried out in the closed sand blasting chamber, after the grinding material accelerated by a spray gun impacts the surface of a workpiece to rebound, the grinding material, scrap iron and oil stain are recovered through a sand return pipe based on vacuum negative pressure, under proper negative pressure, the grinding material, dust and rust stain are recovered by nearly 100 percent, the recovered grinding material is separated and circulated and can be recycled, the dust and the rust stain can be separately recovered after being separated, the grinding material is separated and recycled through circulation, the utilization rate of the grinding material is improved, the cost is greatly reduced, and the dust, the grinding material and the rust stain are also recovered by 100 percent, so that the environment-friendly operation of the whole sand blasting process is realized, the pollution of the conventional open type sand blasting method to the human health and the environment is prevented.
In addition, the unique chamber design, the upper part is a sealed chamber, which is used for preventing the grinding materials rebounded in the operation process from entering the rotating mechanisms such as the speed reducer 3 and the like, preventing the mechanism from being locked and improving the safety and the reliability of the system.
The diameter of the whole sand blasting sealing cover chamber can reach 250-300mm or more, and the single rust removal width can reach 200mm or more, so that the automatic sand blasting operation can be greatly improved by adopting the technology to perform automatic sand blasting. The device not only can be used for shipbuilding, but also can be used for on-site automatic sand blasting operation of electrical power stations, large containers and the like, is efficient, solves the problems of environmental protection and energy conservation, and has great popularization and application values no matter from the perspective of economic benefits and social benefits.
The invention has the advantages and positive effects that: the structure that the annular brush is connected to the body by the elastic connecting sleeve with the folding part can reduce the resistance of the weld reinforcement, ensure the continuity and stability of sand blasting and improve the rust removal efficiency; by adopting the horn mouth-shaped brush structure and enabling the brush head of the brush to have the radian matched with the curved surface of the workpiece, the sealing performance of the grinding materials is ensured, the waste of the grinding materials is reduced, the surface cleanliness is improved, and the surface quality of rust removal is ensured.
The method has the advantages and positive effects that the prior grinding material is recovered by 98 percent, the dust and the rust are recovered by 100 percent, the single rust removal width is more than 200mm, no dust pollution is caused, and the method is efficient and environment-friendly. The additional moment is small, the load capacity of the robot body can be improved, and the derusting operation height of the robot is increased.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. A rotatable sand blasting sealing cover for automatic sand blasting is characterized by comprising a sand inlet pipe joint (1), a rotary motor (2), a speed reducer (3), a sand blasting chamber, a spray gun, a body connecting bearing (7) and a brush;
wherein the spray gun is disposed in the blasting chamber; the rotary motor (2) is used for driving the spray gun to rotate through the speed reducer (3);
the lower end of the sand blasting chamber is provided with a brush; one end of the sand inlet pipe joint (1) is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system; the other end is communicated with a hollow shaft of the speed reducer (3);
the blasting chambers comprise an upper blasting chamber (4), a lower blasting chamber (5);
the lower end of the upper sand blasting chamber (4) is connected with the upper end of the lower sand blasting chamber (5); the lower end of the lower sand blasting chamber (5) is provided with a brush;
the lance being arranged in the upper blasting chamber (4);
a sand return pipe joint (6) is arranged on the side surface of the upper sand blasting chamber (4);
the sand return pipe joint (6) is arranged in a bell mouth shape;
a body connecting bearing (7) is arranged on the outer side surface of the lower sand blasting chamber (5) and is connected with an inner ring of the body connecting bearing (7);
the body connecting bearing (7) is used for being connected with the wall-climbing robot body;
the sand inlet pipe joint (1) comprises a plug (12), a quick-change threaded connector (10) and a sand guide pipe (11);
the quick-change threaded interface (10) is used for being connected with a sand inlet pipe of an abrasive material conveying system of the rust removal robot system;
the sand material guide pipe (11) is communicated with the quick-change threaded connector (10); the plug (12) is connected with the quick-change threaded connector (10) and the sand guide pipe (11) to form an L-shaped corner;
the lower end of the sand material guide pipe (11) extends into a hollow shaft of the speed reducer (3);
the hairbrush comprises an elastic connecting sleeve (8), a framework and bristles (9) fixed on the framework;
the elastic connecting sleeve (8) is connected with the outer side surface of the lower sand blasting chamber (5); the framework is nested on the elastic connecting sleeve (8);
the elastic connecting sleeve (8) is provided with a folding part which is positioned between the lower sand blasting chamber (5) and the brush; the end part of the elastic connecting sleeve (8) connected with the hairbrush is in a bell mouth shape;
the rotatable sand blasting sealing cover for automatic sand blasting pushes abrasive materials moving at high speed to a sand blasting chamber through the sand inlet pipe joint (1) in the sand blasting process, the whole sand blasting process is carried out in the sand blasting chamber, the abrasive materials accelerated by the spray gun impact the surface of a workpiece to rebound, the abrasive materials, iron filings and oil stains are recovered through the sand return pipe based on vacuum negative pressure, the recovered abrasive materials are separated and circulated and can be recycled, and the dust and the rust stains are separated and then recovered separately;
the rotatable sand blasting sealing cover for automatic sand blasting adopts a structure that an elastic connecting sleeve with a folding part is adopted to connect the annular brush to the body, so that the resistance of the extra height of a welding seam is reduced, the continuity and the stability of sand blasting are ensured, and the rust removing efficiency is improved; a horn mouth-shaped brush structure is adopted, and the brush head of the brush has a radian matched with the curved surface of the workpiece, so that the sealing performance of the grinding materials is ensured, the waste of the grinding materials is reduced, the surface cleanliness is improved, and the surface quality of rust removal is ensured;
the rotatable sand blasting sealing cover for automatic sand blasting has a single rust removal width of between 100 and 300mm, and the flow rate of compressed air for conveying abrasive materials is 8m3The rust removal efficiency is more than 20m2/h。
2. The rotatable sandblasting closure for automatic sandblasting according to claim 1, characterised in that the lower end of the hollow shaft is provided with a connecting flange (14);
the connecting flange (14) is used for mounting the spray gun.
3. The rotatable sandblasting seal for automatic sandblasting according to claim 1, characterised in that the hollow shaft (13) has an internal diameter of the convex type; the inner diameter of the upper end of the hollow shaft (13) is slightly larger than the inner diameter of the sand guide pipe (11);
the inner diameter of the lower end of the hollow shaft (13) is equal to or slightly smaller than the inner diameter of the sand material guide pipe (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610532167.1A CN107584432B (en) | 2016-07-07 | 2016-07-07 | Rotatable sand blasting sealing cover for automatic sand blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532167.1A CN107584432B (en) | 2016-07-07 | 2016-07-07 | Rotatable sand blasting sealing cover for automatic sand blasting |
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| CN107584432A CN107584432A (en) | 2018-01-16 |
| CN107584432B true CN107584432B (en) | 2020-06-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109333372A (en) * | 2018-11-19 | 2019-02-15 | 浙江嘉蓝海洋电子有限公司 | Passive adaptive universal operation head device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384873A1 (en) * | 1989-02-24 | 1990-08-29 | Christian Diat | Apparatus for cleaning building-walls |
| JP2000176840A (en) * | 1998-12-17 | 2000-06-27 | Tomoe Corp | Blast device |
| CN104999380A (en) * | 2015-07-23 | 2015-10-28 | 长春理工大学 | Abrasive flow polishing device for mold processing |
| CN105555478A (en) * | 2013-09-20 | 2016-05-04 | 耶多科技 | Method for recovering machining waste by input of energy and machining machine comprising a waste recovery system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4680899A (en) * | 1981-01-06 | 1987-07-21 | Pangborn Corporation | Portable abrasive throwing wheel device |
| WO2006028570A1 (en) * | 2004-09-03 | 2006-03-16 | Nitrocision Llc | System and method for delivering cryogenic fluid |
| JP2014136271A (en) * | 2013-01-16 | 2014-07-28 | Maru-T Ohtsuka Corp | Polishing gun device |
| CN204565925U (en) * | 2015-01-16 | 2015-08-19 | 黄尚进 | A kind of high pressure polishing material polishing fluid mixture spray gun |
-
2016
- 2016-07-07 CN CN201610532167.1A patent/CN107584432B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0384873A1 (en) * | 1989-02-24 | 1990-08-29 | Christian Diat | Apparatus for cleaning building-walls |
| JP2000176840A (en) * | 1998-12-17 | 2000-06-27 | Tomoe Corp | Blast device |
| CN105555478A (en) * | 2013-09-20 | 2016-05-04 | 耶多科技 | Method for recovering machining waste by input of energy and machining machine comprising a waste recovery system |
| CN104999380A (en) * | 2015-07-23 | 2015-10-28 | 长春理工大学 | Abrasive flow polishing device for mold processing |
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