CN107639547B - Sealing cover for automatic sand blasting and rust removing - Google Patents
Sealing cover for automatic sand blasting and rust removing Download PDFInfo
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- CN107639547B CN107639547B CN201610579925.5A CN201610579925A CN107639547B CN 107639547 B CN107639547 B CN 107639547B CN 201610579925 A CN201610579925 A CN 201610579925A CN 107639547 B CN107639547 B CN 107639547B
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Abstract
The invention provides a sealing cover for automatic sand blasting and rust removing, which comprises an upper sand blasting chamber, a middle sand blasting chamber, a lower sand blasting chamber and a brush, wherein the upper sand blasting chamber, the middle sand blasting chamber and the lower sand blasting chamber are sequentially connected; one side of the middle sand blasting chamber is provided with a sand return pipe joint. The whole sand blasting unit is driven by the robot to move in the sand blasting process, the brush plays a sealing role, negative pressure is conveniently formed, abrasive materials are prevented from leaking, under the action of the negative pressure, the abrasive materials, rust and dust are completely recycled through the recycling pipe, and meanwhile, the abrasive materials which are not crushed can be recycled. 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, nearly 100 percent recovery of dust and rust, over 200mm of single rust removal width, no dust pollution, high efficiency and environmental protection. 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 belongs to the technical field of coating and manufacturing of hull planking, and particularly relates to an environment-friendly, efficient and large-area automatic sand blasting and rust removing sealing cover for comprehensively polishing and sand blasting and rust removing large seams on the surface of a hull.
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
Aiming at the defects in the prior art, the invention aims to provide the sealing cover for automatic sand blasting and rust removing, which ensures the continuity and stability of sand blasting and improves the rust removing efficiency.
In order to solve the technical problem, the invention provides a sealing cover for automatic sand blasting and rust removing, which comprises: the sand-returning pipe joint is arranged on one side of the middle sand-blasting chamber and communicated with an inner cavity of the middle sand-blasting chamber; a lower sand blasting chamber, wherein the upper part of the lower sand blasting chamber is connected with the lower part of the middle sand blasting chamber, and the inner cavity of the lower sand blasting chamber is communicated with the inner cavity of the middle sand blasting chamber; a brush disposed at a lower portion of the lower blasting chamber; the lower part of the upper sand blasting chamber is connected with the upper part of the middle sand blasting chamber, and the inner cavity of the upper sand blasting chamber is communicated with the inner cavity of the middle sand blasting chamber; the sand feeding mechanism is arranged on the upper sand blasting chamber and communicated with an inner cavity of the upper sand blasting chamber; a rotating mechanism disposed within the upper sandblasting chamber; and the driving mechanism is arranged on the upper sand blasting chamber and is connected with the rotating mechanism.
Preferably, the robot further comprises a robot body connecting bearing; the lower sand blasting chamber can be connected with the robot body in the circumferential direction through the robot body connecting bearing; the robot body connecting bearing comprises a ball bearing and/or a plane bearing. Specifically, the lower part sandblast chamber can be connected with the robot body through the robot body connecting bearing (ball bearing and plane bearing) in the circumferential direction, the robot body connecting bearing can be connected to ensure that the resistance of the robot to the travel of the robot due to the weld reinforcement can be reduced as much as possible in the sandblasting process, the robot body connecting bearing can be connected to ensure that the sand feeding pipe, the sand return pipe, the control cable and the like are always positioned vertically downwards at the center of the robot body when the robot travels transversely and longitudinally, the sand feeding pipe, the sand return pipe and the control cable are prevented from being offset to generate additional moment, and the effective load and the operation safety of the robot are improved. The lower end of the lower sand blasting chamber is connected with the brush.
Preferably, the rotating mechanism includes: a seal chamber disposed within the upper sandblasting chamber; and the rotary bearing sleeve is arranged on the outer side of the sealing chamber.
Preferably, the sand feeding mechanism includes: a connection end cap disposed on the upper sandblasting chamber, the connection end cap communicating with an inner cavity of the upper sandblasting chamber; one end of the sand inlet pipe joint is communicated with the connecting end cover; and the sand inlet bearing is arranged at the upper part of the rotating bearing.
Preferably, the drive mechanism comprises: the motor is arranged on the upper sand blasting chamber, and the working end of the motor extends into the upper sand blasting chamber; a first drive gear disposed on a working end of the motor; a second drive gear disposed on the sealed chamber, the second drive gear meshing with the first drive gear.
Preferably, the sand inlet bearing is coaxially arranged with the rotational bearing.
Preferably, the sand return pipe joint is in a bell mouth shape.
Preferably, the bottom plate of the sealing chamber is provided with one or more mounting holes, the mounting holes are communicated with the inner cavities of the sealing chamber and the middle sand blasting chamber, and the mounting holes are used for mounting the sand blasting derusting gun in a sealing mode.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the whole sand blasting process is carried out in the closed chamber, after the grinding material accelerated by the spray gun impacts the surface of the workpiece to rebound, the grinding material, scrap iron and oil stain are recovered through the sand return pipe based on vacuum negative pressure, and under proper negative pressure, the grinding material, dust and rust stain are recovered by nearly 100 percent;
2. the recovered abrasive is separated, circulated and reused, the utilization rate of the abrasive can reach 98 percent, the environment-friendly operation of the whole sand blasting process is realized, and the pollution of the conventional open sand blasting method to the human health and the environment is prevented.
3. The special chamber design, the upper part is a sealed chamber, which prevents the grinding material rebounded in the operation process from entering the rotating mechanism, prevents the mechanism from being blocked, and improves the safety and reliability of the system.
4. The diameter of the whole sealing cover chamber for automatic sand blasting rust removal can reach 250-300mm or more, the size of the sand blasting chamber far exceeds that of a manual sealing sand blasting chamber, the single rust removal width is between 100-300mm, 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.
5. The lower sand blasting chamber can be connected with the robot body through the bearing in the circumferential direction, the bearing connection can ensure that the robot reduces the resistance of the weld reinforcement to the robot advancing in the sand blasting process as much as possible, the bearing connection 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 in the center of the robot body and vertically downwards, the sand inlet pipe, the sand return pipe and the control cable are prevented from being offset to generate additional moment, and the effective load and the operation safety of the robot are improved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a sealing cover for automatic sand blasting and rust removal according to the invention.
Detailed Description
The following examples illustrate the invention in detail: the embodiment is implemented on the premise of the technical scheme of the invention, and a detailed implementation mode and a specific operation process are given. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
As shown in figure 1, the sealing cover for automatic sand blasting and rust removing comprises a sand inlet pipe joint 8, a rotating motor 7, an upper sand blasting chamber 1, a middle sand blasting chamber 2, a lower sand blasting chamber 3, an elastic connecting sleeve and a brush 4, wherein the brush comprises the elastic connecting sleeve, bristles and the like.
The upper sand blasting chamber 1 is provided with a gear set (a first driving gear 11 and a second driving gear 12), a rotary bearing 13, a sand inlet bearing 10 and a sealing chamber 14; the sealing chamber 14 is provided with a single hole or a plurality of holes, the upper part of the upper sand blasting chamber 1 is provided with a connecting end cover 5, the lower part of the sand blasting chamber 1 and the connecting end cover 5 are provided with a rotary bearing 13 and a sand feeding bearing 10 which are concentric up and down, and the uniform rotation of the sealing chamber 14 is ensured. The cover plate 15 of the seal chamber 14 presses the rotary bearing 13 to prevent the rotary bearing 13 from rising.
The lower end of the upper sand blasting chamber 1 is provided with a rotary bearing 13, the rotary bearing 13 is connected with a sealing chamber 14, the upper part of the sealing chamber 14 is fixedly connected with a hollow second driving gear 12, the second driving gear 12 is connected with a rotary motor outside the sand blasting chamber 7 through a first driving gear 11, and one or more mounting holes are formed in the lower end of the sealing chamber 14 so as to conveniently mount a sand blasting derusting gun.
The upper end of the upper sand blasting chamber 1 is connected with a sand inlet pipe connecting end cover 5, a sand inlet bearing 10 is arranged on the connecting end cover 5, and the sand inlet bearing 10 is connected with a sand blasting gun in the upper sand blasting chamber 1. The connecting end cover 5 is connected with a sand inlet pipe joint 8 (at 45 degrees or 90 degrees), a sand inlet pipe of the sand inlet pipe joint 8 extends into the sealing chamber 14 and is inserted into a sand inlet pipe inlet of the rotary spray gun; the 7 anterior segments of rotating electrical machines are provided with first drive gear 11, and first drive gear 11 and the meshing of second drive gear 12, and second drive gear 12 links firmly with seal chamber 14, and at the sandblast in-process, the rotation through rotating electrical machines 7 drives seal chamber 14 rotatory, and seal chamber 14 drives the spray gun rotatory, and high-speed rotation through the spray gun improves sandblast rust cleaning efficiency and quality. Wherein, advance sand coupling 8 and advance sand union coupling through screw thread 6. The lower end of the sand inlet pipe is connected with a spray gun, the bottom plate 17 of the sealing chamber is provided with one or more mounting holes, the mounting holes are communicated with the inner cavities of the sealing chamber and the middle sand blasting chamber, the mounting holes are used for mounting the spray gun in a sealing mode, for example, a sealing ring is arranged in the mounting holes, and therefore sealing mounting of the spray gun is achieved, and sealing of the sealing chamber is guaranteed.
The rotation bearing 13 of the seal chamber 14 is required to be concentric with the sand inlet bearing 10 on the connection end cover 5 at the upper part of the blasting chamber 1, thereby improving the sealing property and reducing the resistance to the rotation of the blasting gun.
One or more mounting holes are formed in the lower end of the sealing chamber 14, so that various sand blasting derusting guns with different specifications can be conveniently mounted.
The middle part sand blasting chamber 2 is provided with a hole in the middle of the side surface and is fixedly connected with a sand return pipe joint 9, and the sand return pipe joint 9 is arranged in a horn-shaped shape, so that the abrasive material, rust and the like can be effectively recovered in the sand blasting and rust removing process. The middle part sand blasting chamber 2 upper end is connected with the upper part sand blasting chamber 1, and the lower extreme is connected with the lower part sand blasting chamber 3.
The lower sand blasting chamber 3 can be connected with the robot body through the robot body connecting bearing 16 in the circumferential direction, the robot body connecting bearing can be connected to ensure that the resistance of the welding seam surplus height to the robot advancing in the sand blasting process can be reduced as much as possible, the robot body connecting bearing can be connected to ensure that the sand feeding pipe, the sand return pipe, the control cable and the like are always positioned vertically downwards at the center of the robot body when the robot transversely and longitudinally travels, the sand feeding pipe, the sand return pipe and the control cable are prevented from generating additional moment due to offset, and the effective load and the operation safety of the robot are improved. The lower end of the lower sand blasting chamber 3 is connected with a brush 4.
The annular brush 4 comprises a framework and bristles fixed on the framework, and the framework is connected with the brush seat 18; the annular brush 4 is connected with the body through an elastic connecting sleeve; the elastic connecting sleeve is provided with a folding part which is positioned between the body and the brush. The end part of the elastic connecting sleeve connected with the annular hairbrush is in a bell mouth shape, the framework is nested on the elastic connecting sleeve, and the bristles extend out of the elastic connecting sleeve along the bell mouth.
The embodiment is mainly used for the automatic sand blasting process, in the sand blasting process, the grinding materials moving at a high speed are pushed to the cavity of the sealing cover for automatic sand blasting and rust removal through the sand inlet pipe, the whole sand blasting process is carried out in the closed cavity, the grinding materials accelerated by the spray gun impact the surface of a workpiece to rebound, the grinding materials are recycled based on vacuum negative pressure, scrap iron and oil dirt are recycled through the sand return pipe, the grinding materials, dust and rust dirt are recycled nearly 100% under proper negative pressure, the recycled grinding materials are separated and recycled, the utilization rate of the grinding materials is nearly 98%, the utilization rate of the grinding materials is improved, the cost is greatly reduced, the environment-friendly operation of the whole sand blasting process is also realized, and the pollution of the conventional open sand blasting method to the health of a human body 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 mechanism, preventing the mechanism from being blocked and improving the safety and the reliability of the system.
The diameter of the whole sealing cover chamber for automatic sand blasting rust removal can reach 250-300mm or more, the size of the sand blasting chamber far exceeds that of a manual sealing sand blasting chamber, the single rust removal width is between 100-300mm, 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. 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 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 or 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. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (4)
1. A sealed cowling for automatic sandblast rust cleaning, its characterized in that includes:
the sand-returning pipe joint is arranged on one side of the middle sand-blasting chamber and communicated with an inner cavity of the middle sand-blasting chamber;
a lower sand blasting chamber, wherein the upper part of the lower sand blasting chamber is connected with the lower part of the middle sand blasting chamber, and the inner cavity of the lower sand blasting chamber is communicated with the inner cavity of the middle sand blasting chamber;
a brush disposed at a lower portion of the lower blasting chamber;
the lower part of the upper sand blasting chamber is connected with the upper part of the middle sand blasting chamber, and the inner cavity of the upper sand blasting chamber is communicated with the inner cavity of the middle sand blasting chamber;
the sand feeding mechanism is arranged on the upper sand blasting chamber and communicated with an inner cavity of the upper sand blasting chamber;
a rotating mechanism disposed within the upper sandblasting chamber;
the driving mechanism is arranged on the upper sand blasting chamber and is connected with the rotating mechanism;
the robot also comprises a robot body connecting bearing;
the lower sand blasting chamber can be connected with the robot body in the circumferential direction through the robot body connecting bearing;
the robot body connecting bearing comprises a ball bearing and/or a plane bearing;
the sand feeding mechanism includes:
a connection end cap disposed on the upper sandblasting chamber, the connection end cap communicating with an inner cavity of the upper sandblasting chamber;
one end of the sand inlet pipe joint is communicated with the connecting end cover;
the sand inlet bearing is arranged at the upper part of the rotating bearing;
the rotating mechanism includes:
a seal chamber disposed within the upper sandblasting chamber;
the rotary bearing sleeve is arranged on the outer side of the sealing chamber, and the sand inlet bearing and the rotary bearing are coaxially arranged;
the connection realized by the robot body connecting bearing is used for ensuring that the resistance of the robot to the travel of the robot due to the weld reinforcement is reduced in the sand blasting process of the robot, and the connection realized by the robot body connecting bearing also ensures that a sand inlet pipe, a sand return pipe, a control cable and the like are always positioned in the center of the robot body and vertically downwards when the robot travels transversely and longitudinally, so that the sand inlet pipe, the sand return pipe and the control cable are prevented from being biased to generate additional torque, and the effective load and the operation safety of the robot are improved;
the sealing cover for automatic sand blasting and rust removing is characterized in that in the sand blasting process, a sand inlet pipe is used for pushing abrasive materials moving at a high speed into a cavity of the sealing cover for automatic sand blasting and rust removing, the whole sand blasting process is carried out in the cavity, the abrasive materials accelerated by a spray gun impact the surface of a workpiece to rebound, the abrasive materials, iron filings and oil stains are recovered through a sand return pipe based on vacuum negative pressure, and the recovered abrasive materials are separated and circulated and can be reused;
the sealing cover for automatic sand blasting rust removal has the abrasive utilization rate of 98 percent, the diameter of the sealing cover chamber for automatic sand blasting rust removal reaches 250-300mm, the single rust removal width is between 100-300mm, and the flow of compressed air for conveying the abrasive is 8m3The rust removal efficiency is more than 20m2/h；
The sealing cover for automatic sand blasting and rust removing is a sand blasting and rust removing sealing cover for automatically polishing and sand blasting and rust removing large joints on the surface of a ship body.
2. The seal cover for automatic sand blasting rust removal according to claim 1, wherein the driving mechanism comprises:
the motor is arranged on the upper sand blasting chamber, and the working end of the motor extends into the upper sand blasting chamber;
a first drive gear disposed on a working end of the motor;
a second drive gear disposed on the sealed chamber, the second drive gear meshing with the first drive gear.
3. The seal cover for automatic sand blasting and rust removing as defined in claim 1, wherein the sand return pipe joint is flared.
4. The sealing cover for automatic sand blasting and rust removing as claimed in claim 1, wherein the bottom plate of the sealing chamber is provided with one or more mounting holes, the mounting holes are communicated with the inner cavities of the sealing chamber and the middle sand blasting chamber, and the mounting holes are used for mounting sand blasting and rust removing guns in a sealing manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610579925.5A CN107639547B (en) | 2016-07-21 | 2016-07-21 | Sealing cover for automatic sand blasting and rust removing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610579925.5A CN107639547B (en) | 2016-07-21 | 2016-07-21 | Sealing cover for automatic sand blasting and rust removing |
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| CN107639547A CN107639547A (en) | 2018-01-30 |
| CN107639547B true CN107639547B (en) | 2020-06-12 |
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| CN201610579925.5A Active CN107639547B (en) | 2016-07-21 | 2016-07-21 | Sealing cover for automatic sand blasting and rust removing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113492364A (en) * | 2021-08-02 | 2021-10-12 | 张燕燕 | Pre-buried exposing reinforcing bar rust cleaning device of building engineering |
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|---|---|---|---|---|
| EP0384873A1 (en) * | 1989-02-24 | 1990-08-29 | Christian Diat | Apparatus for cleaning building-walls |
| CN2399161Y (en) * | 1999-12-03 | 2000-10-04 | 王则豪 | Vacuum peening machine |
| CN202895016U (en) * | 2012-09-14 | 2013-04-24 | 东莞市联发铸造有限公司 | Sand blasting machine |
| CN103537987A (en) * | 2012-07-17 | 2014-01-29 | 日成总业株式会社 | Shot blasting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100594833C (en) * | 2008-01-08 | 2010-03-24 | 合肥通用机械研究院 | Tall building climbing wall water cleaning method and complete equipment thereof |
| CN101612731B (en) * | 2009-07-23 | 2010-12-01 | 哈尔滨工业大学 | Compact-type active driving wheel device for wall-climbing robots |
| CN202572167U (en) * | 2012-04-10 | 2012-12-05 | 中国海洋石油总公司 | Special spray head for circular sand-blasting and derusting device of external pipeline weld |
| KR101584486B1 (en) * | 2015-07-01 | 2016-01-11 | 부림산업개발(주) | Surface treatment method for using a surface treatment apparatus and the same steel |
-
2016
- 2016-07-21 CN CN201610579925.5A patent/CN107639547B/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 |
| CN2399161Y (en) * | 1999-12-03 | 2000-10-04 | 王则豪 | Vacuum peening machine |
| CN103537987A (en) * | 2012-07-17 | 2014-01-29 | 日成总业株式会社 | Shot blasting device |
| CN202895016U (en) * | 2012-09-14 | 2013-04-24 | 东莞市联发铸造有限公司 | Sand blasting machine |
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| CN107639547A (en) | 2018-01-30 |
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