CN117772476A - A smooth device for bank of tubes outer wall coating - Google Patents
A smooth device for bank of tubes outer wall coating Download PDFInfo
- Publication number
- CN117772476A CN117772476A CN202410219112.XA CN202410219112A CN117772476A CN 117772476 A CN117772476 A CN 117772476A CN 202410219112 A CN202410219112 A CN 202410219112A CN 117772476 A CN117772476 A CN 117772476A
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- fixedly arranged
- scraping plate
- support
- movement driving
- horizontal
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- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- 238000007790 scraping Methods 0.000 claims abstract description 34
- 238000009499 grossing Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 9
- 238000004372 laser cladding Methods 0.000 description 6
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of surface spraying, in particular to a smoothing device for a coating on the outer wall of a tube bank; the flattening device comprises a bearing table and a flattening assembly, wherein the bearing table is provided with a containing space for containing a tube row and a guide rail positioned beside the containing space; the smoothing component comprises a stand column and a scraping plate, and the scraping plate is connected to the stand column in a sliding manner and can lift along the stand column; the scraping plate is of a strip-shaped structure, extends along the horizontal direction and is perpendicular to the guiding direction of the guide rail, the lower end part of the scraping plate is provided with a contact part, and the shape of the contact part is adapted to the shape of the pipe row; the upright post is connected with the guide rail in a sliding way. This smooth device can smooth each pipe of bank of tubes simultaneously, and smooth the process to each pipe and unify mutually, can realize smooth the homogeneity of bank of tubes, has improved the operating efficiency.
Description
Technical Field
The invention relates to the technical field of surface spraying, in particular to a smoothing device for a coating on the outer wall of a tube bank.
Background
In the long-term use process of the power generation boiler, serious corrosion phenomenon can occur in the tube bank, the range of the corrosion layer on the tube bank can be enlarged over time, so that the normal use of the tube bank is affected, most of the power generation boiler can be coated with an anti-corrosion or corrosion-resistant coating for preventing the tube bank of the boiler from being affected by corrosion, so that a certain corrosion-resistant effect is achieved on the tube bank, and the service life of the tube bank is prolonged.
At present, most of corrosion-resistant treatment of a tube bank adopts a laser cladding operation mode to form a corrosion-resistant layer on the outer wall of the tube bank so as to improve the service cycle of the tube bank, and before laser cladding, the thickness of a coating on the tube bank is required to be detected and smoothed, so that uneven and inconsistent thickness of the corrosion-resistant layer formed after cladding is avoided, the corrosion-resistant effect is greatly reduced, no equipment specially aiming at detecting and smoothing the thickness of the coating of the tube bank is available in the prior art, the detection can only be carried out manually by manpower, and single tubes are respectively smoothed, but due to the large number of tubes of the tube bank, the tubes are longer, and the operation efficiency is low.
Disclosure of Invention
The invention aims to provide a smoothing device for a tube bank outer wall coating, which is used for solving the technical problem of low powder smoothing operation efficiency of the tube bank outer wall coating in the laser cladding process.
The invention provides a smoothing device for a coating on the outer wall of a tube bank, which comprises the following components:
the bearing table is provided with a containing space for containing the tube row and a guide rail positioned beside the containing space;
the smoothing assembly comprises a stand column and a scraping plate, wherein the scraping plate is connected with the stand column in a sliding manner and can be lifted along the stand column; the scraping plate is of a strip-shaped structure, extends along the horizontal direction and is perpendicular to the guiding direction of the guide rail, the lower end part of the scraping plate is provided with a contact part, and the shape of the contact part is matched with that of the pipe row; the upright post is connected with the guide rail in a sliding way.
Optionally, the scraping plate is further provided with a guiding part and a collecting part, and the contact part, the guiding part and the collecting part are sequentially and fixedly arranged; the contact part is used for conveying scraped coating powder to the collecting part through the guiding part.
Optionally, the contact part comprises a plurality of concave cambered surfaces and a plurality of horizontal connecting surfaces, and the opening of the concave cambered surfaces faces downwards; the concave cambered surface and the horizontal connecting surface are sequentially arranged at intervals along the extending direction of the scraping plate, and the adjacent concave cambered surface and the horizontal connecting surface are fixedly arranged; the horizontal connecting surface and the concave cambered surface are fixedly arranged at one end of the guide part, and the collecting part is fixedly connected with the other end of the guide part.
Optionally, the upper surface of the guiding part is of a convex cambered surface structure, and the upper surface of the collecting part is of a U-shaped surface structure.
Optionally, the smoothing assembly further comprises a vertical movement driving piece, the vertical movement driving piece is installed on the upright post, and a power output end of the vertical movement driving piece is fixedly arranged on the scraping plate.
Optionally, the smoothing component further comprises a slot fixedly arranged on the side wall of the upright post, and a graduated scale is inserted into the slot.
Optionally, the guide rail sliding connection in the slider, the bottom of stand set firmly in the slider, the slider transmission is connected with horizontal migration driving piece, horizontal migration driving piece install in the plummer.
Optionally, the vertical movement driving piece is an air cylinder, a hydraulic cylinder or a linear motor;
the horizontal movement driving piece is an air cylinder, a hydraulic cylinder or a linear motor;
the lateral wall of plummer is equipped with the controller, vertical removal driving piece with the horizontal migration driving piece all with the controller electricity is connected.
Optionally, the pipe rack further comprises a plurality of supporting components, wherein the supporting components comprise supporting columns fixedly arranged on the bearing table, the supporting columns are vertically arranged, supporting frames are fixedly arranged at the upper ends of the supporting columns, and supporting surfaces of the supporting frames are coplanar and are horizontal planes and used for supporting the pipe rows.
Optionally, the support column comprises a support sleeve and an inserting rod sleeved on the support sleeve in a sliding manner, the bottom end of the support sleeve is fixedly arranged on the bearing table, and the top end of the inserting rod is fixedly arranged on the support frame;
the support sleeve and the inserted link are provided with positioning holes, and the two positioning holes are connected through the positioning link.
The flattening device for the outer wall coating of the pipe row has the following beneficial effects:
in the laser cladding process, the scraping plate can be adjusted to a proper height, the contact part of the scraping plate is just above the tube bank, the shape of the contact part is matched with the shape of the outer side wall of the tube bank, the contact part synchronously moves along the tube axis direction of the tube bank along with the upright post under the guiding action of the guide rail, in the moving process, the contact part can scrape powder with uneven thickness on the outer side wall of the tube bank, the scraping is not horizontal plane leveling, but the powder thickness on the outer side wall of the tube bank is kept consistent as much as possible, and therefore, the flattening device for the coating on the outer wall of the tube bank can synchronously smooth all tubes of the tube bank and unify the flattening process of all the tubes, so that the uniformity flattening of the tube bank can be realized and the operation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of one angle of a smoothing device for a coating on the outer wall of a tube bank according to an embodiment of the present invention;
FIG. 2 is a schematic view of a schematic perspective view of another angle of a smoothing device for coating the outer wall of a tube bank according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a smoothing assembly according to an embodiment of the present invention;
FIG. 4 is a schematic front view of a screed according to an embodiment of the present invention;
FIG. 5 is a schematic side view of a scraper in accordance with an embodiment of the invention;
FIG. 6 is a schematic perspective view of a scraper according to an embodiment of the present invention;
FIG. 7 is a schematic operation diagram of a smoothing device for coating the outer wall of a tube bank according to an embodiment of the present invention.
Reference numerals illustrate:
1-a bearing table; 101-a controller;
2-a support assembly; 201-supporting sleeve; 2011-positioning holes; 202-positioning a rod;
203-inserting a rod; 204-supporting frames;
301-horizontally moving the driving member; 302-connecting plates;
303-a slider; 304-a guide rail;
4-smoothing the assembly; 401-upright posts; 402-vertical movement drive;
403-scraping plate; 4031-concave cambered surface; 4032-horizontal joint surface; 4033-a guide;
4034—a collection section; 404-graduated scale; 405-slot;
5-tube rows.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
The embodiment of the invention provides a smoothing device for a tube bank outer wall coating, which is applied to a boiler tube bank laser cladding process as shown in figures 1-7 and used for smoothing spraying powder on the surface of a tube bank, and comprises the following steps: a carrying platform 1 and a smoothing assembly 4, wherein the carrying platform 1 is provided with a containing space for placing a tube row and a guide rail 304 positioned beside the containing space; the smoothing assembly 4 comprises a stand column 401 and a scraping plate 403, wherein the scraping plate 403 is connected to the stand column 401 in a sliding manner and can be lifted along the stand column 401; the scraping plate 403 is of a strip-shaped structure, extends along the horizontal direction and is perpendicular to the guiding direction of the guide rail 304, the lower end part of the scraping plate 403 is provided with a contact part, and the shape of the contact part is adapted to the pipe row; the upright 401 is slidably connected to the rail 304.
In the laser cladding process, the scraper 403 can be adjusted to a proper height, the contact part of the scraper 403 is just above the tube bank 5, the shape of the contact part is adapted to the shape of the outer side wall of the tube bank, the contact part moves along the tube axis direction of the tube bank 5 synchronously along with the upright post 401 under the guiding action of the guide rail 304, in the moving process, the contact part can scrape the powder with uneven thickness on the outer side wall of the tube bank 5, the scraping is not horizontal plane leveling, but ensures that the powder thickness on the outer side wall of the tube bank 5 is kept consistent as much as possible, therefore, the flattening device for the coating on the outer wall of the tube bank can simultaneously smooth all tubes of the tube bank 5, and the flattening process of all the tubes is uniform, so that the uniformity of flattening the tube bank can be realized, and the operation efficiency is improved.
In the embodiment of the present invention, the scraping plate 403 further has a guiding portion 4033 and a collecting portion 4034, and the contact portion, the guiding portion 4033 and the collecting portion 4034 are sequentially fixed, and the contact portion is used for conveying the scraped coating powder to the collecting portion 4034 through the guiding portion 4033. Specifically, the contact portion, the guide portion 4033, and the collecting portion 4034 may be of an integral structure. As shown in fig. 7, in the process of scraping the coating, the scraper 403 accumulates and spreads the excessive coating powder on the coating above the contact portion along with the movement of the contact portion, although the scraped coating powder is more and more, the scraped coating powder at the rear pushes the coating powder scraped at the front to move on and move onto the guiding portion 4033, and the collecting portion 4034 provided at the end of the guiding portion 4033 can collect the coating powder, so that the situation that the coating powder falls on the top of the carrying table 1 is reduced or even avoided.
Specifically, as shown in fig. 6, the contact portion includes a plurality of concave arc surfaces 4031 and a plurality of horizontal connecting surfaces 4032, and the opening of the concave arc surfaces 4031 is downward; along the extending direction of the scraping plate 403, the concave arc surface 4031 and the horizontal connecting surface 4032 are sequentially arranged at intervals, and the adjacent concave arc surface 4031 and the adjacent horizontal connecting surface 4032 are fixedly arranged, namely, one concave arc surface 4031 is arranged between the adjacent two horizontal connecting surfaces 4032, the concave arc surface 4031 is used for smoothing coating powder on the upper surface of the outer tube of the tube bank 5, and the horizontal connecting surface 4032 is used for smoothing coating powder in a gap between the adjacent two tubes; the horizontal connecting surface 4032 and the concave cambered surface 4031 are fixedly arranged at one end of the guiding part 4033, and the collecting part 4034 is fixedly connected with the other end of the guiding part 4033; by this arrangement, the scraper 403 can be better adapted to the outer wall surface of each tube on the tube bank 5. The upper surface of the guiding portion 4033 is of a convex arc surface structure so that the coating powder can be accurately guided into the collecting portion 4034, the upper surface of the collecting portion 4034 is of a U-shaped surface structure so that the powder coating can be conveniently intercepted in the collecting portion 4034, the coating powder is prevented from leaking, and the condition that the coating powder falls to the bearing table 1 is reduced or even avoided.
In the embodiment of the present invention, the leveling assembly 4 further includes a vertical movement driving member 402, the vertical movement driving member 402 is installed on the upright 401, and a power output end of the vertical movement driving member 402 is fixed to the scraping plate 403. By the arrangement, the lifting of the scraping plate 403 can be automatically controlled, the height and position accuracy of the scraping plate 403 is ensured, and the working efficiency is further improved.
In the embodiment of the present invention, the leveling component 4 further includes a slot 405 fixedly disposed on a side wall of the upright 401, and a scale 404 is inserted into the slot 405. When detecting and smoothing the thickness of the coating on the outer side of the tube bank 5, only the scales on the graduated scale 404 are needed to observe whether the thicknesses of the coatings on the outer side of each tube on the tube bank 5 are uniform, if not, the control smoothing component 4 can smooth the coatings, and the operation efficiency is further improved.
In the embodiment of the invention, a guide rail 304 is slidably connected to a slider 303, the bottom end of a stand column 401 is fixedly arranged on the slider 303, the slider 303 is in transmission connection with a horizontal movement driving member 301, and the horizontal movement driving member 301 is installed on a bearing table 1. By the arrangement, the upright post 401 can be automatically controlled to drive the scraping plate 403 to move along the pipe axis direction of the pipe row, and the acting speed of the scraping plate 403 can be controlled, so that the working quality and efficiency are improved. Specifically, the power output end of the horizontal movement driving member 301 and the sliding block 303 can be fixedly connected together through the connecting plate 302.
It should be noted that, in the embodiment of the present invention, the vertical movement driving member 402 is an air cylinder, a hydraulic cylinder or a linear motor; the horizontal movement driving member 301 is a cylinder, a hydraulic cylinder or a linear motor; the outer side wall of the bearing table 1 is provided with a controller 101, and the vertical movement driving piece 402 and the horizontal movement driving piece 301 are electrically connected with the controller 101. It should be noted that, in the technical solution of this embodiment, the controller, the air cylinder and the linear motor may be purchased in the market, and the mutual communication relationship between each component includes electrical connection and signal connection, which all belong to conventional technical means in industrial automation control, and the technical solution in this embodiment does not involve improvement of the procedures of each component.
In the embodiment of the invention, the pipe rack comprises a plurality of supporting components 2, wherein the supporting components 2 comprise supporting columns fixedly arranged on the bearing table 1, the supporting columns are vertically arranged, the upper ends of the supporting columns are fixedly provided with supporting frames 204, the supporting surfaces of the supporting frames 204 are coplanar and are horizontal planes, and the supporting frames 204 are positioned right above the accommodating space and are used for supporting the pipe rack 5. By the arrangement, abrasion to the bearing table in the process can be avoided.
In the embodiment of the invention, the support column comprises a support sleeve 201 and an inserting rod 203 which is sleeved on the support sleeve 201 in a sliding way, the bottom end of the support sleeve 201 is fixedly arranged on the bearing table 1, and the top end of the inserting rod 203 is fixedly arranged on the support frame 204; the supporting sleeve 201 and the inserted link 203 are provided with positioning holes 2011, and the two positioning holes 2011 are connected through the positioning link 202. So set up, guarantee the highly reliable adjustment of bank of tubes 5, the space between support frame 204 and the supporting body 1 can put the collection tube in the bottom of bank of tubes 5 to the rational utilization operation space.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
the supporting component that plummer top both ends set up can support the bank of tubes on the plummer, and the guide rail and the slider that are located two supporting component one sides realize smoothing the subassembly and carry out straight reciprocating motion at the top of plummer, detect at the pipeline outside coating thickness and smooth at ordinary times, only need observe whether the thickness of coating is even unanimous through the scale, if uneven unanimity then control smooth the subassembly smooth to the coating can, can realize automatic smoothing, improved the operating efficiency.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "front", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "mounted" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A smoothing device for a tube bank outer wall coating, comprising:
the bearing table (1) is provided with a containing space for containing the tube row and a guide rail (304) positioned beside the containing space;
the leveling assembly (4) comprises a stand column (401) and a scraping plate (403), wherein the scraping plate (403) is connected to the stand column (401) in a sliding manner and can be lifted along the stand column (401); the scraping plate (403) is of a strip-shaped structure, extends along the horizontal direction and is perpendicular to the guiding direction of the guide rail (304), the lower end part of the scraping plate (403) is provided with a contact part, and the shape of the contact part is adapted to the pipe row; the upright (401) is slidingly connected to the guide rail (304).
2. The smoothing device according to claim 1, characterized in that the scraper (403) further has a guiding portion (4033) and a collecting portion (4034), the contacting portion, the guiding portion (4033) and the collecting portion (4034) being fixed in sequence; the contact part is used for conveying scraped coating powder to the collecting part (4034) through the guiding part (4033).
3. The pacifier device of claim 2, wherein said contact portion comprises a plurality of concave curved surfaces (4031) and a plurality of horizontal connecting surfaces (4032), said concave curved surfaces (4031) opening downwardly; along the extending direction of the scraping plate (403), the concave cambered surface (4031) and the horizontal connecting surface (4032) are sequentially arranged at intervals, and the adjacent concave cambered surface (4031) and the horizontal connecting surface (4032) are fixedly arranged; the horizontal connecting surface (4032) and the concave arc surface (4031) are fixedly arranged at one end of the guide part (4033), and the collecting part (4034) is fixedly arranged at the other end of the guide part (4033).
4. A pacifier according to claim 3, wherein the upper surface of the guide portion (4033) is of convex arc surface configuration and the upper surface of the collector portion (4034) is of U-shaped configuration.
5. The pacifying device according to claim 4, characterized in that the pacifying assembly (4) further comprises a vertical movement driving piece (402), the vertical movement driving piece (402) is installed on the upright post (401), and a power output end of the vertical movement driving piece (402) is fixedly arranged on the scraping plate (403).
6. The pacifying device as set forth in claim 5, characterized in that the pacifying component (4) further comprises a slot (405) fixedly arranged on the side wall of the upright post (401), and a graduated scale (404) is inserted into the slot (405).
7. The smoothing device according to claim 5 or 6, characterized in that the guide rail (304) is slidably connected to the slider (303), the bottom end of the upright (401) is fixedly arranged on the slider (303), the slider (303) is in transmission connection with a horizontal movement driving member (301), and the horizontal movement driving member (301) is mounted on the carrying table (1).
8. The pacifier device according to claim 7, wherein said vertical movement drive (402) is a cylinder, a hydraulic cylinder or a linear motor;
the horizontal movement driving piece (301) is an air cylinder, a hydraulic cylinder or a linear motor;
the outer side wall of the bearing table (1) is provided with a controller (101), and the vertical movement driving piece (402) and the horizontal movement driving piece (301) are electrically connected with the controller (101).
9. The leveling device according to any one of claims 1-6, further comprising a plurality of support assemblies (2), wherein the support assemblies (2) comprise support columns fixedly arranged on the bearing table (1), the support columns are vertically arranged, support frames (204) are fixedly arranged on the upper ends of the support columns, and the support surfaces of the support frames (204) are coplanar and are horizontal planes for supporting the tube rows.
10. The leveling device according to claim 9, wherein the support column comprises a support sleeve (201) and a plug rod (203) which is sleeved on the support sleeve (201) in a sliding manner, the bottom end of the support sleeve (201) is fixedly arranged on the bearing table (1), and the top end of the plug rod (203) is fixedly arranged on the support frame (204);
the support sleeve (201) and the inserted link (203) are provided with positioning holes (2011), and the two positioning holes (2011) are connected through the positioning link (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410219112.XA CN117772476A (en) | 2024-02-28 | 2024-02-28 | A smooth device for bank of tubes outer wall coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410219112.XA CN117772476A (en) | 2024-02-28 | 2024-02-28 | A smooth device for bank of tubes outer wall coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117772476A true CN117772476A (en) | 2024-03-29 |
Family
ID=90393112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410219112.XA Pending CN117772476A (en) | 2024-02-28 | 2024-02-28 | A smooth device for bank of tubes outer wall coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117772476A (en) |
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| CN115555161A (en) * | 2022-11-15 | 2023-01-03 | 南通如日纺织有限公司 | Coated fabric production equipment with uniform coating thickness |
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| JP2005103382A (en) * | 2003-09-29 | 2005-04-21 | Hibi:Kk | Coating film formation apparatus |
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