CN109318132B - Oblique limiting roller for conveying metal belt or plate and sand blasting cleaning device - Google Patents
Oblique limiting roller for conveying metal belt or plate and sand blasting cleaning device Download PDFInfo
- Publication number
- CN109318132B CN109318132B CN201811434614.5A CN201811434614A CN109318132B CN 109318132 B CN109318132 B CN 109318132B CN 201811434614 A CN201811434614 A CN 201811434614A CN 109318132 B CN109318132 B CN 109318132B
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- China
- Prior art keywords
- roller
- supporting shaft
- oblique
- inclined plane
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title claims abstract description 39
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 238000005488 sandblasting Methods 0.000 title claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 14
- 239000003082 abrasive agent Substances 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000001154 acute effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 34
- 239000010959 steel Substances 0.000 description 34
- 239000004576 sand Substances 0.000 description 9
- 239000011324 bead Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B24C9/003—Removing abrasive powder out of the blasting machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The invention discloses an oblique limiting roller for conveying a metal belt or a plate and a sand blasting cleaning device, wherein the oblique limiting roller comprises a supporting shaft (3), bearings (5) and a roller (6), the roller (6) is radially positioned on the supporting shaft (3) through the bearings (5) arranged at two ends of the roller, and a bending channel for blocking abrasive materials to slow down and throwing out the abrasive materials under the action of centrifugal force is arranged between the supporting shaft (3) and the lower end of the roller (6). The invention has simple and compact structure, low cost, difficult clamping stagnation of the bearing when used in the sand blasting cleaning unit, simple replacement and long service life.
Description
Technical Field
The invention relates to the technical field of sand blasting cleaning equipment, in particular to an oblique limiting roller and a sand blasting cleaning device, wherein the oblique limiting roller is used for obliquely conveying and limiting metal bands/plates in the sand blasting cleaning process, and the edges are the upper surface and the lower surface or the thickness of the metal bands/plates.
Background
In the existing high-pressure water jet sand blasting cleaning production line for metal strips (plates), high-concentration abrasive jet sprayed by a spray head is mainly used for descaling and derusting the surfaces of the metal strips (plates), and abrasive is splashed everywhere when sand blasting cleaning operation is carried out in a cleaning unit. At present, when cleaning the steel belt, the steel belt acid-free cleaning equipment for cleaning the steel belt not only adopts a horizontal conveying mode, but also adopts an oblique conveying mode along with the increase of the width specification of the steel belt. On the basis of increasingly mature and perfect high-pressure water jet sand blasting cleaning technology, the main cleaning units are connected in series to perform sand blasting cleaning on the upper surface and the lower surface of a metal belt (plate) twice, so that the cleaning efficiency and the cleaning speed are greatly improved, and the tension requirement on the belt in a metal belt high-pressure water jet sand blasting cleaning production line is increased during cleaning, so that when the upper surface of the steel belt is cleaned through sand blasting, the lower surface of the steel belt and a limiting supporting plate are scratched due to downward impact force, and then the lower surface scratch phenomenon of the steel belt is caused. In the same way, when the lower surface of the steel belt is cleaned by sand blasting, the upper surface of the steel belt is scratched by the limiting supporting plate due to upward impact force, so that the upper surface of the steel belt is scratched.
For solving the scratch phenomenon of the belt surface, for a metal belt (plate) material cleaning unit for oblique conveying, a commonly adopted solution is to additionally install a limiting roller on a limiting supporting plate so as to reduce or prevent the contact between the surface of a steel (plate) belt and the limiting supporting plate, thereby better solving the surface scratch phenomenon generated when the surface of the steel (plate) belt is subjected to sand blasting operation. On the other hand, due to the increase of the width specification and the increase of the thickness of the steel belt, more oblique belt limit rollers are additionally arranged on the side where the thickness of the steel belt is positioned in order to ensure the stability of the steel belt during oblique conveying. However, due to the existence of the scattering phenomenon of the abrasive materials around during sand blasting cleaning, the oblique limiting roller used for oblique conveying, whether the belt surface or the belt edge, has the problems of poor bearing tightness, easy blocking, short service life, frequent replacement and the like, thereby damaging the upper and lower surfaces or the belt edge of the steel belt to influence the subsequent cold rolling and other processes.
Whether the metal strip is cleaned by utilizing a metal strip high-pressure water jet sand blasting cleaning production line or a metal sheet is cleaned, the problem of limiting rollers on the surface or the edge of the strip during oblique conveying always prevents the improvement of the efficiency of the steel (plate) strip acid-free cleaning equipment and the further popularization of the equipment.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defect of sand prevention/steel shot capability of the conventional oblique limiting roller in a sand blasting cleaning unit, and providing the oblique limiting roller for conveying metal strips or plates with abrasive materials such as sand prevention/steel shot and the like and the sand blasting cleaning device, wherein a bearing is not easy to be blocked, and the service life is long.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a spacing running roller of slant for strap or panel is carried, includes back shaft, bearing and running roller, and the running roller is radially located on the back shaft through the bearing of installing at its both ends, is equipped with between back shaft and running roller lower extreme and blocks the abrasive material and make it slow down, and make abrasive material throw away with the help of centrifugal force effect the bending channel.
Further, the roller cover is closely covered on the upper end face of the roller, and the upper end of the roller is completely sealed.
Further, the bending channel is formed by combining a convex rib arranged on the supporting shaft and a groove arranged on the roller.
Further, the back shaft is provided with first bead and the second bead of its top along circumference, forms first recess between first bead and the second bead, is equipped with the second recess near the inboard of centre bore at the running roller lower extreme, and first recess and second recess are crisscross to detain mutually and form the passageway of buckling.
Further, the bending channel is S-shaped.
Further, the boundary of the bending channel comprises a plurality of inclined planes for reducing the rebound speed of the abrasive.
Further, the inclined plane comprises a supporting shaft inclined plane on the supporting shaft and a roller inclined plane on the roller, and the supporting shaft inclined plane and the supporting shaft center line OI 1 The included angle is an acute angle, and the inclined plane of the roller and the center line OI of the roller 2 The included angle is an acute angle.
Further, the inclined surface of the supporting shaft comprises a 1 st inclined surface and a 3 rd inclined surface which form the side wall of the first groove, and a 5 th inclined surface which forms the upper side surface of the second convex rib; the roller inclined plane comprises a 2 nd inclined plane and a 4 th inclined plane which form the side wall of the second groove.
Further, the oblique limiting roller is an oblique belt surface limiting roller without a limiting groove or an oblique belt edge limiting roller with a limiting groove.
The invention also provides a sand blasting cleaning device which comprises a limiting roller for conveying the metal belt or the plate, wherein the limiting roller adopts the inclined limiting roller.
The sand prevention sealing effect of the oblique limiting roller is mainly realized by a plurality of rebound deceleration surfaces formed by mutually staggering a plurality of inclined planes (the inclined planes at the lower end of the roller and the inclined planes at the lower side of the supporting shaft) on the bending channel, so that the speed of sand/steel shots after rebound for many times is reduced, and the bearing can be protected from being directly hit by the sand/steel shots moving at high speed. The form that the inclined plane from the top down inclines makes the sand/steel shot that gets into from the upside gap be convenient for throw away from the gap under the effect of centrifugal force, has reduced sand/steel shot and has piled up in the bearing outside gap to prevent bearing and sealing ring receive the wearing and tearing of sand/steel shot, thereby realize the sand control effect to the spacing running roller bearing of slant, reduce the dead phenomenon of bearing card, guarantee the normal use of the spacing running roller of slant, prolong its life.
The oblique limiting roller comprises an oblique belt surface limiting roller without limiting grooves and an oblique belt edge limiting roller with limiting grooves, and can be used for limiting each side surface during oblique conveying of metal belt (plate) materials and limiting corresponding side surfaces during horizontal or vertical conveying of the metal belt (plate) materials. The oblique belt surface limiting roller can be used for limiting two side surfaces of the width of the metal belt (plate) when the metal belt (plate) is vertically conveyed, and the oblique belt edge limiting roller can be used for limiting two side surfaces of the thickness of the metal belt (plate) when the metal belt (plate) is horizontally conveyed.
The oblique limiting roller for conveying the metal belt/plate has the advantages of simple and compact structure, low cost, difficult blocking of the bearing when used in a sand blasting cleaning unit, simple replacement and long service life.
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 in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall cross-sectional view of an oblique stop roller in accordance with one embodiment of the present invention;
FIG. 2 is a schematic view of a faceted limit roller;
FIG. 3 is a schematic view of a limit roller with edges;
FIG. 4 is a schematic view of limiting a metal strip (plate) inclined belt surface limiting roller;
FIG. 5 is a schematic view of limiting a metal strip (plate) by a limiting roller with an inclined strip edge;
FIG. 6 is a schematic view of limiting the inclined belt surface limiting roller of the metal belt (plate) during vertical conveying;
fig. 7 is a schematic view of limiting the limit roller of the oblique belt edge when the metal belt (plate) is vertically conveyed.
Legend description:
1. a 1 st nut; 2. a support member; 3. a support shaft; 4. a seal ring; 5. a bearing; 6. a roller; 7. a roller cover; 8. a 2 nd nut; 9. a 5 th inclined plane; 10. a 4 th inclined plane; 11. a 2 nd inclined plane; 12. 1 st inclined plane; 13. a 3 rd inclined plane; 14. oblique belt surface limit roller; 15. oblique limit roller with edge; 16. metal strips (plates); 17. and 6. A6 th inclined plane.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown.
Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the scope of the present invention.
As shown in fig. 1, an oblique limiting roller for oblique conveying of metal strips (plates) according to an embodiment of the present invention includes a 1 st nut 1, a supporting member 2, a supporting shaft 3, a sealing ring 4, a bearing 5, a roller 6, a roller cover 7 and a 2 nd nut 8.
As shown in fig. 1, a support shaft 3 is fixed on a support member 2 through a 1 st nut 1 at the lower end in a threaded connection manner, and a seal ring 4, a bearing 5, a roller 6, a bearing 5 and a 2 nd nut 8 are sequentially installed on the support shaft 3 from bottom to top. The roller 6 is radially positioned on the support shaft 3 by means of bearings 5 mounted at both ends thereof. The roller cover 7 is tightly covered on the upper end face of the roller 6, and is completely sealed on the upper end of the roller 6, so that the bearing 5 on the upper end of the roller is protected from being struck and worn by abrasive materials such as steel shots. The two bearings 5 and the roller 6 on the support shaft 3 are mutually positioned through the shoulder of the support shaft and the 2 nd nut 8, and the roller 6 is axially positioned through the two bearings 5 and realizes rolling.
As shown in fig. 1, in order to prevent the bearing 5 at the lower end from being damaged due to the striking abrasion of the abrasive such as the steel shot, the supporting shaft 3 is provided with a first rib and a second rib above the first rib along the circumferential direction, a first groove is formed between the first rib and the second rib, a second groove is formed at the inner side of the lower end of the roller 6 near the central hole, and the first groove and the second groove are buckled with each other in a staggered manner to form a bending channel. The bending channel is S-shaped, and the boundary of the bending channel comprises a supporting shaft inclined plane on the supporting shaft 3 and a roller inclined plane on the roller 6, and the supporting shaft inclined plane and OI 1 The included angle is an acute angle, the inclined surface of the roller and OI 2 The included angle is an acute angle. The support shaft inclined surface includes a 1 st inclined surface 12 and a 3 rd inclined surface 13 which form the side wall of the first groove, and a 5 th inclined surface 9 which forms the upper side surface of the second rib. The roller bevel comprises a 2 nd bevel 11 and a 4 th bevel 10 forming the side walls of the second groove, and a 6 th bevel 17 outside the lowest end of the roller. The 2 nd inclined surface 11 is axially located between the 1 st inclined surface 12 and the 3 rd inclined surface 13, and the 5 th inclined surface 9 and the 3 rd inclined surface 13 are axially located between the 2 nd inclined surface 11 and the 4 th inclined surface 10. 6 th inclined plane 17 and OI formed by lower end face of roller 6 2 The included angle is an acute angle, and the 6 th inclined surface 17 is axially positioned between the 1 st inclined surface 12 and the 3 rd inclined surface 13.
The 1 st inclined plane 12, the 2 nd inclined plane 11, the 3 rd inclined plane 13, the 4 th inclined plane 10, the 5 th inclined plane 9 and the 6 th inclined plane 17 are arranged between the roller wheel 6 and the supporting shaft 3, and 6 inclined planes are formed to form a plurality of rebound surfaces. When the steel belt acid-free cleaning equipment performs normal operation, the oblique limiting roller installed in the main cleaning unit can be hit by rebound steel shots from all directions. When part of the steel shots enter the gap between the roller 6 and the support shaft 3, the steel shots are subjected to multiple rebound turning and speed reduction due to the existence of multiple rebound surfaces, so that the striking force of the steel shots is reduced, the running path of the steel shots is prolonged, the amount of the steel shots remained in the gap between the roller 6 and the support shaft 3 is reduced, and the damage of the steel shots to the sealing ring 4 or the bearing 5 is reduced.
As shown in fig. 2 and 3, the outer side of the oblique belt surface limiting roller 14 is not provided with a groove, and the outer side of the oblique belt edge limiting roller 15 is provided with a groove.
As shown in fig. 4, when the metal belt (plate) 16 is obliquely conveyed, oblique belt surface limiting rollers 14 are respectively mounted on the upper surface and the lower surface of the metal belt (plate) 16, so that belt surface conveying limiting of the upper surface and the lower surface of the metal belt (plate) 16 in the cleaning unit can be realized.
As shown in fig. 5, when the metal belt (plate) 16 is conveyed in an oblique direction, an oblique belt limit roller is mounted on the bottom surface where the thickness of the lower edge of the belt surface is located, so that the conveying limit of the metal belt (plate) 16 on the bottom edge of the belt surface can be realized.
As shown in fig. 6, when the metal belt (plate) 16 is vertically conveyed, the two sides of the width of the metal belt (plate) can be conveyed and limited by adopting the vertical arrangement mode of two inclined belt surface limiting rollers 14, and the rollers 6 and the roller cover 7 are connected by screws.
As shown in fig. 7, when the metal strip (plate) 16 is conveyed horizontally, two oblique limit rollers 15 are arranged vertically, so that conveying limit can be realized on two side surfaces where the thickness of the metal strip (plate) is located.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (4)
1. The oblique limiting roller for conveying metal strips or plates comprises a supporting shaft (3), bearings (5) and rollers (6), wherein the rollers (6) are radially positioned on the supporting shaft (3) through the bearings (5) arranged at two ends of the supporting shaft, and the oblique limiting roller is characterized in that a bending channel for blocking abrasive materials to slow down and throwing out the abrasive materials under the action of centrifugal force is arranged between the supporting shaft (3) and the lower end of the rollers (6); the roller cover (7) is tightly covered on the upper end face of the roller (6), and the upper end of the roller (6) is completely sealed; the bending channel is formed by a convex rib and a roller wheel which are arranged on the supporting shaft (3)(6) The upper grooves are combined; the support shaft (3) is provided with a first rib and a second rib above the first rib along the circumferential direction, a first groove is formed between the first rib and the second rib, a second groove is formed at the inner side, close to the central hole, of the lower end of the roller (6), and the first groove and the second groove are buckled in a staggered manner to form a bending channel; the boundary of the bending channel comprises a plurality of inclined planes for reducing the rebound speed of the abrasive; the inclined plane comprises a supporting shaft inclined plane on the supporting shaft (3) and a roller inclined plane on the roller (6), and the supporting shaft inclined plane and the supporting shaft center line OI 1 The included angle is an acute angle, and the inclined plane of the roller and the center line OI of the roller 2 The included angle is an acute angle; the supporting shaft inclined plane comprises a 1 st inclined plane (12) and a 3 rd inclined plane (13) which form the side wall of the first groove, and a 5 th inclined plane (9) which forms the upper side surface of the second convex rib; the roller inclined surface comprises a 2 nd inclined surface (11) and a 4 th inclined surface (10) which form the side wall of the second groove.
2. The diagonal spacing roller of claim 1 wherein the bending channel is S-shaped.
3. The oblique limiting roller according to claim 1 or 2, characterized in that the oblique limiting roller is an oblique belt surface limiting roller (14) without a limit groove or an oblique belt edge limiting roller (15) with a limit groove.
4. A sand blasting cleaning device comprising a limiting roller for conveying a metal belt or a plate, wherein the limiting roller adopts the oblique limiting roller according to any one of claims 1 to 3.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434614.5A CN109318132B (en) | 2018-11-28 | 2018-11-28 | Oblique limiting roller for conveying metal belt or plate and sand blasting cleaning device |
| US17/059,292 US20210138607A1 (en) | 2018-05-31 | 2019-05-31 | High-pressure water jet sheet strip sand-blasting descaling cleaning device, cleaning line and system |
| PCT/CN2019/089559 WO2019228507A1 (en) | 2018-05-31 | 2019-05-31 | High-pressure water jet cleaning device for sandblasting and descaling plate strip material, cleaning line and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434614.5A CN109318132B (en) | 2018-11-28 | 2018-11-28 | Oblique limiting roller for conveying metal belt or plate and sand blasting cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109318132A CN109318132A (en) | 2019-02-12 |
| CN109318132B true CN109318132B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811434614.5A Active CN109318132B (en) | 2018-05-31 | 2018-11-28 | Oblique limiting roller for conveying metal belt or plate and sand blasting cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109318132B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210138607A1 (en) * | 2018-05-31 | 2021-05-13 | Changsha Research Institute Of Mining And Metallurgy Co., Ltd. | High-pressure water jet sheet strip sand-blasting descaling cleaning device, cleaning line and system |
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|---|---|---|---|---|
| WO2006048078A1 (en) * | 2004-10-29 | 2006-05-11 | Siemens Vai Metals Technologies Gmbh & Co | Method for producing a cast steel strip |
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| CN209304371U (en) * | 2018-11-28 | 2019-08-27 | 长沙矿冶研究院有限责任公司 | The oblique limit roller and abrasive jet cleaning device conveyed for metal tape or plate |
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2018
- 2018-11-28 CN CN201811434614.5A patent/CN109318132B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006048078A1 (en) * | 2004-10-29 | 2006-05-11 | Siemens Vai Metals Technologies Gmbh & Co | Method for producing a cast steel strip |
| CN103639906A (en) * | 2013-06-14 | 2014-03-19 | 长沙矿冶研究院有限责任公司 | High-pressure water jet sand-blast cleaning production line for sheet metal strips |
| CN107717759A (en) * | 2017-11-07 | 2018-02-23 | 长沙矿冶研究院有限责任公司 | A kind of oblique cleaning production line of sheet metal strip high-pressure water-jet blasting |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109318132A (en) | 2019-02-12 |
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