CN213570679U - Device for solving shape warping of thick plate strip steel before entering zinc pot - Google Patents
Device for solving shape warping of thick plate strip steel before entering zinc pot Download PDFInfo
- Publication number
- CN213570679U CN213570679U CN202022258736.2U CN202022258736U CN213570679U CN 213570679 U CN213570679 U CN 213570679U CN 202022258736 U CN202022258736 U CN 202022258736U CN 213570679 U CN213570679 U CN 213570679U
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- Prior art keywords
- thick plate
- plate strip
- limiting
- warping
- strip steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000011701 zinc Substances 0.000 title claims abstract description 26
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011527 polyurethane coating Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000007747 plating Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012937 correction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005246 galvanizing Methods 0.000 description 11
- 238000005554 pickling Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a galvanized thick plate processing field, concretely relates to solve thick plate belted steel and go into device of zinc pot front plate shape warpage. The device comprises a correcting roller and two groups of correcting roller limiting and assembling mechanisms, wherein the limiting and assembling mechanisms are symmetrically arranged on two sides of a platform along the width direction of thick plate strip steel, the correcting roller is fixed between the two groups of limiting and assembling mechanisms perpendicular to the advancing direction of the thick plate strip steel, and each group of limiting and assembling mechanisms comprises a fixed rail, a sliding rail, a synchronous gear, a rack and a hydraulic cylinder; the fixed track is arranged on the platform, a sliding track is arranged on the fixed track, a rack is arranged on the sliding track, and the rack is meshed with the synchronous gear; the platform is provided with a hydraulic cylinder, and a piston rod in the hydraulic cylinder is fixedly connected with a sliding track. The correction roller is additionally arranged in front of the heating furnace, the rate of judging the defects of plating leakage, zinc flow lines and sink roll marks of the galvanized thick plate is reduced to 0.54 percent from 0.72, the processing of the galvanized thick plate is facilitated, and the method has good economic benefit and production efficiency.
Description
Technical Field
The utility model relates to a galvanized thick plate processing field, concretely relates to solve thick plate belted steel and go into device of zinc pot front plate shape warpage.
Background
The galvanized product has good comprehensive performances such as corrosion resistance, formability, weldability, paintability and the like, is widely applied, and with the rapid development of the steel industry, direct galvanization becomes a development trend after pickling by taking raw materials as a hot rolled substrate, and the hot rolled substrate galvanization takes a hot rolled pickling coil as a galvanized substrate instead of a cold rolled coil, so that the cold rolled rolling process is omitted, and the cost is reduced. The pickling and galvanizing combined production line can produce hot galvanizing products with the thickness of 0.8-4.0mm, but when the galvanized products with the thickness of more than 3.0mm are produced, the raw material plate of the thick plate strip steel is poor in shape and easy to warp, the raw material plate is difficult to improve before entering a zinc pot, and after entering a boiler, the thick plate strip steel has large tension and serious shaking, and the defects of sink roll marks, zinc flow marks, plating leakage and the like can frequently occur. Therefore, a device for solving the problem of plate shape warping of the thick plate strip steel before entering a zinc pot is needed, which has the function of correcting the thick plate strip steel with poor plate shape and warping when entering a galvanizing furnace and reduces the defects of plating leakage, zinc flow marks and the like of the galvanized thick plate.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a solve thick plate belted steel and go into the warped device of plate-type before the zinc pot, to getting into the poor, the effect of correcting of the thick plate belted steel that has the warpage of galvanizing furnace, reduce defects such as the hourglass of galvanizing, zinc flow line that the galvanizing plate-type exists.
The technical scheme of the utility model is that:
a device for solving the problem of shape warping of a thick plate strip steel before entering a zinc pot comprises correcting rollers and two groups of correcting roller limiting and assembling mechanisms, wherein the limiting and assembling mechanisms are symmetrically arranged on two sides of a platform along the width direction of the thick plate strip steel, the correcting rollers are fixed between the two groups of limiting and assembling mechanisms perpendicular to the advancing direction of the thick plate strip steel, and each group of limiting and assembling mechanisms comprises a fixed rail, a sliding rail, a synchronous gear, a rack and a hydraulic cylinder; the fixed track is arranged on the platform, a sliding track is arranged on the fixed track, a rack is arranged on the sliding track, and the rack is meshed with the synchronous gear; the platform is provided with a hydraulic cylinder, and a piston rod in the hydraulic cylinder is fixedly connected with a sliding track.
Furthermore, a synchronizing shaft is arranged between the two groups of synchronizing gears. When the sliding tracks move, the synchronous gears are driven to rotate, force is transmitted to the other side through the synchronous shafts, the synchronism of the two groups of sliding tracks is guaranteed, and uneven stress of the thick plate strip steel is avoided.
Further, the device is arranged above the turning roll and before the heating furnace. By additionally arranging the correcting roller in front of the sealing roller of the heating furnace, the transverse adjustment can be carried out, and the straightening effect on the thick plate strip steel entering the zinc pot is achieved.
Further, the correcting roller comprises a steel core shaft, and a coating is sprayed on the surface of the steel core shaft.
Further, the coating is a polyurethane coating, and the thickness of the coating is 20-30 mm.
Further, the specification of the correcting roller is 200mm in diameter and 1800mm in length.
The utility model discloses a theory of operation does:
before the thick plate strip steel enters the heating furnace through the steering roller, the thick plate strip steel is straightened through the straightening roller, the straightening roller is controlled by the hydraulic cylinder, the hydraulic cylinder stretches and retracts to drive the piston rod to move so as to drive the sliding rail to move, the synchronous gear and the rack are arranged above the sliding rail, when the sliding rail moves, the synchronous gear is driven to rotate, and meanwhile, the synchronous shaft ensures the synchronism of the sliding rail, so that the straightening roller can work to straighten.
The utility model has the advantages that,
(1) by additionally arranging the correcting roller and the limiting assembly mechanism before the heating furnace of the pickling and galvanizing combined production line, the correcting function can be realized on thick plate strip steel with poor plate shape and warping before entering a galvanizing zinc pot, and the defects of plating leakage, zinc flow marks and the like of the thick plate strip steel caused by the poor plate shape are reduced; the hydraulic cylinder drives the sliding track to move so as to realize the operation of the correcting roller; through the combined action of the synchronous gear, the rack and the synchronous shaft, the synchronism of the sliding track is ensured, and uneven stress is avoided when the thick plate strip steel is corrected.
(2) The utility model discloses add correction roller before the heating furnace, the rate of change of zinc-plated thick plate hourglass plating, zinc flow line, sink roll mark defect is reduced to 0.54% by 0.72%, is favorable to processing of zinc-plated thick plate, has good economic benefits and production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a device for solving the problem of warping of a galvanized thick plate before the galvanized thick plate enters a zinc pot;
FIG. 2 is a top view of the device for solving the problem of warping of the galvanized thick plate before the galvanized thick plate enters the zinc pot;
FIG. 3 is a schematic view of the galvanized thick plate entering the galvanizing zinc pot;
in the figure, 1, thick plate strip steel; 2. a turning roll; 3. a leveling roller; 4. a synchronizing gear; 5. a rack; 6. fixing a track; 7. a platform; 8. a sliding track; 9. a hydraulic cylinder; 10. a synchronizing shaft; 11. and (5) heating the furnace.
Detailed Description
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Example 1
The galvanized thick plate obtained in the embodiment adopts a continuous pickling and galvanizing combined production line, and related equipment such as a heating furnace, a hot-stretch chamber and a galvanizing pot are conventional choices in steel production, and are not described herein again.
The device comprises a correcting roller 3 and two groups of correcting roller limiting assembly mechanisms, wherein the limiting assembly mechanisms are symmetrically arranged on two sides of a platform 7 along the width direction of the thick plate strip steel 1, the correcting roller 3 is fixed between the two groups of limiting assembly mechanisms perpendicular to the advancing direction of the thick plate strip steel 1, the correcting roller 3 comprises a steel core shaft, the surface of the steel core shaft is sprayed with a 20mm polyurethane coating, the specification of the correcting roller 3 is 200mm, the length of the correcting roller 3 is 1800mm, the correcting roller 3 is controlled by the limiting assembly mechanisms to operate, and each group of limiting assembly mechanisms comprises a fixed rail 6 and a sliding rail 8, A synchronous gear 4, a rack 5 and a hydraulic cylinder 9; the fixed track 6 is arranged on the platform 7, the fixed track 6 is provided with a sliding track 8, the sliding track 8 is provided with a rack 5, the rack 5 is meshed with the synchronous gears 4, and a synchronous shaft 10 is arranged between the two groups of synchronous gears 4; a hydraulic cylinder 9 is arranged on the platform 7, and a piston rod in the hydraulic cylinder 9 is fixedly connected with a sliding track 8; the hydraulic cylinder 9 drives the sliding rail 8 to move so as to realize the operation of the correcting roller 3; through the combined action of the synchronous gear 4, the rack 5 and the synchronous shaft 10, the synchronism of the sliding track 8 is ensured, and uneven stress is avoided when the thick plate strip steel 1 is corrected.
The utility model discloses a theory of operation does: before the thick plate strip steel 1 enters a heating furnace 11 through a steering roller 2, the thick plate strip steel is straightened through a straightening roller 3, the operation of the straightening roller 3 is controlled by a hydraulic cylinder 9, the hydraulic cylinder 9 stretches and retracts to drive a piston rod to move so as to drive a sliding rail 8 to move, a synchronous gear 4 and a rack 5 are arranged on the sliding rail 8, when the sliding rail 8 moves, the synchronous gear 4 is driven to rotate, and meanwhile, the synchronous shaft 10 ensures the synchronism of the sliding rail 8, so that the straightening roller 3 can work to be straightened.
The correction roller is additionally arranged in front of the heating furnace, and the determination rate of the defects of plating leakage, zinc flow lines and sink roll marks of the galvanized thick plate is reduced to 0.54 percent from 0.72 through detection, so that the method is beneficial to the processing of the galvanized thick plate and has good economic benefit and production efficiency.
Although the present invention has been described in detail by way of preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A device for solving the problem of shape warping of a thick plate strip steel before entering a zinc pot is characterized by comprising a correcting roller (3) and two groups of correcting roller limiting and assembling mechanisms, wherein the limiting and assembling mechanisms are symmetrically arranged on two sides of a platform (7) along the width direction of the thick plate strip steel (1), the correcting roller (3) is fixed between the two groups of limiting and assembling mechanisms perpendicular to the advancing direction of the thick plate strip steel (1), and each group of limiting and assembling mechanisms comprises a fixed rail (6), a sliding rail (8), a synchronous gear (4), a rack (5) and a hydraulic cylinder (9); the fixed track (6) is arranged on the platform (7), the fixed track (6) is provided with a sliding track (8), the sliding track (8) is provided with a rack (5), and the rack (5) is meshed with the synchronous gear (4); a hydraulic cylinder (9) is arranged on the platform (7), and a piston rod in the hydraulic cylinder (9) is fixedly connected with a sliding track (8).
2. The device for solving the problem of warping of the thick plate strip before it enters the zinc pot according to claim 1, characterized in that a synchronizing shaft (10) is arranged between the two sets of synchronizing gears (4).
3. The apparatus for solving the warping of the slab shape of the thick plate strip before entering the zinc bath according to claim 1, wherein said apparatus is disposed above the turning roll (2) and before the heating furnace (11).
4. The device for solving the problem of warping of the thick plate strip before it is fed into the zinc pot as set forth in claim 1, wherein the leveling roller (3) comprises a steel core shaft, the surface of which is coated with a coating.
5. The apparatus for solving the problem of warping of the thick plate strip before it is put into the zinc pot as set forth in claim 4, wherein the coating is a polyurethane coating having a thickness of 20-30 mm.
6. The device for solving the problem of warping of the thick plate strip before it is introduced into the zinc pot as set forth in claim 1, wherein the leveling rolls (3) have a gauge of 200mm and a length of 1800 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022258736.2U CN213570679U (en) | 2020-10-12 | 2020-10-12 | Device for solving shape warping of thick plate strip steel before entering zinc pot |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022258736.2U CN213570679U (en) | 2020-10-12 | 2020-10-12 | Device for solving shape warping of thick plate strip steel before entering zinc pot |
Publications (1)
Publication Number | Publication Date |
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CN213570679U true CN213570679U (en) | 2021-06-29 |
Family
ID=76582186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022258736.2U Expired - Fee Related CN213570679U (en) | 2020-10-12 | 2020-10-12 | Device for solving shape warping of thick plate strip steel before entering zinc pot |
Country Status (1)
Country | Link |
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CN (1) | CN213570679U (en) |
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2020
- 2020-10-12 CN CN202022258736.2U patent/CN213570679U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |
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CF01 | Termination of patent right due to non-payment of annual fee |