CN219745856U - Magnesium alloy warm-cold combined rolling unit - Google Patents
Magnesium alloy warm-cold combined rolling unit Download PDFInfo
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- CN219745856U CN219745856U CN202320469592.6U CN202320469592U CN219745856U CN 219745856 U CN219745856 U CN 219745856U CN 202320469592 U CN202320469592 U CN 202320469592U CN 219745856 U CN219745856 U CN 219745856U
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- magnesium alloy
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 48
- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000005097 cold rolling Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 61
- 238000004513 sizing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 description 33
- 238000005336 cracking Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Metal Rolling (AREA)
Abstract
The utility model discloses a magnesium alloy warm-cold combined rolling unit in the technical field of magnesium alloy rolling, which comprises a receiving roller way, a first hot air heating furnace, a first coil stripping trolley, a first thickness gauge rack, a pinch roller tension roller, a heating device, a front guide and guard device, a warm-cold rolling mill, a rear guide and guard device, a second thickness gauge rack, an accident hydraulic shear, a second coil stripping trolley, a second hot air heating furnace and a hydraulic shear.
Description
Technical Field
The utility model relates to the technical field of magnesium alloy rolling, in particular to a magnesium alloy warm-cold combined rolling unit.
Background
Magnesium and magnesium alloy are the lightest metal structural materials in engineering application so far, and have wide application in industry, especially wide-width and thin-plate magnesium alloy has wide application prospect in the fields of airplane, automobile, rail transit and the like. The magnesium alloy has many advantages such as better strength than aluminum, rigidity close to aluminum and iron, better performances such as impact resistance, shock resistance, noise reduction, heat conduction and the like, better electromagnetic shielding property and radiation resistance, degradability and recyclability, and is a good application material.
However, magnesium alloys have poor plastic workability and low ductility, resulting in difficult molding. When the magnesium alloy coiled material is rolled and uncoiled, certain heat is required to be maintained to promote the expansion of the magnesium alloy coiled material, for example, the magnesium alloy coiled material can be heated and supplemented with temperature to improve the expansion, and when the magnesium alloy coiled material is rolled, the temperature is reduced along with the reduction of the thickness of a rolled piece, and the expansion of the coiled material is influenced to influence the forming.
In the prior art, when magnesium alloy coiled material is rolled from cogging, the coiled material and a roller are reheated after the coiled material is rolled for several times so as to improve the ductility of the coiled material. When the magnesium alloy coiled material with longer rolling length is rolled, the temperature difference between the head and the tail of the coiled material is larger, the thickness of the coiled material is gradually reduced, the temperature is also reduced, and the conditions of edge cracking, surface cracking and the like of the magnesium alloy coiled material are caused, so that the rolling process of the magnesium alloy coiled material cannot be continuously carried out, the quality and the production of the magnesium alloy coiled material are influenced, and economic loss is caused.
Disclosure of Invention
The utility model aims to provide a magnesium alloy warm-cold combined rolling unit, which aims to solve the problems that when magnesium alloy coiled materials with longer rolling length are rolled in the prior art, the temperature difference between the head and the tail of the coiled materials is larger, the thickness of the coiled materials is gradually reduced, the temperature is also reduced along with the thickness, the magnesium alloy coiled materials are cracked, the surface of the magnesium alloy coiled materials is cracked, and the like, so that the rolling process of the magnesium alloy coiled materials cannot be continuously carried out, the quality and the production of the magnesium alloy coiled materials are influenced, and the economic loss is caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the magnesium alloy warm-cold combined rolling unit comprises a receiving roller way, a first hot air heating furnace, a first coil stripping trolley, a first thickness gauge rack, a pinch roller tension roller, a heating device, a front guide and guard device, a warm-cold rolling mill, a rear guide and guard device, a second thickness gauge rack, an accident hydraulic shear, a second coil stripping trolley, a second hot air heating furnace, a hydraulic shear, a sizing roller way, a centering device, a nineteenth roller straightener and a finished product roller way;
the feeding end of the first hot air heating furnace corresponds to the discharging end of the receiving roller way;
the feeding end of the first coil stripping trolley corresponds to the discharging end of the first hot air heating furnace;
the feeding end of the first thickness gauge rack corresponds to the discharging end of the first coil-discharging trolley;
the feeding end of the pinch roll tension roll corresponds to the discharging end of the first thickness gauge rack;
the feeding end of the heating device corresponds to the discharging end of the pinch roll tension roll;
the feeding end of the front guide device corresponds to the discharging end of the heating device;
the feeding end of the warm cold rolling mill corresponds to the discharging end of the front guide device of the warm cold rolling mill;
the feeding end of the rear guide and guard device corresponds to the discharging end of the warm-cold rolling mill;
the feeding end of the second thickness gauge rack corresponds to the discharging end of the rear guide device;
the feeding end of the accident hydraulic shear corresponds to the discharging end of the second thickness gauge rack;
the feeding end of the second coil stripping trolley corresponds to the discharging end of the accident hydraulic shear;
the feeding end of the second hot air heating furnace corresponds to the discharging end of the second coil discharging trolley;
the feeding end of the hydraulic shear corresponds to the discharging end of the second hot air heating furnace;
the feeding end of the sizing roller way corresponds to the discharging end of the hydraulic shear;
the feeding end of the centering device corresponds to the discharging end of the fixed-length roller way;
the feeding end of the nineteenth roller straightener corresponds to the discharging end of the centering device;
and the feeding end of the finished product roller way corresponds to the discharging end of the nineteenth roller straightener.
Preferably, a press roll and a first coiling machine are respectively arranged on the first coil stripping trolley and close to the discharge end provided with the first hot air heating furnace, and the first coiling machine is arranged at the lower end of the press roll.
Preferably, a second coiler is mounted on the end, away from the accident hydraulic shear, of the second coil-stripping trolley.
Compared with the prior art, the utility model has the beneficial effects that: according to the magnesium alloy warm-cold combined rolling unit, the magnesium alloy is subjected to heat treatment, then subjected to warm-cold rolling after heat treatment, and then subjected to heat treatment again after warm-cold rolling, so that the problems that the temperature difference between the head and the tail of a coiled material is large, the thickness of the coiled material is gradually reduced, the temperature is reduced, the occurrence of cracking, surface cracking and the like of the magnesium alloy coiled material is caused, the production quality of the magnesium alloy is improved, and the economic loss is reduced due to the fact that the coiled material is rolled for several times by adopting the traditional method of reheating the coiled material.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: the hot-blast straightening machine comprises a receiving roller table 1, a first hot-blast heating furnace 2, a first coil-discharging trolley 3, a pressing roller 31, a first coiling machine 32, a first thickness gauge rack 4, a pinch roller tension roller 5, a heating device 6, a front guide device 7, a cold-rolling mill 8, a rear guide device 9, a second thickness gauge rack 10, an accident hydraulic shear 11, a second coil-discharging trolley 12, a second coil-discharging trolley 121, a second hot-blast heating furnace 13, a hydraulic shear 14, a fixed-length roller table 15, a centering device 16, a nineteen roller straightening machine 17 and a finished product roller table 18.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a magnesium alloy warm-cold combined rolling unit, which is characterized in that a magnesium alloy is subjected to heat treatment, then subjected to warm-cold rolling, and then subjected to heat treatment again after warm-cold rolling, so that the problems that the temperature difference between the head and the tail of a coiled material is large, the thickness of the coiled material is gradually reduced and the temperature is reduced along with the temperature difference, the conditions of edge cracking, surface cracking and the like of the coiled material of the magnesium alloy occur, the production quality of the magnesium alloy is improved, and the economic loss is reduced in the traditional magnesium alloy rolled by adopting a mode of reheating the coiled material for several times are effectively solved, and the magnesium alloy warm-cold combined rolling unit comprises the following components in accordance with fig. 1: the hot air hot blast rolling machine comprises a receiving roller way 1, a first hot air heating furnace 2, a first coil stripping trolley 3, a first thickness gauge rack 4, a pinch roll tension roll 5, a heating device 6, a front guide and guard device 7, a warm cold rolling mill 8, a rear guide and guard device 9, a second thickness gauge rack 10, an accident hydraulic shear 11, a second coil stripping trolley 12, a second hot air heating furnace 13, a hydraulic shear 14, a sizing roller way 15, a centering device 16, a nineteenth roll straightener 17 and a finished product roller way 18;
the feeding end of the first hot air heating furnace 2 corresponds to the discharging end of the receiving roller way 1;
the feeding end of the first coil stripping trolley 3 corresponds to the discharging end of the first hot air heating furnace 2, a press roll 31 and a first coiling machine 32 are arranged on the first coil stripping trolley 3 adjacent to the discharging end of the first hot air heating furnace 2 respectively, and the first coiling machine 32 is arranged at the lower end of the press roll 31;
the feeding end of the first thickness gauge rack 4 corresponds to the discharging end of the first coil-discharging trolley 3;
the feeding end of the pinch roll tension roll 5 corresponds to the discharging end of the first thickness gauge rack 4;
the feeding end of the heating device 6 corresponds to the discharging end of the pinch roll tension roll 5;
the feeding end of the front guide device 7 corresponds to the discharging end of the heating device 6;
the feeding end of the warm cold rolling mill 8 corresponds to the discharging end of the front guide device 7;
the feeding end of the rear guide and guard device 9 corresponds to the discharging end of the warm-cold rolling mill 8;
the feeding end of the second thickness gauge rack 10 corresponds to the discharging end of the rear guide and guard 9;
the feeding end of the accident hydraulic shear 11 corresponds to the discharging end of the second thickness gauge rack 10;
the feeding end of the second coil-stripping trolley 12 corresponds to the discharging end of the accident hydraulic shear 11, and a second coiling machine 121 is arranged at one end, far away from the accident hydraulic shear 11, of the second coil-stripping trolley 12;
the feeding end of the second hot air heating furnace 13 corresponds to the discharging end of the second coil-stripping trolley 12;
the feeding end of the hydraulic shear 14 corresponds to the discharging end of the second hot air heating furnace 13;
the feeding end of the sizing roller way 15 corresponds to the discharging end of the hydraulic shear 14;
the feeding end of the centering device 16 corresponds to the discharging end of the fixed-length roller way 15;
the feed end of the nineteenth roller straightener 17 corresponds to the discharge end of the centering device 16;
the feeding end of the finished product roller way 18 corresponds to the discharging end of the nineteenth roller straightener 17;
referring again to fig. 1, magnesium alloy sheet processing: when the hot blast furnace is specifically used, the medium plate enters the hot blast furnace through the receiving roller way, the magnesium alloy plate to be rolled is heated, the heated magnesium alloy plate releases the tension stress of the plate through equipment such as a compression roller, a pinch roller tension roller and the like, then the magnesium alloy plate enters the warm-cold rolling mill through the machine front guide device, forward rolling is carried out through the warm-cold rolling mill, the rolled magnesium alloy plate is transmitted to the hot blast furnace through the guide plate table, the rolled plate is subjected to secondary heating through the hot blast furnace, then the hydraulic shear is used for cutting the processed plate, the cut plate enters the nineteenth roller straightening machine through the sizing roller way and the centering device for straightening the plate, and then the finished plate is output through the finished product roller way.
Referring again to fig. 1, magnesium alloy coil processing: when the rolling mill is specifically used, the medium plate enters a hot air heating furnace through a receiving roller way, so as to heat the magnesium alloy plate to be rolled, the heated magnesium alloy plate releases the tension stress of the plate through equipment such as a compression roller, a pinch roller tension roller and the like, then enters a warm cold mill through a front guide device of the rolling mill, forward rolling is carried out through the warm cold mill, then the rolled plate rear guide device enters a rear coiling machine, after the plate is totally forward rolled, then enters the warm cold mill through the rear coiling machine, enters a front coiling machine arranged at the feeding end of the warm cold mill, and is subjected to reciprocating rolling, an accident shear is arranged between the rear coiling machine and the warm cold mill, so that the plate can be effectively prevented from being cut in time when a problem occurs, loss is reduced, after the thickness is detected through a thickness gauge, the plate after the required thickness is reached, is unloaded through a coil unloading trolley or the plate enters a hydraulic shear to straighten, and then the finished product after the cutting plate enters a nine-roller straightening machine through a sizing roller way and a centering device to output a finished product roll.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. A magnesium alloy warm-cold combined rolling unit is characterized in that: the hot-blast straightening machine comprises a receiving roller way (1), a first hot-blast heating furnace (2), a first coil-discharging trolley (3), a first thickness gauge rack (4), a pinch roll tension roll (5), a heating device (6), a front guide and guard device (7), a warm-cold rolling mill (8), a rear guide and guard device (9), a second thickness gauge rack (10), an accident hydraulic shear (11), a second coil-discharging trolley (12), a second hot-blast heating furnace (13), a hydraulic shear (14), a sizing roller way (15), a centering device (16), a nineteenth roll straightening machine (17) and a finished product roller way (18);
the feeding end of the first hot air heating furnace (2) corresponds to the discharging end of the receiving roller way (1);
the feeding end of the first coil stripping trolley (3) corresponds to the discharging end of the first hot air heating furnace (2);
the feeding end of the first thickness gauge rack (4) corresponds to the discharging end of the first coil discharging trolley (3);
the feeding end of the pinch roll tension roll (5) corresponds to the discharging end of the first thickness gauge rack (4);
the feeding end of the heating device (6) corresponds to the discharging end of the pinch roll tension roll (5);
the feeding end of the front guide device (7) corresponds to the discharging end of the heating device (6);
the feeding end of the warm cold rolling mill (8) corresponds to the discharging end of the front guide device (7);
the feeding end of the machine rear guide device (9) corresponds to the discharging end of the warm cold rolling mill (8);
the feeding end of the second thickness gauge rack (10) corresponds to the discharging end of the rear guide device (9);
the feeding end of the accident hydraulic shear (11) corresponds to the discharging end of the second thickness gauge rack (10);
the feeding end of the second coil stripping trolley (12) corresponds to the discharging end of the accident hydraulic shear (11);
the feeding end of the second hot air heating furnace (13) corresponds to the discharging end of the second coil discharging trolley (12);
the feeding end of the hydraulic shear (14) corresponds to the discharging end of the second hot air heating furnace (13);
the feeding end of the sizing roller way (15) corresponds to the discharging end of the hydraulic shear (14);
the feeding end of the centering device (16) corresponds to the discharging end of the fixed-length roller way (15);
the feeding end of the nineteenth roller straightening machine (17) corresponds to the discharging end of the centering device (16);
the feeding end of the finished product roller way (18) corresponds to the discharging end of the nineteenth roller straightening machine (17).
2. The magnesium alloy warm-cold combined rolling mill set according to claim 1, wherein: the first coil stripping trolley (3) is provided with a press roll (31) and a first coiling machine (32) respectively close to a discharge end of the first hot air heating furnace (2), and the first coiling machine (32) is arranged at the lower end of the press roll (31).
3. The magnesium alloy warm-cold combined rolling mill set according to claim 2, wherein: and a second coiling machine (121) is arranged at one end, away from the accident hydraulic shear (11), of the second coil stripping trolley (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469592.6U CN219745856U (en) | 2023-03-13 | 2023-03-13 | Magnesium alloy warm-cold combined rolling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320469592.6U CN219745856U (en) | 2023-03-13 | 2023-03-13 | Magnesium alloy warm-cold combined rolling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219745856U true CN219745856U (en) | 2023-09-26 |
Family
ID=88088597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320469592.6U Active CN219745856U (en) | 2023-03-13 | 2023-03-13 | Magnesium alloy warm-cold combined rolling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219745856U (en) |
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2023
- 2023-03-13 CN CN202320469592.6U patent/CN219745856U/en active Active
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