CN210023261U - Furnace coil hot rolling unit and processing production line of magnesium alloy coiled material - Google Patents

Furnace coil hot rolling unit and processing production line of magnesium alloy coiled material Download PDF

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Publication number
CN210023261U
CN210023261U CN201920748197.5U CN201920748197U CN210023261U CN 210023261 U CN210023261 U CN 210023261U CN 201920748197 U CN201920748197 U CN 201920748197U CN 210023261 U CN210023261 U CN 210023261U
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pinch roll
coiled material
coil
furnace
inlet
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吴喜福
张景天
顾红星
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Weihai Shangmagnesia New Material Technology Co ltd
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Ningbo Shangmg New Material Technology Co Ltd
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Abstract

The utility model is suitable for a metallurgical machine technical field provides a hot rolling mill group and magnesium alloy coiled material's processing lines are rolled up to stove. The furnace coil hot rolling mill group comprises an inlet coiling furnace, an inlet pinch roll, a furnace coil hot rolling mill, a hydraulic shear, an outlet pinch roll and an outlet coiling furnace which are sequentially arranged along the rolling direction of coiled materials, wherein the inlet pinch roll guides the coiled materials transmitted along the reverse rolling direction to the inlet coiling furnace, and the coiled materials are led out from the inlet coiling furnace to the inlet pinch roll along the rolling direction; the inlet pinch roll is connected with a furnace coil hot rolling mill, the coiled material is transmitted to the hydraulic shear from the furnace coil hot rolling mill, and the hydraulic shear shears the coiled material to a preset length; the hydraulic shear is connected with an outlet pinch roll, the outlet pinch roll guides the coiled material transmitted along the rolling direction to an outlet coiling furnace, and the coiled material is guided out from the outlet coiling furnace to the outlet pinch roll along the reverse rolling direction. The utility model discloses a coiled material can be sheared to predetermined length to rolling in certain temperature interval avoids the uneven quality problems that leads to of temperature, improves the lumber recovery, reduction in production cost.

Description

Furnace coil hot rolling unit and processing production line of magnesium alloy coiled material
Technical Field
The utility model belongs to the field of metallurgical machinery, especially, relate to a processing lines of hot rolling unit and magnesium alloy coiled material are rolled up to stove.
Background
Magnesium and magnesium alloy are the lightest metal structure materials in engineering application so far, and have wide application in industry, and especially wide and thin magnesium alloy has wide application prospect in the fields of airplanes, automobiles, rail transit and the like. The magnesium alloy has many advantages, such as better strength than aluminum materials and steel materials, rigidity close to aluminum and iron, better performances of impact resistance, shock resistance, noise reduction, heat conduction and the like, better electromagnetic shielding performance and radiation resistance, degradability and recyclability, and is a good industrial material.
However, magnesium alloys have poor plastic workability, low ductility, and are difficult to mold. When the magnesium alloy coiled material is rolled and uncoiled, the magnesium alloy coiled material needs to be promoted to be expanded so as to promote the forming, for example, the magnesium alloy coiled material can be heated and temperature compensated so as to improve the ductility, and when the magnesium alloy coiled material is rolled, the temperature of the coiled material is reduced along with the reduction of the thickness and the increase of the length of the coiled material, so that the generation of tension is influenced, and the forming of the magnesium alloy is influenced.
In the prior art, when a magnesium alloy coil is rolled from cogging, the ductility of the coil is improved by reheating the coil and a roller after rolling the coil several times. When the magnesium alloy coiled material with a longer 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 reduced, the conditions of edge cracking, surface cracking and the like of the magnesium alloy coiled material are caused, the rolling process of the magnesium alloy coiled material cannot be continued, the quality and the production of the magnesium alloy coiled material are influenced, and economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a processing lines of stove book hot press unit and magnesium alloy coiled material aims at solving the magnesium alloy coiled material because coiled material length is longer and along with the rolling thickness that carries on the coiled material reduces when rolling, leads to the uneven temperature of the coiled material after rolling, influences the quality of coiled material and the problem of production.
The utility model is realized in such a way that a furnace coil hot rolling unit comprises an inlet coiling furnace, an inlet pinch roll, a furnace coil hot rolling mill, a hydraulic shear, an outlet pinch roll and an outlet coiling furnace which are arranged in sequence along the rolling direction of a magnesium alloy coiled material,
the inlet pinch roll guides the coiled material transmitted along the reverse rolling direction to the inlet coiling furnace, and the coiled material is guided out of the inlet coiling furnace along the rolling direction to the inlet pinch roll;
the inlet pinch roll is connected with the hot coil rolling mill, and a coiled material is transmitted to the hydraulic shear from the hot coil rolling mill, and the hydraulic shear shears the coiled material to a preset length;
the hydraulic shear is connected with the outlet pinch roll, the outlet pinch roll guides the coiled material transmitted along the rolling direction to the outlet coiling furnace, and the coiled material is guided out from the outlet coiling furnace to the outlet pinch roll along the reverse rolling direction.
Furthermore, the furnace coil hot rolling unit also comprises a tension pinch roll which is arranged behind the outlet coiling furnace along the rolling direction; and
and the tension pinch roll is connected with the outlet pinch roll and the coiling machine through a roller way.
Further, the hot coil rolling mill train further comprises a front centering device disposed between the inlet pinch roll and the hot coil rolling mill; and
the post-mill centering device is arranged between the hot coil rolling mill and the hydraulic shear;
the front centering device controls the magnesium alloy coiled material which is pinch-fed by the inlet pinch roll to enter the coil hot rolling mill along the rolling direction;
and the rear centering device controls the magnesium alloy coiled material led out by the hot coil rolling mill and guides the magnesium alloy coiled material to the hydraulic shear along the rolling direction.
Furthermore, a first guide piece is arranged between the inlet coiling furnace and the inlet pinch roll;
and when the first guide piece is positioned at the working position, the first guide piece is connected with the inlet pinch roll and the inlet coiling furnace, and the coiled material transmitted from the inlet pinch roll along the reverse rolling direction is guided into the inlet coiling furnace through the first guide piece.
Furthermore, a second guide piece is arranged between the outlet coiling furnace and the outlet pinch roll;
and when the second guide piece is positioned at the working position, the second guide piece is connected with the outlet pinch roll and the outlet coiling furnace, and the coiled material transmitted from the outlet pinch roll along the rolling direction is guided into the inlet coiling furnace through the second guide piece.
Furthermore, the hot coil rolling mill comprises a rack roller way, and the rack roller way penetrates through the hot coil rolling mill and is connected with the front centering device and the rear centering device.
Furthermore, the furnace coil hot rolling unit also comprises a working roller way arranged in front of the inlet coiling furnace along the rolling direction, and the working roller way is connected with the inlet pinch roll.
Still further, the coiler includes a wrapper disposed at an entrance of the coil into the coiler.
Furthermore, the furnace coil hot rolling unit also comprises a coil unloading trolley arranged behind the coiling machine along the rolling direction, and the coil unloading trolley is movably arranged relative to the coiling machine.
The utility model also provides a processing lines of magnesium alloy coiled material, the production line includes that cast rolling unit, stove are rolled up hot rolling unit and finishing unit, the stove is rolled up the unit and is above-mentioned arbitrary the stove roll up hot rolling unit.
The utility model discloses the beneficial effect who reaches is, because on the rolling direction along magnesium alloy coiled material, set up entry batch furnace and export batch furnace around the stove rolls up hot rolling mill, make the magnesium alloy coiled material can roll in certain temperature interval, guarantee that the magnesium alloy coiled material has sufficient rolling temperature, magnesium alloy coiled material to predetermined length can be cuted to the hydraulic pressure scissors, the magnesium alloy coiled material has been solved because length is longer when rolling, and along with the rolling thickness attenuate who carries out the coiled material, the temperature that leads to the magnesium alloy coiled material after rolling is uneven, and influence the quality of magnesium alloy coiled material and the problem of production, the yield of magnesium alloy coiled material has been improved, and the production cost is reduced, for the broad width, the production of the magnesium alloy of sheet metal provides reliable assurance.
Drawings
FIG. 1 is a schematic view of a coil hot rolling mill train provided by the present invention;
FIG. 2 is a schematic view of a portion of a coil hot rolling mill train provided by the present invention;
FIG. 3 is a schematic view of yet another portion of a coil hot rolling mill train provided by the present invention;
fig. 4 is a schematic structural diagram of a coil hot rolling unit provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses a hot rolling mill group is rolled up to stove, including entry batch furnace 1, stove book hot rolling mill 5, 7 and export batch furnace 9 are cut to the hydraulic pressure, when rolling magnesium alloy coiled material, entry batch furnace 1 can make stove book hot rolling mill 5 roll the coiled material repeatedly at the certain temperature interval with export batch furnace 9, guarantee that magnesium alloy coiled material has sufficient rolling temperature, hydraulic pressure is cut 7 and can be sheared magnesium alloy coiled material to predetermined length, because length is longer when having solved magnesium alloy coiled material rolling, and along with the rolling thickness attenuate that carries out the coiled material, the temperature that leads to magnesium alloy coiled material after the rolling is uneven, and influence the quality and the production problem of magnesium alloy coiled material, the yield of magnesium alloy coiled material has been improved, the production cost is reduced, for the broad width, the production of the magnesium alloy of sheet metal provides reliable assurance.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a coil hot rolling unit, which includes an inlet coiling furnace 1, an inlet pinch roll 2, a coil hot rolling mill 5, a hydraulic shear 7, an outlet pinch roll 8 and an outlet coiling furnace 9, which are sequentially arranged along a rolling direction of a magnesium alloy coil. The inlet pinch roll 2 guides the coiled material transmitted along the reverse rolling direction to the inlet coiling furnace 1, and the coiled material is guided out from the inlet coiling furnace 1 along the rolling direction to the inlet pinch roll 2; the inlet pinch roll 2 is connected with a hot rolling mill 5, coiled materials are transmitted to a hydraulic shear 7 from the hot rolling mill 5, and the coiled materials are sheared to a preset length by the hydraulic shear 7; the hydraulic shear 7 is connected with an outlet pinch roll 8, the outlet pinch roll 8 guides the coiled material transmitted along the rolling direction to an outlet coiling furnace 9, and the coiled material is led out from the outlet coiling furnace 9 to the outlet pinch roll 8 along the reverse rolling direction.
Specifically, an inlet coiling furnace 1, an inlet pinch roll 2, a hot coil rolling mill 5, a hydraulic shear 7, an outlet pinch roll 8 and an outlet coiling furnace 9 are all arranged on a foundation to form a production line, and standardized production of the magnesium alloy coiled material is guaranteed. Illustratively, a magnesium alloy coil having a thickness of about 10-15mm is heated by a heating furnace (not shown) and then heated to increase in temperature and guided to a coil hot rolling mill train, while the coil is lowered in temperature during the transfer and rolling, thereby guiding the coil to an entry coiler furnace 1 for holding in a reverse rolling direction by an entry pinch roll 2. The inlet coiling furnace 1 is close to the hot rolling mill 5, and coiled materials with high temperature can be quickly conveyed from the inlet coiling furnace 1 to the hot rolling mill 5 for rolling by the inlet pinch roll 2 along the rolling direction. The hot rolling mill 5 can be a four-roller reversible temperature rolling mill, the diameter of a working roller is 630mm, the diameter of a supporting roller is 1350mm, and the magnesium alloy coiled material can be rolled well. And the temperature of the coiled material is reduced after rolling, and the coiled material is guided to an outlet coiling furnace 9 for heat preservation through an outlet pinch roll 8 along the rolling direction.
The coil with the temperature rising again is led out from the outlet coiling furnace 9 along the reverse rolling direction by the outlet pinch roll 8 and is rolled again by the hot rolling mill 5. The magnesium alloy coiled material can be insulated in the inlet coiling furnace 1 and the outlet coiling furnace 9, the temperature of the coiled material can be kept in a range of 380-520 ℃, the coiled material has higher temperature, the problems of fission, surface cracking and the like of the coiled material during rolling caused by the temperature reduction of the coiled material are avoided, the thickness of the magnesium alloy coiled material after being rolled for many times is 2.5-5mm, the width is 1700mm, and the reliable guarantee is provided for the production of wide and thin magnesium alloy.
The inlet pinch roll 2 is used for helping the coiled material rolled by the hot rolling mill 5 to enter subsequent equipment for coiling, limiting the position of the coiled material so as to prevent the coiled material from deviating, and preventing the tail part of the coiled material running at a high speed from being accelerated to cause accumulation and blockage accidents due to separation from the restraint when the coiled material is discharged from the hot rolling mill 5. Meanwhile, when the tail end of the coiled material is thrown out of the hot rolling mill 5, the inlet pinch roll 2 can apply required tension to the coiled material so as to obtain a good coiling shape; in addition, the horizontal adjustment of the entry pinch roll 2 also contributes to obtaining a well-coiled coil. The function of the outlet pinch roll 8 is similar to that of the inlet pinch roll 2 and will not be described in detail.
The hydraulic shears 7 can shear the magnesium alloy coiled material to a preset length, and the problems of quality and production of the coiled material caused by uneven temperature distribution of the coiled material due to the long length of the coiled material are avoided. In the rolling process of the magnesium alloy coil, when the furnace coil hot rolling mill 5 cannot work normally for some reasons, the hydraulic shears 7 can shear the magnesium alloy coil to recoil, so that the influence on the normal recoiling of the subsequent coil due to the stagnation of the magnesium alloy coil is avoided. In addition, when the quality problem of the magnesium alloy coiled material occurs, such as irregular head and tail of the coiled material, edge cracking, surface cracking and the like, the hydraulic shear 7 can also shear the bad part of the magnesium alloy coiled material, so that the rolling process is normal, and the quality and the production of the magnesium alloy coiled material are ensured.
Example two
Referring to fig. 1 and 3, the hot rolling mill train for furnace coil further includes a tension pinch roll 10 disposed behind the outlet coiler furnace 9, and a coiler 11 disposed behind the tension pinch roll 10; the tension pinch roll 10 is connected with the outlet pinch roll 8 and the coiling machine 11 through a roll table.
Specifically, the tension pinch roll is used for forming tension between the coiler 11 and the hot coil rolling mill 5, and the coiler 11 is used for coiling the magnesium alloy coiled material. The tension pinch roll is provided with a drive (not shown) and a damping device (not shown), the drive drives the damping device to cause relative friction between the damping device (such as the roll surface) and the coil, and the friction is converted into the tension of the coil. The tension pinch roll 10 can also pinch the coiled material to prevent the coiled material from deviating to influence the transmission and rolling of the coiled material so as to ensure the normal uncoiling and coiling of the coiled material, and can also reduce the deformation resistance and the deformation work of the magnesium alloy, so that the rolled coiled material is flat and straight in shape, and the subsequent coiling and transportation of the coiled material are facilitated.
The horizontal line of the coiling machine 11 is lower than the horizontal line of the tension pinch roll 10, the tension pinch roll 10 is connected with the coiling machine 11 through a roller way, after tension is applied to a coiled material through the tension pinch roll 10, an inclined roller way is matched with the coiling machine 11, due to the position difference of the tension pinch roll 10 and the coiling machine 11, the coiled material can be directly transmitted to the coiling machine 11 along the inclined roller way, the coiled material is coiled by the coiling machine 11, and the coiled material is more compact and convenient to subsequently transport.
EXAMPLE III
Referring to fig. 1, 2 and 4, the hot coil rolling mill train further includes a front centering device 3 disposed between the inlet pinch roll 2 and the hot coil rolling mill 5, and a rear centering device 6 disposed between the hot coil rolling mill 5 and the hydraulic shears 7. The front centering device 3 controls the magnesium alloy coiled material led out by the inlet pinch roll 2 to enter a coil hot rolling mill 5 along the rolling direction. The post-mill centering device 6 controls the magnesium alloy coiled material discharged from the hot-rolling mill 5 to guide the hydraulic shear 7 in the rolling direction.
Specifically, the front centering device 3 and the rear centering device 6 are respectively connected to both ends of the hot coil rolling mill 5 to engage and transfer the magnesium alloy coil. The front centering device 3 is in butt joint with the hot rolling mill 5, so that the phenomenon that the rolling of the coiled material is influenced and the rolling quality of the coiled material is influenced due to the fact that the coiled material deviates before entering the hot rolling mill 5 can be further prevented. The centering device 6 behind the machine is in butt joint with the hot rolling mill 5 of the furnace coil, so that the deviation of the coil before being sheared by the hydraulic shear 7 can be prevented, and the shearing of the coil is influenced, such as the unevenness of the cut of the coil and the non-conforming length of the coil. In addition, the front centering device 3 and the rear centering device 6 can also transversely center the coiled material, so that the coiled material is ensured to be stripped according to the required position, and the subsequent rolling requirement is met.
Example four
Referring to fig. 1 and 2, a first guide member 21 is disposed between the entry coiler 1 and the entry pinch roll 2, the first guide member 21 connects the entry pinch roll 2 and the entry coiler 1 when the first guide member 21 is located at the operating position, and the coil transferred from the entry pinch roll 2 in the reverse rolling direction is guided to the entry coiler 1 through the first guide member 21.
In particular, the first guide 21 is a movable guide, the first guide 21 being switchable between a working position (raised with respect to the foundation) and a non-working position (parallel with respect to the foundation) to correspond to different rolling requirements of the coil. In the process of rolling the coiled material, the first guide member 21 is put down to be in a non-working position, the transmission of the coiled material is prevented from being influenced, the coiled material is firstly clamped and sent to the hot rolling mill 5 of the furnace coil by the inlet pinch roll 2 to be subjected to forward rolling and subsequent rolling, if the temperature of the coiled material is reduced too much, the first guide member 21 is controlled to be lifted to a working position to connect the inlet pinch roll 2 and the inlet coiling furnace 1, and the inlet pinch roll 2 introduces the head of the coiled material into the first guide member 21, so that the coiled material can be clamped and sent to the inlet coiling furnace 1 by the inlet pinch roll 2 along the reverse rolling direction to be kept warm.
In one example, the first guide 21 may be a guide plate, a guide rail, a guide block, a guide roller, or the like, and may be selected according to the actual situation as long as the magnesium alloy coil can be introduced into the inlet coiler furnace 1.
EXAMPLE five
Referring to fig. 1 and 3, a second guide 81 is provided between the exit coiler 9 and the exit pinch roll 8, the second guide 81 connecting the exit pinch roll 8 and the exit coiler 9 when in the operating position, the coil transported in the rolling direction from the exit pinch roll 8 being guided into the exit coiler 9 by the second guide 81.
In particular, the second guide 81 is a movable guide, the second guide 81 being switchable between a working position (raised with respect to the ground) and a non-working position (parallel with respect to the ground) to correspond to different rolling requirements of the coils. In the process of rolling the coil, the second guide element 81 is lowered to the non-working position to avoid influencing the transmission of the coil, the coil is clamped by the outlet pinch roll 8 to the hot rolling mill 5 for reverse rolling and subsequent rolling, if the temperature of the coil drops too much, the second guide element 81 is controlled to be raised to the working position to connect the outlet pinch roll 8 and the outlet coiling furnace 9, and the outlet pinch roll 8 leads the head of the coil into the second guide element 81, so that the coil can be clamped by the outlet pinch roll 8 to the outlet coiling furnace 9 for heat preservation along the rolling direction.
In one example, the second guide 81 may be a guide plate, a guide rail, a guide block, a guide roller, or the like, and may be selected according to the actual situation as long as the magnesium alloy coil can be guided into the outlet coiler furnace 9.
EXAMPLE six
Referring to fig. 1 to 3, the hot rolling mill set further includes a frame roller table 4, wherein the frame roller table 4 penetrates through the hot rolling mill 5 and is connected to the front centering device 3 and the rear centering device 6.
Specifically, the frame roller table 4 penetrates through the hot rolling mill 5 and is located between two working rolls of the hot rolling mill 5, the frame roller table 4 is connected with the inlet pinch roll 2 and the outlet pinch roll 8 to transmit magnesium alloy coiled materials, and the magnesium alloy coiled materials are guided to the hydraulic shear 7, so that the coiled materials can be relatively flat and stable in the transmission process, the working rolls of the hot rolling mill 5 can roll the coiled materials transmitted by the frame roller table 4 more stably, and the rolling quality of the magnesium alloy coiled materials is improved.
EXAMPLE seven
Referring to fig. 4, the hot rolling mill train further includes a working roller table 13 disposed in front of the inlet coiler furnace 1 along the rolling direction, and the working roller table 13 is connected to the inlet pinch roll 2.
Specifically, the work roller table 13 is used for conveying the magnesium alloy coiled material to the inlet pinch roll 2, the magnesium alloy blank is uncoiled by an uncoiler (not shown) to form a coiled material, one end of the work roller table 13 is connected with the uncoiler, and the other end of the work roller table is connected with the furnace coil hot rolling unit so as to stably convey the coiled material to the furnace coil hot rolling unit, thereby ensuring the conveying efficiency of the coiled material.
Example eight
Referring to fig. 1 and 3, the coiler 11 includes a coil wrapper 12, and the coil wrapper 12 is disposed at an entrance of the coil into the coiler 11.
Specifically, the wrapper 12 is used for controlling the magnesium alloy coil to enter the coiler 11, and the rolled magnesium alloy coil is transferred to the inner space of the coiler 11 by a transfer belt (not shown) of the wrapper 12 and then coiled by the coiler 11. The arrangement of the wrapper 12 makes the coiled material not need to be coiled manually by workers, and reduces the labor intensity of the workers. Meanwhile, in the coiling assisting process of the coiling assisting machine 12, the quality defects of bulging and the like of the coiled material can be effectively avoided by conveying the coiled material by the conveying belt, so that the coiling quality of the coiled material is improved.
Example nine
Referring to fig. 4, the coil hot rolling mill train further includes a coil stripping trolley 14 disposed behind the coiler 11 in the rolling direction, and the coil stripping trolley 14 is movably disposed relative to the coiler 11.
Specifically, the coil stripping trolley 14 is used for loading the magnesium alloy coil coiled by the coiling machine 11, the bottom of the coil stripping trolley 14 is provided with a roller (not shown), a foundation is provided with a transportation rail (not shown), the transportation rail is provided with a linear guide rail (not shown), the coil stripping trolley 14 is movably arranged on the transportation rail, and can be matched with the linear guide rail of the transportation rail through the roller to realize linear movement on the linear guide rail, and the coiled magnesium alloy coil can be stably and rapidly transported to the next working area.
Example ten
The utility model also provides a processing lines of magnesium alloy coiled material, production line include that casting rolling machine group, stove are rolled up hot rolling unit and finishing unit, and hot rolling unit is rolled up including the stove of above-mentioned arbitrary item to stove rolling machine group.
Wherein, cast rolling mill group and finishing unit can adopt current equipment or current unit, and the stove is rolled up hot rolling mill group and then can adopt the stove that any above-mentioned embodiment provided and roll up hot rolling mill group, in order to constitute the utility model discloses embodiment's magnesium alloy coiled material's processing lines.
The utility model provides a pair of hot rolling unit is rolled up to stove owing to in the rolling direction along magnesium alloy coiled material, sets up entry coiling furnace 1 and export coiling furnace 9 around the hot rolling mill 5 is rolled up to the stove for the rolling temperature of magnesium alloy coiled material can keep in 380 + 520 ℃ of the interval, guarantees that the magnesium alloy coiled material has sufficient rolling temperature. The hot rolling mill can adopt a four-roller hot rolling mill with the working diameter of 630mm and the diameter of a supporting roller of 1350mm, and can roll magnesium alloy coiled materials with the thickness of about 10-15mm to obtain magnesium alloy coiled materials with the thickness of 2.5-5mm, thereby providing materials for the next step of rolling into wide and thin magnesium alloy plates with the thickness of 0.4-1mm and the width of 1700 mm. The hydraulic shears 7 are arranged to shear the magnesium alloy coiled material to a preset length, so that the problems that the temperature of the rolled magnesium alloy coiled material is uneven and the quality and production of a magnesium alloy sheet are affected due to the fact that the length of the rolled magnesium alloy coiled material is long and the thickness of the coiled material is reduced along with rolling during rolling of the magnesium alloy coiled material are solved, the yield of the magnesium alloy coiled material is improved, and the production cost is reduced.
The processing technology adopted by the processing production line of the magnesium alloy coiled material of the utility model combines the cast rolling cogging rolling method, the furnace coil hot rolling process and the finishing process. The advantages of the casting-rolling cogging-rolling method are short production process flow and low investment and production cost. Additionally, the utility model discloses rolling technology is improved traditional magnesium alloy, and the design stove is rolled up hot rolling unit, can improve the yield of magnesium alloy coiled material, reduces the processing cost. The roll-type rolling of the magnesium alloy coiled material is convenient for subsequent finishing treatment, the thickness precision, the quality and the surface quality of the coiled material are improved to a certain extent, and a foundation is laid for batch production, quality stabilization and production cost reduction.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A furnace coil hot rolling unit comprises an inlet coiling furnace, an inlet pinch roll, a furnace coil hot rolling mill, a hydraulic shear, an outlet pinch roll and an outlet coiling furnace which are sequentially arranged along the rolling direction of coiled materials,
the inlet pinch roll guides the coiled material transmitted along the reverse rolling direction to the inlet coiling furnace, and the coiled material is guided out of the inlet coiling furnace along the rolling direction to the inlet pinch roll;
the inlet pinch roll is connected with the hot coil rolling mill, and a coiled material is transmitted to the hydraulic shear from the hot coil rolling mill, and the hydraulic shear shears the coiled material to a preset length;
the hydraulic shear is connected with the outlet pinch roll, the outlet pinch roll guides the coiled material transmitted along the rolling direction to the outlet coiling furnace, and the coiled material is guided out from the outlet coiling furnace to the outlet pinch roll along the reverse rolling direction.
2. The coil hot rolling mill train of claim 1, further comprising tension pinch rolls disposed after the exit coiler in a rolling direction; and
and the tension pinch roll is connected with the outlet pinch roll and the coiling machine through a roller way.
3. The coil hot mill train of claim 1, further comprising a pre-centering device disposed between the entry pinch roll and the coil hot mill; and
the post-mill centering device is arranged between the hot coil rolling mill and the hydraulic shear;
the front centering device controls the magnesium alloy coiled material which is pinch-fed by the inlet pinch roll to enter the coil hot rolling mill along the rolling direction;
and the rear centering device controls the magnesium alloy coiled material led out by the hot coil rolling mill and guides the magnesium alloy coiled material to the hydraulic shear along the rolling direction.
4. The coil hot rolling mill train of claim 1, wherein a first guide is provided between the entry coiler and the entry pinch roll;
and when the first guide piece is positioned at the working position, the first guide piece is connected with the inlet pinch roll and the inlet coiling furnace, and the coiled material transmitted from the inlet pinch roll along the reverse rolling direction is guided into the inlet coiling furnace through the first guide piece.
5. The coil hot rolling mill train of claim 1, wherein a second guide is provided between the outlet coiler and the outlet pinch roll;
and when the second guide piece is positioned at the working position, the second guide piece is connected with the outlet pinch roll and the outlet coiling furnace, and coiled materials transmitted from the outlet pinch roll along the rolling direction are guided into the outlet coiling furnace through the second guide piece.
6. The hot coil rolling mill train of claim 3 wherein the hot coil rolling mill includes a frame table that passes through the hot coil rolling mill and connects the front and rear centering devices.
7. The coil hot rolling mill train of claim 1, further comprising a work table disposed in front of the inlet coiler furnace in a rolling direction, the work table being connected to the inlet pinch roll.
8. The furnace coil hot rolling mill train of claim 2, wherein the coiler includes a coil wrapper disposed at an entrance of the coil into the coiler.
9. The coil hot rolling mill train of claim 2, further comprising an uncoiling carriage disposed after the coiler in the rolling direction, the uncoiling carriage being movably disposed relative to the coiler.
10. A processing production line of magnesium alloy coiled materials comprises a casting and rolling unit, a furnace coil hot rolling unit and a finishing unit, and is characterized in that,
the coil assembly is a coil hot rolling assembly as claimed in any one of claims 1 to 9.
CN201920748197.5U 2019-05-23 2019-05-23 Furnace coil hot rolling unit and processing production line of magnesium alloy coiled material Active CN210023261U (en)

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Application Number Priority Date Filing Date Title
CN201920748197.5U CN210023261U (en) 2019-05-23 2019-05-23 Furnace coil hot rolling unit and processing production line of magnesium alloy coiled material

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115228929A (en) * 2022-07-29 2022-10-25 广西广盛新材料科技有限公司 Temperature control method and device for strip steel production, terminal equipment and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115228929A (en) * 2022-07-29 2022-10-25 广西广盛新材料科技有限公司 Temperature control method and device for strip steel production, terminal equipment and storage medium

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