CN115283442A - Vertical rolling mill capable of lifting and adjusting roll system - Google Patents
Vertical rolling mill capable of lifting and adjusting roll system Download PDFInfo
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- CN115283442A CN115283442A CN202210965774.2A CN202210965774A CN115283442A CN 115283442 A CN115283442 A CN 115283442A CN 202210965774 A CN202210965774 A CN 202210965774A CN 115283442 A CN115283442 A CN 115283442A
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- roll
- roll system
- lifting device
- lifting
- rolling mill
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- 238000005096 rolling process Methods 0.000 title claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005034 decoration 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
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to the technical field of vertical rolling mills, in particular to a vertical rolling mill capable of adjusting a roll system in a lifting way, which comprises a rack, a roll system, a lifting device and a pressing device, wherein the roll system is connected with the rack in a sliding way, the roll system is connected with the lifting device, the pressing device is connected with the roll system, and the movement direction of the pressing device is vertical to the movement direction of the lifting device. The invention has the beneficial effects that: the roll system of the vertical rolling mill can be lifted and adjusted to adjust the position, change holes, reduce the temperature drop of steel billets, improve the production speed, stabilize the steel billets without falling, increase the yield, improve the benefit, shorten the distance between the vertical rolling mill and the flat rolling mill, shorten the distance between plants and reduce the equipment investment.
Description
Technical Field
The invention relates to the technical field of vertical rolling mills, in particular to a vertical rolling mill capable of lifting and adjusting a roll system.
Background
At present, the main rolling mill equipment for rolling die steel in China consists of a vertical rolling mill and a flat rolling mill. The vertical rolling mill plays a critical role in rolling. The vertical roller is used for forming required holes through the process to achieve the width required to be produced. The vertical rolling mill extrudes the steel billet to a certain width, and then the steel billet is sent into the flat rolling mill to reach the width of the steel billet to be produced.
The roll assemblies (roll systems) of the prior art vertical rolling mill are fixedly mounted in a frame and cannot move up and down. Therefore, when the hole is replaced, the steel billet needs to be moved, so that the steel temperature is reduced, the rolling force is increased, and equipment is damaged; and the rolling yield is not high, the rhythm efficiency is low, and the income is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a vertical rolling mill capable of adjusting a roll system in a lifting manner.
The invention is realized by the following technical scheme:
a vertical rolling mill capable of adjusting a roll system in a lifting mode comprises a rack, the roll system, a lifting device and a pressing device, wherein the roll system is connected with the rack in a sliding mode, the roll system is connected with the lifting device, the pressing device is connected with the roll system, and the moving direction of the pressing device is perpendicular to the moving direction of the lifting device.
According to the above technical scheme, preferably, the lifting device comprises a first lifting device connected with the top of the roller system, the first lifting device comprises a first motor, a rotating rod and a pull rod, a main body of the first motor is fixedly mounted on the rack, an output shaft of the first motor is connected with a pair of rotating rods through gear transmission, the rotating rods are rotatably connected with the rack, the pair of rotating rods are arranged in parallel, the rotating rods are connected with the pull rod through threads, and the pair of pull rods are fixedly connected with the same roller system.
According to the above technical solution, preferably, the lifting device comprises a second lifting device connected with the bottom of the roller system.
According to the above technical solution, preferably, the main body of the pressing device is fixedly connected to the roller system, the driving part of the pressing device is fixedly connected to the roller, and the roller is slidably connected to the roller system.
According to the technical scheme, preferably, the rack is provided with a horizontal sliding rail, and the roller is connected with the horizontal sliding rail in a sliding manner.
According to the above technical solution, preferably, the second lifting device and the pressing device are both power devices providing bidirectional linear motion.
According to the above technical solution, preferably, the second lifting device includes a main body portion and a driving portion, the driving portion is capable of moving relative to the main body portion, the driving portion is fixedly connected with the bottom of the roller system, and the main body portion can be directly fixedly connected with the ground or fixedly connected with the frame.
According to the above technical solution, preferably, the vertical rolling mill has a pair of parallel roll systems, and the pair of roll systems are respectively provided with a lifting device and a pressing device.
According to the above technical solution, preferably, the main body of the roll system is a roll, the axial lines of the roll system are in the same or parallel lifting direction, the roll is provided with a plurality of holes, the holes of the pair of rolls are in one-to-one correspondence, and the holes are arranged along the axial line direction of the roll.
The invention has the beneficial effects that: the roll system of the vertical rolling mill can be lifted and adjusted to adjust the position, change holes, reduce the temperature drop of steel billets, improve the production speed, stabilize the steel billets without falling, increase the yield, improve the benefit, shorten the distance between the vertical rolling mill and the flat rolling mill, shorten the distance between plants and reduce the equipment investment.
Drawings
Fig. 1 shows a schematic front view of an embodiment of the present invention.
FIG. 2 shows a side view schematic of an embodiment of the present invention.
In the figure: 1. a frame; 11. a horizontal slide rail; 2. a roll system; 21. rolling; 311. a first motor; 312. a rotating rod; 313. a pull rod; 314. a gear; 32. a second lifting device; 4. a pressing device.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in figures 1-2, the invention provides a vertical rolling mill capable of adjusting a roll system 2 in a lifting way, which comprises a frame 1, the roll system 2, a lifting device and a pressing device 4, wherein the roll system 2 is connected with the frame 1 in a sliding way, the roll system 2 is connected with the lifting device, the pressing device 4 is connected with the roll system 2, and the movement direction of the pressing device 4 is vertical to the movement direction of the lifting device.
In particular, the stand 1 is a fixed structure of a prior art neutral rolling mill for supporting other components directly or indirectly. The frame 1 is connected with the roller system 2 in a sliding mode, namely the frame 1 limits the linear moving direction of the roller system 2 through structure and shape. The sliding direction of the roll system 2 is the lifting direction of the roll system 2, or the vertical direction, or the direction perpendicular to the ground where the vertical rolling mill is installed, so that the roll system 2 can achieve the effect of lifting adjustment.
Specifically, the roll system 2 is an execution structure of a neutral rolling mill in the prior art, and the roll system 2 is an assembly of a roll 21 and an installation, connection and transmission structure thereof. The main body of the roll system 2 is a roll 21, the axis of the roll 21 is in the vertical direction or the direction vertical to the ground where the vertical rolling mill is installed, and the axis direction of the roll 21 is consistent with or parallel to the lifting direction of the roll system 2. The roll 21 is provided with a plurality of holes (not shown) having different shapes or sizes, and the plurality of holes are used for rolling different billets so as to obtain different rolling effects. The plurality of holes are arranged along the axial direction of the roller 21, and when the roller 21 is lifted and lowered in the axial direction to adjust the position, the holes are adjusted in accordance with the position, and the holes corresponding to the feed position are adjusted with respect to the fixed feed position. The roller system 2 is connected with the frame 1 in a sliding mode, namely the frame 1 is fixed relatively, and the roller system 2 can slide along a limiting structure of the frame 1. The sliding direction of the roll system 2 is coincident with or parallel to the axial direction of the roll 21. The roller system 2 is connected with a lifting device, the lifting device provides lifting adjustment power and upward supporting force for the roller system 2, and the lifting device drives the roller system 2 to slide upwards or downwards. The pressing device 4 is connected with the roller system 2, the pressing device 4 can drive the roller system 2 to move, and the moving direction of the pressing device 4 is vertical to the moving direction of the lifting device.
Specifically, the lifting device provides power for adjusting the lifting position of the roller system 2.
Specifically, the pressing device 4 is a device for adjusting the roll gap of the rolling mill in the prior art. The rolling mill generally has at least one pair of rolls 21 with a gap between the pair of rolls 21, and the material is fed into and out of the gap and is pressed by the rolls 21 on both sides of the gap to complete the roll forming. However, as the roll 21 wears, the gap distance changes, and the press-up device 4 adjusts the gap size by adjusting the position of the roll system 2. For this embodiment, after the roll system 2 is adjusted to the vertical position, the hole corresponding to the feeding position is also changed. However, the required roll gaps of different holes are different, so that the roll gaps are also required to be adjusted by the pressing device 4 after the roll system 2 is lifted. The pressing device 4 is connected with the roller system 2, so that the position of the roller 21 can be adjusted. With the edger mill in the present embodiment, the axis of the roll 21 is in a vertical state. In order to adjust the roll gap of the vertical rolling mill, the movement direction of the pressing device 4 is vertical to the movement direction of the lifting device.
In one embodiment, the lifting device comprises a first lifting device connected to the top of the roller system 2 and a second lifting device 32 connected to the bottom of the roller system 2, and the first lifting device and the second lifting device 32 cooperate to provide a lifting movement power for the roller system 2.
Further, the first lifting device comprises a first motor 311, a rotating rod 312 and a pull rod 313, wherein a main body of the first motor 311 is fixedly installed on the frame 1, an output shaft of the first motor 311 is in transmission connection with a pair of rotating rods 312 through a gear 314, the pair of rotating rods 312 are arranged in parallel, the rotating rods 312 are in threaded connection with the pull rod 313, and the pair of pull rods 313 are fixedly connected with the same roller system 2. When the first motor 311 is started, the first motor 311 drives a pair of rotating rods 312 to rotate synchronously through a gear 314, and a pair of pull rods 313 fixedly connected with the same roller system 2 are respectively connected with the rotating rods 312 through threads, so that the first motor 311 can drive the roller system 2 to move up and down along the rotating rods 312.
Further, the second lifting device 32 is a cylinder, a hydraulic cylinder or other power device capable of providing bidirectional linear motion. The second elevating device 32 includes a main body and a driving unit which is movable relative to the main body and supplies power to the outside. The driving part is fixedly connected with the bottom of the roller system 2, and the main body part can be directly and fixedly connected with the ground or fixedly connected with the frame 1.
In one embodiment, the pressing device 4 is a hydraulic cylinder or other power device capable of providing bidirectional linear motion. The body of the pressing device 4 is fixedly connected with the roller system 2, the driving part of the pressing device 4 is fixedly connected with the roller 21, and the roller 21 is connected with the roller system 2 in a sliding way. When the hydraulic cylinder of the pressing device 4 is started, the roller 21 can be driven to move, so that the size of the roller gap is adjusted.
Further, the frame 1 is provided with a horizontal slide rail 11, and the roller 21 is slidably connected with the horizontal slide rail 11.
In one embodiment, the vertical rolling mill has a pair of parallel arranged roll trains 2, and the pair of roll trains 2 are provided with a lifting device and a pressing device 4, respectively.
Specifically, the rollers 21 of the pair of roller systems 2 are parallel to each other, and the corresponding holes of the pair of roller systems 2 can be spliced into a complete rolling hole, and the raw material enters the rolling hole spliced between the pair of roller systems 2 and is extruded and rolled to form.
The working principle of the embodiment is as follows: when the billet comes out of the heating furnace and enters one of the profile holes of the vertical rolling mill through the roller way, the vertical rolling mill drives the roller 21 to rotate through the motor, and the billet is extruded to a certain width. And then the steel billet enters a flat rolling mill to be rolled into a certain thickness. And then the steel billet is reversed by the flat rolling mill and sent back to the vertical rolling mill. Meanwhile, the roll system 2 of the vertical rolling mill is lifted, the position of a molding hole is replaced, and the machining requirement is met. By the above-described reciprocating rolling, the rolls 21 are lifted and lowered to finally roll the finished product.
The invention has the beneficial effects that: the roll system 2 of the vertical rolling mill can be lifted and adjusted to change holes, the temperature drop of steel billets is reduced, the production speed is improved, the steel billets are stable and do not fall, the yield is increased, and the benefit is improved. And the distance between the vertical rolling mill and the flat rolling mill is shortened, the distance between plants can be shortened, and the equipment investment is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The vertical rolling mill capable of adjusting the roll system in a lifting mode is characterized by comprising a rack, a roll system, a lifting device and a pressing device, wherein the roll system is connected with the rack in a sliding mode, the roll system is connected with the lifting device, the pressing device is connected with the roll system, and the moving direction of the pressing device is perpendicular to the moving direction of the lifting device.
2. The edger mill of claim 1, wherein the lifting device comprises a first lifting device connected with the top of the roll system, the first lifting device comprises a first motor, a rotating rod and a pull rod, a main body of the first motor is fixedly mounted on the frame, an output shaft of the first motor is connected with a pair of the rotating rods through gear transmission, the rotating rod is rotatably connected with the frame, the pair of the rotating rods are arranged in parallel, the rotating rod is connected with the pull rod through threads, and the pair of the pull rod is fixedly connected with the roll system.
3. The edger mill of claim 1, wherein the lifting device comprises a second lifting device connected to the bottom of the roll system.
4. The edger mill of claim 3, wherein the second lifting device comprises a main body and a driving part, the driving part can move relative to the main body, the driving part is fixedly connected with the bottom of the roll system, and the main body is fixedly connected with the ground or the stand.
5. The edger mill of claim 3, wherein the second lifting device and the pressing device are power devices providing bidirectional linear motion.
6. The edger mill capable of adjusting the roll system in a lifting manner as claimed in claim 1, wherein a body of the pressing device is fixedly connected with the roll system, a driving part of the pressing device is fixedly connected with a roll of the roll system, and the roll is slidably connected with the roll system.
7. The edger mill of claim 6, wherein the frame is provided with horizontal sliding rails, and the rolls are slidably connected with the horizontal sliding rails.
8. The vertical rolling mill capable of adjusting the roll system in a lifting way as claimed in any one of claims 1 to 7, wherein the vertical rolling mill is provided with a pair of the roll systems which are arranged in parallel, and the pair of the roll systems is respectively provided with the lifting device and the pressing device.
9. The edger mill of claim 8, wherein the roll system comprises a roll, the axis of the roll is consistent with the lifting direction of the roll system, the roll is provided with a plurality of shaped holes, the shaped holes of a pair of the roll are in one-to-one correspondence, and the shaped holes are arranged along the axis of the roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210965774.2A CN115283442A (en) | 2022-08-12 | 2022-08-12 | Vertical rolling mill capable of lifting and adjusting roll system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210965774.2A CN115283442A (en) | 2022-08-12 | 2022-08-12 | Vertical rolling mill capable of lifting and adjusting roll system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115283442A true CN115283442A (en) | 2022-11-04 |
Family
ID=83827478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210965774.2A Pending CN115283442A (en) | 2022-08-12 | 2022-08-12 | Vertical rolling mill capable of lifting and adjusting roll system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115283442A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161064A (en) * | 1966-01-14 | 1969-08-13 | United Eng Foundry Co | Rolling Mill. |
| JPS5945015A (en) * | 1982-09-07 | 1984-03-13 | Nippon Steel Corp | Hydraulic rolling-reduction device of vertical rolling mill |
| CN1201724A (en) * | 1997-03-07 | 1998-12-16 | 摩根建设公司 | Automatic roll groove alignment |
| JP2926056B1 (en) * | 1998-08-12 | 1999-07-28 | 川崎重工業株式会社 | General-purpose universal rolling mill |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| CN102363158A (en) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | Vertical roll mill capable of vertically shifting roll |
| CN209953501U (en) * | 2019-05-17 | 2020-01-17 | 唐山市丰润区金瑞城钢铁有限公司 | Steel roller lifting device |
| CN210411910U (en) * | 2019-07-24 | 2020-04-28 | 佛山市三英铝业有限公司 | Novel cold rolling equipment for aluminum coil plate |
| CN212760332U (en) * | 2020-07-31 | 2021-03-23 | 南通金轮智能装备研发有限公司 | Vertical two-roller rolling mill |
| CN113333473A (en) * | 2021-06-04 | 2021-09-03 | 广东韶钢松山股份有限公司 | Device for adjusting vertical roll groove staggering and using method thereof |
-
2022
- 2022-08-12 CN CN202210965774.2A patent/CN115283442A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1161064A (en) * | 1966-01-14 | 1969-08-13 | United Eng Foundry Co | Rolling Mill. |
| JPS5945015A (en) * | 1982-09-07 | 1984-03-13 | Nippon Steel Corp | Hydraulic rolling-reduction device of vertical rolling mill |
| CN1201724A (en) * | 1997-03-07 | 1998-12-16 | 摩根建设公司 | Automatic roll groove alignment |
| JP2926056B1 (en) * | 1998-08-12 | 1999-07-28 | 川崎重工業株式会社 | General-purpose universal rolling mill |
| CN101108395A (en) * | 2007-08-22 | 2008-01-23 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
| CN102363158A (en) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | Vertical roll mill capable of vertically shifting roll |
| CN209953501U (en) * | 2019-05-17 | 2020-01-17 | 唐山市丰润区金瑞城钢铁有限公司 | Steel roller lifting device |
| CN210411910U (en) * | 2019-07-24 | 2020-04-28 | 佛山市三英铝业有限公司 | Novel cold rolling equipment for aluminum coil plate |
| CN212760332U (en) * | 2020-07-31 | 2021-03-23 | 南通金轮智能装备研发有限公司 | Vertical two-roller rolling mill |
| CN113333473A (en) * | 2021-06-04 | 2021-09-03 | 广东韶钢松山股份有限公司 | Device for adjusting vertical roll groove staggering and using method thereof |
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