CN112536325A - Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills - Google Patents
Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills Download PDFInfo
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- CN112536325A CN112536325A CN202011418294.1A CN202011418294A CN112536325A CN 112536325 A CN112536325 A CN 112536325A CN 202011418294 A CN202011418294 A CN 202011418294A CN 112536325 A CN112536325 A CN 112536325A
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- wire
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- wire rod
- rolling mill
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- 238000005096 rolling process Methods 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 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
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills, which comprises: the wire rod guide device comprises a wire rod bottom plate, a wire rod vertical plate and a wire rod baffle plate, wherein the wire rod bottom plate is arranged on the edge of the wire rod bottom plate along the steel feeding direction of a wire rod from an outlet of a first frame rolling mill to an inlet of a second frame rolling mill; the operation condition of the production line is obviously improved by utilizing the invention, the rolling is smooth firstly, the rolling parameters of the production line are stable, and the production is rarely influenced by the change of temperature, speed and material type.
Description
Technical Field
The invention belongs to the field of wire rod rolling, and particularly relates to a device for automatically adjusting the stacking and pulling relationship of two adjacent rolling mills.
Background
The control of the pile-pull relationship is realized by detecting the motor torque of the upstream frame of two adjacent working frames, storing and memorizing the motor torque, forming a tension actual value representing the tension in the billet, and correcting the speed of the upstream frame by proportional and integral control to coordinate the relationship between the upstream frame and the downstream frame. The key for realizing the control of the stacking and pulling relation is to accurately measure the rolling moment of each rolling mill, and the system indirectly obtains the rolling moment value of the rolling mill by detecting the armature torque of a corresponding rack motor and calculating through filtering, compensation and the like.
In the prior art, the stacking-pulling relation is set to a fixed value in advance in production, and along with the change of factors such as the temperature change of a produced running online steel billet, the abrasion degree of a roller groove, the abrasion degree of a guide roller, the abrasion degree of a guide groove, cooling water and the like, the stacking-pulling relation set in advance can not meet the production requirement, so that the product performance does not reach the standard, and the waste steel is stopped for treatment; the field operators need to adjust the rough and middle roll gap guides and guards continuously to meet production requirements, the labor intensity of the operators is increased invisibly, and along with continuous upgrading and transformation of equipment, the capacity improving original design cannot meet the existing production requirements, so that the transformation is necessary.
Disclosure of Invention
The invention aims to provide a device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills so as to solve the problem that the stacking and pulling relationship set in advance needs to be adjusted continuously for the rough middle roll gap guide.
The invention adopts the following technical scheme: an apparatus for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills, comprising:
a wire bottom plate horizontally arranged on the ground between two adjacent rolling mills,
the wire rod vertical plate is arranged along any edge of the wire rod bottom plate and is arranged on the edge of the wire rod bottom plate along the steel feeding direction of the wire rod from the outlet of the first rolling mill to the inlet of the second rolling mill,
a wire baffle plate which is vertically arranged on the wire bottom plate, is parallel to the wire vertical plate and forms a wire channel with the wire vertical plate, the wire channel is used for the wire to pass through and guides the wire before the second frame rolling mill bites steel,
the riser cylinder, fixed connection is close to wire rod baffle department, and is located the wire rod passageway outside, the output and the wire rod riser fixed connection of riser cylinder, and the riser cylinder is used for receiving and lifts up the wire rod riser after triggering the instruction for the wire rod riser leaves the wire rod bottom plate, and then makes the wire rod freely bend the adjustment on the wire rod bottom plate and pile and draw the relation.
Further, the one end of wire rod passageway is the passageway entry, and the other end is the passageway export, still is provided with the entry fixed roll between passageway entry and the export of first frame rolling mill, still is provided with the entry movable roll between entry fixed roll and passageway entry, and the region between entry fixed roll and the entry movable roll is used for the wire rod to pass through, and then leads to the advancing steel direction of wire rod for the smooth entering wire rod passageway of wire rod.
Furthermore, an outlet fixing roller is further arranged between the outlet of the channel and the inlet of the second frame rolling mill and used for guiding the trend of the wire passing through the wire channel, so that the wire smoothly enters the inlet of the second frame rolling mill.
Further, a first current detection module is arranged on the first rolling mill, when the first current detection module detects that the current drop value is larger than a preset value, a trigger instruction is sent, a receiving module is arranged on the vertical plate cylinder, and the vertical plate cylinder is started after the receiving module receives the trigger instruction, so that the vertical plate cylinder lifts the wire vertical plate.
Further, a second current detection module is arranged on the second frame rolling mill, when the second current detection module detects that the current rise value is larger than a preset value, a closing instruction is sent, the receiving module on the vertical plate cylinder receives the closing instruction and then starts the vertical plate cylinder again, and at the moment, the vertical plate cylinder puts down the wire vertical plate, so that the wire vertical plate and the wire baffle form a wire channel again, and the next wire is guided.
Further, the vertical plate air cylinders are provided with two vertical plate air cylinders which are respectively arranged at the position close to the channel inlet and the channel outlet.
The invention has the beneficial effects that: the operation condition of the production line is obviously improved by utilizing the invention, the rolling is smooth firstly, the rolling parameters of the production line are stable, and the production is rarely influenced by the change of temperature, speed and material type; secondly, along with the stability of the rolling rhythm, the control of the plastic deformation of the rolled piece is reliable, and the appearance and the mechanical property of the steel are guaranteed; and because the productivity is improved, great help is brought to cost reduction and efficiency improvement work, environment improvement work and equipment management work of a production workshop.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a wire bottom plate; 2. a wire vertical plate; 3. a wire baffle; 4. a vertical plate cylinder; 5. a wire passage; 6. a channel inlet; 7. a channel outlet; 8. an inlet fixing roller; 9. an inlet movable roller; 10. an outlet fixing roller; 11. and (4) feeding steel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a device for automatically adjusting the stacking and pulling relationship of two adjacent rolling mills, which comprises a wire bottom plate 1, a wire vertical plate 2, a wire baffle plate 3 and a vertical plate cylinder 4, wherein the wire bottom plate 1 is horizontally arranged on the ground between the two adjacent rolling mills, the wire vertical plate 2 is arranged along any edge of the wire bottom plate 1, the wire is arranged on the edge of the wire bottom plate 1 along the steel feeding direction 11 from the outlet of the first rolling mill to the inlet of the second rolling mill, the wire baffle plate 3 is vertically arranged on the wire bottom plate 1, the wire baffle plate 3 is arranged in parallel with the wire vertical plate 2, the wire baffle plate 3 and the wire vertical plate 2 form a wire channel 5, and the wire channel 5 is used for a wire to pass through and guide the wire before the second rolling mill bites steel.
Riser cylinder 4 fixed connection is close to wire rod baffle 3 department, and is located outside wire rod passageway 5, and riser cylinder 4's output and wire rod riser 2's upper end fixed connection, and riser cylinder 4 is used for receiving to lift up wire rod riser 2 after the trigger instruction for wire rod riser 2 leaves wire rod bottom plate 1, and then makes the wire rod freely bend the adjustment on wire rod bottom plate 1 and pile and draw the relation.
Wire rod passageway 5's one end is passageway entry 6, the other end is passageway export 7, riser cylinder 4 is provided with two, and set up respectively and being close to passageway entry 6 and 7 departments of passageway export, because wire rod riser 2 is longer, so can make two riser cylinders 4 mutually support through setting up two riser cylinders 4, snatch and mention wire rod riser 2 is light, if only set up a riser cylinder 4, wire rod riser 2 is crooked easily in the in-process of drawing wire rod riser 2, avoid influencing the normal of wire rod and pass through.
An inlet fixed roller 8 is further arranged between the channel inlet 6 and the outlet of the first frame rolling mill, an inlet movable roller 9 is further arranged between the inlet fixed roller 8 and the channel inlet 6, and an area between the inlet fixed roller 8 and the inlet movable roller 9 is used for the wire rod to pass through, so that the steel feeding direction 11 of the wire rod is guided, and the wire rod smoothly enters the wire rod channel 5. Through setting up entry fixed roll 8 and entry activity roller 9 for the wire rod passes through along the clearance between the two, leads to the wire rod, and makes the wire rod adjust the steel feeding direction 11 of wire rod behind the gap between the two, guarantees that the wire rod gets into in the wire rod passageway 5.
An outlet fixing roller 10 is further arranged between the channel outlet 7 and the inlet of the second frame rolling mill, and the outlet fixing roller 10 is used for guiding the trend of the wire rod after passing through the wire rod channel 5, so that the wire rod smoothly enters the inlet of the second frame rolling mill. The direction of the wire passing through the wire channel 5 may slightly change, so that the wire passing through the wire channel 5 is guided by the outlet fixing roller 10, and the situation that the direction of the wire is changed greatly and cannot enter the inlet of the second frame rolling mill is avoided, so that the wire is corrected by the outlet fixing roller 10.
The first current detection module is arranged on the first rolling mill, when the first current detection module detects that the current drop value is larger than a preset value, a trigger instruction is sent, the vertical plate cylinder 4 is provided with a receiving module, and the receiving module starts the vertical plate cylinder 4 after receiving the trigger instruction. And a second current detection module is arranged on the second frame rolling mill, when the second current detection module detects that the current rise value is greater than a preset value, a closing instruction is sent, the vertical plate cylinder 4 is started again after the receiving module on the vertical plate cylinder 4 receives the closing instruction, and the vertical plate cylinder 4 puts down the wire vertical plate 2, so that the wire vertical plate 2 and the wire baffle 3 form a wire channel 5 again to guide the next wire.
The processing of the wire rod is a flowing water type, when one wire rod passes through the wire rod channel 5, the next wire rod enters the wire rod channel 5 after 5-6 seconds, and therefore the vertical plate air cylinder 4 cannot be controlled manually, the first current detection module, the second current detection module and the receiving module are arranged, the starting of the vertical plate air cylinder 4 is controlled, the processing speed of the wire rod is improved, the probability of producing scrap steel is reduced, and the production cost is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills is characterized by comprising:
a wire bottom plate (1) horizontally arranged on the ground between two adjacent rolling mills,
a wire vertical plate (2) which is arranged along any edge of the wire bottom plate (1) and is arranged on the edge of the wire bottom plate (1) along the steel feeding direction (11) of the wire from the outlet of the first rolling mill to the inlet of the second rolling mill,
the wire baffle (3) is vertically arranged on the wire bottom plate (1), is parallel to the wire vertical plate (2), forms a wire channel (5) with the wire vertical plate (2), the wire channel (5) is used for the wire to pass through and guides the wire before the second frame rolling mill bites steel,
the vertical plate cylinder (4) is fixedly connected to a position close to the wire baffle (3) and located outside the wire channel (5), the output end of the vertical plate cylinder (4) is fixedly connected with the wire vertical plate (2), and the vertical plate cylinder (4) is used for lifting the wire vertical plate (2) after receiving a trigger instruction, so that the wire vertical plate (2) leaves the wire bottom plate (1), and further the wire is freely bent and adjusted on the wire bottom plate (1) to be stacked and pulled.
2. The device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills according to claim 1, wherein one end of the wire passage (5) is a passage inlet (6), the other end of the wire passage is a passage outlet (7), an inlet fixed roller (8) is further arranged between the passage inlet (6) and the first rolling mill outlet, an inlet movable roller (9) is further arranged between the inlet fixed roller (8) and the passage inlet (6), and an area between the inlet fixed roller (8) and the inlet movable roller (9) is used for the wire to pass through, so that the steel feeding direction (11) of the wire is guided, and the wire smoothly enters the wire passage (5).
3. The device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills according to claim 2, wherein an outlet fixing roller (10) is further arranged between the channel outlet (7) and the inlet of the second rolling mill, and the outlet fixing roller (10) is used for guiding the trend of the wire passing through the wire channel (5) so that the wire can smoothly enter the inlet of the second rolling mill.
4. The device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills according to any one of claims 1 to 3, wherein a first current detection module is arranged on the first rolling mill, when the first current detection module detects that the current drop value is greater than a predetermined value, a trigger instruction is sent, a receiving module is arranged on the vertical plate cylinder (4), and the receiving module receives the trigger instruction and then starts the vertical plate cylinder (4), so that the vertical plate cylinder (4) lifts the wire vertical plate (2).
5. The device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills according to claim 4, wherein a second current detection module is arranged on the second rolling mill, when the second current detection module detects that the current rise value is greater than a predetermined value, a closing instruction is sent, the receiving module on the vertical plate cylinder (4) receives the closing instruction and then starts the vertical plate cylinder (4) again, and at this time, the vertical plate cylinder (4) puts down the wire vertical plate (2), so that the wire vertical plate (2) and the wire baffle (3) form a wire channel (5) again to guide the next wire.
6. The device for automatically adjusting the stacking and pulling relationship between two adjacent rolling mills according to claim 5, wherein two vertical plate cylinders (4) are arranged and are respectively arranged near the channel inlet (6) and the channel outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418294.1A CN112536325A (en) | 2020-12-07 | 2020-12-07 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418294.1A CN112536325A (en) | 2020-12-07 | 2020-12-07 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
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| Publication Number | Publication Date |
|---|---|
| CN112536325A true CN112536325A (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011418294.1A Pending CN112536325A (en) | 2020-12-07 | 2020-12-07 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
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| Country | Link |
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| CN (1) | CN112536325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228943A (en) * | 2022-07-29 | 2022-10-25 | 江苏沙钢集团淮钢特钢股份有限公司 | Automatic identification control method for rolled, piled and drawn steel of bar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317102A (en) * | 1928-03-06 | 1929-08-06 | Acme Steel Co | Improvements in or relating to a method of and mill for rolling metal strips and sheets |
| KR20060018302A (en) * | 2004-08-24 | 2006-03-02 | 주식회사 포스코 | Tunner guide apparatus of adjustable type for wire rod rolling mill |
| CN111744955A (en) * | 2019-03-29 | 2020-10-09 | 沈阳市黎明机械构件制造厂 | Continuous rolling production line for special-shaped wire rods |
| CN214053118U (en) * | 2020-12-07 | 2021-08-27 | 陕西龙门钢铁有限责任公司 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
-
2020
- 2020-12-07 CN CN202011418294.1A patent/CN112536325A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB317102A (en) * | 1928-03-06 | 1929-08-06 | Acme Steel Co | Improvements in or relating to a method of and mill for rolling metal strips and sheets |
| KR20060018302A (en) * | 2004-08-24 | 2006-03-02 | 주식회사 포스코 | Tunner guide apparatus of adjustable type for wire rod rolling mill |
| CN111744955A (en) * | 2019-03-29 | 2020-10-09 | 沈阳市黎明机械构件制造厂 | Continuous rolling production line for special-shaped wire rods |
| CN214053118U (en) * | 2020-12-07 | 2021-08-27 | 陕西龙门钢铁有限责任公司 | Device for automatically adjusting stacking and pulling relationship between two adjacent rolling mills |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228943A (en) * | 2022-07-29 | 2022-10-25 | 江苏沙钢集团淮钢特钢股份有限公司 | Automatic identification control method for rolled, piled and drawn steel of bar |
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