CN114406150B - Control method for controlling head-tail coil shape of wire rod - Google Patents
Control method for controlling head-tail coil shape of wire rod Download PDFInfo
- Publication number
- CN114406150B CN114406150B CN202111441226.1A CN202111441226A CN114406150B CN 114406150 B CN114406150 B CN 114406150B CN 202111441226 A CN202111441226 A CN 202111441226A CN 114406150 B CN114406150 B CN 114406150B
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- CN
- China
- Prior art keywords
- head
- feeding
- laying
- wire
- tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F37/00—Manufacture of rings from wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The invention discloses a control method for controlling the shape of a coil of a wire head and a coil of a wire tail, which comprises the following specific steps: the pinch rolls begin to deliver material to the laying head; when the materials on the pinch rolls reach the head of the laying head, a feeding signal device of the head of the laying head transmits feeding signals of the materials to a control center; when discharging, a discharge signal of the tail of the wire laying machine is transmitted to a control center by a discharge signal device of the tail of the wire laying machine, and the discharge speed of the tail of the wire laying machine is obtained; the control center sets the feeding acceleration of the pinch roll according to the tail discharging speed of the laying head; setting feeding parameter speed of a machine head of the laying head through feeding acceleration of a pinch roll; according to the control method for controlling the coil shape of the wire head and the tail, the head speed of the wire laying head is regulated in real time, so that feeding inertia caused by no feeding in the wire laying head when the tail of the wire laying head is fed and discharged is reduced, the influence on the feeding speed of the head of the wire laying head is ensured, the coil shape quality of a finished wire of the wire laying head is consistent, and the wire waste coil rate is reduced.
Description
Technical Field
The invention relates to the field of steel wire production, in particular to a control method for controlling the shape of a coil of a wire rod.
Background
After the wire rod is rolled, the wire rod is coiled by a wire laying machine, and the linear wire rod moving at high speed is changed into a coil with stable coil shape and uniform interval. After the coil material breaks away from the pinch roll, the coil material enters the hollow shaft of the spinning machine and then is discharged along the circumferential tangential direction of the outlet of the spinning pipe, but in the practical process, because the hollow shaft of the spinning machine is used for discharging the coil at intervals, when one coil discharging work is completed, the inertia of the coil discharging speed brought by the former coil discharging can influence the speed of the latter coil discharging work, thereby causing poor coil shape after the spinning, leading to coil collecting steel clamping, and meanwhile, poor bundling quality due to poor coil shape, large coil shape, serious restriction on smooth production and appearance quality of products.
Disclosure of Invention
The invention aims at solving the technical problems of the prior art, and provides a control method for controlling the coil shape of a wire head and a coil shape, which reduces the feeding inertia caused by no material in the wire laying head when the tail of the wire laying head is fed and discharged by adjusting the head speed of the wire laying head in real time, influences the feeding speed of the head of the wire laying head, ensures the consistent coil shape quality of the finished wire of the wire laying head and reduces the waste coil rate of the wire laying head.
Optimizing laying head tail coil shape by differential control of rolling piece head and tail speed
In order to solve the technical problems, the invention adopts the following technical scheme:
a control method for controlling the coil shape of a wire rod head and tail comprises the following specific steps:
step 1, a feeding annunciator arranged at a machine head of a wire laying machine and a discharging annunciator arranged at a machine tail of the wire laying machine, wherein the feeding annunciator and the discharging annunciator are connected with a control center of a main control room;
step 2, material conveying: the pinch rolls begin to deliver material to the laying head;
step 3, when the materials on the pinch rolls reach the head of the laying head, a feeding signal device of the head of the laying head transmits feeding signals of the materials to a control center;
step 4, during discharging, a discharging signal of the tail of the spinning machine transmits a discharging signal of the material to a control center;
step 5, discharging speed of the tail of the laying head: the control center obtains the tail discharge speed of the laying head according to the feeding signal and the discharging signal;
step 6, setting feeding acceleration of a pinch roll: the control center sets the feeding acceleration of the pinch roll according to the tail discharging speed of the laying head;
step 7, setting feeding parameter speed of a machine head of the laying head through feeding acceleration of a pinch roll;
and 8, repeating the steps 3 to 7 until the pinch roll does not convey materials to the laying head any more, and closing the pinch roll and the laying head.
As a further preferred method of the invention, the pinch rolls delay 0.5 seconds of delivery as the material on the pinch rolls is delivered to the head of the laying head.
As a further preferred method of the invention, the pinch rolls deliver material to the laying head at a delivery rate of from 95m/s to 105m/s.
As a further preferred method of the invention, the feed rate of the laying head is from 2 to 5.5 times the delivery rate of the pinch rolls.
The invention has the following beneficial effects:
according to the control method for controlling the coil shape of the wire rod head and the tail, the feeding acceleration of the pinch roll is regulated by detecting the speeds of the head and the tail of the wire-laying machine, so that the feeding parameter speed of the head of the wire-laying machine is always kept consistent, the coil shape quality of a finished wire rod of the wire-laying machine is ensured to be consistent, the phenomenon that the coil clamping steel of the head of the wire-laying machine and/or the surface of the wire rod coil is scratched due to inconsistent coil shapes or alternate coil shapes is avoided, and the rate of finished wire rod coils is improved.
Detailed Description
The present invention will be described in further detail with reference to specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "first," "second," and the like do not denote any importance of the components, and thus should not be construed as limiting the present invention. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
A control method for controlling the coil shape of a wire rod head and tail comprises the following specific steps:
step 1, a feeding annunciator arranged at a machine head of a wire laying machine and a discharging annunciator arranged at a machine tail of the wire laying machine, wherein the feeding annunciator and the discharging annunciator are connected with a control center of a main control room
Step 2, material conveying: the pinch rolls begin to deliver material to the laying head;
step 3, when the materials on the pinch rolls reach the head of the laying head, a feeding signal device of the head of the laying head transmits feeding signals of the materials to a control center;
step 4, during discharging, a discharging signal of the tail of the spinning machine transmits a discharging signal of the material to a control center;
step 5, discharging speed of the tail of the laying head: the control center obtains the tail discharge speed of the laying head according to the feeding signal and the discharge signal, the laying head finishes a laying operation at the moment, and the laying head finishes a laying operation at intervals;
step 6, setting feeding acceleration of a pinch roll: the control center sets the feeding acceleration of the pinch roll according to the tail discharging speed of the laying head;
step 7, setting feeding parameter speed of a head of the laying head through feeding acceleration of a pinch roll, wherein the feeding speed of the head of the laying head is the sum of the inertial speed of a previous laying ring and the feeding parameter speed of the head of the laying head, and the inertial speed of the previous laying ring is the discharging speed of a tail of the laying head;
and 8, repeating the steps 3 to 7 until the pinch roll does not convey materials to the laying head any more, and closing the pinch roll and the laying head.
In addition, in order to control the feeding speed of the head of the laying head more accurately, a speed sensor can be arranged at the head of the laying head and connected with a control center of a main control room, and the speed sensor detects whether the feeding parameter speed of the head of the laying head meets the feeding speed requirement of the head of the laying head.
In addition, when the material on the pinch rolls is delivered to the head of the laying head, the pinch rolls are delayed for 0.5 seconds delivery for the head feed rate variation adjustment time of the laying head.
In addition, the conveying speed of the pinch roll for conveying the material to the laying head is 95-105 m/s.
In addition, the feed rate of the head of the laying head is 2 to 5.5 times the conveying speed of the pinch rolls.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the equivalent changes belong to the protection scope of the present invention.
Claims (4)
1. A control method for controlling the shape of a coil of wire rod, characterized by: the method comprises the following specific steps:
step 1, arranging a feeding annunciator at a machine head of a wire laying machine, arranging a discharging annunciator at a machine tail of the wire laying machine, and connecting the feeding annunciator and the discharging annunciator with a control center of a main control room;
step 2, material conveying: the pinch rolls begin to deliver material to the laying head;
step 3, when the materials on the pinch rolls reach the head of the laying head, a feeding signal device of the head of the laying head transmits feeding signals of the materials to a control center;
step 4, during discharging, a discharging signal of the tail of the spinning machine transmits a discharging signal of the material to a control center;
step 5, discharging speed of the tail of the laying head: the control center obtains the tail discharge speed of the laying head according to the feeding signal and the discharging signal;
step 6, setting the pinch roll material conveying acceleration: the control center sets the feeding acceleration of the pinch roll according to the tail discharging speed of the laying head;
step 7, setting the feeding speed of a machine head of the laying head through the feeding acceleration of the pinch roll;
and 8, repeating the steps 3 to 7 until the pinch roll does not convey materials to the laying head any more, and closing the pinch roll and the laying head.
2. The control method for controlling the coil shape of a wire rod according to claim 1, wherein: the pinch rolls delay 0.5 seconds of delivery as the material on the pinch rolls is delivered to the head of the laying head.
3. The control method for controlling the coil shape of a wire rod according to claim 1, wherein: the conveying speed of the pinch roll for conveying materials to the laying head is 95-105 m/s.
4. A control method for controlling the shape of a coil of wire rod as set forth in claim 3, wherein: the feed rate of the head of the laying head is 2 to 5.5 times the conveying speed of the pinch rolls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441226.1A CN114406150B (en) | 2021-11-30 | 2021-11-30 | Control method for controlling head-tail coil shape of wire rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441226.1A CN114406150B (en) | 2021-11-30 | 2021-11-30 | Control method for controlling head-tail coil shape of wire rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114406150A CN114406150A (en) | 2022-04-29 |
| CN114406150B true CN114406150B (en) | 2023-07-18 |
Family
ID=81266438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441226.1A Active CN114406150B (en) | 2021-11-30 | 2021-11-30 | Control method for controlling head-tail coil shape of wire rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114406150B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855119A (en) * | 1981-09-30 | 1983-04-01 | Toshiba Corp | Controlling device for relative positions of material to be rolled to laying head |
| JPS5886930A (en) * | 1981-11-18 | 1983-05-24 | Toshiba Corp | Relative position controller of rolling material and laying head |
| US7093472B1 (en) * | 2006-03-14 | 2006-08-22 | Morgan Construction Company | Method of continuously rolling a product exiting from an upstream roll stand at a velocity higher than the take in velocity of a downstream roll stand |
| US7918119B2 (en) * | 2007-04-02 | 2011-04-05 | Siemens Industry, Inc. | Method of controlling the speed of a laying head in a rolling mill |
| JP6640625B2 (en) * | 2016-03-23 | 2020-02-05 | 株式会社神戸製鋼所 | Method of controlling ring diameter of wire and wire manufacturing apparatus |
| CN109759459A (en) * | 2019-02-27 | 2019-05-17 | 南京钢铁股份有限公司 | A kind of control method of slow cooling steel wire rod ring |
-
2021
- 2021-11-30 CN CN202111441226.1A patent/CN114406150B/en active Active
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| Publication number | Publication date |
|---|---|
| CN114406150A (en) | 2022-04-29 |
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Address after: 215600 Shagang Science and Technology Building, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Shagang Steel Co.,Ltd. Country or region after: China Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Patentee after: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. Address before: Suzhou City, Jiangsu province 215625 Zhangjiagang City Jin Fengzhen Shagang Technology Building Patentee before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. Country or region before: China Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. Patentee before: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. |