CN114406150A - Control method for controlling head and tail ring shape of wire rod - Google Patents

Control method for controlling head and tail ring shape of wire rod Download PDF

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Publication number
CN114406150A
CN114406150A CN202111441226.1A CN202111441226A CN114406150A CN 114406150 A CN114406150 A CN 114406150A CN 202111441226 A CN202111441226 A CN 202111441226A CN 114406150 A CN114406150 A CN 114406150A
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head
tail
speed
laying machine
feeding
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CN114406150B (en
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钱洪建
蒋正
刘满仓
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Jiangsu Shagang Steel Co ltd
Jiangsu Shagang Group Co Ltd
Jiangsu Shagang Iron and Steel Research Institute Co Ltd
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Jiangsu Shagang Group Co Ltd
Zhangjiagang Hongchang Steel Plate Co Ltd
Jiangsu Shagang Iron and Steel Research Institute Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F37/00Manufacture of rings from wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21FWORKING OR PROCESSING OF METAL WIRE
    • B21F23/00Feeding wire in wire-working machines or apparatus
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

The invention discloses a control method for controlling the head and tail ring shape of a wire, which comprises the following specific steps: the pinch roll begins to convey material to the laying head; when the material on the pinch roll reaches the head of the laying head, a feeding signaler of the head of the laying head transmits a feeding signal of the material to a control center; during discharging, a discharging signaler at the tail of the laying head transmits a discharging signal of the material to a control center, and the discharging signal obtains the tail discharging speed of the laying head; the control center sets the material conveying acceleration of the pinch roll according to the tail discharging speed of the laying head; setting feeding parameter speed of a head of the laying head through the acceleration of material transmission of the pinch roll; the control method for controlling the head-tail loop shape of the wire rod reduces the influence of feeding inertia caused by no material in the wire rod on the feeding speed of the head of the wire rod, which is caused when the tail of the wire rod sends and discharges materials, by adjusting the head speed of the wire rod in real time, ensures the consistent quality of the finished wire rod loop shape of the wire rod, and reduces the waste loop rate of the wire rod.

Description

一种用于控制线材头尾圈形的控制方法A control method for controlling the loop shape of the head and tail of a wire

技术领域technical field

本发明涉及钢线材生产领域,特别是一种用于控制线材头尾圈形的控制方法。The invention relates to the field of steel wire rod production, in particular to a control method for controlling the loop shape of the head and tail of the wire rod.

背景技术Background technique

线材在经过轧制后,通过吐丝机吐丝成圈,把高速运动的直线状线材变成圈形稳定、间距均匀的线圈。在线材脱离夹送辊后,进入吐丝机空心轴内,然后沿着吐丝管出口圆周切线方向吐出线圈,但实际过程中,由于吐丝机的空心轴是间隔吐出线圈的,当完成一个吐圈工作时,前一个吐圈所带来的吐圈速度惯性则会影响后一个吐圈工作时的速度,从而造成吐丝后圈形不佳,导致集卷卡钢,同时由于圈形不佳导致打捆质量差,出现大圈形,严重制约生产的顺利进行和产品的外观质量。After the wire rod is rolled, it is laid into a loop through the laying machine, and the linear wire rod moving at a high speed is turned into a coil with stable loop shape and uniform spacing. After the wire is separated from the pinch roll, it enters the hollow shaft of the laying machine, and then spit out the coil along the tangential direction of the circumference of the laying tube outlet. When spinning the coil, the speed inertia of the previous spinning will affect the speed of the next spinning, resulting in a poor shape of the coil after spinning, resulting in the collection of coiled steel. Good quality leads to poor baling quality and large circle shape, which seriously restricts the smooth progress of production and the appearance quality of products.

发明内容SUMMARY OF THE INVENTION

本发明要解决的技术问题是针对上述现有技术的不足,而提供一种用于控制线材头尾圈形的控制方法,该用于控制线材头尾圈形的控制方法通过实时调整吐丝机的机头速度,减小由于吐丝机的机尾送出料时,所带来的吐丝机中无料时而导致的送料惯性,对吐丝机的机头的进料速度的影响,保证吐丝机的成品线材圈形品质一致,减小线材废圈率。The technical problem to be solved by the present invention is to aim at the deficiencies of the above-mentioned prior art, and to provide a control method for controlling the loop shape of the head and tail of the wire, which can adjust the laying machine in real time by adjusting the loop shape of the head and tail of the wire. The speed of the head of the laying head can be reduced, reducing the feeding inertia caused by the absence of material in the laying head when the tail of the laying head is feeding and discharging the material, and the influence on the feeding speed of the head of the laying head, ensuring the spinning The quality of the finished wire of the wire machine is consistent, reducing the wire waste rate.

通过轧件头尾速度区别控制,来优化吐丝头尾圈形Through the differential control of the head and tail speeds of the rolling stock, the loop shape of the spinning head and tail is optimized.

为解决上述技术问题,本发明采用的技术方案是:In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

一种用于控制线材头尾圈形的控制方法,具体步骤如下:A control method for controlling the loop shape of the head and tail of a wire, the specific steps are as follows:

步骤1、在吐丝机的机头设置的进料信号器、在吐丝机的机尾设置的出料信号器,所述进料信号器和出料信号器均与主控室的控制中心相连;Step 1. The feed signal device set at the head of the laying machine and the discharge signal device set at the tail of the laying machine, the feed signal device and the discharge signal device are both connected with the control center of the main control room. connected;

步骤2、传料:夹送辊开始向吐丝机传送物料;Step 2. Material transfer: The pinch roller starts to transfer the material to the laying machine;

步骤3、进料时,当夹送辊上的物料到达吐丝机的机头时,吐丝机的机头的进料信号器将物料的进料信号传送至控制中心;Step 3. During feeding, when the material on the pinch roller reaches the head of the laying machine, the feed signal device of the head of the laying machine transmits the feeding signal of the material to the control center;

步骤4、出料时,吐丝机的机尾的出料信号器将物料的出料信号传送至控制中心;Step 4. When discharging, the discharging signal device at the tail of the laying machine transmits the discharging signal of the material to the control center;

步骤5、吐丝机的机尾出料速度:控制中心根据进料信号和出料信号得到吐丝机的机尾出料速度;Step 5. The tail discharge speed of the laying machine: the control center obtains the tail discharge speed of the laying machine according to the feed signal and the discharge signal;

步骤6、设置夹送辊送料加速度:控制中心根据吐丝机的机尾出料速度设置夹送辊传料加速度;Step 6. Set the feeding acceleration of the pinch roller: the control center sets the feeding acceleration of the pinch roller according to the discharge speed of the tail of the laying machine;

步骤7、通过夹送辊传料加速度,设置吐丝机的机头的进料参数速度;Step 7. Set the feeding parameter speed of the head of the laying machine through the acceleration of the material transfer of the pinch roller;

步骤8、重复步骤3至步骤7,直至夹送辊不再向吐丝机传送物料,关闭夹送辊和吐丝机。Step 8. Repeat steps 3 to 7 until the pinch roll no longer transmits material to the laying head, and close the pinch roll and laying head.

作为本发明的进一步的优先方法,当夹送辊上的物料传送至吐丝机的机头时,夹送辊延迟0.5秒传送。As a further preferred method of the present invention, when the material on the pinch rolls is conveyed to the head of the laying head, the pinch rolls are conveyed with a delay of 0.5 seconds.

作为本发明的进一步的优先方法,所述夹送辊向吐丝机传送物料的传送速度为95m/s-105m/s。As a further preferred method of the present invention, the conveying speed of the pinch roll to convey the material to the laying head is 95m/s-105m/s.

作为本发明的进一步的优先方法,所述吐丝机的机头的进料速度为夹送辊的传送速度的2至5.5倍。As a further preferred method of the present invention, the feed speed of the head of the laying head is 2 to 5.5 times the conveying speed of the pinch rolls.

本发明具有如下有益效果:The present invention has the following beneficial effects:

本发明的一种用于控制线材头尾圈形的控制方法,通过检测吐丝机的机头和机尾的速度,来调整夹送辊传料加速度,进而设置吐丝机的机头的进料参数速度始终保持一致,以此来保证吐丝机的成品线材圈形品质一致,避免了线材圈形不一致,或线材圈形的大小交替,而导致吐丝机机头的集卷卡钢现象和/或线材圈表面擦伤的现象,提高本线材圈的成品率。The present invention is a control method for controlling the loop shape of the head and tail of the wire rod. By detecting the speed of the head and tail of the laying machine, the acceleration of the pinch roller conveying is adjusted, and then the feed rate of the head of the laying machine is set. The speed of the material parameters is always the same, so as to ensure the same quality of the finished wire coil of the laying machine, and to avoid the inconsistent shape of the wire coil, or the alternation of the size of the wire coil, which will lead to the phenomenon of coiling and jamming at the head of the laying machine. And/or the phenomenon of scratches on the surface of the wire coil, improving the yield of the wire coil.

具体实施方式Detailed ways

下面结合具体较佳实施方式对本发明作进一步详细的说明。The present invention will be described in further detail below in conjunction with specific preferred embodiments.

本发明的描述中,需要理解的是,术语“第一”、“第二”等并不表示零部件的重要程度,因此不能理解为对本发明的限制。本实施例中采用的具体尺寸只是为了举例说明技术方案,并不限制本发明的保护范围。In the description of the present invention, it should be understood that the terms "first", "second", etc. do not indicate the importance of the components, and therefore cannot be construed as limiting the present invention. The specific dimensions used in this embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.

一种用于控制线材头尾圈形的控制方法,具体步骤如下:A control method for controlling the loop shape of the head and tail of a wire, the specific steps are as follows:

步骤1、在吐丝机的机头设置的进料信号器、在吐丝机的机尾设置的出料信号器,所述进料信号器和出料信号器均与主控室的控制中心相连Step 1. The feed signal device set at the head of the laying machine and the discharge signal device set at the tail of the laying machine, the feed signal device and the discharge signal device are both connected with the control center of the main control room. connected

步骤2、传料:夹送辊开始向吐丝机传送物料;Step 2. Material transfer: The pinch roller starts to transfer the material to the laying machine;

步骤3、进料时,当夹送辊上的物料到达吐丝机的机头时,吐丝机的机头的进料信号器将物料的进料信号传送至控制中心;Step 3. During feeding, when the material on the pinch roller reaches the head of the laying machine, the feed signal device of the head of the laying machine transmits the feeding signal of the material to the control center;

步骤4、出料时,吐丝机的机尾的出料信号器将物料的出料信号传送至控制中心;Step 4. When discharging, the discharging signal device at the tail of the laying machine transmits the discharging signal of the material to the control center;

步骤5、吐丝机的机尾出料速度:控制中心根据进料信号和出料信号得到吐丝机的机尾出料速度,此时吐丝机完成一个吐圈作业,由于吐丝机是间隔完成吐圈工作的,当吐丝机完成一个吐圈作业时,此时吐丝机会产生吐圈惯性速度,吐丝机的机头进料速度为前一个吐圈惯性速度与吐丝机的机头进料参数速度之和;Step 5. The discharge speed of the tail of the laying machine: The control center obtains the discharge speed of the tail of the laying machine according to the feed signal and the discharge signal. At this time, the laying machine completes a looping operation. If the spinning work is completed at intervals, when the spinning machine completes one spinning operation, the spinning machine will generate the spinning inertial speed at this time, and the feeding speed of the head of the spinning machine is the same as the previous spinning inertial speed and the spinning machine. The sum of the speed of the feeding parameters of the head;

步骤6、设置夹送辊送料加速度:控制中心根据吐丝机的机尾出料速度设置夹送辊传料加速度;Step 6. Set the feeding acceleration of the pinch roller: the control center sets the feeding acceleration of the pinch roller according to the discharge speed of the tail of the laying machine;

步骤7、通过夹送辊传料加速度,设置吐丝机的机头的进料参数速度,由于吐丝机的机头进料速度为前一个吐圈惯性速度与吐丝机的机头进料参数速度之和,所述前一个吐圈惯性速度为吐丝机的机尾出料速度;Step 7. Set the feeding parameter speed of the head of the laying head through the acceleration of the material transfer of the pinch roller. Since the feeding speed of the head of the laying head is the inertia speed of the previous laying coil and the head feeding of the laying head The sum of the parameter speeds, the inertia speed of the previous coil laying machine is the tail discharge speed of the laying machine;

步骤8、重复步骤3至步骤7,直至夹送辊不再向吐丝机传送物料,关闭夹送辊和吐丝机。Step 8. Repeat steps 3 to 7 until the pinch rolls no longer transmit material to the laying head, and close the pinch rolls and laying head.

另外,为了更加准确的控制吐丝机的机头的进料速度,还可以在吐丝机的机头处设置速度感应器,所述速度感应器与主控室的控制中心相连,所述速度感应器检测设置吐丝机的机头的进料参数速度是否符合吐丝机的机头的进料速度要求。In addition, in order to more accurately control the feeding speed of the head of the laying machine, a speed sensor can also be set at the head of the laying machine, and the speed sensor is connected to the control center of the main control room. The sensor detects whether the feeding parameter speed of the head of the laying machine meets the requirements of the feeding speed of the head of the laying machine.

另外,当夹送辊上的物料传送至吐丝机的机头时,夹送辊延迟0.5秒传送,用于吐丝机的机头进料速度变化调整时间。In addition, when the material on the pinch roll is transferred to the head of the laying machine, the pinch roll is delayed for 0.5 seconds to transfer, and the feeding speed of the head of the laying machine is changed to adjust the time.

另外,所述夹送辊向吐丝机传送物料的传送速度为95m/s-105m/s。In addition, the conveying speed of the pinch roller to convey the material to the laying machine is 95m/s-105m/s.

另外,所述吐丝机的机头的进料速度为夹送辊的传送速度的2至5.5倍。In addition, the feed speed of the head of the laying head is 2 to 5.5 times the conveying speed of the pinch rolls.

以上详细描述了本发明的优选实施方式,但是,本发明并不限于上述实施方式中的具体细节,在本发明的技术构思范围内,可以对本发明的技术方案进行多种等同变换,这些等同变换均属于本发明的保护范围。The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details in the above-mentioned embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention. These equivalent transformations All belong to the protection scope of the present invention.

Claims (4)

1.一种用于控制线材头尾圈形的控制方法,其特征在于:具体步骤如下:1. a control method for controlling the loop shape of the head and tail of a wire, is characterized in that: the concrete steps are as follows: 步骤1、在吐丝机的机头设置的进料信号器、在吐丝机的机尾设置的出料信号器,所述进料信号器和出料信号器均与主控室的控制中心相连;Step 1. The feed signal device set at the head of the laying machine and the discharge signal device set at the tail of the laying machine, the feed signal device and the discharge signal device are both connected with the control center of the main control room. connected; 步骤2、传料:夹送辊开始向吐丝机传送物料;Step 2. Material transfer: The pinch roller starts to transfer the material to the laying machine; 步骤3、进料时,当夹送辊上的物料到达吐丝机的机头时,吐丝机的机头的进料信号器将物料的进料信号传送至控制中心;Step 3. During feeding, when the material on the pinch roller reaches the head of the laying machine, the feed signal device of the head of the laying machine transmits the feeding signal of the material to the control center; 步骤4、出料时,吐丝机的机尾的出料信号器将物料的出料信号传送至控制中心;Step 4. When discharging, the discharging signal device at the tail of the laying machine transmits the discharging signal of the material to the control center; 步骤5、吐丝机的机尾出料速度:控制中心根据进料信号和出料信号得到吐丝机的机尾出料速度;Step 5. The tail discharge speed of the laying machine: the control center obtains the tail discharge speed of the laying machine according to the feed signal and the discharge signal; 步骤6、设置夹送辊送料加速度:控制中心根据吐丝机的机尾出料速度设置夹送辊传料加速度;Step 6. Set the feeding acceleration of the pinch roller: the control center sets the feeding acceleration of the pinch roller according to the discharge speed of the tail of the laying machine; 步骤7、通过夹送辊传料加速度,设置吐丝机的机头的进料参数速度;Step 7. Set the feeding parameter speed of the head of the laying machine through the acceleration of the material transfer of the pinch roller; 步骤8、重复步骤3至步骤7,直至夹送辊不再向吐丝机传送物料,关闭夹送辊和吐丝机。Step 8. Repeat steps 3 to 7 until the pinch roll no longer transmits material to the laying head, and close the pinch roll and laying head. 2.根据权利要求1所述的用于控制线材头尾圈形的控制方法,其特征在于:当夹送辊上的物料传送至吐丝机的机头时,夹送辊延迟0.5秒传送。2 . The control method for controlling the loop shape of the head and tail of the wire according to claim 1 , wherein when the material on the pinch roller is transferred to the head of the laying machine, the pinch roller delays the transfer by 0.5 seconds. 3 . 3.根据权利要求1所述的用于控制线材头尾圈形的控制方法,其特征在于:所述夹送辊向吐丝机传送物料的传送速度为95m/s-105m/s。3 . The control method for controlling the loop shape of the head and tail of the wire according to claim 1 , wherein the conveying speed of the pinch roller to convey the material to the laying machine is 95m/s-105m/s. 4 . 4.根据权利要求3所述的用于控制线材头尾圈形的控制方法,其特征在于:所述吐丝机的机头的进料速度为夹送辊的传送速度的2至5.5倍。4 . The control method for controlling the loop shape of the head and tail of the wire according to claim 3 , wherein the feeding speed of the head of the laying machine is 2 to 5.5 times the conveying speed of the pinch roller. 5 .
CN202111441226.1A 2021-11-30 2021-11-30 A control method for controlling the coil shape of the head and tail of the wire rod Active CN114406150B (en)

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