CN214391640U - Strip steel head and tail optimized shearing control system - Google Patents
Strip steel head and tail optimized shearing control system Download PDFInfo
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- CN214391640U CN214391640U CN202120259316.8U CN202120259316U CN214391640U CN 214391640 U CN214391640 U CN 214391640U CN 202120259316 U CN202120259316 U CN 202120259316U CN 214391640 U CN214391640 U CN 214391640U
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Abstract
The utility model discloses a strip steel head and tail optimized shearing control system, which comprises a width measuring and head and tail profile scanner, a first laser velocimeter, a strip steel tracking mechanism and a core controller; the width and head and tail profile measuring scanner and the first laser velocimeter are both erected above the outlet position of the R2 work roll of the roughing mill, the strip steel tracking mechanism is arranged at the inlet position of the flying shear, and the width and head and tail profile measuring scanner, the first laser velocimeter and the strip steel tracking mechanism are all electrically connected with the core controller. The system can optimize the shearing position of the strip steel according to the shape of the strip steel, is stable and reliable in operation and convenient to install, avoids the problem that waste is caused by insufficient shearing or waste is caused by excessive shearing, and improves the yield of the strip steel.
Description
Technical Field
The utility model relates to a belted steel optimizes the shearing technical field, and more specifically the utility model relates to a belted steel head and the tail is optimized and is sheared control system that says so.
Background
At present, in a hot rolling production line, flying shears are required to be installed in front of a finishing mill unit for removing irregular heads and tails of intermediate billets in order to enable the intermediate billets to smoothly enter the finishing mill and ensure rolling quality, the accuracy of the shearing positions of the flying shears is critical, too few flying shears affect threading and rolling quality, too many flying shears result in reduction of yield, a fixed-length shearing mode is adopted in a traditional flying shear shearing method, and the shearing positions of the fixed-length shearing mode are difficult to control pertinently according to the shapes of the heads and the tails of strip steels due to the fact that the shapes of the strip steels to be sheared are different, and the head and the tail shearing effect of the strip steels is not ideal.
Therefore, how to provide an accurate, reliable and convenient-to-install strip steel head and tail optimization shearing control system is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a belted steel head and tail is optimized and is cuted control system, this system has solved the current belted steel mode of shearing and has been difficult to the pertinence according to the shape control shearing position of belted steel head and tail through the reasonable improvement of structure, leads to the unsatisfactory problem of belted steel head and tail shearing effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a strip head-to-tail optimized shear control system, the system comprising: the width and head and tail profile measuring device comprises a width and head and tail profile measuring scanner, a first laser velocimeter, a strip steel tracking mechanism and a core controller;
the width and head and tail profile measuring scanner and the first laser speed meter are erected above the outlet position of the R2 work roll of the roughing mill, the strip steel tracking mechanism is arranged at the inlet position of the flying shear, and the width and head and tail profile measuring scanner, the first laser speed meter and the strip steel tracking mechanism are electrically connected with the core controller.
The utility model has the advantages that: the system detects the shapes of the head and the tail of the strip steel through the width measuring and head and tail profile scanner and the first laser velocimeter, and the optimal shearing position of the strip steel is determined by matching with a core controller, the strip steel tracking mechanism tracks the strip steel by measuring the position and the moving speed of the strip steel and provides signals required by flying shear control, so that the shearing position of the strip steel can be optimized according to the shape of the strip steel, the system is stable and reliable in operation and convenient to install, the problem that waste is caused by insufficient shearing or excessive shearing is avoided, and the yield of the strip steel is improved.
Furthermore, the width measurement and head-tail profile scanner comprises a CCD linear array camera, a signal processing circuit board, a measuring head protection assembly, a width measurement instrument host, a real-time output terminal and an operation table display terminal;
the two CCD linear cameras are erected above the outlet position of the R2 work roll of the roughing mill, the two CCD linear cameras are electrically connected with the signal processing circuit board, the measuring head protection assembly is sleeved on the outer sides of the two CCD linear cameras and the signal processing circuit board, the signal processing circuit board is electrically connected with the width gauge host, and the width gauge host is electrically connected with the real-time output terminal and the operation table display terminal respectively.
The utility model discloses well survey wide and head and tail profile scanner has the function that the head and tail profile detected, when belted steel gets into the measurement area who surveys wide and head and tail profile scanner, survey wide and head and tail profile scanner with the scanning speed of highest 1250 times per second, 5400 pixel's resolution ratio, the change of scanning belted steel shape along with time, the speed signal of the belted steel that the cooperation laser velocimeter gathered, can be accurate give the profile shape of belted steel head and afterbody to accurate reliable realization head and tail profile detection function.
Furthermore, the width and head-tail profile measuring scanner further comprises a calibrator arranged on a conveying roller way of the strip steel.
The calibrator is used for calibrating the width measurement and head and tail profile scanner, and can automatically determine the working parameters of the width measurement and head and tail profile scanner and correct the nonlinearity of the optical system through calibration. The standard plate on the calibrator is provided with a plurality of light-transmitting windows, and an adjustable simulation light source is arranged in the standard plate, so that steel plates with different temperatures and different widths can be simulated. During calibration, the calibrator is placed on the roller way, the system calibration can be completed by starting the automatic calibration function, and system parameters are determined and stored.
Furthermore, the width measurement and head-tail profile scanner further comprises a portable computer, and the portable computer is electrically connected with the signal processing circuit board.
Working parameter in the signal processing circuit board can be modified through another paired line by the width gauge host computer, for the convenience modify, the utility model discloses set up portable computer, like this, working parameter in the signal processing circuit board can lug connection to portable computer modify, operate convenient and fast more.
Furthermore, the gauge head protection assembly comprises a gauge head protection box, a water-cooling heat exchanger and an anti-fog induced air nozzle, the gauge head protection box is sleeved on the two CCD linear array cameras and the outer side of the signal processing circuit board, the water-cooling heat exchanger is arranged in the gauge head protection box, and the anti-fog induced air nozzle is correspondingly arranged below the two CCD linear array cameras.
The utility model discloses well gauge head protecting box mainly plays the effect of protection CCD linear array camera and signal processing circuit board, and the inside water cooled heat exchanger that is equipped with of gauge head protecting box makes and keeps constant temperature in the gauge head protecting box. Like this, the gauge head protective housing can directly be placed in the steel rolling environment of red-hot, need not extra protection, and it is more convenient to install.
The utility model discloses the bottom of well gauge head protecting box is opened there are two windows, and two CCD linear array cameras are measured belted steel through these two windows.
Further, the strip steel tracking mechanism comprises a second laser velocimeter and two scanning hot metal detectors, the second laser velocimeter and the two scanning hot metal detectors are sequentially erected above the entrance of the flying shear, and the second laser velocimeter and the two scanning hot metal detectors are both electrically connected with the core controller.
Further, the first laser velocimeter and the second laser velocimeter are respectively erected above the entrance position of the flying shear through a rotary arm type mounting rack;
the rotary arm type mounting frame comprises a base, an upright post, a rotary shaft, a horizontal rotary arm and a protection box, wherein the upright post is vertically arranged on the base, the bottom of the rotary shaft is fixedly connected with the top of the upright post, the top of the rotary shaft is pivotally connected with the horizontal rotary arm, the protection box is arranged at the top of one end, far away from the rotary shaft, of the horizontal rotary arm and is communicated with the lower portion of the horizontal rotary arm, and the first laser velocimeter or the second laser velocimeter is arranged in the protection box.
Furthermore, the bottom of horizontal spiral arm corresponds the protective housing position still is equipped with the induced air nozzle, the stand is close to one side of bottom and is equipped with air inlet, the stand the rotation axis with horizontal spiral arm all has well plenum chamber, air inlet loops through the stand the rotation axis with the well plenum chamber of horizontal spiral arm with the induced air nozzle intercommunication.
Further, the core controller is a PLC. A PLC (Programmable Logic Controller) is a digital arithmetic operation electronic system designed specifically for automation control in an industrial environment. The programmable controller is formed by modularly combining an internal CPU, an instruction and data memory, an input/output unit, a power supply module, a digital analog unit and the like, and controls the operation of field detection equipment and flying shears in the system through digital or analog input and output.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the whole structure of a strip steel head-tail optimized shearing control system provided by the present invention;
fig. 2 is a schematic structural view of a width and head-tail profile scanner according to an embodiment of the present invention;
fig. 3 is a schematic view of the measurement principle of two CCD linear cameras in the embodiment of the present invention;
FIG. 4 is a schematic diagram of the shearing position of the narrow-head-shaped strip steel in the embodiment of the present invention;
FIG. 5 is a schematic diagram of the shearing position of a wide-head-shaped strip steel in the embodiment of the present invention;
FIG. 6 is a schematic diagram of the cutting position of the fishtail-shaped strip steel in the embodiment of the present invention;
fig. 7 is a schematic structural view of the rotating arm type mounting rack according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached figure 1, the embodiment of the utility model discloses a belted steel head and tail is optimized and is cuted control system, and this system includes: the width and head and tail profile measuring device comprises a width and head and tail profile measuring scanner 1, a first laser velocimeter 2, a strip steel tracking mechanism and a core controller 5;
the width and head and tail profile measuring scanner 1 and the first laser speed measuring instrument 2 are both erected above the outlet position of the R2 work roll 6 of the roughing mill, the strip steel tracking mechanism is arranged at the inlet position of the flying shear 7, and the width and head and tail profile measuring scanner 1, the first laser speed measuring instrument 2 and the strip steel tracking mechanism are all electrically connected with the core controller 5.
The utility model discloses well survey wide and end profile scanner 1, first laser velocimeter 2 and belted steel tracking mechanism set up between roughing mill R2 work roll 6 and finishing mill work roll 9, core controller 5 confirms the optimal shearing position of belted steel according to survey wide and end profile scanner 1 and the belted steel end and end profile shape information that first laser velocimeter 2 cooperation obtained, and send shearing instruction signal to flying shear controller according to the relevant data that belted steel tracking mechanism uploaded, flying shear controller control flying shear carries out belted steel and shears, thereby realize belted steel shearing process's optimization.
More preferably, referring to fig. 2 and fig. 3, the width measuring and head-tail profile scanner 1 includes a CCD linear camera 101, a signal processing circuit board (not shown), a measuring head protection component, a width measuring instrument host 103, a real-time output terminal 104, and an operation panel display terminal 105;
two CCD linear cameras 101 are arranged, the two CCD linear cameras 101 are erected above the outlet position of the R2 work roll 6 of the roughing mill, the two CCD linear cameras 101 are electrically connected with a signal processing circuit board, the measuring head protection assembly is sleeved on the outer sides of the two CCD linear cameras 101 and the signal processing circuit board, the signal processing circuit board is electrically connected with a width measuring instrument host machine 103, and the width measuring instrument host machine 103 is electrically connected with a real-time output terminal 104 and an operation table display terminal 105 respectively.
Preferably, the width and head-tail profile measuring scanner 1 further comprises a calibrator 106, and the calibrator 106 is arranged on a roller table of the strip steel.
Preferably, the width measurement and head-tail profile scanner 1 further comprises a portable computer 107, and the portable computer 107 is electrically connected with the signal processing circuit board.
Specifically, the gauge head protection assembly comprises a gauge head protection box 102, a water-cooling heat exchanger (not shown) and an anti-fog induced air nozzle 108, the gauge head protection box 102 is sleeved outside the two CCD linear cameras 101 and the signal processing circuit board, the water-cooling heat exchanger is arranged in the gauge head protection box 102, the anti-fog induced air nozzle 108 is fixedly installed at the bottom of the gauge head protection box 102, and the anti-fog induced air nozzle 108 is correspondingly arranged below the two CCD linear cameras 101.
In the embodiment, the width and head-tail profile measuring scanner 1 can adopt a CCD type hot rolled strip width measuring instrument which adopts a stereoscopic vision principle, referring to fig. 3, two CCD linear cameras 101 (i.e. CCD1 and CCD2 in the figure) are used for simultaneously shooting two edges of a steel plate c from different angles to simulate two eyes of a human to form a stereoscopic vision, and positions (X1, Y1) and (X2, Y2) of the two edges in an X-Y coordinate system can be measured, so that the linear distance of the two edges is calculated to obtain the width of the steel plate, and the influence of the jumping and the inclination of the steel plate on the measurement is eliminated.
The resolution of the CCD linear camera 101 used in this embodiment can reach 5400 pixels, the two cameras are mounted on the structural plate to realize erection, installation and fixation, and the structural plate is made of a material with high rigidity and a small temperature coefficient to reduce the influence of deformation caused by temperature change on measurement.
The outer cover of the gauge head protection box 102 in the embodiment adopts a heat insulation protection design, and is made of inner and outer layers of stainless steel plates filled with heat insulation materials, and the water-cooling heat exchanger is arranged inside the gauge head protection box 102, so that the gauge head protection box 102 can be kept at a constant temperature, and thus, the gauge head protection box 102 can be directly placed in a glowing steel rolling environment without extra protection.
Preferably, the gauge head protection box 102 is placed on the shockproof support, so that external impact and shock can be absorbed and reduced, and the problem that structural change is caused by shock, and further, the change of geometric optical parameters is caused, and the measurement precision is influenced is solved.
In this embodiment, the signal processing circuit board is installed in the probe protection box 102, and data is input or output through two twisted pairs. After the circuit board is set, the circuit board can be separated from a host machine to work independently, and has the characteristics of strong function, simple structure and convenience in maintenance. Meanwhile, after the width of the steel plate is calculated by the circuit board, the width is broadcasted outwards in the form of a data packet through a serial data interface and a twisted pair, any device connected to the twisted pair can receive measurement data, such as a width meter host machine 103, a real-time output terminal 104, an operation table display terminal 105 (a plurality of devices can be arranged), an LED display and the like, and the maximum length of the twisted pair can reach 1200 meters.
In the embodiment, the width measuring instrument host 103 is installed in an instrument room or an operation room, and can modify and store parameters of the CCD linear array camera 101; various curves can be displayed: such as width, central position, jumping height, strip steel temperature, strip steel head and tail shape and the like; the light intensity distribution of the two CCD linear cameras 101 can be observed, the system can be diagnosed, and an optical or electric system can be checked and judged. Meanwhile, the width gauge host 103 can receive information such as the coil number and the set width provided by the primary computer and send the information to the gauge head, the real-time output terminal 104 and each console display terminal 105.
The real-time output terminal 104 is used for outputting real-time data, the response speed reaches 5-10 ms, and the real-time output terminal is used for places with high response speed requirements, such as the need of outputting real-time width deviation signals for realizing automatic width control.
The real-time output terminal 104 in this embodiment may output the following signals:
1. normal signal (switching value), i.e. when the width gauge is in normal measurement state, the contact is closed;
2. a steel signal (switching value) exists, namely when a steel plate passes through the width gauge, a contact is closed;
3. the width deviation value is (-10 to +10V), and the corresponding width deviation range in this embodiment can be set by the width measuring instrument host 103, such as-50 mm to +50 mm;
4. the center position deviation range is set by the width measuring instrument main unit 103, such as-100 mm to +100 mm.
In this embodiment, two console display terminals 105 are provided, and the console display terminals 105 are installed in the console room and used for providing a display screen for an operator, where the screen is completely the same as the width gauge host 103, but the parameter setting of the gauge head cannot be modified.
The whole width and head-tail profile scanner 1 can be installed above a strip steel output roller way by adopting an installation platform, after the installation is completed, cooling water a is introduced into a water-cooled heat exchanger in the measuring head protection box 102, compressed air b is introduced into the anti-fog induced air nozzle 108 through an induced air channel, a section of air curtain is formed below the anti-fog induced air nozzle 108, and the water on the surface of strip steel c arranged on the roller way is cleaned to a certain extent.
Preferably, in order to ensure that the optical lens of the CCD linear camera 101 works in a severe industrial field environment for a long time, the present embodiment further performs a lens dustproof design, and the lens protection device is disposed at the lower portion of the probe protection box 102, so as to provide a clean dust-free channel for the measurement light path, reduce the pollution of the optical lens, form a space without airflow flowing in front of the measurement lens by the lens protection device, prevent the airflow from driving dust and small oil particles to adhere to the surface of the lens, reduce the maintenance amount, and make the later maintenance more convenient.
In this embodiment, when the width and head and tail profile scanner 1 detects that the steel plate enters the measurement area, the shape of the steel plate can be scanned at a scanning speed of 1250 times per second and a resolution of 5400 pixels, and the shape of the steel plate can be accurately given by matching with a speed signal of the steel plate.
Because the length of the head and tail profiles is only within 0.5m, the requirement of profile scanning on the precision of the steel plate speed is not high, in order to avoid the problem that the measurement precision of the laser velocimeter is greatly influenced by the cooling water flow on the surface of the middle plate, a speed measuring roller (see a speed measuring roller 10 and a speed measuring roller 11 in fig. 1) can be adopted for speed measurement to replace the laser velocimeter and is used for accurately tracking the head and tail positions of the steel plate and detecting the running speed, and therefore the strict requirement of the system on the field condition is reduced. Therefore, the manufacturing cost of equipment is reduced, and the system maintenance difficulty is reduced.
After the scanning of the head and tail profiles of the strip steel is finished, the core controller can automatically determine the optimal cutting position according to user options and input parameters, and the shapes of the head and tail profiles of the strip steel are mainly 3 types: narrow head, wide head and fish tail. Specifically, referring to fig. 4, for a narrow-headed shape of the leading and trailing profiles, when the width reaches a certain proportion of the steady width, such as 95%, the insufficient portion is sheared. Referring to fig. 5, for a wide-headed shape of the leading and trailing contours, when the width exceeds a certain proportion of the stable width, such as 105%, the excess is cut off. Referring to fig. 6, for the head and tail profile of the fishtail shape, the deepest fishtail is cut off at the cutting position, and a certain margin is reserved at the actual cutting position.
Specifically, referring to fig. 1, the strip steel tracking mechanism comprises a second laser velocimeter 3 and two scanning hot metal detectors 4, the second laser velocimeter 3 and the two scanning hot metal detectors 4 are sequentially erected above the entrance position of the flying shear 7, and the second laser velocimeter 3 and the two scanning hot metal detectors 4 are electrically connected with a core controller 5.
Specifically, the first laser velocimeter 2 and the second laser velocimeter 3 are respectively erected above the inlet position of the flying shear 7 through a rotating arm type mounting rack 8;
referring to fig. 7, the rotating arm type mounting rack 8 comprises a base 801, an upright 802, a rotating shaft 803, a horizontal rotating arm 804 and a protective box 805, wherein the upright 802 is vertically installed on the base 801, the bottom of the rotating shaft 803 is fixedly connected with the top of the upright 802, the top of the rotating shaft 803 is pivotally connected with the horizontal rotating arm 804, the protective box 805 is arranged at the top of one end of the horizontal rotating arm 804 far away from the rotating shaft 803 and is communicated with the lower part of the horizontal rotating arm 804, and the first laser velocimeter 2 or the second laser velocimeter 3 is arranged in the protective box 805.
Preferably, an air inducing nozzle 806 is further arranged at the bottom of the horizontal radial arm 804 corresponding to the position of the protective box 805, an air inlet 807 is arranged at one side of the upright post 802 close to the bottom, hollow chambers are arranged on the upright post 802, the rotating shaft 803 and the horizontal radial arm 804, and the air inlet 807 is communicated with the air inducing nozzle 806 sequentially through the hollow chambers of the upright post 802, the rotating shaft 803 and the horizontal radial arm 804.
In this embodiment, the first laser velocimeter and the second laser velocimeter both use a laser velocimeter of LELK accurate or Beta laser mike, and the two laser velocimeters are specially designed for hot rolling environment and are suitable for measuring the speed of high-temperature steel plates. In this embodiment, the laser velocimeter may be directly connected to the core controller 5 (i.e., PLC) as an intelligent sensor. Meanwhile, the measurement accuracy of the laser velocimeter selected by the embodiment can reach +/-0.05%, the speed measurement mode of the speed measurement roller and the encoder can be directly replaced, and the measurement error caused by slippage and speed measurement roller abrasion is eliminated.
In this embodiment, the laser velocimeter is mounted within the shielding box 805 of the rotating arm mount 8, 2000mm from the steel plate surface. The outside of protection box 805 is thermal-insulated structure, there is the water-cooling heat exchanger in, survey the below of protection box 805 and set up induced air nozzle 806, the structure frame main part is the pipeline structure, can introduce normal atmospheric temperature air from air inlet 807, utilize compressed air to drive the air current flow, make normal atmospheric temperature air get into the measurement light path through stand 802, horizontal spiral arm 804, form the normal atmospheric temperature air curtain in the measurement light path region, like this, in the abominable environment of high temperature, can form the clean normal atmospheric temperature air environment of part, make the measurement light path completely pass through in the normal atmospheric temperature air current, avoid the influence of scene fog on the measurement in winter, have the cleaning effect to the water on belted steel c surface simultaneously.
The horizontal rotating arm 804 is designed to be rotated out of the rolling line when maintenance is needed, so that maintenance and adjustment are performed, and the operation is more convenient; when the steel plate is impacted, the steel plate can rotate and move, and the inside velocimeter is not damaged. In the embodiment, the pneumatic cylinder is adopted to move the horizontal rotating arm 804, and when no air pressure exists or the temperature of the measuring head is too high, the rolling line is automatically withdrawn, so that the working process is safer and more reliable.
When the system disclosed by the embodiment works, in a rough rolling area, the system acquires head and tail shape information of a middle plate through a CCD width meter and a laser velocimeter and determines the optimal position and length of a shear line; the core controller requests the strip steel head and tail optimization shearing control system to send shearing information to the shearing controller, when the strip steel head (or tail) reaches a scanning HMD (namely a scanning hot metal detector), the flying shears prepare for head (or tail) cutting, and the flying shear controller calculates the running acceleration set value of the rotating drum according to the waiting position of the rotating drum of the flying shears, the distance between the scanning HMD and the flying shears, the shearing length confirmed by the imaging system and the speed detected by a laser speed detector at the inlet of the flying shears, so that the shearing edge of the flying shears just starts to shear along the shearing line determined by the imaging system. The key of the shearing control is to calculate and control the starting time of the flying shear, and when the tail is sheared, after the tail of the middle plate passes through the scanning HMD and the time is delayed by T, the shearing is started, so that the tail which meets the set length is sheared. Through production practice, after the optimized shearing system disclosed by the embodiment is applied, the head and tail shearing precision is obviously improved, the cutting loss rate is obviously reduced, the product yield is improved, and the optimization effect is obvious.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a belted steel head and the tail are optimized and are cuted control system which characterized in that includes: the width and head and tail profile measuring device comprises a width and head and tail profile measuring scanner (1), a first laser velocimeter (2), a strip steel tracking mechanism and a core controller (5);
the width and head and tail profile measuring scanner (1) and the first laser velocimeter (2) are erected above the outlet position of a roughing mill R2 working roll (6), the strip steel tracking mechanism is arranged at the inlet position of a flying shear (7), and the width and head and tail profile measuring scanner (1), the first laser velocimeter (2) and the strip steel tracking mechanism are electrically connected with the core controller (5).
2. The strip steel head and tail optimization shearing control system according to claim 1, wherein the width measurement and head and tail profile scanner (1) comprises a CCD linear array camera (101), a signal processing circuit board, a measuring head protection assembly, a width measurement instrument host (103), a real-time output terminal (104) and an operation table display terminal (105);
the measuring head protection assembly is arranged above an outlet position of a R2 work roll (6) of the roughing mill, the CCD linear-array cameras (101) are arranged in two numbers, the CCD linear-array cameras (101) are electrically connected with the signal processing circuit board, the measuring head protection assembly is sleeved on the two CCD linear-array cameras (101) and the outer side of the signal processing circuit board, the signal processing circuit board is electrically connected with the width measuring instrument host (103), and the width measuring instrument host (103) is respectively electrically connected with the real-time output terminal (104) and the operating platform display terminal (105).
3. The strip steel head and tail optimization shearing control system according to claim 2, wherein the width measurement and head and tail profile scanner (1) further comprises a calibrator (106), and the calibrator (106) is arranged on a conveying roller way of the strip steel.
4. A strip steel head-tail optimized shear control system according to claim 2, wherein the width measurement and head-tail profile scanner (1) further comprises a portable computer (107), the portable computer (107) being electrically connected to the signal processing circuit board.
5. The strip steel head-tail optimization shear control system according to claim 2, wherein the gauge head protection assembly comprises a gauge head protection box (102), a water-cooled heat exchanger and an anti-fog induced air nozzle (108), the gauge head protection box (102) is sleeved outside the two CCD linear cameras (101) and the signal processing circuit board, the water-cooled heat exchanger is arranged in the gauge head protection box (102), and the anti-fog induced air nozzle (108) is correspondingly arranged below the two CCD linear cameras (101).
6. The strip head and tail optimized shearing control system according to claim 1, wherein the strip tracking mechanism comprises a second laser velocimeter (3) and two scanning hot metal detectors (4), the second laser velocimeter (3) and the two scanning hot metal detectors (4) are sequentially erected above an entrance position of a flying shear (7), and the second laser velocimeter (3) and the two scanning hot metal detectors (4) are electrically connected with the core controller (5).
7. The strip steel head and tail optimized shearing control system according to claim 6, characterized in that the first laser velocimeter (2) and the second laser velocimeter (3) are respectively erected above the inlet position of the flying shear (7) through a swivel arm type mounting rack (8);
the rotating arm type mounting rack (8) comprises a base (801), a vertical column (802), a rotating shaft (803), a horizontal rotating arm (804) and a protection box (805), wherein the vertical column (802) is vertically installed on the base (801), the bottom of the rotating shaft (803) is fixedly connected with the top of the vertical column (802), the top of the rotating shaft (803) is pivotally connected with the horizontal rotating arm (804), the protection box (805) is arranged at the top of one end, far away from the rotating shaft (803), of the horizontal rotating arm (804) and communicated with the lower portion of the horizontal rotating arm (804), and the first laser velocimeter (2) or the second laser velocimeter (3) is arranged in the protection box (805).
8. The strip head and tail optimizing shear control system of claim 7, wherein the bottom of the horizontal radial arm (804) is further provided with an air inducing nozzle (806) corresponding to the position of the protective box (805), one side of the upright column (802) close to the bottom is provided with an air inlet (807), the upright column (802), the rotating shaft (803) and the horizontal radial arm (804) are all provided with hollow chambers, and the air inlet (807) is communicated with the air inducing nozzle (806) sequentially through the hollow chambers of the upright column (802), the rotating shaft (803) and the horizontal radial arm (804).
9. A strip steel head-tail optimized shear control system according to claim 1, characterized in that the core controller (5) is a PLC.
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| CN202120259316.8U CN214391640U (en) | 2021-01-29 | 2021-01-29 | Strip steel head and tail optimized shearing control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406001A (en) * | 2022-01-26 | 2022-04-29 | 北京首钢股份有限公司 | Rolled piece shearing control method, device and equipment |
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- 2021-01-29 CN CN202120259316.8U patent/CN214391640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406001A (en) * | 2022-01-26 | 2022-04-29 | 北京首钢股份有限公司 | Rolled piece shearing control method, device and equipment |
| CN114406001B (en) * | 2022-01-26 | 2023-12-26 | 北京首钢股份有限公司 | Rolled piece shearing control method, device and equipment |
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