CN109626075B - Tension pressing plate wire adjusting and deviation rectifying control system and method for cold rolling shearing line - Google Patents
Tension pressing plate wire adjusting and deviation rectifying control system and method for cold rolling shearing line Download PDFInfo
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- CN109626075B CN109626075B CN201910083377.0A CN201910083377A CN109626075B CN 109626075 B CN109626075 B CN 109626075B CN 201910083377 A CN201910083377 A CN 201910083377A CN 109626075 B CN109626075 B CN 109626075B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
- B65H2701/11332—Size of webs strip, tape, narrow web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/173—Metal
Abstract
The invention relates to a tension pressure plate wire adjusting and deviation rectifying control system and method applied to a cold rolling shearing line, wherein the system comprises a controller, a human-computer interface and three wire adjusting and deviation rectifying mechanisms corresponding to three screws, each wire adjusting and deviation rectifying mechanism comprises a rotation control unit and a lifting control unit, the controller is used for sending a corresponding rotation control instruction to the rotation control unit according to the operation of a user on the human-computer interface, and the rotation control unit is used for controlling the deviation rectifying screws to rotate forwards or backwards according to the corresponding rotation control instruction; the lifting control unit receives a lifting control instruction of the controller, and is used for synchronously driving the rotation control unit to move downwards when the rotation control unit controls the correction screw to rotate forwards and synchronously driving the rotation control unit to move upwards when the rotation control unit controls the correction screw to rotate reversely. The invention adopts electromechanical equipment and automatic control technology, replaces manual operation, eliminates the safety risk of manual operation, has reasonable system structure and convenient operation, and improves the operation efficiency.
Description
Technical Field
The invention relates to the field of wire adjustment and deviation correction of a tension pressing plate of a cold rolling shearing line, in particular to a wire adjustment and deviation correction control system and method of the tension pressing plate applied to the cold rolling shearing line.
Background
The cold rolling shearing line with the tension pressing plate comprises an uncoiler, a pinch roll, an inlet loop, a circle shear, an outlet loop, the tension pressing plate, a recoiling machine and the like. The tension pressing plate consists of an upper pressing plate and a lower supporting plate. The upper pressing plate is provided with a plurality of screws, wherein 3 screws (hereinafter referred to as 'deviation correcting screws') have obvious deviation correcting effect on the strip steel, and the three screws are rotated and adjusted by an operator by using a wrench at present. In the prior art, 3 screws of the upper pressing plate cannot be adjusted by electromechanical equipment and can only be adjusted manually, in order to correct the deviation of the strip steel and ensure the quality of finished products, operators need to climb onto a production line frequently and smoothly, and the screws on the upper supporting beam are adjusted above the strip steel running at high speed. The deviation rectifying mode of the tension pressing plate has the following two defects that firstly, the labor intensity of operators is high; secondly, the operation is unsafe and is calculated as dangerous operation.
Disclosure of Invention
Aiming at the problems, in order to reduce the operation intensity of operators and the personal safety risk degree during operation, a tension pressure plate wire adjusting and deviation rectifying system is developed, and the adjustment of corresponding deviation rectifying screws is completed by means of electromechanical integrated automatic control equipment, an automatic technology and a computer control technology, and the technical scheme of the invention is as follows:
as a first aspect of the present invention, a tension pressing plate wire adjusting and deviation rectifying control system for a cold rolling shearing line is provided, the system includes a controller, a human-computer interface and a plurality of wire adjusting and deviation rectifying mechanisms, the wire adjusting and deviation rectifying mechanisms are used for adjusting deviation rectifying screws, each wire adjusting and deviation rectifying mechanism corresponds to one deviation rectifying screw, each wire adjusting and deviation rectifying mechanism includes a rotation control unit, and the rotation control unit and the human-computer interface are both electrically connected with the controller;
the controller is used for sending a corresponding rotation control instruction to the rotation control unit according to the operation of a user on a human-computer interface, and the rotation control unit is used for controlling the correction screw to rotate forwards or backwards according to the corresponding rotation control instruction so as to realize the adjustment of the correction screw;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface.
Furthermore, the wire adjusting and deviation rectifying mechanism further comprises a lifting control unit, the lifting control unit is electrically connected with the controller, the lifting control unit receives a lifting control instruction of the controller, and the lifting control unit is used for synchronously driving the rotating control unit to move downwards when the rotating control unit controls the deviation rectifying screw to rotate forwards and synchronously driving the rotating control unit to move upwards when the rotating control unit controls the deviation rectifying screw to rotate reversely.
Further, the lifting control unit comprises a lifting motor, a lifting motor frequency converter and a lifting motor encoder, the rotation control unit comprises a rotating motor, a rotating motor frequency converter and a rotating motor encoder, the controller is electrically connected with the lifting motor through the lifting motor frequency converter, the controller is electrically connected with the rotating motor through the rotating motor frequency converter, the controller is further electrically connected with the rotating motor encoder and the lifting motor encoder respectively, the lifting motor encoder is installed on an output shaft of the lifting motor, the rotating motor encoder is installed on the output shaft of the rotating motor, the rotating motor is used for controlling the forward/reverse rotation of the deviation rectifying screw rod, and the lifting motor is used for controlling the upward/downward movement of the rotating motor.
Further, the rotating motor comprises a gear box, a socket wrench is installed on an output shaft of the gear box, a nut is arranged at the top end of the deviation correcting screw, and the socket wrench and the nut of the deviation correcting screw form tight fit.
Further, the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (one):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine.
Furthermore, the number of the deviation correcting screws used for deviation correction in the cold rolling shearing line is three, the number of the lifting control units and the number of the rotation control units are three, the first rotation control unit is used for controlling the forward/backward rotation of the first deviation correcting screw, the second rotation control unit is used for controlling the forward/backward rotation of the second deviation correcting screw, the third rotation control unit is used for controlling the forward/backward rotation of the third deviation correcting screw, the first lifting control unit is used for controlling the upward/downward movement of the first rotation control unit, the second lifting control unit is used for controlling the upward/downward movement of the second rotation control unit, and the third lifting control unit is used for controlling the upward/downward movement of the third rotation control unit.
As another aspect of the present invention, there is provided a tension pressing plate wire adjusting and deviation rectifying control method for a cold rolling shear line, the method including:
the controller sends a corresponding rotation control instruction to the rotation control unit according to the operation of a user on a human-computer interface;
the rotation control unit controls the correction screw to rotate forwards or backwards according to the rotation control instruction, so that the correction screw moves upwards or downwards;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface.
Further, the method further comprises:
when the rotation control unit controls the correction screw to rotate forwards, the lifting control unit synchronously drives the rotation control unit to move downwards;
when the rotation control unit controls the deviation correcting screw rod to rotate reversely, the lifting control unit synchronously drives the rotation control unit to move upwards.
Further, the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (one):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine.
The invention has the beneficial effects that:
the system adopts electromechanical equipment and an automatic control technology, replaces manual operation, and has the following advantages:
1. the level of the automatic operation of the production line tension pressing plate is improved.
2. The safety risk of manual operation is eliminated.
3. The system has reasonable structure, quick response, practicality and reliability.
4. The operation is convenient, and the working efficiency is improved.
Drawings
Fig. 1 is a circuit connection diagram of a tension pressing plate wire adjusting and deviation rectifying control system applied to a cold rolling shearing line according to an embodiment of the present invention;
FIG. 2 is a diagram of a human-machine interface architecture provided by an embodiment of the present invention;
FIG. 3 is a flow chart of a tension pressing plate wire adjusting and deviation rectifying control method applied to a cold rolling shearing line according to an embodiment of the present invention;
fig. 4 is a flow chart of coordination control of the rotation control unit and the lifting control unit according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As a first aspect of the present invention, a tension pressing plate wire adjusting and deviation rectifying control system applied to a cold rolling shearing line is provided, the system includes a controller, a human-computer interface and a plurality of wire adjusting and deviation rectifying mechanisms, the wire adjusting and deviation rectifying mechanisms are used for adjusting deviation rectifying screws, each wire adjusting and deviation rectifying mechanism corresponds to one deviation rectifying screw, each wire adjusting and deviation rectifying mechanism includes a rotation control unit, and the rotation control unit and the human-computer interface are both electrically connected with the controller;
the controller is used for sending a corresponding rotation control instruction to the rotation control unit according to the operation of a user on a human-computer interface, and the rotation control unit is used for controlling the correction screw to rotate forwards or backwards according to the corresponding rotation control instruction so as to realize the adjustment of the correction screw;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface.
Preferably, the wire adjusting and deviation rectifying mechanism further comprises a lifting control unit, the lifting control unit is electrically connected with the controller, the lifting control unit receives a lifting control instruction of the controller, and the lifting control unit is used for synchronously driving the rotating control unit to move downwards when the rotating control unit controls the deviation rectifying screw to rotate forwards and synchronously driving the rotating control unit to move upwards when the rotating control unit controls the deviation rectifying screw to rotate reversely.
Preferably, the lifting control unit includes elevator motor, elevator motor converter and elevator motor encoder, the rotation control unit includes rotating electrical machines, rotating electrical machines converter and rotating electrical machines encoder, the controller pass through the elevator motor converter with the elevator motor electricity is connected, the controller pass through the rotating electrical machines converter with the rotating electrical machines electricity is connected, the controller still respectively with rotating electrical machines encoder and elevator motor encoder electricity are connected, the elevator motor encoder install in on elevator motor's the output shaft, the rotating electrical machines encoder install in on rotating electrical machines's the output shaft, rotating electrical machines is used for control the screw rod of rectifying is just/anti-rotation, elevator motor is used for control the rotating electrical machines moves from top to bottom.
The rotating motor comprises a gear box, a socket wrench is arranged on an output shaft of the gear box, a nut is arranged at the top end of the deviation correcting screw, the socket wrench and the nut of the deviation correcting screw form a tight fit, the output shaft of the gear box rotates to drive the socket wrench to rotate, the socket wrench rotates to drive the deviation correcting screw to rotate, the rotating motor is fixedly installed on a base of the rotating motor, the output shaft of the lifting motor is connected with the base of the rotating motor, and the lifting/lowering of the output shaft of the lifting motor drives the base of the rotating motor to lift/lower so as to drive the rotating motor to move up and.
Further, the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (one):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine.
In the above embodiment, the frequency converter is selected to drive the motors to rotate, so that the rotation speeds of the two motors are continuously adjustable, and the rotation speeds of the rotating motor and the lifting motor can be controlled according to the formula (one), thereby achieving the cooperative operation. In addition, in the process of adjusting and correcting the wire, the running speed of the lifting motor is very low, and the working frequency of the frequency converter is less than 1 Hz. This requires that the step-up and step-down converter have a large torque at low speeds. The rotary motor works in a quick starting and braking state and is required to have larger torque at low speed, the torque of a non-vector control variable frequency transmission system is very low at low speed and can not meet the process requirements, the problem that a motor flux linkage can not be kept unchanged during long-term low-speed running and the motor output is reduced at the moment and can not meet the requirements is solved only when the vector control variable frequency transmission system without the encoder is low in rotating speed, and the vector control variable frequency transmission system with the encoder has good torque and dynamic response performance in low-speed and zero-speed running states and can meet the process requirements. Therefore, a vector control variable frequency transmission system with an encoder is adopted to construct a lifting motor driving system; a vector control variable frequency transmission system with an encoder is adopted to construct a rotating motor driving system.
Preferably, the number of the deviation correcting screws used for deviation correction in the cold rolling shearing line is three, the number of the lifting control units and the number of the rotation control units are three, the first rotation control unit is used for controlling forward/backward rotation of the first deviation correcting screw, the second rotation control unit is used for controlling forward/backward rotation of the second deviation correcting screw, the third rotation control unit is used for controlling forward/backward rotation of the third deviation correcting screw, the first lifting control unit is used for controlling up/down movement of the first rotation control unit, the second lifting control unit is used for controlling up/down movement of the second rotation control unit, and the third lifting control unit is used for controlling up/down movement of the third rotation control unit. As shown in fig. 1, the first rotation control unit includes a first rotating electrical machine, a first rotating electrical machine frequency converter, and a first rotating electrical machine encoder, the second rotation control unit includes a second rotating electrical machine, a second rotating electrical machine frequency converter, and a second rotating electrical machine encoder, and the third rotation control unit includes a third rotating electrical machine, a third rotating electrical machine frequency converter, and a third rotating electrical machine encoder.
Preferably, the human-machine interface comprises an indicator light, a selection switch and a button;
the indicating lamps comprise a system ready indicating lamp, a system operation indicating lamp, a system fault indicating lamp, a linkage indicating lamp and a single action indicating lamp; when the system is in a ready state, the system ready indicator light is on, when the system is in an operating state, the system operating indicator light is on, when the system is in a fault, the system fault indicator light is on, when the linkage mode is selected, the linkage indicator light is on, and when the single-action mode is selected, the single-action indicator light is on;
the selection switch comprises a linkage/single-action selection switch, a work selection switch, a loosening/tightening adjustment selection switch and a quick/slow selection switch, wherein the linkage/single-action selection switch comprises two gears which are a linkage gear and a single-action gear respectively; the working selection switch comprises three gears, namely a first gear, a second gear and a third gear, which respectively correspond to the No. 1, the No. 2 and the No. 3 of the human-computer interface, and when the switch is adjusted to the No. 1 gear, the first rotary control unit is started, and only the first deviation-rectifying screw is adjusted and controlled; when the switch is adjusted to the No. 2 position, the second rotation control unit is started, and only the second deviation correcting screw is adjusted and controlled; when the switch is adjusted to the No. 3 position, the third rotation control unit is started, and only the third deviation rectifying screw is adjusted and controlled; the loosening/tightening selection switch comprises two gears, namely a loosening gear and a tightening gear, when the switch is adjusted to the loosening gear, the loosening adjustment is carried out on the selected correction screw, and when the switch is adjusted to the tightening gear, the tightening adjustment is carried out on the selected correction screw; the quick/slow selection switch comprises two gears, namely a quick gear and a slow gear, when the switch is adjusted to the quick gear, the quick tightening or loosening adjustment is carried out on the selected correction screw, and when the switch is adjusted to the slow gear, the slow tightening or loosening adjustment is carried out on the selected correction screw;
the buttons include a reset button, a start button and a stop button, the system is reset when the reset button is pressed, the system is started when the start button is pressed, and the selected rotary control unit is stopped when the stop button is pressed.
The human interface elements are configured as shown in the following table:
FIG. 2 shows a distribution arrangement of the human-machine interface.
And (3) controlling the process of wire adjustment and deviation correction:
the wire adjusting and deviation rectifying process is a process for rectifying deviation of the strip steel by manually operating a control system, and firstly, an operator selects a single action/linkage working mode according to the deviation condition of the strip steel. Generally, under the condition of slight deviation, a single-action mode is selected; and under the condition of slight deviation, selecting a linkage mode. Secondly, selecting one rotary control unit from the three rotary control units to work in a single-action mode; in the linked mode, the three rotary control units work together. Third, a loosening or tightening mode is selected. Fourthly, pressing a start button to work the selected rotating motor in the selected mode, and fifthly, pressing a stop button after finishing adjustment to stop working of the control system.
For example, when the deviation of the strip steel is found, the control system is operated by an operator to realize adjustment, and two adjustment modes are available, wherein one mode is a single-action mode; one is a linkage mode.
When the single-action mode is selected, the adjusting process is divided into 3 steps, wherein the step 1 is to adjust the working selection switch to the position 1, namely, the first rotary control unit is started to work, and the first deviation correcting screw rod is adjusted to be tight or loose; and after the adjustment is finished, stopping the first rotation control unit. Step 2, adjusting the work selection switch to the No. 2 position, namely starting the second rotation control unit to work, and adjusting the second deviation correcting screw rod to be tight or loose; and after the adjustment is finished, stopping the second rotation control unit. Step 3, adjusting the work selection switch to a position 3, namely starting a third rotation control unit to work, and adjusting the third deviation correcting screw rod to be tight or loose; and after the adjustment is finished, stopping the third rotation control unit.
When the linkage mode is selected, an operator simultaneously starts the first rotation control unit, the second rotation control unit and the third rotation control unit to simultaneously tighten or loosen the first deviation correcting screw rod, the second deviation correcting screw rod and the third deviation correcting screw rod; and after the adjustment is finished, stopping the first rotation control unit, the second rotation control unit and the third rotation control unit at the same time.
The system completes the deviation rectifying task of the strip steel under the control of the operator strictly according to the process. The central controller receives an operation instruction from a human-computer interface and controls the corresponding wire adjusting and correcting mechanism to work; when the device runs, the running indicator lamp is controlled to be on; when the fault occurs, controlling a fault indicator lamp to be on; when the system is normal and stopped; the control system ready light is on.
And (3) coordinated control of rotation and lifting:
the working process of the rotation control unit is a process of rotating and lifting in coordination and synchronous operation. This process comprises 3 stages. The first stage, starting the rotation control unit and the lifting control unit at the same time, and ensuring the same running direction, namely driving the lifting motor to drag the rotating motor to move downwards when driving the rotating motor to rotate forwards; when the rotating motor is driven to rotate reversely, the lifting motor is driven to drag the rotating motor to move upwards; in the second stage, the rotating speed and the lifting speed are well matched; the rotating speed and the lifting speed can meet the relation of the formula (I) at any time; and in the third stage, the rotation and the lifting frequency conversion device are simultaneously stopped.
As another aspect of the present invention, there is provided a tension pressing plate wire adjusting and deviation rectifying control method applied to a cold rolling shear line, the method including:
the controller sends a corresponding rotation control instruction to the rotation control unit according to the operation of a user on a human-computer interface;
the rotation control unit controls the correction screw to rotate forwards or backwards according to the rotation control instruction, so that the correction screw moves upwards or downwards;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface.
Preferably, the method further comprises:
when the rotation control unit controls the correction screw to rotate forwards, the lifting control unit synchronously drives the rotation control unit to move downwards;
when the rotation control unit controls the deviation correcting screw rod to rotate reversely, the lifting control unit synchronously drives the rotation control unit to move upwards.
Preferably, the method further comprises: before loosening/tightening adjustment, whether a fault exists in a selected rotary control unit is confirmed, if the fault exists, a fault indicating lamp is controlled to be on, and resetting operation can be carried out through a reset button; if no fault exists, the system ready indicator lamp is turned on, the loosening and tightening can be performed through the loosening/tightening selection switch at the moment, and the working flow of the control system is shown in figure 3.
Preferably, the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (one):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine. The flow of coordination control of the rotation control unit and the elevation control unit is shown in fig. 4.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A tension pressing plate wire adjusting and deviation rectifying control system of a cold rolling shearing line is characterized by comprising a controller, a human-computer interface and a plurality of wire adjusting and deviation rectifying mechanisms, wherein the wire adjusting and deviation rectifying mechanisms are used for adjusting deviation rectifying screws, each wire adjusting and deviation rectifying mechanism corresponds to one deviation rectifying screw, each wire adjusting and deviation rectifying mechanism comprises a rotation control unit, and the rotation control unit and the human-computer interface are electrically connected with the controller;
the controller is used for sending a corresponding rotation control instruction to the rotation control unit according to the operation of a user on a human-computer interface, and the rotation control unit is used for controlling the correction screw to rotate forwards or backwards according to the corresponding rotation control instruction so as to realize the adjustment of the correction screw;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface;
the wire adjusting and deviation rectifying mechanism further comprises a lifting control unit, the lifting control unit is electrically connected with the controller, the lifting control unit receives a lifting control instruction of the controller, and the lifting control unit is used for synchronously driving the rotating control unit to move downwards when the rotating control unit controls the deviation rectifying screw to rotate forwards and synchronously driving the rotating control unit to move upwards when the rotating control unit controls the deviation rectifying screw to rotate reversely;
the lifting control unit comprises a lifting motor and a lifting motor frequency converter, the rotating control unit comprises a rotating motor and a rotating motor frequency converter, the controller is electrically connected with the lifting motor through the lifting motor frequency converter, the controller is electrically connected with the rotating motor through the rotating motor frequency converter, the rotating motor is used for controlling the forward/reverse rotation of the deviation rectifying screw, and the lifting motor is used for controlling the rotating motor to move up/down;
the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (I):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine.
2. The tension pressing plate wire adjusting and deviation rectifying control system for the cold-rolling shearing line as claimed in claim 1, wherein the lifting control unit further comprises a lifting motor encoder, the rotation control unit further comprises a rotating motor encoder, both the rotating motor encoder and the lifting motor encoder are electrically connected with the controller, the lifting motor encoder is mounted on an output shaft of the lifting motor, and the rotating motor encoder is mounted on an output shaft of the rotating motor.
3. The tension pressing plate wire adjusting and deviation rectifying control system for the cold rolling shearing line as claimed in claim 1, wherein there are three deviation rectifying screws for deviation rectifying corresponding to the cold rolling shearing line, and the lifting control unit and the rotation control unit are three, the first rotation control unit is used for controlling the first deviation rectifying screw to rotate forward/backward, the second rotation control unit is used for controlling the second deviation rectifying screw to rotate forward/backward, the third rotation control unit is used for controlling the third deviation rectifying screw to rotate forward/backward, the first lifting control unit is used for controlling the first rotation control unit to move up/down, the second lifting control unit is used for controlling the second rotation control unit to move up/down, and the third lifting control unit is used for controlling the third rotation control unit to move up/down.
4. A tension pressing plate wire adjusting and deviation rectifying control method of a cold rolling shearing line is based on the tension pressing plate wire adjusting and deviation rectifying control system of the cold rolling shearing line as claimed in any one of claims 1 to 3, and is characterized in that the method comprises the following steps:
the controller sends a corresponding rotation control instruction to the rotation control unit according to the operation of a user on the human-computer interface;
the rotation control unit controls the correction screw to rotate forwards or backwards according to the rotation control instruction, so that the correction screw moves up or down;
the rotation control instruction comprises a linkage control instruction and a single action control instruction; when the rotation control instruction is a linkage control instruction, all the rotation control units synchronously control the corresponding correction screw to rotate forwards or backwards; when the rotation control instruction is a single-action control instruction, only one rotation control unit can be selected to control the corresponding deviation-correcting screw to rotate forwards or backwards according to the operation of a user on a human-computer interface;
further comprising: when the rotation control unit controls the correction screw to rotate forwards, the rotation control unit is synchronously driven to move downwards by the lifting control unit; when the rotation control unit controls the deviation correcting screw to rotate reversely, the rotation control unit is driven to move upwards synchronously by the lifting control unit;
the coordination control of the rotation control unit and the lifting control unit satisfies the following formula (I):
formula (I): y ═ h × X/(k × i);
wherein X is the rotating speed of the rotating motor and the unit is revolution/minute; y is the rotating speed of the lifting motor, and the unit is revolution/minute; h is the lifting displacement corresponding to 1 circle of rotation of the deviation correcting screw, and the unit is millimeter; k is the displacement of the lifting motor driving the rotating motor to lift in unit of millimeter, wherein the displacement is 1 circle per turn; i is a gear ratio of the rotating electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083377.0A CN109626075B (en) | 2019-01-29 | 2019-01-29 | Tension pressing plate wire adjusting and deviation rectifying control system and method for cold rolling shearing line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083377.0A CN109626075B (en) | 2019-01-29 | 2019-01-29 | Tension pressing plate wire adjusting and deviation rectifying control system and method for cold rolling shearing line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109626075A CN109626075A (en) | 2019-04-16 |
| CN109626075B true CN109626075B (en) | 2020-09-11 |
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| CN201910083377.0A Active CN109626075B (en) | 2019-01-29 | 2019-01-29 | Tension pressing plate wire adjusting and deviation rectifying control system and method for cold rolling shearing line |
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| CN101480665A (en) * | 2009-01-20 | 2009-07-15 | 张明 | Tension-plate shape measurement-adjusting instrument |
| CN202087626U (en) * | 2011-05-09 | 2011-12-28 | 武汉钢铁(集团)公司 | Novel tension backing plate of recoiling machine |
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| CN109626075A (en) | 2019-04-16 |
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