CN114029359A - Method for improving working stability of thick and thin shearing and pressing flat roller - Google Patents

Method for improving working stability of thick and thin shearing and pressing flat roller Download PDF

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Publication number
CN114029359A
CN114029359A CN202111306323.XA CN202111306323A CN114029359A CN 114029359 A CN114029359 A CN 114029359A CN 202111306323 A CN202111306323 A CN 202111306323A CN 114029359 A CN114029359 A CN 114029359A
Authority
CN
China
Prior art keywords
thickness
thick
pneumatic proportional
proportional valves
jnb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111306323.XA
Other languages
Chinese (zh)
Inventor
宁厚聪
于庆洋
王军
焦守清
李德洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Binzhou Hongzhan Aluminum Technology Co ltd
Shandong Hongqiao New Material Co Ltd
Original Assignee
Binzhou Hongzhan Aluminum Technology Co ltd
Shandong Hongqiao New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Binzhou Hongzhan Aluminum Technology Co ltd, Shandong Hongqiao New Material Co Ltd filed Critical Binzhou Hongzhan Aluminum Technology Co ltd
Priority to CN202111306323.XA priority Critical patent/CN114029359A/en
Publication of CN114029359A publication Critical patent/CN114029359A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003—Regulation of tension or speed; Braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

The invention discloses a method for improving the working stability of a thick and thin shearing and pressing flat roller, which comprises the following steps: s1: a pneumatic proportional valve is arranged on the thickness shearing machine; s2: connecting the proportional valve with an operation table potentiometer; s3: programming and recording programs on an operation table; s4: turning on a power supply and turning on a thickness shearing machine; s5: setting the cutting length, the thickness of the supplied materials and the speed of the supplied materials; s6: the operation is started. The number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operation side pressure, the other pneumatic proportional valve controls the driving side pressure, the three pneumatic proportional valves are used for respectively controlling the pressure at two sides and the balance back pressure, and the roll diameter is independently controlled, so that the quality problems of discharging, loosening, staggering and the like caused by equipment problems are solved, the quality problems of the strips with poor plate surfaces produced by the thickness and the thickness shearing machines are improved, the speed of the thickness and the thickness shearing machines can be increased from tens of meters to hundreds of meters, and the production efficiency is greatly improved.

Description

Method for improving working stability of thick and thin shearing and pressing flat roller
Technical Field
The invention relates to the technical field of aluminum plate strip processing, in particular to a method for improving the working stability of a thick and thin shearing and pressing flat roller.
Background
When the thick and thin shears carry out internal and external coiling work, the original design uses a lifting cylinder to control a flattening roller to press on a coiling material roll, in order to reduce the loose coil and the staggered floor, the operation of the control lifting cylinder has two working modes of manual operation and automatic operation, in automatic operation, the flattening roll vertical pressure should be substantially constant as the take-up roll diameter increases, but because of the use of a single proportional valve which is controlled with position sensing and roll diameter change, but because of proportional valve drift, or the simulation position detection causes the lifting to be fast lifted or not to be moved due to the change of the lifting angle, (1) the flattening roller does not move, the material staggered layer (2) is connected with the magnetic ruler for measuring the roll diameter due to the lifting, if the lifting is fast, the roll diameter is increased, if the roll diameter is increased, the rolling speed is reduced, the tension loss and the roll loosening are caused, and the manual control is that the lifting roller is manually controlled to be lifted, the problem to be solved is that the speed is increased, and manual control cannot be kept up with, so that a large amount of waste materials are generated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for improving the working stability of a thickness shearing and flattening roller, which solves the quality problems of tension release, coil staggering and the like caused by equipment problems, improves and improves the strip with poor plate surface produced by a thickness shearing machine, has the advantages that the speed of the thickness shearing machine can be increased from tens of meters to hundreds of meters, greatly improves the production efficiency and the like, solves the problems that the flattening roller works stably, the flattening roller and the coil diameter are controlled separately, and the stability of the equipment is improved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: a pneumatic proportional valve is arranged on the thickness shearing machine;
s2: connecting the proportional valve with an operation table potentiometer;
s3: programming and recording programs on an operation table;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length, the thickness of the supplied materials and the speed of the supplied materials;
s6: the operation is started.
Preferably, the number of the pneumatic proportional valves is three.
Preferably, one of the pneumatic proportional valves controls the operating side pressure.
Preferably, one of the pneumatic proportional valves controls the drive side pressure.
Preferably, one of the pneumatic proportional valves controls the equilibrium pressure.
Preferably, the length of the cut is between 0 and 5 m.
Preferably, the incoming material has a thickness of between 0 and 5 cm.
Preferably, the incoming material velocity is between 0 and 100 m/min.
(III) advantageous effects
Compared with the prior art, the invention provides a method for improving the working stability of the thick and thin shearing and pressing flat roller, which has the following beneficial effects:
1. according to the method for improving the working stability of the thickness shearing and pressing flat roller, the pressure on two sides and the balance back pressure are respectively controlled by using the three pneumatic proportional valves, and the diameter of the roll is independently controlled, so that the quality problems of tension release, roll loosening, layer staggering and the like caused by equipment problems are solved, the poor-surface strip produced by a thickness shearing machine is improved, the speed of the thickness shearing machine can be increased from tens of meters to hundreds of meters, and the production efficiency is greatly improved.
2. According to the method for improving the working stability of the thickness shearing flattening roller, the flattening roller and the winding diameter are separately controlled, so that the rotating speed of the flattening roller and the winding diameter can be controlled according to the field condition when the thickness shearing machine is used, and the operation of the thickness shearing machine is more stable.
3. According to the method for improving the working stability of the thickness shearing and flattening roller, the three pneumatic proportional valves are adopted for controlling the rolling and flattening roller respectively, namely, the pressure measuring, the pressure balancing and the working side pressure are driven to be used for manual control and give a certain preset value in a program, and then manual control is assisted, so that the operation of the flattening roller can be more stable, and the effect is better.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The first embodiment is as follows:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 5m, setting the thickness of incoming materials to be 2cm, and setting the speed of the incoming materials to be 120 m/min;
s6: the operation is started.
Example two:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 4m, the thickness of the incoming material to be 3cm and the incoming material speed to be 90 m/min;
s6: the operation is started.
Example three:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 3m, the thickness of the incoming material to be 3cm, and the speed of the incoming material to be 96 m/min;
s6: the operation is started.
Example four:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 2m, the thickness of the incoming material to be 2cm, and the speed of the incoming material to be 90 m/min;
s6: the operation is started.
Example five:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 2m, setting the thickness of the incoming material to be 2cm, and setting the speed of the incoming material to be 93 m/min;
s6: the operation is started.
Example six:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 1m, setting the thickness of incoming materials to be 2cm, and setting the speed of the incoming materials to be 80 m/min;
s6: the operation is started.
Example seven:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 1.5m, setting the thickness of the incoming material to be 1cm, and setting the speed of the incoming material to be 120 m/min;
s6: the operation is started.
Example eight:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 0.5m, the thickness of the incoming material to be 0.8cm and the speed of the incoming material to be 100 m/min;
s6: the operation is started.
Example nine:
a method for improving the working stability of a thick and thin shearing and pressing flat roller comprises the following steps:
s1: the method comprises the following steps that pneumatic proportional valves are mounted on a thick and thin shearing machine, the number of the pneumatic proportional valves is three, one of the pneumatic proportional valves controls the operating side pressure, one of the pneumatic proportional valves controls the driving side pressure, and one of the pneumatic proportional valves controls the balance pressure;
s2: connecting the proportional valves with an operation table potentiometer, and controlling the output of each proportional valve through the operation table potentiometer to control the flattening roller;
s3: and programming and recording a program on an operation table, wherein the program is programmed as follows: the program only selects the external coiling DS side to regulate output
A M100.0
= L86.0
A L 86.0
JNB -016
L PIW 288- -external coiling DS operator given force
L MW 862- -Preset force
+ I
T PQW 256-feed proportional valve control
In order to separately control the roll diameter of the flattening roll and the roll diameter of the coiling roll by adopting a calculation mode and applying fixed length and thickness to calculate the roll diameter of the coiling roll, a program is written as follows:
a DB11. DBX128.0- -selection of reel diameter 75
= L152.0
A(
A(
A(
A L 152.0
JNB -061
L DB11. DBD112- -length of trim
L DB11. DBD18- -incoming thickness
*R
T #temp40
AN 0V
SAVE
CLR
-061: A BR
)
JNB -062
L #TEMP40
L 3.184713e+002
*R
T #TEMP41
AV 0V
SAVE
CLR
-062: A BR
)
JNB -063
L #TEMP41
+ 1.4065e+003
+R
T #TEMP42
AN 0V
SAVE
CLR
-063: A BR
)
JNB -064
L #TEMP42
SQRT
T #TEMP42
-064: NOP 0
A(
A L 152.0
JNB -065
L #TEMP42
L 1.000000e+000
T #TEMP43
AN 0V
CLR
-065: A BR
JNB -066
L #TEMP43
L 0.0
+R
T MD 16- -calculated inside coil diameter;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length to be 1.8m, the thickness of the incoming material to be 3cm and the speed of the incoming material to be 110 m/min;
s6: the operation is started.
The invention has the beneficial effects that: the three pneumatic proportional valves are used for respectively controlling the pressure at two sides and the balanced back pressure, and the roll diameter is independently controlled, so that the quality problems of tension relief, roll loosening, staggered layers and the like caused by equipment problems are solved, the poor strip on the surface produced by the thick and thin shearing machine is improved, the speed of the thick and thin shearing machine can be increased from tens of meters to hundreds of meters, the production efficiency is greatly improved, the flattening roller and the roll diameter are separately controlled, the rotating speeds of the flattening roller and the roll diameter can be controlled according to the field condition when the thick and thin shearing machine is used, the operation of the flattening roller is more stable, the three pneumatic proportional valves are respectively used for controlling through the coiling flattening roller, namely, the pressure measurement, the balanced pressure and the working side pressure are used for manual control and give a certain preset value in a program, and then the manual control is assisted, the operation of the flattening roller can be more stable, and the effect is better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A method for improving the working stability of a thick and thin shearing and pressing flat roller is characterized by comprising the following steps:
s1: a pneumatic proportional valve is arranged on the thickness shearing machine;
s2: connecting the proportional valve with an operation table potentiometer;
s3: programming and recording programs on an operation table;
s4: turning on a power supply and turning on a thickness shearing machine;
s5: setting the cutting length, the thickness of the supplied materials and the speed of the supplied materials;
s6: the operation is started.
2. The method for improving the working stability of the thick and thin shearing and flattening roller as claimed in claim 1, wherein the number of the pneumatic proportional valves is three.
3. The method for improving the working stability of the thick and thin shearing flat roll as claimed in claim 1, wherein one of the pneumatic proportional valves controls the operating side pressure.
4. The method for improving the working stability of the thick and thin shearing flat roll as claimed in claim 1, wherein one of the pneumatic proportional valves controls the driving side pressure.
5. The method for improving the working stability of the thick and thin shearing flat roll as claimed in claim 1, wherein one of the pneumatic proportional valves controls the balance pressure.
6. The method for improving the working stability of the thick and thin shearing and flattening roller according to the claim 1, characterized in that the cutting length is between 0 and 10 m.
7. The method for improving the working stability of a thick and thin shear flat roll according to claim 1, wherein the incoming material has a thickness of 0-5 cm.
8. The method for improving the working stability of a thick and thin shearing and flattening roller according to claim 7, wherein the speed of the incoming material is between 0 and 300 m/min.
CN202111306323.XA 2021-11-05 2021-11-05 Method for improving working stability of thick and thin shearing and pressing flat roller Pending CN114029359A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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ID=80142958

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Application Number Title Priority Date Filing Date
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Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202439038U (en) * 2012-02-01 2012-09-19 陕西省户县东方机械有限公司 Vertical thick foil shearing set
CN104128801A (en) * 2014-07-09 2014-11-05 陕西省户县东方机械有限公司 Aluminum strip shearing unit for transformer
CN113477714A (en) * 2021-06-18 2021-10-08 刘国茂 Double-shearing system splitting machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202439038U (en) * 2012-02-01 2012-09-19 陕西省户县东方机械有限公司 Vertical thick foil shearing set
CN104128801A (en) * 2014-07-09 2014-11-05 陕西省户县东方机械有限公司 Aluminum strip shearing unit for transformer
CN113477714A (en) * 2021-06-18 2021-10-08 刘国茂 Double-shearing system splitting machine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
杨继明: "厚箔剪切机卷取压平辊控制的设计与实现", 《有色金属加工》, 20 April 2011 (2011-04-20), pages 32 - 33 *
杨继明: "厚箔剪切机卷取压平辊控制的设计与实现（续）", 《有色金属加工》, 20 June 2011 (2011-06-20), pages 30 - 32 *

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