Control system and method for reeling vulcanized fiber paper sleeve
阅读说明：本技术 一种带钢纸套筒卷取的控制系统和方法 (Control system and method for reeling vulcanized fiber paper sleeve ) 是由 卢杰 吕剑 武洪刚 张学强 彭士超 于超 王晨刚 宁媛媛 赵志德 闫凯军 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种带钢纸套筒卷取的控制系统和方法,属于冶金技术领域,通过芯轴；纸套筒,所述纸套筒套设在所述芯轴的外部；液压驱动装置,所述液压驱动装置包括：液压缸,所述液压缸通过一液压推杆与所述芯轴的端部连接；编码器,所述编码器设置在所述液压缸远离所述芯轴的一端；压力检测仪表,所述压力检测仪表设置在所述液压缸的入口管路的第一位置处,所述压力检测仪表用于检测所述芯轴的当前压力值；控制部件,所述控制部件通过逻辑电路与所述液压驱动装置连通,从而达到了简便易用,实现根据芯轴膨胀压力值来更改芯轴膨胀位置设定值的功能,消除纸套筒卷取缺陷的技术效果。(The invention discloses a control system and a method for coiling a vulcanized fiber paper sleeve, which belong to the technical field of metallurgy and are realized through a mandrel; the paper sleeve is sleeved outside the mandrel; a hydraulic drive apparatus, the hydraulic drive apparatus comprising: the hydraulic cylinder is connected with the end part of the mandrel through a hydraulic push rod; the encoder is arranged at one end of the hydraulic cylinder, which is far away from the mandrel; the pressure detection instrument is arranged at a first position of an inlet pipeline of the hydraulic cylinder and is used for detecting the current pressure value of the mandrel; the control component is communicated with the hydraulic driving device through a logic circuit, so that the effects of simplicity, convenience and easiness in use are achieved, the function of changing the set value of the expansion position of the mandrel according to the expansion pressure value of the mandrel is realized, and the technical effect of eliminating the coiling defect of the paper sleeve is achieved.)
1. The utility model provides a control system that belted steel paper sleeve batched which characterized in that includes:
a mandrel;
the paper sleeve is sleeved outside the mandrel;
a hydraulic drive apparatus, the hydraulic drive apparatus comprising:
the hydraulic cylinder is connected with the end part of the mandrel through a hydraulic push rod;
the encoder is arranged at one end of the hydraulic cylinder, which is far away from the mandrel;
the pressure detection instrument is arranged at a first position of an inlet pipeline of the hydraulic cylinder and is used for detecting the current pressure value of the mandrel;
a control component in communication with the hydraulic drive device through a logic circuit.
2. The strip steel paper sleeve coiling control system of claim 1, wherein said hydraulic drive means further comprises:
the first electromagnetic valve is arranged on an outlet pipeline of the hydraulic cylinder;
a second solenoid valve disposed at a second location of the inlet line of the hydraulic cylinder;
a hydraulic pump disposed at a third location of an inlet line of the hydraulic cylinder;
and the hydraulic oil tank is respectively connected with one ends of the inlet pipeline and the outlet pipeline, which are far away from the hydraulic cylinder.
3. The strip steel paper sleeve coiling control system of claim 1, said control component comprising:
the controller is respectively connected with the encoder, the pressure detection instrument, the first electromagnetic valve and the second electromagnetic valve;
and the operation screen is connected with the controller, sets the expansion set value of the mandrel through the operation screen, and sends the expansion set value to the controller.
4. The strip steel paper sleeve coiling control system of claim 1, further comprising:
and the alarm unit is in communication connection with the control component, and gives an alarm when the current pressure value of the mandrel does not meet the pressure set value.
5. A control method for coiling a strip steel paper sleeve is used for coiling strip steel of a continuous annealing line and is characterized by comprising the following steps:
step 1: obtaining an expansion set value of the mandrel according to the diameter of the paper sleeve;
step 2: sending the expansion set value to a controller, and enabling the controller to control the mandrel to expand according to the expansion set value;
and step 3: closing a first electromagnetic valve arranged on an outlet pipeline of the hydraulic cylinder, and opening a second electromagnetic valve and a hydraulic pump arranged on an inlet pipeline of the hydraulic cylinder to enable a hydraulic push rod to push the mandrel to expand;
and 4, step 4: collecting the current expansion value of the encoder, and collecting the current pressure value of a pressure detection instrument arranged on the inlet pipeline;
and 5: respectively comparing the current expansion value with an expansion set value and comparing the current pressure value with a pressure set value, and controlling the expansion process of the mandrel according to a preset strategy;
step 6: when the expansion process is finished, starting to perform coiling operation;
and 7: and after the coiling process is finished, closing the second electromagnetic valve and the hydraulic pump, opening the first electromagnetic valve, and withdrawing the hydraulic push rod to enable the mandrel to shrink.
6. The strip steel paper sleeve coiling control method of claim 5, characterized in that in step 7, the method further comprises:
after the mandrel has contracted, the unwinding operation is started.
7. The strip steel paper sleeve coiling control method of claim 5, characterized in that the pressure set value is in the range of 55-60 bar.
8. The strip steel paper sleeve reeling control method of claim 5, wherein the preset strategy comprises:
and when the current expansion value is smaller than the expansion set value and the current pressure value is smaller than the lower limit value of the pressure set value, continuing the pressurization operation until the current expansion value reaches the expansion set value and the current pressure value reaches the pressure set value.
9. The strip steel paper sleeve coiling control method of claim 7, characterized in that the preset strategy further comprises:
and when the current expansion value meets the expansion set value and the current pressure value is smaller than the lower limit value of the pressure set value, an alarm unit alarms and adjusts the expansion set value until the current pressure value is larger than the lower limit value of the pressure set value.
10. The strip steel paper sleeve coiling control method of claim 7, characterized in that the preset strategy further comprises:
and when the current pressure value is greater than the upper limit value of the pressure set value and the current expansion value is less than the expansion set value, stopping the expansion process.
Technical Field
The invention relates to the technical field of metallurgy, in particular to a control system and a control method for coiling a vulcanized fiber paper sleeve.
Background
The coiler is auxiliary equipment of a steel rolling workshop for coiling the hot-rolled or cold-rolled steel into a reel shape, and is arranged behind a finished product stand on a hot strip steel continuous rolling mill, a cold strip steel continuous rolling mill and a wire rod rolling mill; the single-stand reversible cold-strip rolling mill is arranged in front of and behind the rolling mill. In addition, it is also installed in various finishing units such as continuous pickling line, slitting, annealing, coating, etc.
At present, when a thin steel coil is produced, a paper sleeve is used for winding at an outlet, and the problem is that when the set value of the expansion position of a mandrel of a winding machine is smaller, the friction force between the mandrel and the paper sleeve is too small, the mandrel and the paper sleeve are easy to slip during threading, and the outlet is stopped quickly; when the setting value of the expansion position of the mandrel of the coiling machine is large, the paper sleeve expands too much, the steel coil is released from the mandrel, and then the paper sleeve contracts and recovers to the original state, so that the inner ring of the steel coil is loosened, namely, the abnormal problem is caused by the too large or too small setting value of the expansion position of the mandrel.
Disclosure of Invention
The invention provides a control system and a control method for reeling a steel paper sleeve, which are used for solving the technical problem that reeling is abnormal due to the fact that the set value of the expansion position of a mandrel is too large or too small in the prior art, achieving the technical effects of being simple, convenient and easy to use, changing the set value of the expansion position of the mandrel according to the expansion pressure value of the mandrel and eliminating the reeling defects of the paper sleeve.
In a first aspect, the present invention provides a control system for reeling a vulcanized fiber paper sleeve, comprising: a mandrel; the paper sleeve is sleeved outside the mandrel; a hydraulic drive apparatus, the hydraulic drive apparatus comprising: the hydraulic cylinder is connected with the end part of the mandrel through a hydraulic push rod; the encoder is arranged at one end of the hydraulic cylinder, which is far away from the mandrel; the pressure detection instrument is arranged at a first position of an inlet pipeline of the hydraulic cylinder and is used for detecting the current pressure value of the mandrel; a control component in communication with the hydraulic drive device through a logic circuit.
Preferably, the hydraulic drive apparatus further includes: the first electromagnetic valve is arranged on an outlet pipeline of the hydraulic cylinder; a second solenoid valve disposed at a second location of the inlet line of the hydraulic cylinder; a hydraulic pump disposed at a third location of an inlet line of the hydraulic cylinder; and the hydraulic oil tank is respectively connected with one ends of the inlet pipeline and the outlet pipeline, which are far away from the hydraulic cylinder.
Preferably, the control means includes: the controller is respectively connected with the encoder, the pressure detection instrument, the first electromagnetic valve and the second electromagnetic valve; and the operation screen is connected with the controller, sets the expansion set value of the mandrel through the operation screen, and sends the expansion set value to the controller.
Preferably, the method further comprises the following steps: and the alarm unit is in communication connection with the control component, and gives an alarm when the current pressure value of the mandrel does not meet the pressure set value.
In a second aspect, the present invention further provides a method for controlling winding of a steel strip paper sleeve, which is used for winding steel strips in a continuous annealing line, and includes: step 1: obtaining an expansion set value of the mandrel according to the diameter of the paper sleeve; step 2: sending the expansion set value to a controller, and enabling the controller to control the mandrel to expand according to the expansion set value; and step 3: closing a first electromagnetic valve arranged on an outlet pipeline of the hydraulic cylinder, and opening a second electromagnetic valve and a hydraulic pump arranged on an inlet pipeline of the hydraulic cylinder to enable a hydraulic push rod to push the mandrel to expand; and 4, step 4: collecting the current expansion value of the encoder, and collecting the current pressure value of a pressure detection instrument arranged on the inlet pipeline; and 5: respectively comparing the current expansion value with an expansion set value and comparing the current pressure value with a pressure set value, and controlling the expansion process of the mandrel according to a preset strategy; step 6: when the expansion process is finished, starting to perform coiling operation; and 7: and after the coiling process is finished, closing the second electromagnetic valve and the hydraulic pump, opening the first electromagnetic valve, and withdrawing the hydraulic push rod to enable the mandrel to shrink.
Preferably, in the
Preferably, the pressure set point is in the range 55-60 bar.
Preferably, the preset policy includes: and when the current expansion value is smaller than the expansion set value and the current pressure value is smaller than the lower limit value of the pressure set value, continuing the pressurization operation until the current expansion value reaches the expansion set value and the current pressure value reaches the pressure set value.
Preferably, the preset policy further includes: and when the current expansion value meets the expansion set value and the current pressure value is smaller than the lower limit value of the pressure set value, an alarm unit alarms and adjusts the expansion set value until the current pressure value is larger than the lower limit value of the pressure set value.
Preferably, the preset policy further includes: and when the current pressure value is greater than the upper limit value of the pressure set value and the current expansion value is less than the expansion set value, stopping the expansion process.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
the invention provides a control system and a method for coiling a steel paper sleeve, which comprises a mandrel, the paper sleeve, a hydraulic driving device, an encoder, a pressure detector and a control part, wherein the paper sleeve is sleeved outside the mandrel, the expansion value of the mandrel can be further set according to the tube diameter of the paper sleeve during coiling, the hydraulic driving device comprises a hydraulic cylinder, one end of the hydraulic cylinder is connected with the end part of the mandrel through a hydraulic push rod, the other end of the hydraulic cylinder is connected with the encoder, and the expansion value of the mandrel is read through the encoder. The pressure detection instrument is arranged at a first position of an inlet pipeline of the hydraulic cylinder, and an actual pressure value of the mandrel can be detected in the coiling process through the pressure detection instrument; the working personnel can set the cylinder diameter of the paper sleeve on the control component, the expansion set value of the mandrel is obtained according to the cylinder diameter of the paper sleeve, and then the mandrel expansion action is executed through the control component according to the set value, so that the technical problem that the mandrel expansion position set value is too large or too small in the prior art, abnormal coiling can be caused is solved, the purposes of simplicity, convenience and easiness in use are achieved, the function of changing the mandrel expansion position set value according to the mandrel expansion pressure value is realized, and the technical effect of eliminating the coiling defect of the paper sleeve is achieved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic structural diagram of a control system for reeling a vulcanized fiber paper sleeve according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a control method for reeling a vulcanized fiber paper sleeve according to an embodiment of the invention.
Description of reference numerals: an encoder 1; a
Detailed Description
The embodiment of the invention provides a control system and method for reeling a steel paper sleeve, which are used for solving the technical problem that reeling abnormity can be caused by the fact that the set value of the expansion position of a mandrel is too large or too small in the prior art.
The technical scheme in the embodiment of the invention has the following general idea:
the invention provides a control system and a method for coiling a steel paper sleeve, which comprises the following steps of (1) passing through a mandrel; the paper sleeve is sleeved outside the mandrel; a hydraulic drive apparatus, the hydraulic drive apparatus comprising: the hydraulic cylinder is connected with the end part of the mandrel through a hydraulic push rod; the encoder is arranged at one end of the hydraulic cylinder, which is far away from the mandrel; the pressure detection instrument is arranged at a first position of an inlet pipeline of the hydraulic cylinder and is used for detecting the current pressure value of the mandrel; the control component is communicated with the hydraulic driving device through a logic circuit, so that the effects of simplicity, convenience and easiness in use are achieved, the function of changing the set value of the expansion position of the mandrel according to the expansion pressure value of the mandrel is realized, and the technical effect of eliminating the coiling defect of the paper sleeve is achieved.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
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