CN114538201A - Control method and device of bobbin winder, readable storage medium and bobbin winder - Google Patents

Control method and device of bobbin winder, readable storage medium and bobbin winder Download PDF

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Publication number
CN114538201A
CN114538201A CN202210298548.3A CN202210298548A CN114538201A CN 114538201 A CN114538201 A CN 114538201A CN 202210298548 A CN202210298548 A CN 202210298548A CN 114538201 A CN114538201 A CN 114538201A
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CN
China
Prior art keywords
unwinding
skein
winding tension
roll
package
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Granted
Application number
CN202210298548.3A
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Chinese (zh)
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CN114538201B (en
Inventor
何震球
陈刚
柴明
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Hollysys Electric Technology Co ltd
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Hollysys Electric Technology Co ltd
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Priority to CN202210298548.3A priority Critical patent/CN114538201B/en
Publication of CN114538201A publication Critical patent/CN114538201A/en
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Publication of CN114538201B publication Critical patent/CN114538201B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/082—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined size or diameter of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/086—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to completion of unwinding of a package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B65H2701/319—Elastic threads

Abstract

The invention provides a control method and a device of a winding machine, a readable storage medium and the winding machine, wherein the winding machine is used for unwinding elastic filaments on a skein roll to a package bobbin, and the control method comprises the following steps: determining the target winding tension of a package bobbin according to the diameter section of the unwinding diameter of the skein roll; the spandex on the package is unwound at the target winding tension onto a package bobbin. According to the technical scheme, the winding tension of the package yarn drum is adjusted in real time according to the diameter interval of the unwinding diameter of the skein roll, so that the package yarn drum is not easy to be tight inside and loose outside, the condition that the bobbin winder is unstable when the bobbin winder frequently adjusts the winding tension of the package yarn drum is avoided, and the stability and the reliability of the operation of the bobbin winder are improved.

Description

Control method and device of bobbin winder, readable storage medium and bobbin winder
Technical Field
The invention relates to the technical field of automatic control, in particular to a control method and device of a bobbin winder, a readable storage medium and the bobbin winder.
Background
In the prior art, the hank reel adopts the elastic support frame for supporting, so that the internal and external elongation rates of the hank reel are different, the diameter of the hank reel is reduced from large to small along with the unwinding of the hank reel, and the resilience force of the elastic wire is also reduced from large to small.
Disclosure of Invention
The present invention has been made to solve at least one of the problems occurring in the prior art or the related art.
To this end, a first aspect of the invention provides a method for controlling a winding machine.
A second aspect of the present invention is to provide a control device for a winding machine.
A third aspect of the invention is directed to a readable storage medium.
A fourth aspect of the invention provides a winding machine.
In view of the above, according to one aspect of the present invention, there is provided a control method of a winder for unwinding elastic yarn on a package bobbin onto a package bobbin, the control method including: determining a target winding tension of the package bobbin according to a diameter section where the unwinding diameter of the skein roll is located; the elastic yarn on the skein roll is unwound to the package bobbin at the target winding tension.
In order to more clearly describe the control method of the bobbin winder provided by the present invention, the following technical solution is exemplified by using the execution main body of the control method of the bobbin winder as the control device of the bobbin winder.
In this embodiment, the unwinding diameter of the skein roll is used to indicate the actual diameter of the skein roll during unwinding of the elastic yarn on the skein roll onto the package bobbin.
Specifically, in the case where the diameter of the package is the same as the yarn type and the winding linear velocity is constant, the unwinding diameter of the package and the package unwinding property have a certain functional relationship, and therefore, the control device needs to determine the target winding tension of the package bobbin by determining the unwinding diameter of the package bobbin at different times in unwinding the elastic yarn on the package bobbin onto the package bobbin.
Specifically, since it is determined that the winding tension of the package bobbin does not change much when the unwinding diameter changes little, in order to avoid frequent adjustment of the winding tension of the package bobbin by the winder, in the present invention, the target winding tension of the package bobbin is determined according to the diameter section in which the unwinding diameter of the skein roll is located. Therefore, the condition that the package yarn barrel is not easy to tighten inside and loosen outside is ensured, and the winding tension of the package yarn barrel is prevented from being frequently adjusted by a winding machine.
Specifically, the diameter section is set in advance according to a functional relationship between the unwinding diameter of the hank reel and the hank reel rebound characteristic, and it can be understood that the inside tension and the outside tension of the package bobbin do not occur in the same diameter section when the same winding tension is applied.
Further, the control device controls the winder to unwind the elastic yarn on the package bobbin at the target winding tension.
In this technical solution, the control device first determines a target winding tension of the package bobbin according to a diameter section in which an unwinding diameter of the package bobbin is located, and then controls the winder to unwind the elastic yarn on the package bobbin to the package bobbin at the target winding tension. According to the technical scheme, the winding tension of the package yarn drum is adjusted in real time according to the diameter interval of the unwinding diameter of the skein roll, so that the package yarn drum is not easy to be tight inside and loose outside, the condition that the bobbin winder is unstable when the bobbin winder frequently adjusts the winding tension of the package yarn drum is avoided, and the stability and the reliability of the operation of the bobbin winder are improved.
In addition, the control method of the bobbin winder according to the present invention may further include the following additional features:
in the above aspect, before determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the hank reel is located, the control method further includes: acquiring the winding linear velocity of a package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of a skein roll; and determining the unwinding diameter of the skein roll according to the winding linear speed, the current winding tension and the unwinding angular speed.
In this case, before determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the package bobbin is located, the control device needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin. Specifically, since the unwinding diameter of the package bobbin can be calculated from the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin, the control device needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin before determining the winding tension of the package bobbin from the diameter section in which the unwinding diameter of the package bobbin is located.
It is understood that a linear velocity sensor, a tension sensor and an angular velocity sensor are installed on the winder for detecting the winding linear velocity, the current winding tension and the unwinding angular velocity, respectively. Specifically, the control device acquires the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the skein bobbin, by the linear velocity sensor, the tension sensor, and the angular velocity sensor.
Further, the control device calculates the unwinding diameter of the skein roll according to the winding linear speed, the current winding tension and the unwinding angular speed.
In the technical scheme, the control device comprehensively obtains the winding linear speed of the package bobbin, the current winding tension of the package bobbin and the unwinding angular speed of the skein coil to determine the unwinding diameter of the skein coil, so that the accuracy of the determined unwinding diameter of the skein coil is improved, and the accuracy of the determined target winding tension of the package bobbin is further ensured.
In the above-described aspect, the step of determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the skein package is located specifically includes: determining a winding tension compensation value according to the relation between the diameter interval and the resilience force of the skein roll; and determining the target winding tension according to the current winding tension and the winding tension compensation value.
In this technical solution, the process of determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the skein package is located is: the control device determines a winding tension compensation value according to the relationship between the diameter section and the resilience force of the skein roll. In particular, the winding tension compensation value is used to indicate the value of the winding tension that should be adjusted when the unwinding diameter of the skein package is changed.
Further, the control device determines the target winding tension according to the current winding tension and the winding tension compensation value. Specifically, the target winding tension is equal to the sum of the current winding tension and the winding tension compensation value.
In the technical scheme, the control device can accurately determine the value of the winding tension to be adjusted when the unwinding diameter of the skein roll changes according to the relation between the diameter section where the unwinding diameter of the skein roll is located and the resilience force of the skein roll, and determine the target winding tension of the package bobbin according to the value of the winding tension to be adjusted and the current winding tension. Therefore, the control device can determine accurate target winding tension according to the diameter interval where the unwinding diameter of the skein roll is located, and then the bobbin winder is controlled to unwind the elastic wire on the skein roll to the package bobbin by the winding tension corresponding to the diameter interval, so that the condition that the package bobbin is tight inside and loose outside is avoided.
In the above technical solution, after determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity, the control method further includes: and determining to generate prompt information for replacing the skein roll under the condition that the unwinding diameter of the skein roll is smaller than a preset threshold value.
In the technical scheme, after the unwinding diameter of the skein roll is determined according to the winding linear velocity, the current winding tension and the unwinding angular velocity, the control device is further used for determining and generating prompt information for replacing the skein roll when the unwinding diameter of the skein roll is smaller than a preset threshold value.
Specifically, if the unwinding diameter of the skein roll is smaller than the preset threshold, the skein roll indicates that all the elastic yarns on the skein roll are unwound to the package bobbin, and at the moment, the control device generates a prompt message for replacing the skein roll.
Specifically, after the control device generates the prompt information for replacing the skein roll, the user can replace the skein roll in a manual mode, and the winding machine can also automatically replace the skein roll.
Furthermore, after the hank reel is replaced to a new hank reel, the control device needs to determine the unwinding diameter of the hank reel again, and then determines the target winding tension corresponding to the diameter interval where the unwinding diameter is located, so as to ensure that the elastic thread on the package bobbin cannot be tightened inside or outside when the hank reel is replaced.
In the technical scheme, after the unwinding diameter of the skein roll is determined, the control device can judge whether the skein roll needs to be replaced by a new skein roll according to the size relation between the unwinding diameter and a preset threshold value, and prompt information is generated, so that a user or a winder can replace the skein roll in time after the skein roll is unwound, the target winding tension is determined again after the skein roll is replaced, and the winding bobbin can be ensured to be excellent when the skein roll is replaced.
According to a second aspect of the present invention, there is provided a control device for a winding machine for unwinding a stretch yarn from a package bobbin, the control device comprising: a processing unit for determining a target winding tension of the package bobbin according to a diameter section in which an unwinding diameter of the skein roll is located; the processing unit is also configured to unwind the stretch yarn from the package onto the package bobbin at the target winding tension.
In this embodiment, the unwinding diameter of the skein roll is used to indicate the actual diameter of the skein roll during unwinding of the elastic yarn from the skein roll to the package bobbin.
Specifically, in the case where the diameter of the skein roll is the same as the yarn type and the winding linear velocity is constant, the unwinding diameter of the skein roll and the skein rewinding property have a certain functional relationship, and therefore, it is necessary to determine, by the processing unit, the unwinding diameter of the skein roll at different times in the process of unwinding the elastic yarn on the skein roll onto the package bobbin to determine the target winding tension of the package bobbin.
Specifically, since it is determined that the winding tension of the package bobbin does not change much when the unwinding diameter changes little, in order to avoid frequent adjustment of the winding tension of the package bobbin by the winder, in the aspect of the present application, the processing unit is configured to determine the target winding tension of the package bobbin from the diameter section in which the unwinding diameter of the skein roll is located. Therefore, the condition that the package yarn barrel is not easy to tighten inside and loosen outside is ensured, and the winding tension of the package yarn barrel is prevented from being frequently adjusted by a winding machine.
Specifically, the diameter section is set in advance according to a functional relationship between the unwinding diameter of the hank reel and the hank reel rebound characteristic, and it can be understood that the inside tension and the outside tension of the package bobbin do not occur in the same diameter section when the same winding tension is applied.
Further, the processing unit controls the winder to unwind the elastic filaments on the package bobbin at the target winding tension.
In this embodiment, the processing unit first determines a target winding tension of the package bobbin according to a diameter section in which an unwinding diameter of the package bobbin is located, and then controls the winder to unwind the elastic yarn on the package bobbin to the package bobbin at the target winding tension. According to the technical scheme, the winding tension of the package yarn drum is adjusted in real time according to the diameter interval of the unwinding diameter of the skein roll, so that the package yarn drum is not easy to be tight inside and loose outside, the condition that the bobbin winder is unstable when the bobbin winder frequently adjusts the winding tension of the package yarn drum is avoided, and the stability and the reliability of the operation of the bobbin winder are improved.
In the above technical solution, the control device further includes: an acquisition unit; before determining the winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll: the obtaining unit is used for obtaining the winding linear velocity of the package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of the skein roll; the processing unit is also used for determining the unwinding diameter of the skein roll according to the winding linear speed, the current winding tension and the unwinding angular speed.
In this aspect, the acquisition unit is configured to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin before determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the package bobbin is located. Specifically, since the processing unit can calculate the unwinding diameter of the package bobbin from the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin, the acquisition unit needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin before determining the winding tension of the package bobbin from the diameter section in which the unwinding diameter of the package bobbin is located.
It is understood that a linear velocity sensor, a tension sensor and an angular velocity sensor are installed on the winder for detecting the winding linear velocity, the current winding tension and the unwinding angular velocity, respectively. Specifically, the acquisition unit may acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the skein bobbin by the above-described linear velocity sensor, tension sensor, and angular velocity sensor.
Further, the processing unit calculates the unwinding diameter of the skein roll according to the winding linear speed, the current winding tension and the unwinding angular speed.
In the technical scheme, the processing unit comprehensively determines the unwinding diameter of the skein roll through the winding linear velocity of the package yarn roll, the current winding tension of the package yarn roll and the unwinding angular velocity of the skein roll, which are acquired by the acquisition unit, so that the accuracy of the determined unwinding diameter of the skein roll is improved, and the accuracy of the determined target winding tension of the package yarn roll is further ensured.
In the above aspect, the step of determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the package bobbin is located includes: the processing unit is specifically used for determining a winding tension compensation value according to the relation between the diameter interval and the resilience force of the skein roll; the processing unit is further configured to determine a target winding tension based on the current winding tension and the winding tension compensation value.
In this technical means, in the process of determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the skein package is located: the processing unit firstly determines a winding tension compensation value according to the relation between the diameter section and the resilience force of the skein roll. In particular, the winding tension compensation value is used to indicate the value of the winding tension that should be adjusted when the unwinding diameter of the skein package is changed.
Further, the processing unit determines a target winding tension according to the current winding tension and the winding tension compensation value. Specifically, the target winding tension is equal to the sum of the current winding tension and the winding tension compensation value.
In the technical scheme, the processing unit can accurately determine the value of the winding tension to be adjusted when the unwinding diameter of the skein roll changes according to the relation between the diameter section where the unwinding diameter of the skein roll is located and the resilience force of the skein roll, and determine the target winding tension of the package bobbin according to the value of the winding tension to be adjusted and the current winding tension. Therefore, the processing unit can determine accurate target winding tension according to the diameter section where the unwinding diameter of the skein roll is located, and then the bobbin winder is controlled to unwind the elastic wires on the skein roll to the package bobbin through the winding tension corresponding to the diameter section, so that the condition that the package bobbin is tight inside and loose outside is avoided.
In the above technical solution, after determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity: the processing unit is also used for determining to replace the skein roll when the unwinding diameter of the skein roll is smaller than a preset threshold value.
In the technical scheme, after the unwinding diameter of the skein roll is determined according to the winding linear velocity, the current winding tension and the unwinding angular velocity, the processing unit can generate prompt information for replacing the skein roll when the unwinding diameter of the skein roll is smaller than a preset threshold value.
Specifically, if the unwinding diameter of the skein roll is smaller than the preset threshold, it indicates that the elastic yarn on the skein roll has been completely unwound onto the package bobbin, and at this time, a prompt message for replacing the skein roll needs to be generated by the processing unit.
Specifically, after the processing unit generates prompt information for replacing the skein roll, the user can replace the skein roll in a manual mode, and the winding machine can also automatically replace the skein roll.
Furthermore, after the hank reel is replaced to a new hank reel, the processing unit needs to determine the unwinding diameter of the hank reel again, and then determines the target winding tension corresponding to the diameter interval where the unwinding diameter is located, so as to ensure that the elastic thread on the package bobbin cannot be tightened inside or outside when the hank reel is replaced.
In the technical scheme, after the unwinding diameter of the skein roll is determined, the processing unit can judge whether a new skein roll needs to be replaced or not according to the size relation between the unwinding diameter and the preset threshold value, and prompt information is generated, so that a user or a winder can replace the new skein roll in time after the skein roll is unwound, the target winding tension is determined again after the skein roll is replaced, and the winding bobbin can be ensured to be excellent when the skein roll is replaced.
According to a third aspect of the invention, a readable storage medium is proposed, on which a program or instructions are stored, which program or instructions, when executed by a processor, implement the control method of a winding machine as proposed in the first aspect of the invention. Therefore, the readable storage medium has all the advantages of the control method of the bobbin winder according to the first aspect of the present invention, and will not be described herein again.
According to a fourth aspect of the present invention, there is provided a winding machine comprising: the control device of the bobbin winder according to the second aspect of the present invention, and/or the readable storage medium according to the third aspect of the present invention, therefore, the bobbin winder has all the advantages of the control device of the bobbin winder according to the second aspect of the present invention, and/or the readable storage medium according to the third aspect of the present invention, and will not be described herein again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows one of the flow diagrams of a control method of a winder according to an embodiment of the present invention;
FIG. 2 is a second flow chart of a control method of a bobbin winder according to an embodiment of the present invention;
FIG. 3 is a third schematic flow chart showing a control method of the bobbin winder according to the embodiment of the present invention;
FIG. 4 shows a fourth flowchart of a control method of the winder according to the embodiment of the present invention;
FIG. 5 shows a schematic block diagram of a control device of a winder according to an embodiment of the present invention;
FIG. 6 shows a schematic block diagram of a winder of an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The control method, the control device, the readable storage medium and the winding machine provided by the embodiment of the invention are described in detail by referring to fig. 1 to 6 through specific embodiments and application scenarios thereof.
The first embodiment is as follows:
fig. 1 is a schematic flow chart illustrating a control method of a winder according to an embodiment of the present invention, wherein the control method includes:
step S102, determining the target winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll;
step S104, the elastic yarn on the skein roll is unwound to the package bobbin at the target winding tension.
In order to more clearly describe the control method of the bobbin winder according to the present invention, the following embodiments exemplarily describe the execution main body of the control method of the bobbin winder as the control device of the bobbin winder.
In this embodiment, the unwinding diameter of the skein roll is used to indicate the actual diameter of the skein roll during unwinding of the elastic filament on the skein roll onto the package bobbin.
Specifically, in the case where the diameter of the package is the same as the yarn type and the winding linear velocity is constant, the unwinding diameter of the package and the package unwinding property have a certain functional relationship, and therefore, the control device needs to determine the target winding tension of the package bobbin by determining the unwinding diameter of the package bobbin at different times in unwinding the elastic yarn on the package bobbin onto the package bobbin.
Specifically, since it is determined that the winding tension of the package bobbin does not change much when the unwinding diameter changes little, in order to avoid frequent adjustment of the winding tension of the package bobbin by the winder, in the present invention, the target winding tension of the package bobbin is determined according to the diameter section in which the unwinding diameter of the skein roll is located. Therefore, the condition that the package yarn barrel is not easy to tighten inside and loosen outside is ensured, and the winding tension of the package yarn barrel is prevented from being frequently adjusted by a winding machine.
Specifically, the diameter section is set in advance according to a functional relationship between the unwinding diameter of the hank reel and the hank reel rebound characteristic, and it can be understood that the inside tension and the outside tension of the package bobbin do not occur in the same diameter section when the same winding tension is applied.
Further, the control device controls the winder to unwind the elastic yarn on the package bobbin at the target winding tension.
In this embodiment, the control device first determines a target winding tension of the package bobbin based on a diameter section in which the unwinding diameter of the package bobbin is located, and then controls the winder to unwind the elastic yarn on the package bobbin to the package bobbin at the target winding tension. According to the technical scheme, the winding tension of the package yarn drum is adjusted in real time according to the diameter interval of the unwinding diameter of the skein roll, so that the package yarn drum is not easy to be tight inside and loose outside, the condition that the bobbin winder is unstable when the bobbin winder frequently adjusts the winding tension of the package yarn drum is avoided, and the stability and the reliability of the operation of the bobbin winder are improved.
Fig. 2 is a schematic flow chart of a control method of a bobbin winder according to an embodiment of the present invention, wherein the control method includes:
step S202, acquiring the winding linear speed of a package bobbin, the current winding tension of the package bobbin and the unwinding angular speed of a skein roll;
step S204, determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity;
step S206, determining the target winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll;
in step S208, the elastic yarn on the skein roll is unwound to the package bobbin at the target winding tension.
In this embodiment, before determining the winding tension of the package bobbin according to the diameter section in which the unwinding diameter of the package bobbin is located, the control device needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin. Specifically, since the unwinding diameter of the package bobbin can be calculated from the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin, the control device needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin before determining the winding tension of the package bobbin from the diameter section in which the unwinding diameter of the package bobbin is located.
It is understood that a linear velocity sensor, a tension sensor and an angular velocity sensor are installed on the winder for detecting the winding linear velocity, the current winding tension and the unwinding angular velocity, respectively. Specifically, the control device acquires the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the skein bobbin, by the linear velocity sensor, the tension sensor, and the angular velocity sensor.
Further, the control device calculates the unwinding diameter of the skein roll according to the winding linear speed, the current winding tension and the unwinding angular speed.
In this embodiment, the control device determines the unwinding diameter of the skein roll by comprehensively acquiring the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the skein roll, so that the accuracy of the determined unwinding diameter of the skein roll is improved, and the accuracy of the determined target winding tension of the package bobbin is further ensured.
Fig. 3 is a schematic flow chart of a control method of a bobbin winder according to an embodiment of the present invention, wherein the control method includes:
step S302, acquiring the winding linear velocity of a package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of a skein roll;
step S304, determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity;
step S306, determining a winding tension compensation value according to the relation between the diameter section of the unwinding diameter of the skein roll and the resilience force of the skein roll;
step S308, determining a target winding tension according to the current winding tension and the winding tension compensation value;
in step S310, the elastic yarn on the skein roll is unwound to the package bobbin at the target winding tension.
In this embodiment, the process of determining the winding tension of the package bobbin from the diameter section in which the unwinding diameter of the skein package is located is: the control device determines a winding tension compensation value according to the relationship between the diameter section and the resilience force of the skein roll. In particular, the winding tension compensation value is used to indicate the value of the winding tension that should be adjusted when the unwinding diameter of the skein package is changed.
Further, the control device determines the target winding tension according to the current winding tension and the winding tension compensation value. Specifically, the target winding tension is equal to the sum of the current winding tension and the winding tension compensation value.
In this embodiment, the control device can accurately determine the value of the winding tension to be adjusted when the unwinding diameter of the skein roll changes according to the relationship between the diameter section in which the unwinding diameter of the skein roll is located and the resilience of the skein roll, and determine the target winding tension of the package bobbin according to the value of the winding tension to be adjusted in combination with the current winding tension. Therefore, the control device can determine accurate target winding tension according to the diameter interval where the unwinding diameter of the skein roll is located, and then the bobbin winder is controlled to unwind the elastic wire on the skein roll to the package bobbin by the winding tension corresponding to the diameter interval, so that the condition that the package bobbin is tight inside and loose outside is avoided.
Fig. 4 is a schematic flow chart of a control method of a bobbin winder according to an embodiment of the present invention, wherein the control method includes:
step S402, acquiring the winding linear velocity of a package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of a skein roll;
step S404, determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity;
step S406, determining to generate prompt information for replacing the skein roll under the condition that the unwinding diameter of the skein roll is smaller than a preset threshold value;
step S408, determining the target winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll;
step S410, the elastic yarn on the skein roll is unwound to the package bobbin at the target winding tension.
In this embodiment, after determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity, the control device is further configured to determine to generate a prompt message for replacing the skein roll when the unwinding diameter of the skein roll is smaller than a preset threshold.
Specifically, if the unwinding diameter of the skein roll is smaller than the preset threshold, the skein roll indicates that all the elastic yarns on the skein roll are unwound to the package bobbin, and at the moment, the control device generates a prompt message for replacing the skein roll.
Specifically, after the control device generates the prompt information for replacing the skein roll, the user can replace the skein roll in a manual mode, and the winding machine can also automatically replace the skein roll.
Furthermore, after the hank reel is replaced to a new hank reel, the control device needs to determine the unwinding diameter of the hank reel again, and then determines the target winding tension corresponding to the diameter interval where the unwinding diameter is located, so as to ensure that the elastic thread on the package bobbin cannot be tightened inside or outside when the hank reel is replaced.
In the embodiment, after the unwinding diameter of the skein roll is determined, the control device can judge whether a new skein roll needs to be replaced or not according to the size relation between the unwinding diameter and the preset threshold value, and prompt information is generated, so that a user or a winder can replace the new skein roll in time after the skein roll is unwound, the target winding tension is determined again after the skein roll is replaced, and the winding bobbin can be ensured to be well formed when the skein roll is replaced.
Example two:
fig. 5 shows a schematic block diagram of a control device of a winder according to an embodiment of the present invention, wherein the control device 500 of the winder includes: a processing unit 502 for determining a target winding tension of the package bobbin according to a diameter section in which the unwinding diameter of the skein package is located; the processing unit 502 is also used to unwind the stretch yarn from the hank reel onto a package bobbin at a target winding tension.
In this embodiment, the unwinding diameter of the skein roll is used to indicate the actual diameter of the skein roll during unwinding of the elastomeric filaments on the skein roll onto the package bobbin.
Specifically, in the case where the diameter of the skein roll is the same as the yarn type and the winding linear velocity is constant, the unwinding diameter of the skein roll and the skein rewinding property have a certain functional relationship, and therefore, the processing unit 502 needs to determine the unwinding diameter of the skein roll at different times in the process of unwinding the elastic yarn on the skein roll onto the package bobbin to determine the target winding tension of the package bobbin.
Specifically, since it is determined that the winding tension of the package bobbin does not change much when the unwinding diameter changes little, in order to avoid frequent adjustment of the winding tension of the package bobbin by the winder, in this embodiment, the processing unit 502 is configured to determine the target winding tension of the package bobbin according to the diameter section in which the unwinding diameter of the hank reel is located. Therefore, the condition that the package yarn barrel is not easy to tighten inside and loosen outside is ensured, and the winding tension of the package yarn barrel is prevented from being frequently adjusted by a winding machine.
Specifically, the diameter section is set in advance according to the functional relationship between the unwinding diameter of the hank reel and the hank reel rebound characteristic, and it can be understood that the inside tightness and the outside tightness of the package bobbin are not caused by the same winding tension in the same diameter section.
Further, the processing unit 502 controls the winder to unwind the elastic yarn on the package bobbin at the target winding tension.
In this embodiment, the processing unit 502 first determines a target winding tension of the package bobbin according to a diameter section in which the unwinding diameter of the package bobbin is located, and then controls the winder to unwind the elastic yarn on the package bobbin to the package bobbin at the target winding tension. According to the embodiment of the invention, the winding tension of the package bobbin is adjusted in real time according to the diameter interval of the unwinding diameter of the skein roll, so that the package bobbin is not easy to be tight inside and loose outside, the condition that the bobbin winder is unstable when frequently adjusting the winding tension of the package bobbin is avoided, and the stability and the reliability of the operation of the bobbin winder are improved.
In the above embodiment, the control device 500 of the winder further includes: an acquisition unit 504; before determining the winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll: the obtaining unit 504 is configured to obtain a winding linear velocity of the package bobbin, a current winding tension of the package bobbin, and an unwinding angular velocity of the skein; the processing unit 502 is also used to determine the unwinding diameter of the skein-roll from the winding linear speed, the current winding tension and the unwinding angular speed.
In this embodiment, before determining the winding tension of the package bobbin according to the diameter section in which the unwinding diameter of the package bobbin is located, the obtaining unit 504 is configured to obtain the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin. Specifically, since the processing unit 502 can calculate the unwinding diameter of the package bobbin from the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin, the acquisition unit 504 needs to acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the package bobbin before determining the winding tension of the package bobbin from the diameter section in which the unwinding diameter of the package bobbin is located.
It is understood that a linear velocity sensor, a tension sensor and an angular velocity sensor are installed on the winder for detecting the winding linear velocity, the current winding tension and the unwinding angular velocity, respectively. Specifically, the acquisition unit 504 can acquire the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the skein bobbin by the above-described linear velocity sensor, tension sensor, and angular velocity sensor.
Further, the processing unit 502 calculates the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity.
In this embodiment, the processing unit 502 determines the unwinding diameter of the hank reel by integrating the winding linear velocity of the package bobbin, the current winding tension of the package bobbin, and the unwinding angular velocity of the hank reel, which are acquired by the acquiring unit 504, so that the accuracy of the determined unwinding diameter of the hank reel is improved, and the accuracy of the determined target winding tension of the package bobbin is further ensured.
In the above embodiment, the step of determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the package bobbin is located: the processing unit 502 is specifically configured to determine a winding tension compensation value according to a relationship between the diameter interval and a resilience force of the hank reel; the processing unit 502 is further configured to determine a target winding tension based on the current winding tension and the winding tension compensation value.
In this embodiment, in determining the winding tension of the package bobbin according to the diameter section in which the unwinding diameter of the package bobbin is located: the processing unit 502 first determines a winding tension compensation value based on the relationship between the diameter interval and the resilience of the hank reel. In particular, the winding tension compensation value is used to indicate the value of the winding tension that should be adjusted when the unwinding diameter of the skein package is changed.
Further, the processing unit 502 determines a target winding tension according to the current winding tension and the winding tension compensation value. Specifically, the target winding tension is equal to the sum of the current winding tension and the winding tension compensation value.
In this embodiment, the processing unit 502 is capable of accurately determining the value of the winding tension to be adjusted when the unwinding diameter of the hank reel changes, based on the relationship between the diameter section in which the unwinding diameter of the hank reel is located and the resilience of the hank reel, and determining the target winding tension of the package bobbin based on the value of the winding tension to be adjusted in combination with the current winding tension. In this way, the processing unit 502 can determine an accurate target winding tension according to the diameter section of the unwinding diameter of the skein roll, and further control the bobbin winder to unwind the elastic filament on the skein roll to the package bobbin with the winding tension corresponding to the diameter section, thereby ensuring that the package bobbin does not have the situation of internal tightness and external tightness.
In the above embodiment, after determining the unwinding diameter of the skein roll from the winding linear speed, the current winding tension and the unwinding angular speed: the processing unit 502 is also used to determine the replacement of the skein-roll when the unwinding diameter of the skein-roll is smaller than a preset threshold.
In this embodiment, after determining the unwinding diameter of the skein roll from the winding linear velocity, the current winding tension and the unwinding angular velocity, the processing unit 502 is able to generate a prompt message to replace the skein roll in case the unwinding diameter of the skein roll is smaller than a preset threshold.
Specifically, if the unwinding diameter of the hank reel is smaller than the preset threshold, it indicates that the elastic yarn on the hank reel has been completely unwound to the package bobbin, and at this time, a prompt message for replacing the hank reel needs to be generated by the processing unit 502.
Specifically, after the processing unit 502 generates the prompt information for replacing the skein roll, the user can manually replace the skein roll, and the winder can also automatically replace the skein roll.
Further, after the hank reel is replaced to a new hank reel, the processing unit 502 needs to determine the unwinding diameter of the hank reel again, and further determine the target winding tension corresponding to the diameter section of the unwinding diameter, so as to ensure that the elastic thread on the package bobbin does not have the situation of internal tightness and external tightness when the hank reel is replaced.
In this embodiment, after determining the unwinding diameter of the skein roll, the processing unit 502 can determine whether a new skein roll needs to be replaced according to the size relationship between the unwinding diameter and the preset threshold, and generate the prompt information, so that a user or the winder itself can replace the new skein roll in time after the skein roll is unwound, and further re-determine the target winding tension after the skein roll is replaced, thereby ensuring that the winding bobbin can be formed well when the skein roll is replaced.
Example three:
according to a third embodiment of the invention, a readable storage medium is proposed, on which a program or instructions are stored, which when executed by a processor implement the control method of a winding machine as proposed in the above embodiments. Therefore, the readable storage medium has all the advantages of the control method of the bobbin winder proposed by the above embodiment, and details are not described herein.
Example four:
fig. 6 shows a schematic block diagram of a bobbin winder according to an embodiment of the present invention, wherein the bobbin winder 600 includes the control device 500 of the bobbin winder according to the above-mentioned embodiment of the present invention, and/or the readable storage medium 602 according to the above-mentioned embodiment of the present invention, so that the bobbin winder 600 has all the advantages of the control device 500 of the bobbin winder according to the above-mentioned embodiment of the present invention and/or the readable storage medium 602 according to the above-mentioned embodiment of the present invention, and will not be described again.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A control method of a winder for unwinding elastic yarn from a package bobbin onto a package bobbin, comprising:
determining a target winding tension of the package bobbin according to a diameter section where the unwinding diameter of the skein roll is located;
unwinding the spandex on the package onto the package bobbin at the target winding tension.
2. The method of controlling a winding machine according to claim 1, wherein before determining the winding tension of the package bobbin based on a diameter section in which an unwinding diameter of the package bobbin is located, the method further comprises:
acquiring the winding linear velocity of the package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of the skein coil;
and determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity.
3. The method for controlling a winding machine according to claim 2, wherein the determining the winding tension of the package bobbin based on the diameter section in which the unwinding diameter of the package bobbin is located includes:
determining a winding tension compensation value according to the relation between the diameter interval and the resilience force of the skein roll;
and determining the target winding tension according to the current winding tension and the winding tension compensation value.
4. The control method of a winding machine according to claim 2, wherein after determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity, the control method further comprises:
and determining to generate prompt information for replacing the skein roll under the condition that the unwinding diameter of the skein roll is smaller than a preset threshold value.
5. A control device for a winding machine for unwinding a stretch yarn from a package of hank yarn onto a package bobbin, the control device comprising:
a processing unit for determining a target winding tension of the package bobbin according to a diameter section in which an unwinding diameter of the skein roll is located;
the processing unit is further configured to unwind the stretch yarn from the package onto the package bobbin at the target winding tension.
6. The control device according to claim 5,
the control device further includes: an acquisition unit;
before determining the winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll:
the obtaining unit is used for obtaining the winding linear velocity of the package bobbin, the current winding tension of the package bobbin and the unwinding angular velocity of the skein coil;
the processing unit is further used for determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity.
7. The control device according to claim 6,
the step of determining the winding tension of the package bobbin according to the diameter section of the unwinding diameter of the skein roll comprises the following steps:
the processing unit is specifically used for determining a winding tension compensation value according to the relation between the diameter section and the resilience force of the skein roll;
the processing unit is further configured to determine the target winding tension according to the current winding tension and the winding tension compensation value.
8. The control device according to claim 6,
after determining the unwinding diameter of the skein roll according to the winding linear velocity, the current winding tension and the unwinding angular velocity:
the processing unit is further used for determining to replace the skein roll when the unwinding diameter of the skein roll is smaller than a preset threshold value.
9. A readable storage medium, characterized in that it stores thereon a program or instructions which, when executed by a processor, implement the steps of the control method of a winding machine according to any one of claims 1 to 4.
10. A bobbin winder, comprising:
control device of a winder according to any of claims 5 to 8; and/or
The readable storage medium of claim 9.
CN202210298548.3A 2022-03-25 2022-03-25 Control method and device for winding machine, readable storage medium and winding machine Active CN114538201B (en)

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