CN112390079A - Feeding method of bobbin winder - Google Patents
Feeding method of bobbin winder Download PDFInfo
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- CN112390079A CN112390079A CN202011362423.XA CN202011362423A CN112390079A CN 112390079 A CN112390079 A CN 112390079A CN 202011362423 A CN202011362423 A CN 202011362423A CN 112390079 A CN112390079 A CN 112390079A
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- yarn
- feeding
- cop
- bobbin winder
- working unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/02—Arrangements for removing spent cores or receptacles and replacing by supply packages at paying-out stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/08—Automatic end-finding and material-interconnecting arrangements
- B65H67/086—Preparing supply packages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/04—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by knotting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Abstract
The invention provides a feeding method of a bobbin winder, which realizes automatic feeding of bobbin yarns to the bobbin winder for unwinding. The feeding method of the bobbin winder comprises the steps of firstly detecting whether a winding working position needs to be supplemented with material, and if the winding working position needs to be supplemented with material, conveying a bobbin to the winding working position; when the cop is located at the winding working position, closing the positioning gate and fixing the cop; then, feeding the yarn end in the cop to a yarn sucking position of a working unit of the bobbin winder for the working unit of the bobbin winder to grab and unwind; and if unwinding completion or thread breakage is detected, opening the positioning gate and releasing the empty bobbin. The bobbin yarn feeding device has the advantages that bobbin yarn is automatically fed to the bobbin winder to perform yarn end grabbing and bobbin yarn unwinding, the feeding process is independently controlled, an original bobbin winder control system is not changed during technical improvement, the technical improvement cost is reduced, and the applicability and the universality are improved.
Description
Technical Field
The invention relates to the technical field of spinning methods, in particular to a feeding method of a bobbin winder.
Background
At present, the market share of yarn storehouse formula spooling equipment in China is high, and most textile mills all adopt yarn storehouse formula spooling equipment to carry out spooling, and yarn storehouse formula spooling equipment needs the manual work to drop into the yarn storehouse with the cop, and work load is big, and production efficiency is low. Although the existing automatic winding equipment can realize full automation of the winding process, if the automatic winding equipment is replaced by all the yarn library type winding equipment in a factory, the cost is too high, and the value cannot be created by the original yarn library type winding equipment. Therefore, the winding equipment can be technically improved from the prior yarn warehouse type winding equipment, the automation degree is improved, and the capital investment is low.
In the winding equipment obtained by technical improvement, the cop is positioned at a working position below a working unit of a winding machine, a lower yarn sucking piece needs to suck a yarn end of the cop to keep the yarn in tension, and the cop is sent to a knotter together after an upper yarn sucking piece finds the end on a bobbin. It is desirable to provide a method for feeding the thread end to the thread-sucking position so that it is accurately sucked by the lower thread-sucking member.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the feeding method of the bobbin winder is provided, and bobbin yarns are automatically fed to a working unit of the bobbin winder for unwinding.
In order to solve the technical problem, the embodiment of the invention provides a feeding method of a bobbin winder, which comprises the following steps:
step 10), when the winding working position needs to be supplemented with material, conveying the cop to the winding working position;
step 20), when the cop is detected to be positioned at the winding working position, closing a positioning gate of the winding working position, and fixing the cop;
and step 30) feeding the yarn ends in the cop to the yarn sucking position of the working unit of the bobbin winder for the working unit of the bobbin winder to grab, splice and unwind.
As a further improvement of the embodiment of the invention, the device is applied to a working unit of a winding machine containing a lower yarn sucking part; the step 30) adopts a yarn feeding system, the yarn feeding system comprises a controller and a yarn feeding device, and the yarn feeding device is arranged below a working unit of the bobbin winder;
the step 30) specifically comprises the following steps:
step 302), after receiving a yarn feeding signal, the controller generates an opening signal and sends the opening signal to the yarn feeding device;
and 303) after the yarn feeding device receives the opening signal, moving the yarn head in the cop at the winding working position upwards to the yarn sucking position of the working unit of the bobbin winder, sucking the yarn head into the lower yarn sucking piece, and allowing the working unit of the bobbin winder to grab, splice and unwind.
As a further improvement of the embodiment of the invention, the yarn feeding system further comprises a first detecting device for detecting the action of the lower yarn-absorbing member; the step 302) is preceded by:
step 301) when the first detection device detects the action of the lower yarn suction piece, a yarn feeding signal is generated and sent to the controller.
As a further improvement of the embodiment of the present invention, the first detecting device is configured to detect a downward swinging motion of the lower yarn absorbing member;
said step 301) comprises: when the first detection device detects that the lower yarn suction piece swings downwards, a yarn feeding signal is generated and sent to the controller.
As a further improvement of the embodiment of the invention, the first detection device is used for detecting the movement of a driving element used for driving the lower yarn suction element to move in the working unit of the winder;
said step 301) comprises:
when the first detection device detects that the driving piece rotates clockwise or anticlockwise, a yarn feeding signal is generated and sent to the controller.
As a further improvement of the embodiment of the present invention, the first detecting device is used for detecting the action of the lower yarn absorbing piece swinging upwards;
said step 301) comprises: when the first detection device detects that the lower yarn suction piece swings upwards, a yarn feeding signal is generated and sent to the controller;
the step 302) comprises: after receiving the yarn feeding signal, the controller waits for a first preset delay time, generates an opening signal and sends the opening signal to the yarn feeding device.
As a further improvement of the embodiment of the present invention, the first detection device is an optoelectronic proximity switch, an inductive proximity switch, a mechanical pressure switch, a pressure sensor or a magnetic sensor.
As a further improvement of the embodiment of the invention, the yarn feeding device comprises a first blowing member located below the cop;
the step 303) specifically includes:
and starting the first blowing part, blowing the yarn head in the cop upwards to the yarn sucking position of the working unit of the bobbin winder, sucking the yarn head into the lower yarn sucking part, and allowing the working unit of the bobbin winder to grab, splice and unwind.
As a further improvement of the embodiment of the invention, the yarn feeding device further comprises a pulling member, the pulling member is positioned between the working unit of the winder and the cop; the traction piece comprises a body, and the body comprises a threading cavity penetrating through the body;
the step 303) specifically includes:
and starting the first blowing part, blowing the yarn head in the cop out of the yarn pipe opening upwards by the first blowing part, enabling the yarn head to enter the threading cavity of the traction part, enabling the yarn head to continuously penetrate out of the threading cavity upwards to reach the yarn suction position of the working unit of the bobbin winder, and sucking the yarn head into the lower yarn suction part for the working unit of the bobbin winder to grab, splice and unwind.
As a further improvement of the embodiment of the invention, the yarn feeding device further comprises a pulling member and a second blowing member, the pulling member being located between the winder work unit and the cop; the traction piece comprises a body, and the body comprises a threading cavity penetrating through the body; the body is provided with an air inlet and an air outlet, the air inlet is communicated with the air outlet, and the air outlet is communicated with the threading cavity; the second air blowing piece is arranged at the air inlet;
the step 303) specifically includes:
opening a first blowing piece and a second blowing piece, wherein the first blowing piece blows the yarn end in the cop out of the opening of the yarn pipe upwards and enters a threading cavity of the traction piece;
and the second air blowing part blows the yarn end in the threading cavity upwards out of the threading cavity to reach the yarn sucking position of the working unit of the bobbin winder, and the yarn end is sucked into the lower yarn sucking part for the working unit of the bobbin winder to grab, splice and unwind.
As a further improvement of the embodiment of the present invention, the air outlet is located on the inner wall of the lower portion of the threading cavity, and the air outlet direction of the air outlet is inclined upward.
As a further improvement of the embodiment of the invention, the bottom opening of the threading cavity is trumpet-shaped.
As a further development of the embodiment of the invention, the yarn feeding system further comprises a second detection device; the step 30) further comprises:
step 304), when the second detection device detects that the yarn end is positioned at the yarn suction position of the working unit of the bobbin winder, generating a feeding stopping signal and sending the feeding stopping signal to the controller;
the controller generates a closing signal after receiving the feeding stopping signal and sends the closing signal to the feeding device;
and stopping the operation of the yarn feeding device after receiving the closing signal.
As a further improvement of the embodiment of the present invention, the step 30) further includes:
step 304) the controller waits for a second preset delay time after receiving the yarn feeding signal, generates a closing signal and sends the closing signal to the yarn feeding device;
and stopping the operation of the yarn feeding device after receiving the closing signal.
As a further improvement of the embodiment of the present invention, the method further includes:
when the waiting position is detected to need material supplement, opening a material supplement gate, and conveying the cop to the waiting position;
when detecting that the cop is located at the waiting position, fixing the cop;
the step 10) comprises: and when the winding working position is detected to need material supplement, the cop is conveyed from the waiting position to the winding working position.
As a further improvement of the embodiment of the present invention, the method further includes:
step 40) if the unwinding is detected to be finished, opening a positioning gate of a winding working position, and releasing an empty bobbin; if a wire break is detected, repeat step 30).
Compared with the prior art, the technical scheme of the invention has the following beneficial effects: the embodiment of the invention provides a feeding method of a bobbin winder, which is used for automatically feeding a cop to the bobbin winder for unwinding. The feeding method of the bobbin winder comprises the steps of firstly detecting whether a winding working position needs to be supplemented with material, and if the winding working position needs to be supplemented with material, conveying a bobbin to the winding working position; when the cop is located at the winding working position, closing the positioning gate and fixing the cop; then, feeding the yarn ends in the cop to the yarn sucking position of the working unit of the bobbin winder for the working unit of the bobbin winder to grab, splice and unwind; if the unwinding is detected to be finished, opening a positioning gate, and releasing the empty bobbin; and if the yarn breakage is detected, feeding the yarn end in the cop to the yarn suction position of the working unit of the bobbin winder for the working unit of the bobbin winder to repeatedly grab, splice and unwind. The method realizes automatic feeding of the cop to the bobbin winder for yarn end grabbing and bobbin unwinding, independently controls the feeding process, does not change the control system of the original bobbin winder during technical improvement, reduces the technical improvement cost, and improves the applicability and the universality. The feeding process is independently controlled, an original bobbin winder control system does not need to be changed during technical improvement, and the technical improvement cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a working unit of a winder to which a method for feeding a winder according to an embodiment of the present invention is applied;
FIG. 2 is a schematic view of the working state of a working unit of a winder in the application of the feeding method of the winder according to the preferred embodiment of the invention;
FIG. 3 is a schematic structural diagram of a traction member in the feeding method of the bobbin winder according to the preferred embodiment of the invention.
In the figure, a working unit 1 of a bobbin winder, a lower yarn sucking part 11, a positioning gate 12, a material supplementing gate 13, a cop 2, a first air blowing part 31, a traction part 32, a body 321, a threading cavity 3211, an air inlet 3212, an air outlet 3213 and a second detection device 33.
Detailed Description
The technical scheme of the invention is explained in detail with reference to the attached drawings.
The embodiment of the invention provides a feeding method of a bobbin winder, which comprises the following steps:
step 10), when the winding working position needs to be supplemented with material, conveying the cop to the winding working position;
step 20), when the cop is detected to be positioned at the winding working position, closing the positioning gate 12 of the winding working position, and fixing the cop;
and step 30) feeding the yarn ends in the cop to the yarn sucking position of the working unit of the bobbin winder for the working unit of the bobbin winder to grab, splice and unwind.
The feeding method of the bobbin winder comprises the steps of firstly detecting whether a winding working position needs to be supplemented with material, and if the winding working position needs to be supplemented with material, conveying a bobbin to the winding working position; when the cop is at the winding working position, closing the positioning gate 12 and fixing the cop; then, feeding the yarn ends in the cop to the yarn sucking position of the working unit of the bobbin winder for the working unit of the bobbin winder to grab, splice and unwind; if the unwinding is detected to be finished, opening the positioning gate 12 and releasing the empty bobbin; and if the yarn breakage is detected, feeding the yarn end in the cop to the yarn suction position of the working unit of the bobbin winder, and enabling the working unit of the bobbin winder to repeatedly grab, splice and unwind. The method realizes automatic feeding of the cop to the bobbin winder for yarn end grabbing and bobbin unwinding, independently controls the feeding process, does not change the control system of the original bobbin winder during technical improvement, reduces the technical improvement cost, and improves the applicability and the universality.
Preferably, the method of the present embodiment further includes:
when the waiting position is detected to need material supplement, the material supplement gate 13 is opened, and the cop is conveyed to the waiting position;
and when the cop is detected to be positioned at the waiting position, fixing the cop.
Step 10) comprises: and when the winding working position is detected to need material supplement, the cop is conveyed from the waiting position to the winding working position.
In the method, the cop is firstly conveyed to the waiting position, and when the winding working position needs to be supplemented, the cop in the waiting position is supplemented to the winding working position. The optimized embodiment is used for storing the cop, replenishing the cop for the winding work position in time, realizing continuous production, reducing waiting, and avoiding the time waste and the yield reduction.
In step 20) of this embodiment, when the cop is detected to be in the winding station, the positioning shutter 12 of the winding station is closed to fix the cop. After the cop reaches the working position of reeling, fix the cop using the positioning gate 12. Therefore, when unwinding, the cop is fixed in position and does not shake or shift due to the traction of the yarn, so that the unwinding is smooth.
Preferably, the feeding method of the bobbin winder according to the embodiment of the present invention is applied to the working unit 1 of the bobbin winder including the lower yarn sucking member 11, as shown in fig. 1. And step 30) adopting a yarn feeding system, wherein the yarn feeding system comprises a first detection device, a controller and a yarn feeding device, the first detection device is arranged on the working unit 1 of the bobbin winder, and the yarn feeding device is arranged below the working unit 1 of the bobbin winder.
Step 30) comprises the following steps:
step 302), after receiving a yarn feeding signal, the controller generates an opening signal and sends the opening signal to the yarn feeding device;
and step 303) after the yarn feeding device receives the opening signal, the yarn head in the cop 2 at the winding working position is moved upwards to the yarn sucking position of the working unit 1 of the bobbin winder, and the yarn head is sucked into the lower yarn sucking part 11 for the working unit of the bobbin winder to grab, splice and unwind.
In the method of the embodiment, the controller receives the yarn feeding signal, namely, the lower yarn sucking part 11 is ready to suck the yarn end, generates the starting signal and sends the starting signal to the yarn feeding device, the yarn feeding device is triggered to move the yarn end of the cop 2 upwards to the yarn sucking position, and the yarn feeding device is closely matched with the lower yarn sucking part 11, so that the yarn end is successfully sucked by the lower yarn sucking part 11, the automatic yarn feeding is realized, the improvement of a control system is not needed, the technical improvement cost is reduced, and the independent maintenance is facilitated.
The feeding signal, i.e. the signal that the lower suction member 11 is ready to suck the thread end, can be generated in various ways. Preferably, the yarn feeding system further comprises first detection means for detecting the action of the lower yarn absorbing member (11). Step 302) also comprises the following steps:
step 301) when the first detection device detects the action of the lower yarn suction piece (11), a yarn feeding signal is generated and sent to the controller.
In the embodiment, the first detection device is arranged to detect the action of the lower yarn sucking part 11, namely the action of the lower yarn sucking part 11 for preparing to suck the yarn end, so that the yarn feeding signal is automatically generated, the automation degree of the existing equipment is improved, the change is small, and the investment is reduced.
Preferably, in step 301), the first detecting device detects the action of the lower yarn absorbing member 11, and various methods can be adopted, specifically as follows:
in the first method, the first detection device detects the downward swinging motion of the lower yarn-absorbing member 11, and when the downward swinging motion of the lower yarn-absorbing member 11 is detected, a yarn feeding signal is generated and sent to the controller.
According to the method, when the lower yarn sucking part 11 is detected to swing downwards, namely the lower yarn sucking part 11 moves towards the yarn sucking position, the yarn feeding device is triggered to feed yarns, so that the yarn feeding device and the lower yarn sucking part 11 are closely matched, yarn ends are successfully sucked by the lower yarn sucking part 11, and automatic yarn feeding is realized. The first detection device can be arranged on the shell of the working unit of the bobbin winder, the working unit of the bobbin winder does not need to be disassembled, and the detection device is convenient to install and maintain.
In the second method, the first detection device detects the upward swinging action of the lower yarn sucking part 11, and when the upward swinging action of the lower yarn sucking part 11 is detected, a yarn feeding signal is generated and sent to the controller; after receiving the yarn feeding signal, the controller waits for a first preset delay time to generate a starting signal.
When the lower yarn sucking part 11 does not successfully suck the yarn head, the control system of the working unit 1 of the bobbin winder can control the lower yarn sucking part 11 to swing upwards, and the lower yarn sucking part 11 swings downwards again after the preset time. In the method, a first preset delay time is set as the preset time, the upward swing of the lower yarn sucking part 11 is detected, and after the controller waits for the first preset delay time, namely when the lower yarn sucking part 11 swings downward, the yarn feeding device is triggered to feed yarn, so that the yarn feeding device is closely matched with the lower yarn sucking part 11, the yarn end is successfully sucked by the lower yarn sucking part 11, and the automatic yarn feeding is realized. In the method, the first detection device can be arranged on the shell of the working unit 1 of the bobbin winder, the working unit of the bobbin winder does not need to be disassembled, and the method is convenient to install and maintain.
According to the third method, the first detection device detects the movement of a driving piece used for driving the lower yarn sucking piece 11 to act in the working unit 1 of the bobbin winder, generates a yarn feeding signal when detecting that the driving piece rotates clockwise or anticlockwise, and sends the yarn feeding signal to the controller. The driving member may be a pulley, a timing belt, a balance wheel, or other members.
In the method, a first detection device is arranged inside a working unit of the winding machine, and the working unit of the winding machine needs to be disassembled. However, the motion of the lower yarn absorbing member 11 is detected by detecting the motion of a pulley, a synchronous belt or a balance wheel which drives the lower yarn absorbing member 11 to move, and the detection is more direct and accurate. The belt wheel, the synchronous belt or the balance wheel are original equipment in the working unit of the winding machine, and a new driving piece is not required to be added, so that the original equipment is fully utilized.
The first detection device can automatically detect the action of the lower yarn absorbing piece 11 and can also be matched with the sensing piece to detect the action of the lower yarn absorbing piece 11. Preferably, the first detection device is an optoelectronic proximity switch, an inductive proximity switch, a mechanical pressure switch, a pressure sensor or a magnetic sensor. Preferably, the sensing element is a sensing bracket, a sensing label, a reflecting plate, a magnet, a pull rope or a metal element which is inherent on the working unit 1 of the winding machine. The controller in this embodiment is an existing device. The controller is a PLC controller, a PAC controller or an IPC controller, for example, a controller of the Huichuan brand with the model number of PLC H3U-1616MT-XP is adopted.
Preferably, the yarn feeding device comprises a first blowing member 31, as shown in fig. 2, the first blowing member 31 being located below the cop 2.
Step 303) specifically includes:
the first blowing part 31 is opened to blow the yarn end in the cop 2 upwards to the yarn sucking position of the working unit 1 of the bobbin winder, and the yarn end is sucked into the lower yarn sucking part 11 for the working unit of the bobbin winder to grab, splice and unwind.
In the method, the first blowing piece 31 is controlled to blow by detecting the action of the lower yarn sucking piece 11, so that the yarn end is accurately and timely fed to the yarn sucking position, and automatic yarn feeding is realized. The blowing mode is adopted for feeding, and the structure is simple.
Preferably, the yarn feeding device comprises a first blowing member 31 and a pulling member 32, the first blowing member 31 being located below the cop 2 as shown in fig. 2. The drawing member 32 is located between the working unit 1 of the winder and the cop 2. As shown in fig. 3, the pulling member 32 includes a body 321, and the body 321 includes a threading lumen 3211 extending therethrough.
Step 303) specifically includes:
the first blowing part 31 is opened, the first blowing part 31 blows the yarn end in the cop upwards out of the yarn pipe opening and enters the threading cavity 3211 of the traction part 32, the yarn end continuously penetrates out of the threading cavity 3211 upwards and reaches the yarn sucking position of the working unit 1 of the bobbin winder, and the yarn end is sucked into the lower yarn sucking part 11 for the working unit of the bobbin winder to grab, splice and unwind.
In the method, the traction piece 32 is arranged between the cop 2 and the working unit 1 of the winder, the bottom opening of the threading cavity 3211 is opposite to the small-end pipe opening of the cop 2, and the top opening of the threading cavity 3211 is opposite to the yarn sucking position of the working unit 1 of the winder. A pulling member 32 is provided and the threading cavity 3211 serves as a pulling channel for the thread end. Under the action of the first blowing member 31, the end of the yarn is blown out of the yarn nozzle and moves upwards in the threading cavity 3211, so that the end of the yarn is directionally conveyed from the cop to the yarn sucking position of the working unit 1 of the bobbin winder, and further reliable and accurate yarn feeding is ensured. Especially, when the distance between the top end of the bobbin and the yarn sucking position of the working unit 1 of the bobbin winder is far, the moving direction of the yarn end can be limited by the traction piece 32, so that the yarn end can reach the yarn sucking position.
Preferably, the yarn feeding device comprises a first blowing member 31, a pulling member 32 and a second blowing member, the first blowing member 31 being located below the cop 2. The drawing member 32 is located between the working unit 1 of the winder and the cop 2. As shown in fig. 3, the pulling member 32 includes a body 321, and the body 321 includes a threading lumen 3211 extending therethrough. The body 321 is provided with an air inlet 3212 and an air outlet 3213, the air inlet 3212 is communicated with the air outlet 3213, and the air outlet 3213 is communicated with the threading cavity 3211. The second air blowing member is provided at the air inlet 3212.
The step 303) specifically includes:
the first blowing piece 31 and the second blowing piece are opened, the first blowing piece 31 blows the yarn end in the cop 2 upwards out of the yarn tube opening and enters the threading cavity 3211 of the traction piece 32;
the second air blowing part blows the yarn end in the threading cavity upwards out of the threading cavity to the yarn sucking position of the working unit 1 of the bobbin winder, and the yarn end is sucked into the lower yarn sucking part 11 for the working unit of the bobbin winder to grab, splice and unwind.
In the method, the traction piece 32 is arranged between the cop 2 and the working unit 1 of the winder, the bottom opening of the threading cavity 3211 is opposite to the small-end pipe opening of the cop 2, and the top opening of the threading cavity 3211 is opposite to the yarn sucking position of the working unit 1 of the winder. After receiving the opening signal of the controller, the first blowing member 31 and the second blowing member may blow simultaneously or may blow successively. The first blowing member 31 blows the end of the yarn in the cop 2 upwards out of the mouth of the yarn into the threading cavity 3211 of the drawing member 32. The second blowing member introduces airflow from the air inlet 3212, the airflow flows into the threading cavity 3211 through the air outlet 3213, the airflow drives the yarn end located at the bottom opening of the threading cavity 3211 to move upward from the threading cavity 3211, and if the reserved length of the yarn end is short, the yarn end is looped off from the cop under the action of the airflow, and finally extends out from the top opening of the threading cavity 3211 to reach the yarn sucking position of the working unit 1 of the bobbin winder.
In the method of the embodiment, a traction piece 32 is arranged, a threading cavity 3211 is used as a traction channel of a yarn end, an air outlet 3213 and an air inlet 3212 which are communicated with the threading cavity 3211 are used as power channels to provide power, so that the yarn end moves upwards and is looped off in the threading cavity 3211, the yarn end is directionally and lengthily conveyed to a yarn sucking position of a working unit 1 of a bobbin winder, and reliable and accurate yarn feeding is further ensured.
Further, the air outlet 3213 is located on the lower inner wall of the threading cavity 3211, and the air outlet direction of the air outlet 3213 is inclined upward. The air current blows in threading chamber 3211 from the lower part slope of threading chamber 3211 upwards, produces the ascending thrust of slope to the yarn end, promotes the yarn end and moves upwards in threading chamber 3211, can effectively prevent that the yarn end from dropping, improves yarn end and takes off the circle effect, guarantees that the yarn end can accurately reach and inhale the yarn position, is inhaled by lower yarn-absorbing member 11, reliably accomplishes the yarn feeding.
Further, the bottom opening of threading chamber 3211 is trumpet-shaped. The trumpet-shaped opening plays a good role in guiding and facilitating the yarn end to enter the threading cavity 3211.
Preferably, the step 30) further comprises:
step 304) the controller waits for a second preset delay time after receiving the yarn feeding signal, generates a closing signal and sends the closing signal to the yarn feeding device; and stopping the operation of the yarn feeding device after receiving the closing signal.
The controller waits for a second preset delay time after receiving the yarn feeding signal, namely the lower yarn suction part 11 successfully sucks yarn, and the yarn feeding device is controlled to stop working in time, so that energy is saved, and the phenomenon that the subsequent cop reaches a working position due to the working of the yarn feeding device is avoided.
Preferably, the yarn feeding system further comprises a second detecting device 33, the second detecting device 33 being connected to the controller. The step 30) further comprises:
step 304), when the second detection device 33 detects that the yarn end is positioned at the yarn suction position of the working unit 1 of the bobbin winder, generating a feeding stopping signal and sending the feeding stopping signal to the controller; the controller generates a closing signal after receiving the feeding stopping signal and sends the closing signal to the feeding device; and stopping the operation of the yarn feeding device after receiving the closing signal. Wherein the second detection device 33 is a yarn sensor.
When the lower yarn suction piece 11 does not act, namely the lower yarn suction piece 11 successfully sucks yarn, the yarn feeding device is controlled to stop working in time, energy is saved, and the phenomenon that the subsequent cop reaches a working position due to the working of the yarn feeding device is avoided.
Preferably, the method of this embodiment further includes:
step 40), if the unwinding is detected to be finished, opening the positioning gate 12 of the winding working position, and releasing the empty bobbin; if a wire break is detected, repeat step 30).
Specifically, if a detection signal sent by a sensor for detecting yarn of the working unit 1 of the bobbin winder is not received and the upper part of the working unit of the bobbin winder normally works, the unwinding is finished, the positioning gate 12 of the working position of the bobbin winder is opened, and the empty bobbin is released. If the detection signal sent by the sensor for detecting the yarn of the working unit 1 of the bobbin winder is not received and the upper part of the working unit of the bobbin winder does not work normally, the yarn is broken, the control system of the working unit of the bobbin winder can control the lower yarn sucking piece 11 to suck the yarn, step 30) is executed, and the yarn end in the cop is fed to the yarn sucking position of the working unit of the bobbin winder for the lower yarn sucking piece 11 to suck.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (16)
1. A feeding method of a bobbin winder is characterized by comprising the following steps:
step 10), when the winding working position needs to be supplemented with material, conveying the cop to the winding working position;
step 20), when the cop is detected to be positioned at the winding working position, closing a positioning gate (12) of the winding working position, and fixing the cop;
and step 30) feeding the yarn ends in the cop to the yarn sucking position of the working unit of the bobbin winder for the working unit of the bobbin winder to grab, splice and unwind.
2. The spooling method of claim 1, characterized in that, applied to a spooling working unit (1) containing a lower suction member (11); the step 30) adopts a yarn feeding system, the yarn feeding system comprises a controller and a yarn feeding device, and the yarn feeding device is arranged below a working unit (1) of the bobbin winder;
the step 30) specifically comprises the following steps:
step 302), after receiving a yarn feeding signal, the controller generates an opening signal and sends the opening signal to the yarn feeding device;
and step 303) after the yarn feeding device receives the opening signal, the yarn end in the cop (2) at the winding working position is moved upwards to the yarn sucking position of the working unit (1) of the bobbin winder, and the yarn end is sucked into the lower yarn sucking piece (11) and is used for the working unit (1) of the bobbin winder to grab, splice and unwind.
3. The winding machine feeding method according to claim 2, characterized in that the yarn feeding system further comprises a first detecting device for detecting the action of the lower suction member (11); the step 302) is preceded by:
step 301) when the first detection device detects the action of the lower yarn suction piece (11), a yarn feeding signal is generated and sent to the controller.
4. -spooling machine feeding method as claimed in claim 3, characterized in that the first detection means are adapted to detect the action of the lower suction piece (11) swinging downwards;
said step 301) comprises: when the first detection device detects that the lower yarn suction piece (11) swings downwards, a yarn feeding signal is generated and sent to the controller.
5. The spooling method of claim 3, characterized in that the first detection device is used for detecting the movement of a driving member in the spooling machine working unit (1) for driving the lower suction member (11) to move;
said step 301) comprises:
when the first detection device detects that the driving piece rotates clockwise or anticlockwise, a yarn feeding signal is generated and sent to the controller.
6. The winding machine feeding method according to claim 3, characterized in that the first detecting means are adapted to detect the upward swinging movement of the lower thread-sucking member (11);
said step 301) comprises: when the first detection device detects that the lower yarn suction piece (11) swings upwards, a yarn feeding signal is generated and sent to the controller;
the step 302) comprises: after receiving the yarn feeding signal, the controller waits for a first preset delay time, generates an opening signal and sends the opening signal to the yarn feeding device.
7. The winding machine feeding method according to any one of claims 3 to 6, wherein the first detection device is a photoelectric proximity switch, an inductive proximity switch, a mechanical pressure switch, a pressure sensor or a magnetic sensor.
8. Spooling machine feeding method as claimed in claim 2, characterized in that the yarn feeding device comprises a first blowing member (31), the first blowing member (31) being located below the cop (2);
the step 303) specifically includes:
and starting the first blowing part (31), blowing the yarn head in the cop (2) upwards to the yarn suction position of the working unit (1) of the bobbin winder, sucking the yarn head into the lower yarn suction part (11) for the working unit of the bobbin winder to grab, splice and unwind.
9. The spooling machine feeding method as claimed in claim 8, characterized in that the yarn feeding device further comprises a pulling member (32), the pulling member (32) being located between the spooling machine working unit (1) and the cop (2); the traction piece (32) comprises a body (321), and the body (321) comprises a threading cavity (3211) penetrating through the body;
the step 303) specifically includes:
and (3) opening the first blowing piece (31), blowing the yarn end in the cop upwards out of the yarn pipe opening by the first blowing piece (31), entering the threading cavity (3211) of the traction piece (32), continuously enabling the yarn end to upwards penetrate out of the threading cavity (3211) to reach the yarn suction position of the working unit (1) of the bobbin winder, and sucking the yarn end into the lower yarn suction piece (11) for the working unit of the bobbin winder to grab, splice and unwind.
10. The spooling method of claim 8, characterized in that the yarn feeding device further comprises a pulling element (32) and a second blowing element, the pulling element (32) being located between the spooling working unit (1) and the cop (2); the traction piece (32) comprises a body (321), and the body (321) comprises a threading cavity (3211) penetrating through the body; the body (321) is provided with an air inlet (3212) and an air outlet (3213), the air inlet (3212) is communicated with the air outlet (3213), and the air outlet (3213) is communicated with the threading cavity (3211); the second air blowing piece is arranged at the air inlet (3212);
the step 303) specifically includes:
opening a first blowing piece (31) and a second blowing piece, wherein the first blowing piece (31) blows the yarn end in the cop upwards out of the yarn pipe opening and enters a threading cavity (3211) of a traction piece (32);
the second air blowing piece blows the yarn end in the threading cavity (3211) upwards out of the threading cavity (3211) to the yarn sucking position of the working unit (1) of the bobbin winder, and the yarn end is sucked into the lower yarn sucking piece (11) for the working unit of the bobbin winder to grab, splice and unwind.
11. The winding machine feeding method according to claim 10, characterized in that the air outlet (3213) is located on the lower inner wall of the threading cavity (3211), and the air outlet direction of the air outlet (3213) is inclined upward.
12. The winding machine charging method according to claim 9 or 10, characterized in that the bottom opening of the threading cavity (3211) is trumpet-shaped.
13. Spooling machine feeding method as claimed in claim 2, characterized in that the yarn feeding system further comprises a second detection device (33); the step 30) further comprises:
step 304), when the second detection device (33) detects that the yarn end is positioned at the yarn suction position of the working unit (1) of the bobbin winder, generating a feeding stopping signal and sending the feeding stopping signal to the controller;
the controller generates a closing signal after receiving the feeding stopping signal and sends the closing signal to the feeding device;
and stopping the operation of the yarn feeding device after receiving the closing signal.
14. The spooling machine feeding method of claim 2, wherein the step 30) further comprises:
step 304) the controller waits for a second preset delay time after receiving the yarn feeding signal, generates a closing signal and sends the closing signal to the yarn feeding device;
and stopping the operation of the yarn feeding device after receiving the closing signal.
15. The winder feeding method according to claim 1, further comprising:
when the waiting position is detected to need material supplement, a material supplement gate (13) is opened, and the cop is conveyed to the waiting position;
when detecting that the cop is located at the waiting position, fixing the cop;
the step 10) comprises: and when the winding working position is detected to need material supplement, the cop is conveyed from the waiting position to the winding working position.
16. The winder feeding method according to claim 1, further comprising:
step 40), if the unwinding is detected to be finished, opening a positioning gate (12) of a winding working position, and releasing an empty bobbin; if a wire break is detected, repeat step 30).
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| CN202011362423.XA CN112390079B (en) | 2020-11-27 | 2020-11-27 | Feeding method of cone winder |
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| CN202011362423.XA CN112390079B (en) | 2020-11-27 | 2020-11-27 | Feeding method of cone winder |
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