CN115258822B - Single spindle winding length counting method of winder and automatic winder - Google Patents
Single spindle winding length counting method of winder and automatic winder Download PDFInfo
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- CN115258822B CN115258822B CN202210884947.8A CN202210884947A CN115258822B CN 115258822 B CN115258822 B CN 115258822B CN 202210884947 A CN202210884947 A CN 202210884947A CN 115258822 B CN115258822 B CN 115258822B
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- single spindle
- winder
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- yarn
- bobbin
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
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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
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
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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
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
- B65H54/553—Both-ends supporting arrangements
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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
- B65H61/00—Applications of devices for metering predetermined lengths of running material
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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 single spindle winding length counting method of a winder and an automatic winder, wherein the single spindle of the winder comprises a cone yarn winding device, a single spindle controller, a groove cone speed measuring sensor and a cone yarn speed measuring sensor, and is characterized in that: the winding length counting method comprises the following steps: when the single spindle of the winder is normally wound, calculating the winding length of the cone yarn in the normal winding process of the single spindle of the winder according to the detected groove cone rotating speed; the instant value of the transmission ratio i of the single spindle controller storage tank drum and the cone yarn at the moment when the single spindle of the winder stops winding; in the single spindle restarting stage of the winder, the groove drum rotating speed for length counting in the single spindle restarting stage of the winder is calculated according to the instant numerical value of the transmission ratio i and the bobbin rotating speed measured in the single spindle restarting stage of the winder, and the sum of the winding length of the drum yarn and the winding length of the drum yarn in the normal winding process is calculated to be used as the actual total winding length of the drum yarn. The winding length counting method is simple in structure, low in manufacturing cost, reasonable and accurate in winding length counting method, and the length counting error is less than 0.8%.
Description
Technical Field
The invention belongs to the technical field of textile machinery manufacturing, relates to improvement of a winding machine and a production method thereof, and in particular relates to a single spindle winding length counting method of the winding machine and an automatic winding machine.
Background
In the existing winder, most of the cone yarn winding is driven by the groove drum by friction, the slippage is usually small, the cone yarn has conicity and the diameter is always changed, and the groove drum is cylindrical and the diameter is fixed, so the cone yarn winding length is generally calculated according to the revolution of the groove drum. However, during the start-up phase of winding, the slippage between the bobbin and the yarn is very large, not actually every revolution of the bobbin brings about a corresponding yarn winding length, and an error occurs once every start-up, especially when the yarn diameter is large. The number of single spindle starts is different or even very different due to the difference of the number of cutting defects among cops or other reasons, and the difference between the actual winding length and the calculated winding length of the yarns is large.
The condition that the bobbin yarn is full and the bobbin falls down is that the calculated winding length reaches the set length, and the maximum error between the calculated length and the actual length can reach about 2%, so that the requirement of bobbin yarn packaging or warping is difficult to meet. In actual production, the yarn weight deviation of only a few single spindles in one row of yarns is large, and the unfixed yarn in the next row of yarns occurs on the same single spindle, and the yarn with smaller weight generally occurs on the single spindle with larger splicing times. In order to solve the problem of large winding length counting error in the prior art, a length counting method for replacing a length counting method according to the revolution of a grooved drum by installing a precise length counting sensor in a single spindle yarn path is currently available, and the length counting error can reach below 0.5%. However, the cost of the precision length measuring sensor is very high, the price of one precision length measuring sensor is close to thousand yuan, and each single spindle is required to be provided with one precision length measuring sensor, usually 72 precision length measuring sensors are required to be provided for one automatic winder, each automatic winder needs to take more than 5 ten thousand yuan, the cost is increased, and the user is difficult to bear, so that the single spindle of the winder provided with the precision length measuring sensor is difficult to popularize.
How to design a single spindle winding length counting device and winding length counting method of a winder, the winding length counting device is simple in structure, low in manufacturing cost, reasonable and accurate in winding length counting method, and the length counting error is less than 0.8%, and the technical problem to be solved in the field is urgent.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a single spindle winding length counting method of a winding machine and an automatic winding machine, which have the advantages of simple structure, lower manufacturing cost, reasonable and accurate winding length counting method and length counting error of less than 0.8 percent.
The invention aims at realizing the following technical scheme:
the utility model provides a cone winder single spindle winding length metering method, cone winder single spindle includes section of thick bamboo yarn coiling device, single spindle controller, groove section of thick bamboo speed sensor and section of thick bamboo yarn speed sensor, section of thick bamboo yarn coiling device includes bobbin, section of thick bamboo yarn support arm, groove section of thick bamboo and groove section of thick bamboo motor, groove section of thick bamboo speed sensor is used for detecting groove section of thick bamboo rotational speed, section of thick bamboo yarn speed sensor is used for detecting the bobbin rotational speed, groove section of thick bamboo speed sensor and section of thick bamboo yarn speed sensor respectively with single spindle controller is connected, single spindle controller is connected with central processing unit, its characterized in that, cone winder single spindle winding length metering method includes the following steps:
step 1: when the single spindle of the winder is normally wound, calculating the winding length of the cone yarn in the normal winding process of the single spindle of the winder according to the rotating speed of the cone detected by the cone speed sensor; meanwhile, the single spindle controller controls the grooved drum speed measuring sensor to measure the grooved drum rotating speed N1, and controls the bobbin yarn speed measuring sensor to measure the bobbin rotating speed N2, so that the transmission ratio i of the grooved drum to the bobbin yarn is calculated in real time, and the calculation formula of the transmission ratio i is as follows: i=n1/N2;
step 2: at the moment that a single spindle of a winder stops winding, the single spindle controller stores the instant numerical value of the transmission ratio i;
step 3: in the single spindle restarting stage of the winder, the single spindle controller controls a bobbin speed measuring sensor to measure the bobbin rotating speed N2, the instant numerical value of the transmission ratio i in the step 2 and the bobbin rotating speed N2 measured in the single spindle restarting stage of the winder are brought into a calculation formula of the transmission ratio i, the bobbin rotating speed for counting the length in the single spindle restarting stage of the winder is calculated, and the bobbin winding length in the single spindle restarting stage of the winder is calculated by using the bobbin rotating speed for counting the length;
step 4: after the restarting stage of the single spindle of the winder in the step 3 is finished, accelerating to a normal winding speed, and returning to the length counting mode when the single spindle of the winder in the step 1 is normally wound;
step 5: in the winding process of the single spindle of the winder, the single spindle controller takes the sum of the measured winding length of the winding yarn in the normal winding process of the single spindle of the winder and the winding length of the winding yarn in the restarting stage of the single spindle of the winder as the actual winding total length of the winding yarn, and sends the sum to the central processing unit to be compared with a winding total length set value of the winding yarn in the central processing unit, and when the actual winding total length of the winding yarn is consistent with the winding total length set value of the winding yarn, the central processing unit controls the winding device of the winding yarn to stop winding and wait for the doffing trolley to doff through the single spindle controller.
The improvement of the technical scheme is as follows: and in the step 3, the time of the single spindle restarting stage of the winder is 6-12 seconds.
Further improvement of the technical scheme is as follows: when the single spindle of the winder is started for the first time on an empty bobbin, the winding length of the bobbin yarn in the normal winding process of the single spindle of the winder is calculated according to the rotating speed of the bobbin detected by the bobbin speed measuring sensor.
Further improvement of the technical scheme is as follows: and in the single spindle restarting stage of the winder, if the transmission ratio i of the grooved drum stored by the single spindle controller to the cone yarn is lost, calculating the cone yarn winding length in the single spindle restarting stage of the winder according to the groove drum rotating speed measured by the groove drum speed measuring sensor.
An automatic winder comprises a single spindle and a central controller, and is characterized in that the single spindle adopts the single spindle of the winder in the single spindle winding length counting method of the winder.
Further improvement of the technical scheme is as follows: the bobbin yarn winding device comprises a tension device, a splicer, a yarn cleaner, a tension sensor, a bobbin yarn supporting arm, a bobbin, a groove drum and a groove drum motor, wherein two ends of the bobbin are respectively provided with a small end wheel and a large end wheel.
Further improvement of the technical scheme is as follows: the cone yarn speed measuring sensor is arranged at one end, close to the big end wheel or the small end wheel of the bobbin, in the cone yarn support arm; the grooved drum speed measuring sensor is arranged in the grooved drum motor.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the length counting method of the single spindle winding length counting method of the bobbin winder is reasonable, the length counting error caused by slipping of bobbin yarn and a grooved drum when the single spindle of the bobbin winder is restarted is obviously reduced, the length counting error is less than 0.8%, the bobbin yarn packaging efficiency is greatly improved, the yarn waste is reduced in the warping process, and the requirements of high-end customers are met;
2. the single spindle of the automatic winder does not need to be measured by a precise length measuring sensor with high cost, and the original single spindle controller, the grooved drum speed measuring sensor and the grooved drum speed measuring sensor of the equipment are fully utilized to realize length measurement. The single spindle of the automatic winder basically does not need to increase the hardware cost, but only improves the control method of the single spindle controller, so that the increased cost is very low. The automatic winder has a simple and reasonable structure, is convenient to improve on the existing automatic winder, and is convenient to popularize and apply.
Drawings
FIG. 1 is a schematic view of a single spindle of an automatic winder;
fig. 2 is a schematic view of the winding of a grooved drum in a single spindle of a winder of the present invention.
In the figure: 1-cop, 2-tension device, 3-splicer, 4-clearer, 5-tension sensor, 6-grooved drum, 7-drum yarn support arm, 8-small end wheel, 9-drum yarn, 10-bobbin, 11-drum yarn speed measuring sensor, 12-big end wheel, 13-grooved drum motor, 14-grooved drum speed measuring sensor, 15-single spindle controller, 16-yarn, 17-central processing unit.
Detailed Description
Referring to fig. 1 and 2, in an embodiment of a single spindle winding length counting method of a winder, the single spindle of the winder comprises a bobbin yarn winding device, a single spindle controller 15, a bobbin speed sensor 14 and a bobbin yarn speed sensor 11, wherein the bobbin yarn winding device comprises a bobbin 10, a bobbin yarn support arm 7, a bobbin 6 and a bobbin motor 13, the bobbin speed sensor 14 is used for detecting the rotation speed of the bobbin, the bobbin yarn speed sensor 11 is used for detecting the rotation speed of the bobbin, the bobbin speed sensor 14 and the bobbin yarn speed sensor 11 are respectively connected with the single spindle controller 15, and the single spindle controller 15 is connected with a central processor 17. The winding machine single-spindle winding length counting method comprises the following steps:
step 1: when the single spindle of the winder is normally wound, calculating the winding length of the cone yarn in the normal winding process of the single spindle of the winder according to the rotating speed of the cone detected by the cone speed sensor 14; meanwhile, the single spindle controller controls the grooved drum speed measuring sensor to measure the grooved drum rotating speed N1, controls the bobbin yarn speed measuring sensor 11 to measure the bobbin rotating speed N2, and calculates the transmission ratio i of the grooved drum 6 to the bobbin yarn 9 in real time, wherein the calculation formula of the transmission ratio i is as follows: i=n1/N2;
step 2: at the moment when the winding of the single spindle of the winder stops, the single spindle controller 15 stores the instantaneous value of the transmission ratio i;
step 3: in the single spindle restarting stage of the winder, the single spindle controller 15 controls the bobbin speed measuring sensor 11 to measure the bobbin rotating speed N2, the instant numerical value of the transmission ratio i in the step 2 and the bobbin rotating speed N2 measured in the single spindle restarting stage of the winder are brought into a calculation formula of the transmission ratio i, the bobbin rotating speed for counting the length in the single spindle restarting stage of the winder is calculated, and the bobbin winding length in the single spindle restarting stage of the winder is calculated by using the bobbin rotating speed for counting the length;
step 4: after the restarting stage of the single spindle of the winder in the step 3 is finished, accelerating to a normal winding speed, and returning to the length counting mode when the single spindle of the winder in the step 1 is normally wound;
step 5: in the winding process of the single spindle of the winder, the single spindle controller takes the sum of the measured winding length of the winding yarn in the normal winding process of the single spindle of the winder and the winding length of the winding yarn in the restarting stage of the single spindle of the winder as the actual winding total length of the winding yarn, and sends the sum to the central processing unit to be compared with a winding total length set value of the winding yarn in the central processing unit, and when the actual winding total length of the winding yarn is consistent with the winding total length set value of the winding yarn, the central processing unit controls the winding device of the winding yarn 16 through the single spindle controller and waits for a doffing trolley to doff.
Preferably, the time of the single spindle restarting stage of the winder in the step 2 is 6-12 seconds.
Further, when the winder single spindle is started for the first time at the empty bobbin 10, the winding length of the bobbin yarn in the normal winding process of the winder single spindle is calculated according to the bobbin rotating speed detected by the bobbin speed measuring sensor 14.
Still further, in the single spindle restarting stage of the winder, if the transmission ratio i of the grooved drum 6 and the cone yarn 9 stored in the single spindle controller 15 is lost, the cone yarn winding length in the single spindle restarting stage of the winder is calculated according to the groove drum rotating speed measured by the groove drum speed measuring sensor 14.
Referring to fig. 1 and 2, an embodiment of an automatic winder includes a single spindle and a central controller, wherein the single spindle adopts the single spindle of the winder in the embodiment of the single spindle winding length counting method of the winder.
Further, the method comprises the steps of. The bobbin yarn winding device comprises a tension device 2, a splicer 3, a yarn cleaner 4, a tension sensor 5, a bobbin yarn support arm 7, a bobbin 10, a grooved drum 6 and a grooved drum motor 13, wherein two ends of the bobbin 10 are respectively provided with a small end wheel 8 and a large end wheel 12.
Preferably, the yarn speed measuring sensor 11 is arranged at one end of the yarn support arm 7 near the big end wheel 12 or the small end wheel 8 of the bobbin 10, and the sensing element of the yarn speed measuring sensor 11 is arranged at one end of the big end wheel 12 or the small end wheel 8; the groove drum speed sensor 14 is arranged in the groove drum motor 13.
The invention solves the problem of winding length counting error caused by the starting stage of single spindles of a winder, and by adopting the technical scheme of the invention, the length counting error among the single spindles on an automatic winder is smaller. If the calculated length and the actual length of the whole machine have errors at this time, the calculated length and the actual length can be uniformly corrected by the correction coefficient set in the central processing unit 17.
In specific use, the yarn 16 on the cop 1 is unwound under the drive of the rotation of the grooved drum 6, and is wound on the bobbin 10 through the tension device 2, the yarn clearer 4, the tension sensor 5 and the grooved drum 6 to form the bobbin yarn 9. When the clearer 4 detects a yarn defect, the yarn 16 is cut, and the splicer 3 is used to restart the winding.
The design idea of the invention is as follows: the winding length of the bobbin yarn of the single spindle of the winder is calculated according to the revolution of the bobbin 6, the yarn 16 is wound on the bobbin 10, the actual revolution of the bobbin 10 determines the winding length of the bobbin yarn 16, the diameter D of the bobbin 6 is unchanged, but the diameter of the bobbin yarn 9 is always changed and is difficult to accurately measure, and the bobbin revolution speed can be measured by the bobbin speed measuring sensor 14 in the bobbin motor 13. When the cone yarn 9 is normally wound, the groove cone 6 drives the cone yarn 9 to rotate at a high speed through friction, and the slippage generated between the groove cone and the cone yarn 9 is small. When the single spindle of the winder is restarted for winding after the yarn 16 is broken, the bobbin 6 drives the bobbin 9 to start at a high speed in order to improve the yield, and when the slippage between the bobbin 9 and the bobbin 6 is larger, particularly when certain cop defects are larger, the restarting times between the single spindles of different winders are greatly different, and the winding length error between the single spindles of the winders is caused because the winding length of the bobbin is calculated according to the revolution of the bobbin.
The time of the single spindle restarting stage of the winder is very short (typically 6-12 seconds), the length of the wound yarn 16 is short, and it can be considered that the diameter of the inner tube yarn 9 is not changed (only about 0.1 mm can be ignored), and the actual rotation speed N2 of the inner tube yarn 9 can be measured by the tube yarn speed measuring sensor 11. In the starting stage of the bobbin 6, the bobbin rotating speed for length counting is derived by using the bobbin rotating speed and the transmission ratio i of the bobbin 6 and the bobbin 9 (the calculated bobbin rotating speed is equivalent to the actual rotating speed of the bobbin 6 without slipping between the bobbin 6 and the bobbin 9), and the bobbin winding length in the single spindle restarting stage of the bobbin winder is calculated by using the bobbin rotating speed for length counting, so that the error problem caused by the slipping of the bobbin 6 and the bobbin 9 is basically solved.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a cone winder single spindle winding length metering method, cone winder single spindle includes section of thick bamboo yarn coiling device, single spindle controller, groove section of thick bamboo speed sensor and section of thick bamboo yarn speed sensor, section of thick bamboo yarn coiling device includes bobbin, section of thick bamboo yarn support arm, groove section of thick bamboo and groove section of thick bamboo motor, groove section of thick bamboo speed sensor is used for detecting groove section of thick bamboo rotational speed, section of thick bamboo yarn speed sensor is used for detecting the bobbin rotational speed, groove section of thick bamboo speed sensor and section of thick bamboo yarn speed sensor respectively with single spindle controller is connected, single spindle controller is connected with central processing unit, its characterized in that, cone winder single spindle winding length metering method includes the following steps:
step 1: when the single spindle of the winder is normally wound, calculating the winding length of the cone yarn in the normal winding process of the single spindle of the winder according to the rotating speed of the cone detected by the cone speed sensor; meanwhile, the single spindle controller controls the grooved drum speed measuring sensor to measure the grooved drum rotating speed N1, and controls the bobbin yarn speed measuring sensor to measure the bobbin rotating speed N2, so that the transmission ratio i of the grooved drum to the bobbin yarn is calculated in real time, and the calculation formula of the transmission ratio i is as follows: i=n1/N2;
step 2: at the moment that a single spindle of a winder stops winding, the single spindle controller stores the instant numerical value of the transmission ratio i;
step 3: in the single spindle restarting stage of the winder, the single spindle controller controls a bobbin speed measuring sensor to measure the bobbin rotating speed N2, the instant numerical value of the transmission ratio i in the step 2 and the bobbin rotating speed N2 measured in the single spindle restarting stage of the winder are brought into a calculation formula of the transmission ratio i, the bobbin rotating speed for counting the length in the single spindle restarting stage of the winder is calculated, and the bobbin winding length in the single spindle restarting stage of the winder is calculated by using the bobbin rotating speed for counting the length;
step 4: after the restarting stage of the single spindle of the winder in the step 3 is finished, accelerating to a normal winding speed, and returning to the normal winding length counting of the single spindle of the winder in the step 1;
step 5: in the winding process of the single spindle of the winder, the single spindle controller takes the sum of the measured winding length of the winding yarn in the normal winding process of the single spindle of the winder and the winding length of the winding yarn in the restarting stage of the single spindle of the winder as the actual winding total length of the winding yarn, and sends the sum to the central processing unit to be compared with a winding total length set value of the winding yarn in the central processing unit, and when the actual winding total length of the winding yarn is consistent with the winding total length set value of the winding yarn, the central processing unit controls the winding device of the winding yarn to stop winding and wait for the doffing trolley to doff through the single spindle controller.
2. The method according to claim 1, wherein the time of the single spindle restarting period of the winder in the step 3 is 6-12 seconds.
3. The method according to claim 1 or 2, wherein when the single spindle of the winder is started for the first time on an empty bobbin, the winding length of the bobbin yarn during the normal winding process of the single spindle of the winder is calculated based on the rotation speed of the bobbin detected by the bobbin speed sensor.
4. The method according to claim 1 or 2, wherein, in the single spindle restarting stage of the winder, if the transmission ratio i of the grooved drum stored in the single spindle controller to the drum yarn is lost, the drum yarn winding length in the single spindle restarting stage of the winder is calculated according to the drum rotation speed measured by the drum speed sensor.
5. A method according to claim 3, wherein, in the single spindle restarting stage of the winder, if the transmission ratio i of the grooved drum stored in the single spindle controller to the drum yarn is lost, the winding length of the drum yarn in the single spindle restarting stage of the winder is calculated according to the speed of the grooved drum measured by the grooved drum speed sensor.
6. An automatic winder comprising a single spindle and a central controller, wherein the single spindle is a winder single spindle in the winding length counting method of the single spindle of the winder according to any one of claims 1 to 5.
7. The automatic winder of claim 6, wherein the bobbin winding device comprises a tension device, a splicer, a clearer, a tension sensor, a bobbin arm, a bobbin, a grooved drum and a grooved drum motor, the two ends of the bobbin being a small end wheel and a large end wheel, respectively.
8. The automatic winder of claim 7, wherein the spool speed sensor is disposed in the spool arm at an end of the spool arm adjacent to the big or small end wheel of the spool; the grooved drum speed measuring sensor is arranged in the grooved drum motor.
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| CN202210884947.8A CN115258822B (en) | 2022-07-26 | 2022-07-26 | Single spindle winding length counting method of winder and automatic winder |
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| CN202210884947.8A CN115258822B (en) | 2022-07-26 | 2022-07-26 | Single spindle winding length counting method of winder and automatic winder |
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| EP1787935A1 (en) * | 2005-11-21 | 2007-05-23 | Murata Kikai Kabushiki Kaisha | A yarn length measuring device for a yarn winding device |
| KR20080003935U (en) * | 2007-03-13 | 2008-09-19 | 신용수 | Size different spindle thread that at the same time coiling is available winding machine |
| CN103010829A (en) * | 2012-12-24 | 2013-04-03 | 青岛宏大纺织机械有限责任公司 | Anti-stacking control device of cheese winder and anti-stacking method thereof |
| WO2022012088A1 (en) * | 2020-07-11 | 2022-01-20 | 江南大学 | Timing control spinning method for multi-channel ring spinning frame, and control system |
| CN216004774U (en) * | 2021-09-15 | 2022-03-11 | 南宫泽润纺织有限公司 | Yarn length metering device of winding machine |
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| CN115258822A (en) | 2022-11-01 |
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