CN105256420A - Online monitoring device of flyer frame - Google Patents
Online monitoring device of flyer frame Download PDFInfo
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- CN105256420A CN105256420A CN201510861798.3A CN201510861798A CN105256420A CN 105256420 A CN105256420 A CN 105256420A CN 201510861798 A CN201510861798 A CN 201510861798A CN 105256420 A CN105256420 A CN 105256420A
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Abstract
The invention belongs to the field of spinning online monitoring, and particularly relates to an online monitoring device of a flyer frame. The online monitoring device comprises a flyer frame system, and is characterized by further comprising a machine vision system; the machine vision system comprises an industrial camera (2), an image collection card (3), an industrial personal computer (4) and a PLC (5); the industrial camera (2) is connected with the image collection card (3) through a data line to collect images of the industrial camera (2); the image collection card (3) is connected to the industrial personal computer (4) through a data line; the industrial personal computer (4) sends an instruction to the PLC (5) after conducting analysis and judgment according to software system calculation, and regulates the rotating speed of a winding motor (17). By relying on the online monitoring technology of the flyer frame, changes of spinning tension is monitored in real time, whether spinning is abnormal or not is judged through the vision system, the motor winding speed information is transmitted to the PLC of the flyer frame, closed-loop control is achieved, constant-tension spinning is achieved, and the spinning quality is improved.
Description
Technical field
The invention belongs to spinning on-line monitoring field, particularly relate to a kind of Speed frames on-line monitoring device.
Background technology
In Speed frames spinning process, online quality control is a problem for many years always, and in online quality control, tension force degree of tightness controls particularly important, is to judge rove jitter conditions by artificial naked eyes and judge tension force degree of tightness in prior art.
In the prior art, Speed frames are manual monitoring to the on-line monitoring of yarn quality in spinning process, spinner's naked eyes are relied on to judge, rove bar diameter between front roller and porch, flier upper end and shake size judge that whether tension force is abnormal, this mode heavy dependence workman experience, efficiency is low, cannot adapt to mass automatic production demand.Another kind is that local relies on CCD on-line monitoring, and in close headstock position, select 3 spindles (front-seat 2, rear row 1) with 3 groups of CCD detection heads, to measure yarn jitter conditions, the amplitude size according to shake judges tension in the roving situation.This method only monitors the tension force situation of 3 spindles, differs and represents the truth that full car (120 ingots or more number of spindles) spins surely, and tension adjustment error is large, inaccurate.
Speed frames in spinning process to different cultivars, different spinning count through technology Calculation determination tension force technological parameter, method by experiment, detect tension value in quality index within ± 1.5% scope.But in actual spinning process, the size of spinning tension, influence factor is more, and often because of the change of weather, humiture change all will be affected.
Also as, in spinning process there is quality flaw in certain spindle, as the problem such as slubbing, details, when especially machine state is bad, long time running, non-Timeliness coverage after certain parts depreciation, to the anomaly that causes of spinning, equipment itself does not accomplish alarm, and quality flaw little often circulates later process, be accomplished fact during discovery quality problems, caused bulk loss.
In the prior art, it is control by headstock, the tailstock one group of optoelectronic switch that Speed frames spinning broken yarn detects, yarn when broken yarn by breaking blocks light beam and sends signal parking, problem is that break point of thread is uncertain sometimes, there is no shading light electric switch, cause this not stop, have impact on broken yarn spindle and normally spin.
Summary of the invention
In order to solve the problem mentioned in above-mentioned background technology, the present invention devises a kind of Speed frames on-line monitoring device, to realize the comprehensive on-line monitoring to Speed frames spinning.
Speed frames spinning monitoring technology on-line mainly solves tension automatic control problem, and Speed frames are to different cultivars in spinning process, and different spinning count is through technology Calculation determination tension force technological parameter.Method by experiment, detects tension value within quality index ± 1.5% scope.But in actual spinning process, the size of spinning tension, influence factor is more, and often because of the change of weather, humiture change all will be affected.For this reason, rely on Speed frames monitoring technology on-line, the change of real-time monitoring spinning tension, judge that whether spinning is abnormal by vision system, carry out technical Analysis by software systems thus, transmit motor winding speed information to Speed frames PLC, realize closed-loop control, reach identical tension spinning, promote spinning quality.
Speed frames on-line monitoring device, comprises Speed frames system, it is characterized in that, also comprise NI Vision Builder for Automated Inspection, and described NI Vision Builder for Automated Inspection comprises industrial camera 2, image pick-up card 3, industrial computer 4 and PLC 5;
The effect of described industrial camera 2 is images of rove 6 described in real-time video monitoring, and described industrial camera 2 connects described image pick-up card 3 by data wire and gathers the image that described industrial camera 2 shoots with video-corder; The shutter speed 1/100s of described industrial camera 2;
Described image pick-up card 3 is connected to described industrial computer 4 by data wire, the diameter image of the rove 6 collected by software analysis, analyzes the tightness judging described rove 6;
Described industrial computer 4 calculates according to software systems, analyzes after judging process, sends instruction to described PLC 5, the rotating speed of adjustment winding motor 17;
Described motor 17 accepts the instruction of described PLC 5, adjustment winding motor 17 rotating speed;
Described Speed frames system comprises motor 17, top roller 9, bottom roll 10, bobbin rail 11, flier 12, flyer bobbin 14, down rail 15, shifts out slide 16, Speed frames pressurized cradle 8;
Described sliver 7 becomes rove 6 through top roller 9, bottom roll 10 and Speed frames pressurized cradle 8 drawing-off, rove 6 enters bobbin rail 11, be connected with described flyer bobbin 14 by flier 12 between described upper sieve muscle 11, down rail 15, described flyer bobbin 14 is wound with the rove 13 being spun into shape, the rove 13 being finally spun into shape shifts out through shifting out slide 16.
Operation principle is: in the course of the work, sliver 7 is spun into rove 6 through Speed frames drawing-off (that is: by sliver 7 drawing-down) system to Speed frames, and the quality monitoring of every ingot rove 6, quotes NI Vision Builder for Automated Inspection.NI Vision Builder for Automated Inspection utilizes industrial camera 2, video monitoring is carried out to the top roller 9 of Speed frames and bottom roll 10, the rove 6 spun between front and rear row flier 12 that rove 6 installs to bobbin rail 11, by scan picture mode, judge that whether coarse yarn diameter is abnormal, and judge tension force abnormal conditions in rove spinning process thus, undertaken after software analysis judges system process by industrial computer 4, to PLC 5 transfer instruction, the rotating speed of adjustment winding motor 17, realize identical tension spinning, structural representation is shown in accompanying drawing 1.
In prior art, Speed frames adopt multi-cell drive, eliminate complicated mechanical structure travelling gear, each motor is controlled by Mathematical Modeling in software by PLC, realize the synchronism output of each motor, sliver 7 provides the rove of certain twist through drafting system spinning, is wound on flyer bobbin 14.In spinning process, tension in the roving index request is less than ± and 1.5%, overtension easily produces details, and it is thicker and sagging that tension force crosses loose rove 6 diameter, affects rove and is shaped.For this reason, it is an important indicator in resultant yarn process that the tension force of Speed frames controls, and relies on the prior art factors vary that is difficult to conform to adjust, after adopting machine vision technique in good time, each spindle is monitored in real time, is changed by the diameter of software system analysis rove 6.See three kinds of spinning states of accompanying drawing 2.
Beneficial effect of the present invention is:
1, machine vision technology system is introduced, realize spinning omnibearing on-line monitoring to Speed frames, this system utilizes industrial camera to carry out video monitoring to each spindle spinning process of Speed frames, by scan picture mode, whether extremely to judge to spin, thus by software calculating, analytical system, determine that whether tension force is normal.
2, after introducing machine vision technology system, can to the quality index of each spindle yarn, as slubbing, details, broken end etc. carry out network analysis, prompting administrative staff get rid of in time to the fault that abnormal spindle itself occurs, analyze the abnormal conditions judging to belong to preceding working procedure to solve in time simultaneously, avoid the loss that quality problems afterwards cause.
3, Speed frames monitoring technology on-line is relied on, the change of real-time monitoring spinning tension, judge that whether spinning is abnormal by vision system, technical Analysis is carried out thus by software systems, to Speed frames PLC transmission motor winding speed information, realize closed-loop control, reach identical tension spinning, promote spinning quality.
4, Speed frames online monitoring system is relied on, the spinning flaw Timeliness coverage to each spindle can be realized, and whether statistic record is analyzed abnormal, by software calculating, analytical system when noting abnormalities, transfer data to equipment performance element, prompting or warning are by certain abnormal spindle fault of the timely remover apparatus of administrative staff, and problem of having accomplished early finds to solve in time, ensure that the rove be spun into conforms to quality requirements, decrease mass loss.
5, in the prior art, it is control by headstock, the tailstock one group of optoelectronic switch that Speed frames spinning broken yarn detects, yarn when broken yarn by breaking blocks light beam and sends signal parking, problem is that break point of thread is uncertain sometimes, there is no shading light electric switch, cause this not stop, have impact on broken yarn spindle and normally spin.Introduce Speed frames monitoring technology on-line, the spinning situation of each spindle of real time record, shutter speed 1/100s time, has accomplished that broken yarn stops in time.
6, Speed frames monitoring technology on-line, conveniently can realize internet, by statistics after software analysis process, is transferred to the network control center, is convenient to follow-up of quality, quality investigation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side view of the rove diameter under normal, overtension of the present invention and the too small three kinds of states of tension force;
Fig. 3 is the top view of the rove diameter under normal, overtension of the present invention and the too small three kinds of states of tension force;
Fig. 4 is the operation principle block diagram of NI Vision Builder for Automated Inspection of the present invention.
In figure: 1-camera lens, 2-industrial camera, 3-image pick-up card, 4-industrial computer, 5-PLC controller, 6-coarse sand, 7-sliver, 8-coarse sand maker pressurized cradle, 9-top roller, 10-bottom roll, 11-bobbin rail, 12-flier, 13-is spun into the coarse sand of shape, 14-flyer bobbin, 15-down rail, 16-shifts out slide, 17-motor.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 to accompanying drawing 4 specific embodiment, the present invention is described further:
Embodiment: Speed frames on-line monitoring device mainly solves tension automatic control problem, Speed frames are to different cultivars in spinning process, and different spinning count is through technology Calculation determination tension force technological parameter.Method by experiment, detect tension value in quality index within ± 1.5% scope.But in actual spinning process, the size of spinning tension, influence factor is more, and often because of the change of weather, humiture change all will be affected.For this reason, rely on Speed frames monitoring technology on-line, the change of real-time monitoring spinning tension, judge that whether spinning is abnormal by vision system, carry out technical Analysis by software systems thus, send instruction adjustment motor machine winding speed information to Speed frames PLC, realize closed-loop control, reach identical tension spinning, promote spinning quality.
Speed frames on-line monitoring device, comprises Speed frames system, it is characterized in that, also comprise NI Vision Builder for Automated Inspection, and described NI Vision Builder for Automated Inspection comprises industrial camera 2, image pick-up card 3, industrial computer 4 and PLC 5;
The effect of described industrial camera 2 is images of rove 6 described in real-time video monitoring, and described industrial camera 2 connects described image pick-up card 3 by data wire and gathers the image that described industrial camera 2 shoots with video-corder; The shutter speed 1/10s of described industrial camera 2; On Speed frames according to number of spindle unit number (general standard number of spindles is 120 ingots), often can save car (12 ingot) and fill one group of industrial camera 2 and camera lens 1, so every chassis needs industrial camera 2 and the camera lens 1 of configuration more than 10 groups.
Described image pick-up card 3 is connected to described industrial computer 4 by data wire, the diameter image of the rove 6 collected by software analysis, judges the tightness of described rove 6;
Described industrial computer 4 calculates according to software systems, analyzes after judging process, sends instruction to described PLC 5, the rotating speed of adjustment winding motor 17.
Described motor 17 accepts the instruction of described PLC 5, adjustment winding motor 17 rotating speed.
Described Speed frames comprise motor 17, top roller 9, bottom roll 10, bobbin rail 11, flier 12, flyer bobbin 14, down rail 15, shift out slide 16, Speed frames pressurized cradle 8.
Described sliver 7 becomes rove 6 through top roller 9, bottom roll 10 and Speed frames pressurized cradle 8 drawing-off, rove 6 enters sieve muscle 11, be connected with described flyer bobbin 14 by flier 12 between described upper sieve muscle 11, lower sieve muscle 15, described flyer bobbin 14 is wound with the rove 13 being spun into shape, the rove 13 being finally spun into shape shifts out through shifting out slide 16.
Speed frames on-line monitoring device is to whole chassis each spindle spinning state, real time record is added up, every chassis each spindle of forward and backward row from headstock to the tailstock is numbered, in equipment operation process, the quality flaw that certain spindle occurs, as problems such as slubbing, details, rings, can be recorded by IMAQ, whether belong to abnormal through software system analysis, and carry out statistic record.Automatic-prompting or warning when slubbing or details often appear in certain spindle, get rid of abnormal spindle fault in time by administrative staff, and problem of having accomplished early finds to solve in time, ensure that product quality.Machine vision technique is applied to spinning monitoring aspect, wherein the equipment such as Speed frames, fine spining machine, need to control the change of yam physical state, detection of dynamic, adjustment machine transmission system, changes winding motor speed, realizes identical tension spinning.Rely on broken yarn automatic stopping technology in vision system monitoring spinning process.
Speed frames monitoring technology on-line, conveniently can realize internet, by statistics after software analysis process, is transferred to the network control center, is convenient to follow-up of quality, quality investigation.
In prior art, Speed frames adopt multi-cell drive, eliminate complicated mechanical structure travelling gear, each motor is controlled by Mathematical Modeling in software by PLC, realize the synchronism output of each motor, sliver 7 provides the rove of certain twist through drafting system spinning, is wound on flyer bobbin 14.In spinning process, tension in the roving index request is less than ± and 1.5%, overtension easily produces details, and it is thicker and sagging that tension force crosses loose rove 6 diameter, affects rove and is shaped.For this reason, it is an important indicator in resultant yarn process that the tension force of Speed frames controls, and relies on the prior art factors vary that is difficult to conform to adjust, after adopting machine vision technique in good time, each spindle is monitored in real time, is changed by the diameter of software system analysis rove 6.See accompanying drawing 2,3 three kinds spinning state: Fig. 2 are side views of the rove diameter under normal, overtension of the present invention and the too small three kinds of states of tension force; Fig. 3 is the top view of the monitoring rove diameter under normal, overtension of the present invention and the too small three kinds of states of tension force.
Utilize technical solutions according to the invention, or those skilled in the art being under the inspiration of technical solution of the present invention, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection scope of the present invention.
Claims (3)
1. Speed frames on-line monitoring device, comprise Speed frames system, described Speed frames system comprises winding motor (17), it is characterized in that: also comprise NI Vision Builder for Automated Inspection, described NI Vision Builder for Automated Inspection comprises industrial camera (2), image pick-up card (3), industrial computer (4) and PLC (5); Described industrial camera (2) connects by data wire the image of shooting with video-corder that described image pick-up card (3) gathers described industrial camera (2); Described image pick-up card (3) is connected to described industrial computer (4) by data wire; Described industrial computer (4) sends instruction to described PLC (5), adjusts the rotating speed of the winding motor (17) in described Speed frames system.
2. Speed frames on-line monitoring device according to claim 1, comprise Speed frames system, it is characterized in that: described Speed frames system comprises motor (17), top roller (9), bottom roll (10), bobbin rail (11), flier (12), flyer bobbin (14), down rail (15), shifts out slide (16), Speed frames pressurized cradle (8); Be connected with described flyer bobbin (14) by flier (12) between described bobbin rail (11), down rail (15), (14) are wound with the rove being spun into shape to described flyer bobbin, described in be spun into shape rove shift out through shifting out slide (16).
3. Speed frames on-line monitoring device according to claim 1, comprises Speed frames system, it is characterized in that: the shutter speed 1/100s of described industrial camera (2).
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| CN201510861798.3A CN105256420A (en) | 2015-11-30 | 2015-11-30 | Online monitoring device of flyer frame |
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| CN201510861798.3A CN105256420A (en) | 2015-11-30 | 2015-11-30 | Online monitoring device of flyer frame |
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Cited By (8)
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| CN108441996A (en) * | 2018-02-09 | 2018-08-24 | 浙江新澳纺织股份有限公司 | A kind of detection device and method for reducing two-for-one twister energy consumption |
| CN110550496A (en) * | 2019-07-19 | 2019-12-10 | 张新生 | A soft clamping device of inlet wire for weaving machine |
| CN111020766A (en) * | 2019-12-19 | 2020-04-17 | 夏津仁和纺织科技有限公司 | Spinning frame backward spindle searching method based on industrial camera image acquisition |
| CN111552243A (en) * | 2020-01-20 | 2020-08-18 | 武汉裕大华纺织有限公司 | Intelligent spinning and packaging production line fault detection system |
| CN111647986A (en) * | 2020-06-28 | 2020-09-11 | 湖南娄星纺织有限公司 | Full-automatic roving frame |
| CN115210416A (en) * | 2020-03-06 | 2022-10-18 | 欧瑞康纺织有限及两合公司 | Method and device for monitoring a machine for producing or processing synthetic fibres |
| CN116993741A (en) * | 2023-09-28 | 2023-11-03 | 福建旭源纺织有限公司 | Roving uniformity monitoring system and roving uniformity detection device |
| CN117286628A (en) * | 2023-11-23 | 2023-12-26 | 南通宝佳精密机械有限公司 | Mechanical equipment maintenance alarm system for fault diagnosis and prediction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116993741A (en) * | 2023-09-28 | 2023-11-03 | 福建旭源纺织有限公司 | Roving uniformity monitoring system and roving uniformity detection device |
| CN116993741B (en) * | 2023-09-28 | 2023-12-22 | 福建旭源纺织有限公司 | Roving uniformity monitoring system and roving uniformity detection device |
| CN117286628A (en) * | 2023-11-23 | 2023-12-26 | 南通宝佳精密机械有限公司 | Mechanical equipment maintenance alarm system for fault diagnosis and prediction |
| CN117286628B (en) * | 2023-11-23 | 2024-04-19 | 南通宝佳精密机械有限公司 | Mechanical equipment maintenance alarm system for fault diagnosis and prediction |
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