CN207624044U - Warp thread condition checkout gear - Google Patents
Warp thread condition checkout gear Download PDFInfo
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- CN207624044U CN207624044U CN201721437523.8U CN201721437523U CN207624044U CN 207624044 U CN207624044 U CN 207624044U CN 201721437523 U CN201721437523 U CN 201721437523U CN 207624044 U CN207624044 U CN 207624044U
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- warp thread
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- checkout gear
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Abstract
Warp thread condition checkout gear.It is related to field of textile machinery, is based particularly on a kind of device of detection warp thread relaxed state of image technique.It provides one kind and need not adjust repeatedly and can be achieved with precise alignment and the adjustable warp thread condition checkout gear of detection sensitivity.The device is set on the weaving loom, including acquisition module and processing module, acquisition module is set between the yarn guide and the creel of weaving loom of the anti-weaving loom, creel is equipped with the warp beam for drawing warp thread, processing module is set in the rack of weaving loom and is connect by signal wire with acquisition module, and processing module is used to handle the signal of acquisition module transmission.The utility model reduces artificial participation, improves comparison accuracy, while also improving comparison speed.
Description
Technical field
The utility model is related to field of textile machinery, are based particularly on a kind of detection warp thread relaxed state of image technique
Device.
Background technology
Three-dimensional loom warp thread in weaving process is drawn by the warp beam on creel, comprehensive on heald frame by rule of gaiting
Silk eye, passes through reed, is clamped by fabric fixture；Shedding mechanism control heald frame lifting makes warp thread form multiple shed opens；Picking motion
Weft yarn is introduced through shed open；After wefting insertion, reed 6 pushes weft yarn to fell；Fabric deflects from mechanism and deflects from the fabric newly formed
Fell.
The warp thread number of plies and warp thread quantity are often required to be more than Tradition Looms, while having multiple openings, and warp thread is intensive, and warp thread need to be
It staggeredly moves up and down between multiple openings, and is moved back and forth before and after part warp thread needs, substantially increase warp tension
There is relaxed state, so as to cause opening although so causing often there is a small amount of warp thread not break in practical weaving in control difficulty
It is mouthful unclear, break through and weave entanglement problem, directly whether decision fabric knitting process smooth and final fabric quality is good
It is bad.
Since three-dimensional woven fiber belongs to the high performance fibers such as carbon fiber mostly, it is easy to scratch, and the density of warp thread
It is very high, using the detection of traditional menopause tablet it is disconnected through etc. technologies be not applied for the detection of three-dimensional warp on loom relaxation.Current weaving
When observed by visually, cannot reflect in time warp thread relaxation real-time status.
A utility application disclosed in State Intellectual Property Office 2014-4-2（A kind of yarn burn out detection dress
It sets, 103693510 A of CN）A kind of broken yarn detection device is disclosed, whether the yarn to detect coil winding machine breaks, it
Include the detection support on yarn machine and at least one guide wheel, further includes spring, inductor, PLC, it is each described to lead
Line is arranged by spring in detection support, and the yarn is arranged on guide wheel, and the spring is in confined state, the induction
Device is mounted in detection support, and there are preset distances with inductor for the guide wheel, described to lead when the spring is in relaxed state
Wheel is contacted with inductor, and the inductor couples with PLC, is provided with driving portion on the yarn machine, the driving portion with it is described
PLC couples.Detect whether yarn relaxes by spring, detection sensitivity is low and spring force drops gradually after working long hours
It is low, the compression degree of adjustment spring is needed repeatedly, could realize accurate detection, it is inconvenient for use.
Utility model content
The utility model can be achieved with precise alignment and detection in view of the above problems, providing one kind and need not adjust repeatedly
The adjustable warp thread condition checkout gear of sensitivity.
The technical solution of the utility model is：Warp thread condition checkout gear, the warp thread condition checkout gear are set to described
On weaving loom, including acquisition module and processing module, the acquisition module is set to the yarn guide and weaving loom of the weaving loom
Between creel, the creel is equipped with the warp beam for drawing warp thread, and the processing module is set to the machine of the weaving loom
It is connect by signal wire on frame and with the acquisition module, the processing module is used to handle the signal of acquisition module transmission.
The acquisition module includes guide rail, CCD camera, servo motor and belt, the guide rail be fixed on yarn guide and
Between creel and it is located at warp thread side, the CCD camera is set on the guide rail and is slided on the guide rail；
One end of the belt is fixed on the CCD camera, and the other end of the belt is fixed on the servo electricity
On the axis of machine, the servo motor drives CCD camera to be slided on guide rail by the belt, and the CCD camera passes through
Signal wire connects the processing module.
The processing module includes host computer and image processing apparatus, described in the CCD camera is connected by signal wire
Image processing apparatus, described image processing unit connect the host computer by signal wire.
The acquisition module includes the infrared remote receiver being set in the warp beam and is distributed in infrared on the creel
Generator, the creel are equipped with speed probe, and the warp beam drives warp thread to pass through the speed probe, the rotating speed
Sensor and the infrared remote receiver are separately connected the processing module by signal wire.
The processing module includes host computer, memory and timer, and the host computer connects the memory, described to deposit
Reservoir is used to store the rotary speed information of the temporal information and the speed probe of the timer.
Warp thread figure when working normally is captured by CCD camera when weaving loom works normally first in the utility model
Picture utilizes the comparison template of this image weaving loom running hours as after.When warp beam completes a warp thread traction,
CCD camera shoots complete image, using one of complete image be used as comparison template, when weaving loom running hours, pass through
Axis completes primary traction, and CCD camera at the uniform velocity slides under the drive of servo motor along guide rail, completes an Image Acquisition,
When warp beam completes primary traction and return, the image collected is just sent to processing module and comparison template by CCD camera
It is compared, image and comparison template is compared using the time of warp beam return, it is qualified to compare, then warp beam carries out next time
Traction, warp beam stays in initial bit if comparison is unqualified, and weaving loom is stopped.
Image processing apparatus is responsible for CCD camera the image collected establishing two-dimensional coordinate system, and according to host computer
Setting selected characteristic point is labeled, that is, characteristic point is marked using two-dimensional coordinate, and host computer is facilitated to be stored.
Image processing apparatus is first modeled the collected comparison template of CCD camera namely in comparison template
Coordinate system is established, using the time as variable（It is equivalent to the X-axis of coordinate system）Reconnaissance is carried out, if can select to do, when as comparing
Characteristic point, and characteristic point information is uploaded in a manner of coordinate information and is stored to host computer.Similarly work as the continuous work of weaving loom
When making, CCD camera the image collected is also to establish same coordinate system, and selection and characteristic point by image processing apparatus
Point under same time variable records coordinate information at this time and uploads to host computer, host computer by feature point coordinates with
Coordinate information compares, as long as such host computer just compares several coordinate informations and not compare entire template, on the one hand, alleviate
The working strength of processing module improves processing speed, on the other hand uses CCD camera sampled images, need not manually carry out
It compares so that comparison accuracy rises, and reduces manual working intensity, reduces cost.Host computer is merely responsible for that image is compared, can
To be computer, microcontroller or only be central processing element（CPU）.According to actual condition select suitable upper
Machine can reduce production cost.
When warp beam guides warp thread, the infrared remote receiver in warp beam and infrared emittance work utilize infrared remote receiver
The signal received determines the position of warp beam.Warp thread drives speed probe by the speed probe on creel simultaneously
It rotates, speed probe records rotary speed information at this time, when warp beam guides warp thread when timer, passes through clocking information and rotating speed
Information can be derived that the length of warp thread, in conjunction with the location information of warp beam, you can judge whether warp thread relaxes.Its operation principle is
The warp thread of certain length can reach fixed position under the traction of warp beam, if warp thread relaxes, warp length variation reaches phase
It just tails off relatively with the warp thread that position is passed through from speed probe, by the length vs of warp thread, whether can judge warp thread
Relaxation, reduces artificial participation, improves comparison accuracy, while also improving comparison speed.It simultaneously can be according to actual state
Increase the either number of reduction infrared emittance or characteristic point so as to adjust the sensitivity of comparison then to compare when quantity is more
To high sensitivity, the great work intensity of corresponding processing module, processing speed reduces.Conversely, quantity is few, then the sensitivity compared
It reduces, the working strength of corresponding processing module is small, and processing speed is fast.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the utility model acquisition module structural schematic diagram,
Fig. 3 is the flow chart of work methods of the utility model；
1 is warp thread in figure；2 be creel；3 be CCD camera；4- heddle eyelets；5- heald frames；6- reed；7- weft yarns；8 are
Fabric fixture；9 be yarn guide；10 be servo motor；11 be belt；12 be guide rail；13 be computer.
Specific implementation mode
The utility model is as shown, warp thread condition checkout gear, the warp thread condition checkout gear are set to the weaving
On machine, including acquisition module and processing module, the acquisition module are set to the warp beam of the yarn guide and weaving loom of the weaving loom
Between frame 2, the creel 2 is equipped with the warp beam for drawing warp thread, and the processing module is set to the rack of the weaving loom
It above and with the acquisition module is connect by signal wire, the processing module is used to handle the signal of acquisition module transmission.
The acquisition module includes guide rail 12, CCD camera 3, servo motor 10 and belt 11, and the guide rail 12 is fixed on
Between yarn guide 9 and creel and it is located at 1 side of warp thread, the CCD camera is a kind of semiconductor imaging camera head, is utilized
CCD chip（Charge coupling device image sensor chip）Imaging, has the advantages that high sensitivity.On the guide rail and
It is slided on the guide rail；
One end of the belt is fixed on the CCD camera, and the other end of the belt is fixed on the servo electricity
On the axis of machine, the servo motor drives CCD camera to be slided on guide rail by the belt, and the CCD camera passes through
Signal wire connects the processing module.
First when weaving loom is worked normally by CCD camera capture work normally when through Yarn image, utilize this figure
As the comparison template of the weaving loom running hours as after.When warp beam completes a warp thread traction, CCD camera has been shot
Whole image, using one of complete image be used as comparison template, when weaving loom running hours, warp beam is completed once to draw,
CCD camera at the uniform velocity slides under the drive of servo motor along guide rail, completes an Image Acquisition, when warp beam completion is once led
When drawing simultaneously return, the image collected is just sent to processing module and is compared with comparison template by CCD camera, utilizes warp beam
The time of return, image and comparison template were compared, and it is qualified to compare, then warp beam is drawn next time, if comparing unqualified
Then warp beam stays in initial bit, and weaving loom is stopped.
The processing module includes host computer and image processing apparatus, described in the CCD camera is connected by signal wire
Image processing apparatus, described image processing unit connect the host computer by signal wire.Image processing apparatus is responsible for taking the photograph CCD
It as head the image collected establishes two-dimensional coordinate system, and is labeled according to the setting selected characteristic point of host computer, that is, profit
Characteristic point is marked with two-dimensional coordinate, host computer is facilitated to be stored.
Image processing apparatus is first modeled the collected comparison template of CCD camera namely in comparison template
Coordinate system is established, using the time as variable（It is equivalent to the X-axis of coordinate system）Reconnaissance is carried out, if can select to do, when as comparing
Characteristic point, and characteristic point information is uploaded in a manner of coordinate information and is stored to host computer.Similarly work as the continuous work of weaving loom
When making, CCD camera the image collected is also to establish same coordinate system, and selection and characteristic point by image processing apparatus
Point under same time variable records coordinate information at this time and uploads to host computer, host computer by feature point coordinates with
Coordinate information compares, as long as such host computer just compares several coordinate informations and not compare entire template, on the one hand, alleviate
The working strength of processing module improves processing speed, on the other hand uses CCD camera sampled images, need not manually carry out
It compares so that comparison accuracy rises, and reduces manual working intensity, reduces cost.Host computer is merely responsible for that image is compared, can
To be computer, microcontroller or only be central processing element（CPU）.According to actual condition select suitable upper
Machine can reduce production cost.
The acquisition module includes the infrared remote receiver being set in the warp beam and is distributed in infrared on the creel
Generator, the creel are equipped with speed probe, and the warp beam drives warp thread to pass through the speed probe, the rotating speed
Sensor and the infrared remote receiver are separately connected the processing module by signal wire.When warp beam guides warp thread, in warp beam
Infrared remote receiver and infrared emittance work, the position of warp beam is determined using the signal of infrared remote receiver received.Simultaneously
Warp thread drives speed probe rotation by the speed probe on creel, and speed probe records rotary speed information at this time,
When warp beam guides warp thread when timer, the length of warp thread is can be derived that by clocking information and rotary speed information, in conjunction with warp
The location information of axis, you can judge whether warp thread relaxes.Its operation principle be certain length warp thread under the traction of warp beam energy
It gets at and reaches fixed position, if warp thread relaxes, warp length variation reaches the warp thread that same position is passed through from speed probe
It is just opposite to tail off, by the length vs of warp thread, it can judge whether warp thread relaxes.
The processing module includes host computer, memory and timer, and the host computer connects the memory, described to deposit
Reservoir is used to store the rotary speed information of the temporal information and the speed probe of the timer.Host computer can select CPU
Deng, it is only necessary to the comparison timer of numerical value is carried out for recording the movable time of warp beam so as to according to the calculating of this time
Go out the length of warp thread, memory is just covered for temporarily storing corresponding warp length information when new warp length information is written
Cover previous warp length information（Warp length information described here is different from Template Information, refers to loom normal work
When warp length information）, when warp beam completes one-off, warp length information will store to be used for and mould in memory
Plate information comparison.When warp beam acts again, new warp length information will cover original warp length information, that is,
It says, with the activity of warp beam, warp length information updates at any time.Thus it can monitor whether warp thread relaxes in real time, in loom
Also just without artificial on duty in whole work process, one side reduces the labor intensity of worker, and on the other hand reduction enterprise is artificial
Cost is reduced artificial participation, improves comparison accuracy due to being compared using host computer.
The working method of warp thread condition checkout gear, works as follows：
A1）CCD camera obtains image template, and CCD camera is movable on guide rail with the activity of warp beam, can shoot
To the complete image of warp thread, become image template after treatment, for comparing.
A2）Warp thread realtime graphic when CCD camera obtains weaving loom work, in weaving loom running hours, then CCD is imaged
Head obtains the image of warp thread for comparing every time, and warp thread realtime graphic also needs to compare after being handled, and can reduce place
The work load of module is managed, accelerates image processing speed, improves production efficiency.
A3）Realtime graphic is compared with image template, if matching, goes to step A1）If mismatching, it is stopped.CCD
The primary complete warp thread realtime graphic of camera acquisition, is just compared with image template, if matching, next with regard to automatic collection
Through Yarn image, original warp thread realtime graphic is covered using new warp thread realtime graphic, starts primary new comparison, completes certainly
Dynamic to compare, whole process need not be artificial on duty, reduces cost of labor.If mismatching, prove that warp thread relaxes, loom just stops work
Make, is adjusted.
The step A1) specific works step be：
A1.1）CCD camera obtains the image of warp thread under normal operating conditions, and the image obtained at this time just makes image mould
Plate gives image processing apparatus processing.
A1.2）Image processing apparatus obtains several characteristic points in image, and establishes the feature point model of template, handles mould
Block stores feature point model；So, image template is converted to several feature point models and is stored in processing module, saves
Memory space, while processing module only needs to compare characteristic point when comparing, and need not compare whole image, alleviates place
The working strength for managing module, improves the processing speed of processing module.It can be increased according to actual state or be reduced special simultaneously
Sign point number then compares high sensitivity when characteristic point quantity is more so as to adjust the sensitivity of comparison, handles mould accordingly
The great work intensity of block, processing speed reduce.Conversely, when characteristic point quantity is few, then the sensitivity decrease compared is corresponding to handle
The working strength of module is small, and processing speed is fast.
The step A2）Specific works step be：
A2.1）CCD camera obtain under weaving loom continuous running through Yarn image, be realtime graphic, when warp beam completes one
When secondary guiding, newest realtime graphic then covers the realtime graphic of last time so that processing module can compare each warp thread
State, it is ensured that the state of each warp thread is normal, improves comparison accuracy.
A2.2）Processing module handles realtime graphic, finds out the characteristic point with feature point model same position；Feature at this time
Point is denoted as real time characteristic points, and processing mode is identical as characteristic point, for being compared with characteristic point.
The step A3）Specific works step be：
A3.1）Processing module receives characteristic point and by characteristic point and characteristic point Model Matching, and feature point model herein is just
It is real time characteristic points, knows that warp thread state at this time, several characteristic points are stored in processing module by matched mode, saves
Memory space, while processing module only needs to compare characteristic point when comparing, and need not compare whole image, alleviates place
The working strength for managing module, improves the processing speed of processing module.It can be increased according to actual state or be reduced special simultaneously
Sign point number then compares high sensitivity when characteristic point quantity is more so as to adjust the sensitivity of comparison, handles mould accordingly
The great work intensity of block, processing speed reduce.Conversely, when characteristic point quantity is few, then the sensitivity decrease compared is corresponding to handle
The working strength of module is small, and processing speed is fast.
A3.2）A1 is gone to step if Feature Points Matching success）, it is stopped if Feature Points Matching is unsuccessful.CCD is imaged
The primary complete warp thread realtime graphic of head acquisition, is just compared with image template, if matching, with regard to the warp thread of automatic collection next time
Image covers original warp thread realtime graphic using new warp thread realtime graphic, starts primary new comparison, completes automatic ratio
Right, whole process need not be artificial on duty, reduces cost of labor.If mismatching, proving that warp thread relaxes, loom is just stopped,
It is adjusted.
The working method of warp thread condition checkout gear, works as follows：
B1）Warp length and temporal information are obtained, matching template is made, the length of warp thread is red by what is be arranged in warp beam
Several infrared emittances on outer receiver and creel determine, entire warp thread is obtained by the distance between infrared emittance
Length, by the timer record time, to obtain time and corresponding length information, be fabricated to matching template for and it is real-time
Information is compared.
B2）Warp thread real time length information and temporal information are obtained, real time information is made, is utilized when working properly and step
B1）Same method obtains real time information and is compared with matching template, equally only needs to compare corresponding point（With in creel
On infrared emittance be corresponding to compare point）Compared with embodiment one, the position of the point of comparison is fixed, and comparison accuracy is high.
B3）Real time information and template matches go to step B1 if matching, are stopped if mismatching.
The step B1 makes comprising the concrete steps that for matching template：
B1.1）The timing of the rotary speed information, time timer of processing module record speed probe under normal operating conditions
The location information of information and warp beam show that warp length, the location information of warp beam pass through infrared hair using rotating speed and temporal information
The cooperation of raw device and infrared remote receiver determines that making becomes matching template, using the position of corresponding infrared emittance as than
To point, since the position of infrared emittance is fixed, so the precision compared is high, while compared with embodiment one, due to using
Hardware（Infrared emittance）As the point of comparison, coordinate system need not be established, also there is no need to image processing apparatus work, thus
It accelerates the speed of warp thread comparison while reducing processing time, improve comparison efficiency.
B1.2）The warp length in warp beam on corresponding position is calculated by rotary speed information and clocking information, with step
B1.1）In it is consistent, obtain warp length using rotating speed and temporal information, using under fixed tension, same position
The constant principle of warp length obtain the correspondence of corresponding warp length and position, be fabricated to comparison template（It is exactly
With template）.
B1.3）Warp length information and the location information of acquisition are corresponded and preserved, matching template is become；Location information
It being obtained by the infrared emittance on creel, warp length information is obtained via the time of speed probe and timer, from
And warp length information and location information can be able to corresponding storage.
The step B2 makes comprising the concrete steps that for real time information：
B2.1）Processing module records corresponding location information, temporal information and speed probe under instantaneous operating conditions
Rotary speed information,
B2.2）Real-time warp length information is obtained by temporal information and rotary speed information；
B2.3）Real-time warp length information is corresponded with real-time position information to be preserved, and real time information is constituted；
The B3 real time information and template matches comprise the concrete steps that：
B3.1）When real time position is consistent with location information, judge if real-time warp length is less than warp length information
Warp thread relaxes, and is stopped,
B3.2）When real time position is consistent with location information, if real-time warp length is more than or equal to warp length information
Judge that warp thread is normal, cycle executes step B1）-B3）.
With step B1.1）Equally, obtain location information using the infrared emittance on creel, via speed probe and
Time of timer obtains warp length information, is denoted as real time information for being matched with matching template, at the same processing module than
Clock synchronization only needs to compare fixed point（It is exactly the point where infrared emittance）, whole image need not be compared, place is alleviated
The working strength for managing module, improves the processing speed of processing module.It can increase or reduce red according to actual state simultaneously
The number of outer generator then compares high sensitivity, corresponding processing module so as to adjust the sensitivity of comparison when quantity is more
Great work intensity, processing speed reduce.Conversely, quantity is few, then the sensitivity decrease compared, the work of corresponding processing module
Intensity is small, and processing speed is fast.
Claims (5)
1. warp thread condition checkout gear, which is characterized in that the warp thread condition checkout gear is set on the weaving loom, including is adopted
Collect module and processing module, the acquisition module is set between the yarn guide and the creel of weaving loom of the weaving loom, described
Creel is equipped with warp beam for drawing warp thread, the processing module be set in the rack of the weaving loom and with the acquisition
Module is connected by signal wire, and the processing module is used to handle the signal of acquisition module transmission.
2. warp thread condition checkout gear according to claim 1, which is characterized in that the acquisition module includes guide rail, CCD
Camera, servo motor and belt, the guide rail are fixed between yarn guide and creel and are located at warp thread side, the CCD
Camera is set on the guide rail and is slided on the guide rail；
One end of the belt is fixed on the CCD camera, and the other end of the belt is fixed on the servo motor
On axis, the servo motor drives CCD camera to be slided on guide rail by the belt, and the CCD camera passes through signal
Line connects the processing module.
3. warp thread condition checkout gear according to claim 2, which is characterized in that the processing module include host computer and
Image processing apparatus, the CCD camera connect described image processing unit by signal wire, and described image processing unit passes through
Signal wire connects the host computer.
4. warp thread condition checkout gear according to claim 1, which is characterized in that the acquisition module includes set on described
Infrared remote receiver in warp beam and the infrared emittance being distributed on the creel, the creel is equipped with revolution speed sensing
Device, the warp beam drive warp thread to pass through the speed probe, and the speed probe and the infrared remote receiver pass through signal
Line is separately connected the processing module.
5. warp thread condition checkout gear according to claim 4, which is characterized in that the processing module include host computer,
Memory and timer, the host computer connect the memory, and the memory is used to store the time letter of the timer
The rotary speed information of breath and the speed probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721437523.8U CN207624044U (en) | 2017-11-01 | 2017-11-01 | Warp thread condition checkout gear |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721437523.8U CN207624044U (en) | 2017-11-01 | 2017-11-01 | Warp thread condition checkout gear |
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| CN207624044U true CN207624044U (en) | 2018-07-17 |
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ID=62826983
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| CN201721437523.8U Expired - Fee Related CN207624044U (en) | 2017-11-01 | 2017-11-01 | Warp thread condition checkout gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657613A (en) * | 2017-11-01 | 2018-02-02 | 扬州远睿精密机械有限公司 | A kind of warp thread condition checkout gear and its method of work |
| CN111485316A (en) * | 2020-04-23 | 2020-08-04 | 南京玻璃纤维研究设计院有限公司 | Three-dimensional woven preform weft yarn bundle state detection device and three-dimensional woven equipment |
| CN115522306A (en) * | 2022-04-29 | 2022-12-27 | 南通保利金纺织科技有限公司 | Intelligent regulation and control method for warp stretching |
-
2017
- 2017-11-01 CN CN201721437523.8U patent/CN207624044U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657613A (en) * | 2017-11-01 | 2018-02-02 | 扬州远睿精密机械有限公司 | A kind of warp thread condition checkout gear and its method of work |
| CN107657613B (en) * | 2017-11-01 | 2024-07-19 | 江苏融汇建设集团有限公司 | Warp state detection device and working method thereof |
| CN111485316A (en) * | 2020-04-23 | 2020-08-04 | 南京玻璃纤维研究设计院有限公司 | Three-dimensional woven preform weft yarn bundle state detection device and three-dimensional woven equipment |
| CN115522306A (en) * | 2022-04-29 | 2022-12-27 | 南通保利金纺织科技有限公司 | Intelligent regulation and control method for warp stretching |
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Granted publication date: 20180717 Termination date: 20181101 |