CN109371546A - A kind of high speed arrow shaft ingrain towel loom and its system of beating up - Google Patents
A kind of high speed arrow shaft ingrain towel loom and its system of beating up Download PDFInfo
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- CN109371546A CN109371546A CN201811322716.8A CN201811322716A CN109371546A CN 109371546 A CN109371546 A CN 109371546A CN 201811322716 A CN201811322716 A CN 201811322716A CN 109371546 A CN109371546 A CN 109371546A
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- beating
- shaft
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- motor
- cam
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/60—Construction or operation of slay
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
- D03D47/18—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick two weft inserters meeting at or near the middle of the shed and transferring the weft from one to the other
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
- D03D51/02—General arrangements of driving mechanism
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The present invention relates to a kind of high speed arrow shaft ingrain towel loom and its beating systems, belong to field of textile machinery, including beating-up mechanism, intelligent controller, motor, force sensor system, angular transducer, beating-up mechanism includes conjugate cam component and beating-up swing shaft component, beating-up swing shaft component successively includes reed, guide rail beam, aluminium support arm, swinging shaft, conjugate cam component includes main cam, auxiliary cam, idler wheel A, idler wheel B, swinging shaft, main cam is contacted with idler wheel A, auxiliary cam is contacted with idler wheel B, conjugation camshaft is connected with main shaft, reed is driven by motor, motor connects controller, controller can be according to heald tension, the variation of fabric tension and fell angle to adjust the revolving speed of motor in time, so as to adjust the reciprocal tightening weft speed of reed.The accurate control to beating motion may be implemented in the present invention, and improves the performance of loom and the quality of fabric, improves the intelligence and automatization level of loom.
Description
Technical field
The present invention relates to a kind of high speed arrow shaft ingrain towel loom and its beating system more particularly to High Speed Rapier Looms
The improved technical field of beating-up mechanism.
Background technique
Chinese textile industry is that promotion national power and strength are made that immeasurable contribution, and frame occupies in textile industry
Important position.However, in rapier loom, more than 90% high-end models loom by import.Beating-up mechanism is sword
The key component of bar loom, movenent performance directly determine the quality of fabric and the quality of rapier loom and efficiency.
Beat-up Conjugate Cam is the common beating-up mechanism of modern loom, and conjugate cam is geometry locking type mechanism, is had
Very high kinematic accuracy is suitble to high, medium size load high speed situation.The main cam and auxiliary cam collective effect of conjugate cam mechanism
To drive swing rod swing.Due to the close relation between size, driven voller is kept in contact with cam face, to realize essence
True movement and smoothly operation.However, since there are errors, when main cam surface is contacted with roller, auxiliary cam surface and roller
Between be constantly present gap or interference.If gap is too big, it may occur that impact, vibration and noise, if interference is too big, machinery dress
The movement set can be blocked, or even can not be mounted on designated position.Conjugate cam mechanism has high manufacturing accuracy and performance requirement.I
The conjugate cam mechanism performance of state's processing is poor, it is difficult to meet the requirement that runs at high speed of rapier loom.Usual conjugate cam mechanism
It is beaten due to the intrinsic factor of machinery beating by designing and improving to improve to a certain extent using mechanical beating mode
The performance of latitude mechanism, but be difficult to fundamentally solve the problems, such as at a high speed and high-precision.In addition, with the variation of yarn and fell,
The characteristics of motion of beating-up mechanism can not be adjusted intelligently, and an important factor for restriction movenent performance.
Summary of the invention
In view of the above technical problems, the object of the present invention is to provide a kind of high speed arrow shaft ingrain towel loom and its beating systems
System, the method for replacing mechanical beating-up mechanism using intelligent control beating system can be according to the dynamic change of yarn and fell reality
Now to the accurate control of beating motion, improve the performance of loom and the quality of fabric.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of beating system of High Speed Rapier Loom, the beating system include beating-up mechanism, intelligent controller, motor, power biography
Sensor system, angular transducer (14), the beating-up mechanism include conjugate cam component and beating-up swing shaft component, the beating
The top that shaft assembly is mounted on the conjugate cam component is swung, the beating-up swing shaft component successively includes reed (8), guide rail
Beam (9), aluminium support arm (10), swinging shaft (6), the reed (8), guide rail beam (9), aluminium support arm (10), swinging shaft (6) are using rigidity
Connection, the conjugate cam component includes main cam (2), auxiliary cam (3), idler wheel A(4), idler wheel B(11), swinging shaft (6), it is main
Cam (2), the main cam (2) are contacted with idler wheel A(4), and the auxiliary cam (3) contacts with idler wheel B(11), the main cam
(2) there is conjugation camshaft with the auxiliary cam (3), main shaft (1) described in the conjugation camshaft is connected, and works as main shaft
(1) turn round when, main cam (2) pushing rolling wheels A(4) so that guide rail beam (9) with swinging shaft (6) be center counter-clockwise swing, drive
Reed (8) carries out beating-up, after beating, auxiliary cam (3) pushing rolling wheels B(11), make guide rail beam (9) with swinging shaft (6)
For center clockwise oscillation, the reed (8) is driven by motor, and the motor connects controller, and the controller attachment force passes
Sensor system, angular transducer, the force sensor system include heald tension sensor system and fabric tension sensor system
System, the controller can adjust the revolving speed of motor in time according to the variation of heald tension, fabric tension and fell angle,
So as to adjust the reciprocal tightening weft speed of reed；
The revolving speed that the controller adjusts motor in time is achieved by the steps of:
Step (1) presupposes a mechanical model using the knowledge of mechanics of system；
Step (2), contrived experiment and the experimental observed data according to design；
Step (3), the data that step (2) is obtained substitute into the mechanical model in step (1), to assess the mechanical model；
Step (4) uses the mechanical model, institute if the mechanical model of the data fit step (1) in step (3)
State the operating that controller controls motor according to the mechanical model；
Step (5), if the data in step (3) do not meet the mechanical model of step (1), return step (1) establishes one
A new mechanical model repeats step (3)-(5).
Further, each force sensor system includes force snesor, tension spring, tension roller, selvage guide rod, each
The force snesor is all made of Optical Fiber Force Sensor, the fabric (21) or heald (20,20 ') sequentially pass through selvage guide rod (A,
B), jockey pulley (A, B), the jockey pulley (A, B) connect respective tension spring, and the force snesor is connected with tension spring.
Further, the heald tension sensor system (13) is arranged two, the fabric tension sensing system
(13) it is arranged one.
Further, the angular transducer (14) is mounted on the heald frame (19) of the High Speed Rapier Loom, and is located at
The intermediate region of two groups of healds (20,20 ').
Further, the data include heald tension, fabric tension, fell angle.
Further, the mechanical model includes variation principle, one Euler's formula of newton, Lagrange equation or triumphant grace side
Journey.
Further, the rotation of controller control main shaft (1), the main shaft (1) and the controller
Between shaft encoder is set.
Further, reed encoder is set between the reed (8) and the motor.
Further, the motor is servo motor.
A kind of High Speed Rapier Loom successively includes shedding mechanism, picking motion, beating-up mechanism, spooler and warp let-off machine
Structure, which is characterized in that the beating-up mechanism configures any beating as described above using any beating-up mechanism as described above
System.
The technical solution adopted in the present invention establishes the mathematical model of beating system on the basis of testing test, makes
Determine control strategy and construct the design that controller completes intelligence beating system, intelligent control beating system is used to beat instead of machinery
The method of latitude mechanism can realize the accurate control to beating motion according to the dynamic change of yarn and fell, and improve loom
Performance and fabric quality；According to variation of the yarn in weaving process, intelligent controller adjusts servo motor, makes beating-up force
It keeps constant, when product changes, according to any adjusting of needs of woven product, can also can improve the performance and fabric of loom
Quality reduces the mechanicalness noise of loom, improves the intelligence and automatization level of loom.
Detailed description of the invention
Fig. 1 is beat-up Conjugate Cam schematic diagram；
Fig. 2 is that fabric forms schematic diagram；
Fig. 3 is the measuring principle figure of force snesor；
Fig. 4 is the measuring principle figure of angular transducer；
Wherein, 1- main shaft；2- main cam；3- auxiliary cam；4- idler wheel；5- roller shaft；6- swinging shaft；7- reed
Briquetting；8- reed；9- guide rail beam (slay)；10- aluminium support arm；11- idler wheel；12- heald tension sensor system；13-
Warp tension sensing system；14- angular transducer；15- beam of a loom；16- warp thread；The 17- back rest；18- menopause tablet；19,
19 '-heald frames；20,20 '-heald；21- fabric；22- brest beams；23- work beam；24- fabric guide roll；25- cloth beam.
Specific embodiment
The team present invention is further described combined with specific embodiments below, but protection scope of the present invention is not limited to
This.
As shown in Figure 1, a kind of beating system of High Speed Rapier Loom of the invention, including beating-up mechanism, intelligent controller,
Motor, force sensor system, angular transducer 14, beating-up mechanism include conjugate cam component and beating-up swing shaft component, beating
The top that shaft assembly is mounted on conjugate cam component is swung, beating-up swing shaft component successively includes reed 8, guide rail beam 9, aluminium support arm
10, swinging shaft 6, using rigid connection, conjugate cam component includes main cam for reed 8, guide rail beam 9, aluminium support arm 10, swinging shaft 6
2, auxiliary cam 3, idler wheel A4, idler wheel B11, swinging shaft 6, main cam 2, main cam 2 are contacted with idler wheel A4, auxiliary cam 3 and idler wheel B11
Contact, main cam 2 and auxiliary cam 3 have conjugation camshaft, and conjugation camshaft main shaft 1 is connected, when main shaft 1 turns round
When, 2 pushing rolling wheels A4 of main cam so that guide rail beam 9 with swinging shaft 6 for center counter-clockwise swing, drive reed 8 to carry out beating dynamic
Make, after beating, 3 pushing rolling wheels B11 of auxiliary cam makes guide rail beam 9 with 6 center clockwise oscillation of swinging shaft.When being mounted on
When the sword belt channel for walking the fixed guide rail in sword plate and rack two sides on guide rail beam is in concordant, guide rail beam is just stationary, sword head
Sword plate is walked from two sides disengaging guide rail beam, completes wefting insertion action.
The beat-up Conjugate Cam of rapier loom is mainly used for controlling the beating-up force at 9 endpoint of guide rail beam, while guide rail
Beam needs to overcome tightening weft resistance to tighten weft yarn.Beating-up force is determined by waving for guide rail beam, is controlled by motor speed.Tightening weft resistance
By heald tension, fell angle and fabric tension are determined, during beating, the beating acted on weft yarn are made to try hard to keep as far as possible
Hold constant to ensure beat up effect and fabric property, therefore, it is necessary to consider beating-up force and beat that guide rail beam waves simultaneously
Latitude resistance, tightening weft resistance variation, the beating-up force that guide rail beam waves accordingly will also change, that is, guide rail beam wave it is suitable
Beating-up force (being determined by the reciprocal tightening weft speed of reed) it is related with tightening weft resistance, with heald tension, fell angle and fabric
Power is related.
Reed 8 is driven by motor, and motor connects controller, and controller connects force sensor system, angular transducer, and power passes
Sensor system includes heald tension sensor system and fabric tension sensing system, controller can according to heald tension, knit
The variation of object tension and fell angle to adjust the revolving speed of motor in time, so as to adjust the reciprocal tightening weft speed of reed；
The revolving speed that controller adjusts motor in time is achieved by the steps of:
Step 1, a mechanical model is presupposed using the knowledge of mechanics of system；
Step 2, contrived experiment and the experimental observed data according to design；
Step 3, data step 2 obtained substitute into the mechanical model in step 1, to assess mechanical model；
Step 4, if the mechanical model of the data fit step 1 in step 3, mechanical model is used, controller is according to mechanics mould
The operating of type control motor；
Step 5, if the data in step 3 do not meet the mechanical model of step 1, return step 1 establishes a new mechanics mould
Type repeats step 3-5.
Since controller has input different groups of experimental observed datas, knowing based on mechanics of system according to the experiment of design in advance
Know the mechanical model established under different data, during beating, controller can be according to experimental data and mechanical model
Various databases in selected, with the variation of fell, yarn etc. in weaving process, adjust mechanical model in time, control
The power of motor facilitates the raising of fabric property so that the beating-up force of beating-up mechanism is kept constant.When product changes,
It can be according to any adjusting of needs of woven product.
The setting position of force sensor system and angular transducer is as shown in Fig. 2, parallel warp side by side on beam of a loom 15
Yarn 16 is sent out by let-off mechanism, is laid out via the back rest 17, and menopause tablet 18 is penetrated, and shedding mechanism drives heald frame 19,19 ' to move up and down
When, warp thread 16 is separated up and down, to form shed open.Weft yarn introduces shed open by picking motion at this time, and beating-up mechanism drives reed
8 push weft yarn to fell, to form fabric.Fabric 21 is finally wound to via brest beams 22, work beam 23 and fabric guide roll 24
Cloth rewinder roll 25, the above process are the woven groundwork of loom.
Fig. 3 is the detail view how force sensor system is specifically arranged, since the tension on heald is identical, by heald tension
Sensor is arranged before not reaching heald frame, in case the measurement fell angle to angular transducer has an impact.Each power sensing
Device system includes force snesor, tension spring, tension roller (A, B), selvage guide rod (A, B), and each force snesor is all made of Optical Fiber Force
Sensor, fabric 21 or heald 20,20 ' sequentially pass through selvage guide rod (A, B), jockey pulley (A, B), and jockey pulley (A, B) connection is each
From tension spring, force snesor connects with tension spring.
When fabric tension variation or heald tension variation, it is different to convert intensity by tension variation for force snesor
Electric signal is simultaneously transmitted in controller, and when fell angle changes, while angle change is converted intensity by angular transducer
Different electric signals is simultaneously transmitted in controller, and controller can be kept according to the variation of tension, the variation combination of fell angle
The constant mechanical model of beating-up force finely tunes the revolving speed of motor, to adjust the blow speed of beating-up mechanism, it is also possible that knitting in time
Object tension fluctuates in smaller range.Heald tension sensor system 13 is arranged two, fabric tension sensing system 13
Setting one.Angular transducer 14 is mounted on the heald frame 19 of High Speed Rapier Loom, and is located at the centre of two groups of healds 20,20 '
Region.
As shown in figure 4, angular transducer 14 can launch infrared ray, heald 20,20 ' and heald frame 19,19 ' are detected
Intersection and two length that angular transducer center and two intersections are calculated by principle of reflection, and issue infrared ray extremely
Fell detects the center of angular transducer and the direction of fell and length, establishes three with 3 points of fell by two intersections
It is angular to calculate fell angle.Experimental data includes heald tension, fabric tension, fell angle.Mechanical model includes variation original
Reason, one Euler's formula of newton, Lagrange equation or kane equation.
Variation principle: the principle is a kind of research functional extreme value developed by brachistochrone problem in mechanics by induction
Mathematical principle.One true track can be selected in S dimension space using variation principle, then determine that mechanical system exists
The characteristics of motion of this track.
One Eulerian equation of newton: the equation is the one group of dynamics side listed according to center of mass motion theorem and quantitative theorem of moments
Journey.One Eulerian equation of newton of broad sense can be expressed as；The broad sense of rigid body is with respect to barycentric momentum square derivative and generalized mass mass center
The acceleration sum of products is equal to the sum of the main mistake of active force broad sense and the main square of Relative Generalized.
Lagrange equation: the equation belong to Analytical Mechanics core content it, it is a kind of viewpoint based on energy
Dynamic method.System is regarded as an entirety, passes through the dynamics problem of the mapped system that is converted between function and energy.
Kane equation: the equation, using the form of relative energy, is carried out to constraint particle according to dAlembert principle
Force analysis.
Controller controls the rotation of main shaft 1, and shaft encoder is arranged between main shaft 1 and controller.Reed 8 with
Reed encoder is set between motor.Controller can control the movement of main shaft 1 and reed 8 simultaneously, shaft encoder with
The setting of reed encoder can be used for solving the stationary problem between beating motion and other movements of loom.Motor is servo
Motor.
A kind of High Speed Rapier Loom successively includes shedding mechanism, picking motion, beating-up mechanism, spooler and warp let-off machine
Structure, which is characterized in that beating-up mechanism configures as above any beating system using any beating-up mechanism as above.
The present invention can realize the accurate control to beating motion according to the dynamic change of yarn and fell, and improve loom
Performance and fabric quality, improve the intelligence and automatization level of loom.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than to the limit of the claims in the present invention protection
Fixed, all changes for carrying out unsubstantiality to invention using this design should all fall into protection scope of the present invention.
Claims (10)
1. a kind of high speed arrow shaft ingrain towel loom and its beating system, which is characterized in that the beating system includes beating machine
Structure, intelligent controller, motor, force sensor system, angular transducer (14), the beating-up mechanism include conjugate cam component and
Beating-up swing shaft component, the beating-up swing shaft component are mounted on the top of the conjugate cam component, the beating-up swing shaft
Component successively includes reed (8), guide rail beam (9), aluminium support arm (10), swinging shaft (6), the reed (8), guide rail beam (9), aluminium branch
Using rigid connection, the conjugate cam component includes main cam (2), auxiliary cam (3), idler wheel A for arm (10), swinging shaft (6)
(4), idler wheel B(11), swinging shaft (6), main cam (2), the main cam (2) contact with idler wheel A(4), the auxiliary cam (3) with
Idler wheel B(11) contact, the main cam (2) and the auxiliary cam (3) have conjugation camshaft, master described in the conjugation camshaft
Transmission shaft (1) is connected, when main shaft (1) revolution, main cam (2) pushing rolling wheels A(4) and, so that guide rail beam (9) is with swinging shaft
(6) it is center counter-clockwise swing, reed (8) is driven to carry out beating-up, after beating, auxiliary cam (3) pushing rolling wheels B
(11), make guide rail beam (9) with swinging shaft (6) for center clockwise oscillation, the reed (8) is driven by motor, and the motor connects
Controller is connect, the controller connects force sensor system, angular transducer, and the force sensor system includes that heald tension passes
Sensor system and fabric tension sensing system, the controller can be according to heald tension, fabric tension and fell angles
Variation to adjust the revolving speed of motor in time, so as to adjust the reciprocal tightening weft speed of reed；
The revolving speed that the controller adjusts motor in time is achieved by the steps of:
Step (1) presupposes a mechanical model using the knowledge of mechanics of system；
Step (2), contrived experiment and the experimental observed data according to design；
Step (3), the data that step (2) is obtained substitute into the mechanical model in step (1), to assess the mechanical model；
Step (4) uses the mechanical model, institute if the mechanical model of the data fit step (1) in step (3)
State the operating that controller controls motor according to the mechanical model；
Step (5), if the data in step (3) do not meet the mechanical model of step (1), return step (1) establishes one
A new mechanical model repeats step (3)-(5).
2. a kind of high speed arrow shaft ingrain towel loom according to claim 1 and its beating system, which is characterized in that each
The force sensor system includes force snesor, tension spring, tension roller, selvage guide rod, and each force snesor is all made of light
Fine force snesor, the fabric (21) or heald (20,20 ') sequentially pass through selvage guide rod (A, B), jockey pulley (A, B), described
Jockey pulley (A, B) connects respective tension spring, and the force snesor is connected with tension spring.
3. a kind of high speed arrow shaft ingrain towel loom according to claim 1 and its beating system, which is characterized in that described
Heald tension sensor system (13) is arranged two, and the fabric tension sensing system (13) is arranged one.
4. a kind of high speed arrow shaft ingrain towel loom according to any one of claim 1-3 and its beating system, special
Sign is that the angular transducer (14) is mounted on the heald frame (19) of the High Speed Rapier Loom, and is located at two groups of healds
The intermediate region of (20,20 ').
5. a kind of high speed arrow shaft ingrain towel loom and its system of beating up described in -3 according to claim 1, which is characterized in that
The data include heald tension, fabric tension, fell angle.
6. a kind of high speed arrow shaft ingrain towel loom and its system of beating up described in -3 according to claim 1, which is characterized in that
The mechanical model includes variation principle, one Euler's formula of newton, Lagrange equation or kane equation.
7. a kind of high speed arrow shaft ingrain towel loom and its system of beating up described in -3 according to claim 1, which is characterized in that
The rotation of controller control main shaft (1) is arranged shaft and encodes between the main shaft (1) and the controller
Device.
8. a kind of high speed arrow shaft ingrain towel loom and its system of beating up described in -3 according to claim 1, which is characterized in that
Reed encoder is set between the reed (8) and the motor.
9. a kind of high speed arrow shaft ingrain towel loom and its system of beating up described in -3 according to claim 1, which is characterized in that
The motor is servo motor.
10. a kind of High Speed Rapier Loom successively includes shedding mechanism, picking motion, beating-up mechanism, spooler and warp let-off machine
Structure, which is characterized in that the beating-up mechanism uses beating-up mechanism of any of claims 1-9, and configures right and want
Seek beating system described in any one of 1-9.
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| CN201811322716.8A CN109371546A (en) | 2018-11-08 | 2018-11-08 | A kind of high speed arrow shaft ingrain towel loom and its system of beating up |
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| CN109943960A (en) * | 2019-04-12 | 2019-06-28 | 江门市泰林精密机械有限公司 | A kind of reed device |
| CN110258008A (en) * | 2019-07-11 | 2019-09-20 | 台嘉玻璃纤维有限公司 | A kind of flimsy material breaks sensed device |
| CN112442784A (en) * | 2020-02-27 | 2021-03-05 | 陶怡君 | Weaving device based on standing wave principle |
| CN112442784B (en) * | 2020-02-27 | 2022-05-13 | 南通中邦双佳纺织科技有限公司 | Weaving device based on standing wave principle |
| WO2024001815A1 (en) * | 2022-06-29 | 2024-01-04 | 深圳市汇川技术股份有限公司 | Direct-driven beating-up mechanism, weaving machine and weaving machine control system |
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