CN106592067A - Electromagnetic launching device and method for weft insertion of ultra-wide loom - Google Patents
Electromagnetic launching device and method for weft insertion of ultra-wide loom Download PDFInfo
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- CN106592067A CN106592067A CN201611258919.6A CN201611258919A CN106592067A CN 106592067 A CN106592067 A CN 106592067A CN 201611258919 A CN201611258919 A CN 201611258919A CN 106592067 A CN106592067 A CN 106592067A
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- China
- Prior art keywords
- weft insertion
- insertion device
- launch system
- electromagnetic launch
- stage
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Classifications
-
- 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
-
- 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
- D03D47/27—Drive or guide mechanisms for weft inserting
- D03D47/275—Drive mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention relates to an electromagnetic launching device and method for the weft insertion of an ultra-wide loom. The device comprises a weft insertion device and a multistage electromagnetic launching device body, wherein the multistage electromagnetic launching device body is used for launching the weft insertion device to a shed formed by warps and wefts and is formed by sequentially connecting multiple single-stage launching devices identical in length, the weft insertion device is placed on a pushing device at the main inlet end of the multistage electromagnetic launching device body, and the length of the weft insertion device is identical with that of each single-stage launching device. The electromagnetic launching device has the advantages that the weft insertion device moves in a solenoid, the form of the weft insertion device during launching can be fixed, a horizontal stable flying state of the weft insertion device can be guaranteed, the multistage electromagnetic launching device body is used to accelerate the weft insertion device step by step, weft insertion force and the initial speed of the weft insertion device can be regulated by regulating the stage number of the electromagnetic launching device body, the turn number of the solenoid and the power-on voltage value, and the electromagnetic launching device is convenient to use and applicable to various looms of different widths and the ultra-wide loom.
Description
Technical field
The present invention relates to loom picking motion, and in particular to a kind of electromagnetic launch system for ultra-wide door width loom wefting insertion
And method.
Background technology
Loom can be divided into fly-shuttle loom (having shuttle wefting insertion) and shuttleless loom (without shuttle wefting insertion).Fly-shuttle loom due to shuttle with
Pirn has larger volume and quality together, not only produce very big vibration and noise during flight, and shuttle being throwed a spear and braking
Very big energy need to be consumed, modern loom is not adopted substantially.Without shuttle wefting insertion (shuttleless loom) refer to using jet, water spray, arrow shaft and
The motion of weft-insertion of single weft yarn is realized in the flight of projectile shuttle, and current gripper shuttle loom door width is most wide, up to more than 5.4m.Gripper shuttle loom is existing
It is to turn round axle picking mechanism in the picking motion for commonly using, the power of projectile shuttle transmitting comes from torsion axle, i.e., first applies to turn round to torsion axle
Transformation shape, abrupt release elastic deformation energy produce kinetic energy and promote projectile shuttle.Existing the throw a spear shortcoming of wefting insertion of axle of turning round is：Can not meet
Requirement of the ultra-wide door width loom to weft insertion device emission rate and flying distance, and complex structure, emission rate are difficult to control to.
Chinese invention patent 201110204567.7 discloses a kind of electromagnetism wefting insertion weft carrier, electromagnetism wefting insertion arrow shaft and electricity
Magnetic Weft insertion method, although and by electromagnetism controlling weft carrier, but weft carrier will always by Electromagnetic Control, structure in wefting insertion
Complexity, is not suitable for ultra-wide door width loom.
Upper and lower two solenoids of employing that existing electromagnetic launch system also has are placed in parallel, and weft insertion device is in two solenoids
Between accelerated and launched, it is circular that the shortcoming of this radiation pattern is solenoid, and the form in weft insertion device emission process is not
Can be fixed, it is impossible to ensure horizontal stable state of flight, warp thread can be contacted when shed open, warp tension is affected, or even can be cut off
Warp thread.
The content of the invention
The technical problem to be solved is to provide a kind of electromagnetic launch system for ultra-wide door width loom wefting insertion
And method.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of electromagnetic launch system for ultra-wide door width loom wefting insertion, including weft insertion device and multistage electromagnetic launch system,
For weft insertion device is launched to warp thread and weft yarn the shed open for being formed, the multistage Electromagnetic Launching is filled the multistage electromagnetic launch system
Put to be sequentially connected with by multiple length identical single-stage dischargers and form, the multistage electromagnetic launch system is near one end of shed open
For general export end, it is main entrance end away from one end of shed open, the weft insertion device is placed on the main entrance of multistage electromagnetic launch system
On the pusher at end, the length of the weft insertion device is identical with single-stage discharger.
Further, the single-stage discharger is tubular wire coil and the solenoid being wrapped in outside bobbin, described to draw
Latitude device in tubular wire coil is accelerated and is launched.
Further, the single-stage electromagnetic launch system is the port of export near one end of shed open, away from one end of shed open is
Arrival end, the arrival end of the single-stage discharger are provided with sensor, and the sensor is for sensing that weft insertion device enters
Arrival end phase power control sending signal, power control control solenoid are powered, and the sensor is additionally operable to
Sense that the front half section of weft insertion device has been enter into filling to power control sending signal, power supply during single-stage electromagnetic launch system
Put control solenoid power-off.
Further, one layer of insulating protective layer is additionally provided with the tubular wire coil, the insulating protective layer covers empty
Whole inner surfacies of wire-core coil frame.
Further, the series of the multistage electromagnetic launch system is more than 2 grades.
Further, the cross sectional shape of the tubular wire coil is round rectangle.
Further, the weft insertion device is sheet metal material, and thickness is not more than 6mm.
Further, the weft insertion device weight is not more than 40g.
A kind of Electromagnetic Launching method for ultra-wide door width loom wefting insertion, step is：Weft insertion device is pushed into multistage electromagnetism and sends out
Injection device, and sequentially pass through the multiple single-stage electromagnetic launch systems being sequentially connected and accelerated, finally it is transmitted to warp thread and latitude
The shed open that yarn is formed.
Further, the single-stage discharger is tubular wire coil and the solenoid being wrapped in outside bobbin, described to draw
Latitude device in tubular wire coil is accelerated and is launched.
Further, the weft insertion device is the step of each single-stage electromagnetic launch system is accelerated：Single-stage electromagnetism is sent out
The sensor sensing of injection device arrival end is entered to weft insertion device, and solenoid is powered, and weft insertion device adds in single-stage electromagnetic launch system
Speed, the sensor sensing of single-stage electromagnetic launch system arrival end have been enter into single-stage electromagnetic launch system to the front half section of weft insertion device
When, solenoid power-off.
The invention has the beneficial effects as follows：The present invention save complexity mechanical picking mechanism, simple structure, weft insertion device is in helical
Motion in pipe, the form in weft insertion device emission process can be fixed, it is ensured that horizontal stable state of flight, using multistage electromagnetism
Discharger is accelerated step by step to weft insertion device, by adjusting the big of electromagnetic launch system, the solenoidal number of turn and power-on voltage
It is little, wefting insertion power and weft insertion device initial velocity can be adjusted, it is easy to use, and also it is different to go for various Uneven Width widths
Loom and ultra-wide door width loom.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
Fig. 2 is the schematic cross-section of the present invention；
Fig. 3 is the side schematic view of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, weft insertion device；2nd, single-stage discharger；3rd, general export end；4th, main entrance end；21st, tubular wire coil；22nd, helical
Pipe；23rd, sensor；24th, insulating protective layer
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
As shown in figure 1, a kind of electromagnetic launch system for ultra-wide door width loom wefting insertion, including weft insertion device 1 and multistage electricity
Magnetic discharger, the multistage electromagnetic launch system are for weft insertion device is launched to warp thread and weft yarn the shed open for being formed, described more
Level electromagnetic launch system is sequentially connected with by multiple length identical single-stage dischargers 2 and is formed, the multistage electromagnetic launch system
It is general export end 3 near one end of shed open, is main entrance end 4 away from one end of shed open, the weft insertion device is placed on multistage electromagnetism
On the pusher at the main entrance end of discharger, the length of the weft insertion device is identical with single-stage discharger.
The single-stage discharger 2 is tubular wire coil 21 and the solenoid 22 being wrapped in outside bobbin, the weft insertion device 1
In 21 frame of air core coil accelerated and launched.
As shown in Figures 2 and 3, the single-stage electromagnetic launch system is the port of export near one end of shed open, away from shed open
One end is arrival end, and the arrival end of the single-stage discharger 2 is provided with sensor 23, and the sensor 23 is in sensing
To power control sending signal when entering arrival end to weft insertion device 1, power control control solenoid 22 is powered, described
Sensor 23 is additionally operable to when the front half section for sensing weft insertion device 1 has been enter into single-stage electromagnetic launch system 2 to power control
Sending signal, power control control 22 power-off of solenoid.
One layer of insulating protective layer 24 is additionally provided with the tubular wire coil 21, the insulating protective layer 24 covers tubular wire
Whole inner surfacies of coil 21, insulating protective layer 24 can play guide effect to weft insertion device, while when preventing weft insertion device to be partial to
Tubular wire coil and solenoid are bumped against directly.
The series of the multistage electromagnetic launch system is more than 2 grades.
The cross sectional shape of the tubular wire coil is round rectangle.
The weft insertion device 1 is sheet metal material, and thickness is not more than 6mm.
1 weight of the weft insertion device is not more than 40g.
A kind of Electromagnetic Launching method for ultra-wide door width loom wefting insertion, step is：Weft insertion device 1 is pushed into multistage electromagnetism and sends out
Injection device, and sequentially pass through the multiple single-stage electromagnetic launch systems 2 being sequentially connected and accelerated, finally it is transmitted to warp thread and latitude
The shed open that yarn is formed.
The single-stage discharger 2 is tubular wire coil 21 and the solenoid 22 being wrapped in outside bobbin, the weft insertion device 1
In tubular wire coil 21 accelerated and launched.
The weft insertion device 1 is the step of each single-stage electromagnetic launch system 2 is accelerated：Single-stage electromagnetic launch system 2
The sensor sensing of arrival end is entered to weft insertion device 1, and solenoid 22 is powered, and weft insertion device 1 adds in single-stage electromagnetic launch system 2
Speed, the sensor 23 of single-stage electromagnetic launch system arrival end sense that the front half section of weft insertion device 1 has been enter into single-stage Electromagnetic Launching dress
When putting 2,22 power-off of solenoid.
During use, weft insertion device using be similar to common projectile shuttle structure, making material be ferromagnetic material such as A3,6 millimeters of thickness,
25 grams of weight, the cross sectional shape for being shaped as round rectangle, bobbin and insulating protective layer is also round rectangle, and insulating protective layer
Width be more than weft insertion device, weft insertion device does not contact insulating protective layer inwall when moving in the insulating protective layer, can be in single-stage electricity
Without hindrance flight in magnetic discharger, is 780 circles per the number of turn of one-level single-stage discharger, has 10 grades of dischargers.
During practical operation, weft insertion device is placed on the pusher at main entrance end of multistage electromagnetic launch system, is started
Weft insertion device is pushed first order single-stage electromagnetic launch system by pusher, pusher, and first order single-stage electromagnetic launch system enters
Entrance of the sensor sensing at mouth end to weft insertion device, to power control sending signal, the power control control first order
The solenoid of single-stage electromagnetic launch system is powered, and solenoid is powered and produces magnetic field, produces Lorentz force and promotes weft insertion device to fly forward
OK, after the half length of sensor sensing to weft insertion device enters first order single-stage electromagnetic launch system, to power control
Sending signal, power control control solenoid power-off, weft insertion device continue flight by inertia and send out to next stage single-stage electromagnetism
Injection device carries out the second wheel acceleration.Because weft insertion device is subject to electromagnetic attraction to use and quilt before reaching in the middle part of single-stage electromagnetic launch system
Accelerate, and the half length of weft insertion device into the first order single-stage electromagnetic launch system when electromagnetic force that is subject to be zero, and draw afterwards
Latitude device moves forward, if solenoid continues to remain powered on, what weft insertion device was subject to is opposite direction electromagnetic force, relative to drawing
It is resistance for the motion of latitude device, weft insertion device movement velocity can be reduced, therefore the half length in weft insertion device enters first order list
Stop power supply during level electromagnetic launch system, it is ensured that weft insertion device does not receive electromagnetic resistance in transmitting coil latter half, to obtain
Maximum muzzle velocity.
Step of transmitting according to first order single-stage discharger carries out iterative cycles, carries out multistage acceleration, and series is more, draws
The initial velocity of latitude device is faster, can also by adjusting solenoid power-on voltage and the number of turn come to because initial velocity is adjusted, because
To present invention can be suitably applied to the different various ultra-wide door width looms of a width and common door width loom.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of electromagnetic launch system for ultra-wide door width loom wefting insertion, it is characterised in that including weft insertion device (1) and multistage electricity
Magnetic discharger, the multistage electromagnetic launch system are for weft insertion device is launched to warp thread and weft yarn the shed open for being formed, described more
Level electromagnetic launch system is sequentially connected with by multiple length identical single-stage dischargers (2) and is formed, the multistage Electromagnetic Launching dress
The one end for resting against nearly shed open is general export end (3), is main entrance end (4) away from one end of shed open, and the weft insertion device is placed on many
On the pusher at the main entrance end of level electromagnetic launch system, the length of the weft insertion device is identical with single-stage discharger.
2. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 1, it is characterised in that the list
Level discharger (2) is tubular wire coil (21) and the solenoid (22) being wrapped in outside bobbin, and the weft insertion device (1) is hollow
Accelerated and launched in coil (21) frame.
3. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 2, it is characterised in that the list
Level electromagnetic launch system near one end of shed open be the port of export, away from shed open one end be arrival end, the single-stage discharger
(2) arrival end is provided with sensor (23), and the sensor (23) is for when weft insertion device (1) is sensed into arrival end
To power control sending signal, power control control solenoid (22) is powered, and the sensor (23) is additionally operable to
To power control sending signal, power supply when sensing that the front half section of weft insertion device (1) has been enter into single-stage electromagnetic launch system (2)
Control device controls solenoid (22) power-off.
4. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 2, it is characterised in that the sky
One layer of insulating protective layer (24) is additionally provided with wire-core coil frame (21), the insulating protective layer (24) covers tubular wire coil (21)
Whole inner surfacies.
5. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 2, it is characterised in that the sky
The cross sectional shape of wire-core coil frame (21) is round rectangle.
6. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 1, it is characterised in that described to draw
Latitude device (1) is sheet metal material, and thickness is not more than 6mm.
7. the electromagnetic launch system for ultra-wide door width loom wefting insertion according to claim 1, it is characterised in that described to draw
Latitude device (1) weight is not more than 40g.
8. a kind of Electromagnetic Launching method for ultra-wide door width loom wefting insertion, it is characterised in that step is：Weft insertion device (1) is pushed away
Enter multistage electromagnetic launch system, and sequentially pass through the multiple single-stage electromagnetic launch systems (2) being sequentially connected to be accelerated, finally quilt
Launch to warp thread and weft yarn the shed open for being formed.
9. the Electromagnetic Launching method for ultra-wide door width loom wefting insertion according to claim 8, it is characterised in that the list
Level discharger (2) is tubular wire coil (21) and the solenoid (22) being wrapped in outside bobbin, and the weft insertion device (1) is hollow
Accelerated and launched in bobbin (21).
10. the Electromagnetic Launching method for ultra-wide door width loom wefting insertion according to claim 9, it is characterised in that described
Weft insertion device (1) is the step of each single-stage electromagnetic launch system (2) is accelerated：Single-stage electromagnetic launch system (2) arrival end
Sensor sensing enter to weft insertion device (1), solenoid (22) is powered, weft insertion device (1) in the single-stage electromagnetic launch system (2) plus
Speed, the sensor (23) of single-stage electromagnetic launch system arrival end sense that the front half section of weft insertion device (1) has been enter into single-stage electromagnetism and sends out
During injection device (2), solenoid (22) power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258919.6A CN106592067A (en) | 2016-12-30 | 2016-12-30 | Electromagnetic launching device and method for weft insertion of ultra-wide loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258919.6A CN106592067A (en) | 2016-12-30 | 2016-12-30 | Electromagnetic launching device and method for weft insertion of ultra-wide loom |
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| Publication Number | Publication Date |
|---|---|
| CN106592067A true CN106592067A (en) | 2017-04-26 |
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|---|---|---|---|
| CN201611258919.6A Pending CN106592067A (en) | 2016-12-30 | 2016-12-30 | Electromagnetic launching device and method for weft insertion of ultra-wide loom |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127085A (en) * | 2019-05-16 | 2019-08-16 | 中国科学院电工研究所 | Driven with current sources type electromagnetic launch system |
| CN110485035A (en) * | 2019-09-11 | 2019-11-22 | 宋怡佳 | A kind of variable reluctance magnetic suspension Weft inserting device |
| CN111321505A (en) * | 2020-04-14 | 2020-06-23 | 武汉纺织大学 | Alternating current type ultra-wide electromagnetic drive weft insertion device, control system and control method |
| CN114606626A (en) * | 2022-03-21 | 2022-06-10 | 武汉纺织大学 | Electromagnetic drive's super wide breadth electromagnetism wefting insertion system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223734A (en) * | 1923-10-23 | 1924-10-30 | Lawrence Hoyle | Improvements in shuttle operating mechanism for looms for weaving |
| BE746877A (en) * | 1970-03-05 | 1970-08-17 | Nagoya City | High-speed electromagnetic weft inserter - for looms |
| JPS4844559A (en) * | 1971-10-12 | 1973-06-26 | ||
| CN1203289A (en) * | 1994-06-06 | 1998-12-30 | 株式会社丰田自动织机制作所 | Weft insertion method and apparatus for rapier loom |
| DE102009019935A1 (en) * | 2009-05-05 | 2009-11-19 | Konrad, Hilmar, Dipl.-Ing. | Projectile loom for weaving weft threads into fabric, has weft insertion device including acceleration- and/or braking device that works according electromagnetic coil gun-principle and accelerates and/or brakes weft insertion projectile |
| CN106012242A (en) * | 2015-03-31 | 2016-10-12 | 意达股份公司 | Electromagnetic device for the insertion of the weft yarns into a projectile weaving loom |
-
2016
- 2016-12-30 CN CN201611258919.6A patent/CN106592067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223734A (en) * | 1923-10-23 | 1924-10-30 | Lawrence Hoyle | Improvements in shuttle operating mechanism for looms for weaving |
| BE746877A (en) * | 1970-03-05 | 1970-08-17 | Nagoya City | High-speed electromagnetic weft inserter - for looms |
| JPS4844559A (en) * | 1971-10-12 | 1973-06-26 | ||
| CN1203289A (en) * | 1994-06-06 | 1998-12-30 | 株式会社丰田自动织机制作所 | Weft insertion method and apparatus for rapier loom |
| DE102009019935A1 (en) * | 2009-05-05 | 2009-11-19 | Konrad, Hilmar, Dipl.-Ing. | Projectile loom for weaving weft threads into fabric, has weft insertion device including acceleration- and/or braking device that works according electromagnetic coil gun-principle and accelerates and/or brakes weft insertion projectile |
| CN106012242A (en) * | 2015-03-31 | 2016-10-12 | 意达股份公司 | Electromagnetic device for the insertion of the weft yarns into a projectile weaving loom |
Non-Patent Citations (1)
| Title |
|---|
| S.A.MIRJALILI: "Using Electromagnetic Force in Weft Insertion of a Loom", 《FIBRE & TEXTILES IN EASTERN EUROPE》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127085A (en) * | 2019-05-16 | 2019-08-16 | 中国科学院电工研究所 | Driven with current sources type electromagnetic launch system |
| CN110485035A (en) * | 2019-09-11 | 2019-11-22 | 宋怡佳 | A kind of variable reluctance magnetic suspension Weft inserting device |
| CN110485035B (en) * | 2019-09-11 | 2024-04-02 | 宋怡佳 | Magnetic suspension weft insertion device with variable magnetic resistance |
| CN111321505A (en) * | 2020-04-14 | 2020-06-23 | 武汉纺织大学 | Alternating current type ultra-wide electromagnetic drive weft insertion device, control system and control method |
| CN114606626A (en) * | 2022-03-21 | 2022-06-10 | 武汉纺织大学 | Electromagnetic drive's super wide breadth electromagnetism wefting insertion system |
| CN114606626B (en) * | 2022-03-21 | 2023-01-17 | 武汉纺织大学 | Electromagnetic drive's super wide breadth electromagnetism wefting insertion system |
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Application publication date: 20170426 |