CN201224809Y - Electric let-off motion of loom - Google Patents
Electric let-off motion of loom Download PDFInfo
- Publication number
- CN201224809Y CN201224809Y CNU2008200243130U CN200820024313U CN201224809Y CN 201224809 Y CN201224809 Y CN 201224809Y CN U2008200243130 U CNU2008200243130 U CN U2008200243130U CN 200820024313 U CN200820024313 U CN 200820024313U CN 201224809 Y CN201224809 Y CN 201224809Y
- Authority
- CN
- China
- Prior art keywords
- warp
- unit
- servo
- loom
- transmission device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Looms (AREA)
Abstract
The utility model discloses an electronic let-off device of a loom, which includes a let-off control center unit, a servo control unit, a servo driving and transmission device, a warp tension detection sensing device, a warp tension control unit, a let-off amount setting unit and a let-off amount conversion unit. An output terminal of the let-off control center unit is connected with the servo driving and transmission device through the servo control unit, the warp tension detection sensing device is connected with an input terminal of the warp tension control unit, an output terminal of the warp tension control unit is connected with an input terminal of the let-off control center unit, an input terminal of the let-off amount conversion unit is connected with the servo driving and transmission device, an output terminal of the let-off amount setting unit and an output terminal of the let-off amount conversion unit are respectively connected with an input terminal of the let-off control center unit. The structure of the utility model is simple, the response is sensitive and reliable, and the device can rapidly and accurately adjust according to the change of the warp tension, and can accurately and uniformly let off the warp and automatically adjust the tension to improve the quality of the weaving.
Description
Technical field
The utility model relates to the textile machine technology, especially relates to the loom electronic letting-off device that is used for the warp let-off on a kind of air-jet loom
Background technology
Carry out the warp let-off as the mechanical warp let-off mode of employing on the air-jet loom, because its complex structure of mechanical let-off device, transmission is loaded down with trivial details, the manufacturing cost height, maintenance is complicated, after long-term the use, the wearing and tearing of each part reduce its precision, adjust decreased performance, adjustment warp tension that can not be promptly and accurately, thus reduce weave quality.And the mechanical warp let-off can only realize that folk prescription is to transmission, when warp thread is crossed pine, can only be by experience workman manual operations be arranged, and in weaving process, the warp let-off tension force of warp thread can not keep uniformity in the descending process of beam of a loom diameter, and can not realize the automatic tight end and the warp let-off, automatically to fell, loom easily because of stop and down time the different shelves float of driving that produce, the reduction fabric qualities.And some electronic letting-off devices of people's employing at present, employing is controlled the realization warp let-off to servomotor, but the control of servomotor and servo control unit is being adopted more the single control of open loop type, reaction speed is slow, can accurately not realize the automatic tight end and the warp let-off, can not be applicable to that therefore loom at a high speed and the woven requirement of high accuracy according to the rotating speed that servomotor was controlled and adjusted in the variation of warp tension.
Summary of the invention
Technical problem to be solved in the utility model has provided a kind of simple in structure, it is reliable to be quick on the draw, can change to make rapidly and accurately to warp tension and adjust, thereby accurately and equably send warp thread and automatic adjustment of tonicity, and realize the automatic tight end and the warp let-off according to the rotating speed that servomotor was controlled and adjusted in the variation of warp tension, to improve the loom electronic letting-off device of weave quality.
For solving the problems of the technologies described above, the technical solution of the utility model is the loom electronic letting-off device, comprise warp let-off control centre unit, servo control unit, servo-drive and transmission device, warp tension detects sensing device, the warp tension control module, warp run-in setup unit and warp run-in scaling unit, described warp let-off control centre unit output connects servo-drive and transmission device by servo control unit, described warp tension detects sensing device and connects warp tension control module input, described warp tension control module output connects warp let-off control centre unit input, described warp run-in scaling unit input connects servo-drive and transmission device, and described warp run-in setup unit output and warp run-in scaling unit output are connected described warp let-off control centre unit input respectively.
As a kind of improvement, described servo-drive comprises AC servo motor with transmission device, is connected the beam of a loom transmission device and the shaft encoder of described AC servo motor output shaft, described shaft encoder output connects described warp run-in scaling unit input, and described servo control unit output connects AC servo motor.
As further improvement, described beam of a loom transmission device comprises the gear reduction box that is in transmission connection with described AC servo motor output shaft, with the described gear reduction box worm gear case that is in transmission connection, and the described worm gear case warp let-off pinion that is in transmission connection.
The loom electronic letting-off device of technique scheme, owing to be that warp let-off control centre unit output connects servo-drive and transmission device by servo control unit, warp tension detects sensing device and connects warp tension control module input, warp tension control module output connects warp let-off control centre unit input, warp run-in scaling unit input connects servo-drive and transmission device, warp run-in setup unit output is connected warp let-off control centre unit input respectively with warp run-in scaling unit output, has realized the double feedback closed loop control of electronic letting-off device to warp let-off servo-drive system.And servo-drive can adopt AC servo motor with transmission device, be connected the beam of a loom transmission device of AC servo motor output shaft and shaft encoder is formed, and the shaft encoder output connects warp run-in scaling unit input, and the servo control unit output connects AC servo motor.First feedback closed loop is warp run-in control, the actual angle of revolution of detecting AC servomotor by shaft encoder is transported to the warp run-in scaling unit, the warp run-in scaling unit according to motor corner and fabric reeled at that time straight through and the gearratio conversion, amount to actual warp run-in, and compare according to the setting warp run-in input warp let-off control centre unit that pick count calculates gained with the warp run-in setup unit, the commentaries on classics of controlling warp let-off motor according to deviation with stop, remain unchanged to guarantee warp run-in.Second feedback closed loop is controlled to be warp tension control, detect sensing device detection and output and the corresponding signal of full width warp tension by warp tension, its input warp tension control module is compared with giving the tension value of setting earlier, and the commentaries on classics of regulating warp let-off motor according to deviation with stop.By double feedback closed loop control, make warp let-off tension force in the descending process of beam of a loom diameter, can keep uniformity, can effectively prevent loom because of stop and down time the different grade float of driving that produce, and this loom electronic letting-off device reaction speed is fast, sensitive reliable, simplify the structure significantly, can change to make rapidly and accurately to warp tension and adjust, according to the size of setting tension force, the energy high accuracy, accurately and equably send warp thread and automatic adjustment of tonicity, realize the automatic tight end and the warp let-off, automatically to fell, improve weave quality, be applicable to loom high speed and the woven requirement of high accuracy fully, greatly improved automaticity, and can be input into pick count to loom by keyboard is convenient, parameters such as beam of a loom diameter and warp tension setting value.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
Fig. 1 is the fundamental diagram of the utility model loom electronic letting-off device;
Fig. 2 is the utility model loom electronic letting-off device structural representation;
Fig. 3 is that the utility model loom electronic letting-off device warp tension detects the sensing device structural representation.
The specific embodiment
As shown in Figure 1, the loom electronic letting-off device, comprise warp let-off control centre unit, servo control unit, servo-drive and transmission device, warp tension detects sensing device, the warp tension control module, warp run-in (i.e. the amount of batching) setup unit and warp run-in scaling unit, warp let-off control centre unit output connects servo-drive and transmission device by servo control unit, warp tension detects sensing device and connects warp tension control module input, warp tension control module output connects warp let-off control centre unit input, warp run-in scaling unit input connects servo-drive and transmission device, and warp run-in setup unit output and warp run-in scaling unit output are connected described warp let-off control centre unit input respectively.And servo-drive can adopt beam of a loom transmission device and the shaft encoder that comprises AC servo motor, is connected the AC servo motor output shaft with transmission device, the shaft encoder output connects warp run-in scaling unit input, the servo control unit output connects AC servo motor, the work of shaft encoder can realize by the signal that the tachometer generator that is connected with the AC servo motor output shaft is exported, also can adopt shaft encoder itself to be provided with speed measuring device, the signal of the speed measuring device output that is provided with by itself is realized.During work, warp let-off control centre unit output order, drive beam of a loom actuator drives beam of a loom by the running of servo control unit control AC servo motor and realize the warp let-off, and be transported to the warp run-in scaling unit by the actual angle of revolution that shaft encoder detects AC servomotor, the warp run-in scaling unit according to motor corner and fabric reeled at that time straight through and the gearratio conversion, amount to actual warp run-in, and compare according to the setting warp run-in input warp let-off control centre unit that pick count calculates gained with the warp run-in setup unit, the commentaries on classics of controlling AC servo motor according to deviation with stop, to guarantee that warp run-in remains unchanged, realize warp run-in control.Detect sensing device by detection and output and the corresponding signal of full width warp tension by warp tension simultaneously to warp systems, its input warp tension control module is compared with the tension value that gives setting earlier, and the commentaries on classics of regulating warp let-off motor according to deviation with stop, warp tension is controlled realizing.Detected all signals and the actual value of establishing of giving all compare and output order by warp let-off control centre unit, and control is convenient sensitive.Warp let-off control centre unit adopts the computer system control management, and can and check by its function keyboard that is provided with and default each warp let-off parameter (as warp run-in and warp tension value) of display screen.
As shown in Figures 2 and 3, the beam of a loom transmission device can adopt the gear reduction box 2 that comprises AC servo motor 1 output shaft that is in transmission connection, and gear reduction box 2 is connected with worm gear case 3, the warp let-off pinion 4 and worm gear case 3 is in transmission connection.And warp tension detects sensing device and can adopt at two warp let-off rocking bars that are used for the installation activity back rest and be connected with warp tension sensor 5 respectively, when weaving, warp thread is delivered to warp tension sensor 5 to movable back rest pressure by warp let-off rocking bar, realizes the detection to warp tension.
Claims (3)
1, the loom electronic letting-off device, comprise warp let-off control centre unit, servo control unit, servo-drive and transmission device, warp tension detects sensing device, the warp tension control module, warp run-in setup unit and warp run-in scaling unit, it is characterized in that: described warp let-off control centre unit output connects servo-drive and transmission device by servo control unit, described warp tension detects sensing device and connects warp tension control module input, described warp tension control module output connects warp let-off control centre unit input, described warp run-in scaling unit input connects servo-drive and transmission device, and described warp run-in setup unit output and warp run-in scaling unit output are connected described warp let-off control centre unit input respectively.
2, loom electronic letting-off device as claimed in claim 1, it is characterized in that: described servo-drive comprises AC servo motor with transmission device, is connected the beam of a loom transmission device and the shaft encoder of described AC servo motor output shaft, described shaft encoder output connects described warp run-in scaling unit input, and described servo control unit output connects AC servo motor.
3, loom electronic letting-off device as claimed in claim 2, it is characterized in that: described beam of a loom transmission device comprises the gear reduction box (2) that is in transmission connection with described AC servo motor (1) output shaft, with described gear reduction box (2) worm gear case (3) that is in transmission connection, described worm gear case (3) warp let-off pinion (4) that is in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200243130U CN201224809Y (en) | 2008-06-17 | 2008-06-17 | Electric let-off motion of loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200243130U CN201224809Y (en) | 2008-06-17 | 2008-06-17 | Electric let-off motion of loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201224809Y true CN201224809Y (en) | 2009-04-22 |
Family
ID=40597692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200243130U Expired - Fee Related CN201224809Y (en) | 2008-06-17 | 2008-06-17 | Electric let-off motion of loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201224809Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234863A (en) * | 2010-11-13 | 2011-11-09 | 江苏万工科技集团有限公司 | Closed loop control device for rear beam driving mechanism of jet loom |
| CN102251340A (en) * | 2010-05-21 | 2011-11-23 | 津田驹工业株式会社 | Let-off control method and let-off control device for loom including temple device having automatic temple position switching mechanism |
| CN104762736A (en) * | 2015-04-03 | 2015-07-08 | 苏州科明纺织有限公司 | Electronic warp conveying device |
-
2008
- 2008-06-17 CN CNU2008200243130U patent/CN201224809Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251340A (en) * | 2010-05-21 | 2011-11-23 | 津田驹工业株式会社 | Let-off control method and let-off control device for loom including temple device having automatic temple position switching mechanism |
| CN102251340B (en) * | 2010-05-21 | 2014-04-02 | 津田驹工业株式会社 | Let-off control method and let-off control device for loom including temple device having automatic temple position switching mechanism |
| CN102234863A (en) * | 2010-11-13 | 2011-11-09 | 江苏万工科技集团有限公司 | Closed loop control device for rear beam driving mechanism of jet loom |
| CN102234863B (en) * | 2010-11-13 | 2013-07-10 | 江苏万工科技集团有限公司 | Closed loop control device for rear beam driving mechanism of jet loom |
| CN104762736A (en) * | 2015-04-03 | 2015-07-08 | 苏州科明纺织有限公司 | Electronic warp conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201367514Y (en) | Electric coiling and warp let-off control system for weaving machine | |
| CN101289775A (en) | Layer-by-layer speed regulating device for spinning frame | |
| CN201224809Y (en) | Electric let-off motion of loom | |
| CN102634910B (en) | Fully-independent servo drive rapier loom | |
| CN203947255U (en) | The jet terry cloth loom control system of master control based on PLC | |
| CN203333926U (en) | Warp feeding tension bracket for carbon fiber cloth loom | |
| CN201049986Y (en) | Layer to layer speed regulator for spinning machine | |
| CN202644057U (en) | Full-independent servo drive rapier loom | |
| CN203451753U (en) | Electronic warp pacing coiling system | |
| CN103306024A (en) | Let-off tension bracket of carbon fiber cloth loom | |
| CN214115851U (en) | Warp electron conveyor | |
| CN105780288B (en) | Modified multi-speed electronic let-off control system | |
| CN202164423U (en) | Independent electronic let-off device for double-layer fabric weaving | |
| CN207891531U (en) | A kind of yarn electronic tensile compensation system of width gauge double rib warp loom | |
| CN109281044B (en) | Heald eye detection device for automatic warp stop motion | |
| CN203444286U (en) | Air-jet loom control system with PLC-based master control | |
| CN204570158U (en) | A kind of novel loom let-off batching apparatus | |
| CN201224807Y (en) | Electric rolling-up device | |
| CN201411537Y (en) | Protection system for loom warp tension abnormality | |
| CN107794630B (en) | Double-layer integrated weaving control method for bagged cloth of barrel | |
| CN207862546U (en) | A kind of full-automatic loom device of garment production | |
| CN103437045B (en) | Looping control device of towel loom | |
| CN202279900U (en) | Individual coiling device of loom | |
| CN201785598U (en) | Whole-closed-loop electronic let-off device | |
| CN201857482U (en) | Device for automatically regulating sampling period of warp yarn feeding mechanism of loom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20130617 |