CN103668752B - A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism - Google Patents
A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism Download PDFInfo
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- CN103668752B CN103668752B CN201310709943.7A CN201310709943A CN103668752B CN 103668752 B CN103668752 B CN 103668752B CN 201310709943 A CN201310709943 A CN 201310709943A CN 103668752 B CN103668752 B CN 103668752B
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- yarn
- thread guide
- spreader
- knitting machine
- flat knitting
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Abstract
The present invention relates to Computerized flat knitting machine technical field, specifically a kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism.This Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism comprises firm banking, elevation angle bearing, yarn guide support and spreader, described elevation angle bearing and yarn guide support are located on described firm banking respectively, described spreader is fixed on described firm banking by spreader fixed magnet, described yarn guide support is provided with holder, described holder is provided with spring pedestal, light spring is provided with in described spring pedestal, capacitance displacement sensor trough is provided with outside described light spring, be positioned at above described light spring and be provided with capacitance displacement sensor in described capacitance displacement sensor trough, described spreader is provided with the first thread guide eyelet, described yarn guide support is provided with the second thread guide eyelet, the 3rd thread guide eyelet is provided with in the middle of described first thread guide eyelet and the second thread guide eyelet.
Description
Technical field
The present invention relates to Computerized flat knitting machine technical field, specifically a kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism.
Background technology
The present age, Computerized flat knitting machine technical development was day by day ripe, and yarn tension detects one of technology becoming main.Because broken yarn is very large on the impact of fabric, therefore yarn tension is detected fast and accurately seem very crucial.At present, on market, on straight-bar machines, adopt stores passive type Yarn Feeder Device more, there is serious loophole to the tension detect of yarn, therefore the present invention proposes the method that yarn tension detects, for improving Computerized flat knitting machine technology.
Summary of the invention
The invention provides a kind of structure and simply, real-time accurately detect the Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism of yarn tension.
The present invention is achieved through the following technical solutions:
A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism, comprise firm banking, elevation angle bearing, yarn guide support and spreader, described elevation angle bearing and yarn guide support are located on described firm banking respectively, described spreader is fixed on described firm banking by spreader fixed magnet, described yarn guide support is provided with holder, described holder is provided with spring pedestal, light spring is provided with in described spring pedestal, capacitance displacement sensor trough is provided with outside described light spring, be positioned at above described light spring and be provided with capacitance displacement sensor in described capacitance displacement sensor trough, described spreader is provided with the first thread guide eyelet, described yarn guide support is provided with the second thread guide eyelet, the 3rd thread guide eyelet is provided with in the middle of described first thread guide eyelet and the second thread guide eyelet.
Described 3rd thread guide eyelet is connected by the upper end of the first connector with the removable pole plate of described capacitance displacement sensor.
The lower end of the removable pole plate of described capacitance displacement sensor is connected by the upper end of the second connector with described light spring.
Described spreader bottom is provided with spreader displacement transducer.
The beneficial effect that the present invention brings is:
In the present invention, described in there is yarn tension detecting mechanism Computerized flat knitting machine Yarn Feeder Device structurally to have volume little, quality is light, easily the advantage such as installation; Utilize capacitance displacement sensor to the sensitive accurate measurement of micrometric displacement, and utilize the geometrical property of mechanism to draw the size of yarn tension fast.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation with the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism of the present invention;
Fig. 2 is the side view with the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism of the present invention;
Fig. 3 is the stressed schematic diagram of yarn;
Fig. 4 is the structural representation with the too small state of yarn tension of the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism of the present invention;
Fig. 5 is the structural representation with the excessive state of yarn tension of the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism of the present invention;
Fig. 6 is the profile of capacitance displacement sensor.
The label that in figure, component names is corresponding is as follows:
1, yarn guide support; 2, elevation angle bearing; 3, firm banking; 4, spreader fixed magnet; 5, spreader displacement transducer; 6, spreader; 7, the first thread guide eyelet; 8, the 3rd thread guide eyelet; 9, the second thread guide eyelet; 10, the first connector; 11, capacitance displacement sensor; 12, light spring; 13, capacitance displacement sensor trough; 14, spring pedestal; 15, holder; 16, capacitance sensor terminals; 17, the second connector.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail:
As the embodiment with the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism of the present invention, as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, comprise firm banking 3, elevation angle bearing 2, yarn guide support 1 and spreader 6, described elevation angle bearing 2 and yarn guide support 1 are located on described firm banking 3 respectively, described spreader 6 is fixed on described firm banking 3 by spreader fixed magnet 4, described yarn guide support 1 is provided with holder 15, described holder 15 is provided with spring pedestal 14, light spring 12 is provided with in described spring pedestal 14, capacitance displacement sensor trough 13 is provided with outside described light spring 12, be positioned at above described light spring 12 and be provided with capacitance displacement sensor 11 in described capacitance displacement sensor trough 13, described spreader 6 is provided with the first thread guide eyelet 7, on described yarn guide support, 1 is provided with the second thread guide eyelet 9, the 3rd thread guide eyelet 8 is provided with in the middle of described first thread guide eyelet 7 and the second thread guide eyelet 9.
In the present embodiment, described 3rd thread guide eyelet 8 is connected by the upper end of the first connector 10 with the removable pole plate of described capacitance displacement sensor 11.
In the present embodiment, the lower end of the removable pole plate of described capacitance displacement sensor 11 is connected by the upper end of the second connector 17 with described light spring 12.
In the present embodiment, described spreader 6 bottom is provided with spreader displacement transducer 5.
The coefficient of elasticity of described light spring 12 is
, wherein, the 3rd thread guide eyelet 8 is positioned on the vertical centering control separated time of the first thread guide eyelet 7 and the second thread guide eyelet 9, and between the first thread guide eyelet 7 and the 3rd thread guide eyelet 8, angle is
, the spacing of the first thread guide eyelet 7 and the second thread guide eyelet 9 is
, the distance of the 3rd thread guide eyelet 8 to the first thread guide eyelet 7 and the second thread guide eyelet 9 is
.
After measured, during yarn tension appropriateness,
=
, be the initial position of the 3rd thread guide eyelet 8, the removable polar plate position of capacitance displacement sensor 11 is zero initial position, and spring is power by compression, and initial value is
;
Yarn tension increases, and the 3rd thread guide eyelet 8 position is moved, and the first connector 10 drives on the removable pole plate of capacitance displacement sensor 11 and moves, light spring 12 power by compression;
Yarn tension reduces, and the 3rd thread guide eyelet 8 position moves down, and the first connector 10 drives the removable pole plate of capacitance displacement sensor 11 to move down, light spring 12 tension stretch;
Described capacitance displacement sensor 11 is measured the 3rd thread guide eyelet 8 upper and lower displacement, obtains light spring 12 by compression or the displacement of Tensile
, more than initial position be on the occasion of, be negative value below initial position.Then the tension force calculating light spring 12 is
, be the longitudinal elastic force of yarn
.Drawn by antitrigonometric function
=
, and draw yarn tension by Newtonian mechanics principle
=
.
More than calculate and complete by microprocessor, yarn tension appropriateness, measures the displacement of the removable pole plate of now capacitance displacement sensor 11, draws
, and the initial elastic force of light spring 12
, wherein
for spring initial deformation amount.After AD conversion, income value is displacement initial value,
=0.
Yarn tension increases, and AD conversion income value is greater than initial value,
; Yarn tension reduces, and AD conversion income value is less than initial value,
.The capacitance displacement sensor 11 gained signal of telecommunication, through differential amplify filtering, is separately provided with thermo-compensator, can suppress interference very well, not repeat them here.
Claims (4)
1. one kind has the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism, it is characterized in that comprising firm banking, elevation angle bearing, yarn guide support and spreader, described elevation angle bearing and yarn guide support are located on described firm banking respectively, described spreader is fixed on described firm banking by spreader fixed magnet, described yarn guide support is provided with holder, described holder is provided with spring pedestal, light spring is provided with in described spring pedestal, capacitance displacement sensor trough is provided with outside described light spring, be positioned at above described light spring and be provided with capacitance displacement sensor in described capacitance displacement sensor trough, described spreader is provided with the first thread guide eyelet, described yarn guide support is provided with the second thread guide eyelet, the 3rd thread guide eyelet is provided with in the middle of described first thread guide eyelet and the second thread guide eyelet.
2. there is the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism as claimed in claim 1, it is characterized in that described 3rd thread guide eyelet is connected by the upper end of the first connector with the removable pole plate of described capacitance displacement sensor.
3. there is the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism as claimed in claim 2, it is characterized in that the lower end of the removable pole plate of described capacitance displacement sensor is connected by the upper end of the second connector with described light spring.
4. there is the Computerized flat knitting machine Yarn Feeder Device of yarn tension detecting mechanism as claimed in claim 3, it is characterized in that described spreader bottom is provided with spreader displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709943.7A CN103668752B (en) | 2013-12-22 | 2013-12-22 | A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709943.7A CN103668752B (en) | 2013-12-22 | 2013-12-22 | A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN103668752A CN103668752A (en) | 2014-03-26 |
| CN103668752B true CN103668752B (en) | 2016-01-06 |
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|---|---|---|---|
| CN201310709943.7A Active CN103668752B (en) | 2013-12-22 | 2013-12-22 | A kind of Computerized flat knitting machine Yarn Feeder Device with yarn tension detecting mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105306069A (en) * | 2015-11-03 | 2016-02-03 | Tcl移动通信科技（宁波）有限公司 | Key detection device and method of mobile terminal |
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| EP0240799A1 (en) * | 1986-03-21 | 1987-10-14 | UNIVERSAL Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG | Method and device for influencing the length and the mesh structure of knitwear |
| EP0247404A1 (en) * | 1986-05-28 | 1987-12-02 | H. Stoll GmbH & Co. | Thread tension regulating device for a knitting machine |
| CN1664208A (en) * | 2003-09-30 | 2005-09-07 | 路易吉·O·佐里尼 | Textile machine and control method thereof |
| CN201183877Y (en) * | 2008-04-21 | 2009-01-21 | 江苏雪亮电器机械有限公司 | Sub yarn-feeding mechanism of computer knitting transverse knitting machine |
| EP1605085B1 (en) * | 2004-06-12 | 2011-02-23 | H. Stoll GmbH & Co. KG | Thread take-up device |
| CN201825597U (en) * | 2010-10-20 | 2011-05-11 | 常熟市荣伟纺织有限公司 | Yarn leasing machine |
| CN202047221U (en) * | 2011-03-21 | 2011-11-23 | 孙嘉良 | Yarn tension control device for warp knitting machines |
| CN202323304U (en) * | 2011-11-14 | 2012-07-11 | 东莞市英伟实业有限公司 | Yarn guiding device for flat knitting machine |
| CN202881627U (en) * | 2012-11-28 | 2013-04-17 | 慈溪太阳洲纺织科技有限公司 | Sensor assembly of knitting yarn conveying device |
| CN203715858U (en) * | 2013-12-22 | 2014-07-16 | 飞虎科技有限公司 | Computerized flat knitting machine yarn feeder with yarn tension detection mechanism |
-
2013
- 2013-12-22 CN CN201310709943.7A patent/CN103668752B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0240799A1 (en) * | 1986-03-21 | 1987-10-14 | UNIVERSAL Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG | Method and device for influencing the length and the mesh structure of knitwear |
| EP0247404A1 (en) * | 1986-05-28 | 1987-12-02 | H. Stoll GmbH & Co. | Thread tension regulating device for a knitting machine |
| CN1664208A (en) * | 2003-09-30 | 2005-09-07 | 路易吉·O·佐里尼 | Textile machine and control method thereof |
| EP1605085B1 (en) * | 2004-06-12 | 2011-02-23 | H. Stoll GmbH & Co. KG | Thread take-up device |
| CN201183877Y (en) * | 2008-04-21 | 2009-01-21 | 江苏雪亮电器机械有限公司 | Sub yarn-feeding mechanism of computer knitting transverse knitting machine |
| CN201825597U (en) * | 2010-10-20 | 2011-05-11 | 常熟市荣伟纺织有限公司 | Yarn leasing machine |
| CN202047221U (en) * | 2011-03-21 | 2011-11-23 | 孙嘉良 | Yarn tension control device for warp knitting machines |
| CN202323304U (en) * | 2011-11-14 | 2012-07-11 | 东莞市英伟实业有限公司 | Yarn guiding device for flat knitting machine |
| CN202881627U (en) * | 2012-11-28 | 2013-04-17 | 慈溪太阳洲纺织科技有限公司 | Sensor assembly of knitting yarn conveying device |
| CN203715858U (en) * | 2013-12-22 | 2014-07-16 | 飞虎科技有限公司 | Computerized flat knitting machine yarn feeder with yarn tension detection mechanism |
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| CN103668752A (en) | 2014-03-26 |
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