CN101487165A - Warp let-off speed-measuring feedback device of multi-axial warp knitting machine - Google Patents
Warp let-off speed-measuring feedback device of multi-axial warp knitting machine Download PDFInfo
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- CN101487165A CN101487165A CNA2009100244950A CN200910024495A CN101487165A CN 101487165 A CN101487165 A CN 101487165A CN A2009100244950 A CNA2009100244950 A CN A2009100244950A CN 200910024495 A CN200910024495 A CN 200910024495A CN 101487165 A CN101487165 A CN 101487165A
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- knitting machine
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Abstract
The invention relates to a method for controlling warp feeding quantity of a knitting machine used for spinning, in particular to a speed-measurement feedback device for controlling warp feeding quantity of the multi-axial knitting machine. The device comprises a transverse pipe, a vertical pipe, a pipe seat, a vertical pipe sleeve, a transmission shaft and a pressing wheel; the transverse pipe and the vertical pipe are both connected with the pipe seat; the vertical pipe is also fixedly provided with the vertical pipe sleeve; the transmission shaft passing through the vertical pipe sleeve is fixedly provided with the pressing wheel; the transmission shaft is also connected with an encoder; and a spring is arranged between the vertical pipe and the transverse pipe. The device only uses one spring, one pressing wheel and one encoder, has simple structure and convenient operation, and can exactly record the rotation speed of the pressing wheel and exactly obtain the warp feeding quantity of a barrel head which is not changed due to the size of the diameter of the barrel head raw material; therefore, the value is fed back to a mainframe control system which timely emits a servo control instruction according to the change of the data, thus exactly controlling the warp feeding precision and ensuring the quality further.
Description
Technical field
The present invention relates to weave and use the control of warp knitting machine warp run-in, especially for warp let-off speed-measuring feedback device of multi-axial warp knitting machine.
Background technology
The control that present textile department is used for the warp knitting machine warp run-in all is to calculate warp run-in by the mensuration of raw material coiled hair rotating speed is passed through again.This numerical value feeds back to the adjustment of coiled hair rotating speed again, but since the raw material coiled hair at work, the raw material diameter is in variation all the time, this variation, directly influenced the conversion of rotating speed and warp run-in, and then influenced control accuracy, directly influenced the quality of product warp run-in.Existing warp run-in control method has two kinds of forms, and a kind of is passive warp let-off mode, another kind be positive warp let-off mode comprise mechanical type FAG device with two kinds in electronic warp feeding formula EBC device.The warp let-off of passive warp let-off mode is to have the knitting needle on the main frame needle-bar to drive yarn movement.Warp run-in is by can not accurately controlling that machine speed determines, and the also bad control of the tension of yarn.Actively mechanical warp run-in is directly to drive the FAG device by machine shaft to carry out warp run-in control in the warp let-off mode, but its complicated in mechanical structure, manufacturing cost are big, so not quite employing.Its warp run-in of EBC device of electronic warp feeding formula is to control by waiing upon dress system, has improved control accuracy, but because the passive warp let-off and the positive warp let-off all are to belong to open loop control, does not have reponse system.Control accuracy still is not ideal enough under the environment that machine runs up.
Summary of the invention
The present invention provides a kind of closed-loop control device for addressing the above problem, and is simple to operation, and the feedback accuracy height is not subjected to the raw material coiled hair to influence the warp let-off speed-measuring feedback device of multi-axial warp knitting machine of its control accuracy because of the variation of diameter.
The technical scheme that the present invention addresses the above problem is, a kind of warp let-off speed-measuring feedback device of multi-axial warp knitting machine, comprise transverse tube, vertical tube, pipe seat, vertical tube cover, power transmission shaft and pinch roller, transverse tube and base load, one end of vertical tube is installed on the base, the other end is packed in the vertical tube cover, pass the vertical tube cover) power transmission shaft on be fixed with pinch roller, its innovative point is: also be fitted with encoder on the power transmission shaft; Spring is housed on the base, and an end of spring is fixed on the transverse tube with the base load, and the other end and vertical tube offset
Described power transmission shaft laterally passes from the vertical tube cover, and passes through the rolling bearing load with the vertical tube cover, the part that power transmission shaft stretches out from vertical tube cover two ends, and an end is fixed with the pinch roller other end and encoder load.
Described power transmission shaft load encoder one end also is fitted with pinch roller.
The encoder of load is the hollow rotating encoder on the described power transmission shaft.
Described pinch roller comprises aluminum hub and bala gutta circle.
Described transverse tube is sleeved in two linings with flange, and by lining and base load, and the two ends of base offset with the flange of two linings respectively, and the outside of the flange of two linings is respectively equipped with compacting ring and the limit mounting plate with the transverse tube load.
Have the axial hole that can insert spring on the described compacting ring, compacting ring is packed on the transverse tube by pinching screw.
Described base is provided with limiting iron, and described transverse tube passes base, with base on the corresponding side of limiting iron that is provided be fixed with the limit mounting plate, be fixed with lower limit screw, upper limit screw and trip bolt on the limit mounting plate.
The present invention is owing on the power transmission shaft that crosses the vertical tube cover bala gutta pinch roller and hollow rotating encoder being housed, and pass on the transverse tube of base compacting ring is housed, spring one end of suit is stuck on the compacting ring on the base, the other end is stuck on the vertical tube that is fitted together with the vertical tube condom, under the effect of spring, the bala gutta pinch roller is pressed on the former charge level of coiled hair all the time, and can not be subjected to the variation of coiled hair raw material diameter with being contained in hollow rotating encoder on the power transmission shaft with the bala gutta pinch roller, write down out the rotating speed of bala gutta wheel exactly, can obtain the coiled hair warp run-in exactly, therefore this numerical value feeds back to engine control system, control system is in time sent according to the variation of these data and is waitd upon the clothes control instruction, can accurately control warp let-off precision like this, further guarantee quality.The present invention only uses spring, pinch roller and an encoder, and is simple in structure, easy to operate, and it is inaccurate and influence the problem of precision to have solved in the past feedback numerical value.
Description of drawings
Fig. 1 is a warp let-off speed-measuring feedback device of multi-axial warp knitting machine structural representation of the present invention;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the limiting iron structural representation corresponding with the limit mounting plate among Fig. 1;
Fig. 4 is the structural representation of limiting iron among Fig. 3;
Fig. 5 is the structural representation of compacting ring among Fig. 1.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing describes in further detail the present invention.
Referring to Fig. 1,2,, a kind of warp let-off speed-measuring feedback device of multi-axial warp knitting machine, comprise transverse tube 1, vertical tube 2, pipe seat 3, vertical tube cover 4, power transmission shaft 5 and pinch roller 8, transverse tube 1 and base 3 loads, one end of vertical tube 2 is installed on the base 3, the other end is packed in the vertical tube cover 4, passes on the power transmission shaft 5 of vertical tube cover 4 and is fixed with pinch roller 8, and its innovative point is: also be fitted with encoder 9 on the power transmission shaft 5; Spring 7 is housed on the base 3, and an end of spring 7 is fixed on the transverse tube 1 with base 3 loads, and the other end and vertical tube 2 offset, because the effect of spring can make pinch roller be pressed on all the time on the former charge level of coiled hair.And the influence that encoder is not changed by the raw material diameter just can, the revolution of accurate recording coiled hair calculates warp run-in and feeds back to main frame.
Referring to Fig. 1,2, in order to guarantee that power transmission shaft 5 rotates flexibly, encoder 9 transmission data are accurate, described power transmission shaft 5 laterally passing from vertical tube cover (4), and pass through rolling bearing 6 loads with vertical tube cover 4, power transmission shaft 5 overlaps the part that stretch out at 4 two ends from vertical tube, and an end is fixed with pinch roller 8 other ends and encoder 9 loads.Described power transmission shaft 5 is fitted with encoder 9 one ends and also is fitted with pinch roller 8.The encoder 9 of load is the hollow rotating encoder on the described power transmission shaft 5.
Referring to Fig. 2, be pressed on all the time in order to ensure pinch roller 8 on the former charge level of coiled hair, described pinch roller 8 comprises aluminum hub 8-1 and bala gutta circle 8-2.
Referring to Fig. 1,5, because base 3 relatively rotates at work and between the transverse tube 1, in order to reduce the wearing and tearing between base 3 and the transverse tube 1, described transverse tube 1 is sleeved in two lining 1-2 with flange, and by lining 1-2 and base 3 loads, the two ends of base 3 offset with the flange of two lining 1-2 respectively, and the outside of two lining 1-2 flanges is respectively equipped with compacting ring 1-1 and the limit mounting plate 1-3 with transverse tube 1 load.
Referring to Fig. 1,5, have the axial hole 1-1-2 that can insert spring 7 on the described compacting ring 1-1, compacting ring 1-1 is packed on the transverse tube 1 by pinching screw 1-1-1.Adjust the thrust of 8 pairs of coiled hairs of pinch roller for convenience, the axial hole 1-1-2 of the inserted spring 7 on the compacting ring 1-1 has three.
Referring to Fig. 1,3,4, for safe in utilization and be convenient to the conversion of duty and off working state.Described base 3 is provided with limiting iron 3-1, described transverse tube 1 passes base 3, with base 3 on the corresponding side of limiting iron 3-1 that is provided be fixed with limit mounting plate 1-3, be fixed with lower limit screw 1-3-1, upper limit screw 1-3-2 and trip bolt 1-3-3 on the limit mounting plate 1-3.Limit mounting plate 1-3 is fixed on the transverse tube 1 by trip bolt 1-3-3, can adjust as required with limiting iron 3-1 corresponding lower limit screw 1-3-1 that is provided with on the base 3 and the position of upper limit screw 1-3-2, assurance pinch roller 8 can be changed new coiled hair safely away from coiled hair when limiting iron 3-1 is stuck in lower limit screw 1-3-1 position; When limiting iron 3-1 was stuck in upper limit screw 1-3-2 position, the coiled hair raw material used up and feeds back to Main Engine Cut-Off just.
Referring to Fig. 1; 2; 3; 4; 5; the present invention in use; transverse tube 1 is fixedlyed connected with the frame of main frame; before main frame is started working; be packed in limiting iron 3-1 on the base 3 and be stuck in lower limit screw 1-3-1 place on the limit mounting plate 1-3; pulling vertical tube 2 makes the limiting iron 3-1 that is installed on the base 3 break away from the lower limit screw 1-3-1 of limit mounting plate 1-3; unclamp the pinching screw 1-1-1 on the compacting ring 1-1 simultaneously; adjust the position of compacting ring 1-1 on transverse tube 1; spring 7 drives and the bala gutta pinch roller 8 of vertical tube 2 loads are pressed on the former charge level of coiled hair; it is fixing with compacting ring 1-1 and transverse tube 1 to tighten pinching screw 1-1-1 then; at this moment main frame promptly can be worked; work along with main frame; the raw material diameter constantly reduces on the coiled hair; because the effect of spring 7; vertical tube 2 drives with the bala gutta of vertical tube cover 4 and power transmission shaft 5 loads presses 8 to take turns on the former charge level that is pressed on coiled hair all the time; what reflect all the time with the hollow rotating encoder 9 of power transmission shaft 5 loads is the coiled hair revolution; can not influence its measurement and control accuracy to warp run-in; simultaneously; vertical tube 2 drives base 3 along with the minimizing of coiled hair raw material is also being rotated; the position that promptly is installed in the limiting iron 3-1 relative limit installing plate 1-3 on the base 3 is also in relative variation; and it is close to the upper limit screw 1-3-2 of limit mounting plate 1-3; when raw material uses up; limiting iron 3-1 on the base 3 forwards the position of upper limit screw 1-3-2 just to; and blocked by upper limit screw 1-3-2, main frame obtained stopping signal and quit work this moment.For being convenient for changing coiled hair, at this moment spur vertical tube 2 again, make the lower limit screw 1-3-1 position of limiting iron 3-1 to limit mounting plate 1-3, and be stuck in lower limit screw 1-3-1 place, play the effect of conversion limiting iron 3-1 operating angle at this process lower limit position screw 1-3-1, pinch roller 8 is convenient to the replacing of raw material coiled hair just away from coiled hair like this, handling safety, convenience.Just can spur vertical tube 2 again when more finishing changing coiled hair, make the limiting iron 3-1 that is installed on the base 3 break away from the lower limit screw 1-3-1 of limit mounting plate 1-3, and the bala gutta pinch roller 8 with vertical tube 2 loads is pressed on the former charge level of coiled hair, just can start shooting has worked on.
Warp let-off speed-measuring feedback device of multi-axial warp knitting machine of the present invention is a kind of closed-loop control device, simple to operation, the feedback accuracy height, be not subjected to the raw material coiled hair to influence its control accuracy because of the variation of diameter, because the bala gutta pinch roller is pressed on the former charge level of coiled hair all the time, and can write down out the rotating speed that bala gutta is taken turns exactly with the hollow rotating encoder that is contained on the power transmission shaft with the bala gutta pinch roller, can obtain the coiled hair warp run-in exactly, therefore this numerical value feeds back to engine control system, control system is in time sent according to the variation of these data and is waitd upon the clothes control instruction, can accurately control warp let-off precision like this, further guarantee quality.
Claims (8)
1, a kind of warp let-off speed-measuring feedback device of multi-axial warp knitting machine, comprise transverse tube (1), vertical tube (2), pipe seat (3), vertical tube cover (4), power transmission shaft (5) and pinch roller (8), transverse tube (1) and base (3) load, one end of vertical tube (2) is installed on the base (3), the other end is packed in the vertical tube cover (4), pass on the power transmission shaft (5) of vertical tube cover (4) and be fixed with pinch roller (8), it is characterized in that:
Also be fitted with encoder (9) on a, the power transmission shaft (5);
On b, the base (3) spring (7) is housed, an end of spring (7) is fixed on the transverse tube (1) with base (3) load, and the other end and vertical tube (2) offset.
2, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 1, it is characterized in that: described power transmission shaft (5) laterally passing from vertical tube cover (4), and pass through rolling bearing (6) load with vertical tube cover (4), the part that power transmission shaft (5) stretches out from vertical tube cover (4) two ends, an end are fixed with pinch roller (8) other end and encoder (9) load.
3, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 2 is characterized in that: described power transmission shaft (5) load encoder (9) one ends also are equipped with pinch roller (8).
4, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 1 and 2 is characterized in that: the encoder (9) that described power transmission shaft (5) is gone up load is the hollow rotating encoder.
5, according to claim 1 or 3 described warp let-off speed-measuring feedback device of multi-axial warp knitting machine, it is characterized in that: described pinch roller (8) comprises aluminum hub (8-1) and bala gutta circle (8-2).
6, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 1, it is characterized in that: described transverse tube (1) is sleeved on two lining (1-2) linings with flange, and by lining (1-2) and base (3) load, the two ends of base (3) offset with the flange of two linings respectively, and the outside of the flange of two linings (1-2) is respectively equipped with compacting ring (1-1) and the limit mounting plate (1-3) with transverse tube (1) load.
7, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 6, it is characterized in that: have the axial hole (1-1-2) that can insert spring (7) on the described compacting ring (1-1), compacting ring (1-1) is packed on the transverse tube (1) by pinching screw (1-1-1).
8, warp let-off speed-measuring feedback device of multi-axial warp knitting machine according to claim 1, it is characterized in that: described base (3) is provided with limiting iron (3-1), described transverse tube (1) passes base 3, being fixed with limit mounting plate (1-3), be fixed with lower limit screw (1-3-1), upper limit screw (1-3-2) and trip bolt (1-3-3) on the limit mounting plate (1-3) with the last corresponding side of limiting iron (3-1) that is provided with of base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100244950A CN101487165B (en) | 2009-02-25 | 2009-02-25 | Warp let-off speed-measuring feedback device of multi-axial warp knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100244950A CN101487165B (en) | 2009-02-25 | 2009-02-25 | Warp let-off speed-measuring feedback device of multi-axial warp knitting machine |
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| Publication Number | Publication Date |
|---|---|
| CN101487165A true CN101487165A (en) | 2009-07-22 |
| CN101487165B CN101487165B (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100244950A Expired - Fee Related CN101487165B (en) | 2009-02-25 | 2009-02-25 | Warp let-off speed-measuring feedback device of multi-axial warp knitting machine |
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| CN (1) | CN101487165B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929032A (en) * | 2010-08-02 | 2010-12-29 | 常州市中迈源纺织机械有限公司 | Full closed-loop electronic letting-off device |
| CN101942740A (en) * | 2010-08-02 | 2011-01-12 | 常州市中迈源纺织机械有限公司 | On-line detection device for warp beam of warp knitting machine |
| CN104846518A (en) * | 2015-04-08 | 2015-08-19 | 杭州创兴织造设备科技有限公司 | Quantitive yarn feeding device and working method thereof |
| CN107128806A (en) * | 2017-04-24 | 2017-09-05 | 李世强 | A kind of bridge crane coder installing device |
| CN109295608B (en) * | 2018-10-30 | 2024-04-19 | 常州市第八纺织机械有限公司 | Multi-axial warp knitting machine encoder speed increasing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3539782A (en) * | 1967-02-16 | 1970-11-10 | Burlington Industries Inc | Apparatus for measuring the length of yarn or the like consumed in a predetermined number of cycles of a cyclically operated machine such as a tricot knitting machine |
| DE4015763C1 (en) * | 1990-05-16 | 1991-10-24 | Liba Maschinenfabrik Gmbh, 8674 Naila, De | |
| DE4015784A1 (en) * | 1990-05-16 | 1991-11-21 | Liba Maschf | DEVICE FOR DIGITALLY MEASURING THE THREAD LENGTH OF THREADS DRAWN FROM A warp beam of a warp knitting machine |
| US5524461A (en) * | 1995-04-24 | 1996-06-11 | Techno-Craft, Inc. | Control system for yarn feed gearbox |
-
2009
- 2009-02-25 CN CN2009100244950A patent/CN101487165B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929032A (en) * | 2010-08-02 | 2010-12-29 | 常州市中迈源纺织机械有限公司 | Full closed-loop electronic letting-off device |
| CN101942740A (en) * | 2010-08-02 | 2011-01-12 | 常州市中迈源纺织机械有限公司 | On-line detection device for warp beam of warp knitting machine |
| CN101929032B (en) * | 2010-08-02 | 2014-09-24 | 常州市中迈源纺织机械有限公司 | Full closed-loop electronic letting-off device |
| CN104846518A (en) * | 2015-04-08 | 2015-08-19 | 杭州创兴织造设备科技有限公司 | Quantitive yarn feeding device and working method thereof |
| CN107128806A (en) * | 2017-04-24 | 2017-09-05 | 李世强 | A kind of bridge crane coder installing device |
| CN109295608B (en) * | 2018-10-30 | 2024-04-19 | 常州市第八纺织机械有限公司 | Multi-axial warp knitting machine encoder speed increasing device |
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| Publication number | Publication date |
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| CN101487165B (en) | 2011-01-05 |
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Granted publication date: 20110105 Termination date: 20160225 |