CN105274678A - Electromagnetic yarn tension constant device - Google Patents
Electromagnetic yarn tension constant device Download PDFInfo
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- CN105274678A CN105274678A CN201510726620.8A CN201510726620A CN105274678A CN 105274678 A CN105274678 A CN 105274678A CN 201510726620 A CN201510726620 A CN 201510726620A CN 105274678 A CN105274678 A CN 105274678A
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Abstract
The invention relates to an electromagnetic yarn tension constant device, which comprises a motor, a base, a roller, a mandrel, a magnetic-lag sleeve and a yarn guiding hook, wherein the roller is further internally provided with an armature and a stator shell, the armature is arranged inside the stator shell in a press-fitting manner, the stator shell is fixedly connected with the base, the armature is arranged at the front section of a cylinder support in a sleeved manner and corresponds to the magnetic-lag sleeve in position, an air gap is reserved between the armature and the magnetic-lag sleeve, an outgoing line in the armature penetrates out via a through hole and is connected with an external current adjusting device, and magnetic force torque is formed between the armature and the magnetic-lag sleeve after a coil is electrified. According to the invention, the roller is driven to rotate by a motor with constant rotating speed, the mandrel connected with the roller through a bearing further drives the magnetic-lag, which is fixed with the mandrel, to rotate, and the rotating magnetic-lag sleeve and the electrified armature form the constant magnetic torque in the air gap, thereby providing constant tension for the yarn guiding hook and a yarn. The size of constant torsion can be realized through adjusting the size of current by the external current adjusting device connected with the armature.
Description
Technical field
The invention belongs to spinning machinery field, what be specifically related to is a kind of device keeping yarn tension constant in cylinder yarn spinning process.
Background technology
In cylinder yarn spinning process, keep it constant being the key technology concerning a yarn quality quality, being also technological difficulties, especially a high-speed spinning of spinning machine to the accurate control of yarn tension.
Although the resultant yarn speed of spinning machine is constant, yarn twists in path in winding molding process and speed likely changes, and these factors can cause the tension variation of yarn.Therefore to obtain shaping cylinder yarn well, the constant tension device with winding speed change must be had to carry out stable yarn line tension.Because the demand of kind to tension force of different yarns is different, ensure that yarn tension also must ensure the convenience that Tensity size regulates while constant.
At present, ZL:20132047506 discloses a kind of similar yarn tension constant device, is made up of roller, mandrel, magnetosheath, magnetic hysteresis cover, block set, adjustment plate, annular tightening cover and twizzle; Roller end face has axis hole, and adjustment plate has axis hole; Roller intracavity bottom be installed with one with the cylinder stent of its dead in line, the inside and outside wall of cylinder stent all has screw thread; Mandrel is arranged in cylinder stent, and two ends lay respectively on the axis hole of roller end face and the axis hole of adjustment plate; Magnetosheath is fixedly set in mandrel rear side surface, magnetic hysteresis cover is fixed in block set, or magnetosheath is fixed in block set, magnetic hysteresis cover is fixedly set in mandrel rear side surface; Block set spinning is in cylinder stent and magnetosheath and magnetic hysteresis cover forming section cover are connected, and cover company headquarters leaves air gap between two surfaces dividing; Adjustment plate block set below and itself and grafting; Annular tightening cover spinning cylinder stent bead and adjustment plate is pushed against; The hook seat of twizzle is fixedly connected on the front end of mandrel.
In spinning process, roller in existing yarn tension constant device is by driven by motor, its rotating speed is constant, magnetosheath in the block set be fixedly connected with roller and block set or magnetic hysteresis are overlapped and are rotated thereupon, the magnetosheath rotated or magnetic hysteresis cover can produce magnetic torque to the magnetic hysteresis cover of the correspondence on mandrel or magnetosheath, this magnetic torque is constant, and provides a constant torsion for twizzle.This torsion is applied on yarn, ensures that yarn tension is constant.Can be changed the axial location of block set by turn adjustment plate, area magnetosheath and magnetic hysteresis cover being nested connect and the size of magnetic torque are changed, and the tension force that the torque magnitude of twizzle and twizzle can be made to be applied to yarn is adjusted.
But because different yarn varieties is different to the requirement of tension force, need often to adjust tension force, the weak point of existing apparatus is, single ingot that is adjusted to of Tensity size is regulated, and not easily detects, and be not suitable for many ingots position rapid adjustment.In addition, the magnetic property coherence request of existing yarn tension constant device to the machining accuracy of magnetosheath and each magnetic pole is higher.
Summary of the invention
In view of this, the invention provides a kind of electromagnetic type yarn tension constant device, produce stable magnetic energy by the electric energy precisely controlled, and then make magnetic energy and magnetic hysteresis body form constant magnetic torque, to realize accurately controlling yarn tension and keeping it constant.What utilize electric current is convenient to scalability simultaneously, by the adjustment to size of current, realizes the adjustment in batches to yarn tension easily.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic type yarn tension constant device, comprise motor, base, roller, mandrel, magnetic hysteresis cover and twizzle, the inner chamber of described roller is installed with a cylinder stent, the axis of this cylinder stent and the dead in line of roller, the rear end of described roller is sleeved on base, the power output shaft of motor is fixedly connected with the back segment of cylinder stent through base, described magnetic hysteresis cover is fixed on the axle body of mandrel, mandrel and magnetic hysteresis cover are positioned at the leading portion of cylinder stent, the two ends of mandrel are connected with cylinder stent by bearing, gap is left between the rear end of mandrel and the power output shaft of motor, described twizzle is fixed in the front end of mandrel, the hook seat of twizzle is fixedly connected with mandrel, hook yarn portion's inflection of twizzle is suspended from the top of roller, it is characterized in that: in described roller, be also provided with armature and stator case, armature is fitted in stator case inside, stator case is fixedly connected with described base, the leading portion that armature is sleeved on cylinder stent is corresponding with the position that magnetic hysteresis is overlapped, armature and magnetic hysteresis leave air gap between overlapping, lead-out wire in armature passes and is connected with foreign current regulator from through hole, after coil electricity, magnetic force distance is formed in air gap between armature and magnetic hysteresis overlap.
Further, described armature comprises magnetic links, coil, insulator and lead-out wire, coil winding is on magnetic links, coil after winding with the central point of magnetic links for symmetric points distribute, insulator is arranged between magnetic links and coil, and lead-out wire is connected with coil and passes from the through hole of described stator case.
Further, the magnetic links of described winding around can form 6 or 8 magnetic poles, and adjacent pole is contrary.
Further, be provided with damper between described motor and base, this damper comprises cross connecting plate and longitudinal connecting plate, and be provided with rubber blanket between two connecting plates, wherein cross connecting plate is connected with motor, and longitudinal connecting plate is connected with base.
Further, described mandrel is hollow shaft, and described twizzle is connected to the front end of mandrel.
Further, the front end of described cylinder stent is provided with collar, the axial displacement that the front end of collar and described mandrel offsets for limiting mandrel.
Further, between described stator case and base, be provided with adjustment pad, for adjusting the position of stator case on cylinder stent.
Beneficial effect of the present invention is, the driven by motor roller with constant rotational speed rotates, and the mandrel be connected with roller by bearing is driven magnetic hysteresis fixing with it to overlap again and rotates, and the magnetic hysteresis cover of rotation and the armature of energising form constant magnetic torque between air gap.This constant magnetic torque provides a constant torsion for twizzle, and then provides a constant tension force for yarn.The size that the size of constant torsion adjusts electric current by the foreign current adjusting device be connected with armature realizes.It can thus be appreciated that the present invention not only can provide a constant torsion for twizzle, and only adjust the size of size of current just torque-adjustable, the batch, fast and adjust accurately of torsion can also be carried out the twizzle of many ingots position.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention.
Fig. 2 is the structural representation of armature and magnetic hysteresis cover in Fig. 1.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is the structural representation of damper in Fig. 1.
Fig. 5 is the A direction view of Fig. 4.
In figure: 1. motor, 2. damper, 201. cross connecting plates, 202. rubber blankets, 203. longitudinal connecting plates, 3. base, 4. screw, 5. stem, 6. adjust pad, 7. bearing, 8. armature, 801. lead-out wires, 802. coils, 803. magnetic links, 804. magnetic lines of force, 805. insulators, 806. screws, 9. stator case, 10. magnetic hysteresis cover, 11. mandrels, 12. collars, 13. twizzles, 14. bearings, 15. rollers, 1501. cylinder stents.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of electromagnetic type yarn tension constant device, comprises motor 1, base 3, roller 15, mandrel 11, magnetic hysteresis cover 10 and twizzle 13.The inner chamber of roller 15 is installed with a cylinder stent 1501, the axis of this cylinder stent 1501 and the dead in line of roller 15.On the base 3, roller 15 and base 3 form matched in clearance to the rear end suit of roller 15.The power output shaft of motor 1 is fixedly connected with by screw 4 with the back segment of cylinder stent 1501 through base 3.Such motor 1 is when driving roller 15 to rotate, and base 3 can not rotate thereupon.Magnetic hysteresis cover 10 is fixed on the axle body of mandrel 11, and mandrel 11 and magnetic hysteresis cover 10 are positioned at the leading portion of cylinder stent 1501.The two ends of mandrel 11 are connected with cylinder stent 1501 with bearing 14 by bearing 7.Wherein, gap is left between the rear end of mandrel 11 and the power output shaft of motor 1; Twizzle 13 is fixed in the front end of mandrel 11, and the hook seat of twizzle 13 is fixedly connected with mandrel 11, and hook yarn portion's inflection of twizzle 13 is suspended from the top of roller 15.Mandrel 11 can be set to hollow shaft in the present invention, and twizzle 13 is connected to the front end of mandrel 11.
As shown in Figure 1, in order to avoid mandrel 11 occurs displacement on axial location, therefore arrange a collar 12 in the front end of cylinder stent 1501, collar 12 offsets with the front end of mandrel 11.
As shown in Figure 1 to Figure 3, be also provided with armature 8 and stator case 9 in roller 15, it is inner that armature 8 is fitted in stator case 9, is fixedly connected with between stator case 9 with base 3 by screw 806.The leading portion that armature 8 is sleeved on cylinder stent 1501 is corresponding with the position that magnetic hysteresis overlaps 10, armature 8 and magnetic hysteresis leave air gap between overlapping 10, lead-out wire 801 in armature 8 passes and is connected with foreign current regulator from through hole, coil 802 forms magnetic torque after being energized in the air gap that armature 8 and magnetic hysteresis overlap between 10.In the present invention, armature 8 comprises magnetic links 803, coil 802, insulator 805 and lead-out wire 801, coil 802 is wrapped on magnetic links 803, coil 802 after winding with the central point of magnetic links 803 for symmetric points distribute, insulator 805 is arranged between magnetic links 803 and coil 802, lead-out wire 801 is connected with coil 802 and passes from the through hole of stator case 9, can a built-in stem 5 in this through hole.
As shown in Figure 3, after energising, the magnetic links 803 being wound with coil 802 can form 6 or 8 magnetic poles, and adjacent pole is contrary.The magnetic line of force 804 on armature as shown in Figure 3,
As shown in Figure 1, be provided with between stator case 9 and base 3 and adjust pad 6, can be used to like this adjust the position of stator case 9 on cylinder stent 1501.So just, can at initial adjustment timing signal, every part constant tension device connects the electric current of formed objects, the axial location that armature 8 and magnetic hysteresis overlap 10 is changed by increase and decrease adjustment pad 6, in order to regulate the active area of induced field in the same size to the initial magnetic torque calibrating every part constant tension device, eliminate the difference between individuality.
Can vibrations be produced due to during motor 1 low-frequency start, in order to avoid these vibrations are on the impact of stability of the present invention, therefore the damper 2 that is used for absorbing low-frequency vibration is set between motor 1 and base 3.As shown in Figure 4 and Figure 5, damper 2 comprises between cross connecting plate 201 and longitudinal connecting plate 203, two connecting plates and is provided with rubber blanket 202, and this rubber blanket 202 hardness is moderate, and is injection molded into cross connecting plate 201 and longitudinal connecting plate 203 and is integrated.Wherein, cross connecting plate 201 is provided with screwed hole for being connected with motor 1, and longitudinal connecting plate 203 is provided with screwed hole for being connected with base 3.
The present invention at reel for yarn around beginning, yarn can have part Yarn storing on roller 15 through roller 15, in winding process, if the tension force of yarn is less than the torsion on twizzle 13, when being namely less than the setting tension force of yarn, yarn can be stored on roller 15 roller by the guiding of twizzle 13, makes the tension force of yarn increase to setting value; If the tension force of yarn is greater than the torsion on twizzle 13, when being namely greater than the setting tension force of yarn, yarn can be discharged from roller 15 roller by twizzle 13, makes the tension force of yarn reduce to setting value.
In the present invention, armature 8 and magnetic hysteresis overlap induced magnetic field force between 10 for twizzle 13 provides accurate, constant torsion, and size of current is easy to realize accurate control, avoids the high and high manufacture difficulty brought of machining accuracy of permanent magnet part material requirement; The unified setting of size of current, during cylinder yarn variety variations, tension adjustment only need adjust size of current, and size of current is easy to accurately control and good stability, and this mechanism ensure that the high accuracy of tension adjustment, high flexibility and high reliability.Therefore tension force of the present invention is applicable to the requirement of accurate cylinder yarn winding, and tension adjustment realizes Automated condtrol.
Claims (7)
1. an electromagnetic type yarn tension constant device, comprise motor, base, roller, mandrel, magnetic hysteresis cover and twizzle, the inner chamber of described roller is installed with a cylinder stent, the axis of this cylinder stent and the dead in line of roller, the rear end of described roller is sleeved on base, the power output shaft of motor is fixedly connected with the back segment of cylinder stent through base, described magnetic hysteresis cover is fixed on the axle body of mandrel, mandrel and magnetic hysteresis cover are positioned at the leading portion of cylinder stent, the two ends of mandrel are connected with cylinder stent by bearing, gap is left between the rear end of mandrel and the power output shaft of motor, described twizzle is fixed in the front end of mandrel, the hook seat of twizzle is fixedly connected with mandrel, hook yarn portion's inflection of twizzle is suspended from the top of roller, it is characterized in that: in described roller, be also provided with armature and stator case, armature is fitted in stator case inside, stator case is fixedly connected with described base, the leading portion that armature is sleeved on cylinder stent is corresponding with the position that magnetic hysteresis is overlapped, armature and magnetic hysteresis leave air gap between overlapping, lead-out wire in armature passes and is connected with foreign current regulator from through hole, after coil electricity, magnetic force distance is formed in air gap between armature and magnetic hysteresis overlap.
2. a kind of electromagnetic type yarn tension constant device as claimed in claim 1, it is characterized in that: described armature comprises magnetic links, coil, insulator and lead-out wire, coil winding is on magnetic links, coil after winding with the central point of magnetic links for symmetric points distribute, insulator is arranged between magnetic links and coil, and lead-out wire is connected with coil and passes from the through hole of described stator case.
3. a kind of electromagnetic type yarn tension constant device as claimed in claim 2, is characterized in that: the magnetic links of described winding around can form 6 or 8 magnetic poles, and adjacent pole is contrary.
4. a kind of electromagnetic type yarn tension constant device as claimed in claim 1, it is characterized in that: between described motor and base, be provided with damper, this damper comprises cross connecting plate and longitudinal connecting plate, rubber blanket is provided with between two connecting plates, wherein cross connecting plate is connected with motor, and longitudinal connecting plate is connected with base.
5. a kind of electromagnetic type yarn tension constant device as claimed in claim 1, is characterized in that: described mandrel is hollow shaft, and described twizzle is connected to the front end of mandrel.
6. a kind of electromagnetic type yarn tension constant device as claimed in claim 1, is characterized in that: the front end of described cylinder stent is provided with collar, the axial displacement that the front end of collar and described mandrel offsets for limiting mandrel.
7. a kind of electromagnetic type yarn tension constant device as claimed in claim 1, is characterized in that: be provided with adjustment pad between described stator case and base, for adjusting the position of stator case on cylinder stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726620.8A CN105274678B (en) | 2015-10-22 | 2015-10-22 | A kind of electromagnetic type yarn tension constant device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726620.8A CN105274678B (en) | 2015-10-22 | 2015-10-22 | A kind of electromagnetic type yarn tension constant device |
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| Publication Number | Publication Date |
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| CN105274678A true CN105274678A (en) | 2016-01-27 |
| CN105274678B CN105274678B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510726620.8A Active CN105274678B (en) | 2015-10-22 | 2015-10-22 | A kind of electromagnetic type yarn tension constant device |
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| CN (1) | CN105274678B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265152A (en) * | 2017-06-09 | 2017-10-20 | 浙江汇锋薄膜科技有限公司 | A kind of blowing tensioning apparatus on the Preparation equipment of conductive film |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
| WO2022183781A1 (en) * | 2021-03-02 | 2022-09-09 | 联亚智能科技（苏州）有限公司 | Spindle tension control apparatus, and payoff tension control system and method |
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| CN2683672Y (en) * | 2003-12-31 | 2005-03-09 | 李海滨 | Outer yarn tensioner |
| EP1717182A2 (en) * | 2005-04-28 | 2006-11-02 | Murata Kikai Kabushiki Kaisha | Yarn slack eliminating device in textile machine |
| CN203451716U (en) * | 2013-07-27 | 2014-02-26 | 陕西华燕航空仪表有限公司 | Yarn tension constant device |
| CN205133866U (en) * | 2015-10-22 | 2016-04-06 | 陕西华燕航空仪表有限公司 | Invariable device of electromagnetic type yarn tension |
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2015
- 2015-10-22 CN CN201510726620.8A patent/CN105274678B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2683672Y (en) * | 2003-12-31 | 2005-03-09 | 李海滨 | Outer yarn tensioner |
| EP1717182A2 (en) * | 2005-04-28 | 2006-11-02 | Murata Kikai Kabushiki Kaisha | Yarn slack eliminating device in textile machine |
| CN203451716U (en) * | 2013-07-27 | 2014-02-26 | 陕西华燕航空仪表有限公司 | Yarn tension constant device |
| CN205133866U (en) * | 2015-10-22 | 2016-04-06 | 陕西华燕航空仪表有限公司 | Invariable device of electromagnetic type yarn tension |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265152A (en) * | 2017-06-09 | 2017-10-20 | 浙江汇锋薄膜科技有限公司 | A kind of blowing tensioning apparatus on the Preparation equipment of conductive film |
| CN113005589A (en) * | 2021-02-10 | 2021-06-22 | 南京航空航天大学 | Electromagnetic hysteresis yarn tensioner |
| WO2022183781A1 (en) * | 2021-03-02 | 2022-09-09 | 联亚智能科技（苏州）有限公司 | Spindle tension control apparatus, and payoff tension control system and method |
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|---|---|
| CN105274678B (en) | 2018-03-13 |
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