CN102021699A - Frictional false twisting device - Google Patents
Frictional false twisting device Download PDFInfo
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- CN102021699A CN102021699A CN2009102088463A CN200910208846A CN102021699A CN 102021699 A CN102021699 A CN 102021699A CN 2009102088463 A CN2009102088463 A CN 2009102088463A CN 200910208846 A CN200910208846 A CN 200910208846A CN 102021699 A CN102021699 A CN 102021699A
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- spindle
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- rolling bearing
- spindle axis
- false twist
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Abstract
A frictional false twisting device for deformably combining filament comprises three friction spindles, wherein a distance (B) between axes can be steplessly adjusted with a small scale; the friction spindles according to charts 1 to 5 can be freely adjusted in space; and an arranged damper can influence the resonance of a critical rotate speed so as to keep the resonance is out of the working scope of the friction spindles. Besides, the frictional device can be opened so as to be easily controlled.
Description
Technical field
The present invention relates to a kind of friction false twist equipment, hereinafter referred to as " friction device ", it is used in textile machinery (so-called Texturized machine), and the long filament that this textile machinery will synthesize manufacturing is processed into Production Example such as Ms's stocking, swimming and sportswear etc. thus.This friction device is the core component of textile machinery.
Background technology
In friction device, there are three friction spindles.So far this friction spindle jointly drives by flat belt, perhaps each friction device is individually by a Motor Drive, this motor is via a spindle in three spindles of an odontoid belt driving, and two additional spindles drive with identical rotating speed by another odontoid belt, and this odontoid belt surrounds all three spindles.In this way, produce 6000 to 20000 rev/mins spindle rotating speed according to institute's material processed.Known according to prior art (for example DE4110464A1) by electric motor driven other friction device in, motor flange is connected the below of friction device and is connected with one of described friction spindle by shaft coupling, but move with identical rotating speed around spindle, operation easily uses maximum three odontoid belts to be used to drive spindle if friction device will be opened.
Can utilize 6000 to 20000 rev/mins working range, if at the needs friction spindle, wherein the resonance of critical speed is not in the working range of expectation.Expectation is in addition, each spindle distance between axles each other can infinitely be regulated by less yardstick, because when the very thin long filament of deformation processing, so-called when for example having the micro filament of 7 mono filaments only or having the thick long filament of 400 single long filaments for example, the geometry of the long filament on the radius at texturising disc under the situation of identical distance between axles is different and can has other diameter or other texturising disc of other radius is affected by installation.For every kind of material is obtained best adjusting, need many dishes, therefore expect very much the step-less adjustment of the distance between axles of spindle, therefore only utilize a texturising disc type dissimilar as far as possible material of deformation processing best, and need not to change too much, so that can use adjusting as well as possible to every kind of material.Improve the quality of the material of deformation processing thus.
Known a kind of friction device in EP 0571580B1, wherein there is not the resonance of critical speed in 6000 to 20000 rev/mins working range.In the friction spindle in this equipment, the frcition damper of dish type form of springs is installed on the floating bearing of bearing arrangement, and it is pressed onto by its axial force on the end face of outer shroud of rolling bearing and with the radial motion of the axle of the yardstick damping friction spindle of expectation.The energy consumption of electric motor driven friction device is 220W according to prior art, because use the odontoid belt of being made by rubber.
Up to now, do not have known a kind of such friction device, wherein the distance between axles of friction spindle can infinitely be regulated with less yardstick.
Expectation is in addition, reduces the energy consumption of texturing machine.
Summary of the invention
The objective of the invention is to: the distance between axles that realizes the friction spindle axle in the friction device with than small scale for example ± step-less adjustment of 1mm.
In addition, the objective of the invention is to improve the vibration characteristics of friction spindle by suitable damping, thereby can be owing to resonance does not appear in critical speed in 6000 to 20000 rev/mins scope, and the deflection of spindle axis remains in the narrow restricted portion of 100my.
At last, the energy consumption that is used to drive friction device reduces up to 80% for each friction device.
Distance between axles can realize thus with the adjusting stepless than small scale, supports prejudicially with little yardstick because the friction spindle axle is installed in the overall diameter of sleeve wherein with respect to spindle.If three spindles of equipment are installed in the upper base and rotation therein,, obtain each spindle greater or lesser distance between axles each other by existing eccentric throw so according to the position of overall diameter with respect to the spindle center.Condition for the intact function of friction device is that the mutual distance between axles of spindle all is identical after each the adjusting, that is each spindle axis must reciprocally be positioned at an isosceles triangle.This requires by this structure satisfied, because the step-less adjustment of the mutual distance between axles of spindle axis realizes in simple mode in the size of existing eccentric throw.For the adjusting that makes selected distance between axles is easier, the position of the high-order bit of eccentric throw and the position on the end face of spindle cover represent that by scale mark it limits by having the scale of dividing by degree again, and described scale is arranged on the matrix securely.The spindle cover can rotate corresponding value without a doubt by aid in matrix, support spindle axis prejudicially in described spindle cover.
The present invention also aims to, avoid the resonance of the critical speed in 6000 to 20000 rev/mins working range by using annular magnet two homopolarities in the annular gap, that make by rare earth element.Wherein annular magnet not only replaces the rolling bearing (as PCT/EP2006/004269) of spindle, and the strong magnetic force that repels each other by two annular magnets produces enough big damping in the annular gap simultaneously, and it will be passed in the resonance under the rotating speed of working range.It except the function that annular magnet rolling bearing also that additionally install, that have very large bearing clearance has is in this embodiment: the adjusting of spindle axis in the space is limited in the size of bearing clearance of rolling bearing.In this support arrangement, the friction spindle axle can adjust in the space accordingly with its rotating speed and as long as the quality of rotating speed or motion does not change, described adjustment does not change.
In another embodiment, avoid the resonance in 6000 to 20000 rev/mins working range, because by use two that repel each other, constitute by rare earth element, produce big uniform axial annular power with the annular magnet of the axial opposed installation of homopolarity, this annular power in the axial direction so securely presses against frcition damper on its side the outer shroud of the rolling bearing on top, make to produce enough big frictional damping, in the scope of expectation, to stop resonance.Wherein the O shape circle of being made by special rubber composition of installing around the overall diameter of rolling bearing guarantees that the radial deflection of spindle remains in the narrow restricted portion, and the friction spindle axle can be adjusted in the space according to its rotating speed in this supporting structure, and as long as the quality of rotating speed or motion does not change, described position does not change.
Can realize energy saving, at least one spindle, be located at and (see DE102005023928) between each bearing position and guarantee by the gear and the idler gear that are in interlocking for spindle " direction of rotation in the same way " each other of function necessity of friction device because be used to drive the motor of spindle greater than 80%.Only need to overcome the friction between rolling element friction and the gear in this way, because motor does not have torque lock.Energy saving greater than 80% can realize that because do not re-use odontoid belt and odontoid belt, and the working in reciprocating mode of friction between the pinion and rubber odontoid belt inside no longer exists in this structure.
Description of drawings
Fig. 1 illustrates the embodiment of the friction spindle with integrated motor, and wherein spindle axis is eccentric in the overall diameter supporting of spindle cover;
Fig. 2 illustrates the embodiment of the friction spindle with integrated motor, and wherein spindle axis is eccentric in the overall diameter supporting of spindle cover;
Fig. 3 illustrates the embodiment of the friction spindle with integrated motor, and wherein spindle axis is eccentric in the overall diameter supporting of spindle cover equally, and the supporting of spindle axis in upper area realizes with so-called integrated frame mode.Saved the interior ring of rolling bearing at this;
Figure 4 and 5 illustrate the additional embodiments that has and do not have the friction spindle of motor respectively, wherein realize the resonance and the supporting of spindle axis by annular magnet strong, homopolarity in the annular gap.Except annular magnet, the rolling bearing that is installed in annular magnet next door with very large bearing clearance only is used for the adjusting of spindle axis in the space is limited to the value of bearing clearance;
Fig. 6 and 7 illustrates the cutaway view and the upward view of the top part of friction device respectively, the friction spindle that comprises three installations, integrated motor is installed one of them spindle and two spindles are not installed integrated motor, in addition, Fig. 6 and 7 also illustrates the scheme by the straight spinning line (Fadenlauf) of friction device, connector from the top part of friction device to the bottom part of unshowned friction device connects, be used to open and close the scheme of friction device and friction spindle in the matrix of the top of friction device part with the mark divided by degree and the regulation scheme of scale.
The specific embodiment
Fig. 1 and Fig. 2 illustrate two embodiments of friction spindle, and wherein the difference of Fig. 1 and Fig. 2 only is that Fig. 1 is provided with motor, and Fig. 2 is not provided with motor.In addition, Fig. 1 and Fig. 2 also illustrate spindle axis 2 and have eccentric throw " e " with respect to the overall diameter of spindle cover 1.Between the rolling bearing 4 of the rolling bearing 3 on top and bottom in the integrated motor, the controller of motor is integrated in of motor itself.
In addition, Fig. 1 and Fig. 2 illustrate spindle axis and have so-called damper around the rolling bearing 3 on top.Damper is integrated in the friction device of Fig. 1 and Fig. 2, so that avoid the resonance of the critical speed in 6000 to 20000 rev/mins working range.Critical speed so realizes in the skew of 6000 rev/mins resonance, because two mutual repulsions, homopolarity in the annular gap 9, constitute by rare earth element, annular magnet 7 with annular spacing installation closely, 8 by spacer ring 14, the outer shroud 10 of 15 pairs of rolling bearings 3 applies a uniform axial annular power, this annular power enough so presses against mounted thin frcition damper 12 with the outer shroud 10 of the rolling bearing 3 on top with the side 11 of its outer shroud in the axial direction securely, make and produce enough big frictional damping, this frictional damping stops resonance in the scope of expectation
Wherein the O shape of the installation of being made by special rubber composition circle 13 guarantees that the radial deflection of spindle remains in the narrow restricted portion, and in this supporting structure, friction spindle axle 2 is according to its rotational speed regulation in the space, and as long as the quality of rotating speed or motion does not change, the position does not change.
The difference of Fig. 3 and Fig. 1 only is: do not have the interior ring 16 of rolling bearing 3, because rolling element 17 directly moves at a rolling element raceway 18, it is positioned on the friction spindle axle 2.
In Fig. 4 and Fig. 5 of the embodiment that is different from Fig. 1 to Fig. 3, supporting and damping (that is: make critical speed in the resonance shift under 6000 rev/mins) realize by the very large magnetic force that in annular gap 22, works, this magnetic force produces by the annular magnet 19,20 of homopolarity, wherein annular magnet 20 is fixedly mounted on the spindle axis 2, and annular magnet 19 is fixedly mounted in the spindle cover 1.The rolling bearing 21 that is configured with very large bearing clearance is not born supporting, but only the adjusting of spindle axis 2 in the space is limited on the value of bearing clearance of rolling bearing 21, and it is last to help that rotor 23 is remained on required distance to the annular gap of stator 24.Also stop two annular magnets 19,20 in annular gap 21, can be in contact with one another by this way, the functional fault of a big radial load occurs spindle axis 2 is applied.
The friction spindle that Fig. 6 and Fig. 7 illustrate by Fig. 1 and Fig. 2 is installed in the upper base 25.Arrow " Y " and being shown in dotted line along Y direction movable upper matrix 37, it seamlessly is bearing in upper base 25 on the axle 29, and whenever can open and close, so that long filament to be out of shape is very easy to and enters into simply between the unshowned stacked texturising disc.By in the friction device of prior art, in the straight spinning line of realizing by upper base 25 26, can not open upper base 25.Because each bending of material to be out of shape all can cause quality impairment, realize having great importance by the straight spinning line 26 of upper base 25.
At upper base 25 integrated plug-in connectors 27, it will be connected with control circuit and energy circuit by the motor 5 of the friction spindle of Fig. 1, and supplies with motor 5 required control and energy via unshowned bottom matrix.
In another embodiment, be used for the controller circuit board of motor and other the drive motor 5 required electronic modules that are used for and be installed in housing 34, it directly is fixed in the upper body 25.By this way, a unit that is made of mechanical organ and being used to drives the embodiment that the essential electronic installation in this unit forms a kind of such complete friction device.The purpose of this measure is to make the easier and minimizing cost of control.
Can add lubricating oil to rolling bearing 3 and 21 by hole 35, and can add lubricating oil to rolling bearing 4 by hole 36.
List of numerals
1 spindle cover
2 spindle axis
The rolling bearing on 3 tops
The rolling bearing of 4 bottoms
5 motor
6 are integrated in the controller in the motor
7 annular magnets that constitute by rare earth element
8 annular magnets that constitute by rare earth element
9 annular gaps between each annular magnet
The outer shroud of 10 rolling bearings 3
The side of the outer shroud of 11 rolling bearings 3
12 frcition dampers
The 13 O shapes that are made of special rubber composition are enclosed
14 spacer rings
15 spacer rings
The interior ring of 16 rolling bearings 3
The rolling element of 17 rolling bearings 3
18 rolling element raceways
19 annular magnets that constitute by rare earth element
20 annular magnets that constitute by rare earth element
21 have the top rolling bearing of the bearing clearance of increasing
22 radial ringed gaps
The rotor of 23 motor 5
The stator of 24 motor 5
The matrix on 25 tops
26 straight spinning lines
27 are used to control the plug-in connector with the energy circuit
28 are used for the axle of idler gear
29 are used for the axle of idler gear
30 gears on spindle axis 2
31 scale marks on spindle cover 1
32 scales by ° division
33 via holes
34 are used for the housing of control circuit board and electronic component
35 are used for the lubrication hole of rolling bearing 3 and 21
36 are used for the lubrication hole of rolling bearing 4
The upper base of 37 activities
Arrow " Y "
The distance between axles of B isosceles triangle
Claims (10)
1. according to the friction false twist equipment that is used to be out of shape synthetic thread of Fig. 6 and Fig. 7, comprise one according to Fig. 1, the friction spindle of Fig. 3 or Fig. 4 and two friction spindles according to Fig. 2 or Fig. 5, described friction spindle has the spindle axis freely (2) that overhangs in a side, and have supporting and drive area at opposite side, it is characterized in that, spindle axis (2) is made with little eccentric throw (e) with respect to spindle cover (1), the effect of this eccentric throw is: the distance between axles (B) of coming to change infinitely and equably isosceles triangle by the rotation of the spindle cover (1) in upper base (25), wherein in Fig. 4 and Fig. 5, have the annular magnet (19) that is installed in the spindle cover (1) and be installed in annular magnet (20) on the spindle axis (2), described annular magnet is by opposed in annular gap (22), magnetic force with its big opposing guarantees the magnetic pole of the same name of supporting spindle axis (2) and also sets up enough big damping simultaneously by onesize magnetic force, this damping allow spindle axis (2) adjust on the desired axis according to the imbalance that exists and thereby in 6000 rev/mins to 20000 rev/mins working range, avoid the resonance of the appearance of critical speed, wherein being installed in the other rolling bearing (21) of annular magnet constitutes with big bearing clearance, make this rolling bearing not participate in the supporting of spindle axis (2), but only bear such function, that is: with the spindle axis (2) adjusted in its upper limit of movement system on the value of bearing clearance, the deflection of spindle axis (2) should be greater than the bearing clearance of rolling bearing (21).
2. friction false twist equipment according to claim 1, it is characterized in that, according to Fig. 1, the friction spindle of Fig. 2 and Fig. 3 repels each other with the rolling bearing (3) on top and two, homopolarity, constitute by rare earth element, annular magnet (7 with spacing (9) installation closely, 8) produce big uniform axial annular power, this annular power presses against the outer shroud (10) of the rolling bearing (3) on top on the frcition damper (12) in the axial direction so securely with its side (11), make and produce enough big frictional damping, in the scope of expectation, to stop resonance, wherein the O shape of the installation of being made by special rubber composition circle (13) is guaranteed spindle, because the radial motion that the imbalance that exists produces remains in the narrow restricted portion, and friction spindle axle (2) can be adjusted on the desired axis in the space according to its rotating speed and quality in this supporting structure, and as long as rotating speed or quality do not change, described position does not change.
3. according to claim 1 and 2 described friction false twist equipment, it is characterized in that, long filament can be guided the free space (26) that passes upper base (25) as the crow flies from top to bottom when distortion, wherein in order to embed long filament, movable parts (37) can be opened into and make that each frictional disk of installing is no longer overlapping in space (26) under the state that assembles fully of friction device.
4. according to claim 1 and 2 described friction false twist equipment, it is characterized in that, can be infinitely be adjusted in distance between axles (B) in the isosceles triangle of spindle axis (2) by the spindle cover (1) in upper base (25) by the instrument in hole (33) and unshowned, the embedded hole (33) with little yardstick, if this instrument rotates to the left or to the right, the mark of the eccentric throw on the downside of spindle cover (1) (31) and be to adjust the essential stroke of described adjusting wherein around the effect of the scale of dividing by degree (32) of spindle cover.
5. according to claim 1 and 2 described friction false twist equipment, it is characterized in that, complete friction device comprises the matrix (25) and the unshowned lower part on top, the matrix of its middle and upper part (25) in Background Region, have be used for energy and control circuit, be the bullet connector of form with plug-in connector (27), when the matrix (25) with top was inserted on the lower part, this plug-in connector was connected with the counterpart that is arranged in the lower part without a doubt.
6. according to claim 1 and 2 described friction false twist equipment, it is characterized in that, in the side zones of the matrix (25) on top, there is a zone (34), in this zone, the control circuit board with respective electronic device can be installed reliably, with convenient control circuit board (26) is not to have installed or be integrated in the motor together and when having with being connected of plug-in connector (27), and realizes for the control of motor (5) there and therefrom motor (5) is connected with the energy circuit with control with plug-in connector (27).
7. according to claim 1 and 2 described friction false twist equipment, it is characterized in that, gear (30) by being used to drive spindle axis (2) and unshowned, be installed in idler gear on the axle (28 and 29) and be used in the required energy of the friction spindle according to Fig. 1 to Fig. 5 that drives all installations and reduce approximately 80%, it is made by special plastic material.
8. friction false twist equipment according to claim 2 is characterized in that, frcition damper (12) is provided with coating with the contact-making surface of the side of outer shroud (11), realizes higher or desired coefficient of friction by this coating.
According to claim 2, according to Fig. 1,2 and 3 friction spindle, it is characterized in that rolling bearing (3) replaces the interior ring (16) that exists usually integrated with spindle axis (2) and rolling element raceway (18) thereof.
According to claim 1 and 2, according to the friction spindle of Fig. 1 to Fig. 5, it is characterized in that rolling bearing (3,4,21) can pass through lubrication hole (35,36) and add lubricating oil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009041053.8 | 2009-09-10 | ||
| DE102009041053 | 2009-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102021699A true CN102021699A (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102088463A Pending CN102021699A (en) | 2009-09-10 | 2009-11-05 | Frictional false twisting device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088484A (en) * | 2011-10-31 | 2013-05-08 | 上海市毛麻纺织科学技术研究所 | Combined friction false twister device of ring spinning frame |
| EP2739773A2 (en) * | 2011-08-04 | 2014-06-11 | Schaeffler Technologies GmbH & Co. KG | Friction motor spindle and method for operation |
| WO2015007158A1 (en) * | 2013-07-19 | 2015-01-22 | 舍弗勒技术有限两合公司 | False twister spindle and false twister |
| WO2015055637A1 (en) * | 2013-10-18 | 2015-04-23 | Saurer Components Gmbh | Double friction unit having movable friction spindles |
| JP2016529407A (en) * | 2013-07-19 | 2016-09-23 | シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ | False twister and false twister |
| TWI551745B (en) * | 2013-12-18 | 2016-10-01 | Nat Inst Chung Shan Science & Technology | The friction plate structure of a false twisting device is improved |
| CN107988668A (en) * | 2017-12-14 | 2018-05-04 | 新昌县蓝翔机械有限公司 | A kind of distribution false twisting machine |
-
2009
- 2009-11-05 CN CN2009102088463A patent/CN102021699A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2739773A2 (en) * | 2011-08-04 | 2014-06-11 | Schaeffler Technologies GmbH & Co. KG | Friction motor spindle and method for operation |
| CN103088484A (en) * | 2011-10-31 | 2013-05-08 | 上海市毛麻纺织科学技术研究所 | Combined friction false twister device of ring spinning frame |
| WO2015007158A1 (en) * | 2013-07-19 | 2015-01-22 | 舍弗勒技术有限两合公司 | False twister spindle and false twister |
| JP2016525173A (en) * | 2013-07-19 | 2016-08-22 | シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ | False twister and false twister |
| JP2016529407A (en) * | 2013-07-19 | 2016-09-23 | シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ | False twister and false twister |
| EP3031963A4 (en) * | 2013-07-19 | 2017-03-22 | Schaeffler Technologies AG & Co. KG | False twister spindle and false twister |
| WO2015055637A1 (en) * | 2013-10-18 | 2015-04-23 | Saurer Components Gmbh | Double friction unit having movable friction spindles |
| CN105765120A (en) * | 2013-10-18 | 2016-07-13 | 苏拉部件有限公司 | Double friction unit having movable friction spindles |
| CN105765120B (en) * | 2013-10-18 | 2018-01-12 | 苏拉部件有限公司 | Double friction elements with the friction spindle that can be moved |
| TWI551745B (en) * | 2013-12-18 | 2016-10-01 | Nat Inst Chung Shan Science & Technology | The friction plate structure of a false twisting device is improved |
| CN107988668A (en) * | 2017-12-14 | 2018-05-04 | 新昌县蓝翔机械有限公司 | A kind of distribution false twisting machine |
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Application publication date: 20110420 |