CN1908264A - Spinning spindle assembly with damping device - Google Patents

Spinning spindle assembly with damping device Download PDF

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Publication number
CN1908264A
CN1908264A CNA2006101389652A CN200610138965A CN1908264A CN 1908264 A CN1908264 A CN 1908264A CN A2006101389652 A CNA2006101389652 A CN A2006101389652A CN 200610138965 A CN200610138965 A CN 200610138965A CN 1908264 A CN1908264 A CN 1908264A
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CN
China
Prior art keywords
spindle
permanent magnet
bolster
centering sleeve
sleeve
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.)
Pending
Application number
CNA2006101389652A
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Chinese (zh)
Inventor
桑杰·贾亚瓦尔圣万卢
佩里阿萨密·拉克希米·那里斯汉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lakshmi Machine Works Ltd
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Lakshmi Machine Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lakshmi Machine Works Ltd filed Critical Lakshmi Machine Works Ltd
Publication of CN1908264A publication Critical patent/CN1908264A/en
Pending legal-status Critical Current

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  • Spinning Or Twisting Of Yarns (AREA)

Abstract

A spindle assembly for spinning and twisting machine which includes: a top components; a rotary spindle blade with the top parts disposing on the top components; a spindle pedestal; a centering sleeve designed for containing the bottom of the spindle blade disposed on the spindle pedestal; at least one permanence magnet connected to the centering sleeve and at least one permanence magnet connected to the inner surface of the spindle pedestal, an air gap is provided between the two permanence magnets. the polarity of the permanence magnets are arranged to generate a repulsion force. The centering sleeve deviates from the original position in accordance with the mass imbalance generated during the cop forming process when the spindle rotates, as a result, the deviation generates a repulsive magnetic force pushing the centering sleeve to the revolving spindle, the axes of the centering sleeve and the spindle are aligned to provide a damping effect to the spindle assembly.

Description

The spinning spindle assembly that has damping unit
Technical field
The present invention relates to the spindle arrangement of a kind of textiles spinning and twisting mill.The present invention is specifically related to have the spindle arrangement by the spindle blade of magnetomechanical damping.
Background technology
Be used to spin and the known spindle of twisting mill comprises a upper member and bottom part.Upper member is become by member and has a shaft portion, and it can rotatably be supported in the base section, and has a conical part that is connected to upper member, so that carry the cone of a coiling yarn thereon.Bottom part comprises that an intermediate bearing and a vertical pivot bearing are to rotate the spindle unit that supports upper member.Bottom part also comprises the outer cover and the inner cover that are fixed to down rail, and it holds intermediate bearing and vertical pivot bearing by support component.Inner cover separates with outer cover by an annular gap.
Textiles spindle in spinning and twisting mill is operated with very high speed, even turns of spindle 22,000rpm.Yarn package is formed on bobbin, and it is common taper and is installed on the spindle.During the formation of package, yarn can occur usually about the mass unbalance of spindle axis, and this is inevitable.Because very high rotary speed is even very small imbalance also can cause higher oscillating load.It has been generally acknowledged that if the vibration that is produced by suitably damping, the vibration stress in spindle blade and the spring bearing can be minimized.
In the spindle assembling of known type was provided with, spindle blade was installed to be the intermediate portion axle journal is entered in the fixing journal bearing, and its lower end is supported in the ingot cup of an elasticity setting simultaneously.In such setting, journal bearing provides fulcrum or pivoting point, and spindle blade can be around this oscillation crosswise under the centrifugal forces affect that is caused by the imbalance in the spindle.Such power is resisted and damping by the damping and the centring means that move on lower ingot cup, and the ingot cup laterally moves at the lower end of spindle blade.
Usually make by cast iron or steel as the spindle bearing cage that bolster is known, and comprise the device of damping spindle vibration.Particularly, for example from German patent DE 2749389A1 as can be known, use oily coil.When the spindle running, the oil that is arranged in the annulus flow to a wide point from a narrow point.The merit that is produced has caused spinning or has added the damping of the vibration in the twist spindles.
Patent US5996326 discloses and a kind ofly has been used to spin or the spindle of twisting mill, and it comprises a vertical pivot bearing sleeve and a damping bobbin that holds described vertical pivot bearing sleeve; The damping bobbin is radially movably in bearing cage, bearing cage has the slit of filling the oil damping gap, the damping bobbin has been shortened in the damping gap and the whole of spindle moves radially, so spindle runs steadily more, and it allows the hydraulic pressure except hydraulic damping to center.
US5182901, US5359842 discloses the spinning of different damping vibrations and the installation method of twisting spindle arrangement with German patent DE 3043806 C2.
Summary of the invention
Main purpose of the present invention provide a kind of have the magnetically damped device that is used for spindle blade be used to weave the spindle arrangement of spinning and twisting mill.
An object of the present invention is to provide a kind of weaving spinning and twisting mill spindle arrangement of being used for, with by being installed in the magnet damping spindle blade on feel relieved sleeve and the bolster.
Another object of the present invention provides and a kind ofly is used to spin and the spindle arrangement of twisting mill, has the annular air slit so that mutual exclusion magnetic force to be provided between magnet.
Another object of the present invention provides a kind of spindle arrangement of be used to weave spinning and twisting mill, wherein has the centering sleeve that rotates spindle blade and utilizes magnetic force damped by keeping its initial rotating shaft.
Further purpose of the present invention provides a kind of spindle arrangement and member relevant with spindle arrangement that spindle blade vibrates that minimize of be used for weaving spinning and twisting mill.
The invention provides a kind of spindle arrangement that has the magnetic damping setting of be used to weave spinning and twisting mill, comprising: top component; The rotation spindle blade, its top section is arranged in the top component; The bottom part that has bolster; Be arranged on the centering sleeve in the bolster, described centering sleeve is set to hold the base section of spindle blade, at least one be arranged on centering on the sleeve permanent magnet and at least one be arranged on corresponding permanent magnet on the bolster inner surface, between permanent magnet, have the air gap.The polarity that is connected to the permanent magnet on centering sleeve and the bolster is provided with like this, so that the magnetic force that is produced repels each other.During the rotation of spindle, the sleeve of no matter when feeling relieved is because during cop forms or the mass unbalance that is produced in similarly and removing from its initial position, the air gap between the permanent magnet changes.This causes having produced mutual exclusion and repels magnetic force, and the rotating shaft that its trend is pushed the centering sleeve to spindle with the axis of the axis that guarantees the centering sleeve and spindle in line.
Brief Description Of Drawings
Fig. 1 has described according to the present invention the cross-sectional view of spinning spindle assembly.
Fig. 2 has described the cross-sectional, top view that has the spinning spindle assembly of annular magnet according to the present invention.
Fig. 3 is the zoomed-in view of the pin-bearing of spinning spindle assembly of the present invention, has described the setting of the magnet that is close to spindle blade.
Fig. 4 has described the cross-sectional, top view that has the spindle arrangement of segmentation magnet according to the present invention.
Fig. 5 has described the effect of the repulsion on the sleeve of feeling relieved according to the present invention.
The specific embodiment
Therefore, the invention provides a kind of spindle arrangement, its specific embodiment is passed through at first with reference to Tu1 ﹠amp; 3 explain.Spindle arrangement comprises a top component T and a bottom part B.Top component comprises a spindle blade 1 and one by the light material conical part 2 made of aluminium for example, and conical part 2 rigidity are engaged to spindle blade 1.The base section of conical part further is combined with the wharve parts 3 that are used for radially in conjunction with the cylindrical member of driving belt, is attached to the top component T of spindle so that will rotatablely move.
Bottom part B comprises bolster 4, and it accommodates spindle plug-in package 13.Spindle plug-in package 13 is press-fit into the bolster 4 as support component.Spindle plug-in package 13 comprises one at the intermediate bearing 12 of its top assembling and the centering sleeve 5 of the intermediate bearing that is close to 12 assemblings.The bottom of centering sleeve 5 side within it is provided with radial legs bearing 6 and axial pin bearing 7.Radial legs bearing 6 is pressed into the cylindrical inside profile that is engaged to the centering sleeve from 12 1 predetermined distances of intermediate bearing.Radial legs bearing 6 absorbs radial load, and axially pin bearing 7 absorbs the axial load that the rotation top component produces.
Permanent magnet 9 both can be that annular magnet also can be a segmentation magnet, the cylinder exterior contour that it cooperates centering sleeve 5 both can be that annular magnet also can be the cylindrical inside profile of another permanent magnet 10 of segmentation magnet at the part cooperation bolster 4 that links to each other with permanent magnet 9. Permanent magnet 9 and 10 is provided with coaxially to each other, and an annular air gap G is set between them.Air gap G between the magnet is approximately 0.5-4.0mm, and the length of annular gap G is approximately 5.0-30.0mm between the permanent magnet.In fact the magnetic force that is produced between the permanent magnet 9,10 that is connected to centering sleeve 5 and bolster 4 repel each other.For the magnetic force that repels each other is provided, used the magnetic principle, it shows identical magnetic pole mutual exclusion and opposite magnetic pole attracts each other.Two magnetic poles of magnet are north and south poles, and two power that magnet produces are repulsive force and attraction.In the present invention, the magnetic pole that is connected to the permanent magnet 9,10 of centering sleeve 5 and bolster 4 is provided with like this, so that the magnetic force that they produce is mutually exclusive.In the position of fixed magnet, an annular ring 14 of being made by the material that magnetic field is had high-resistance is set between the in-profile of permanent magnet 10 and bolster 4, for example stainless steel is magnetized so that prevent the spindle parts.Radial legs bearing 6 generally by the material of non-iron for example copper become so that provide minimum friction for the rotation of spindle blade.Because radial legs bearing 6 materials own are non magnetic materials, spindle blade 1 is not by magnet 9 magnetized danger.Used in the present invention axial pin bearing 7 is made by steel, but its can be magnetic also can be non magnetic material, thereby spindle blade since spindle blade and axially between the pin bearing because the existence of the centrifugal force air gap that produces during the spindle running does not have magnetized danger.
Between the cylinder exterior contour of profile and spindle blade 1 an annular gap g2 is set in the cylinder of centering sleeve 5, it fills lubricating oil in known manner.Not only lubricated pin bearing 6,7 of lubricating oil and lubricated intermediate bearing 12.Between the cylindrical outer profile of the cylindrical interior profile of bolster 4 and the sleeve 5 of feeling relieved, another annular gap g1 is set.By being arranged on a plurality of transverse holes 15 on the centering sleeve 5, annular gap g1 is communicated with annular gap g2.The parts of lubricating oil that is present among the g2 of annular gap also arrives annular gap g1, and can continue to stay and be used among the g1 of annular gap subsequently being used for lubricated in known manner pin bearing 6,7 and intermediate bearing 12 to annular gap g2.The bottom part of bolster 4 is closed by threaded packaged unit 11, and closure elements is equipped with potted component 8, and it keeps lubricating oil in case stopping leak reveals.
The setting of magnet in the present invention is illustrated in the mode of demonstration example.Magnet also can suitably be reorientated by the quantity and the position that change them, to realize the expectation purpose of damping spindle arrangement vibration.
Fig. 2 has described the top view of the cross section of the spindle arrangement that has annular magnet.Bolster 4 is cylindrical parts, and it has an inner cylinder profile that is used for setting element magnet 10.Centering sleeve 5 also is a cylindrical member, and it has one to be used for the coaxial exterior cylindrical profile that permanent magnet 9 is set.These permanent magnets are provided with an annular air gap G between them.Described magnet is installed in the position between the in-profile of the exterior contour of permanent magnet 10 and bolster 4, an annular ring 14 is set.The cross section of spindle blade 1 and radial legs bearing 6 are also shown in Figure 2.
Fig. 4 has described the cross-sectional, top view that has the spindle arrangement of segmentation magnet as optional embodiment.Bolster 4 is cylindrical parts, and it has an inner cylinder profile that is used to be provided with segmentation permanent magnet 10a.Centering sleeve 5 also is a cylindrical parts, and it has one to be used for the coaxial external cylindrical profile that another permanent magnet 9 is set.These permanent magnets are provided with an annular air gap G between them.Described magnet is installed in the position between the in-profile of the exterior contour of permanent magnet 10 and bolster 4, an annular ring 14 is set.The cross section of spindle blade 1 and radial legs bearing 6 also is illustrated in Fig. 4.
Working method of the present invention
Fig. 5 has described the repulsive interaction effect on the centering sleeve.The vibration of spindle blade 1 is passed to centering sleeve 5 by pin bearing 6,7.The vibration that is produced causes centering sleeve 5 laterally moving/skew on any direction of 360 degree.The skew of centering sleeve 5 has continuously changed the annular air gap G that flows between permanent magnet.The increase that reduces to cause the annular air gap G on the opposition side of one side ring shape air gap.Annular air gap G reduces to increase the magnetic force F that repels each other between the magnet 9,10 R, and its initial position is pushed centering sleeve 5 in the increase in the magnetic force that repels each other.The magnetic force F that repels each other that is produced between the permanent magnet RBe about 0.25-2.0Kg, it can be changed according to required.
By described setting, the centering sleeve 5 of spindle arrangement be tending towards setting like this it the position so that its always keep a straight line with the axle of spindle blade 1, and therefore described vibration is suppressed to normal level.

Claims (7)

1, a kind ofly be used to spin and the spindle arrangement of twisting mill, described spindle arrangement comprises: top component; The rotation spindle blade, its top section is arranged in the described top component; The bottom part that has bolster; Be arranged on the centering sleeve in the bolster, described centering sleeve is set to hold the base section of spindle blade; At least one be arranged on centering on the sleeve permanent magnet and at least one be arranged on corresponding permanent magnet on the bolster inner surface, between described permanent magnet, have the air gap.
2, spindle arrangement as claimed in claim 1, wherein the permanent magnet of bolster be annular or segmentation.
3, spindle arrangement as claimed in claim 1, the permanent magnet of the sleeve of wherein feeling relieved be annular or segmentation.
4, spindle arrangement as claimed in claim 1, the permanent magnet of the sleeve of wherein feeling relieved and the permanent magnet of bolster are coaxial and are connected with each other.
5, spindle arrangement as claimed in claim 1, the magnetic pole of the permanent magnet of the sleeve of wherein feeling relieved and the permanent magnet of bolster is opposite.
6, spindle arrangement as claimed in claim 1, wherein the permanent magnet of bolster is set in the inner annular circle of bolster.
7, spindle arrangement as claimed in claim 6, wherein the material of inner annular circle is non magnetic.
CNA2006101389652A 2005-05-19 2006-05-19 Spinning spindle assembly with damping device Pending CN1908264A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN604/CHE/2005 2005-05-19
IN604CH2005 2005-05-19

Publications (1)

Publication Number Publication Date
CN1908264A true CN1908264A (en) 2007-02-07

Family

ID=37699484

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006101389652A Pending CN1908264A (en) 2005-05-19 2006-05-19 Spinning spindle assembly with damping device

Country Status (1)

Country Link
CN (1) CN1908264A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104294426A (en) * 2014-09-18 2015-01-21 东华大学 Spinning frame motor type spindle vibration reducing method based on magnetic damping
CN104313739A (en) * 2014-09-18 2015-01-28 东华大学 Method for reducing axial vibration of electric spindle of spinning machine
CN105401273A (en) * 2015-10-27 2016-03-16 衡阳纺织机械有限公司 Radial double vibration absorption long oiling period high-speed energy-saving spindle
CN105401274A (en) * 2015-10-27 2016-03-16 衡阳纺织机械有限公司 Radial double vibration absorption long oiling period spindle foot
CN113176342A (en) * 2021-04-13 2021-07-27 西安交通大学 Interpolation type electromagnetic ultrasonic spiral guided wave transducer and working method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104294426A (en) * 2014-09-18 2015-01-21 东华大学 Spinning frame motor type spindle vibration reducing method based on magnetic damping
CN104313739A (en) * 2014-09-18 2015-01-28 东华大学 Method for reducing axial vibration of electric spindle of spinning machine
CN105401273A (en) * 2015-10-27 2016-03-16 衡阳纺织机械有限公司 Radial double vibration absorption long oiling period high-speed energy-saving spindle
CN105401274A (en) * 2015-10-27 2016-03-16 衡阳纺织机械有限公司 Radial double vibration absorption long oiling period spindle foot
CN113176342A (en) * 2021-04-13 2021-07-27 西安交通大学 Interpolation type electromagnetic ultrasonic spiral guided wave transducer and working method thereof
CN113176342B (en) * 2021-04-13 2024-01-12 西安交通大学 Internally-inserted electromagnetic ultrasonic spiral guided wave transducer and working method thereof

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