CN1020202C - Electrical spindle for centrifugal spinning - Google Patents
Electrical spindle for centrifugal spinning Download PDFInfo
- Publication number
- CN1020202C CN1020202C CN 90101920 CN90101920A CN1020202C CN 1020202 C CN1020202 C CN 1020202C CN 90101920 CN90101920 CN 90101920 CN 90101920 A CN90101920 A CN 90101920A CN 1020202 C CN1020202 C CN 1020202C
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- bearing
- motor
- centrifugal spinning
- rotor
- damper
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- Spinning Or Twisting Of Yarns (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to a centrifugal spinning electric spindle which is a centrifugal spindle that is directly driven by a single motor. The centrifugal spinning electric spindle is used in textile industry, and especially, is one of the key apparatus used in the process of spinning adhesive long fibers. The novel centrifugal spinning electric spindle is characterized in that a single shaft is utilized to replace a hollow shaft of the original centrifugal spinning electric spindle, which has a positioning and transmission structure that is matched with a twin-shaft conical surface of a solid shaft; an upper bearing is hidden into a cup type rotor of an electric motor; a lower bearing can adopt an ordinary rolling bearing or a sliding bearing with full membrane lubricating spiral grooves; a driving electric motor can be a high-efficiency and energy-saving asynchronous motor or a novel synchronous motor.
Description
The present invention relates to a kind of electrical spindle for centrifugal spinning, belong to textile machine.
Electrical spindle for centrifugal spinning is a kind of centrifugal spindle that is directly driven by single-motor, and its wire receiving device is a tophan box.It is the key equipment that uses in the viscose long fiber spinning.Up to the present, external and domestic viscose filament yarn production industry as shown in Figure 1 at widely used electrical spindle for centrifugal spinning (being called for short the centrifugal electric ingot of tradition) always.It mainly is made up of tophan box (1), solid shafting (2), hollow shaft (9), drive motors rotor (3), stator (4), upper bearing (metal) (5), lower bearing (6), lubricating cup (7), bracing frame (8) and wool felt collar (10) etc.Though this electrical spindle for centrifugal spinning has experienced the test of many decades production practices, because some the intrinsic weakness in the itself design cause the breakdown rate height, motor, damage of bearings are serious, and it is also big to consume energy.For example, traditional electrical spindle for centrifugal spinning adopts hollow shaft-solid shafting twin shaft cone match location and transmits moment of torsion, when electric ingot starts (or braking), the hollow shaft that is fitted together with the drive motors rotor is under acceleration (or deceleration) state, the solid shafting that is assembled together with tophan box then has the inertia of a maintenance static (or uniform rotation) situation, this very easily causes the cone match of bearing moment of torsion impaired, thereby causes whole electric ingot to damage.For another example, two rolling bearings of the centrifugal electric ingot of tradition all are offset to electric ingot bottom, away from the barycenter of tophan box.And two bearings itself are very near from getting again.Because the quality and the mass eccentricity of tophan box and spinning cake are all big, the load that causes bearing to bear in the course of the work is excessive.Thereby damage of bearings and motor " are swept thorax ", and phenomenon is all very serious.And for example, the wool felt collar of the centrifugal electric ingot of tradition had both played sealing function, was again an aiding support, was a vitals in original electric ingot.But during the work of electric ingot because the long-term contact friction of the solid shafting of high speed rotating and static wool felt collar causes bigger energy consumption, and since the wearing and tearing and the distortion of wool felt collar cause system vibration to strengthen again, and then cause motor and damage of bearings.
The investigation of the chemical fibre factory of domestic several employing electrical spindle for centrifugal spinning is shown that the fault rate of the centrifugal electric ingot of tradition is about 0.003/ day according to us, service worker labour intensity is big, and maintenance cost is surprising.
U.S. Pat 3095687 and US4833873 provide two kinds of electric ingots, all are for the design of the ring spinner of cotton spinning or wool industry, only are fit to bear little load.For the widely used centrifugal electric ingot of viscose filament yarn industry, owing to big tens of times of load ratio cotton spinning spindle, rotary inertia is bigger more than 1,000 times than cotton spinning spindle, and rotor dynamics parameter difference is very big.And be again to adopt the wet spinning technology solidify in acid bath, thereby the structural member of above-mentioned cotton spinning electricity ingot is difficult to directly be adopted, and also is difficult to be adopted through simple amplification.Just because of this, recent decades, external and domestic viscose filament yarn manufacturer is continuing to use the hollow shaft-solid shafting structure of the centrifugal electric ingot of tradition always.
The objective of the invention is to provides a kind of running stable for the production industry of viscose filament yarn and other similar products, and fault rate is low, the long and high electrical spindle for centrifugal spinning that has suitable energy-saving effect simultaneously again of reliability of life-span.
Centrifugal electric ingot of the present invention has:
A rotating shaft is equipped with a tophan box as wire receiving device in its top;
A drive motors, it comprises rotor and stator;
A bearing arrangement, its supporting shaft also is connected into one with rotor and electric flyer sports association.And this housing is fixed on the spinning machine body by a bracing frame, to guarantee that tophan box can be around vertical axis stable operation.
The invention is characterized in: motor adopts cup type rotor, and this rotor is connected with the bottom of tophan box and is fixed on the axle.Upper bearing (metal) is a rolling bearing, and it is supported on the cylindrical sleeve above the motor bottom end cover, and in rotor cup inner chamber supporting shaft.Lower bearing is contained in rotating shaft bottom, and is fixed in the interior cover of damper, lubricator cup of cover double as lower bearing in this.Inner room is equipped with the cyclic spring supporting member outside cover and the damper in damper, produces elastic displacement in both having allowed between the overcoat when stressed, guarantees that again they can recover concentric position.In above-mentioned damper, in the annular gap of cover and overcoat viscous fluid is housed, makes the squeeze film that forms one deck annular, so that the vibration of damping rotor-support-foundation system and precession.The damper overcoat is fixed on the lower surface of motor bottom end cover.
Purpose of the present invention mainly realizes by following measure:
Hollow shaft-the solid shafting of the centrifugal electric ingot of tradition is substituted with single rotating shaft by cone match location and the structure of transmitting moment of torsion.Motor adopts cup type rotor, and its is close to the lower end of tophan box and all is fixed in the rotating shaft, so can directly transmit moment of torsion between rotor and the tophan box.Owing to saved the cone match between hollow shaft and it and the solid shafting, thereby improved the axiality of rotation system, avoided the damage of skidding and causing owing to conical surface torsion pass.
Make the upper bearing (metal) of electric ingot upwards move to as far as possible and be hidden among the cup type rotor of motor, increased the span between two bearings near tophan box.Experiment showed, that such structure to improving the running accuracy of rotation system, reduces the load of upper bearing (metal), improve bearing life and reduce motor and " sweep thorax " phenomenon is all very useful.
With the centrifugal electric ingot of tradition Central Plains is that the lower bearing of non-yielding prop changes elastic bearing into, and make it with damper in overlap and be combined into one, at the interior cover of damper and outer inner room the squeeze film of viscous fluid with formation one deck annular is housed, thus the vibration of damping rotor-support-foundation system and precession effectively.Like this, fully phased out aiding support wool felt collar in traditional centrifugal electric ingot.Test is fixed factually, nearly tens watts to tens watts of the energy consumptions that original wool felt collar is caused.Therefore, this improvement improves the stability of electric ingot, and energy consumption reduces.
The lower bearing of electric ingot both can adopt rolling bearing among the present invention, also can adopt sliding bearing, particularly can adopt the screw channel bearing of full-film lubrication.When adopting the screw channel bearing, as long as bearing parameter is reasonable in design, the radial stability of rotation system and axial stability are all very good.Needn't adopt fully and resemble the U.S. Pat 4833873 described ways that improve axial stability by the increase axial load.Experiment showed, that under such condition in spinning process, the high pressure oil film that tophan box and whole rotor-support-foundation system can be produced by the screw channel bearing fully floats, thereby avoided axle to contact, improved the stability and the reliability of whole rotation system with the direct of bearing.
Drive motors among the present invention adopts energy-efficient asynchronous motor or novel synchronous motor, compares with the centrifugal electric ingot of tradition, and electric efficiency has had raising.
Be provided with a movable sealing in the tophan box bottom and enter motor cavity to prevent water or acid solution.
Experimental result shows that novel centrifugal spinning electric ingot of the present invention has advantages such as running is reliable and stable, and the life-span is long, and power consumption economizes, and is simple in structure, easily manufactured.Its fault rate can drop to original electric ingot fault rate 1/5 or lower.
Fig. 1 is the structural representation of traditional centrifugal electric ingot of always being widely adopted in decades.
Fig. 2 is the structural representation of novel centrifugal electricity ingot of the present invention.
The detailed description of Fig. 1 has partly been done introduction in the background technology of this specification, therefore here no longer repeats.
Fig. 2 is one embodiment of the present of invention, and it is mainly by tophan box (1), rotating shaft (2), the cup type rotor of drive motors (3), stator (4), upper bearing (metal) (5), lower bearing (6), movable sealing (7), motor housing (8), supporting diaphragm (9), following damping and support system (10), bracing frame (11), damper overcoat (12), cover (13) in the damper, the cylindrical sleeve compositions such as (15) of motor bottom end cover (14) and supporting upper bearing (metal).Wherein lower bearing (6) has adopted the screw channel bearing of full-film lubrication, and upper bearing (metal) (5) adopts rolling bearing.Because the damping action of damping oil has absorbed, has reduced the vibration and the precession of rotation system, thereby guaranteed the stable operation of system in the elastic return effect of supporting diaphragm (9) and following damping and the supporting system (10).For preventing that the hazardous medium in the external environment condition from entering motor cavity, designed dynamic sealing device easy to process simple in structure (7) in the tophan box bottom.
Claims (7)
1, a kind of electrical spindle for centrifugal spinning, it has:
A rotating shaft is equipped with a tophan box as wire receiving device in its top;
A drive motors comprises the rotor that is fixed in the rotating shaft and is fixed on the interior stator of housing;
A bearing arrangement, its supporting shaft also is connected into an integral body with rotor and electric flyer sports association.And this housing is fixed on the spinning machine body by a bracing frame, can be to guarantee tophan box around vertical axis stable operation,
It is characterized in that:
Motor adopts cup type rotor, this rotor is connected with the bottom of tophan box and is fixed in the rotating shaft, upper bearing (metal) is a rolling bearing, it is supported on the cylindrical sleeve above the motor bottom end cover, and supporting shaft in the rotor cup inner chamber of motor, lower bearing is contained in rotating shaft bottom, and be fixed in the interior cover of damper, the lubricator cup of cover double as lower bearing in being somebody's turn to do, inner room is equipped with annular elastic supporting element outside cover and the damper in damper, when stressed, produced elastic displacement in both having allowed between the overcoat, guarantee that again they can recover concentric position, in above-mentioned damper, in the annular gap of cover and damper overcoat viscous fluid is housed, make the squeeze film that forms one deck annular, so that the vibration of damping rotor-support-foundation system and precession, the damper overcoat is fixed on the lower surface of motor bottom end cover.
2, electrical spindle for centrifugal spinning according to claim 1 is characterized in that lower bearing can adopt rolling bearing.
3, electrical spindle for centrifugal spinning according to claim 1 is characterized in that lower bearing can adopt sliding bearing.
4,, it is characterized in that lower bearing can adopt the screw channel bearing of full-film lubrication according to claim 1 and the described electrical spindle for centrifugal spinning of claim 3.
5, electrical spindle for centrifugal spinning according to claim 1 is characterized in that the drive motors that has cup type rotor can make the high-efficiency and energy-saving type asynchronous motor.
6, electrical spindle for centrifugal spinning according to claim 1 is characterized in that the drive motors that has cup type rotor can make synchronous motor.
7, electrical spindle for centrifugal spinning according to claim 1 is characterized in that being provided with movable sealing between tophan box bottom and motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101920 CN1020202C (en) | 1990-04-12 | 1990-04-12 | Electrical spindle for centrifugal spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101920 CN1020202C (en) | 1990-04-12 | 1990-04-12 | Electrical spindle for centrifugal spinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1055566A CN1055566A (en) | 1991-10-23 |
| CN1020202C true CN1020202C (en) | 1993-03-31 |
Family
ID=4877309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90101920 Expired - Fee Related CN1020202C (en) | 1990-04-12 | 1990-04-12 | Electrical spindle for centrifugal spinning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020202C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041950C (en) * | 1994-03-22 | 1999-02-03 | Skf纺织机械部件有限公司 | Apparatus for supporting reel bar for spinning, twisting or winding |
| CN103215677A (en) * | 2013-05-07 | 2013-07-24 | 四川理工学院 | Damping vibration attenuation metacentric-type electric spindle centrifugal machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956260B (en) * | 2010-09-16 | 2013-03-27 | 常熟长城轴承有限公司 | Novel spinning spindle |
-
1990
- 1990-04-12 CN CN 90101920 patent/CN1020202C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041950C (en) * | 1994-03-22 | 1999-02-03 | Skf纺织机械部件有限公司 | Apparatus for supporting reel bar for spinning, twisting or winding |
| CN103215677A (en) * | 2013-05-07 | 2013-07-24 | 四川理工学院 | Damping vibration attenuation metacentric-type electric spindle centrifugal machine |
| CN103215677B (en) * | 2013-05-07 | 2016-06-08 | 四川理工学院 | A kind of damping vibration attenuation metancenter formula electricity ingot whizzer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1055566A (en) | 1991-10-23 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |