CN103453097B - The revolving ball screw ancillary equipment of spinning frame upper cap nut - Google Patents
The revolving ball screw ancillary equipment of spinning frame upper cap nut Download PDFInfo
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- CN103453097B CN103453097B CN201310396037.6A CN201310396037A CN103453097B CN 103453097 B CN103453097 B CN 103453097B CN 201310396037 A CN201310396037 A CN 201310396037A CN 103453097 B CN103453097 B CN 103453097B
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Abstract
The present invention relates to the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut, the body of rod of ball screw 1 is provided with main thread track, special nut 2 internal surface is provided with deputy thread track, the shape of special nut 2 in " cross ", its two side portions extends towards the two ends of screw mandrel vertically, intermediate portion radially extends the oval becoming bead shape, defines the backstop of the axis of bearing 3; Thrust ball bearing 3 is positioned on the left of the oval 19 of bead shape, is provided with internal axle sleeve 4 and external axle sleeve 5 between two thrust ball bearings 3, and thrust ball bearing 3 is fixed on special nut 2; Fitting seat 9 is sleeved on nut seat 8, and nut seat 8 profile is hollow sleeve tubular, and one end of hollow sleeve tubular radially extends the backstop becoming fitting seat 9, be through hole in the middle of it, with on bearing 3 on the oval that the through hole on nut seat 8 is linked in special nut 2 bead shape.This device can reduce transmission tube straightness accuracy and the installation precision requirement of doffing, and makes spinning frame smooth running.
Description
Technical field
The invention belongs to collective doffing of spinning frame apparatus field, be specifically related to the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut.
Background technique
On current spinning frame market, integral cosine doffing device is more and more universal.In integral cosine doffing device, the driver element of gas frame lifting more have employed sliding screw pair, and adopts rolling lead screw secondary almost little in integral cosine doffing device, and only Japanese Toyota Company and Shanghai Pacific Ocean group have employed rolling lead screw pair.Secondary and the sliding screw parafacies ratio of rolling lead screw, rolling lead screw pair has the high advantage of transmission efficiency, and transmission efficiency is up to 90 ~ 98%, and 2 ~ 3 times of average out to slip screw, meet efficient, energy-conservation development trend; Friction torque is little, and contact stiffness is high, make temperature rise and thermal distortion little, be conducive to improving dynamic characteristic and improve operating accuracy, long working life, on average can reach about 10 times of slip screw; Transmission gapless, without creeping, smooth running, transmission accuracy is high.But the mounting type of this rolling lead screw pair of two all have employed rolling lead screw two ends and fixes, and only rotate, nut makes axially reciprocating along rolling lead screw.Due on spinning frame, this structure is arranged in the tailstock (or headstock) of spinning frame by limitation, because of driven workpiece---the transmission tube that doffs is equivalent to elongate rod, active force is applied in one end, make to require very high to the straightness accuracy of the transmission tube that doffs and installation precision, otherwise can produce larger extra load, if still adopt the fixing mode in rolling lead screw two ends to be installed on the spinning frame of overlength (such as >=1200 ingot), this problem will be more serious.
If rolling lead screw pair can be arranged in the middle part of spinning frame, not only can reduce the straightness accuracy to the transmission tube that doffs and installation precision requirement, and can require on constant basis at maintenance straightness accuracy and installation precision, be arranged on the spinning frame of overlength (such as >=1200 ingot).Like this, structure needs be improved to that nut location fixingly only rotates, rolling lead screw is reciprocating vertically, i.e. the ball screw ancillary equipment of nut rotary type.
Summary of the invention
Technical problem to be solved by this invention is to provide the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut, this Plant arrangement not only can ensure straightness accuracy to the transmission tube that doffs and installation precision requirement in the middle part of spinning frame, but also can be arranged on the spinning frame of overlength, compact structure, smooth running.
The technical solution used in the present invention: the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut, it comprises ball screw 1, special nut 2, thrust ball bearing 3, internal axle sleeve 4, external axle sleeve 5, locking nut 6, nut seat 8, fitting seat 9, sprocket wheel 10 and ball, the body of rod of described ball screw 1 is provided with main thread track, special nut 2 internal surface is provided with the deputy thread track matched with ball screw 1, the described shape of special nut 2 in " cross ", the two side portions of special nut 2 extends towards the two ends of screw mandrel vertically, define the inner pedestal for installing bearing 3 and the chain pulley seat for installing sprocket wheel 10, the intermediate portion of special nut 2 radially extends the oval becoming bead shape, the oval of this bead shape defines the backstop of the axis of bearing 3, the oval of described bead shape, inner pedestal and chain pulley seat are all constituent elements of special nut 2, ball is provided with between the track of ball screw 1 and special nut 2, thrust ball bearing 3 is positioned on the left of the oval 19 of bead shape, internal axle sleeve 4 and the external axle sleeve 5 of top lifting card inner ring and outer ring effect is provided with between two thrust ball bearings 3, thrust ball bearing 3 is fixed on special nut 2 by locking nut 6, is fixed on the right side of the oval 19 of the bead shape of special nut 2 by screw 16 and sprocket wheel 10, thrust ball bearing 3 is arranged on the inside of the through hole of nut seat 8, fitting seat 9 is sleeved on nut seat 8, described nut seat 8 profile is hollow sleeve tubular, one end of described hollow sleeve tubular radially extends the backstop becoming fitting seat 9, be through hole in the middle of it, on the oval that through hole on nut seat 8 is linked in special nut 2 bead shape and on bearing 3, so nut seat 8 and special nut 2 are two elements coordinated,
Described screw pair device also comprises seal ring 7, regulating ring 17 and sealing plate 18, and regulating ring 17 is arranged between locking nut 6 and thrust ball bearing 3, for carrying out pretension to thrust ball bearing 3 structure; Sealing plate 18 is arranged on the outside with thrust ball bearing 3 on regulating ring 17, seals for making thrust ball bearing 3 internal environment; Between the oval 19 that seal ring 7 is arranged on the bead shape of special nut 2 and nut seat 8;
On described ball screw 1, suit is provided with little sheath 11, large sheath 12, left telescopic cover 13 and right telescopic cover 14, left telescopic cover 13 is connected with special nut 2 left end by large sheath 12, right telescopic cover 14 is connected with special nut 2 right-hand member by little sheath 11, for making ball screw 1 action in the environment of sealing configuration, its medium and small sheath 11 is connected with described spinning frame by supporting structure with large sheath 12;
Described little sheath 11 and large sheath 12 are provided with sealing configuration with special nut 2 contacting point.
Further, described nut seat 8 is provided with lubricating cup 15, for thrust ball bearing 3 intermittent oiling.
Further, described ball screw 1 is cold rolling ball screw.
Further, described screw 16 adopts mechanical property to be the screw of 12.9 grades.
The present invention compared with prior art its beneficial effect is:
1. compact structure of the present invention, rationally distributed, smooth running;
2. the present invention is arranged in the middle part of spinning frame, nut only does rotary motion in fixed position, screw mandrel is along its axial motion, not only can reduce workpiece in conjunction with its supplementary structure---the straightness accuracy of the transmission tube that doffs and installation precision requirement, and can require on constant basis at maintenance straightness accuracy and installation precision, be arranged on the spinning frame of overlength (such as >=1200 ingot), solve in spinning frame the transmission tube that doffs one true since the defect that exists;
3. the present invention has also used the operator guards special to ball screw, the structure of the little sheath namely arranged at ball screw two ends, large sheath, left telescopic cover and right telescopic cover, ball screw is operated in complete hermetic structure, the impact under the spinning environment preventing dust, flyings more;
4. the present invention is in special nut and thrust ball bearing joint, is provided with seal ring, regulating ring and sealing plate etc. structure, ensures the sealing of this device further, and the cup structure of extraction that nut seat is arranged, and this device is operated and lubricates, increase the service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut, it comprises ball screw 1, special nut 2, thrust ball bearing 3, internal axle sleeve 4, external axle sleeve 5, locking nut 6, nut seat 8, fitting seat 9, sprocket wheel 10 and ball, the body of rod of described ball screw 1 is provided with main thread track, special nut 2 internal surface is provided with the deputy thread track matched with ball screw 1, the shape of special nut 2 in " cross ", the two side portions of special nut 2 extends towards the two ends of screw mandrel vertically, define the inner pedestal for installing bearing 3 and the chain pulley seat for installing sprocket wheel 10, the intermediate portion of special nut 2 radially extends the oval becoming bead shape, the oval of this bead shape defines the backstop of the axis of bearing 3, the oval of described bead shape, inner pedestal and chain pulley seat are all constituent elements of special nut 2, and be provided with ball between the track of ball screw 1 and special nut 2, ball screw 1 is cold rolling ball screw, energy-conservation and increase the service life, be provided with the thrust ball bearing 3 combined back-to-back for a pair on the left of the oval 19 of the bead shape of special nut 2, its load-carrying properties, apart from increasing, are improved in the pressure center realizing bearing.Internal axle sleeve 4 and the external axle sleeve 5 of top lifting card inner ring and outer ring effect is provided with between two thrust ball bearings 3, thrust ball bearing 3 is fixed on special nut 2 by locking nut 6, is that the screw 16 of 12.9 grades is fixed with sprocket wheel 10 on the right side of the oval 19 of the bead shape of special nut 2 by least two mechanical propertys; Thrust ball bearing 3 is sleeved on nut seat 8, nut seat 8 profile is hollow sleeve tubular, one end of described hollow sleeve tubular radially extends the backstop becoming fitting seat 9, be through hole in the middle of it, on the oval that through hole on nut seat 8 is linked in special nut 2 bead shape and on bearing 3, so nut seat 8 and special nut 2 are two elements coordinated; Nut seat 8 is provided with lubricating cup 15, for thrust ball bearing 3 intermittent oiling, nut seat 8 is arranged on fitting seat 9, and fitting seat 9 is connected with the integral cosine doffing device of spinning frame.Regulating ring 17 is arranged between locking nut 6 and thrust ball bearing 3, for carrying out pretension to thrust ball bearing 3 structure, makes this device smooth running; Sealing plate 18 is arranged on the outside with thrust ball bearing 3 on regulating ring 17, and thrust ball bearing 3 internal environment is sealed; Between the oval 19 that seal ring 7 is arranged on the bead shape of special nut 2 and nut seat 8, prevent the Lubricants in bearing from leaking.Described ball screw 1 two ends be provided with the little sheath 11 of complete machine support and connection and large sheath 12, little sheath 11 and large sheath 12 on be also respectively arranged with right telescopic cover 14 and left telescopic cover 13, left telescopic cover 13 is connected with special nut 2 left end by large sheath 12, right telescopic cover 14 is connected with special nut 2 right-hand member by little sheath 11, operate in the environment of sealing configuration for making ball screw 1, adapt to run under dust and the more environment of flyings, its medium and small sheath 11 and large sheath 12 are provided with sealing configuration with special nut 2 contacting point.
Special nut of the present invention and thrust ball bearing and nut seat are fixed in the middle part of spinning frame, by motor-driven drive sprockets thus drive special nut rotate around ball screw in its fixed position, thus order about ball screw to-and-fro motion vertically, drive the transmission tube action of doffing be connected with ball screw, ensure the doff straightness accuracy of transmission tube and installation precision requirement, and can require on constant basis at maintenance straightness accuracy and installation precision, be arranged on the spinning frame of overlength (being greater than 1200 ingots).
Claims (4)
1. the revolving ball screw ancillary equipment of spinning frame upper cap nut, it comprises ball screw (1), special nut (2), thrust ball bearing (3), internal axle sleeve (4), external axle sleeve (5), locking nut (6), nut seat (8), fitting seat (9), sprocket wheel (10) and ball, the body of rod that it is characterized in that described ball screw (1) is provided with main thread track, special nut (2) internal surface is provided with the deputy thread track matched with ball screw (1), the shape of described special nut (2) in " cross ", the two side portions of special nut (2) extends towards the two ends of screw mandrel vertically, define for installing the inner pedestal of bearing (3) and the chain pulley seat for installing sprocket wheel (10), the intermediate portion of special nut (2) radially extends the oval becoming bead shape, the oval of this bead shape defines the backstop of the axis of bearing (3), the oval of described bead shape, inner pedestal and chain pulley seat are all constituent elements of special nut (2), ball is provided with between the track of ball screw (1) and special nut (2), thrust ball bearing (3) is positioned at oval (19) left side of bead shape, internal axle sleeve (4) and the external axle sleeve (5) of top lifting card inner ring and outer ring effect is provided with between two thrust ball bearings (3), thrust ball bearing (3) is fixed on special nut (2) by locking nut (6), and oval (19) right side of the bead shape of special nut (2) is fixed by screw (16) and sprocket wheel (10), thrust ball bearing (3) is arranged on the inside of the through hole of nut seat (8), fitting seat (9) is sleeved on nut seat (8), described nut seat (8) profile is hollow sleeve tubular, one end of described hollow sleeve tubular radially extends the backstop becoming fitting seat (9), be through hole in the middle of it, on the oval that through hole on nut seat (8) is linked in special nut (2) bead shape and on bearing (3), so nut seat (8) and special nut (2) are the elements of two cooperations,
Described screw pair device also comprises seal ring (7), regulating ring (17) and sealing plate (18), and regulating ring (17) is arranged between locking nut (6) and thrust ball bearing (3), for carrying out pretension to thrust ball bearing (3) structure; Sealing plate (18) is arranged on regulating ring (17) and the outside of thrust ball bearing (3), seals for making thrust ball bearing (3) internal environment; Seal ring (7) is arranged between the oval (19) of the bead shape of special nut (2) and nut seat (8);
The upper suit of described ball screw (1) is provided with little sheath (11), large sheath (12), left telescopic cover (13) and right telescopic cover (14), left telescopic cover (13) is connected with special nut (2) left end by large sheath (12), right telescopic cover (14) is connected with special nut (2) right-hand member by little sheath (11), for making ball screw (1) action in the environment of sealing configuration, its medium and small sheath (11) is connected with described spinning frame by supporting structure with large sheath (12);
Described little sheath (11) and large sheath (12) are provided with sealing configuration with special nut (2) contacting point.
2. the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut according to claim 1, is characterized in that described nut seat (8) is provided with lubricating cup (15), for thrust ball bearing (3) intermittent oiling.
3. the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut according to claim 1, is characterized in that described ball screw (1) is cold rolling ball screw.
4. the revolving ball screw ancillary equipment of a kind of spinning frame upper cap nut according to claim 1, is characterized in that described screw (16) employing mechanical property is the screw of 12.9 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396037.6A CN103453097B (en) | 2013-09-04 | 2013-09-04 | The revolving ball screw ancillary equipment of spinning frame upper cap nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396037.6A CN103453097B (en) | 2013-09-04 | 2013-09-04 | The revolving ball screw ancillary equipment of spinning frame upper cap nut |
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| CN103453097A CN103453097A (en) | 2013-12-18 |
| CN103453097B true CN103453097B (en) | 2016-01-06 |
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| CN201310396037.6A Active CN103453097B (en) | 2013-09-04 | 2013-09-04 | The revolving ball screw ancillary equipment of spinning frame upper cap nut |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435876A (en) * | 2016-11-17 | 2017-02-22 | 江苏海马纺织机械有限公司 | Intelligent robot arm automatic doffing device |
| CN108412318B (en) * | 2018-04-25 | 2024-02-09 | 新乡市新倍增自动化设备有限公司 | Self-compensating controllable electromechanical lock |
| CN110712015A (en) * | 2019-10-27 | 2020-01-21 | 上海诺银机电科技有限公司 | Ball screw capable of running stably under extraordinary environment and preparation method thereof |
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| CN1754740A (en) * | 2004-09-29 | 2006-04-05 | 株式会社万都 | Rack electric steerage gear |
| CN1958370A (en) * | 2005-11-04 | 2007-05-09 | 株式会社万都 | Electric automotive power steering device with a belt-type transmission |
| CN201055955Y (en) * | 2006-09-20 | 2008-05-07 | 南通西马特机器制造有限公司 | Long stroke numerically controlled drilling machine feed gear of drill miller |
| CN201448411U (en) * | 2009-06-24 | 2010-05-05 | 江苏瑞安特机械集团有限公司 | Nut rotating type ball screw pair |
| CN203516631U (en) * | 2013-09-04 | 2014-04-02 | 经纬纺织机械股份有限公司 | Nut rotating type ball screw pair device on spinning frame |
-
2013
- 2013-09-04 CN CN201310396037.6A patent/CN103453097B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754740A (en) * | 2004-09-29 | 2006-04-05 | 株式会社万都 | Rack electric steerage gear |
| CN1958370A (en) * | 2005-11-04 | 2007-05-09 | 株式会社万都 | Electric automotive power steering device with a belt-type transmission |
| CN201055955Y (en) * | 2006-09-20 | 2008-05-07 | 南通西马特机器制造有限公司 | Long stroke numerically controlled drilling machine feed gear of drill miller |
| CN201448411U (en) * | 2009-06-24 | 2010-05-05 | 江苏瑞安特机械集团有限公司 | Nut rotating type ball screw pair |
| CN203516631U (en) * | 2013-09-04 | 2014-04-02 | 经纬纺织机械股份有限公司 | Nut rotating type ball screw pair device on spinning frame |
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| CN103453097A (en) | 2013-12-18 |
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