CN103317361A - Lead screw pair driving type swinging rotary table and main shaft - Google Patents

Lead screw pair driving type swinging rotary table and main shaft Download PDF

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Publication number
CN103317361A
CN103317361A CN2013102306835A CN201310230683A CN103317361A CN 103317361 A CN103317361 A CN 103317361A CN 2013102306835 A CN2013102306835 A CN 2013102306835A CN 201310230683 A CN201310230683 A CN 201310230683A CN 103317361 A CN103317361 A CN 103317361A
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CN
China
Prior art keywords
bearing
contained
deceleration
nut
turntable
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Pending
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CN2013102306835A
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Chinese (zh)
Inventor
党金行
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党金行
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Priority to CN2013102306835A priority Critical patent/CN103317361A/en
Publication of CN103317361A publication Critical patent/CN103317361A/en
Pending legal-status Critical Current

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Abstract

A lead screw pair driving type swinging rotary table and main shaft is composed of two moving shafts which include a shaft A and a shaft C, the rotary table is installed on a swinging frame through a bearing, a speed reduction device is also installed on the swinging frame, an output shaft of the speed reduction device is connected with the rotary table, a servo motor is installed on the speed reduction device, a rotating shaft of the rotary table is called the shaft C, and the rotary table is driven by the servo motor through the speed reduction device; when the shaft C conducts position output, that is, scale division, the rotary table serves as a workbench for drilling, milling, boring and tapping; when the shaft C conducts rotating speed output, that is, continuous rotation, the rotary table serves as the main shaft of a lathe; and the swinging frame is installed on a base through a bearing, a swinging shaft of the swinging frame is called the shaft A, and the swinging frame is driven by the servo motor through the speed reduction device and a lead screw pair.

Description

Lead screw pair drive-type swing turntable, main shaft
Technical field
The present invention relates to the machine tool field, especially swing turntable, the main shaft of Digit Control Machine Tool.
Background technology
In multi-shaft interlocked Digit Control Machine Tool, the swing turntable is comparatively commonly used, and the swing turntable has two kinematic axis, and A axle and C axle, A axle are swinging axle, and the C axle is turning cylinder; The type of drive of swing turntable swinging axle (A axle) mainly is the worm gear drive-type at present, as shown in Figure 1 and Figure 2, worm gear 5 is packed in an end of swing span 3, worm gear 5 and worm screw 6 engagements, worm screw 6 drives by servomotor 12, when servomotor 12 is just changeing, when reversing, just driving swing span 3 and turntable 9, servomotor 8, deceleration device 26 is done oscillating motion.But this type of drive exists three defectives: the one, and the transmission accuracy of worm gear requires very high, makes the manufacturing of worm gear, worm screw very difficult; The 2nd, in order to eliminate the back lash of worm gear, worm screw, be equipped with worm gear, worm screw elimination clearance mechanism in actual applications, actual drive mechanism is quite complicated; The 3rd, because the moment of torsion that worm gear is transmitted is less, so this turntable can not bear bigger load.
Summary of the invention
In order to overcome worm gear drive-type swing turntable structure complexity, to make difficulty and can not bear the defective of load greatly, the invention provides a kind of lead screw pair drive-type swing turntable, main shaft, this swing turntable, main shaft are made of two kinematic axis A axles and C axle; When the C axle carry out position output, when being calibration, turntable be exactly bore, mill, workbench that boring, tapping are used; When the C axle carried out rotating speed output, i.e. continuous rotation, turntable was exactly the main shaft of lathe; Swinging axle (A axle) is driven by lead screw pair, and the structure uniqueness can be born significant load.
The technical scheme that the present invention takes is: lead screw pair drive-type swing turntable, main shaft are made of two kinematic axis A axles and C axle; Turntable 9 is contained on the swing span 3 by bearing 7, deceleration device 26 also is contained on the swing span 3, and the output shaft of deceleration device 26 is connected with turntable 9, and servomotor 8 is contained on the deceleration device 26, the rotating shaft of turntable 9 is called the C axle, and turntable 9 is driven by deceleration device 26 by servomotor 8; When the C axle carry out position output, when being calibration, turntable 9 be exactly bore, mill, turntable that boring, tapping are used; When the C axle carried out rotating speed output, i.e. continuous rotation, turntable 9 was exactly the main shaft of lathe; Swing span 3 is contained on the bearing 1 by bearing 2, bearing 4, and the swinging axle of swing span 3 is called the A axle, and swing span 3 is driven by deceleration device 20, lead screw pair by servomotor 19.
The invention has the beneficial effects as follows, utilize existing high accuracy functional part lead screw pair, replace traditional worm gear, not only easily manufactured, and also the precision height, carrying is big, cost is low.
Description of drawings
Fig. 1 is the structural representation of worm gear drive-type swing turntable.
Fig. 2 is the D-D partial schematic sectional view of Fig. 1.
Fig. 3 is the structural representation of lead screw pair drive-type swing turntable, main shaft.
Fig. 4 is the F-F cross-sectional schematic of Fig. 3.
Fig. 5 is the G-G cross-sectional schematic of Fig. 3.
Fig. 6 is the J-J cross-sectional schematic of Fig. 4.
Fig. 7 is the another kind of structural representation of lead screw pair drive-type swing turntable, main shaft.
Fig. 8 is the L-L cross-sectional schematic of Fig. 7.
Fig. 9 is another state cross-sectional schematic of Fig. 8.
Figure 10 also is another state cross-sectional schematic of Fig. 8.
Figure 11 is the M-M cross-sectional schematic of Figure 10.
Figure 12 also is the another kind of structural representation of lead screw pair drive-type swing turntable, main shaft.
Figure 13 is the N-N cross-sectional schematic of Figure 12.
Figure 14 is another state cross-sectional schematic of Figure 12.
Figure 15 also is another state cross-sectional schematic of Figure 12.
Figure 16 is the P-P cross-sectional schematic of Figure 15.
Figure 17 is the Q-Q cross-sectional schematic of Figure 15.
Among the figure: 1. bearing, 2. bearing, 3. swing span, 4. bearing, 5. worm gear, 6. worm screw, 7. bearing, 8. servomotor, 9. turntable, main shaft, 10. bearing, 11. bearing, 12. servomotors, 13. forks, 14. bearings, 15. nut seats, 16. leading screw, 17. nuts, 18. bearings, 19. servomotors, 20. deceleration devices, 23. Connection Block, 24. bearings, 25. leading screw bearings, 26. deceleration devices, 27. bearings, 28. guideway, 29., 30. connecting rods, 31., 32. slide blocks.
The specific embodiment
As Fig. 1-shown in Figure 17, lead screw pair drive-type swing turntable, main shaft are made of two kinematic axis A axles and C axle; Turntable 9 is contained on the swing span 3 by bearing 7, deceleration device 26 also is contained on the swing span 3, and the output shaft of deceleration device 26 is connected with turntable 9, and servomotor 8 is contained on the deceleration device 26, the rotating shaft of turntable 9 is called the C axle, and turntable 9 is driven by deceleration device 26 by servomotor 8; When the C axle carry out position output, when being calibration, turntable 9 be exactly bore, mill, turntable that boring, tapping are used; When the C axle carried out rotating speed output, i.e. continuous rotation, turntable 9 was exactly the main shaft of lathe; Swing span 3 is contained on the bearing 1 by bearing 2, bearing 4, and the swinging axle of swing span 3 is called the A axle, is characterized in that swing span 3 is driven by deceleration device 20, lead screw pair by servomotor 19.
As Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, be characterized in that leading screw 16 and nut 17 constitute lead screw pair; Servomotor 19 is contained on the deceleration device 20, deceleration device 20 is contained on the Connection Block 23, Connection Block 23 is contained on the bearing 1 by bearing 24, bearing 27, and an end of leading screw 16 is contained in the Connection Block 23 by leading screw bearing 25 and links together with the output shaft of deceleration device 20; Nut 17 is packed on the nut seat 15, nut seat 15 by bearing 14, bearing 18 be contained on the fork 13, fork 13 is packed on the swing span 3; When servomotor 19 rotated, deceleration device 20 drove leading screw 16 and rotates, and leading screw 16 drives nut 17 motions, and nut 17 drives fork 13 motions, and fork 13 drives swing span 3 motions.
As Fig. 7, Fig. 8, Fig. 9, Figure 10 and shown in Figure 11, be characterized in that leading screw 16 and nut 17 constitute lead screw pair; Servomotor 19 is contained on the deceleration device 20, deceleration device 20 is contained on the Connection Block 23, Connection Block 23 is contained on the bearing 1 by bearing 24, bearing 27, and an end of leading screw 16 is contained in the Connection Block 23 by leading screw bearing 25 and links together with the output shaft of deceleration device 20; Nut 17 is packed on the nut seat 15, and nut seat 15 is contained on the tailstock of swing span 3 by bearing 14, bearing 18; When servomotor 19 rotated, deceleration device 20 drove leading screw 16 and rotates, and leading screw 16 drives nut 17 motions, and nut 17 drives swing span 3 motions.
As Figure 12, Figure 13, Figure 14, Figure 15, Figure 16 and shown in Figure 17, be characterized in that leading screw 16 and nut 17 constitute lead screw pair; Servomotor 19 is contained on the deceleration device 20, and deceleration device 20 is contained on the bearing 1, and an end of leading screw 16 is contained in the bearing 1 by leading screw bearing 25 and links together with the output shaft of deceleration device 20; Nut 17 is packed on the slide block 32, and slide block 32 is contained on the guideway 28, and the guide rail of guideway 28 is packed on the bearing 1, and slide block 32 is connected with the tailstock of swing span 3 by axle 31, connecting rod 30, axle 29; When servomotor 19 rotated, deceleration device 20 drove leading screw 16 and rotates, and leading screw 16 drives nut 17 motions, and nut 17 drives slide block 32 motions, and slide block 32 drives swing span 3 motions by axle 31, connecting rod 30, axle 29.

Claims (4)

1. lead screw pair drive-type swing turntable, main shaft are made of two kinematic axis A axles and C axle; Turntable (9) is contained on the swing span (3) by bearing (7), deceleration device (26) also is contained on the swing span (3), the output shaft of deceleration device (26) is connected with turntable (9), servomotor (8) is contained on the deceleration device (26), the rotating shaft of turntable (9) is called the C axle, and turntable (9) is driven by deceleration device (26) by servomotor (8); When the C axle carry out position output, when being calibration, turntable (9) be exactly bore, mill, turntable that boring, tapping are used; When the C axle carried out rotating speed output, i.e. continuous rotation, turntable (9) was exactly the main shaft of lathe; Swing span (3) is contained on the bearing (1) by bearing (2), bearing (4), and the swinging axle of swing span (3) is called the A axle, it is characterized in that: swing span (3) is driven by deceleration device (20), lead screw pair by servomotor (19).
2. the described lead screw pair drive-type swing of root a tree name claim 1 turntable, main shaft is characterized in that: leading screw (16) and nut (17) formation lead screw pair; Servomotor (19) is contained on the deceleration device (20), deceleration device (20) is contained on the Connection Block (23), Connection Block (23) is contained on the bearing (1) by bearing (24), bearing (27), and an end of leading screw (16) is contained in the Connection Block (23) by leading screw bearing (25) and links together with the output shaft of deceleration device (20); Nut (17) is packed on the nut seat (15), and nut seat (15) is contained in by bearing (14), bearing (18) that fork (13) is gone up, fork (13) is packed on the swing span (3); When servomotor (19) rotated, deceleration device (20) drove leading screw (16) and rotates, and leading screw (16) drives nut (17) motion, and nut (17) drives fork (13) motion, and fork (13) drives swing span (3) motion.
3. the described lead screw pair drive-type swing of root a tree name claim 1 turntable, main shaft is characterized in that: leading screw (16) and nut (17) formation lead screw pair; Servomotor (19) is contained on the deceleration device (20), deceleration device (20) is contained on the Connection Block (23), Connection Block (23) is contained on the bearing (1) by bearing (24), bearing (27), and an end of leading screw (16) is contained in the Connection Block (23) by leading screw bearing (25) and links together with the output shaft of deceleration device (20); Nut (17) is packed on the nut seat (15), and nut seat (15) is contained on the tailstock of swing span (3) by bearing (14), bearing (18); When servomotor (19) rotated, deceleration device (20) drove leading screw (16) and rotates, and leading screw (16) drives nut (17) motion, and nut (17) drives swing span (3) motion.
4. the described lead screw pair drive-type swing of root a tree name claim 1 turntable, main shaft is characterized in that: leading screw (16) and nut (17) formation lead screw pair; Servomotor (19) is contained on the deceleration device (20), and deceleration device (20) is contained on the bearing (1), and an end of leading screw (16) is contained in the bearing (1) by leading screw bearing (25) and links together with the output shaft of deceleration device (20); Nut (17) is packed on the slide block (32), and slide block (32) is contained on the guideway (28), and the guide rail of guideway (28) is packed on the bearing (1), and slide block (32) is connected with the tailstock of swing span (3) by axle (31), connecting rod (30), axle (29); When servomotor (19) rotates, deceleration device (20) drives leading screw (16) and rotates, leading screw (16) drives nut (17) motion, and nut (17) drives slide block (32) motion, and slide block (32) drives swing span (3) motion by axle (31), connecting rod (30), axle (29).
CN2013102306835A 2013-06-09 2013-06-09 Lead screw pair driving type swinging rotary table and main shaft Pending CN103317361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013102306835A CN103317361A (en) 2013-06-09 2013-06-09 Lead screw pair driving type swinging rotary table and main shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013102306835A CN103317361A (en) 2013-06-09 2013-06-09 Lead screw pair driving type swinging rotary table and main shaft

Publications (1)

Publication Number Publication Date
CN103317361A true CN103317361A (en) 2013-09-25

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CN2013102306835A Pending CN103317361A (en) 2013-06-09 2013-06-09 Lead screw pair driving type swinging rotary table and main shaft

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436545A (en) * 2015-12-26 2016-03-30 佛山市南海中南铝车轮制造有限公司 Processing device and method for steel wire hub of motorcycle
CN107552261A (en) * 2017-08-17 2018-01-09 上海大学 One kind rotates lowering or hoisting gear
WO2021135760A1 (en) * 2019-12-31 2021-07-08 科德数控股份有限公司 Linkage swing head structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2297594Y (en) * 1997-05-16 1998-11-18 乐树祥 Head guide screw tilting mechanism
CN2367426Y (en) * 1999-04-13 2000-03-08 顺德市卓大玻璃机械有限公司 Lifting mechanism of glass edging machine
JP2005138275A (en) * 2003-10-17 2005-06-02 Sankyo Mfg Co Ltd Tiltable circular table apparatus
CN101670528A (en) * 2009-09-29 2010-03-17 中捷机床有限公司 Vertical exchange working platform overturning drive device and manufacturing method thereof
CN101733645A (en) * 2008-11-07 2010-06-16 沈阳东大科技有限责任公司 Five-coordinate linkage numeric control drilling machine tool
CN101954523A (en) * 2010-10-20 2011-01-26 哈尔滨工程大学 Metamorphic cutting gun mechanism of large-diameter numerical control flame cutting machine
CN203484917U (en) * 2013-06-09 2014-03-19 党金行 Lead screw pair drive-type swing rotary table

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2297594Y (en) * 1997-05-16 1998-11-18 乐树祥 Head guide screw tilting mechanism
CN2367426Y (en) * 1999-04-13 2000-03-08 顺德市卓大玻璃机械有限公司 Lifting mechanism of glass edging machine
JP2005138275A (en) * 2003-10-17 2005-06-02 Sankyo Mfg Co Ltd Tiltable circular table apparatus
CN101733645A (en) * 2008-11-07 2010-06-16 沈阳东大科技有限责任公司 Five-coordinate linkage numeric control drilling machine tool
CN101670528A (en) * 2009-09-29 2010-03-17 中捷机床有限公司 Vertical exchange working platform overturning drive device and manufacturing method thereof
CN101954523A (en) * 2010-10-20 2011-01-26 哈尔滨工程大学 Metamorphic cutting gun mechanism of large-diameter numerical control flame cutting machine
CN203484917U (en) * 2013-06-09 2014-03-19 党金行 Lead screw pair drive-type swing rotary table

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436545A (en) * 2015-12-26 2016-03-30 佛山市南海中南铝车轮制造有限公司 Processing device and method for steel wire hub of motorcycle
CN107552261A (en) * 2017-08-17 2018-01-09 上海大学 One kind rotates lowering or hoisting gear
WO2021135760A1 (en) * 2019-12-31 2021-07-08 科德数控股份有限公司 Linkage swing head structure

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Application publication date: 20130925

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