CN103009074A - Beam lifting structure of single-column vertical lathe - Google Patents
Beam lifting structure of single-column vertical lathe Download PDFInfo
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- CN103009074A CN103009074A CN2012105060315A CN201210506031A CN103009074A CN 103009074 A CN103009074 A CN 103009074A CN 2012105060315 A CN2012105060315 A CN 2012105060315A CN 201210506031 A CN201210506031 A CN 201210506031A CN 103009074 A CN103009074 A CN 103009074A
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Abstract
The invention relates to a beam lifting structure of a single-column vertical lathe. A cover plate is fixed on a box body through bolts; a worm is rotationally arranged on the box body; a threaded sleeve is rotationally mounted on the box body through a needle bearing and a deep-groove ball bearing; a plane bearing is mounted on the threaded sleeve; a worm gear is fixed on the threaded sleeve; the lower end surface of the worm gear is in contact with the circle body on the plane bearing; the worm gear is meshed with the worm; a screw rod is connected into the threaded sleeve; the upper end part of the screw rod is in bolted connection with a clamp nut; and the lower end part is in bolted connection with a lock nut. According to the invention, two beam lifting screw rod structures are adopted, the stress during the process of beam lifting is balanced, the error of the surface planeness during processing is ensured, and the precision of the lathe is improved.
Description
Technical field
The present invention relates to a kind of single-column lathe beam lifting structure, the invention belongs to the lathe structure technical field.
Background technology
Vertical lathe crossbeam fast lifting structure can reach desired location fast, increases work efficiency.Single-pole vertical lathe beam lifting structure adopts single elevating screw structure mostly at present, make beam lifting, in this structure, owing to adopting single screw mandrel elevator chamber, in lifting process, beam force is uneven, run-off the straight, in process, cause the flatness error of processing plane to strengthen, thereby machine tool accuracy is reduced.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of processing work flatness error that caused by force unbalance of can improving to become large problem, the single-column lathe beam lifting structure of raising machine finish.
According to technical scheme provided by the invention, described single-column lathe beam lifting structure, be bolted cover plate at casing, rotating turret is provided with worm screw on casing, on casing, be rotatablely equipped with thread bush by needle bearing and deep groove ball bearing, at thread bush plane bearing is installed, be fixed with worm gear at thread bush, the lower surface of worm gear contacts with the upper circle body of plane bearing, worm gear and worm engaging, in thread bush, be bolted with screw mandrel, be bolted with clamp nut in the upper end of screw mandrel, be bolted with locking nut in the bottom of thread bush.
Thread bush between needle bearing and deep groove ball bearing is socketed with the first spacer, outside the first spacer, be socketed with the second spacer, the upper end of the first spacer contacts with the inner ring body of needle bearing, the bottom of the first spacer contacts with the inner ring body of deep groove ball bearing, the upper end of the second spacer contacts with the outer ring body of needle bearing, and the bottom of the second spacer contacts with the outer ring body of deep groove ball bearing.
Thread bush between deep groove ball bearing and locking nut is socketed with the 3rd spacer, and the upper end of the 3rd spacer contacts with the outer ring body of deep groove ball bearing, and the bottom of the 3rd spacer contacts with locking nut.
Thread bush between plane bearing and needle bearing is socketed with adjusting pad, and the upper surface of adjusting pad contacts with the lower circle body of plane bearing, and the lower surface of adjusting pad contacts with the outer ring body of needle bearing.
The present invention adopts two beam lifting screw structures, balance beam lifting process stressed, guaranteed the flatness error of processing plane to have improved machine tool accuracy.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
As shown in the figure, this single-column lathe beam lifting structure, on casing 8, be fixed with cover plate 3 by bolt 15, rotating turret is provided with worm screw 16 on casing 8, on casing 8, be rotatablely equipped with thread bush 4 by needle bearing 9 and deep groove ball bearing 12, at thread bush 4 plane bearing 6 is installed, be fixed with worm gear 5 at thread bush 4, the lower surface of worm gear 5 contacts with the upper circle body of plane bearing 6, worm gear 5 and worm screw 16 engagements, be bolted with screw mandrel 2 in thread bush 4, threaded portion is connected to clamp nut 1 in the upper end of screw mandrel 2, and threaded portion is connected to locking nut 14 in the lower end of thread bush 4.
Thread bush 4 between needle bearing 9 and deep groove ball bearing 12 is socketed with the first spacer 10, outside the first spacer 10, be socketed with the second spacer 11, the upper end of the first spacer 10 contacts with the inner ring body of needle bearing 9, the bottom of the first spacer 10 contacts with the inner ring body of deep groove ball bearing 12, the upper end of the second spacer 11 contacts with the outer ring body of needle bearing 9, and the bottom of the second spacer 11 contacts with the outer ring body of deep groove ball bearing 12.
The upper end that thread bush 4 between deep groove ball bearing 12 and locking nut 14 is socketed with the 3rd spacer 13, the three spacers 13 contacts with the outer ring body of deep groove ball bearing 12, and the bottom of the 3rd spacer 13 contacts with locking nut 14.
Thread bush 4 between plane bearing 6 and needle bearing 9 is socketed with adjusting pad 7, and the upper surface of adjusting pad 7 contacts with the lower circle body of plane bearing 6, and the lower surface of adjusting pad 7 contacts with the outer ring body of needle bearing 9.
Among the present invention, cover plate 3 usefulness bolts 15 are fixed on the casing 8, worm screw 5 is rotated to set up and is installed on the casing 8, screw mandrel 2 is installed in thread bush 4 interior composition rotational structures, be used for beam lifting, worm gear 5 is fixedly mounted on the thread bush 4, adjusting pad 7 is installed in the groove of casing 8, plane bearing 6 is installed on the thread bush 4, needle bearing 9 is installed in casing 8 holes, deep groove ball bearing 12 is installed in casing 8 holes, 12 of needle bearing 9 and deep groove ball bearings are with the first spacer 10, the second spacer 11 is located respectively in needle bearing 9 and the deep groove ball bearing 12, outer ring body, thread bush 4 is installed in the endoporus of needle bearing 9 and deep groove ball bearing 12, the outer ring of deep groove ball bearings 12 is located with nut 1 locking, the bottom of thread bush 4 in screw mandrel 2 upper ends with the 3rd spacer 13, lock with two locking nuts 14 bottom of thread bush 4, described worm gear 5, worm screw 16 is meshed, and forms drive structure of gear worm.
The present invention adopts two beam lifting screw structures, balance beam lifting process stressed, reduced the flatness error of processing plane, improved machine tool accuracy.
Claims (4)
1. single-column lathe beam lifting structure, be fixed with cover plate (3) at casing (8) by bolt (15), it is characterized in that: be provided with worm screw (16) at the upper rotating turret of casing (8), be rotatablely equipped with thread bush (4) at casing (8) by needle bearing (9) and deep groove ball bearing (12), at thread bush (4) plane bearing (6) is installed, be fixed with worm gear (5) at thread bush (4), the lower surface of worm gear (5) contacts with the upper circle body of plane bearing (6), worm gear (5) and worm screw (16) engagement, in thread bush (4), be bolted with screw mandrel (2), be bolted with clamp nut (1) in the upper end of screw mandrel (2), be bolted with locking nut (14) in the bottom of thread bush (4).
2. single-column lathe beam lifting structure as claimed in claim 1, it is characterized in that: the thread bush (4) between needle bearing (9) and deep groove ball bearing (12) is socketed with the first spacer (10), outside the first spacer (10), be socketed with the second spacer (11), the upper end of the first spacer (10) contacts with the inner ring body of needle bearing (9), the bottom of the first spacer (10) contacts with the inner ring body of deep groove ball bearing (12), the upper end of the second spacer (11) contacts with the outer ring body of needle bearing (9), and the bottom of the second spacer (11) contacts with the outer ring body of deep groove ball bearing (12).
3. single-column lathe beam lifting structure as claimed in claim 1, it is characterized in that: the thread bush (4) between deep groove ball bearing (12) and locking nut (14) is socketed with the 3rd spacer (13), the upper end of the 3rd spacer (13) contacts with the outer ring body of deep groove ball bearing (12), and the bottom of the 3rd spacer (13) contacts with locking nut (14).
4. single-column lathe beam lifting structure as claimed in claim 1, it is characterized in that: the thread bush (4) between plane bearing (6) and needle bearing (9) is socketed with adjusting pad (7), the upper surface of adjusting pad (7) contacts with the lower circle body of plane bearing (6), and the lower surface of adjusting pad (7) contacts with the outer ring body of needle bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506031.5A CN103009074B (en) | 2012-11-30 | 2012-11-30 | Beam lifting structure of single-column vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506031.5A CN103009074B (en) | 2012-11-30 | 2012-11-30 | Beam lifting structure of single-column vertical lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103009074A true CN103009074A (en) | 2013-04-03 |
| CN103009074B CN103009074B (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210506031.5A Expired - Fee Related CN103009074B (en) | 2012-11-30 | 2012-11-30 | Beam lifting structure of single-column vertical lathe |
Country Status (1)
| Country | Link |
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| CN (1) | CN103009074B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639447A (en) * | 2013-11-18 | 2014-03-19 | 无锡京华重工装备制造有限公司 | Beam protecting structure |
| CN113118883A (en) * | 2021-04-08 | 2021-07-16 | 河南科技大学 | Special hob relief grinding device for numerical control lathe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021623B1 (en) * | 1979-05-31 | 1987-03-04 | Fortune Engineering Limited | Worm screw jack apparatus and method of making same |
| CN1740592A (en) * | 2004-09-28 | 2006-03-01 | 田衍新 | Elevator of bending and winding machine |
| CN201253683Y (en) * | 2008-09-02 | 2009-06-10 | 芜湖恒升重型机床股份有限公司 | Beam fine tuning mechanism of double column vertical lathe |
| CN201317650Y (en) * | 2008-12-19 | 2009-09-30 | 杭州速博雷尔传动机械有限公司 | Worm screw mandrel lifter |
| CN201376192Y (en) * | 2009-02-10 | 2010-01-06 | 黄山皖南机床有限公司 | Vertical quick mobile device of elevating table milling machine |
| CN101745817A (en) * | 2008-12-03 | 2010-06-23 | 南车戚墅堰机车有限公司 | Beam dynamic leveling device for movable beam gantry equipment |
| CN202284132U (en) * | 2011-10-14 | 2012-06-27 | 天津赛瑞机器设备有限公司 | Spiral elevator |
| CN202934351U (en) * | 2012-11-30 | 2013-05-15 | 无锡京华重工装备制造有限公司 | Single-column vertical lathe beam lifting structure |
-
2012
- 2012-11-30 CN CN201210506031.5A patent/CN103009074B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021623B1 (en) * | 1979-05-31 | 1987-03-04 | Fortune Engineering Limited | Worm screw jack apparatus and method of making same |
| CN1740592A (en) * | 2004-09-28 | 2006-03-01 | 田衍新 | Elevator of bending and winding machine |
| CN201253683Y (en) * | 2008-09-02 | 2009-06-10 | 芜湖恒升重型机床股份有限公司 | Beam fine tuning mechanism of double column vertical lathe |
| CN101745817A (en) * | 2008-12-03 | 2010-06-23 | 南车戚墅堰机车有限公司 | Beam dynamic leveling device for movable beam gantry equipment |
| CN201317650Y (en) * | 2008-12-19 | 2009-09-30 | 杭州速博雷尔传动机械有限公司 | Worm screw mandrel lifter |
| CN201376192Y (en) * | 2009-02-10 | 2010-01-06 | 黄山皖南机床有限公司 | Vertical quick mobile device of elevating table milling machine |
| CN202284132U (en) * | 2011-10-14 | 2012-06-27 | 天津赛瑞机器设备有限公司 | Spiral elevator |
| CN202934351U (en) * | 2012-11-30 | 2013-05-15 | 无锡京华重工装备制造有限公司 | Single-column vertical lathe beam lifting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639447A (en) * | 2013-11-18 | 2014-03-19 | 无锡京华重工装备制造有限公司 | Beam protecting structure |
| CN113118883A (en) * | 2021-04-08 | 2021-07-16 | 河南科技大学 | Special hob relief grinding device for numerical control lathe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103009074B (en) | 2015-03-18 |
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Granted publication date: 20150318 Termination date: 20151130 |
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| EXPY | Termination of patent right or utility model |