CN106425639A - Feed transmission structure of numerical control machine tool - Google Patents
Feed transmission structure of numerical control machine tool Download PDFInfo
- Publication number
- CN106425639A CN106425639A CN201610760776.2A CN201610760776A CN106425639A CN 106425639 A CN106425639 A CN 106425639A CN 201610760776 A CN201610760776 A CN 201610760776A CN 106425639 A CN106425639 A CN 106425639A
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- CN
- China
- Prior art keywords
- screw
- ball
- tail end
- control machine
- machine tool
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- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/404—Screw bearings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0003—Arrangements for preventing undesired thermal effects on tools or parts of the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of numerical control machine tools, in particular to a feed transmission structure of a numerical control machine tool. A support end of a ball screw in the feed transmission structure of the numerical control machine tool supports a bearing support through a tail end; an outer ring presses a flange press by a tail end; an inner ring firstly locks a tail end support bearing through a tail end locking nut and pretightens the ball screw, and then, locks the ball screw through a return pressing nut, so that the tail end support bearing can be locked, the ball screw can be prestretched, and the error caused by heating of the ball screw in high-speed operation process is effectively reduced; and the feed transmission structure of the numerical control machine tool is convenient for adjustment, and can effectively improve the assembly efficiency.
Description
Technical field
The present invention relates to numerical control machine tool technique field, more particularly to a kind of feed transmission structure of Digit Control Machine Tool.
Background technology
The motion of Digit Control Machine Tool has main motion and feed motion, and the purpose of feed motion is to make to produce between cutter and workpiece
Additional relative motion, along with main motion, you can constantly or continuously cuts off chip, and obtains with required geometric properties
Machined surface.
Feed motion is one of basic exercise of lathe, and the crudy to lathe and production efficiency have direct shadow
Ring.Feed transmission structure is varied, and lead screw transmission is a kind of traditional version of comparison, and warp in currently available technology
Commonly used, however, Lead screw transmission structure of the prior art is complicated, and there is leading screw no pretension, the unlocked shortcoming of waiting indefinitely of bearing.
In the above case, the error for causing after leading screw is generated heat during running up easily is improved.
Based on above description, a kind of feed transmission structure of new Digit Control Machine Tool is needed badly, to solve to exist in prior art
Due to not locked the caused error that causes after leading screw is generated heat during running up of improving of leading screw no pretension, bearing
Problem.
Content of the invention
It is an object of the invention to provide tail end can be propped up by a kind of feed transmission structure of Digit Control Machine Tool using the drive mechanism
Bearing locking is held, ball-screw can be pre-stretched again, effectively minimizing leading screw causes after generating heat during running up
Error.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of feed transmission structure of Digit Control Machine Tool, including servomotor and ball-screw, the servomotor passes through shaft coupling
It is connected with ball-screw, it is support end that ball-screw one end connected with shaft coupling is motor side, the other end；
The motor side of the ball-screw is supported by motor side spring bearing, and outer shroud is compressed with motor side supported flange, internal ring
By motor side locking nut clamping motor end spacer, and then motor side spring bearing is compressed the shaft shoulder of ball-screw；
The support end of the ball-screw is supported by tail end radial journal bearing, and outer shroud is compressed with tail end supported flange, and internal ring first leads to
Cross tail end locking nut to lock tail end radial journal bearing and carry out pretension to ball-screw, afterwards by back pressure nut to rolling
Ballscrew is locked.
Used as preferred, the motor side of the ball-screw passes through 3 motor side spring bearing combined support.
Used as preferred, the support end of the ball-screw passes through 2 tail end radial journal bearing combined support.
Preferably, being provided with tail end spacer, the tail between the tail end locking nut and the tail end radial journal bearing
Back pressure spacer is arranged with the excircle of ball-screw on the inside of the radial journal bearing of end, sheathed limited on the excircle of the back pressure spacer
Position collision block.
Preferably, the ball-screw is provided with feed screw nut at support end, the feed screw nut is enclosed within described
On the excircle of ball-screw, and the feed screw nut is located on the inside of the spacing collision block, and the feed screw nut is arranged on nut
On seat.
Used as preferred, the servomotor is on motor cabinet.
Preferably, the motor cabinet is arranged on lathe base, and the centre position positioned at the lathe base.
Preferably, the left and right two ends of the lathe base are respectively arranged with guide rail slide block, both sides guide rail slide block is with lathe
It is symmetric centered on base, in the guide rail slide block of both sides, guide rail is separately installed with, the guide rail upper end is provided with mobile working
Platform, and the upper end of the guide rail is embedded in the mobile work platform lower end.
The feed transmission structure of the Digit Control Machine Tool that the application is provided has the characteristics that and beneficial effect compared with prior art
Really：
Support end due to the ball-screw in the feed transmission structure of the Digit Control Machine Tool of the application offer passes through tail end supporting axis
Support is held, outer shroud is compressed with tail end supported flange, internal ring first passes through tail end locking nut and tail end radial journal bearing is locked simultaneously
Pretension is carried out to ball-screw, by back pressure nut, ball-screw is locked afterwards, do so can be by tail end supporting axis
Locking is held, ball-screw can be pre-stretched again, effectively minimizing ball-screw causes after generating heat during running up
Error；And easy to adjust, can also effectively improve efficiency of assembling.
Description of the drawings
The transverse sectional view of the feed transmission structure of the Digit Control Machine Tool that Fig. 1 is provided for the present invention；
The longitudinal sectional view of the feed transmission structure of the Digit Control Machine Tool that Fig. 2 is provided for the present invention.
Reference,
1- servomotor；2- motor cabinet；3- shaft coupling；4- motor side supported flange；5- motor side spring bearing；6- lathe bottom
Seat；7- ball-screw；8- back pressure nut；9- tail end radial journal bearing；10- tail end supported flange；11- tail end locking nut；12- tail
End spacer；13- back pressure spacer；14- spacing collision block；15- feed screw nut；16- nut seat；17- mobile work platform；18- motor side
Spacer；19- motor side locking nut；21- guide rail slide block；22- guide rail；23- guide rail；24- guide rail slide block.
Specific embodiment
Accompanying drawing is combined below by specific embodiment to be described in further detail the present invention.
As shown in Figure 1 to Figure 2, the feed transmission structure of the Digit Control Machine Tool that the application is provided includes servomotor 1 and ball
Leading screw 7, the servomotor 1 is connected with ball-screw 7 by shaft coupling 3, and the ball-screw 7 is connected with shaft coupling 3
One end is motor side, and the other end is support end.
The motor side of the ball-screw 7 is supported by motor side spring bearing 5, and outer shroud motor side supported flange 4 is pressed
Tightly, internal ring passes through 19 clamping motor end spacer 18 of motor side locking nut, and then motor side spring bearing 5 is compressed ball-screw
7 shaft shoulder.
The support end of the ball-screw 7 is supported by tail end radial journal bearing 9, and outer shroud tail end supported flange 10 is compressed,
Internal ring first passes through tail end locking nut 11 and tail end radial journal bearing 9 is locked and carries out pretension to ball-screw 7, passes through afterwards
Back pressure nut 8 is locked to ball-screw 7.
Support end due to ball-screw 7 is supported by tail end radial journal bearing 9, and outer shroud tail end supported flange 10 is compressed,
Internal ring first passes through tail end locking nut 11 and tail end radial journal bearing 9 is locked and carries out pretension to ball-screw 7, passes through afterwards
Back pressure nut 8 is locked to ball-screw 7, and tail end radial journal bearing 9 can be locked by do so, ball-screw 7 can be entered again
Row pre-stretching, effectively reduces the error for causing after ball-screw 7 is generated heat during running up；And easy to adjust, may be used also
Efficiency of assembling is effectively improved.
In the present embodiment, preferably, the motor side of the ball-screw 7 passes through 3 motor side spring bearings 5
Combined support.Certainly, the number of the motor side spring bearing 5 is not limited to 3, can also be 2,4,5 etc..
In the present embodiment, preferably, the support end of the ball-screw 7 passes through 9 groups of 2 tail end radial journal bearings
Close and support.Certainly, the number of the tail end radial journal bearing 9 is not limited to 2, can also be 3,4,5 etc..
In the present embodiment, preferably, set between the tail end locking nut 11 and the tail end radial journal bearing 9
Tail end spacer 12 is equipped with, tail end spacer 12 is set on the excircle of ball-screw 7,9 inner side ball of the tail end radial journal bearing
Back pressure spacer 13 is arranged with the excircle of leading screw 7, is arranged with spacing collision block 14 on the excircle of the back pressure spacer 13.
In the present embodiment, preferably, the ball-screw 7 is provided with feed screw nut 15 at support end,
The feed screw nut 15 is enclosed within the excircle of the ball-screw 7, and the feed screw nut 15 is located at the spacing collision block 14
Inner side, the feed screw nut 15 is on nut seat 16.
In the present embodiment, preferably, the servomotor 1 is on motor cabinet 2, and motor cabinet 2 is located at and watches
Take 1 lower end of motor.
In the present embodiment, preferably, the motor cabinet 2 is arranged on lathe base 6, and is located at described
The centre position of lathe base 6.Certainly, the motor cabinet 2 is not limited to the middle position installed in lathe base 6.
In the present embodiment, preferably, the left and right two ends of the lathe base 6 are respectively arranged with guide rail slide block,
That is guide rail slide block 21 and guide rail slide block 24, guide rail slide block 21 and guide rail slide block 24 are symmetric centered on lathe base 6, are led
Guide rail 22 is installed in rail slide block 21, guide rail 23 is installed in guide rail slide block 24, the upper end of the guide rail 22 and guide rail 23 is arranged
There is mobile work platform 17, and the upper end of guide rail 22 and guide rail 23 is respectively embedded into 17 lower end of the mobile work platform.
Hereinafter the motion mode of the feed transmission structure of Digit Control Machine Tool is introduced, motion portion is driven with ball screw 7
As a example by part does the feed motion of an axle of Digit Control Machine Tool：Servomotor 1 directly drives ball-screw 7 by shaft coupling 3 and rotates,
Feed screw nut 15 on ball-screw 7 follows ball-screw 7 to rotate, while driving nut seat 16 and mobile work platform 17 along leading
Rail 22 and guide rail 23 are moved along a straight line.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of feed transmission structure of Digit Control Machine Tool, it is characterised in that including servomotor and ball-screw, the servo
Motor is connected with ball-screw by shaft coupling, and ball-screw one end connected with shaft coupling is motor side, the other end
For support end；
The motor side of the ball-screw is supported by motor side spring bearing, and outer shroud is compressed with motor side supported flange, internal ring
By motor side locking nut clamping motor end spacer, and then motor side spring bearing is compressed the shaft shoulder of ball-screw；
The support end of the ball-screw is supported by tail end radial journal bearing, and outer shroud is compressed with tail end supported flange, and internal ring first leads to
Cross tail end locking nut to lock tail end radial journal bearing and carry out pretension to ball-screw, afterwards by back pressure nut to rolling
Ballscrew is locked.
2. the feed transmission structure of Digit Control Machine Tool according to claim 1, it is characterised in that the electricity of the ball-screw
Generator terminal passes through 3 motor side spring bearing combined support.
3. the feed transmission structure of Digit Control Machine Tool according to claim 1, it is characterised in that the ball-screw
Support end passes through 2 tail end radial journal bearing combined support.
4. the feed transmission structure of Digit Control Machine Tool according to claim 1, it is characterised in that the tail end locking nut
Tail end spacer is provided between the tail end radial journal bearing, is covered on the inside of the tail end radial journal bearing on the excircle of ball-screw
Back pressure spacer is provided with, on the excircle of the back pressure spacer, is arranged with spacing collision block.
5. the feed transmission structure of Digit Control Machine Tool according to claim 4, it is characterised in that the ball-screw is close
Feed screw nut is provided with support end, and the feed screw nut is enclosed within the excircle of the ball-screw, and the feed screw nut
On the inside of the spacing collision block, the feed screw nut is on nut seat.
6. the feed transmission structure of Digit Control Machine Tool according to claim 5, it is characterised in that the servomotor is installed
On motor cabinet.
7. the feed transmission structure of Digit Control Machine Tool according to claim 6, it is characterised in that the motor cabinet is arranged to be installed
On lathe base, and the centre position positioned at the lathe base.
8. the feed transmission structure of Digit Control Machine Tool according to claim 7, it is characterised in that the left and right of the lathe base
Two ends are respectively arranged with guide rail slide block, and both sides guide rail slide block is symmetric centered on lathe base, in the guide rail slide block of both sides
Guide rail is separately installed with, the guide rail upper end is provided with mobile work platform, and the upper end of the guide rail is embedded in the mobile working
Platform lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760776.2A CN106425639A (en) | 2016-08-30 | 2016-08-30 | Feed transmission structure of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760776.2A CN106425639A (en) | 2016-08-30 | 2016-08-30 | Feed transmission structure of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106425639A true CN106425639A (en) | 2017-02-22 |
Family
ID=58090343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760776.2A Pending CN106425639A (en) | 2016-08-30 | 2016-08-30 | Feed transmission structure of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106425639A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223736A (en) * | 2018-03-21 | 2018-06-29 | 成都金士力科技有限公司 | A kind of straight line module for high and low temperature environment |
| CN108581585A (en) * | 2018-07-28 | 2018-09-28 | 重庆宏钢数控机床有限公司 | Stretching device for leading screw pre-stretching |
| CN108637770A (en) * | 2018-04-27 | 2018-10-12 | 南通国盛智能科技集团股份有限公司 | A kind of drive mechanism reducing Thermal Error |
| CN113814747A (en) * | 2021-10-12 | 2021-12-21 | 安徽鹏睿智能科技有限公司 | High-rigidity screw rod transmission and lathe bed system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195538A (en) * | 1978-05-18 | 1980-04-01 | Hardinge Brothers, Inc. | Machine tool feed screw assembly |
| CN2788961Y (en) * | 2004-06-11 | 2006-06-21 | 上海团结百超数控激光设备有限公司 | Lead screw pretightening apparatus |
| CN200991831Y (en) * | 2006-12-27 | 2007-12-19 | 天水星火机床有限责任公司 | Numerically-controlling type horizontal machine-tool direct-connection longitudinal feeding device |
| CN201848702U (en) * | 2010-07-16 | 2011-06-01 | 许世雄 | Sliding table device of machine tool |
| CN102615545A (en) * | 2012-03-23 | 2012-08-01 | 天水星火机床有限责任公司 | Feed device for vertical machine tool |
| CN103072035A (en) * | 2013-01-24 | 2013-05-01 | 无锡市欧泰数控机床有限公司 | Pre-stretching locking mechanism for ball screw |
| CN104858701A (en) * | 2015-06-08 | 2015-08-26 | 沈机集团昆明机床股份有限公司 | Straight feeding device used for numerical control machine tool |
| CN206010554U (en) * | 2016-08-30 | 2017-03-15 | 重庆威诺克智能装备股份有限公司 | A kind of feed transmission structure of Digit Control Machine Tool |
-
2016
- 2016-08-30 CN CN201610760776.2A patent/CN106425639A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195538A (en) * | 1978-05-18 | 1980-04-01 | Hardinge Brothers, Inc. | Machine tool feed screw assembly |
| CN2788961Y (en) * | 2004-06-11 | 2006-06-21 | 上海团结百超数控激光设备有限公司 | Lead screw pretightening apparatus |
| CN200991831Y (en) * | 2006-12-27 | 2007-12-19 | 天水星火机床有限责任公司 | Numerically-controlling type horizontal machine-tool direct-connection longitudinal feeding device |
| CN201848702U (en) * | 2010-07-16 | 2011-06-01 | 许世雄 | Sliding table device of machine tool |
| CN102615545A (en) * | 2012-03-23 | 2012-08-01 | 天水星火机床有限责任公司 | Feed device for vertical machine tool |
| CN103072035A (en) * | 2013-01-24 | 2013-05-01 | 无锡市欧泰数控机床有限公司 | Pre-stretching locking mechanism for ball screw |
| CN104858701A (en) * | 2015-06-08 | 2015-08-26 | 沈机集团昆明机床股份有限公司 | Straight feeding device used for numerical control machine tool |
| CN206010554U (en) * | 2016-08-30 | 2017-03-15 | 重庆威诺克智能装备股份有限公司 | A kind of feed transmission structure of Digit Control Machine Tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223736A (en) * | 2018-03-21 | 2018-06-29 | 成都金士力科技有限公司 | A kind of straight line module for high and low temperature environment |
| CN108637770A (en) * | 2018-04-27 | 2018-10-12 | 南通国盛智能科技集团股份有限公司 | A kind of drive mechanism reducing Thermal Error |
| CN108581585A (en) * | 2018-07-28 | 2018-09-28 | 重庆宏钢数控机床有限公司 | Stretching device for leading screw pre-stretching |
| CN113814747A (en) * | 2021-10-12 | 2021-12-21 | 安徽鹏睿智能科技有限公司 | High-rigidity screw rod transmission and lathe bed system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |