CN106979296A - A kind of transmission device of screw-nut dual drive - Google Patents
A kind of transmission device of screw-nut dual drive Download PDFInfo
- Publication number
- CN106979296A CN106979296A CN201710421737.4A CN201710421737A CN106979296A CN 106979296 A CN106979296 A CN 106979296A CN 201710421737 A CN201710421737 A CN 201710421737A CN 106979296 A CN106979296 A CN 106979296A
- Authority
- CN
- China
- Prior art keywords
- screw
- bearing
- armature spindle
- motor
- nut
- Prior art date
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 230000009977 dual effect Effects 0.000 title claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to machinery manufacturing technology field, more particularly to a kind of transmission device of screw-nut dual drive is made up of, leading screw one end is coupled by shaft coupling with servomotor leading screw, screw, direct driving motor, servomotor and shaft coupling；Screw couples with the output end of direct driving motor, and spiral is on leading screw.The present invention is driven using leading screw and the form of screw dual drive and forms differential process, reached the high-precision quick response of screw-nut system, improve the kinematic accuracy and response speed and efficiency of screw-nut simultaneously by screw-nut.
Description
Technical field
The invention belongs to machinery manufacturing technology field, more particularly to a kind of transmission device of screw-nut dual drive.
Background technology
Screw-nut transmission is due to advantages such as small, the achievable accurate Fine Feeds of friction loss, as linear motion
In the kind of drive that is most widely used.The current screw-nut kind of drive substantially drives leading screw to rotate come real by motor
Existing smooth movement of the screw on leading screw.And with the development of Numeric Control Technology, to the transmission efficiency and transmission accuracy of linear motion
It is also proposed higher and higher requirement, this kind of drive for driving leading screw to rotate by single motor can not meet high accuracy,
Efficient demand for development.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of linear motion of screw-nut dual drive biography
Flowing mode, is driven and forms differential process, to improve response speed and efficiency, and improve screw-nut simultaneously by screw-nut
Kinematic accuracy.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：A kind of screw-nut is double to be driven
Dynamic transmission device, is made up of leading screw, screw, direct driving motor, servomotor and shaft coupling, and leading screw one end is by shaft coupling with watching
Take motor connection；Screw couples with the output end of direct driving motor, and spiral is on leading screw.
A kind of transmission device of screw-nut dual drive, the direct driving motor is by motor stator, armature spindle, bearing, bearing
Spacer ring, bearing block, bearing gland, locking nut, encoder, motor housing, motor rear cover, outside framework oil seal and lubrication oiling plate
Composition, armature spindle is fixed on bearing block by two groups of bearings, and bearing spacer, two groups of bearing difference are provided between two groups of bearings
By the locking nut of the bearing gland of bearing front end, bearing block and bearing rear end in armature spindle axial restraint, bearing gland
It is installed on bearing block, locking nut spiral is on armature spindle, and bearing gland and armature spindle shaft end form labyrinth seal；The axle
Bearing is fixedly connected with motor housing；Motor stator is located inside motor housing, and is interacted with the magnetic shoe on armature spindle, band
Dynamic armature spindle is rotated；The rear end of armature spindle is fixedly connected and has encoder；Motor rear cover is arranged on rotor shaft tail end, motor rear cover
End center is provided with outside framework oil seal；Lubrication oiling plate is installed on motor rear cover.
A kind of transmission device of screw-nut dual drive, the armature spindle is hollow structure, and screw passes through screw and rotor
Axle couples.
Linear moving mechanism installation is provided with the outside of a kind of transmission device of screw-nut dual drive, the bearing block
Multiple screw mounting holes are provided with position, linear moving mechanism installation position.
Compared with prior art, the beneficial effects of the present invention are：The present invention uses the form of leading screw and screw dual drive,
It is driven simultaneously by screw-nut and forms differential process, is reached the high-precision quick response of screw-nut system, improve leading screw
The kinematic accuracy and response speed and efficiency of screw.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention.
Fig. 2 is the external structure schematic diagram of the present invention.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of transmission device of screw-nut dual drive of the present invention, by leading screw 1, screw 2, direct driving motor
3rd, servomotor 4 and shaft coupling 5 are constituted.
Direct driving motor 3 includes armature spindle 301, bearing 302, bearing spacer 303, bearing block 304, bearing gland 305, locking
Nut 306, motor stator 307, motor housing 308, encoder 309, motor rear cover 310, outside framework oil seal 311 and lubrication oiling
Plate 312, armature spindle 301 is hollow structure, and is fixed on by two groups of bearings 302 on bearing block 304, between two groups of bearings 302
Bearing spacer 303 is provided with, the inner ring of bearing spacer 303 is corresponding with the inner ring of bearing 302, is rotated with the inner ring of bearing 302,
The outer ring of bearing spacer 303 is corresponding with the outer ring of bearing 302.Bearing 302 passes through bearing gland 305, the axle of bearing front end respectively
The locking nut 306 of bearing 304 and bearing rear end is installed on bearing block in the axial restraint of armature spindle 301, bearing gland 305
On 304, and labyrinth seal is formed with the shaft end of armature spindle 301, prevent cutting fluid etc. from entering inside direct driving motor；Locking nut 306
Spiral is on armature spindle 301.Bearing block 304 is fixedly connected with motor housing 308；Motor stator 307 is located in motor housing 308
Portion, and interacted with the magnetic shoe on armature spindle 301, rotor driven axle 301 is rotated.The rear end of armature spindle 301 is joined by screw
Encoder 309 is connected to, encoder 309 is rotated with armature spindle, the angle of rotation of encoder 309 can be recognized by encoder count head
Spend, and feed back to control system and compensate, it is ensured that armature spindle 301 can complete high-precision rotation.Motor rear cover 310 and motor
Shell 308 is corresponding, and positioned at the tail end of armature spindle 301, the end center of motor rear cover 310 is additionally provided with outside framework oil seal 311,
Direct driving motor is internally formed effective sealing.Lubrication oiling plate 312 is installed on motor rear cover 310.
One end of leading screw 1 is coupled by shaft coupling 5 with servomotor 4；Screw 2 is coupled by screw with armature spindle 301, silk
Female 2 spirals make leading screw 1 through the centre bore of armature spindle 301 on leading screw 1.
As shown in Fig. 2 being additionally provided with screw mounting hole 341 on bearing block 304, linear moving mechanism can pass through screw and spiral shell
Nail mounting hole 341 couples with bearing block 304, realizes linear moving mechanism and nut seat synchronizing moving.
In use, being rotated by servomotor 4 of leading screw 1, screw 2 is rotated backward in the presence of direct driving motor 3,
The two forms differential gearing, so as to realize the high speed of linear moving mechanism, high accuracy rectilinear movement.
Although the present invention is described in detail above, the invention is not restricted to this, those skilled in the art can be with
Various modifications are carried out according to the principle of the present invention.Therefore, all modifications made according to the principle of the invention, all should be understood to fall into
Protection scope of the present invention.
Claims (4)
1. a kind of transmission device of screw-nut dual drive, it is characterised in that by leading screw, screw, direct driving motor, servomotor and
Shaft coupling is constituted, and leading screw one end is coupled by shaft coupling with servomotor；Screw couples with the output end of direct driving motor, and spiral
In on leading screw.
2. a kind of transmission device of screw-nut dual drive according to claim 1, it is characterised in that the direct driving motor
By motor stator, armature spindle, bearing, bearing spacer, bearing block, bearing gland, locking nut, encoder, motor housing, motor
Bonnet, outside framework oil seal and lubrication oiling plate composition, armature spindle is fixed on bearing block by two groups of bearings, between two groups of bearings
Bearing spacer is provided with, two groups of bearings pass through the locking screw of the bearing gland of bearing front end, bearing block and bearing rear end respectively
Mother is in armature spindle axial restraint, and bearing gland is installed on bearing block, and locking nut spiral bearing gland and turns on armature spindle
Sub- axle shaft end forms labyrinth seal；The bearing block is fixedly connected with motor housing；Motor stator is located inside motor housing, and
Interacted with the magnetic shoe on armature spindle, rotor driven axle is rotated；The rear end of armature spindle is fixedly connected and has encoder；Motor rear cover
Rotor shaft tail end is arranged on, the end center of motor rear cover is provided with outside framework oil seal；Lubrication oiling plate is installed on motor rear cover
On.
3. a kind of transmission device of screw-nut dual drive according to claim 2, it is characterised in that the armature spindle is
Hollow structure, screw is coupled by screw with armature spindle.
4. a kind of transmission device of screw-nut dual drive according to Claims 2 or 3, it is characterised in that the bearing
The outside of seat, which is provided with linear moving mechanism installation position, linear moving mechanism installation position, is provided with multiple screw mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421737.4A CN106979296A (en) | 2017-06-07 | 2017-06-07 | A kind of transmission device of screw-nut dual drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421737.4A CN106979296A (en) | 2017-06-07 | 2017-06-07 | A kind of transmission device of screw-nut dual drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979296A true CN106979296A (en) | 2017-07-25 |
Family
ID=59344325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710421737.4A Pending CN106979296A (en) | 2017-06-07 | 2017-06-07 | A kind of transmission device of screw-nut dual drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464618A (en) * | 2021-07-01 | 2021-10-01 | 扬州市职业大学(扬州市广播电视大学) | High-precision lead screw adjusting structure |
| CN115616141A (en) * | 2021-07-16 | 2023-01-17 | 北京先驱威锋技术开发公司 | High-precision titration analyzer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201291387Y (en) * | 2008-08-15 | 2009-08-19 | 宁波海天精工机械有限公司 | Modified roll mechanism control shaft dual-drive mechanism |
| CN101844317A (en) * | 2010-03-25 | 2010-09-29 | 合肥工业大学 | Device and method for correcting transmission error of precise numerical control machine closed loop servo system |
| CN101888137A (en) * | 2010-07-14 | 2010-11-17 | 哈尔滨工业大学 | Servo direct driving module |
| CN103414281A (en) * | 2013-04-26 | 2013-11-27 | 杭州中科赛思伺服电机有限公司 | Linear motion conversion method for servo motor |
| CN204295395U (en) * | 2014-12-15 | 2015-04-29 | 山东永华机械有限公司 | The two drive transmission device of single screw |
| CN104714485A (en) * | 2015-02-12 | 2015-06-17 | 山东大学 | Novel high-precision micro-feeding servo system and control method thereof |
-
2017
- 2017-06-07 CN CN201710421737.4A patent/CN106979296A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201291387Y (en) * | 2008-08-15 | 2009-08-19 | 宁波海天精工机械有限公司 | Modified roll mechanism control shaft dual-drive mechanism |
| CN101844317A (en) * | 2010-03-25 | 2010-09-29 | 合肥工业大学 | Device and method for correcting transmission error of precise numerical control machine closed loop servo system |
| CN101888137A (en) * | 2010-07-14 | 2010-11-17 | 哈尔滨工业大学 | Servo direct driving module |
| CN103414281A (en) * | 2013-04-26 | 2013-11-27 | 杭州中科赛思伺服电机有限公司 | Linear motion conversion method for servo motor |
| CN204295395U (en) * | 2014-12-15 | 2015-04-29 | 山东永华机械有限公司 | The two drive transmission device of single screw |
| CN104714485A (en) * | 2015-02-12 | 2015-06-17 | 山东大学 | Novel high-precision micro-feeding servo system and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464618A (en) * | 2021-07-01 | 2021-10-01 | 扬州市职业大学(扬州市广播电视大学) | High-precision lead screw adjusting structure |
| CN115616141A (en) * | 2021-07-16 | 2023-01-17 | 北京先驱威锋技术开发公司 | High-precision titration analyzer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170725 |