CN204295395U - The two drive transmission device of single screw - Google Patents
The two drive transmission device of single screw Download PDFInfo
- Publication number
- CN204295395U CN204295395U CN201420794844.3U CN201420794844U CN204295395U CN 204295395 U CN204295395 U CN 204295395U CN 201420794844 U CN201420794844 U CN 201420794844U CN 204295395 U CN204295395 U CN 204295395U
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- CN
- China
- Prior art keywords
- nut
- leading screw
- drive unit
- transmission
- reductor
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to the two drive transmission device of a kind of single screw, comprise leading screw, nut and drive unit, the two ends of leading screw are respectively arranged with the leading screw tail end bearing block and motor side bearing block that are connected with frame, drive unit is made up of the drive unit of leading screw and the drive unit of nut, the drive unit of leading screw is by lead screw transmission servomotor, reductor one and shaft coupling composition, leading screw drives servomotor by reductor one and shaft coupling and leading screw connection for transmission, the drive unit of nut is made up of nut actuator servo motor and speed reducer two, nut actuator servo motor via reducer and nut connection for transmission, nut outer surfaces is provided with the bearing holder (housing, cover) that bearing connects, bearing holder (housing, cover) is fixedly installed moving component.The utility model greatly extends the movement velocity scope of nut, can give play to the output in the most stable region of drive motors simultaneously.
Description
Technical field
The utility model belongs to machine tool drive apparatus field, is specifically related to the two drive transmission device of a kind of single screw.
Background technology
Ball-screw nut mechanism is mainly used to rotary motion is transformed to rectilinear motion or rectilinear motion is transformed to rotary motion.The feed screw of platen is to transmit motion.Its great advantage is that frictional resistance moment is little, transmission efficiency is high (92% ~ 98%), and precision is high, and system stiffness is good, and motion has invertibity, long service life, therefore in electro-mechanical system, obtains a large amount of extensive use.
Existing machine tool lead screw transmission mechanism is to transmit motion, and usual speed of related movement is relevant with limit speed to the helical pitch of screw mandrel, and helical pitch is large, the high then speed of related movement of limit speed fast, and helical pitch is little, the low speed of related movement of limit speed is slow.Servomotor can cause damage to servomotor under being in high load condition for a long time, affects life-span and the performance of motor.
Utility model content
The purpose of this utility model is to provide the two drive transmission device of a kind of single screw, greatly extends the movement velocity scope of screw, can give play to the output in the most stable region of drive motors simultaneously.
The utility model relates to the two drive transmission device of a kind of single screw, comprise leading screw, nut and drive unit, the two ends of leading screw are respectively arranged with the leading screw tail end bearing block and motor side bearing block that are connected with frame, drive unit is made up of the drive unit of leading screw and the drive unit of nut, the drive unit of leading screw is by lead screw transmission servomotor, reductor one and shaft coupling composition, leading screw drives servomotor by reductor one and shaft coupling and leading screw connection for transmission, the drive unit of nut is made up of nut actuator servo motor and speed reducer two, nut actuator servo motor via reducer and nut connection for transmission, nut outer surfaces is provided with the bearing holder (housing, cover) that bearing connects, bearing holder (housing, cover) is fixedly installed moving component.
Compared with prior art, the utility model has the advantage of:
Greatly extend the movement velocity scope of nut, the output in the most stable region of drive motors can have been given play to simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: the drive unit of 1 lead screw transmission servomotor, 2 leading screws, 3 reductor one, 4 shaft couplings, 5 motor side bearing blocks, 6 nut actuator servo motors, the transmission device of 7 nuts, 8 reductor two, 9 moving components, 10 leading screws, 11 leading screw tail end bearing blocks, 12 bearing holder (housing, cover)s, 13 nuts.
Detailed description of the invention
Contrast accompanying drawing below, by the description of optimum embodiment, detailed description of the invention of the present utility model is described in further detail.
The two drive transmission device of a kind of single screw as shown in Figure 1, comprise leading screw 10, nut 13 and drive unit, the two ends of leading screw 10 are respectively arranged with the leading screw tail end bearing block 11 and motor side bearing block 5 that are connected with frame, drive unit is made up of the drive unit 2 of leading screw and the drive unit 7 of nut, the drive unit 2 of leading screw is by lead screw transmission servomotor 1, reductor 1 and shaft coupling 4 form, leading screw drives servomotor 1 by reductor 1 and shaft coupling 4 and leading screw 10 connection for transmission, the drive unit 7 of nut is made up of nut actuator servo motor 6 and reductor 28, nut actuator servo motor 6 is by reductor 28 and nut 13 connection for transmission, nut 13 outer surface is provided with the bearing holder (housing, cover) 12 that bearing connects, bearing holder (housing, cover) 12 is fixedly installed moving component 9.
The utility model, by Dual-motors Driving, drives leading screw and nut in one group of screw pair simultaneously, makes it to produce relative motion.When needs high-speed motion, nut is contrary with leading screw direction of rotation, is realized the ultrahigh speed motion of moving component by speed discrepancy; When needs low-speed motion, nut is identical with leading screw direction of rotation, is realized the Ultra-Low Speed motion of moving component by speed discrepancy.
The utility model greatly extends the movement velocity scope of nut in sum, can give play to the output in the most stable region of drive motors simultaneously.
The above is exemplarily described the utility model; obvious the utility model specific implementation is not subject to the restrictions described above; no matter be do any change in its shape or structure; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (1)
1. the two drive transmission device of single screw, comprise leading screw (10), nut (13) and drive unit, the two ends of leading screw (10) are respectively arranged with the leading screw tail end bearing block (11) and motor side bearing block (5) that are connected with frame, it is characterized in that described drive unit is made up of the drive unit (2) of leading screw and the drive unit (7) of nut, the drive unit (2) of leading screw is by lead screw transmission servomotor (1), reductor one (3) and shaft coupling (4) composition, leading screw drives servomotor (1) by reductor one (3) and shaft coupling (4) and leading screw (10) connection for transmission, the drive unit (7) of nut is made up of nut actuator servo motor (6) and reductor two (8), nut actuator servo motor (6) is by reductor two (8) and nut (13) connection for transmission, nut (13) outer surface is provided with the bearing holder (housing, cover) (12) that bearing connects, bearing holder (housing, cover) (12) is fixedly installed moving component (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794844.3U CN204295395U (en) | 2014-12-15 | 2014-12-15 | The two drive transmission device of single screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794844.3U CN204295395U (en) | 2014-12-15 | 2014-12-15 | The two drive transmission device of single screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204295395U true CN204295395U (en) | 2015-04-29 |
Family
ID=53100973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420794844.3U Expired - Fee Related CN204295395U (en) | 2014-12-15 | 2014-12-15 | The two drive transmission device of single screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204295395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979296A (en) * | 2017-06-07 | 2017-07-25 | 北京精雕科技集团有限公司 | A kind of transmission device of screw-nut dual drive |
| CN106992628A (en) * | 2017-06-07 | 2017-07-28 | 北京精雕科技集团有限公司 | A kind of screw-nut transmission for directly driving screw |
-
2014
- 2014-12-15 CN CN201420794844.3U patent/CN204295395U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979296A (en) * | 2017-06-07 | 2017-07-25 | 北京精雕科技集团有限公司 | A kind of transmission device of screw-nut dual drive |
| CN106992628A (en) * | 2017-06-07 | 2017-07-28 | 北京精雕科技集团有限公司 | A kind of screw-nut transmission for directly driving screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20161215 |