CN203570959U - Ultra-large lead ball screw pair - Google Patents
Ultra-large lead ball screw pair Download PDFInfo
- Publication number
- CN203570959U CN203570959U CN201320655097.0U CN201320655097U CN203570959U CN 203570959 U CN203570959 U CN 203570959U CN 201320655097 U CN201320655097 U CN 201320655097U CN 203570959 U CN203570959 U CN 203570959U
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- CN
- China
- Prior art keywords
- ball
- nut
- lead
- screw mandrel
- screw pair
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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.)
- Expired - Fee Related
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Abstract
An ultra-large lead ball screw pair is composed of a lead screw, balls, a sleeve, ball holes, a nut and connecting holes. The ultra-large lead ball screw pair is characterized in that the lead screw is arranged in the position of the center axis of the nut, the nut is arranged to be in a cylindrical shape, the ball holes are formed in the cylindrical wall of the nut, the balls are arranged in the ball holes, the connecting holes are formed in one end of the nut, and the sleeve is arranged outside the nut. The ultra-large lead ball screw pair has the advantages of being simple in structure, low in failure rate, high in rigidity and accuracy, large in lead and capable of meeting the requirements for mechanical automation and the high speed.
Description
Technical field
The utility model belongs to mechanical equipment technical field, says more specifically a kind of super large lead ball lead screw pair.
Background technique
Modernization industry forward at a high speed, efficient and unmanned future development, industrial robot, numerically controlled metal forming machine, its feeding actuating speeds such as processing center machine tool and all kinds of Mechatronics Automatics tools improve constantly, at present, ball screw pair is that rotation motion is converted into straight line motion, or straight line motion is converted into the most rational product of rotation motion, the feed speed of ball screw pair is to be determined by its helical pitch, the leading screw of prior art mostly is medium and small lead screw, complex structure, rate of fault is high, rigidity is less, precision is poor, helical pitch is less, the ball screw pair of medium and small helical pitch can not meet the requirement of speed up, affected the development of mechanical automation.
Summary of the invention
In order to address the above problem, it is a kind of simple in structure that the utility model provides, rate of fault is little, rigidity is higher, precision is better, helical pitch is larger, can meet mechanical automation, the super large lead ball lead screw pair that speed up requires, its concrete scheme is: described super large lead ball lead screw pair is by screw mandrel, ball, sleeve, ball hole, nut, attachment hole forms, it is characterized in that, on the central axis position of nut, screw mandrel is set, nut is set to cylindrical shape, on the cylindrical wall of nut, ball hole is set, ball is set in ball hole, the end of nut arranges attachment hole, the outer installment sleeve of nut.
Screw mandrel described in the utility model, is characterized in that the length of screw mandrel arranges 4.0～5.0 meters, and the material of screw mandrel adopts GCr15 Bearing Steel, the surperficial mid frequency induction hardening of screw mandrel, hardness HRC63.
Ball described in the utility model, is characterized in that the material of ball adopts GCr15 Bearing Steel, and ball moves in the spiral rolling track of screw mandrel with nut, and ball can rotate in ball hole separately.
Ball hole described in the utility model, is characterized in that ball hole evenly arranges along the helix direction of screw mandrel, the aperture of ball hole and the equal diameters of ball.
Nut described in the utility model, is characterized in that the material of nut adopts GCr15 Bearing Steel.
The beneficial effects of the utility model are the simple in structure of super large lead ball lead screw pair, and rate of fault is little, and rigidity is larger, and precision is higher, and helical pitch is larger, can meet mechanical automation, speed up requirement.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model; In accompanying drawing 1:
1. screw mandrel, 2. ball, 3. sleeve, 4. ball hole, 5. nut, 6. attachment hole.
Embodiment
1 pair of the utility model describes in further detail by reference to the accompanying drawings, so that the public grasps implementation methods of the present utility model better, the utility model specific embodiment is: described super large lead ball lead screw pair is comprised of screw mandrel 1, ball 2, sleeve 3, ball hole 4, nut 5, attachment hole 6, it is characterized in that, on the central axis position of nut 5, screw mandrel 1 is set, nut 5 is set to cylindrical shape, ball hole 4 is set on the cylindrical wall of nut 5, the interior ball 2 that arranges of ball hole 4, the end of nut 5 arranges attachment hole 6, the outer installment sleeve 3 of nut 5.
The beneficial effects of the utility model are the simple in structure of super large lead ball lead screw pair, and rate of fault is little, and rigidity is larger, and precision is higher, and helical pitch is larger, can meet mechanical automation, speed up requirement.
Claims (5)
1. super large lead ball lead screw pair, by screw mandrel (1), ball (2), sleeve (3), ball hole (4), nut (5), attachment hole (6), formed, it is characterized in that, on the central axis position of nut (5), screw mandrel (1) is set, nut (5) is set to cylindrical shape, ball hole (4) is set on the cylindrical wall of nut (5), ball (2) is set in ball hole (4), and the end of nut (5) arranges attachment hole (6), the outer installment sleeve (3) of nut (5).
2. super large lead ball lead screw pair according to claim 1, is characterized in that the length of screw mandrel (1) arranges 4.0～5.0 meters, and the material of screw mandrel (1) adopts GCr15 Bearing Steel, the surperficial mid frequency induction hardening of screw mandrel (1), hardness HRC63.
3. super large lead ball lead screw pair according to claim 1, the material that it is characterized in that ball (2) adopts GCr15 Bearing Steel, ball (2) moves in the spiral rolling track of screw mandrel (4) with nut (5), and ball (2) can rotate in ball hole (4) separately.
4. super large lead ball lead screw pair according to claim 1, is characterized in that ball hole (4) evenly arranges along the helix direction of screw mandrel (1), the equal diameters of the aperture of ball hole (4) and ball (2).
5. super large lead ball lead screw pair according to claim 1, is characterized in that the material of nut (5) adopts GCr15 Bearing Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655097.0U CN203570959U (en) | 2013-10-23 | 2013-10-23 | Ultra-large lead ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655097.0U CN203570959U (en) | 2013-10-23 | 2013-10-23 | Ultra-large lead ball screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570959U true CN203570959U (en) | 2014-04-30 |
Family
ID=50538691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320655097.0U Expired - Fee Related CN203570959U (en) | 2013-10-23 | 2013-10-23 | Ultra-large lead ball screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570959U (en) |
-
2013
- 2013-10-23 CN CN201320655097.0U patent/CN203570959U/en not_active Expired - Fee Related
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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: 20140430 Termination date: 20171023 |