CN2635278Y - Eliminating device of lead screw nut driving direction change error - Google Patents
Eliminating device of lead screw nut driving direction change error Download PDFInfo
- Publication number
- CN2635278Y CN2635278Y CN 03271864 CN03271864U CN2635278Y CN 2635278 Y CN2635278 Y CN 2635278Y CN 03271864 CN03271864 CN 03271864 CN 03271864 U CN03271864 U CN 03271864U CN 2635278 Y CN2635278 Y CN 2635278Y
- Authority
- CN
- China
- Prior art keywords
- nut
- screw mandrel
- auxiliary
- screw rod
- fixed mount
- 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.)
- Expired - Lifetime
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- Transmission Devices (AREA)
Abstract
The utility model relates to a driving and changeover error remover of screw rod and nut, comprising a nut, a screw rod, a screw rod holder and a base, wherein a group of auxiliary screw rods and auxiliary nuts is provided on the base, and is driven synchronously by gears engaged with each other, a fixed mount is connected to the nut, and a pair of magnets or springs are provided at the end of the fixed mount. When the utility model turns the screw rod forwardly or backwardly with a magnetic force or elastic force, the changeover error of the screw rod and the nut is eliminated, providing a rational structure and ease of production.
Description
One, technical field
The utility model belongs to the machining class, specifically is a kind of cancellation element of feed screw nut's transmission reversing error.
Two, background technology
In machining is made; regular meeting uses the transmission of screw mandrel and nut owing to unavoidably have the gap between screw mandrel and the nut, when the screw mandrel Rotation With Changing to the time; also commutate thereupon and cause that driving error, this error directly influence the serviceability of complete machine and the precision of converted products in the gap.
Three, technology contents
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of employing magnetic force rational in infrastructure, easy to use or spring to adjust the cancellation element of feed screw nut's transmission reversing error in screw mandrel and nut gap.
The technical solution of the utility model is as follows:
The utility model packing nut, screw mandrel, screw rodb base, pedestal, it is characterized in that, the one auxiliary screw mandrel parallel with screw mandrel is set on pedestal, correspondence position has an auxiliary nut, with the same end of auxiliary screw mandrel the gear that is meshed is arranged at screw mandrel, nut and auxiliary nut are being connected the fixed mount of carry magnet respectively.
Screw mandrel of the present utility model turns round under external force and drives nut and move, simultaneously by the auxiliary screw mandrel of the gear driven that is meshed, auxiliary nut moves, both moving directions are identical with distance, distance remains unchanged between the feasible fixed mount that is contained on the nut, because the suction (or repulsion) between magnet remains unchanged, make nut and screw mandrel again, gap between auxiliary nut and auxiliary screw mandrel remains unchanged, when the screw mandrel rotating, gap when screw mandrel and nut commutation is constant, thereby eliminated the driving error that the commutation of screw mandrel and nut produces, the utility model adopts magnetic force to eliminate screw mandrel and nut reversing error, and the structure combination is made simple.
Four, drawing explanation
Accompanying drawing is the utility model example structure schematic diagram.
Five, the specific embodiment
Embodiment as shown in the figure, a kind of cancellation element of feed screw nut's transmission reversing error, comprise nut (2), screw mandrel (5), screw rodb base (3), pedestal (8), it is characterized in that: an auxiliary screw mandrel (7) parallel with screw mandrel (5) is set on pedestal (8), correspondence position has an auxiliary nut (9), with the same end of auxiliary screw mandrel (7) gear (4) (6) that is meshed is arranged at screw mandrel (5), nut (2) is connected with fixed mount (1) (10) respectively with auxiliary nut (9), and the other end of fixed mount (1) (10) is connecting corresponding mutually magnet (11) (12) respectively.
The utility model also can connect same spring at the other end of two fixed mounts (1) (10), eliminates feed screw nut's driving error that commutates with elastic force.
Claims (2)
1, a kind of cancellation element of feed screw nut's transmission reversing error, comprise nut (2), screw mandrel (5), screw rodb base (3), pedestal (8), it is characterized in that: an auxiliary screw mandrel (7) parallel with screw mandrel (5) is set on the pedestal (8), correspondence position has an auxiliary nut (9), with the same end of auxiliary screw mandrel (7) gear (4) (6) that is meshed is arranged at screw mandrel (5), nut (2) is connected with fixed mount (1) (10) respectively with auxiliary nut (9), and the other end of fixed mount (1) (10) is connecting corresponding mutually magnet (11) (12) respectively.
2, according to the cancellation element of the described feed screw nut's transmission of claim 1 reversing error, it is characterized in that: the other end of fixed mount (1) (10) is connecting same spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03271864 CN2635278Y (en) | 2003-07-01 | 2003-07-01 | Eliminating device of lead screw nut driving direction change error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03271864 CN2635278Y (en) | 2003-07-01 | 2003-07-01 | Eliminating device of lead screw nut driving direction change error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2635278Y true CN2635278Y (en) | 2004-08-25 |
Family
ID=34300888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03271864 Expired - Lifetime CN2635278Y (en) | 2003-07-01 | 2003-07-01 | Eliminating device of lead screw nut driving direction change error |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2635278Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698284B (en) * | 2009-10-27 | 2013-06-12 | 李慎旺 | Device for automatically eliminating clearances of screw drive pair |
| CN104057346A (en) * | 2014-06-26 | 2014-09-24 | 沈阳化工大学 | Bevel gear gap elimination device |
| CN104070401A (en) * | 2014-06-24 | 2014-10-01 | 沈阳化工大学 | Bevel gear transmission gap eliminating device |
| CN105345574A (en) * | 2015-11-27 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Wedge type mechanism for automatically compensating and eliminating thread clearance |
-
2003
- 2003-07-01 CN CN 03271864 patent/CN2635278Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698284B (en) * | 2009-10-27 | 2013-06-12 | 李慎旺 | Device for automatically eliminating clearances of screw drive pair |
| CN104070401A (en) * | 2014-06-24 | 2014-10-01 | 沈阳化工大学 | Bevel gear transmission gap eliminating device |
| CN104057346A (en) * | 2014-06-26 | 2014-09-24 | 沈阳化工大学 | Bevel gear gap elimination device |
| CN105345574A (en) * | 2015-11-27 | 2016-02-24 | 沈阳飞机工业（集团）有限公司 | Wedge type mechanism for automatically compensating and eliminating thread clearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130701 Granted publication date: 20040825 |