CN218817941U - Integral nut rotation type ball screw - Google Patents
Integral nut rotation type ball screw Download PDFInfo
- Publication number
- CN218817941U CN218817941U CN202223573322.4U CN202223573322U CN218817941U CN 218817941 U CN218817941 U CN 218817941U CN 202223573322 U CN202223573322 U CN 202223573322U CN 218817941 U CN218817941 U CN 218817941U
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- CN
- China
- Prior art keywords
- ball nut
- nut
- flange
- flange ball
- screw
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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.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Transmission Devices (AREA)
Abstract
The utility model relates to an integral type nut rotation type ball screw, including the lead screw, still include: the flange ball nut, belt pulley and bearing shell, flange ball nut sliding connection in on the lead screw, the belt pulley set up in flange ball nut one side, bearing shell cover is located flange ball nut surface, the bearing shell in be provided with the steel ball between the flange ball nut, the bearing shell can flange ball nut surface rotates, the last oil filler point of having seted up of flange ball nut, flange ball nut with be provided with a plurality of balls between the lead screw on the screw thread slot, be provided with the circulator in the flange ball nut, the circulator connect in on the flange ball nut just the circulator with the screw thread slot intercommunication is used for realizing each the ball in the circulation in the ball nut.
Description
Technical Field
The utility model relates to a ball screw technical field specifically is an integral type nut rotation type ball screw.
Background
The transmission principle of the ball screw commonly used at present is as follows: when the nut works, the nut is connected with a part which needs to do linear reciprocating motion, and the lead screw rotates to drive the nut to do linear reciprocating motion, so that the part is driven to do linear reciprocating motion. Spiral grooves are formed on the screw, the nut and an end cover (a ball circulation device), the grooves are combined to form a ball circulation channel, and balls roll in the channel in a circulating mode. The problems with this movement pattern are:
1. the ball screw can only carry out a single linear reciprocating motion mode under the drive of the motor, and cannot realize complex and variable motion under the condition of meeting the requirement of simplifying the structure.
2. The length of the small-diameter screw rod (less than phi 20) exceeds 1500mm, and due to the insufficient dead weight of the screw rod, the run-out amplitude of the ball screw rod in the reciprocating motion process is large under the acceleration condition, so that the running precision of the screw rod cannot be ensured.
3. Under the condition of ensuring the precision, the running speed of the screw rod needs to be increased, and under the condition, the precision of the screw rod can be ensured only by increasing the equipment budget.
4. The oiling is inconvenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integral type nut rotation type ball screw to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integral type nut rotation type ball screw, includes the lead screw, still includes: the flange ball nut, belt pulley and bearing shell, flange ball nut sliding connection in on the lead screw, the belt pulley set up in flange ball nut one side, bearing shell cover is located flange ball nut surface, the bearing shell in be provided with the steel ball between the flange ball nut, the bearing shell can flange ball nut surface rotates, the last oil filler point of having seted up of flange ball nut, flange ball nut with be provided with a plurality of balls between the lead screw on the screw thread slot, be provided with the circulator in the flange ball nut, the circulator connect in on the flange ball nut just the circulator with the screw thread slot intercommunication is used for realizing each the ball in the circulation in the ball nut.
As an optional embodiment of the present invention, optionally, the pulley may be located at the top or bottom of the flange ball nut.
As an optional embodiment of the present invention, optionally, the flange ball nut both ends with be provided with the dust ring between the lead screw respectively.
As an optional embodiment of the present invention, optionally, an adjustment sheet is disposed on the flange ball nut under the bearing housing.
As an optional embodiment of the present invention, optionally, the flange ball nut and the angle between the balls is 45 degrees.
As an optional embodiment of the present invention, optionally, the bearing housing and the flange ball nut are provided with a sealing ring therebetween.
As an optional embodiment of the present invention, optionally, the bearing housing and the flange ball nut are integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an angle between flange ball nut and the ball is 45 degrees, adopts the design of bearing DB type (back to back formula combination), because the wide span between the effective center of pearl ditch makes this kind of design specially adapted bear the moment load. The utility model can realize two driving modes, fix the screw rod, drive the flange ball nut to rotate by the motor through the belt, the flange ball nut can reciprocate on the screw rod, the screw rod is not fixed by fixing the flange ball nut and the motor, the screw rod can reciprocate under the driving of the flange ball nut; can meet the requirements of different situations. The ball is ground with high precision, so that the ball in the flange ball nut can smoothly walk along the tangential direction, and the noise and the friction force caused by retardation can be reduced. The flange ball nut and the bearing outer sleeve are integrally formed, the flange ball nut is small in size and large in assembly space, and only the screw and the bearing outer sleeve need to be locked on the supporting seat during assembly, so that the flange ball nut is very simple and convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. a screw rod; 2. a pulley; 3. a seal ring; 4. an adjustment sheet; 5. steel balls; 6. a dust ring; 7. a flange ball nut; 8. a bearing housing; 9. an oil filler hole; 10. and a ball.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 and 2, an integrated nut rotary ball screw includes a screw 1, and further includes: the novel screw rod comprises a flange ball nut 7, a belt pulley 2 and a bearing shell 8, wherein the flange ball nut 7 is connected to the screw rod 1 in a sliding mode, the belt pulley 2 is arranged on one side of the flange ball nut 7, the bearing shell 8 is sleeved on the surface of the flange ball nut 7, steel balls 5 are arranged between the flange ball nut 7 and the bearing shell 8, the bearing shell 8 can rotate on the surface of the flange ball nut 7, an oil filling hole 9 is formed in the flange ball nut 7, a plurality of balls 10 are arranged between the flange ball nut 7 and the screw rod 1 on a thread groove, a circulator is arranged in the flange ball nut 7 and connected to the flange ball nut 7 and communicated with the thread groove to achieve circulation of the balls in the ball nut.
As shown in fig. 1, the belt pulley 2 is fixed on the flange ball nut 7, the motor can drive the belt pulley 2 to rotate, so as to drive the flange ball nut 7 to rotate, the bearing housing 8 is installed on the outer surface of the flange ball nut 7, a plurality of steel balls 5 are installed between the bearing housing 8 and the flange ball nut 7, and when the flange ball nut 7 rotates, the bearing housing 8 cannot rotate along with the flange ball nut 7; when the screw rod 1 is fixed and the flange ball nut 7 is not fixed, the flange ball nut 7 is driven to rotate by a motor, and the flange ball nut 7 can move back and forth on the screw rod 1; when the screw rod 1 is not fixed and the flange ball nut 7 is fixed, the motor is used for driving the flange ball nut 7 to rotate, and the screw rod can move back and forth on the flange ball nut 7. The flange ball nut 7 is provided with the oil filling hole 9, and lubricating oil can enter the surface of the ball 10 through the oil filling hole 9; when the support seat is used, the support seat is fixed on the bearing shell 8, the flange ball nut 7 is driven by the motor to rotate, the flange ball nut 7 moves left and right under the drive of the motor, and the support seat fixed on the bearing shell 8 also moves left and right synchronously. As shown in fig. 2, the utility model discloses equally be fit for with flange ball nut 7 is reverse to be installed, is convenient for realize various operational environment.
As an optional embodiment of the present invention, optionally, the belt pulley 2 may be disposed on the top or bottom of the flange ball nut 7.
As shown in fig. 1 and 2, when the pulley 2 is fixed on the top of the flange ball nut 7, the flange ball nut 7 is installed in a forward direction, and when the pulley 2 is fixed on the bottom of the flange ball nut 7, the flange ball nut 7 is installed in a reverse direction.
As an optional embodiment of the present invention, optionally, the two ends of the flange ball nut 7 and the screw rod 1 are provided with the dust ring 6 therebetween respectively.
As shown in fig. 1, the dust ring 6 can keep the grease or lubricant on the ball 10 from leaking, and plays a sealing role, also called as a dust catcher.
As an optional embodiment of the present invention, optionally, an adjustment sheet 4 is disposed on the flange ball nut 7 directly below the bearing housing 8.
As shown in fig. 1, the steel balls 5 are arranged in two longitudinal rows on the flange ball nut 7, a complete bearing is formed among the steel balls 5, the flange ball nut 7 and the bearing housing 8, and the adjustment sheet 4 is arranged between the two longitudinal rows of the steel balls 5 and used for preventing the steel balls 5 from derailing when the steel balls 5 are used.
As an optional embodiment of the present invention, optionally, an angle between the flange ball nut 7 and the ball 10 is 45 degrees.
As shown in fig. 1, the angle between the flanged ball nut 7 and the ball 10 is 45 degrees, and a bearing DB type (back-to-back combination) design is used, which is particularly suitable for bearing moment loads due to the wide span between the effective centers of the ball grooves.
As an optional embodiment of the present invention, optionally, the bearing housing 8 and the flange ball nut 7 are provided with a sealing ring 3 therebetween.
As shown in fig. 1, the seal ring 3 is made of oil-resistant rubber or nylon, and the inner hole of the seal ring is made into a shape matched with the threaded roller path, so that the dustproof effect is better.
As an optional embodiment of the present invention, optionally, the bearing housing 8 and the flange ball nut 7 are integrally formed.
As shown in fig. 1, the flange ball nut 7 has a small volume and a large assembly space, and the assembly is very simple by only locking the screw and the bearing housing on the support base. Bearing housing 8 with flange ball nut 7 integrated into one piece can guarantee that the operation is more stable between the two, and life is longer.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an integral type nut rotation type ball screw, includes lead screw (1), its characterized in that still includes: the novel screw rod comprises a flange ball nut (7), a belt pulley (2) and a bearing shell (8), wherein the flange ball nut (7) is connected to the screw rod (1) in a sliding mode, the belt pulley (2) is arranged on one side of the flange ball nut (7), the bearing shell (8) is sleeved on the surface of the flange ball nut (7), steel balls (5) are arranged between the flange ball nuts (7) through the bearing shell (8), the bearing shell (8) can rotate on the surface of the flange ball nut (7), an oil filling hole (9) is formed in the flange ball nut (7), a plurality of balls (10) are arranged between the flange ball nut (7) and the screw rod (1) on a thread groove, a circulator is arranged in the flange ball nut (7), the circulator is connected to the flange ball nut (7) and is communicated with the thread groove, and is used for achieving circulation of the balls in the ball nut.
2. An integrated nut-rotating ball screw according to claim 1, characterized in that said pulley (2) can be placed on the top or bottom of said flanged ball nut (7).
3. An integral nut-rotating ball screw according to claim 1, characterized in that a dust ring (6) is respectively provided between both ends of said flange ball nut (7) and said screw (1).
4. A one-piece nut-rotating ball screw according to claim 3, characterized in that a trim tab (4) is provided on said flange ball nut (7) directly below said bearing housing (8).
5. An integral nut-rotating ball screw according to claim 4, characterized in that the angle between said flange ball nut (7) and said ball (10) is 45 degrees.
6. An integrated nut-rotating ball screw according to claim 5, characterized in that a sealing ring (3) is provided between said bearing housing (8) and said flange ball nut (7).
7. An integrated nut-rotating ball screw according to claim 6, characterized in that said bearing housing (8) is formed integrally with said flange ball nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223573322.4U CN218817941U (en) | 2022-12-30 | 2022-12-30 | Integral nut rotation type ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223573322.4U CN218817941U (en) | 2022-12-30 | 2022-12-30 | Integral nut rotation type ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817941U true CN218817941U (en) | 2023-04-07 |
Family
ID=87251110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223573322.4U Active CN218817941U (en) | 2022-12-30 | 2022-12-30 | Integral nut rotation type ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817941U (en) |
-
2022
- 2022-12-30 CN CN202223573322.4U patent/CN218817941U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: Block C, Building 2, No. 188 Gangde Road, Xiaokunshan Town, Songjiang District, Shanghai, 201600 Patentee after: SHANGHAI DIZI PRECISION MACHINERY CO.,LTD. Address before: Room 115, Zone A, Building 1, No. 29, Lane 755, Tahui Road, Shihudang Town, Songjiang District, Shanghai, 2016 Patentee before: SHANGHAI BANSHUN DYNAMO-ELECTRIC TECHNOLOGY Co.,Ltd. |