CN205260753U - High performance lathe ball bearing unit - Google Patents
High performance lathe ball bearing unit Download PDFInfo
- Publication number
- CN205260753U CN205260753U CN201521096803.8U CN201521096803U CN205260753U CN 205260753 U CN205260753 U CN 205260753U CN 201521096803 U CN201521096803 U CN 201521096803U CN 205260753 U CN205260753 U CN 205260753U
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- CN
- China
- Prior art keywords
- leading screw
- lead screw
- bearing
- supporting seat
- main supporting
- 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 - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a high performance lathe ball bearing unit, including main supporting seat, a pedestal, the lead screw, the bearing shell, both sides base top both ends all correspond fixed mounting has main supporting seat, the terminal surface all is provided with the end cover in the main supporting seat, the lead screw is all installed at main supporting seat and the inside mating holes inslot of end cover through the lead screw bearing, the lead screw both ends all are fixed with lead screw fixation nut, all install a core on the lead screw, the axle core is provided with bearing race with lead screw complex position, the ball has evenly been placed to inside, axle core externally mounted has the axle bush, the outer terminal surface fixed mounting of axle bush has the bearing shell, bearing shell top is provided with the connector. Beneficial effect lies in: adopt precise thread lead screw and coarse -pitch thread lead screw, cooperation connecting block draw -in groove is connected the lathe and is fed equipment, guarantees the variety of work piece machining precision selection, effective machining precision that improves single lathe, including high performance ball bearing moves for the device is whole to operate steadily.
Description
Technical field
The utility model belongs to lathe precision equipment technical field, is specifically related to a kind of high-performance lathe ballscrew shaft bearing unit.
Background technology
Ball screw assembly, is that gyration is converted into rectilinear motion, or rectilinear motion is converted into the desirable product of gyration. Ball screw assembly, is made up of screw rod, nut, reversing device and ball, and the function of ball screw assembly, is to change into rectilinear motion by rotatablely moving, or changes torque axis into axial repetitiousness active force, has high accuracy, invertibity and high efficiency feature concurrently simultaneously. Ball screw assembly, has the features such as high accuracy, invertibity and high efficiency, and this is further extension and the development of trapezoidal screw, and the significance of this development becomes trapezoidal screw sliding action into scroll actions exactly. Owing to having very little frictional resistance, ball-screw bearing is widely used in various industrial equipments and precision instrument. Particularly the application in Digit Control Machine Tool field is extensive especially, but just become particularly important in this its required precision, also have the mechanical property of its support all can be required to strengthen, when machine tool processing workpiece due to the precision difference of its processing request, need to choose producer according to self machine finish scope and process, be the defect that ball-screw bearing unit monotonicity is brought after all.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem kind of an a kind of high-performance lathe ballscrew shaft bearing unit.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of high-performance lathe ballscrew shaft bearing unit, comprise main supporting seat, base, leading screw, bearing case, described in both sides, the equal correspondence in base top two ends is installed with described main supporting seat, described main supporting seat inner face is provided with end cap, described leading screw is all arranged in described main supporting seat and the inner cooperation of described end cap hole slot by leading screw bearing, described leading screw both ends are all fixed with leading screw hold-down nut, described in one side, leading screw outer face is provided with accurate thread, described in opposite side, leading screw outer face is provided with coarse-pitch thread, axle core is all installed on described leading screw, described axle core is provided with raceway with the position that described leading screw coordinates, inside is evenly placed with ball, described axle core outside is provided with bearing shell, described bearing shell outer face is installed with bearing case, described bearing case top is provided with connector, described connector is provided with draw-in groove in top, described bearing case inside offers pump nozzle.
In said structure, described base plays fixed support effect to whole device, described in two ends, leading screw hold-down nut can ensure the stability that leading screw operation is supported, described connector connecting machine tool external equipment, selects applicable leading screw according to workpiece processing request, connects by draw-in groove, described leading screw rotates, coordinate by described ball and raceway, drive described axle core and described bearing case to move, described pump nozzle can ensure leading screw operation lubricating function.
In order further to improve machine tool ball screw bearing unit precision, described axle core is provided with raceway with the position that described leading screw coordinates, and inside is evenly placed with ball, and described axle core outside is provided with bearing shell.
In order further to improve machine tool ball screw bearing unit precision, described bearing shell outer face is installed with bearing case, described bearing case top is provided with connector, and described connector is provided with draw-in groove in top, and described bearing case inside offers pump nozzle.
Beneficial effect is: adopt accurate thread leading screw and coarse-pitch thread leading screw, the piece draw-in groove connecting machine tool feed apparatus that is connected, ensures the diversity that Workpiece Machining Accuracy is selected, and effectively improves the machining accuracy of single lathe, add high-performance ballscrew shaft acknowledgement of consignment row, make device overall operation steady.
Brief description of the drawings
Fig. 1 is the main cutaway view of a kind of high-performance lathe ballscrew shaft bearing unit described in the utility model;
Fig. 2 is the top view of a kind of high-performance lathe ballscrew shaft bearing unit described in the utility model.
1, main supporting seat; 2, end cap; 3, leading screw; 4, bearing case; 5, bearing shell; 6, axle core; 7, leading screw bearing; 8, leading screw hold-down nut; 9, base; 10, ball; 11, raceway; 12, pump nozzle; 13, accurate thread; 14, coarse-pitch thread; 15, draw-in groove; 16, connector.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As Figure 1-Figure 2, a kind of high-performance lathe ballscrew shaft bearing unit, comprise main supporting seat 1, base 9, leading screw 3, bearing case 4, described in both sides, the base 9 equal correspondences in two ends, top are installed with described main supporting seat 1, described main supporting seat 1 inner face is provided with end cap 2, described leading screw 3 is all arranged in described main supporting seat 1 and the inner cooperation hole slot of described end cap 2 by leading screw bearing 7, described leading screw 3 both ends are all fixed with leading screw hold-down nut 8, described in one side, leading screw 3 outer faces are provided with accurate thread 13, described in opposite side, leading screw 3 outer faces are provided with coarse-pitch thread 14, on described leading screw 3, axle core 6 is all installed, described axle core 6 is provided with raceway with the position that described leading screw coordinates, inside is evenly placed with ball, described axle core outside is provided with bearing shell 5, described bearing shell 5 outer faces are installed with bearing case 4, described bearing case 4 tops are provided with connector 16, described connector is provided with draw-in groove 15 in 16 tops, described bearing case 4 inside offer pump nozzle 12.
In said structure, described base 9 plays fixed support effect to whole device, described in two ends, leading screw hold-down nut 8 can ensure the stability that leading screw 3 operations are supported, described connector 16 connecting machine tool external equipment, select applicable leading screw 3 according to workpiece processing request, connect by draw-in groove 15, described leading screw 3 rotates, coordinate by described ball 10 and raceway 11, drive described axle core 6 and described bearing case 4 to move, described pump nozzle 12 can ensure leading screw operation lubricating function.
In order further to improve machine tool ball screw bearing unit precision, described in one side, leading screw 3 outer faces are provided with accurate thread 13, described in opposite side, leading screw 3 outer faces are provided with coarse-pitch thread 14, on described leading screw 3, axle core 6 is all installed, described axle core 6 is provided with raceway with the position that described leading screw coordinates, inside is evenly placed with ball, described axle core outside is provided with bearing shell 5, described bearing shell 5 outer faces are installed with bearing case 4, described bearing case 4 tops are provided with connector 16, described connector is provided with draw-in groove 15 in 16 tops, described bearing case 4 inside offer pump nozzle 12.
More than show and described general principle of the present utility model, principal character and advantage. The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model. The claimed scope of the utility model is defined by appending claims and effect thing thereof.
Claims (4)
1. a high-performance lathe ballscrew shaft bearing unit, it is characterized in that: comprise main supporting seat, base, leading screw, bearing case, the equal correspondence in base top two ends, both sides is installed with main supporting seat, main supporting seat inner face is provided with end cap, leading screw is all arranged in main supporting seat and the inner cooperation of end cap hole slot by leading screw bearing, and leading screw both ends are all fixed with leading screw hold-down nut.
2. a kind of high-performance lathe ballscrew shaft bearing unit according to claim 1, is characterized in that: a lateral filament thick stick outer face is provided with accurate thread, and opposite side leading screw outer face is provided with coarse-pitch thread, and axle core is all installed on leading screw.
3. a kind of high-performance lathe ballscrew shaft bearing unit according to claim 2, is characterized in that: the position that axle core coordinates with leading screw is provided with raceway, and inside is evenly placed with ball, and axle core outside is provided with bearing shell.
4. a kind of high-performance lathe ballscrew shaft bearing unit according to claim 3, it is characterized in that: bearing shell outer face is installed with bearing case, bearing case top is provided with connector, and connector is provided with draw-in groove in top, and bearing case inside offers pump nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096803.8U CN205260753U (en) | 2015-12-24 | 2015-12-24 | High performance lathe ball bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096803.8U CN205260753U (en) | 2015-12-24 | 2015-12-24 | High performance lathe ball bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260753U true CN205260753U (en) | 2016-05-25 |
Family
ID=56002282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521096803.8U Expired - Fee Related CN205260753U (en) | 2015-12-24 | 2015-12-24 | High performance lathe ball bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161199A (en) * | 2021-12-23 | 2022-03-11 | 樟树市易正机械有限公司 | Roller screw pair for gantry numerical control machine tool |
| CN117226572A (en) * | 2023-09-22 | 2023-12-15 | 安徽新诺精工股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball screw |
-
2015
- 2015-12-24 CN CN201521096803.8U patent/CN205260753U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161199A (en) * | 2021-12-23 | 2022-03-11 | 樟树市易正机械有限公司 | Roller screw pair for gantry numerical control machine tool |
| CN117226572A (en) * | 2023-09-22 | 2023-12-15 | 安徽新诺精工股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball screw |
| CN117226572B (en) * | 2023-09-22 | 2024-04-30 | 安徽卓朴智能装备股份有限公司 | Long stroke transmission middle supporting structure of numerically-controlled machine tool ball 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: 20160525 Termination date: 20161224 |