CN203917948U - With the hydrostatic spindle of speed-changing driving device - Google Patents
With the hydrostatic spindle of speed-changing driving device Download PDFInfo
- Publication number
- CN203917948U CN203917948U CN201420224566.8U CN201420224566U CN203917948U CN 203917948 U CN203917948 U CN 203917948U CN 201420224566 U CN201420224566 U CN 201420224566U CN 203917948 U CN203917948 U CN 203917948U
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- main shaft
- gear
- bearing
- driving gear
- speed
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Abstract
The utility model refers in particular to a kind of hydrostatic spindle with speed-changing driving device, belong to machine tool technology field, comprise main shaft, bearing and driving wheel, on described main shaft, be arranged with driven gear, described main shaft one side is provided with the driving gear being meshed with driven gear, the diameter of described driving gear is less than the diameter of driven gear, described driving gear is arranged in the rotating shaft of described driving wheel, driving wheel rotarily drives driving gear and synchronously rotates, in described rotating shaft, be provided with bearing, described bearing is in order to support described driving gear.By gear drive, when drive shaft High Rotation Speed, increase the moment of torsion of main shaft, improve stock-removing efficiency, be applicable to roughing feed cutting; Space connection and reasonable arrangement, main shaft axial dimension is short, can converted products scope larger; Energy-conservation, use the drive motors of smaller power, still can meet the demand of main shaft; Contour structures is reasonable, is beneficial to cutter and arranges.
Description
Technical field
The utility model belongs to machine tool technology field, refers in particular to a kind of hydrostatic spindle with speed-changing driving device.
Background technology
In field of machining, labour cost, productivity effect and processing cost more and more must be paid attention at present.Double end collet chuck numerically controlled lathe special plane, except overcoming the above problems, also can solve the complete manufacturing procedure not becoming of centre numerically controlled lathe and not reach the precision of part processing.Therefore double end collet chuck numerically controlled lathe special plane application prospect is fine, but the main shaft of production double end collet chuck numerically controlled lathe special plane relies on the two-way main shaft in Taiwan at present, the two-way main shaft in Taiwan only adopts one-way hydraulic, that left and right corner contact bearing supports, interiorly block collet chuck with tapering displacement, in use, there are a lot of disadvantages, the speed of mainshaft is at diameter below 32 millimeters, maximum speed also can only reach 2500 revs/min, diameter is more than 72 millimeters, maximum speed is 1000 revs/min of left and right, oil leakage phenomenon is a lot, main shaft uses drive wheel and cannot be arranged on main shaft middle-end, moment of torsion is little, be not suitable for roughing feed cutting, need heavy-duty motor to drive, can cause in addition sealing poor, adding man-hour, cooling fluid is all penetrated on Timing Belt, Timing Belt is easily damaged, production efficiency is on the low side, cost is higher in addition, maintenance is also inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of space connection and reasonable arrangement, energy-conservation, moment of torsion large and can meet the hydrostatic spindle with speed-changing driving device that roughing feed cuts.
The purpose of this utility model is achieved in that the hydrostatic spindle with speed-changing driving device, comprise main shaft, bearing and driving wheel, wherein, on described main shaft, be arranged with driven gear, described main shaft one side is provided with the driving gear being meshed with driven gear, the diameter of described driving gear is less than the diameter of driven gear, the output torque of main shaft increases, improve workpiece working (machining) efficiency, described driving gear is arranged in the rotating shaft of described driving wheel, driving wheel rotarily drives driving gear and synchronously rotates, in described rotating shaft, be provided with bearing, described bearing is in order to support described driving gear, by gear drive, when drive shaft High Rotation Speed, increase the moment of torsion of main shaft, improve stock-removing efficiency.
According to the hydrostatic spindle with speed-changing driving device of the above, wherein, described bearing is angular contact bearing, lays respectively at the both sides of described driving gear.
According to the hydrostatic spindle with speed-changing driving device of the above, wherein, the ratio of the angular contact bearing number of described driving gear both sides is 2:1, can bear larger radial load, improves gear-driven stability.
According to the hydrostatic spindle with speed-changing driving device of the above, wherein, the number of the angular contact bearing between described driving gear and described driving wheel is less than the number of the angular contact bearing of described driving gear opposite side, driving wheel is in the process of rotation, in rotating shaft from driving wheel the position away from more, the radial pressure of generation is larger, according to the size of radial pressure and distribution position difference, carry out balance radial pressure by different number angular contact bearings, make overall operation steady.
According to the hydrostatic spindle with speed-changing driving device of the above, wherein, in described rotating shaft, be provided with oil sealing, described oil sealing lays respectively at the outside of described bearing, prevents that lubricating oil is penetrated on Timing Belt, and Timing Belt is damaged.
The utility model compared to existing technology outstanding and useful technique effect is: 1, increase moment of torsion, be applicable to roughing feed cutting;
2, space connection and reasonable arrangement, main shaft axial dimension is short, can converted products scope larger;
3, energy-conservation, use the drive motors of smaller power, still can meet the demand of main shaft;
4, contour structures is reasonable, is beneficial to cutter and arranges.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure: 10-main shaft, 11-bearing, 12-driven gear, 13-driving wheel, 14-driving gear, 15-rotating shaft, 16-bearing, 17-oil sealing.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1: with the hydrostatic spindle of speed-changing driving device, comprise main shaft 10, bearing 11 and driving wheel 13, wherein, on described main shaft 10, be arranged with driven gear 12, described driven gear 12 is positioned at the middle part of main shaft 10, save space, can make the axial dimension of main shaft 10 shorten, can converted products scope larger, described main shaft 10 1 sides are provided with the driving gear 14 being meshed with driven gear 12, the diameter of described driving gear 14 is less than the diameter of driven gear 12, the output torque of main shaft 10 increases, improve workpiece working (machining) efficiency, described driving gear 14 is arranged in the rotating shaft 15 of described driving wheel 13, driving wheel 13 rotarily drives driving gear 14 and synchronously rotates, in described rotating shaft 15, be provided with bearing 16, described bearing 16 is angular contact bearing, described angular contact bearing lays respectively at the both sides of described driving gear 14, by gear drive, when drive shaft 10 High Rotation Speed, increase the moment of torsion of main shaft 10, improve stock-removing efficiency.
Further optimize, the ratio of the angular contact bearing number of described driving gear 14 both sides is 2:1, can bear larger radial load, improves gear-driven stability.
Further optimize, the number of the angular contact bearing between described driving gear 14 and described driving wheel 13 is less than the number of the angular contact bearing of described driving gear 14 opposite sides, driving wheel 13 is in the process of rotation, in rotating shaft 15 from driving wheel 13 position away from more, the radial pressure producing is larger, according to the size of radial pressure and distribution position difference, carry out balance radial pressure by different number angular contact bearings, make overall operation steady.
Further optimize, in described rotating shaft 15, be provided with oil sealing 17, described oil sealing 17 lays respectively at the outside of described bearing 16, prevents that lubricating oil is penetrated on Timing Belt, and Timing Belt is damaged.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (5)
1. the hydrostatic spindle with speed-changing driving device, comprise main shaft, bearing and driving wheel, it is characterized in that: on described main shaft, be arranged with driven gear, described main shaft one side is provided with the driving gear being meshed with driven gear, the diameter of described driving gear is less than the diameter of driven gear, described driving gear is arranged in the rotating shaft of described driving wheel, in described rotating shaft, is provided with bearing, and described bearing is in order to support described driving gear.
2. the hydrostatic spindle with speed-changing driving device according to claim 1, is characterized in that: described bearing is angular contact bearing, lays respectively at the both sides of described driving gear.
3. the hydrostatic spindle with speed-changing driving device according to claim 1, is characterized in that: the ratio of the angular contact bearing number of described driving gear both sides is 2:1.
4. according to the hydrostatic spindle with speed-changing driving device described in claim 1-3 any one, it is characterized in that: the number of the angular contact bearing between described driving gear and described driving wheel is less than the number of the angular contact bearing of described driving gear opposite side.
5. the hydrostatic spindle with speed-changing driving device according to claim 1, is characterized in that: in described rotating shaft, be provided with oil sealing, described oil sealing lays respectively at the outside of described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224566.8U CN203917948U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of speed-changing driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224566.8U CN203917948U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of speed-changing driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203917948U true CN203917948U (en) | 2014-11-05 |
Family
ID=51813829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224566.8U Expired - Lifetime CN203917948U (en) | 2014-05-04 | 2014-05-04 | With the hydrostatic spindle of speed-changing driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203917948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735336A (en) * | 2017-03-06 | 2017-05-31 | 常州铸鼎机械有限公司 | Machine tool chief axis module |
-
2014
- 2014-05-04 CN CN201420224566.8U patent/CN203917948U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735336A (en) * | 2017-03-06 | 2017-05-31 | 常州铸鼎机械有限公司 | Machine tool chief axis module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG XINYUE MACHINE TOOLS CO., LTD. Free format text: FORMER NAME: YUHUAN XINYUE MACHINE TOOL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Yuhuan County city street atoll village of Taizhou city in Zhejiang province 317600 Patentee after: ZHEJIANG XINYUE MACHINE TOOL Co.,Ltd. Address before: Yuhuan County city street atoll village of Taizhou city in Zhejiang province 317600 Patentee before: Yuhuan Xinyue Machine Tool Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20231018 Address after: 314000 Room 202, building 1, No. 1186, North Street, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG ZHONGZHI JINGGONG INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 317600 Yucheng Street Atoll Village, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG XINYUE MACHINE TOOL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
|
| CX01 | Expiry of patent term |