CN204075245U - A kind of biserial mainshaft mechanism - Google Patents
A kind of biserial mainshaft mechanism Download PDFInfo
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- CN204075245U CN204075245U CN201420488043.4U CN201420488043U CN204075245U CN 204075245 U CN204075245 U CN 204075245U CN 201420488043 U CN201420488043 U CN 201420488043U CN 204075245 U CN204075245 U CN 204075245U
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- cylindrical roller
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Abstract
The utility model relates to a kind of biserial mainshaft mechanism, comprises main spindle box, drive end bearing bracket, main shaft, rear end cap, Biserial cylindrical roller bearing I, spacer I, bidirectional angular contact thrust ball bearing, spacer II, spacer III and Biserial cylindrical roller bearing II; Described drive end bearing bracket and rear end cap are installed on the front-end and back-end of main spindle box respectively; Described main shaft is separately installed with locking nut I, locking nut II; Described locking nut I, spacer II, bidirectional angular contact thrust ball bearing, spacer I, Biserial cylindrical roller bearing I abut successively, and bidirectional angular contact thrust ball bearing, Biserial cylindrical roller bearing I are bearing in main spindle box front end; Described locking nut II, spacer III, Biserial cylindrical roller bearing II abut successively, and Biserial cylindrical roller bearing II is bearing in main spindle box rear end.The utility model has compact conformation, and precision is high, has enough radial loads, and the plurality of advantages such as good rigidly, meanwhile, simply, cost is lower for its processing and assembling.
Description
Technical field
The utility model relates to a kind of composition mechanism of automation hydraulic lathe, is specifically related to a kind of biserial mainshaft mechanism, belongs to automatic liquid and to delay unloading bed technique field.
Background technology
At present, main axle structure is varied, and the end-play of main shaft bearing can not adjust, and main shaft precision is poor and rigidity not enough, is not suitable for the lathe higher to main shaft required precision.In hydraulic machine field, require to select suitable main axle structure for difference very important.
Therefore, for solving the problems of the technologies described above, the necessary biserial mainshaft mechanism providing a kind of advanced person, to overcome described defect of the prior art.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is a kind of compact conformation, and precision is high, has enough radial loads, and the biserial mainshaft mechanism of good rigidly.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of biserial mainshaft mechanism, and it comprises main spindle box, drive end bearing bracket, main shaft, rear end cap and is set in Biserial cylindrical roller bearing I, spacer I, bidirectional angular contact thrust ball bearing, spacer II, spacer III and the Biserial cylindrical roller bearing II on main shaft; Wherein, described drive end bearing bracket and rear end cap are installed on the front-end and back-end of main spindle box respectively; Described main shaft is separately installed with locking nut I, locking nut II, and this locking nut I, locking nut II are contained in main spindle box; Described locking nut I, spacer II, bidirectional angular contact thrust ball bearing, spacer I, Biserial cylindrical roller bearing I abut successively, and bidirectional angular contact thrust ball bearing, Biserial cylindrical roller bearing I are bearing in the front end of main spindle box; Described locking nut II, spacer III, Biserial cylindrical roller bearing II abut successively, and Biserial cylindrical roller bearing II is bearing in the rear end of main spindle box.
Biserial mainshaft mechanism of the present utility model is set to further: between described drive end bearing bracket and Biserial cylindrical roller bearing I, be provided with a labyrinth spacer.
Biserial mainshaft mechanism of the present utility model is set to further: on described main shaft, be provided with the large belt wheel of a main shaft, is connected between the large belt wheel of this main shaft and main shaft by a flat key; Spacer IV is provided with between the large belt wheel of this main shaft and Biserial cylindrical roller bearing II; Opposite side abutting in the large belt wheel of this axle has a locking nut III.
Biserial mainshaft mechanism of the present utility model also can be set to: be provided with a case lid in the top of described main spindle box.
Compared with prior art, the utility model has following beneficial effect: biserial mainshaft mechanism of the present utility model has compact conformation, and precision is high, has enough radial loads, and the plurality of advantages such as good rigidly, meanwhile, simply, cost is lower for its processing and assembling.
Accompanying drawing explanation
Fig. 1 is the sectional view of biserial mainshaft mechanism of the present utility model.
Fig. 2 is the sectional view not installing main spindle box in Fig. 1.
Detailed description of the invention
Refer to shown in Figure of description 1 and accompanying drawing 2, the utility model is a kind of biserial mainshaft mechanism, and it is by main spindle box 1, drive end bearing bracket 4, main shaft 3, rear end cap 15 and be set in several parts such as Biserial cylindrical roller bearing I6, spacer I7, bidirectional angular contact thrust ball bearing 8, spacer II9, spacer III12 and Biserial cylindrical roller bearing II13 on main shaft 3 and be assembled.
Wherein, described drive end bearing bracket 4 and rear end cap 15 are installed on the front-end and back-end of main spindle box 1 respectively.In the top of described main spindle box 1, a case lid 2 is installed, is convenient to safeguard main spindle box 1.
Described main shaft 3 is separately installed with locking nut I10, locking nut II11, and this locking nut I10, locking nut II11 are contained in main spindle box 1.
Described locking nut I10, spacer II9, bidirectional angular contact thrust ball bearing 8, spacer I7, Biserial cylindrical roller bearing I6 abut successively, and bidirectional angular contact thrust ball bearing 8, Biserial cylindrical roller bearing I6 are bearing in the front end of main spindle box 1.
Described locking nut II11, spacer III12, Biserial cylindrical roller bearing II13 abut successively, and Biserial cylindrical roller bearing II13 is bearing in the rear end of main spindle box 1.
Further, between described drive end bearing bracket 4 and Biserial cylindrical roller bearing I, be provided with a labyrinth spacer 5, thus increase the sealing of this mainshaft mechanism.
The large belt wheel 16 of one main shaft is installed on described main shaft 3, is connected by a flat key 17 between the large belt wheel 16 of this main shaft and main shaft 3.Spacer IV14 is provided with between the large belt wheel 16 of this main shaft and Biserial cylindrical roller bearing II13; Opposite side abutting in the large belt wheel 16 of this axle has a locking nut III18.
The fore bearing of biserial mainshaft mechanism of the present utility model adopts Biserial cylindrical roller bearing I6 and double-row angular contact ball bearing 8 to combine, and mainshaft rear bearing adopts Biserial cylindrical roller bearing II13.This main shaft uses Biserial cylindrical roller bearing I6 and double-row angular contact ball bearing 8 to bear radial cutting force, uses double-row angular contact ball bearing 8 to bear axial cutting force and part radial cutting force.
Above detailed description of the invention is only the preferred embodiment of this creation, and not in order to limit this creation, any amendment made within all spirit in this creation and principle, equivalent replacement, improvement etc., within the protection domain that all should be included in this creation.
Claims (4)
1. a biserial mainshaft mechanism, is characterized in that: comprise main spindle box, drive end bearing bracket, main shaft, rear end cap and be set in Biserial cylindrical roller bearing I, spacer I, bidirectional angular contact thrust ball bearing, spacer II, spacer III and the Biserial cylindrical roller bearing II on main shaft; Wherein, described drive end bearing bracket and rear end cap are installed on the front-end and back-end of main spindle box respectively; Described main shaft is separately installed with locking nut I, locking nut II, and this locking nut I, locking nut II are contained in main spindle box; Described locking nut I, spacer II, bidirectional angular contact thrust ball bearing, spacer I, Biserial cylindrical roller bearing I abut successively, and bidirectional angular contact thrust ball bearing, Biserial cylindrical roller bearing I are bearing in the front end of main spindle box; Described locking nut II, spacer III, Biserial cylindrical roller bearing II abut successively, and Biserial cylindrical roller bearing II is bearing in the rear end of main spindle box.
2. biserial mainshaft mechanism as claimed in claim 1, is characterized in that: between described drive end bearing bracket and Biserial cylindrical roller bearing I, be provided with a labyrinth spacer.
3. biserial mainshaft mechanism as claimed in claim 1, is characterized in that: on described main shaft, be provided with the large belt wheel of a main shaft, is connected between the large belt wheel of this main shaft and main shaft by a flat key; Spacer IV is provided with between the large belt wheel of this main shaft and Biserial cylindrical roller bearing II; Opposite side abutting in the large belt wheel of this axle has a locking nut III.
4. biserial mainshaft mechanism as claimed in claim 1, is characterized in that: be provided with a case lid in the top of described main spindle box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488043.4U CN204075245U (en) | 2014-08-28 | 2014-08-28 | A kind of biserial mainshaft mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488043.4U CN204075245U (en) | 2014-08-28 | 2014-08-28 | A kind of biserial mainshaft mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075245U true CN204075245U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420488043.4U Active CN204075245U (en) | 2014-08-28 | 2014-08-28 | A kind of biserial mainshaft mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN204075245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571075A (en) * | 2017-10-18 | 2018-01-12 | 中捷机床有限公司 | The high-speed main spindle and assembly method of a kind of CNC horizontal milling ＆ boring machine |
-
2014
- 2014-08-28 CN CN201420488043.4U patent/CN204075245U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571075A (en) * | 2017-10-18 | 2018-01-12 | 中捷机床有限公司 | The high-speed main spindle and assembly method of a kind of CNC horizontal milling ＆ boring machine |
| CN107571075B (en) * | 2017-10-18 | 2023-09-08 | 通用技术集团沈阳机床有限责任公司 | High-speed spindle of numerical control horizontal milling and boring machine and assembly method |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20160427 Address after: The new road 312580 Zhejiang persimmon city of Shaoxing province Xinchang Xinchang County Industrial Park No. 29 Patentee after: ZHEJIANG TUOMAN ZHIZAO TECHNOLOGY CO., LTD. Address before: 312500, No. 29, persimmon Road, Xinchang Industrial Park, Xinchang County, Zhejiang, Shaoxing Patentee before: Zhejiang Toman Precision Machinery Co., Ltd. |
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| CP03 | Change of name, title or address |
Address after: 312500 Building 2, No. 29, Xinshi Road, Xinchang Industrial Park, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang tuoman Digital Technology Co.,Ltd. Address before: 312580 No. 29 Xinshi Road, Xinchang Industrial Park, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG TUOMAN ZHIZAO TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |