CN202715834U - Transmission shaft for lathes - Google Patents
Transmission shaft for lathes Download PDFInfo
- Publication number
- CN202715834U CN202715834U CN 201220385074 CN201220385074U CN202715834U CN 202715834 U CN202715834 U CN 202715834U CN 201220385074 CN201220385074 CN 201220385074 CN 201220385074 U CN201220385074 U CN 201220385074U CN 202715834 U CN202715834 U CN 202715834U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- shaft
- lathes
- power transmission
- section
- 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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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a transmission shaft for lathes. The transmission shaft comprises a main shaft body and a shaft sleeve used for abutting against a bearing. The main shaft body comprises a driving section used for installation of the bearing and a transmission section connected with a lathe movement mechanism. Outer threads are arranged on one end of the driving section connected with the transmission section, and the shaft sleeve is provided with inner threads matched with the outer threads. According to the transmission shaft for the lathes, the weight of the transmission shaft is reduced, rotational inertia is reduced, and the transmission shaft is suitable for the lathes rotating at a high speed.
Description
Technical field
The utility model relates to a kind of lathe, is specifically related to the power transmission shaft that a kind of lathe is used.
Background technology
The power transmission shaft that existing lathe is used comprises for bearings mounted driving shaft and transmitter shaft, this bearing is on the step surface between transmitter shaft and the driving shaft, when the power transmission shaft of this structure is used on the lathe that runs up, the quality of power transmission shaft is bigger than normal, rotary inertia is large, thereby should not change its translation state, namely in speed-change process, should not change speed.
The utility model content
The technical problem that (one) will solve
The technical problems to be solved in the utility model provides a kind of making and reduces its quality, the power transmission shaft that the lathe of minimizing rotary inertia is used.
(2) technical scheme
For solving the problems of the technologies described above, the power transmission shaft that the utility model provides a kind of lathe to use, it comprises main shaft and is used for axle sleeve against bearing, main shaft comprises for bearings mounted driving section and the transmission section that is connected with machine tool motion mechanism, drive the continuous end of Duan Shangyu transmission section and be provided with external screw thread, be provided with the internal thread that matches with external screw thread on the axle sleeve.
Wherein, be symmetrical arranged the plane that is useful on the spanner clamping on the outer surface of this axle sleeve.
(3) beneficial effect
Compared with prior art, the utility model has reduced the quality of itself, has reduced rotary inertia, is applicable on some lathes that run up.
Description of drawings
Fig. 1 is the structural representation of the power transmission shaft used of the utility model lathe.
Fig. 2 is the horizontal section schematic diagram of the power transmission shaft used of the utility model lathe.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but can not be used for limiting scope of the present utility model.
As shown in Figure 1, the power transmission shaft that this lathe is used comprises main shaft 1 and is used for axle sleeve 2 against bearing, main shaft 1 comprises for bearings mounted driving section 11 and the transmission section 12 that is connected with machine tool motion mechanism, drive an end that links to each other with transmission section 12 on the section 11 and be provided with external screw thread 111, be provided with the internal thread 21 that matches with external screw thread 111 on the axle sleeve 2.
Be provided with the stepped hole 22 that matches with transmission section 12 on the axle sleeve 2, the interior step surface 23 of axle sleeve 2 is resisted against on the outer step surface 13 of main shaft 1.
Be symmetrical arranged the plane 24 that is useful on the spanner clamping on the outer surface of axle sleeve 2.
The utility model has reduced the quality of itself, has reduced rotary inertia, is applicable on some lathes that run up.
It below only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. power transmission shaft that lathe is used, it is characterized in that: this power transmission shaft comprises main shaft (1) and is used for axle sleeve (2) against bearing, described main shaft (1) comprises be used to the driving section (11) that described bearing is installed and the transmission section (12) that is connected with machine tool motion mechanism, the described upper end that links to each other with described transmission section (12) of section (11) that drives is provided with external screw thread (111), is provided with the internal thread (21) that matches with described external screw thread (111) on the described axle sleeve (2).
2. the power transmission shaft used of lathe according to claim 1 is characterized in that: be symmetrical arranged the plane (24) that is useful on the spanner clamping on the outer surface of described axle sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385074 CN202715834U (en) | 2012-08-03 | 2012-08-03 | Transmission shaft for lathes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385074 CN202715834U (en) | 2012-08-03 | 2012-08-03 | Transmission shaft for lathes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715834U true CN202715834U (en) | 2013-02-06 |
Family
ID=47617672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220385074 Expired - Fee Related CN202715834U (en) | 2012-08-03 | 2012-08-03 | Transmission shaft for lathes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202715834U (en) |
-
2012
- 2012-08-03 CN CN 201220385074 patent/CN202715834U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20130803 |