CN204647214U - A kind of lathe shift combination gear coupling device - Google Patents
A kind of lathe shift combination gear coupling device Download PDFInfo
- Publication number
- CN204647214U CN204647214U CN201520208424.7U CN201520208424U CN204647214U CN 204647214 U CN204647214 U CN 204647214U CN 201520208424 U CN201520208424 U CN 201520208424U CN 204647214 U CN204647214 U CN 204647214U
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- China
- Prior art keywords
- master gear
- gear
- coupling device
- utility
- projection
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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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Abstract
The utility model relates to a kind of lathe shift combination gear coupling device, comprise master gear and pinion, master gear shoulder is provided with on the left of master gear, master gear shoulder forms annular groove with master gear, and master gear shoulder has two rectangle grooves, and pinion arranged outside has projection, projection is arranged in annular groove, the utility model is simple to operation, and cost is low, and changes conveniently.
Description
Technical field
The utility model relates to machine tool gear mechanism field, particularly relates to a kind of lathe shift combination gear coupling device.
Background technique
At present in machine tool gear mechanism, realize main shaft by duplicate gear and export different rotating speeds, duplicate gear is exactly that two gears process on an integral workblank, this duplicate gear is otherwise known as shifting slide gear in the transmission, there is shifting slide gear just can have various rotating speed, for ensureing the geometrical shape reaching duplicate gear, dimensional accuracy, positional accuracy and every technical requirements, duplicate gear will enter the processing technology of multiple tracks complexity, add cost and difficulty of processing, when after one of them gear failure of duplicate gear, whole duplicate gear will be replaced, add user cost.
Model utility content
The purpose of this utility model is to provide a kind of lathe shift combination gear coupling device, solves prior art middle gear and changes loaded down with trivial details, the technical problem that processing cost is high;
The technological scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of lathe shift combination gear coupling device, comprise master gear and pinion, master gear shoulder is provided with on the left of described master gear, described master gear shoulder forms annular groove with master gear, and master gear shoulder has two rectangle grooves, described pinion arranged outside has projection, and described projection is arranged in annular groove;
On the basis of technique scheme, the utility model can also do following improvement:
Further, described projection is L-type projection, adopts the beneficial effect of this step to be convenient to pinion be fixed on master gear;
Further, the size of described projection is less than the size of rectangle groove, adopts the beneficial effect of this step to be convenient to pinion install;
In use, inserted by the L-type projection of pinion in the rectangle groove of master gear, L-type projection rotates 60 ° or 120 ° along annular groove to the utility model, so just can be fixed on master gear by pinion, can realize various rotating speed;
The beneficial effects of the utility model are:
1. the utility model eliminates the difficulty of processing of shifting slide gear complexity, improves the work efficiency of built-up gear;
2. the utility model ensure that accuracy, the stationarity of transmitting motion, the uniformity of load diatibution;
3. detachable built-up gear of the present utility model, is convenient to maintenance, reduces maintenance expenses simultaneously, saved the user cost of gear;
4. the utility model can ensure the synchronously slippage on splined shaft of master gear and pinion, ensure that the accuracy of gearshift.
Accompanying drawing explanation
Fig. 1 is the plan view of a kind of lathe shift combination gear coupling device described in the utility model specific embodiment;
In accompanying drawing, the list of parts representated by each label is as follows:
1, master gear, 2, pinion, 3, master gear shoulder, 4, annular groove, 5, rectangle groove, 6, projection.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of lathe shift combination gear coupling device, comprise master gear 1 and pinion 2, master gear shoulder 3 is provided with on the left of described master gear 1, described master gear shoulder 3 forms annular groove 4 with master gear 1, and master gear shoulder 3 has two rectangle grooves 5, described pinion 2 arranged outside has projection 6, and described projection 6 is arranged in annular groove 4, described projection 6 is L-type projection, and the size of described projection 6 is less than the size of rectangle groove 5;
The L-type projection 6 of pinion 2 in use, inserts in the rectangle groove 4 of master gear 1 by the utility model, and L-type projection 6 rotates 60 ° or 120 ° along annular groove, so just can be fixed on master gear 1 by pinion 2, can realize various rotating speed.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a lathe shift combination gear coupling device, it is characterized in that, comprise master gear and pinion, master gear shoulder is provided with on the left of described master gear, described master gear shoulder forms annular groove with master gear, and master gear shoulder has two rectangle grooves, described pinion arranged outside has projection, and described projection is arranged in annular groove.
2. a kind of lathe shift combination gear coupling device according to claim 1, it is characterized in that, described projection is L-type projection.
3. a kind of lathe shift combination gear coupling device according to claim 2, it is characterized in that, the size of described projection is less than the size of rectangle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208424.7U CN204647214U (en) | 2015-04-08 | 2015-04-08 | A kind of lathe shift combination gear coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208424.7U CN204647214U (en) | 2015-04-08 | 2015-04-08 | A kind of lathe shift combination gear coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647214U true CN204647214U (en) | 2015-09-16 |
Family
ID=54099970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520208424.7U Expired - Fee Related CN204647214U (en) | 2015-04-08 | 2015-04-08 | A kind of lathe shift combination gear coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647214U (en) |
-
2015
- 2015-04-08 CN CN201520208424.7U patent/CN204647214U/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 | ||
| 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: 20150916 Termination date: 20190408 |