CN2363820Y - Device for working equal helical groove of cone - Google Patents
Device for working equal helical groove of cone Download PDFInfo
- Publication number
- CN2363820Y CN2363820Y CN 99232748 CN99232748U CN2363820Y CN 2363820 Y CN2363820 Y CN 2363820Y CN 99232748 CN99232748 CN 99232748 CN 99232748 U CN99232748 U CN 99232748U CN 2363820 Y CN2363820 Y CN 2363820Y
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- CN
- China
- Prior art keywords
- utility
- model
- dividing head
- steel
- working
- 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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Abstract
The utility model relates to a device for working equal helical conical groove. The utility model can overcome the defects that the existing working equipment has complex working progress, high cost, and unstable quality. The utility model is mainly characterized in that a driven wheel shaft of a machine tool and a side shaft of a dividing head are provided with a pair of steel belt wheels; the two steel belt wheels are connected by steel belts encircling on the two steel belt wheels. The utility model has the advantages of simple structure, low cost, convenient operation, and reliable working quality. The utility model can make the complex toothed-gear drive changed into the simple steel belt drive.
Description
The utility model relates to the annex or the device of a kind of special screw thread cutting lathe or device, particularly relates to a kind of device of processing thread grooves such as circular cone.
Circular cone equal helix angle slotting cutter is mainly used in Mould Machining, CNC milling machine etc., and it is compared with equal helix angle milling cutter not, and it is big to have cutting force, stable cutting, surface smoothness and working (machining) efficiency advantages of higher.But this kind cutter is because cutter blank is a cone, the helical pitch of the land curve on this taper seat is again a variable, so be difficult to processing on the plain-milling machine, to on special lathe, could realize with the cam penalty method, that is to say, press microcephaly's radius change gear milling tapering rod earlier, and then calculate the cam compensation rate, to satisfy the requirement that tapering changes.Special lathe like this, the cost height, the equipment complexity, operational sequence is many, the quality instability.
The purpose of this utility model is the deficiency that overcomes existing equipment, and changing the complicated gear transmission is simple Steel Belt Transmission, provides a kind of and just can process a kind of steady quality, easy to operate helicla flute devices such as circular cone on plain-milling machine.
For achieving the above object, the utility model removes the driving wheel that contains on the lathe, outside driven pulley and the dividing head side shaft, its main feature is: milling machine follower shaft and dividing head side shaft are provided with a pair of wheeled steel, between two wheeled steels by connecting around thereon steel band; Described thickness of strips has whenever milled a tooth dividing head side shaft rotating cycle X promptly by the difference n of two-wheeled around the footpath divided by 1/2nd
With the helicla flutes such as circular cone of the utility model device processing, method is simple, steady quality, and speed is fast, and cost is low.
Below in conjunction with drawings and Examples the utility model is elaborated.
Fig. 1 is the utility model structural representation.
Among the figure: 1, lathe screw mandrel, 2, driving wheel, 3, follower shaft, 4, wheeled steel, 5, driven pulley, 6, steel band, 7, the dividing head side shaft, 8, wheeled steel.
During the processing conical grooves, unload gear, driven pulley 5 coaxial driving wheels on the existing milling equipment dividing head side shaft 7.Driving wheel 2 on the lathe screw mandrel 1 and 5 engagements of the driven pulley on the follower shaft 3.A pair of wheeled steel 4,8 is installed on follower shaft 3 and dividing head side shaft 7, the wheeled steel internal diameter respectively with follower shaft 3 and dividing head side shaft 7 movingly.Between two wheeled steels 4,8 by connecting around at least two meters long steel band thereon.Because driving wheel 2, driven pulley 5 gearratio in milling the pin process are constant, and the gearratio of follower shaft 3 and dividing head side shaft 7 is to change along with the variation of workpiece tapering in milling process.So the steel band 6 that is looped around on two steel wheels 4,8 that joins with two axles 3,7 is also changing around shaft diameter.For satisfying the first-class spiral fluted requirement of taper seat, thickness of strips has whenever milled tooth dividing head side shaft rotating cycle X, i.e. a H around the poor n in footpath divided by 1/2nd by two belt wheels 4,8
When starting working, when milling cutter moved left to the workpiece small end, two belt wheels equated around shaft diameter.When milling cutter is shifted to the right to the big end of workpiece, belt wheel 8 on the dividing head side shaft 7 around shaft diameter greater than follower shaft 3 upper belt-wheels 4 around the footpath, along with the mobile of workbench in the milling process with around the variation of taking turns, the rotating speed of dividing head is also constantly changing, thereby has reached the gearratio that waits the helicla flute requirement.
The utility model is simple in structure, and cost is low, and easy operating need not to change existing lathe, processing parts speed is fast, reliable in quality.
Claims (3)
1, spiral fluted device such as a kind of processing circular cone, include driving wheel 2, driven pulley 5 and follower shaft 3, dividing head side shaft 7 is characterized in that: also be provided with on described follower shaft 3 and the dividing head side shaft 7 between a pair of wheeled steel 4,8, two belt wheels by connecting around thereon steel band 6.
2, according to the described device of claim 1, it is characterized in that: the thickness H of described steel band 6 has whenever milled a tooth dividing head side shaft rotating cycle X promptly by the difference n around the footpath of two wheeled steels 4,8 divided by 1/2nd:
3, according to the described device of claim 1, it is characterized in that described wheeled steel 4,8 respectively with follower shaft 3, separately side shaft 7 is movingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99232748 CN2363820Y (en) | 1999-02-02 | 1999-02-02 | Device for working equal helical groove of cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99232748 CN2363820Y (en) | 1999-02-02 | 1999-02-02 | Device for working equal helical groove of cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2363820Y true CN2363820Y (en) | 2000-02-16 |
Family
ID=34021372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99232748 Expired - Fee Related CN2363820Y (en) | 1999-02-02 | 1999-02-02 | Device for working equal helical groove of cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2363820Y (en) |
-
1999
- 1999-02-02 CN CN 99232748 patent/CN2363820Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |