CN205057197U - Arc tooth bevel gear mills tooth gerar grinding lathe - Google Patents
Arc tooth bevel gear mills tooth gerar grinding lathe Download PDFInfo
- Publication number
- CN205057197U CN205057197U CN201520729558.3U CN201520729558U CN205057197U CN 205057197 U CN205057197 U CN 205057197U CN 201520729558 U CN201520729558 U CN 201520729558U CN 205057197 U CN205057197 U CN 205057197U
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- China
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- lathe
- tooth
- workhead
- cutter
- bevel gear
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Abstract
Arc tooth bevel gear mills tooth gerar grinding lathe, the left side protruding portion is the headstock on the lathe, and headstock side fixed connection cutter cage chair has the milling cutter dish on the cutter cage chair, install flaky emery wheel gerar grinding on the milling cutter dish, and the sword tooth of milling cutter dish is installed with the emery wheel gerar grinding crisscrossly and is formed two rings of inside and outside cutting edges, and fixed connection has a saddle on the lathe right side, and the workhead passes through bolt and nut with the bed saddle to be connected, and the workhead can rotate, and the work piece is adorned on the workhead. Mechanical structure to the lathe adjusts, makes lathe simple structure, low in cost, operation maintenance convenience. Simultaneously, will mill the tooth again and combine to be in the same place with the gerar grinding, enlarge the function of lathe, improve the technology scope, reduce the acquisition cost.
Description
Technical field
The utility model relates to a kind of lathe, especially spiral bevel gear milling grinding machine bed.
Background technology
Spiral bevel gear is the one of spiral bevel gear, and its gear teeth nodel line is a part for circular arc.In the engagement process of gear pair, the gear teeth enter engagement by one end gradually and reposefully to the other end, the number of teeth simultaneously engaged is many, compared with straight bevel gear, spiral bevel gear has that contact ratio is comparatively large, flank of tooth specific pressure is lower, stable drive, impact and the advantage such as noise is smaller, bearing capacity is high and the life-span is long.Therefore obtain applying quite widely in the motion of spiral bevel gear between transmission concurrent aces, especially more extensive in sector applications such as automobile, aircraft, lathe, oil, chemical industry, metallurgy, mining machineries.Due to the complexity on tooth-shape structure, processing method and working gear mounting structure, for the lathe of traditional frame for movement, adjustment parameter is many especially, wastes time and energy, and difficult quality guarantee.Domestic and international existing numerical control spiral bevel gear machining tool, mostly adopt five axles, six Shaft and NC Machining Test systems, cost is high, programming, maintenance, repair complexity.
Utility model content
The technical problem that the application will solve overcomes above-mentioned defect, provides a kind of spiral bevel gear milling grinding machine bed.
For solving the problems of the technologies described above, the technical scheme of employing is:
Spiral bevel gear milling grinding machine bed, lathe upper left side protuberance is main spindle box, main spindle box side is fixedly connected with cutter cage chair, cutter cage chair has facing cutter, facing cutter is installed the emery wheel roll flute of sheet, the cutter tooth of facing cutter and emery wheel roll flute are installed alternately and are formed inside and outside two and enclose blade, saddle is fixedly connected with on the right side of lathe, workhead is connected by bolt and nut with saddle, and workhead can rotate, and workpiece is contained on workhead.
The beneficial effects of the utility model are: adjust the frame for movement of lathe, make that machine tool structure is simple, cheap, convenient operating maintenance., again mill teeth and roll flute are combined meanwhile, expand the function of lathe, improve processing range, reduce acquisition cost.
Accompanying drawing explanation
Fig. 1 is machine tool structure schematic diagram;
Fig. 2 is the process principle figure of spiral bevel gear;
Fig. 3 is the transmission principle figure of lathe.
In figure, 1. main spindle box; 2. cutter cage chair; 3. facing cutter; 4. workpiece; 5. workhead; 6. saddle.
Detailed description of the invention
Be illustrated in figure 1 the appearance schematic diagram of lathe, in figure, 1 is main spindle box, and 2 is cutter cage chair, and 3 is facing cutter (roll flute cutterhead), and workpiece 4 is contained on workhead 5, and workhead can adjust angle on saddle 6, and saddle can do incision feed motion.Suitable sheet or bowl-shape emery wheel are selected in the realization of 5 roll flutes, the shape that reconditioning goes out to need.Be arranged on the position of facing cutter, the function of roll flute can be realized.Can a tractor serves several purposes be realized like this, expand processing range.
The process principle of spiral bevel gear is the imaginary bevel gear with 90°face angle formed when utilizing tool motion, with workpiece to rolling across in journey, process the gear-profile of workpiece, its cutter used is facing cutter.As shown in Figure 2, the cutter tooth of facing cutter is installed alternately and is formed inside and outside two circle blades, and imaginary bevel gear with 90°face angle in fact only exists gear teeth, is formed when it is rotated by facing cutter.When cutter cage chair slowly turns round around center, one section of facing cutter cutter tooth movement locus forms a flank profil of spade gear, and spade gear and workpiece are being done in generating motion process, and workpiece cuts out the both sides involute profile of a teeth groove.Curved-tooth gear milling machine, in a working cycles, can only complete the processing of a workpiece teeth groove, often processes a teeth groove, all need to exit workpiece and calibration once, successively process whole gear teeth.According to above analysis, curved-tooth bevel gear tooth gear milling machine needs following motion.Main motion is the cut layer on excision workpiece, and make it the main movement changing cutting into, it is the highest that it has cutting speed, the feature that consumed power is maximum.The gyration of facing cutter is main motion, it is responsible for driving cutter tooth to realize the relative motion with workpiece, workpiece blank cuts out teeth groove, power required for it is maximum, the energy consumed is maximum, be the principal element determining machine tool chief axis size and power of motor, its movement velocity and precision directly have influence on efficiency and the precision of Gear Processing.Generating motion allows the process tool (cutterhead) of lathe and the transmission of part to be processed analog operation, the instantaneous Center of cutter and workpiece makes pure rolling mutually, keep the speed ratio relation determined between the two, to obtain finished surface be exactly the enveloping surface of blade in this motion.The rotary motion of the cutterhead of this lathe and the rotary motion of workpiece are generating motion, require strict gearratio, belong to inner transmission chain.Feed motion drops into cutting being cut layer successively or continuously, and to cut out the motion on whole surface gradually, consumed power is less.The generating motion of this lathe is also feed motion simultaneously.Incision motion is cutter opposite piece incision certain depth, to ensure that workpiece meets the requirements of size.Dividing movement is periodic shift by Multi-station working bench, knife rest etc. and conversion, so that each surface on processing work successively, or uses different cutters to carry out the motion of order processing to workpiece successively.Because this lathe working cycles only can process a teeth groove, therefore need to carry out calibration after processing a groove, reprocess another groove.Adjusting movement is the motion making cutter and workpiece be in correct relative position.This motion can individual operation.
Transmission principle figure as shown in Figure 3.The motor of main motion is alternating-current variable frequency motor, by one group of changeless gear drive Chain conveyer, the cutting speed needed for being obtained by alternating-current variable frequency motor, if will change cutting speed, only needs the rotating speed changing variable-frequency motor by digital control system.Mouth organized by the cutting speed change gear (change gear) that can save like this in machine driving.Generating motion is controlled respectively by C axle servomotor and A axle servomotor, motor drives workpiece to do feed motion slowly by worm and gear, at its tip of the axis, pulse coder is housed, in order to detect the actual angle turned over, feed back to digital control system, controlled the rotation of motor by digital control system, move in strict accordance with given gearratio; Motor 3, by the motion of worm and gear carry its tools cage chair, realizes the generating motion mouth of cutter and workpiece.Moved by Z axis motor and realize incision by fixing gear drive drive leading screw, drive saddle and exit.Dividing movement drives worm screw by A axle servomotor, drives worm gear thus drives workpiece to realize rotary index.Mode manually adjusts the relative position of workhead, saddle and main shaft to meet the angle requirement of axis of workpiece and main-shaft axis.
Claims (1)
1. spiral bevel gear milling grinding machine bed, it is characterized in that: lathe upper left side protuberance is main spindle box, main spindle box side is fixedly connected with cutter cage chair, cutter cage chair has facing cutter, facing cutter is installed the emery wheel roll flute of sheet, the cutter tooth of facing cutter and emery wheel roll flute are installed alternately and are formed inside and outside two and enclose blade, saddle is fixedly connected with on the right side of lathe, workhead is connected by bolt and nut with saddle, and workhead can rotate, and workpiece is contained on workhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729558.3U CN205057197U (en) | 2015-09-18 | 2015-09-18 | Arc tooth bevel gear mills tooth gerar grinding lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729558.3U CN205057197U (en) | 2015-09-18 | 2015-09-18 | Arc tooth bevel gear mills tooth gerar grinding lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205057197U true CN205057197U (en) | 2016-03-02 |
Family
ID=55383800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520729558.3U Expired - Fee Related CN205057197U (en) | 2015-09-18 | 2015-09-18 | Arc tooth bevel gear mills tooth gerar grinding lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205057197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514008A (en) * | 2018-12-20 | 2019-03-26 | 金华新天齿轮有限公司 | The efficient mill teeth process equipment of one skill in using a kitchen knife in cookery of automobile axle driven wheel of differential and processing method |
-
2015
- 2015-09-18 CN CN201520729558.3U patent/CN205057197U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514008A (en) * | 2018-12-20 | 2019-03-26 | 金华新天齿轮有限公司 | The efficient mill teeth process equipment of one skill in using a kitchen knife in cookery of automobile axle driven wheel of differential and processing method |
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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: 20160302 Termination date: 20160918 |