CN202846232U - Blisk numerically-controlled machine tool disc milling main shaft device - Google Patents
Blisk numerically-controlled machine tool disc milling main shaft device Download PDFInfo
- Publication number
- CN202846232U CN202846232U CN 201220421690 CN201220421690U CN202846232U CN 202846232 U CN202846232 U CN 202846232U CN 201220421690 CN201220421690 CN 201220421690 CN 201220421690 U CN201220421690 U CN 201220421690U CN 202846232 U CN202846232 U CN 202846232U
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- dish
- gear
- blisk
- cutter
- main shaft
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Abstract
The utility model discloses a blisk numerically-controlled machine tool disc milling main shaft device. A disc milling main shaft box body structure shaped like a Chinese character 'ao' is adopted. A plurality of gear shafts are distributed in the box body in a parallel mode. A gear pair on each gear shaft is a helical gear. Helical gears on the gear shaft are meshed. Motive power is transmitted to a disc milling cutter shaft through a bevel gear pair and the helical gears which are meshed on the plurality of gear shafts. A servo motor is installed on the upper portion of the left side of an outer box body of a motive power transmission mechanism to drive a synchronous belt and a worm and gear pair to move, and the disc milling main shaft box body swings around a shaft wire. Safe reliability in the process of disc milling machining can be guaranteed through the application of a rat tooth plate structure, the disc milling main shaft device can keep good rigidity under the impacts of large cutting force and torque, and at the same time, cutter-changing time is effectively reduced through a simple cutter-exchanging structure and form. The disc milling main shaft device is applied in the process of machining of the blisk, and therefore machining efficiency of the blisk can be greatly improved, machining cost can be reduced, and the blisk numerically-controlled machine tool disc milling main shaft device has good application value.
Description
Technical field
The utility model belongs to technological equipment structural design and manufacturing technology field, relates to a kind of blisk Digit Control Machine Tool dish and mills main shaft device.
Technical background
Blisk obtains using more and more widely in aircraft industry as the core component of aero-engine of new generation.Its application is to improve engine performance, simplified structure, is again the important measures that improve its reliability; Simultaneously, its working (machining) efficiency and production cost also become the important content of domestic research and development unit and manufacturing enterprise's research.
Blisk passage fluting roughing material removal amount is very big, accounts for more than 90% of total removal amount.The removal that the roughing process is finished most materials as far as possible high-speed and high-efficiency under the prerequisite that satisfies the requirement of radius allowance, approaches lobe surface, guarantees that surplus is evenly distributed.The blisk passage of domestic present employing fluting roughing mode mainly is to insert to mill with side milling by five-coordinate numerally controlled machine tool to realize, working (machining) efficiency is low, finishes the process-cycle of blisk from the blank to the finished product longer.Some other processing mode, such as a solution processing and line cutting technology etc., certain applications still do not have large-scale the popularization at present in the processing of blisk yet.
By verification experimental verification, the dish milling is cut and can significantly be improved roughing blisk fluting efficient, shortens the production cycle, therefore but will coil milling and cut process technology and be applied to the domestic blisk working (machining) efficiency of Effective Raise in the blisk processing and manufacturing, reduce production costs.Because blisk mostly is the difficult to machine materials such as titanium alloy, high temperature alloy, so dish milling turning device should have the characteristics of high rigidity, high pulling torque, large cutting force.
The utility model content
Deficiency for fear of the prior art existence, overcome the problem that blisk processing efficient is low, cost is high, the utility model proposes a kind of blisk Digit Control Machine Tool dish and mill main shaft device, the mode that its body structure and many rooted teeth wheel shaft power transmit, and the application of mouse tooth disk structure, guaranteed that structure has the characteristics of high rigidity, high pulling torque, large cutting force; Simple tool-changing mechanism and form can reduce tool change time, effectively improve working (machining) efficiency.
The technical scheme that its technical problem that solves the utility model adopts is: mill main spindle box, dish milling cutter assembly, power drive mechanism, mouse tooth disk, worm couple by dish and form, comprise bevel gear pair, gear shaft, helical gears, blind rivet, projection, dish cutter spindle, dish milling cutter, axle sleeve, bearing shell, the collar, servomotor, locking nut;
Described dish mills main spindle box body and is concave character type, it is helical gears that the parallel distribution of four rooted tooth wheel shafts in the casing, each axle cog secondary, and each axis helical teeth roller gear is intermeshing, the second bevel gear and the 5th gear shaft are connected, and the second gear shaft is connected with projection by blind rivet with the dish cutter spindle; Each gear shaft two ends is fixed by upper end cover, bottom end cover and bearing;
Described dish milling cutter assembly is positioned at dish and mills the casing front portion, dish cutter spindle upper end is conical, the lower end is cylindricality, the dish cutter spindle is by the upper end conical surface and casing location, the blind rivet axial tightening is adopted in the upper end, the middle part is provided with axle sleeve and cooperates with the bearing shell that is installed in the casing correspondence position, and the lower end is installed locking nut cutter shaft is carried out axial locking; The dish milling cutter is installed in the cutter shaft middle part, and cutterhead carries out axial restraint by projection and the collar, and the dish milling cutter diameter is 160mm-600mm.
Described power drive mechanism provides power by servomotor; The first bevel gear and the first gear shaft are connected, the second bevel gear engagement on the first bevel gear and the 5th gear shaft, and intermeshing helical gears transferring power is to coiling on the cutter spindle on bevel gear pair and the four rooted tooth wheel shafts; Servomotor is installed in power drive mechanism outer case left upper portion, drives Timing Belt, worm and gear secondary motion, and dish mills main spindle box body around axis oscillating.
Described worm couple is positioned at the outer case inboard, and worm screw and the first gear shaft are connected and cooperate with worm gear, and worm gear set is bolted with internal box in the transmission internal box right-hand member outside; Internal box mills the main spindle box body right-hand member with dish and is connected.
Described mouse tooth disk left side fluted disc and dish mill the casing right side and are connected by bolt, the right side fluted disc is positioned at the outer case left end, and by the transmission case body bearings, mouse tooth disk right side fluted disc moves at axis direction between internal box and the outer case, can not rotate around axis, the mouse tooth disk precision is 1 °.
Beneficial effect
The utility model blisk Digit Control Machine Tool dish mills main shaft device, adopts the concave character type dish to mill the main spindle box body structure; It is helical gears that the parallel distribution of many rooted teeth wheel shaft in the casing, each axle cog secondary, and each axis helical teeth roller gear is intermeshing, and intermeshing helical gears transferring power is to coiling on the cutter spindle on bevel gear pair and the many rooted teeth wheel shaft; Servomotor is installed in power drive mechanism outer case left upper portion, drives Timing Belt, worm and gear secondary motion, and dish mills main spindle box body around axis oscillating; The security reliability of process can the assurance dish be milled in the application of mouse tooth disk structure, and the assurance dish mills main shaft device under large cutting force, high pulling torque effect, keeps good rigidity, and simultaneously, simply tool-changing mechanism and form can reduce tool change time; Dish mills main shaft device and is applied in the processing of blisk, can increase substantially the working (machining) efficiency of blisk and cuts down finished cost, and has good using value.
Description of drawings
Below in conjunction with drawings and embodiments a kind of blisk Digit Control Machine Tool of the utility model dish being milled main shaft device is described in further detail.
Fig. 1 is that dish of the present utility model mills the headstock structure cutaway view.
Fig. 2 is that the utility model dish mills the main shaft device stereogram.
Fig. 3 is mouse tooth disk of the present utility model and swinging structure schematic diagram.
Among the figure:
1 disc milling spindle head 2. First bevel gear 3. First gear shaft 4. Second bevel gear 5. First bush 6. Second bearing 7. First end cap 8 nuts, the second sleeve 10. third sleeve 11. Fourth sleeve 12. knife shaft sleeve 13. bush 14. collar 15. disc cutter 16. bumps 17. disc cutter shaft 18 second gear shaft 19. Rivet 20. helical gear 21 second end cap 22. third cover 23. third gear shaft 24. fourth end cap 25. fifth end cap 26. fourth gear shaft 27. sixth cap 28 Fifth gear shaft 29. servo motor 30. outside the box 31. worm 32 worm gear 33. transmission box bearing 34. inner casing 35. Hirth left chainring 36 push ring 37. Hirth structure left chamber 38. right chamber 39. right chainring
The specific embodiment
The present embodiment is that a kind of dish for the high rigidity of having of Digit Control Machine Tool, high pulling torque, large cutting force characteristics mills main shaft device.
Consult Fig. 1, Fig. 2, Fig. 3, the utility model blisk Digit Control Machine Tool dish mills main shaft device, mill main spindle box by dish, dish milling cutter assembly, power drive mechanism, mouse tooth disk, worm couple forms, and comprises that dish mills main spindle box 1, the first bevel gear 2, the first gear shaft 3, the second bevel gear 4, the first axle sleeve 5, the second bearing 6, the first end cap 7, locking nut 8, the second axle sleeve 9, the 3rd axle sleeve 10, the 4th axle sleeve 11, cutter shaft axle sleeve 12, bearing shell 13, the collar 14, dish milling cutter 15, projection 16, dish cutter spindle 17, the second gear shaft 18, blind rivet 19, helical gears 20, the second end cap 21, the 3rd end cap 22, the 3rd gear shaft 23, the 4th end cap 24, five terminal lid 25, the 4th gear shaft 26, the 6th end cap 27, the 5th gear shaft 28, servomotor 29; Power drive mechanism provides power by servomotor, regulates by frequency converter and deceleration device; The first bevel gear 2 is fixedly connected with the first gear shaft 3 by flat key, rely on the collar of left end end cap and right-hand member to carry out axial location, the second bevel gear 4 is connected with the 5th gear shaft 28 by key, and the first bevel gear 2 and 4 engagements of the second bevel gear change the transmission of power direction by bevel gear pair.The 5th gear shaft 28, the 4th gear shaft 26, the 3rd gear shaft 23, the second gear shaft 18 parallel dishes that are distributed in mill in the main spindle box 1, four rooted tooth wheel shaft axles cog and are helical gears, the helical gears of four rooted tooth wheel shafts are intermeshing, the second bevel gear and the 5th gear shaft are connected, and the second gear shaft is connected with projection by blind rivet with the dish cutter spindle; Each end of four rooted tooth wheel shafts is fixed by upper end cover, bottom end cover and bearing; Dish cutter spindle 17 is installed in the casing leading section, and the upper end relies on blind rivet 19 tensions of M24, will coil cutter spindle 17 with bolt with projection 16 and be connected with the second gear shaft 18, finishes by the transmission of power of gear shaft to the dish cutter spindle.Blind rivet 19 is fixed in the second gear shaft 18, and dish cutter spindle 17 positions by the upper end conical surface.Bearing shell 13 is installed in casing front end the latter half, and the cutter shaft axle sleeve 12 of installing with dish cutter spindle 17 middle parts cooperates, cutter shaft axle sleeve 12 with coil cutter spindle 17 and be connected by key.Bearing shell 13 internal diameters should be greater than dish cutter spindle 17 maximum gauges, so that 15 tool changing of dish milling cutter are convenient.Dish cutter spindle 17 is equipped with locking nut 8 bottom, thereby changes the position of the second axle sleeve 9, the 3rd axle sleeve 10, the 4th axle sleeve 11 at axis direction locking plate cutter spindle 17 by adjusting lock nut 8.
As shown in Figure 3, worm screw 31 is installed in internal box 34 upsides of the first gear shaft 3, cooperates with worm gear 32, and worm gear 32 is enclosed within the transmission internal box 34 right-hand members outside, is bolted with internal box.Internal box 34 mills main spindle box 1 right-hand member with dish and is connected, and servomotor 29 is installed in upper end, drive mechanism outer case 30 left sides, drives Timing Belt, and the worm and gear secondary motion makes dish mill main spindle box 1 around axis oscillating, thus the angle of selecting machining to require.
The mouse tooth disk structure comprises outer case 30, worm screw 31, worm gear 32, transmission case body bearing 33, internal box 34, mouse tooth disk left side fluted disc 35, promotes ring 36, the left chamber 37 of mouse tooth disk structure, right chamber 38, right side fluted disc 39; Mouse tooth disk left side fluted disc 35 mills main spindle box 1 right side with dish and is connected by bolt, and right side fluted disc 39 is installed in drive mechanism outer case 30 left ends, supports by transmission case body bearing 33 between drive mechanism internal box 34 and the outer case 30.Mouse tooth disk right side fluted disc 39 can move at axis direction, can not rotate around axis.Pass into hydraulic oil in the left chamber 37 of mouse tooth disk structure, promotion ring 36 is moved to right, promote right side fluted disc 39 and move right, left side fluted disc 35 is separated with right side fluted disc 39, control servomotor 29 rotations this moment, adjustment plate is milled casing and is rotated suitable angle; After turning to suitable angle, stop to the left chamber of mouse tooth disk structure 37 logical oil, chamber 38 passes into hydraulic oil to the right, promotes right side fluted disc 39 and moves to left, and fluted disc 35 and the 39 engagement lockings of right side fluted disc begin to coil milling and cut on the left of this moment.The mouse tooth disk structural rigidity is high, the life-span is long, coupling mechanism force is large, can the assurance dish mills the security reliability of process.Mill the demand of processing for satisfying the blisk dish, it is 1 ° that dish mills the mouse tooth disk precision that main shaft device selects.
Claims (4)
1. a blisk Digit Control Machine Tool dish mills main shaft device, it is characterized in that: mill main spindle box by dish, dish milling cutter assembly, power drive mechanism, mouse tooth disk, worm couple forms, comprise bevel gear pair, gear shaft, helical gears, blind rivet, projection, the dish cutter spindle, the dish milling cutter, axle sleeve, bearing shell, the collar, servomotor, locking nut, described dish mills main spindle box body and is concave character type, the parallel distribution of four rooted tooth wheel shafts in the casing, it is helical gears that each axle cogs secondary, each axis helical teeth roller gear is intermeshing, the second bevel gear and the 5th gear shaft are connected, and the second gear shaft is connected with projection by blind rivet with the dish cutter spindle; Each gear shaft two ends is fixed by upper end cover, bottom end cover and bearing; Described dish milling cutter assembly is positioned at dish and mills the casing front portion, dish cutter spindle upper end is conical, the lower end is cylindricality, the dish cutter spindle is by the upper end conical surface and casing location, the blind rivet axial tightening is adopted in the upper end, the middle part is provided with axle sleeve and cooperates with the bearing shell that is installed in the casing correspondence position, and the lower end is installed locking nut cutter shaft is carried out axial locking; The dish milling cutter is installed in the cutter shaft middle part, and cutterhead carries out axial restraint by projection and the collar, and the dish milling cutter diameter is 160mm-600mm.
2. blisk Digit Control Machine Tool dish according to claim 1 mills main shaft device, and it is characterized in that: described power drive mechanism provides power by servomotor; The first bevel gear and the first gear shaft are connected, the second bevel gear engagement on the first bevel gear and the 5th gear shaft, and intermeshing helical gears transferring power is to coiling on the cutter spindle on bevel gear pair and the four rooted tooth wheel shafts; Servomotor is installed in power drive mechanism outer case left upper portion, drives Timing Belt, worm and gear secondary motion, and dish mills main spindle box body around axis oscillating.
3. blisk Digit Control Machine Tool dish according to claim 1 mills main shaft device, it is characterized in that: described worm couple is positioned at the outer case inboard, worm screw and the first gear shaft are connected and cooperate with worm gear, and worm gear set is bolted with internal box in the transmission internal box right-hand member outside; Internal box mills the main spindle box body right-hand member with dish and is connected.
4. blisk Digit Control Machine Tool dish according to claim 1 mills main shaft device, it is characterized in that: described mouse tooth disk left side fluted disc and dish mill the casing right side and are connected by bolt, the right side fluted disc is positioned at the outer case left end, pass through the transmission case body bearings between internal box and the outer case, mouse tooth disk right side fluted disc moves at axis direction, can not rotate around axis, the mouse tooth disk precision is 1 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421690 CN202846232U (en) | 2012-08-23 | 2012-08-23 | Blisk numerically-controlled machine tool disc milling main shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421690 CN202846232U (en) | 2012-08-23 | 2012-08-23 | Blisk numerically-controlled machine tool disc milling main shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202846232U true CN202846232U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220421690 Expired - Fee Related CN202846232U (en) | 2012-08-23 | 2012-08-23 | Blisk numerically-controlled machine tool disc milling main shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202846232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785111A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Disk-milling main shaft device of vane-integrated disk numerical control machine tool |
| CN104607983A (en) * | 2014-12-10 | 2015-05-13 | 西安石油大学 | Deep hole inner wall blind hole machining tool |
-
2012
- 2012-08-23 CN CN 201220421690 patent/CN202846232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785111A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Disk-milling main shaft device of vane-integrated disk numerical control machine tool |
| CN104607983A (en) * | 2014-12-10 | 2015-05-13 | 西安石油大学 | Deep hole inner wall blind hole machining tool |
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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: 20130403 Termination date: 20160823 |