CN204621691U - Five axle synchronous revolving milling indexing means - Google Patents

Five axle synchronous revolving milling indexing means Download PDF

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Publication number
CN204621691U
CN204621691U CN201520316611.7U CN201520316611U CN204621691U CN 204621691 U CN204621691 U CN 204621691U CN 201520316611 U CN201520316611 U CN 201520316611U CN 204621691 U CN204621691 U CN 204621691U
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China
Prior art keywords
milling
gear
axle
workpiece
synchronous revolving
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CN201520316611.7U
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Chinese (zh)
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昌春海
黄敬嵩
祝艳奇
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LIUAN JIANGHUAI YONGDA MACHINERY MANUFACTURING CO LTD
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LIUAN JIANGHUAI YONGDA MACHINERY MANUFACTURING CO LTD
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Abstract

The utility model discloses a kind of five axle synchronous revolving milling indexing means, it is characterized in that comprising five axle synchronous revolving milling dividing head and pneumatic tail centres; The output shaft that the jackshaft of five axle synchronous revolving milling dividing heads is clamped by the 4th axle chuck of shaft coupling and processing center machine tool or CNC milling machine is connected; Another axle head is separately installed with detachable mandrel and the workpiece on it; Utilize top axial location and the locking realizing workpiece 8 of Pneumatic tail, thus realize the Milling Process to workpiece.The utility model can promote the cutting utilization rate of the 4th axle and chrcular index processing parts, reduces labor strength, thus realizes the highly-efficient processing that a work step processes five products.

Description

Five axle synchronous revolving milling indexing means
Technical field
The utility model relate to a kind of can as the high-performance device of time processing five products of machining center or CNC milling machine annex, a kind of five axle synchronous revolving milling indexing means specifically.
Background technology
Machining center or CNC milling machine are that a kind of operation is concentrated, the strong adaptability to processing object, efficient, high-precision feature, when batch machining needs chrcular index to process the workpiece of porose, the keyway of circumference and plane, traditional approach is with the workpiece on the scroll chuck clamping mandrel single-piece work mandrel on machining center the 4th axle and chrcular index, as needed top support also be hand-rail type apex tailstock, manual rotation tail footstock handle tail centre is headed into Milling Process that centre bore can carry out product.
Part machining need time comprise the time kept in reserve and non-cutting time two parts.Machining center is with tool magazine and automatic tool changer, a machine tool can concentrate working procedures, thus the regulation time of clamping workpiece, measurement and lathe can be reduced, when processing some and needing the part using chrcular index, the ratio accounting for whole process time non-cutting time of single-piece work is higher.During batch machining, operative employee frequently need open machine tool protection door, as need with hand-rail type apex tailstock then non-cutting time longer, not easily realize people's multi-machine operation of operative employee, therefore not very high with the cutting utilization rate cutting time of lathe when machining center the 4th axle and chrcular index processing parts and the ratio of running time, be about about 60%.
Summary of the invention
The utility model is the weak point solving the existence of above-mentioned prior art, a kind of five axle synchronous revolving milling indexing means are proposed, to the cutting utilization rate of the 4th axle and chrcular index processing parts can be promoted, reduce labor strength, thus realize the highly-efficient processing that a work step processes five products.
The utility model technical solution problem adopts following technical scheme:
A kind of five axle synchronous revolving milling index units of the utility model, be applied in processing center machine tool or CNC milling machine, its design feature comprises five axle synchronous revolving milling dividing head and pneumatic tail centres; Described five axle synchronous revolving milling dividing heads are made up of two driven shaft milling dividing heads about middle driving shaft milling dividing head and its, and the afterbody of described jackshaft milling dividing head is provided with driving gear; The afterbody of two the driven shaft milling dividing heads in described left and right is respectively arranged with driven gear assembly;
The output shaft that the tail end of described middle driving shaft milling dividing head is clamped by the 4th axle chuck of shaft coupling and described processing center machine tool or CNC milling machine is connected; Another axle head of described five axle synchronous revolving milling dividing heads is separately installed with detachable mandrel, described detachable mandrel is equipped with the workpiece of required processing;
Described Pneumatic tail is top comprises slim single pole double-acting cylinder, tailstock sleeve and revolution tack; Promote the reach of described tailstock sleeve with described slim single pole double-acting cylinder, and drive the top end face withstanding on described workpiece of the revolution tack of described tailstock sleeve front end, thus form axial location and the locking mechanism of workpiece;
Drive the driving gear on described middle driving shaft milling dividing head with the output shaft of described 4th axle chuck clamping and drive each two the driven gear component synchronization revolution in its left and right; Thus make described five axle synchronous revolving milling dividing heads drive described workpiece to turn round together by described detachable mandrel, and the Quick changing milling clamp head of described processing center machine tool or CNC milling machine is utilized to form Milling Process structure to described workpiece.
The design feature of five axle synchronous revolving milling index units described in the utility model is also:
The first gear and the second gear is comprised from described driven gear assembly; Described first gear and the second gear are provided with the gap tunable arrangement that disappears; The described gap tunable arrangement that disappears comprises two symmetrically arranged taper adjustment screw and four symmetrically arranged lock-screws; The adjustment structure of pitch wheel sideshake between described first gear and the second gear is formed with described two taper adjustment screw; The locking mechanism between described first gear and the second gear is formed with described four lock-screws.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model utilizes machining center the 4th axle and chrcular index to connect five axle synchronous revolving milling dividing head and pneumatic tail centres, forms the highly-efficient processing that a work step processes five products.Improve work efficiency more than 1 ~ 2 times compared with the single-piece work of dividing head single shaft, can labor strength be reduced simultaneously, significantly reducing lathe number of changing knife man-hour for needing the product of repeatedly tool changing processing can add at same work step, improve production efficiency and utilization rate of equipment and installations;
2, the utility model driven gear is designed with the gap tunable arrangement that disappears, achieve driving and driven gear adds man-hour high rotating accuracy in rotating, the Product processing of circumferential position degree technical requirement can be realized, such as circumferentially need the hole, face, groove etc. that process halving hole, plane, keyway or have angle requirement, and reach very high circumferential position required precision≤± 15 ';
3, the utility model is by the top axial quick position clamping realizing product of Pneumatic tail, reduces labor strength, shortens the secondary process time;
4, the utility model realizes the clamping of different part by changing different axle head mandrels, thus is applicable to different products;
5, the utility model device is combined compact conformation with machining center the 4th axle, can use as machine tool accessories, time processing five products, rotating accuracy is high, easy to loading and unloading, special suitable batch Product processing, processes different products and realizes by changing different axle head mandrels, is conducive to promoting.
Accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the utility model top view;
Fig. 3 is that the utility model disappears gap tunable arrangement schematic diagram;
Fig. 3 a is the sectional view of A-A in Fig. 3;
Number in the figure: 1 machining center the 4th axle and chrcular index; 2 shaft couplings; 3 driven gear assemblies; 3a first gear; 3b second gear; 3c taper adjustment screw; 3d lock-screw; 4 driving gears; 5 five axle synchronous revolving milling dividing heads; 6 detachable mandrels; 7 Quick changing milling clamp heads; 8 workpiece; 9 five axle Pneumatic tails are top.
Detailed description of the invention
In the present embodiment, as shown in Figure 1, a kind of five axle synchronous revolving milling index units comprise: the five axle synchronous revolving milling dividing heads 5 be connected with the 4th axle 1 i.e. chrcular index of processing center machine tool or CNC milling machine and pneumatic tail centre 9 are a single unit system; As shown in Figure 2, five axle synchronous revolving milling dividing heads 5 are made up of driving shaft in the middle of milling dividing head and each two driven shafts in its left and right, and the afterbody of jackshaft is provided with driving gear 4; The afterbody of each two driven shafts in left and right is separately installed with driven gear wheel assembly 3;
As shown in Figure 2, the 4th axle of processing center machine tool or CNC milling machine and the output shaft of chrcular index chuck clamping are connected by the tail end of shaft coupling 2 with middle driving shaft milling dividing head; Thus drive the driving gear 4 on middle driving shaft milling dividing head and drive each two the driven gear wheel assemblies 3 in its left and right to engage each other transmission formation synchronous revolving; Master and slave moving axis is provided with plane bearing and needle bearing;
Another axle head of five axle synchronous revolving milling dividing heads 5 is separately installed with detachable mandrel 6, and detachable mandrel 6 is equipped with the workpiece 8 of required processing, and can change according to different product.
Pneumatic tail top 9 comprises slim single pole double-acting cylinder, tailstock sleeve and revolution tack; Promote tailstock sleeve reach with slim single pole double-acting cylinder and retreat, and driving the top end face withstanding on workpiece 8 of the revolution tack of tailstock sleeve front end, thus realizing the axial quick position of workpiece 8 and the replacing requirement of locking and different product;
Five axle synchronous revolving milling dividing heads 5 drive workpiece 8 synchronous revolving by detachable mandrel 6, to form the Quick changing milling clamp head 7 of processing center machine tool or CNC milling machine by the Milling Process structure of numerical control program realization to operations such as workpiece 8 boring circumferentially, groove milling, milling flat, milling spiral chutes, and whole five axle synchronous revolving milling index units are connected with platen face.
In concrete enforcement, form synchronous revolving gap to make active and driven shaft and reach higher circumferential position rotating accuracy requirement, in driven gear assembly 3 and shaft design process, be provided with the gap tunable arrangement that disappears;
Concrete, as shown in Figure 3 a, the often group driven gear assembly 3 on driven shaft comprises the first gear 3a and the second gear 3b; First gear 3a and the second gear 3b are provided with the gap tunable arrangement that disappears; As shown in Figure 3, the gap that disappears tunable arrangement comprises two symmetrically arranged taper adjustment screw 3c and four symmetrically arranged lock-screw 3d; First gear 3a and the second gear 3b mounted in pairing mode, the screwed hole of taper adjustment screw 3c and the stepped hole mutual dislocation 1 ° on it, when screwing in taper adjustment screw 3c, its conical surface and inner bore of step single edge contact, when continuing to screw in taper adjustment screw 3c, second gear 3b rotates along the first gear 3a center trace the adjustment can carrying out gear backlash between diaxon, realizes adjusting to minimum with the gears meshing backlash of pairing; The rotation of taper adjustment screw 3c can allow the reverse trace of two of driven gear assembly gears rotate the effect reaching adjusting gear sideshake; Then four lock-screw 3d are by two of driven gear assembly wheel gear lockings, double bond groove in first gear 3a is connected with axle, thus forms the adjustment structure to pitch wheel sideshake between the first gear 3a and the second gear 3b with two taper adjustment screw 3c; Formed the locking mechanism between the first gear 3a and the second gear 3b with four lock-screw 3d;
In the present embodiment, the gear clearance adjusted on each axle regulates when mounted, it adjusts gap step to be after axle in the middle of first installation diagram 2 and driving gear, axle and the driven gear assembly of both sides are installed again, the intermeshing backlash of gear is adjusted by the mode of above-mentioned adjustment gear assembly, axle and the driven gear assembly adjust gear backlash in outside are installed after locking more respectively, by the manual adjustment in assembling process and locking coupling gear, when reaching manual rotation jackshaft, gear engages each other flexibly, without dead point, just, without revolution gap during reversion, achieve master, circumferential position precision≤± 15 ' during driven gear rotating, thus the product of circumferential position degree technical requirement can be processed with, such as circumferentially need to be processed with halving hole, plane, keyway or have the hole of angle requirement, face, groove etc.
In concrete enforcement, the utility model carries out practical operation as follows:
1, whole device is fixed on machining center table top by Fig. 2 mode, install five axle synchronous revolving milling dividing heads 5 and five axle Pneumatic tails top 9 time need alignment positive position, by shaft coupling 2, lathe the 4th axle 1 i.e. chrcular index is connected with the five axle synchronous revolving milling jackshafts of dividing head 5;
2, change detachable mandrel 6, mandrel is equipped with required processing work 8, and five top 9 positions of axle Pneumatic tail are adjusted, in order to the dismounting of workpiece 8;
3, numerical programming procedure, the coordinate of each workpiece of centering, workpiece 8 is arranged on mandrel 6, five axle Pneumatic tails top 9 can realize the axial locking of workpiece 8, and lathe Quick changing milling clamp head 7 realizes the Milling Process of the operations such as workpiece 8 boring circumferentially, groove milling, milling flat, milling spiral chute by numerical control program.
The utility model device easily realizes people's multi-machine operation when processing this series products, therefore can reach more than 80% with the cutting utilization rate cutting time of lathe when machining center the 4th axle and chrcular index processing parts and the ratio of running time.

Claims (2)

1. five axle synchronous revolving milling indexing means, are be applied in processing center machine tool or CNC milling machine, it is characterized in that comprising five axle synchronous revolving millings dividing head (5) and pneumatic tail centre (9); Described five axle synchronous revolving millings dividing head (5) are made up of two driven shaft milling dividing heads about middle driving shaft milling dividing head and its, and the afterbody of described jackshaft milling dividing head is provided with driving gear (4); The afterbody of two the driven shaft milling dividing heads in described left and right is respectively arranged with driven gear assembly (3);
The output shaft that the tail end of described middle driving shaft milling dividing head is clamped by the 4th axle chuck of shaft coupling (2) and described processing center machine tool or CNC milling machine is connected; Another axle head of described five axle synchronous revolving millings dividing head (5) is separately installed with detachable mandrel (6), described detachable mandrel (6) is equipped with the workpiece (8) of required processing;
Described Pneumatic tail top (9) comprises slim single pole double-acting cylinder, tailstock sleeve and revolution tack; Promote the reach of described tailstock sleeve with described slim single pole double-acting cylinder, and drive the top end face withstanding on described workpiece (8) of the revolution tack of described tailstock sleeve front end, thus form axial location and the locking mechanism of workpiece (8);
Drive the driving gear (4) on described middle driving shaft milling dividing head with the output shaft of described 4th axle chuck clamping and drive each two driven gear assembly (3) synchronous revolvings in its left and right; Thus make described five axle synchronous revolving millings dividing head (5) drive described workpiece (8) to turn round together by described detachable mandrel (6), and utilize the Milling Process structure of the Quick changing milling clamp head of described processing center machine tool or CNC milling machine (7) formation to described workpiece (8).
2. five axle synchronous revolving milling indexing means according to claim 1, is characterized in that: comprise the first gear (3a) and the second gear (3b) from described moving gear assembly (3); Described first gear (3a) and the second gear (3b) are provided with the gap tunable arrangement that disappears; The described gap tunable arrangement that disappears comprises two symmetrically arranged taper adjustment screw (3c) and four symmetrically arranged lock-screws (3d); The adjustment structure of pitch wheel sideshake between described first gear (3a) and the second gear (3b) is formed with described two taper adjustment screw (3c); The locking mechanism between described first gear (3a) and the second gear (3b) is formed with described four lock-screws (3d).
CN201520316611.7U 2015-05-15 2015-05-15 Five axle synchronous revolving milling indexing means Active CN204621691U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104827348A (en) * 2015-05-15 2015-08-12 六安江淮永达机械制造有限公司 Dividing device with five shafts rotating simultaneously for milling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104827348A (en) * 2015-05-15 2015-08-12 六安江淮永达机械制造有限公司 Dividing device with five shafts rotating simultaneously for milling

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