CN201261080Y

CN201261080Y - Boring of tapered hole apparatus of numerical control machine

Info

Publication number: CN201261080Y
Application number: CNU200820218270XU
Authority: CN
Inventors: 章晓东
Original assignee: Dalian Huarui Co Ltd
Current assignee: Dalian Huarui Co Ltd
Priority date: 2008-09-26
Filing date: 2008-09-26
Publication date: 2009-06-24
Anticipated expiration: 2018-09-26

Abstract

The utility model discloses a CNC lathe cone hole boring device which comprises a taper-shank arbor, an internal ring gear, a planet gear, a main gear and a cutter bar. The CNC lathe cone hole boring device is characterized by comprising a main bevel gear, an auxiliary bevel gear, a reducer and a base body; a boring cutter radial rotation mechanism is arranged in the base body; and the automatic boring of a cone hole is realized. The utility model has the advantages that the structure is simple, the work efficiency is high, the process time of cone hole is shortened, the process precision and the surface roughness of cone hole are ensured, and the production cost is lowered.

Description

Digit Control Machine Tool boring taper hole device

Technical field

The utility model relates to a kind of Digit Control Machine Tool boring taper hole device, is used for the device of digital-control boring-milling machine boring taper hole.

Background technology

At present, manufacturer is when the machining large taper hole, the following three kinds of modes of general employing: the one, adopt large-scale tapering reamer hinge taper hole mode, it is long that this mode is processed time of taper hole, production efficiency is low, reamer has wearing and tearing will influence the machining accuracy of taper hole slightly, and reamer is disposable, and price is also relatively more expensive; The 2nd, adopt facing head boring taper hole mode, this mode is subject to the price of facing head costliness; The 3rd, adopt the circular arc cutter to mend the processing mode that the feed line approaches with the helix difference, because the taper hole surface of this processing mode processing is to be approached by line to form, every one week of circular interpolation of milling cutter, make that hole precision and surface roughness are difficult to guarantee, the time of taper hole processing simultaneously is long, the production cost height, adopt the circular arc cutter to mend the taper hole of the big footpath of processing mode processing Φ 105.86, path Φ 95 that the feed line approaches, dark 536.4, surface roughness Ra 6.3, tapering 1/50, processed every Kong Yuexu 16 hours with the helix difference.

Summary of the invention

The purpose of this utility model is intended to overcome the shortcoming and defect of existing taper hole processing mode, a kind of Digit Control Machine Tool boring taper hole device is provided, the axial feed that the boring cutter of this device moves radially with main shaft forms adjustable linear ratio relation, realize the boring of taper hole, thereby guaranteed the precision and the surface roughness of taper hole; Improve production efficiency, shortened the processing taper hole time simultaneously, reduced production cost.

Technical solution of the present utility model is achieved in that

A kind of Digit Control Machine Tool boring taper hole device comprises taper-shank arbor, ring gear, planetary gear, master gear and knife bar, it is characterized in that: also comprise master bevel gear, secondary bevel gear, decelerator and pedestal; Taper-shank arbor inserts upper shell and is connected with last cover spline, and ring gear is fixed on the lower house, and planetary gear meshes with ring gear and master gear respectively; During planetary gear is supported on respectively by bearing I I and overlaps and trap, during decelerator is installed in and traps, master gear is packed on the reducer input shaft, on overlap and trap and be supported on respectively in upper shell and the lower house by bearing I, upper shell is fixedlyed connected with lower house, extension bar is fixedlyed connected with trapping, and reducer output shaft is supported in the extension bar by bearing I II, is provided with radially transmission mechanism of boring cutter in the described pedestal.

The boring cutter that is provided with in the described pedestal radially transmission mechanism is that nut by master bevel gear, secondary bevel gear, knife bar, the aft mounted leading screw of knife bar and the setting of secondary bevel gear endoporus constitutes; Master bevel gear is packed in the reducer output shaft end, master bevel gear and the engagement of secondary bevel gear, secondary bevel gear is supported in the pedestal by bearing I V, the leading screw of knife bar afterbody screws in the screw thread of secondary bevel gear endoporus setting, and knife bar is supported in the pedestal by bearing V, and knife bar is provided with cotter way, pedestal is provided with pin-and-hole, knife bar is by the latch radial location, and pedestal is fixedlyed connected with extension bar, and boring cutter is fixed on the knife bar.

The secondary bevel gear end of described pedestal is equipped with bearing (ball) cover.

Described bearing V is a linear bearing.

Compared with prior art, the beneficial effects of the utility model are:

1 boring cutter of the present utility model moves radially with main shaft forms adjustable linear ratio relation for the axial feed of taper-shank arbor, guaranteed that boring cutter moves radially the coupling with axial feed, realized the automatic boring of taper hole, thereby the precision and the surface roughness of taper hole have been guaranteed, shortened the time of processing taper hole simultaneously, use the taper hole of the big footpath of the utility model processing Φ 105.86, path Φ 95, dark 536.4, surface roughness Ra 6.3, tapering 1/50, processed every Kong Yuexu 1 hour, and shortened 15 hours than prior art;

2 the utility model are processed the taper hole of different size easily by the pitch value in the instruction of numerical control screw thread.

3 characteristics of the present utility model are simple in structure, and the production efficiency height has reduced production cost.

Description of drawings

The utility model drawings attached three width of cloth, wherein:

Fig. 1 is a front view of the present utility model;

Fig. 2 is the enlarged drawing of Fig. 1;

Fig. 3 is the enlarged drawing of Fig. 1.

In the drawings: 1, taper-shank arbor, 2, go up cover, 3, trap, 4. reducer output shaft, 5, extension bar, 6, decelerator, 7, lower house, 8, upper shell, 9, ring gear, 10, planetary gear, 11, master gear, 12, master bevel gear, 13, secondary bevel gear, 14, latch, 15, knife bar, 16, bearing (ball) cover, 17, pedestal, 18, bearing I, 19, bearing I I, 20, bearing I II, 21, bearing I V, 22, bearing V, 23, reducer input shaft, 24, boring cutter.

The specific embodiment

As Fig. 1～a kind of Digit Control Machine Tool boring taper hole device shown in Figure 3, comprise taper-shank arbor 1, last cover 2, trap 3, reducer output shaft 4, extension bar 5, decelerator 6, lower house 7, upper shell 8, ring gear 9, planetary gear 10, master gear 11, master bevel gear 12, secondary bevel gear 13, latch 14, knife bar 15, bearing (ball) cover 16, pedestal 17, bearing I 18, bearing I I 19, bearing I II 20, bearing I V 21, bearing V 22, reducer input shaft 23, boring cutter 24, taper-shank arbor 1 inserts upper shell 8 and is connected with last cover 2 endoporus splines, ring gear 9 is by being bolted on the lower house 7, and planetary gear 10 meshes with ring gear 9 and master gear 11 respectively; Planetary gear 10 is supported on cover 2 respectively by bearing I I 19 and traps in 3, decelerator 6 is trapped in 3 by being bolted to, master gear 11 is connected with reducer input shaft 23 keys, and fix by nut, on overlap 2 and trap and 3 be supported on respectively in upper shell 8 and the lower house 7 by bearing I 18, upper shell 8 is connected with lower house 7 bolts, extension bar 5 is connected with 3 bolts of trapping, reducer output shaft 4 is supported in the extension bar 5 by bearing I II 20, and master bevel gear 12 reducer output shafts 4 keys connect also, are fixed by jump ring; Master bevel gear 12 and secondary bevel gear 13 engagements, secondary bevel gear 13 is supported in the pedestal 17 by bearing I V 21, secondary bevel gear 13 ends of pedestal 17 are equipped with bearing (ball) cover 16, bearing (ball) cover 16 is by being bolted on the pedestal 17, knife bar 15 afterbodys are provided with leading screw, secondary bevel gear 13 endoporus are set to nut, the leading screw of knife bar 15 afterbodys screws in the screw thread of secondary bevel gear 13 endoporus setting, knife bar 15 is supported in the pedestal 17 by linear bearing V 22, knife bar 15 is provided with cotter way, and pedestal 17 is provided with pin-and-hole, and knife bar 15 is by latch 14 radial locations, extension bar 5 is by being bolted on the pedestal 17, and boring cutter 24 is by being bolted on the knife bar 15.

Claims

1, a kind of Digit Control Machine Tool boring taper hole device, comprise taper-shank arbor (1), ring gear (9), planetary gear (10), master gear (11) and knife bar (15), it is characterized in that: also comprise master bevel gear (12), secondary bevel gear (13), decelerator (6) and pedestal (17); Taper-shank arbor (1) inserts upper shell (8) and is connected with last cover (2) spline, and ring gear (9) is fixed on the lower house (7), and planetary gear (10) meshes with ring gear (9) and master gear (11) respectively; Planetary gear (10) is supported on respectively in the cover (2) and trap (3) by bearing I I (19), decelerator (6) is installed in trap (3), master gear (11) is packed on the reducer input shaft (23), last cover (2) and trap (3) are supported on respectively in upper shell (8) and the lower house (7) by bearing I (18), upper shell (8) is fixedlyed connected with lower house (7), extension bar (5) is fixedlyed connected with trap (3), reducer output shaft (4) is supported in the extension bar (5) by bearing I II (20), is provided with radially transmission mechanism of boring cutter (24) in the described pedestal (17).

2, Digit Control Machine Tool boring taper hole device according to claim 1, it is characterized in that the boring cutter (24) that is provided with in the described pedestal (17) radially transmission mechanism be to constitute by the nut that master bevel gear (12), secondary bevel gear (13), knife bar (15), the aft mounted leading screw of knife bar (15) and secondary bevel gear (13) endoporus are provided with; Master bevel gear (12) is packed in reducer output shaft (4) end, master bevel gear (12) and secondary bevel gear (13) engagement, secondary bevel gear (13) is supported in the pedestal (17) by bearing I V (21), the leading screw of knife bar (15) afterbody screws in the screw thread of secondary bevel gear (13) endoporus setting, knife bar (15) is supported in the pedestal (17) by bearing V (22), knife bar (15) is provided with cotter way, pedestal (17) is provided with pin-and-hole, knife bar (15) is by latch (14) radial location, pedestal (17) is fixedlyed connected with extension bar (5), and boring cutter (24) is fixed on the knife bar (15).

3, Digit Control Machine Tool boring taper hole device according to claim 2 is characterized in that secondary bevel gear (13) end of described pedestal (17) is equipped with bearing (ball) cover (16).

4, Digit Control Machine Tool boring taper hole device according to claim 2 is characterized in that described bearing V (22) is a linear bearing.