CN203236027U - Device for milling inner counterbore and inner sinking groove of cavity part - Google Patents
Device for milling inner counterbore and inner sinking groove of cavity part Download PDFInfo
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- CN203236027U CN203236027U CN 201320065072 CN201320065072U CN203236027U CN 203236027 U CN203236027 U CN 203236027U CN 201320065072 CN201320065072 CN 201320065072 CN 201320065072 U CN201320065072 U CN 201320065072U CN 203236027 U CN203236027 U CN 203236027U
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- cantilever
- bearing
- cavity part
- counterbore
- bevel gear
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- 238000003801 milling Methods 0.000 title claims abstract description 62
- 238000003754 machining Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
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Abstract
The utility model relates to a device for milling an inner counterbore and an inner sinking groove of a cavity part. The device comprises a cantilever, a milling cutter component, a tool bit cover board and a drive shaft component, wherein a step hole is radially formed in the cantilever; the milling cutter component with a driven bevel gear is arranged inside the radial step hole of the cantilever, and pressed through the tool bit cover board; the tool bit cover board is fastened on the cantilever; the drive shaft component with a drive bevel gear is arranged inside an axial step hole of the cantilever, so that the drive bevel gear is meshed with the driven bevel gear; the drive shaft component is fixed on the cantilever through a bearing pressure ring. The milling device is simple and reasonable in structure; change of a power transmission direction is achieved by meshing of a bevel gear pair; machining of difficultly machined surfaces of the inner counterbore and the inner sinking groove of the cavity part is finished by using a common horizontal milling machine; a convenient and practical machining device is provided for the cavity part with a complicated structure; the machining quality is ensured; the machining efficiency is improved; the machining cost is saved.
Description
Technical field
The utility model relates to the machine tooling field, is specifically related to the interior counterbore of a kind of cavity part of horizontal milling machine processing, the special milling device of inner groove.
Background technology
Fast development along with industrial circles such as Aero-Space, military project, electronics and oil, various baroque integrated, miniaturization components and parts and parts are used more and more widely, so that the internal structure of many cavity parts is more complicated, formed difficult machined surface in many cavitys, counterbore or inner groove are exactly typical difficult machined surface wherein in the cavity part.In order to obtain to have the part of difficult machined surface in the cavity, can only finish by manufacturing process such as hot investment casting, electrochemical corrosion or special purpose machine tool equipment, can't utilize existing plain-milling machine to process interior counterbore or the inner groove of such cavity part, its equipment cost, technical costs and processing cost are all higher, are unfavorable for generally using and promoting.
Summary of the invention
The purpose of this utility model has provided a kind of milling attachment by counterbore, inner groove in the normal horizontal miller process chamber part, the design of employing new structure, by the engagement of bevel gear pair, realize that the power transmission direction changes, thereby finish counterbore in the cavity part, inner groove processing.
For achieving the above object, the technical solution of the utility model is as follows:
Counterbore, inner groove milling attachment comprise cantilever, milling cutter assembly, cutter head cover plate and drive rod assembly in a kind of cavity part, and the cantilever inner radial is shaped with stepped hole; The milling cutter assembly that driven wheel of differential is housed is arranged on the cantilever top end diameter in stepped hole, and the cutter head cover plate is fastened on the cantilever, and the bearing II that compresses milling cutter assembly cutter head one side by the cutter head cover plate again is the milling cutter assembly fixedly; The drive rod assembly that drives bevel gear is housed is arranged on cantilevered axle in stepped hole, make and drive bevel gear and driven wheel of differential engagement, compress bearing IV on the driving shaft middle bench by bearing pressure ring and realize fixing to drive rod assembly, bearing pressure ring is fixed on cantilever near the part of large end.
In technique scheme, described cutter head cover plate by screw fastening on cantilever.
In technique scheme, described bearing pressure ring is threaded connection and is fixed in the cantilever screwed hole.
In technique scheme, described cantilever is outside for Step Shaft, inside are the rotary structure of stepped hole, and its large end and small end all are shaped with symmetrical screw hole seat.
In technique scheme, be shaped with symmetrical screw hole seat on the platform of aperture one side of described stepped hole.
In technique scheme, described milling cutter assembly comprises special milling cutter, driven wheel of differential, key, bearing I and bearing II, special milling cutter shank is the Step Shaft structure with keyway, on the shank Step Shaft driven wheel of differential is installed, the large end of driven wheel of differential connects by key and special milling cutter in cutter head one side; Be close to driven wheel of differential small end end face the bearing I is installed, cutter head one side is equipped with the bearing II.
In technique scheme, described drive rod assembly comprises driving shaft, drives bevel gear, key, bearing III, bearing IV and sleeve, Step Shaft at driving shaft band keyway one end is equipped with the driving bevel gear, drive the large end of bevel gear at drive shaft keyways one end, connect by key and driving shaft, compress by screw axial; Be close to driving bevel gear small end end face at driving shaft the bearing III is housed, at the driving shaft middle bench bearing IV is housed, between two bearings sleeve is housed.
In technique scheme, described cantilever small end is equipped with the end face cover plate by screw.
In technique scheme, realize milling attachment and the fixedly connection of horizontal milling machine tool tip by the uniform screw hole seat of the large end of cantilever with screw.
The milling attachment that the utility model provides, engagement by bevel gear pair, realize that the power transmission direction changes, can utilize normal horizontal miller to finish the processing of the difficult machined surfaces such as counterbore, inner groove in the cavity part, the processing unit (plant) of a kind of convenience, practicality is provided for the cavity part with labyrinth, improve working (machining) efficiency, shortened manufacturing cycle, saved processing cost.
Description of drawings
Fig. 1 is the milling attachment structural representation that provides among the utility model embodiment.
Fig. 2 is the structure chart of the cantilever that provides among the utility model embodiment.
Fig. 3 is the left view of the cantilever that provides among the utility model embodiment.
Fig. 4 is that the A of the cantilever that provides among the utility model embodiment is to view.
Fig. 5 is the structure chart of the milling cutter assembly that provides among the utility model embodiment.
Fig. 6 is the structure chart of the drive rod assembly that provides among the utility model embodiment.
Among the figure: 1 cantilever, 2 bearing pressure rings, 3 drive rod assemblies, 4 milling cutter assemblies, 5 screw I, 6 end face cover plates, 7 cutter head cover plates, 8 lathe hold-down screws, 9 horizontal milling machine tool tip, 10 bearing I, 11 keys, 12 driven wheels of differential, 13 bearing I I, 14 special milling cutters, 15 screw II, 16 pads, 17 drive bevel gear, 18 bearing I II, 19 sleeves, 20 driving shafts, 21 bearing IV.
The specific embodiment
Below in conjunction with drawings and Examples the technical solution of the utility model is described in detail.
As shown in Figure 1, the special milling device of counterbore, inner groove comprises cantilever 1, bearing pressure ring 2, drive rod assembly 3, milling cutter assembly 4, screw I5, end face cover plate 6, cutter head cover plate 7 in the cavity part described in the utility model.
As shown in Figure 2, cantilever 1 is that the outside is the rotary structure of step through-hole for Step Shaft, inside, its large end and small end all are shaped with symmetrical screw hole seat, cantilever 1 inner shaft can be fixed for drive rod assembly 3 to being shaped with, stepped hole and the screwed hole of installation, the cantilever 1 inner stepped hole that can supply milling cutter assembly 4 to fix, install that radially is shaped with near the small end place is shaped with symmetrical screw II hole seat on the platform of aperture one side.
As shown in Figure 5, milling cutter assembly 4 comprises special milling cutter 14, driven wheel of differential 12, key 11 and bearing I 10, special milling cutter 14 shanks are the Step Shaft structure with keyway, at the shank Step Shaft driven wheel of differential 12 is installed, driven wheel of differential 12 is held in cutter head one side greatly, connects with key 11 and special milling cutter 14; Be close to driven wheel of differential 12 small end end faces bearing I is installed, in cutter head one side bearing II is installed; Milling cutter assembly 4 is installed in cantilever 1 radially in the stepped hole, compresses with cutter head cover plate 7, and cutter head cover plate 7 usefulness screw I5 are fastened on the cantilever 1.
As shown in Figure 6, drive rod assembly 3 comprises driving shaft 20, drives bevel gear 17, key 11, screw II15, two bearing I II18 and sleeve 19, be equipped with the Step Shaft of keyway one end at driving shaft 20 and drive bevel gear 17, drive the large end of bevel gear 17 at driving shaft 20 keyways one end, connect with key 11 and driving shaft 20, with screw II15 axial compression; Be close to driving bevel gear 17 small end end faces at driving shaft 20 bearing I II18 is housed, be equipped with between 21, two bearings of bearing IV at the driving shaft middle bench sleeve 19 is housed; By cantilever 1 large end drive rod assembly 3 is installed in the cantilever 1 axial step hole, makes to drive bevel gear 17 and driven wheel of differential 12 engagements, compress drive rod assembly 3 with bearing pressure ring 2, bearing pressure ring 2 is threaded connection and is fixed in cantilever 1 screwed hole.At cantilever 1 small end screw I5 installation end surface cover 6.
During use, the driving shaft 20 that is contained in the cantilever 1 is inserted in the collet of horizontal milling machine tool tip 9, this special milling device and horizontal milling machine tool tip 9 are connected and fixed with lathe hold-down screw 8 by the uniform screw hole seat of the large end of cantilever 1 again, at last with the pull rod shaft of the spindle hole that passes through horizontal milling machine tool tip 9 to spurring collet to step up driving shaft 20.
When horizontal milling machine rotated, power passed to driving bevel gear 17 by the driving shaft of drive rod assembly 3, and the bevel gear pair of process engagement to milling cutter assembly 4, makes transmission of power special milling cutter 14 do gyration and cuts again.
The utility model adopts the new structure design, by the engagement of driven wheel of differential 12 and driving bevel gear 17, realizes that the power transmission direction changes, and makes the processing of labyrinth cavity part convenient, has shortened manufacturing cycle, has reduced processing cost.Be applicable to have the cavity part of interior counterbore, inner groove, this device also can extend to numerical control machining center, finishes the cavity part with other labyrinth.
It should be noted last that, above embodiment is only unrestricted in order to implementer's case that this material is described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. counterbore, inner groove milling attachment in the cavity part, it is characterized in that: comprise cantilever, milling cutter assembly, cutter head cover plate and drive rod assembly, the cantilever inner radial is shaped with stepped hole; The milling cutter assembly that driven wheel of differential is housed is arranged on the cantilever top end diameter in stepped hole, and the cutter head cover plate is fastened on the cantilever, and the bearing I I that compresses milling cutter assembly cutter head one side by the cutter head cover plate again is the milling cutter assembly fixedly; The drive rod assembly that drives bevel gear is housed is arranged on cantilevered axle in stepped hole, make and drive bevel gear and driven wheel of differential engagement, compress bearing I V on the driving shaft middle bench by bearing pressure ring and realize fixing to drive rod assembly, bearing pressure ring is fixed on cantilever near the part of large end.
2. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1 is characterized in that: described cutter head cover plate by screw fastening on cantilever.
3. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1, it is characterized in that: described bearing pressure ring is threaded connection and is fixed in the cantilever screwed hole.
4. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1 is characterized in that: described cantilever be outside for Step Shaft, innerly be the rotary structure of stepped hole, its large end and small end all are shaped with symmetrical screw hole seat.
5. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1 is characterized in that: be shaped with symmetrical screw hole seat on the platform of aperture one side in described radially stepped hole and axial step hole.
6. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1, it is characterized in that: described milling cutter assembly comprises milling cutter, driven wheel of differential, key, bearing I and bearing I I, the milling cutter shank is the Step Shaft structure with keyway, on the shank Step Shaft driven wheel of differential is installed, the large end of driven wheel of differential connects by key and milling cutter in cutter head one side; Be close to driven wheel of differential small end end face bearing I is installed, cutter head one side is equipped with bearing I I.
7. counterbore, inner groove milling attachment in the cavity part as claimed in claim 1, it is characterized in that: described drive rod assembly comprises driving shaft, drives bevel gear, key, bearing I II, bearing I V and sleeve, Step Shaft at driving shaft band keyway one end is equipped with the driving bevel gear, drive the large end of bevel gear at drive shaft keyways one end, connect by key and driving shaft, compress by screw axial; Be close to driving bevel gear small end end face at driving shaft bearing I II is housed, at the driving shaft middle bench bearing I V is housed, between two bearings sleeve is housed.
8. counterbore, inner groove milling attachment in the cavity part as claimed in claim 4, it is characterized in that: described cantilever small end is equipped with the end face cover plate by screw.
9. counterbore, inner groove milling attachment in the cavity part as claimed in claim 7 is characterized in that: realize milling attachment and the fixedly connection of horizontal milling machine tool tip by the uniform screw hole seat of the large end of cantilever with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065072 CN203236027U (en) | 2013-02-04 | 2013-02-04 | Device for milling inner counterbore and inner sinking groove of cavity part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065072 CN203236027U (en) | 2013-02-04 | 2013-02-04 | Device for milling inner counterbore and inner sinking groove of cavity part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203236027U true CN203236027U (en) | 2013-10-16 |
Family
ID=49313360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320065072 Expired - Fee Related CN203236027U (en) | 2013-02-04 | 2013-02-04 | Device for milling inner counterbore and inner sinking groove of cavity part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203236027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121123A (en) * | 2013-02-04 | 2013-05-29 | 中国石油天然气集团公司 | Milling device of inner counter hole and inner counter groove of cavity part |
| CN103586491A (en) * | 2013-11-13 | 2014-02-19 | 南京金鑫传动设备有限公司 | Multifunctional main shaft |
-
2013
- 2013-02-04 CN CN 201320065072 patent/CN203236027U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121123A (en) * | 2013-02-04 | 2013-05-29 | 中国石油天然气集团公司 | Milling device of inner counter hole and inner counter groove of cavity part |
| CN103586491A (en) * | 2013-11-13 | 2014-02-19 | 南京金鑫传动设备有限公司 | Multifunctional main shaft |
| CN103586491B (en) * | 2013-11-13 | 2015-11-04 | 南京金鑫传动设备有限公司 | A kind of Multifunctional main shaft |
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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: 20131016 Termination date: 20220204 |