CN203679452U - Integrated-type coarse/precision processing hob - Google Patents
Integrated-type coarse/precision processing hob Download PDFInfo
- Publication number
- CN203679452U CN203679452U CN201320889411.1U CN201320889411U CN203679452U CN 203679452 U CN203679452 U CN 203679452U CN 201320889411 U CN201320889411 U CN 201320889411U CN 203679452 U CN203679452 U CN 203679452U
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- China
- Prior art keywords
- tooth
- hobboing cutter
- fine finishining
- hob
- mould
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- Expired - Lifetime
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- 238000009966 trimming Methods 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The utility model discloses an integrated-type coarse precision processing hob. The hob comprises a hob plummer block outer circle, and is characterized in the multiple groups of coarse processing hob dies equal in sizes are arranged on the front end of the hob plummer block outer circle; multiple groups of precision processing hob dies equal in sizes are arranged on the back end of the hob plummer block outer circle; tooth shapes of the coarse processing hob dies are standard tooth shapes; tooth shapes of the precision processing hob dies are trimming tooth shapes; and each of the tooth shapes comprises a tooth bottom and a tooth top. The hob simultaneously comprises a coarse cutting part and a precision cutting part, so processing efficiency of the hob is greatly increased; the coarse cutting part is responsible for removing the rest in fastest processing speed, and there is no need to worry the last tooth shapes of the workpiece; the precision processing part does not need to cut the large rest but is mainly responsible for removing the deformation quantity level of the workpiece and improving the precision of a gear; and the trimming tooth shapes are added on the tooth shapes of the precision processing part, so engagement performance of the finished gear is improved, and quality of the product and a speed reducer is improved.
Description
Technical field
The utility model belongs to machining tool field, is specifically related to a kind of thick fine finishining integral type hobboing cutter for form of gear tooth processing.
Background technology
Now in Gear Processing Roll-turning tool, being all generally that employing is same removes hobboing cutter to process a gear, no matter be roughing or fine finishining, unification is all the finishing tool of use, like this, finishing tool easily weares and teares, and certain hour just needs sharpening again, efficiency is not high, and cost is also corresponding very high.And common gear hob considers tool wear, all there is no the function of profile modification.Along with to the improving constantly of product quality, single gear rolls process tool and can not meet the demands.
Utility model content
The purpose of this utility model is to provide a kind of roughing and fine finishining is attached on a hobboing cutter, can ensure the efficiency of workpiece, the thick fine finishining integral type hobboing cutter in the life-span of cutter to greatest extent again, first piece is responsible for out slightly, and fine finishining part is responsible for the correction to profile of tooth.
For realizing above-mentioned utility model object, the utility model has adopted following technical scheme:
A kind of thick fine finishining integral type hobboing cutter, comprise hobboing cutter pillow block cylindrical, it is characterized in that, described hobboing cutter pillow block cylindrical front end is provided with the roughing hobboing cutter mould of some groups of equal sizes, described hobboing cutter pillow block cylindrical rear end is provided with the fine finishining hobboing cutter mould of some groups of equal sizes, the profile of tooth of described roughing hobboing cutter mould is standard tooth form, and the profile of tooth of described fine finishining hobboing cutter mould is finishing profile of tooth, at the bottom of described profile of tooth comprises tooth and tooth top.
As one of preferred version, at the bottom of the tooth of described standard tooth form, it is 20 ° with inclined-plane and the vertical direction angle of the connecting portion of tooth top.
As one of preferred version, at the bottom of the tooth of described finishing profile of tooth, comprise connecting portion and lower finishing portion with the connecting portion of tooth top, described upper connecting portion and vertical direction angle are 20 °, the angle of described lower finishing portion and vertical direction is 21.5～22.5 °; The vertical vector height of described lower finishing portion is finishing height, and its horizontal vector length is trim amount.
As one of preferred version, on the cylindrical of described fine finishining hobboing cutter mould, equalization is provided with several cutters tooth, between adjacent cutter tooth, is provided with chip pocket, and the left side of described cutter tooth is the back of tooth, its right side is cutting edge, and the horizontal direction of the upper end of described cutting edge and the angle of tangential direction are hobboing cutter relief angle.
As one of preferred version, the centre of described roughing hobboing cutter mould and fine finishining hobboing cutter mould is equipped with inner via hole, and described inner via hole is provided with keyway.
As one of preferred version, described fine finishining hobboing cutter mould is 6 groups, and described roughing hobboing cutter mould is 11 groups.
Beneficial effect:
Thick fine finishining integral type hobboing cutter described in the utility model has rough lumber on a hobboing cutter simultaneously and essence is cut part, improve greatly the working (machining) efficiency of hobboing cutter, rough lumber part is responsible for removing surplus, needn't worry with the fastest process velocity the profile of tooth that workpiece is last: fine finishining part does not need to cut large surplus, the main precision of being responsible for the distortion magnitude raising gear of removing workpiece, in the profile of tooth of fine finishining part, added finishing profile of tooth simultaneously, improve the finished product meshing performance of gear, improve the quality of product and reductor.
Brief description of the drawings
Fig. 1 is the structural representation of the thick fine finishining integral type of the utility model hobboing cutter;
Fig. 2 is the partial enlarged drawing of the standard tooth form of A position roughing hobboing cutter mould in Fig. 1;
Fig. 3 is the partial enlarged drawing of the finishing profile of tooth of B position fine finishining hobboing cutter mould in Fig. 1;
Fig. 4 is the transverse cross-sectional view of hobboing cutter mould.
Wherein, 1, hobboing cutter pillow block cylindrical; 2, roughing hobboing cutter mould; 3, fine finishining hobboing cutter mould; 4, at the bottom of tooth; 5, tooth top; 6, rake face; 7, the back of tooth; 8, cutting edge; 9, chip pocket; 10, hobboing cutter relief angle; 11, inner via hole; 12, keyway; 13, the connecting portion of standard tooth form, 14, finishing profile of tooth upper connecting portion; 15, the lower finishing portion of finishing profile of tooth
Detailed description of the invention
Below in conjunction with accompanying drawing and a preferred embodiment, the technical solution of the utility model is further described.
Embodiment:
As shown in Figure 1 to 4: the thick fine finishining integral type of the one hobboing cutter that the present embodiment discloses, comprise hobboing cutter pillow block cylindrical 1, described hobboing cutter pillow block cylindrical 1 front end is provided with the roughing hobboing cutter mould 2 of some groups of equal sizes, described hobboing cutter pillow block cylindrical 1 rear end is provided with the fine finishining hobboing cutter mould 3 of some groups of equal sizes, the profile of tooth of described roughing hobboing cutter mould 2 is standard tooth form, the profile of tooth of described fine finishining hobboing cutter mould 3 is finishing profile of tooth, and described profile of tooth comprises at the bottom of tooth 4 and tooth top 5.
As shown in Figure 2: as one of preferred version, at the bottom of the tooth of described standard tooth form 4 with inclined-plane and the vertical direction angle of the connecting portion 13 of tooth top 5 be 20 °.
As shown in Figure 3: as one of preferred version, at the bottom of the tooth of described finishing profile of tooth, 4 comprise connecting portion 14 and lower finishing portion 15 with the connecting portion of tooth top 5, described upper connecting portion 14 is 20 ° with vertical direction angle, and the angle of described lower finishing portion 15 and vertical direction is 22 °; The vertical vector height of described lower finishing portion 15 is finishing height, and its horizontal vector length is trim amount, according to applying working condition capable of regulating finishing height and the trim amount of gear.
As one of preferred version, on the cylindrical of described fine finishining hobboing cutter mould 3, equalization is provided with several cutters tooth, between adjacent cutter tooth, be provided with chip pocket 9, the left side of described cutter tooth is the back of tooth 7, its right side is cutting edge 8, and the horizontal direction of the upper end of described cutting edge 8 and the angle of tangential direction are hobboing cutter relief angle 10.
As one of preferred version, the centre of described roughing hobboing cutter mould 2 and fine finishining hobboing cutter mould 3 is equipped with inner via hole 11, and described inner via hole 11 is provided with keyway 12.
As one of preferred version, described fine finishining hobboing cutter mould 2 is 6 groups, and described roughing hobboing cutter mould 3 is 11 groups.
The purposes of the rake face 6 of fine finishining hobboing cutter mould 2 is for relief grinding face after gear wear, the tooth top of finishing profile of tooth is for the gear back side, hobboing cutter relief angle 10 is given the certain relief grinding amount of hobboing cutter, and relief grinding amount determines by the angle of hobboing cutter relief angle 10, and cutting edge 8 is mainly used to the profile of tooth of cutting pinion.
It is to be noted; as described above is only in order to explain the preferred embodiment of the utility model; not attempt is done any formal restriction to the utility model according to this; be with; all any modification or changes that has the relevant the utility model of doing under identical utility model spirit, all must be included in the category of the utility model intention protection.
Claims (6)
1. a thick fine finishining integral type hobboing cutter, comprise hobboing cutter pillow block cylindrical, it is characterized in that, described hobboing cutter pillow block cylindrical front end is provided with the roughing hobboing cutter mould of some groups of equal sizes, described hobboing cutter pillow block cylindrical rear end is provided with the fine finishining hobboing cutter mould of some groups of equal sizes, the profile of tooth of described roughing hobboing cutter mould is standard tooth form, and the profile of tooth of described fine finishining hobboing cutter mould is finishing profile of tooth, at the bottom of described profile of tooth comprises tooth and tooth top.
2. thick fine finishining integral type hobboing cutter according to claim 1, is characterized in that, at the bottom of the tooth of described standard tooth form, is 20 ° with inclined-plane and the vertical direction angle of the connecting portion of tooth top.
3. thick fine finishining integral type hobboing cutter according to claim 1, it is characterized in that, at the bottom of the tooth of described finishing profile of tooth, comprise connecting portion and lower finishing portion with the connecting portion of tooth top, described upper connecting portion and vertical direction angle are 20 °, and the angle of described lower finishing portion and vertical direction is 21.5～22.5 °; The vertical vector height of described lower finishing portion is finishing height, and its horizontal vector length is trim amount.
4. thick fine finishining integral type hobboing cutter according to claim 1, it is characterized in that, on the cylindrical of described fine finishining hobboing cutter mould, equalization is provided with several cutters tooth, between adjacent cutter tooth, be provided with chip pocket, the left side of described cutter tooth is the back of tooth, its right side is cutting edge, and the horizontal direction of the upper end of described cutting edge and the angle of tangential direction are hobboing cutter relief angle.
5. thick fine finishining integral type hobboing cutter according to claim 1, is characterized in that, the centre of described roughing hobboing cutter mould and fine finishining hobboing cutter mould is equipped with inner via hole, and described inner via hole is provided with keyway.
6. thick fine finishining integral type hobboing cutter according to claim 1, is characterized in that, described fine finishining hobboing cutter mould is 6 groups, and described roughing hobboing cutter mould is 11 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889411.1U CN203679452U (en) | 2013-12-31 | 2013-12-31 | Integrated-type coarse/precision processing hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889411.1U CN203679452U (en) | 2013-12-31 | 2013-12-31 | Integrated-type coarse/precision processing hob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679452U true CN203679452U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889411.1U Expired - Lifetime CN203679452U (en) | 2013-12-31 | 2013-12-31 | Integrated-type coarse/precision processing hob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706889A (en) * | 2013-12-31 | 2014-04-09 | 苏州亚太金属有限公司 | Rough and finish machining integrated hobbing cutter |
-
2013
- 2013-12-31 CN CN201320889411.1U patent/CN203679452U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706889A (en) * | 2013-12-31 | 2014-04-09 | 苏州亚太金属有限公司 | Rough and finish machining integrated hobbing cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 Huangqiao Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 Huangqiao Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |