CN208341930U - A kind of carbide skiving gear hob - Google Patents
A kind of carbide skiving gear hob Download PDFInfo
- Publication number
- CN208341930U CN208341930U CN201820664205.3U CN201820664205U CN208341930U CN 208341930 U CN208341930 U CN 208341930U CN 201820664205 U CN201820664205 U CN 201820664205U CN 208341930 U CN208341930 U CN 208341930U
- Authority
- CN
- China
- Prior art keywords
- cutter
- carbide
- cutter shaft
- chip pocket
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of carbide skiving gear hobs, including cutter shaft, axis hole is provided at the center of the cutter shaft, keyway is provided on the inner wall of axis hole, the lateral surface of cutter shaft is provided with cutter tooth, cutter tooth designs for negative rake and anterior angle is -5 °, the lateral surface of cutter shaft is additionally provided with chip pocket, chip pocket is between two neighboring cutter tooth, this carbide skiving gear hob realizes the purpose that traditional gear-grinding process is substituted using Technology for Scraping, gear grinding machines are substituted using gear-hobbing machine, reduce production cost, cutter tooth is designed using negative rake, effectively improve the finish of finished surface, and increase the service life of hobboing cutter, hobboing cutter uses hard alloy for making material, surface hardness is up to HRC65 °, it ensure that shaving effect effect, also it can satisfy to do and highly necessary ask, while cooling liquid cools down hobboing cutter by oil duct The clast chipped away will be scraped to sweep away, in order to avoid clast, which is attached to, forms the case where accumulating, also avoiding fugitive dust in chip pocket, improve processing environment.
Description
Technical field
The utility model relates to be machined to use cutting-tool engineering field, specially a kind of carbide skiving gear hob.
Background technique
It is higher to gear permissible accuracy along with each enterprise with mechanical industrial expansion, especially hot back-geared mistake
Poor problem, corrects hot backgear error frequently with gear-grinding process at present, since gear-grinding process needs preferable grinding machine bed, and
Corresponding matching tooling such as grinding wheel, Buddha's warrior attendant hobboing cutter etc., manufacturing cost is comparable high, and general enterprises are hung back, using hard
Matter alloy cutting hob can substitute gear-grinding process (below modulus 3), due to hobboing cutter substitute roll flute and gear-hobbing machine than gear grinding machines at
This is lower, can bring higher income for enterprise, reduce the production cost of enterprise.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of carbide skiving gear hob,
Traditional gear-grinding process is substituted using Technology for Scraping, substitutes gear grinding machines using gear-hobbing machine, reduces production cost, cutter tooth is using negative
Anterior angle design, effectively improves the finish of finished surface, and increase the service life of hobboing cutter, and hobboing cutter uses hard alloy for system
Make material, surface hardness ensure that shaving effect effect up to HRC65 °, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of carbide skiving gear hob, including knife
Axis is provided with axis hole at the center of the cutter shaft, keyway is provided on the inner wall of axis hole, and the lateral surface of cutter shaft is provided with cutter tooth,
Cutter tooth designs for negative rake and anterior angle is -5 °, and the quantity of cutter tooth in the same plane is 8, and the lateral surface of cutter shaft is additionally provided with
Chip pocket, for chip pocket between two neighboring cutter tooth, the quantity of chip pocket is 8.
As a kind of optimal technical scheme of the utility model, the quantity of the keyway is three, and three keyways are around cutter shaft
Central axes angularly array.
As a kind of optimal technical scheme of the utility model, the upper surface of the cutter shaft is provided with lead channel, lead channel
It is connected to by the way that the oil duct inside cutter shaft is arranged in fluid hole, the slot bottom of chip pocket is arranged in fluid hole.
As a kind of optimal technical scheme of the utility model, position of the fluid hole in every chip pocket is and knife
The tooth root of tooth is in same level.
As a kind of optimal technical scheme of the utility model, strainer is provided in the fluid hole.
As a kind of optimal technical scheme of the utility model, the cutter tooth uses hard alloy for making material.
It is scraped compared with prior art, the utility model has the beneficial effects that this carbide skiving gear hob realizes to use
The purpose that technique substitutes traditional gear-grinding process is cut, substitutes gear grinding machines using gear-hobbing machine, reduces production cost, cutter tooth is using negative
Anterior angle design, effectively improves the finish of finished surface, and increase the service life of hobboing cutter, and hobboing cutter uses hard alloy for system
Make material, surface hardness ensure that shaving effect effect up to HRC65 °, also can satisfy to do and highly necessary ask, meets and require instantly
Environmentally protective concept, cooling liquid will scrape the clast chipped away while cooling by oil duct to hobboing cutter and sweeps away, in order to avoid
Clast is attached in chip pocket the case where forming accumulation, also avoiding fugitive dust, improves processing environment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section structural schematic diagram.
In figure: 1 cutter shaft, 2 axis holes, 3 keyways, 4 cutters tooth, 5 chip pockets, 6 fluid holes, 7 lead channel, 8 oil ducts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of carbide skiving gear hob, including cutter shaft
1, axis hole 2 is provided at the center of cutter shaft 1, keyway 3 is provided on the inner wall of axis hole 2, and the quantity of keyway 3 is three, three keys
For slot 3 around the central axes of cutter shaft 1 angularly array, angularly the three of array keyway 3 is able to achieve dynamic equilibrium, avoids additional torque
Influence to machining accuracy, the lateral surface of cutter shaft 1 are provided with cutter tooth 4, and cutter tooth 4 designs for negative rake and anterior angle is -5 °, effectively mentions
The finish of high finished surface, and the service life of hobboing cutter is increased, cutter tooth 4 uses hard alloy for making material, and surface is hard
Degree ensure that shaving effect effect up to HRC65 °, also can satisfy to do and highly necessary ask, the quantity of cutter tooth 4 in the same plane is 8
A, the lateral surface of cutter shaft 1 is additionally provided with chip pocket 5, and for chip pocket 5 between two neighboring cutter tooth 4, the quantity of chip pocket 5 is 8
A, the upper surface of cutter shaft 1 is provided with lead channel 7, and lead channel 7 passes through the oil duct 8 being arranged in inside cutter shaft 1 and is connected to fluid hole 6,
The slot bottom of chip pocket 5 is arranged in fluid hole 6, strainer is provided in fluid hole 6, strainer, which can prevent clast from entering fluid hole 6, to be caused
Blocking, fluid hole 6 are in same level with the tooth root of cutter tooth 4 in the position in every chip pocket 5, and the hobboing cutter is using vertical
Formula processing, when needing cooling cutter tooth 4, coolant liquid is added in lead channel 7, under the action of gravity and centrifugal force, coolant liquid
Body will be scraped the clast chipped away while cooling from the outflow of fluid hole 6 to serrated knife 4 by oil duct 8 and be swept away, in case clast is attached
Accumulation is formed in chip pocket 5, the case where also avoiding fugitive dust, improve processing environment.
When in use: angularly three keyways 3 of array are able to achieve dynamic equilibrium, avoid additional torque to machining accuracy
It influences, cutter tooth 4 designs for negative rake and anterior angle is -5 °, effectively improves the finish of finished surface, and increase the use of hobboing cutter
Service life, cutter tooth 4 use hard alloy for making material, and surface hardness ensure that shaving effect effect up to HRC65 °, can also be with
Meet to do and highly necessary ask, which uses vertical processing, and when needing cooling cutter tooth 4, coolant liquid is added in lead channel 7, in weight
Under the action of power and centrifugal force, by scraping while cooling liquid cools down serrated knife 4 from the outflow of fluid hole 6 by oil duct 8
The clast to get off is swept away, in order to avoid clast, which is attached in chip pocket 5, forms accumulation, strainer, which can prevent clast from entering fluid hole 6, to be caused
The case where blocking, also avoiding fugitive dust, improves processing environment.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. kind of carbide skiving gear hob, including cutter shaft (1), it is characterised in that: be provided with axis hole at the center of the cutter shaft (1)
(2), it is provided with keyway (3) on the inner wall of axis hole (2), the lateral surface of cutter shaft (1) is provided with cutter tooth (4), and cutter tooth (4) is negative rake
Design and anterior angle are -5 °, and the quantity of cutter tooth (4) in the same plane is 8, and the lateral surface of cutter shaft (1) is additionally provided with chip pocket
(5), for chip pocket (5) between two neighboring cutter tooth (4), the quantity of chip pocket (5) is 8.
2. a kind of carbide skiving gear hob according to claim 1, it is characterised in that: the quantity of the keyway (3) is
Three, three keyways (3) are around the central axes of cutter shaft (1) angularly array.
3. a kind of carbide skiving gear hob according to claim 1, it is characterised in that: the upper surface of the cutter shaft (1)
It is provided with lead channel (7), lead channel (7) is connected in the internal oil duct (8) of cutter shaft (1) with fluid hole (6) by setting, fluid hole
(6) slot bottom in chip pocket (5) is set.
4. a kind of carbide skiving gear hob according to claim 3, it is characterised in that: the fluid hole (6) is at every
Position in chip pocket (5) is in same level with the tooth root of cutter tooth (4).
5. a kind of carbide skiving gear hob according to claim 3, it is characterised in that: setting in the fluid hole (6)
There is strainer.
6. a kind of carbide skiving gear hob according to claim 3, it is characterised in that: the cutter tooth (4) uses hard
Alloy is making material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664205.3U CN208341930U (en) | 2018-05-07 | 2018-05-07 | A kind of carbide skiving gear hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664205.3U CN208341930U (en) | 2018-05-07 | 2018-05-07 | A kind of carbide skiving gear hob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341930U true CN208341930U (en) | 2019-01-08 |
Family
ID=64888386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820664205.3U Expired - Fee Related CN208341930U (en) | 2018-05-07 | 2018-05-07 | A kind of carbide skiving gear hob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208341930U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922447A (en) * | 2020-07-28 | 2020-11-13 | 哈尔滨理工大学 | Hobbing cutter is scraped in gear finish machining |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN112593954A (en) * | 2020-12-18 | 2021-04-02 | 武汉大学 | High-abrasiveness hard rock stratum TBM hob ring cooling and wear monitoring integrated system |
-
2018
- 2018-05-07 CN CN201820664205.3U patent/CN208341930U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922447A (en) * | 2020-07-28 | 2020-11-13 | 哈尔滨理工大学 | Hobbing cutter is scraped in gear finish machining |
| CN112548231A (en) * | 2020-12-01 | 2021-03-26 | 浙江上优刀具有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN112548231B (en) * | 2020-12-01 | 2022-04-29 | 南京迈森智能装备有限公司 | Self-cooled hob capable of preventing cuttings from remaining |
| CN112593954A (en) * | 2020-12-18 | 2021-04-02 | 武汉大学 | High-abrasiveness hard rock stratum TBM hob ring cooling and wear monitoring integrated system |
| CN112593954B (en) * | 2020-12-18 | 2022-07-15 | 武汉大学 | High-abrasiveness hard rock stratum TBM hob ring cooling and wear monitoring integrated system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |