CN105945350B - Broaching tool with bionics structure - Google Patents
Broaching tool with bionics structure Download PDFInfo
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- CN105945350B CN105945350B CN201610571306.1A CN201610571306A CN105945350B CN 105945350 B CN105945350 B CN 105945350B CN 201610571306 A CN201610571306 A CN 201610571306A CN 105945350 B CN105945350 B CN 105945350B
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- cutter tooth
- pit
- broaching tool
- top surface
- tooth top
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D43/00—Broaching tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses the broaching tool with bionics structure.The surface of Non-smooth surface form has more preferable anti-wear performance, but under bad working environments or when working long hours, the lubricating fluid with impurity can not be discharged effectively in pit, lubrication and bearing capacity after accumulation is caused to weaken significantly, and the report of so far there are no correlative study and application of the Surface Texture in terms of broaching lathe broaching tool.The cutter tooth surface of the present invention opens up some pits, the depth capacity of the pit value between 0.01~1mm；Pit uses bionics trench structure.The present invention carries out texturing processing on the surface of broaching tool, stores lubricant, reduces the contact area with sawing bits, improves the cutting ability with saw；Pit is obliquely installed so that lubricating fluid has the trend being thrown out of when broaching tool cutter tooth is broached at a high speed, so as to provide supporting force for broaching tool；Pit gradient possessed by itself simultaneously so that the lubricating fluid in pit can be changed and supplemented in time, improved the lubricant effect of broaching tool, extended service life.
Description
Technical field
The invention belongs to broaching lathe engineering device technique field, is related to broaching machine broaching tool, more particularly to a kind of new based on imitative
The raw broaching machine broaching tool learned, there is special trench structure.
Background technology
With the development of Modern Manufacturing Industry, broaching lathe is as equipment needed for the basis of machining manufacture, it has also become
The features such as important integral link in part process, because its cutting speed is fast, machining accuracy is high, and material loss is few, by
To being widely applied, but at present there are various problems in numerous domestic broaching machines, such as broaching tool heating is serious, cutter tooth intensity
Low, the blade rate of wear is fast, is always an important factor for influenceing its high-endization.
At the same time, the development that tribology is advanced by leaps and bounds, many experts and scholars have found two to contact with each other
Surface is not more smooth more wear-resisting, but the surface (texture surface i.e. with certain titanium miniplate) with certain Non-smooth surface form
There is more preferable anti-wear performance on the contrary.The pit or indenture of Surface Texture can play a part of reservoir, make friction in time
Secondary surface forms lubricating film, reduces the friction and wear of friction pair.When two surface of friction pair setting in motions, relative motion speed is produced
When spending, the lubricating fluid of pit or indenture memory storage can be adhered to surface of friction pair, and lubrication is quickly formed under the drive on surface
Film, the formation time of lubricating film is shortened, so as to play a part of wear-resistant drag reduction.Surface Texture is improving the tribology of friction pair
Aspect of performance serves positive effect, improves friction and the load-carrying properties on surface.Surface Texture technology bullet train noise reduction,
Mechanical part is wear-resistant, tool wear prediction, internal combustion engine lubrication, biomedical material are wear-resisting etc. is widely used,
Achieve larger society and economic benefit.But under bad working environments or when working long hours, the lubricating fluid of impurity is carried in pit
It can not effectively discharge, cause lubrication and bearing capacity after accumulation to weaken significantly, and so far there are no Surface Texture is drawn in broaching lathe
The report of correlative study and application in terms of knife.
The content of the invention
The purpose of the present invention is to be directed to cutter in high-speed machining process easily because machinery, thermal wear and rapid failure are asked
Topic, a kind of broaching tool with bionics structure is proposed, the shape characteristic of organism surface is used for reference, based on bionics principle in broaching tool
Surface carries out texturing processing, stores lubricant, the contact area of broaching tool chip is reduced, to improve the cutting ability of broaching tool.Together
When this trench structure due to the gradient possessed by itself so that the lubricating fluid in pit can obtain changing in time and supplement, greatly
The big lubricant effect for improving broaching tool, extends its service life.
The concrete scheme of the present invention is as follows：
The cutter tooth surface of the present invention opens up some pits, the depth capacity of the pit value between 0.01~1mm；It is recessed
The arrangement mode in hole uses one kind in following arrangement mode：
1) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in positive six side in the plane of parallel broaching tool cutter tooth top surface
Shape；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, pit bottom and cutter tooth
Intersecting surface minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
2) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is rounded in the plane of parallel broaching tool cutter tooth top surface；It is recessed
It with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction to cheat bottom, and during k ≠ 0, pit bottom and cutting for cutter tooth are handed over
Face minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
3) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and assumed diamond in shape in the plane of parallel broaching tool cutter tooth top surface；It is recessed
The bottom in hole is equal with the angle of broaching tool cutter tooth top surface and in 1~5 ° along the straightway of broaching tool cutter tooth longitudinal direction, two sides
Value；Area of the pit on cutter tooth top surface is 1~12mm2。
4) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is triangular in shape in the plane of parallel broaching tool cutter tooth top surface；
The triangle of adjacent pit is towards conversely；Pit bottom is 0~5 ° in the angle k along broaching tool broaching direction with cutter tooth top surface；k
When ≠ 0, the intersecting surface minimum-depth of pit bottom and cutter tooth is 0, and the incline direction of adjacent pit is opposite；Pit is on cutter tooth top
Area on face is 1~12mm2。
5) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in cross in the plane of parallel broaching tool cutter tooth top surface；
Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, and during k ≠ 0, pit bottom and cutter tooth are cut
Cross surface minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
6) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and the semicircular in shape in the plane of parallel broaching tool cutter tooth top surface；
The semicircle direction of adjacent pit is opposite；The bottom of pit is along the straightway of broaching tool cutter tooth longitudinal direction, two sides and broaching tool cutter tooth
The angle of top surface it is equal and in 1~5 ° value；Area of the pit on cutter tooth top surface is 1~12mm2。
7) laterally equidistant arrangement of the pit along broaching tool cutter tooth, and be in fold-line-shaped in the plane of parallel broaching tool cutter tooth top surface；
Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, and during k ≠ 0, pit bottom and cutter tooth are cut
Cross surface minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
8) pit is the longitudinally disposed two groove group along broaching tool cutter tooth；Each groove of groove group is along broaching tool cutter tooth
The equidistant arrangement in longitudinal direction, and the parallelogram in the plane of parallel broaching tool cutter tooth top surface；The parallelogram of two groove groups
Groove is towards on the contrary, the groove connection of two groove groups most inner side；The both ends open of groove is in cutter tooth side；Bottom portion of groove is on edge
Angle k on broaching tool broaching direction with cutter tooth top surface is 0~5 °；During k ≠ 0, the intersecting surface minimum-depth of bottom portion of groove and cutter tooth
For 0, two groove group incline directions of two groove groups are opposite；In addition to two groove groups most groove of inner side connection, remaining is recessed
Area equation of the groove on cutter tooth top surface and in 1~12mm2Middle value.
9) longitudinal direction of the pit along broaching tool cutter tooth is divided to two rows to arrange, and in tilting in the plane of parallel broaching tool cutter tooth top surface
Cross；Each pit is from row's adjacent pit and different arranging adjacent pit and connecting to form staggeredly netted；Two row's pits
Bottom in, in 0~5 ° the value equal with the angle k of cutter tooth top surface along broaching tool broaching direction, k ≠ 0, pit bottom with
The intersecting surface of cutter tooth depth at cutter tooth lateral surface is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
10) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth；Pit includes four disconnected grooves, and four grooves are flat
In two rugby shapes and two and half rugby shapes sectioned along cross section in the plane of row broaching tool cutter tooth top surface；Two and half olives
Spherical centering is arranged at two rugby shape spacing, and towards opposite；Bottom portion of groove along broaching tool broaching direction along with cutter tooth
The angle k of top surface is 0~5 °；During k ≠ 0, the intersecting surface minimum-depth of two rugby shape bottom portion of groove and cutter tooth is 0, two
The intersecting surface of half rugby shape bottom portion of groove and cutter tooth depth at cutter tooth lateral surface is 0；Two and half rugby shape grooves exist
Area equation on cutter tooth top surface and in 1~6mm2Middle value.
11) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is rectangular in the plane of parallel broaching tool cutter tooth top surface；It is recessed
The both ends open in hole is in cutter tooth side；Pit bottom is 0~5 ° in the angle k along broaching tool broaching direction with cutter tooth top surface, k ≠
When 0, the intersecting surface minimum-depth of pit bottom and cutter tooth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
The present invention has the following advantages that compared with prior art：
The present invention does not increase any part, and the performance of broaching tool is improved only by structure design.The present invention has simultaneously
Simple in construction, dependable performance, it is cost-effective the advantages that.The present invention can also be directed to different operating requirement, from different units body
Form, size, the non-smooth surface of the regularity of distribution, so as to obtain excellent performance.Lubricating fluid causes broaching tool cutter tooth into pit
Lubricating film is formed between workpiece；Pit be obliquely installed so that broaching tool cutter tooth at a high speed broach when lubricating fluid have the trend being thrown out of,
So as to provide supporting force for broaching tool；After the completion of broaching, lubricating fluid is thrown out of, and to be subsequently implanted into new lubricating fluid, avoids lubricating
Performance reduces；The two sides incline direction of pit is on the contrary, ensure lubricating fluid equal energy of the broaching tool at different broaching directions in pit
Effectively thrown away.
Brief description of the drawings
Fig. 1 is the working state schematic representation of the present invention；
Fig. 2 is the single cutter tooth stereogram of the present invention；
Fig. 3 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is regular hexagon；
Fig. 4 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is circular；
Fig. 5 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is rhombus；
Fig. 6 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is triangle；
Fig. 7 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is cross；
Fig. 8 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is semicircle；
Fig. 9 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is fold-line-shaped；
Figure 10 is three-view diagram of the groove of the invention opened up when cutter tooth top surface is parallelogram；
Figure 11 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is tilting cross；
Figure 12 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is four disconnected grooves；
Figure 13 is three-view diagram of the pit of the invention opened up when cutter tooth top surface is rectangle.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, there is the broaching tool of bionics structure, some pits are opened up on the cutter tooth surface of broaching tool, form imitative
Give birth to and learn structural form, depth 0.05mm at pit depth capacity.In Fig. 1, in coordinate system O-XYZ, broaching tool is broached in the direction of the arrow
Workpiece 1, nozzle 5 is arranged on the rear end of workpiece 1 and to workpiece spray foam 3, so as to form lubrication between cutter tooth 2 and chip 4.
The arrangement mode of pit uses one kind in following arrangement mode：
Embodiment 1
As shown in figure 3, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
Regular hexagon；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, pit bottom with
The intersecting surface minimum-depth of cutter tooth was 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface)；K=0 (i.e. pit bottoms in the present embodiment
Portion is parallel with cutter tooth top surface, and pit bottom depth is equal everywhere).Area of the pit on cutter tooth top surface is 3mm2。
Embodiment 2
As shown in figure 4, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
It is circular；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, pit bottom and cutter tooth
Intersecting surface minimum-depth be 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface)；K=0 in the present embodiment (i.e. pit bottom with
Cutter tooth top surface is parallel, and pit bottom depth is equal everywhere).Area of the pit on cutter tooth top surface is 3mm2。
Embodiment 3
As shown in figure 5, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
Rhombus；The bottom of pit is equal with the angle of broaching tool cutter tooth top surface and 1 along the straightway of broaching tool cutter tooth longitudinal direction, two sides
Value in~5 °, value is 3 ° in the present embodiment.Area of the pit on cutter tooth top surface is 3mm2.Lubricating fluid causes into pit
Lubricating film is formed between broaching tool cutter tooth and workpiece；The side of pit is obliquely installed so that there is lubricating fluid when broaching tool cutter tooth is broached at a high speed
The trend being thrown out of, so as to provide supporting force for broaching tool；After the completion of broaching, lubricating fluid is thrown out of, to be subsequently implanted into new profit
Synovia, greasy property is avoided to reduce；The two sides incline direction of pit is on the contrary, ensure broaching tool at different broaching directions in pit
Lubricating fluid can effectively be thrown away.
Embodiment 4
As shown in Figure 6；The equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
Triangle；The triangle of adjacent pit is towards conversely；Pit bottom is being with the angle k of cutter tooth top surface along broaching tool broaching direction
0~5 °；During k ≠ 0, pit bottom was 0 (i.e. intersecting surface and cutter tooth top surface intersects setting) with the intersecting surface minimum-depth of cutter tooth,
And the incline direction of adjacent pit is opposite；(i.e. pit bottom is parallel with cutter tooth top surface, pit bottom depth by k=0 in the present embodiment
It is equal everywhere).Area of the pit on cutter tooth top surface is 3mm2。
Embodiment 5
As shown in fig. 7, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
Cross；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, pit bottom and knife
The intersecting surface minimum-depth of tooth was 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface)；K=0 (i.e. pit bottoms in the present embodiment
Parallel with cutter tooth top surface, pit bottom depth is equal everywhere).Area of the pit on cutter tooth top surface is 3mm2。
Embodiment 6
As shown in figure 8, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
It is semicircle；The semicircle direction of adjacent pit is opposite；The bottom of pit is that two sides are with drawing along the straightway of broaching tool cutter tooth longitudinal direction
The angle of knife cutter tooth top surface it is equal and in 1~5 ° value, value is 3 ° in the present embodiment.Face of the pit on cutter tooth top surface
Product is 3mm2。
Embodiment 7
As shown in figure 9, laterally equidistant arrangement of the pit along broaching tool cutter tooth, and be in the plane of parallel broaching tool cutter tooth top surface
Fold-line-shaped；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, pit bottom and knife
The intersecting surface minimum-depth of tooth was 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface)；K=0 (i.e. pit bottoms in the present embodiment
Parallel with cutter tooth top surface, pit bottom depth is equal everywhere).Area of the pit on cutter tooth top surface is 3mm2。
Embodiment 8
As shown in Figure 10, pit is the longitudinally disposed two groove group along broaching tool cutter tooth；Each groove edge of groove group
The equidistant arrangement in longitudinal direction of broaching tool cutter tooth, and the parallelogram in the plane of parallel broaching tool cutter tooth top surface；Two groove groups
Parallelogram groove is towards on the contrary, the groove connection of two groove groups most inner side；The both ends open of groove is in cutter tooth side；It is recessed
Trench bottom is 0~5 ° in the angle k along broaching tool broaching direction with cutter tooth top surface；During k ≠ 0, bottom portion of groove and cutting for cutter tooth are handed over
Face minimum-depth was 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface), two groove group incline direction phases of two groove groups
Instead；K=0 in the present embodiment (i.e. bottom portion of groove is parallel with cutter tooth top surface, and bottom portion of groove depth is equal everywhere).Except two groove groups
Most outside the groove of inner side connection, area of remaining groove on cutter tooth top surface is 3mm2。
Embodiment 9
As shown in figure 11, longitudinal direction of the pit along broaching tool cutter tooth is divided to two rows to arrange, and in the plane of parallel broaching tool cutter tooth top surface
Upper is in tilting cross；Each pit is from row's adjacent pit and different arranging adjacent pit and connecting to form staggeredly netted；
The bottom of two row's pits in, in 0~5 ° the value equal with the angle k of cutter tooth top surface along broaching tool broaching direction, k ≠ 0,
The depth at cutter tooth lateral surface was 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface) to pit bottom with the intersecting surface of cutter tooth；
K=0 in the present embodiment (i.e. pit bottom is parallel with cutter tooth top surface, and pit bottom depth is equal everywhere).Pit is in cutter tooth top surface
On area be 3mm2。
Embodiment 10
As shown in figure 12, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth；Pit includes four disconnected grooves, four
Groove is in the plane of parallel broaching tool cutter tooth top surface in two rugby shapes and two and half rugby shapes sectioned along cross section；Two
Individual half rugby shape centering is arranged at two rugby shape spacing, and towards opposite；Bottom portion of groove along broaching tool broach direction
Upper and cutter tooth top surface angle k is 0~5 °；During k ≠ 0, the intersecting surface minimum-depth of two rugby shape bottom portion of groove and cutter tooth
For 0 (i.e. the intersecting surface intersects setting with cutter tooth top surface), the intersecting surface of two and half rugby shape bottom portion of groove and cutter tooth is close to knife
Depth is 0 at tooth lateral surface；(i.e. bottom portion of groove is parallel with cutter tooth top surface, bottom portion of groove depth phase everywhere by k=0 in the present embodiment
Deng).Area of the two and half rugby shape grooves on cutter tooth top surface is 3mm2。
Embodiment 11
As shown in figure 13, the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and in the plane of parallel broaching tool cutter tooth top surface
It is rectangular；The both ends open of pit is in cutter tooth side；Pit bottom is being with the angle k of cutter tooth top surface along broaching tool broaching direction
0~5 °, during k ≠ 0, pit bottom was 0 (i.e. intersecting surface and cutter tooth top surface intersects setting) with the intersecting surface minimum-depth of cutter tooth；
K=0 in the present embodiment (i.e. pit bottom is parallel with cutter tooth top surface, and pit bottom depth is equal everywhere).Pit is in cutter tooth top surface
On area be 3mm2。
Claims (1)
1. the broaching tool with bionics structure, it is characterised in that：Cutter tooth surface opens up some pits, the depth capacity of the pit
The value between 0.01~1mm；The arrangement mode of pit uses one kind in following arrangement mode：
1) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in regular hexagon in the plane of parallel broaching tool cutter tooth top surface；It is recessed
It with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction to cheat bottom, and during k ≠ 0, pit bottom and cutting for cutter tooth are handed over
Face minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2；
2) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is rounded in the plane of parallel broaching tool cutter tooth top surface；Pit bottom
Portion with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, and during k ≠ 0, the intersecting surface of pit bottom and cutter tooth is most
Small depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2；
3) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and assumed diamond in shape in the plane of parallel broaching tool cutter tooth top surface；Pit
Bottom be along broaching tool cutter tooth longitudinal direction straightway, two sides it is equal with the angle of broaching tool cutter tooth top surface and in 1~5 ° value；
Area of the pit on cutter tooth top surface is 1~12mm2；
4) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is triangular in shape in the plane of parallel broaching tool cutter tooth top surface；It is adjacent
The triangle of pit is towards conversely；Pit bottom is 0~5 ° in the angle k along broaching tool broaching direction with cutter tooth top surface；k≠0
When, the intersecting surface minimum-depth of pit bottom and cutter tooth is 0, and the incline direction of adjacent pit is opposite；Pit is in cutter tooth top surface
On area be 1~12mm2；
5) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and be in cross in the plane of parallel broaching tool cutter tooth top surface；Pit
Bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, the intersecting surface of pit bottom and cutter tooth
Minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2；
6) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and the semicircular in shape in the plane of parallel broaching tool cutter tooth top surface；It is adjacent
The semicircle direction of pit is opposite；The bottom of pit is along the straightway of broaching tool cutter tooth longitudinal direction, two sides and broaching tool cutter tooth top surface
Angle it is equal and in 1~5 ° value；Area of the pit on cutter tooth top surface is 1~12mm2；
7) laterally equidistant arrangement of the pit along broaching tool cutter tooth, and be in fold-line-shaped in the plane of parallel broaching tool cutter tooth top surface；Pit
Bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0, the intersecting surface of pit bottom and cutter tooth
Minimum-depth is 0；Area of the pit on cutter tooth top surface is 1~12mm2；
8) pit is the longitudinally disposed two groove group along broaching tool cutter tooth；Longitudinal direction of each groove of groove group along broaching tool cutter tooth
Equidistant arrangement, and the parallelogram in the plane of parallel broaching tool cutter tooth top surface；The parallelogram groove of two groove groups
Towards on the contrary, the groove connection of two groove groups most inner side；The both ends open of groove is in cutter tooth side；Bottom portion of groove is along broaching tool
It is 0~5 ° to broach on direction with the angle k of cutter tooth top surface；During k ≠ 0, the intersecting surface minimum-depth of bottom portion of groove and cutter tooth is 0,
Two groove group incline directions of two groove groups are opposite；In addition to two groove groups most groove of inner side connection, remaining groove exists
Area equation on cutter tooth top surface and in 1~12mm2Middle value；
9) longitudinal direction of the pit along broaching tool cutter tooth is divided to two rows to arrange, and is in tilting cross in the plane of parallel broaching tool cutter tooth top surface
Shape；Each pit is from row's adjacent pit and different arranging adjacent pit and connecting to form staggeredly netted；The bottom of two row's pits
In, in 0~5 ° the value equal with the angle k of cutter tooth top surface along broaching tool broaching direction, k ≠ 0, pit bottom and cutter tooth
Intersecting surface at cutter tooth lateral surface depth be 0；Area of the pit on cutter tooth top surface is 1~12mm2；
10) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth；Pit includes four disconnected grooves, and four grooves are in parallel drawing
In two rugby shapes and two and half rugby shapes sectioned along cross section in the plane of knife cutter tooth top surface；Two and half rugby shapes
Centering is arranged at two rugby shape spacing, and towards opposite；Bottom portion of groove along broaching tool broaching direction along with cutter tooth top surface
Angle k be 0~5 °；During k ≠ 0, the intersecting surface minimum-depth of two rugby shape bottom portion of groove and cutter tooth is 0, two and half olives
The intersecting surface of rugby ball shape bottom portion of groove and cutter tooth depth at cutter tooth lateral surface is 0；Two and half rugby shape grooves are in cutter tooth
Area equation on top surface and in 1~6mm2Middle value；
11) the equidistant arrangement in longitudinal direction of the pit along broaching tool cutter tooth, and it is rectangular in the plane of parallel broaching tool cutter tooth top surface；Pit
Both ends open is in cutter tooth side；Pit bottom with the angle k of cutter tooth top surface is being 0~5 ° along broaching tool broaching direction, during k ≠ 0,
The intersecting surface minimum-depth of pit bottom and cutter tooth is 0；Area of the pit on cutter tooth top surface is 1~12mm2。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610571306.1A CN105945350B (en) | 2016-07-15 | 2016-07-15 | Broaching tool with bionics structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610571306.1A CN105945350B (en) | 2016-07-15 | 2016-07-15 | Broaching tool with bionics structure |
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| CN105945350A CN105945350A (en) | 2016-09-21 |
| CN105945350B true CN105945350B (en) | 2017-11-17 |
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| CN106363232B (en) * | 2016-11-11 | 2018-02-16 | 杭州电子科技大学 | Knife face has the texture broaching tool and preparation method of imitative shell surface pattern after a kind of |
| CN110102819B (en) * | 2019-04-29 | 2020-04-07 | 杭州电子科技大学 | Molossi beetle fin surface-imitated micro-structure key slot broach and preparation method thereof |
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| SU837628A1 (en) * | 1978-03-27 | 1981-06-15 | Ростовский-На-Дону Научно-Исследова-Тельский Институт Технологии Машино-Строения | Screw broaching tool |
| RU2047429C1 (en) * | 1992-05-19 | 1995-11-10 | Иван Васильевич Гаев | Broach for machining grooves |
| US6527484B2 (en) * | 2000-07-21 | 2003-03-04 | Nachi-Fujikoshi Corp. | Helical tooth broach |
| JP2005059172A (en) * | 2003-08-18 | 2005-03-10 | Nachi Fujikoshi Corp | Broaching method and assembly type inner surface broaching tool |
| CN201211577Y (en) * | 2008-07-10 | 2009-03-25 | 四川天虎工具有限责任公司 | Combined round hole broach |
| CN103418834A (en) * | 2012-05-22 | 2013-12-04 | 扬州市邮谊工具制造有限公司 | Hexagonal broaching tool |
| CN205927331U (en) * | 2016-07-15 | 2017-02-08 | 杭州电子科技大学 | Broach with bionics structure |
-
2016
- 2016-07-15 CN CN201610571306.1A patent/CN105945350B/en not_active Expired - Fee Related
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| CN105945350A (en) | 2016-09-21 |
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