CN205074608U - Trilateral sword carbide finish draw blade - Google Patents
Trilateral sword carbide finish draw blade Download PDFInfo
- Publication number
- CN205074608U CN205074608U CN201520873064.2U CN201520873064U CN205074608U CN 205074608 U CN205074608 U CN 205074608U CN 201520873064 U CN201520873064 U CN 201520873064U CN 205074608 U CN205074608 U CN 205074608U
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- CN
- China
- Prior art keywords
- broaching
- main
- rear corner
- finish draw
- corner surface
- 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
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims description 26
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 239000000956 alloy Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to the field of machining, particularly, relate to a trilateral sword carbide finish draw blade, set up during the use on the knife rest, include: broaching portion and supporting part, wherein, broaching portion includes: edged surface, main locating surface after edged surface, second are broached after the main preceding edged surface of broaching, main broaching back edged surface, the first broaching, the intersecting line of edged surface forms the main cutting edge before main broaching back edged surface and the main broaching, the intersecting line of edged surface formed first front cutting edge before first broaching back edged surface was broached with the owner, the intersecting line of edged surface formed the second front cutting edge before second broaching back edged surface was broached with the owner.
Description
Technical field
The utility model relates to field of machining, in particular to a kind of three sword carbide alloy finish draw blades.
Background technology
At modern mechanical manufacture field, Broaching Technology is due to features such as its machining accuracy is high, good stability of the dimension, long service life, be applied to more and more in all trades and professions, but having the material of numerous parts to be difficult-to-machine material, such as ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., use the broaching tool that high speed steel material manufactures, or even the broaching tool that Powder High-speed Steels manufactures, when processing above-mentioned difficult-to-machine material, cutter bit quick abrasion, the cutter bit life-span is short.
Utility model content
The technical problems to be solved in the utility model is that existing cutter bit is easy to wear, blade life is short.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of three sword carbide alloy finish draw blades, be arranged on knife rest, comprise: broaching portion and support portion, wherein, broaching portion comprises: edged surface before main broaching, main broaching rear corner surface, the first broaching rear corner surface, the second broaching rear corner surface, main locating surface, and before main broaching rear corner surface and main broaching, the intersection of edged surface forms main cutting edge; Before first broaching rear corner surface and main broaching, the intersection of edged surface forms the first front cutting edge; Before second broaching rear corner surface and main broaching, the intersection of edged surface forms the second front cutting edge.
Preferably, the intersection of described first broaching rear corner surface and described main broaching rear corner surface is First Transition face, and described First Transition face forms First Transition sword with edged surface is crossing before described main broaching, can improve blade strength, lifting workpieces surface smoothness.
Preferably, described First Transition face is little chamfered edge or small arc surface.
Preferably, the intersection of described second broaching rear corner surface and described main broaching rear corner surface is the second transition face, and described second transition face and edged surface crossing formation second transitional edges before described main broaching, can improve blade strength, lifting workpieces surface smoothness.
Preferably, described second transition face is little chamfered edge or small arc surface.
Preferably, described broaching portion and described support portion are whole hard alloy blade structure, have the features such as hardness is high, thermohardening good, wearability is good.
Preferably, described broaching portion overall width is greater than or less than described support portion overall width, thus makes the overall side of blade can be divided into the first half and the latter half.
Preferably, described support portion wherein side is identified surface, for marking the width model of blade, being convenient for people to identification and taking; Other three sides are supporting surface, are connected respectively with briquetting, locating piece, broaching tool body, play the effect of fixing whole blade.
Preferably, before described main broaching rear corner surface and described main broaching, edged surface angle is the scope of A1, A1 is 90 ~ 135 degree.
Preferably, the angle of the vertical plane of main locating surface and the second broaching rear corner surface is A2, and the angle of the vertical plane of main locating surface and the first broaching rear corner surface is A3, A2, the scope of A3 is 0 ~ 35 degree.Compared with prior art, the beneficial effects of the utility model are as follows:
1. the design of the utility model transitional edges can effectively decrease stress and concentrates, and reduces the wearing and tearing of blade, increases the service life of blade.
2. the utility model design has three cutting edges, can carry out multiaspect wire pulling method to workpiece simultaneously.
3. the utility model adopts carbide chip, can process ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., effectively can reduce broaching tool wearing and tearing, extend broaching tool service life, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the perspective view according to the utility model embodiment;
Fig. 2 is the schematic perspective view of certain angle of tilting according to Fig. 1 of the utility model embodiment;
Fig. 3 is the structural representation of the A1 angle according to the utility model embodiment;
Fig. 4 is the structural representation of A2, A3 angle according to the utility model embodiment.
Wherein: broach rear corner surface, 14-second of edged surface before 1-broaching portion, 2-support portion, 3-main cutting edge, 4-first front cutting edge, 5-second front cutting edge, 6-First Transition sword, 7-second transitional edges, the main broaching of 11-, 12-main broaching rear corner surface, 13-first broaches the vertical plane of positioning supports face below rear corner surface, the main locating surface of 15-, 16-First Transition face, 17-second transition face, 21-identified surface, 22-, 23-side locating surface, the main locating surface of 24-.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the utility model protection.
Unless otherwise defined, technical term used herein or scientific terminology should be in field belonging to the utility model the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in the utility model patent application specification and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different parts.Equally, the similar word such as " " or " " does not represent that quantity limits yet, but represents to there is at least one.
See Fig. 1, Fig. 2, a kind of three sword carbide alloy finish draw blades, are arranged on knife rest, comprise: broaching portion 1 and support portion 2, wherein, broaching portion 1 comprises: edged surface 11, the broaching of main broaching rear corner surface 12, first broaching rear corner surface 13, second rear corner surface 14, main locating surface 15 before main broaching.Blade adopts whole hard alloy structure, broaching portion 1 overall width is greater than support portion 2 overall width, thus make the overall side of blade can be divided into the first half and the latter half, before the main broaching in blade broaching portion 1, edged surface 11 is seal face, the blade back side is main locating surface 15, blade lower surface is the positioning supports face, below 22 of support portion 2, blade upper surface is main broaching rear corner surface 12, before main broaching, edged surface 11 forms main cutting edge 3 with the intersection of main broaching rear corner surface 12, on the right side of blade, lower portion is the side locating surface 23 of support portion 2, on the right side of blade, upper half part is the first broaching rear corner surface 13, before main broaching, edged surface 11 and the first intersection of broaching rear corner surface 13 form the first front cutting edge 4, first broaching rear corner surface 13 is First Transition face 16 with the intersection of main broaching rear corner surface 12, First Transition face 16 is crossing with edged surface 11 before main broaching forms First Transition sword 6, First Transition face 16 is little chamfered edge or small arc surface.On the left of blade, upper half part is the second broaching rear corner surface 14, before main broaching, edged surface 11 and the second intersection of broaching rear corner surface 14 form the second front cutting edge 5, second broaching rear corner surface 14 is the second transition face 17, second transition face 17 and edged surface 11 crossing formation second transitional edges 7 before main broaching with the intersection of main broaching rear corner surface 12.Second transition face 17 is little chamfered edge or small arc surface.When blade cuts workpiece, the smoothing effect that First Transition sword 6 and the second transitional edges 7 pairs of workpiece serve arc transition enhances the intensity of point of a knife simultaneously, plays the effect of protection point of a knife.On the left of blade, lower portion is identified surface 21, and for marking width and the height model of blade, be convenient for people to identification and take, other three sides are supporting surface, are connected respectively with briquetting, locating piece, broaching tool body, play the effect of fixing whole blade.
See Fig. 3, on three sword carbide alloy finish draw blades, before main broaching rear corner surface 12 and the main broaching of blade, edged surface 11 angle is the scope of A1, A1 is 90 ~ 135 degree.
See Fig. 4, the vertical plane 24 of three main locating surfaces of sword carbide alloy finish draw blade and the angle of the second broaching rear corner surface 14 are A2, the vertical plane 24 of three main locating surfaces of sword carbide alloy finish draw blade and the angle of the first broaching rear corner surface 13 are A3, A2, the scope of A3 is 0 ~ 35 degree.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind three sword carbide alloy finish draw blades, be arranged on knife rest, it is characterized in that, comprise: broaching portion (1) and support portion (2), wherein, described broaching portion (1) comprising: edged surface (11) before main broaching, main broaching rear corner surface (12), the first broaching rear corner surface (13), the second broaching rear corner surface (14), main locating surface (15), intersection formation main cutting edge (3) of edged surface (11) before described main broaching rear corner surface (12) and described main broaching; Before described first broaching rear corner surface (13) and described main broaching, the intersection of edged surface (11) forms the first front cutting edge (4); Before described second broaching rear corner surface (14) and described main broaching, the intersection of edged surface (11) forms the second front cutting edge (5).
2. three sword carbide alloy finish draw blades according to claim 1, it is characterized in that, described first broaching rear corner surface (13) is First Transition face (16) with the intersection of described main broaching rear corner surface (12), and described First Transition face (16) is crossing with edged surface (11) before described main broaching forms First Transition sword (6).
3. three sword carbide alloy finish draw blades according to claim 2, it is characterized in that, described First Transition face (16) is little chamfered edge or small arc surface.
4. three sword carbide alloy finish draw blades according to claim 1, it is characterized in that, described second broaching rear corner surface (14) is the second transition face (17) with the intersection of described main broaching rear corner surface (12), described second transition face (17) and edged surface (11) crossing formation second transitional edges (7) before described main broaching.
5. three sword carbide alloy finish draw blades according to claim 4, it is characterized in that, described second transition face (17) is little chamfered edge or small arc surface.
6. three sword carbide alloy finish draw blades according to claim 1, it is characterized in that, described broaching portion (1) and described support portion (2) are whole hard alloy blade structure.
7. three sword carbide alloy finish draw blades according to claim 1, is characterized in that, described broaching portion (1) overall width is greater than or less than described support portion (2) overall width.
8. three sword carbide alloy finish draw blades according to claim 1, is characterized in that, described support portion (2) wherein side are identified surface (21).
9. three sword carbide alloy finish draw blades according to claim 1, is characterized in that, before described main broaching rear corner surface (12) and described main broaching, edged surface (11) angle is the scope of A1, A1 is 90 ~ 135 degree.
10. three sword carbide alloy finish draw blades according to claim 1, it is characterized in that, the angle of the vertical plane (24) of the second broaching rear corner surface (14) and main locating surface is A2, the angle of the vertical plane (24) of the first broaching rear corner surface (13) and main locating surface is A3, A2, the scope of A3 is 0 ~ 35 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873064.2U CN205074608U (en) | 2015-11-04 | 2015-11-04 | Trilateral sword carbide finish draw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520873064.2U CN205074608U (en) | 2015-11-04 | 2015-11-04 | Trilateral sword carbide finish draw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205074608U true CN205074608U (en) | 2016-03-09 |
Family
ID=55427047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520873064.2U Expired - Fee Related CN205074608U (en) | 2015-11-04 | 2015-11-04 | Trilateral sword carbide finish draw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205074608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215467A (en) * | 2015-11-04 | 2016-01-06 | 恒锋工具股份有限公司 | A kind of three sword carbide alloy finish draw blades |
-
2015
- 2015-11-04 CN CN201520873064.2U patent/CN205074608U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215467A (en) * | 2015-11-04 | 2016-01-06 | 恒锋工具股份有限公司 | A kind of three sword carbide alloy finish draw blades |
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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 |
Granted publication date: 20160309 |