CN204053052U - A kind of three sword forming cutters - Google Patents
A kind of three sword forming cutters Download PDFInfo
- Publication number
- CN204053052U CN204053052U CN201420560604.7U CN201420560604U CN204053052U CN 204053052 U CN204053052 U CN 204053052U CN 201420560604 U CN201420560604 U CN 201420560604U CN 204053052 U CN204053052 U CN 204053052U
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- Prior art keywords
- cutting edge
- face
- main cutting
- sword
- relief angle
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Abstract
A kind of three sword forming cutters, it comprises integrated knife bar and cutter head, described cutter head is provided with the blade of three annular arrays centered by the central shaft of described knife bar, three described blades include main cutting edge and front cutting edge, described main cutting edge is the curve sword of indent, described curve sword by several radian gradual changes and successively mutually the indent arcuate blade section of inscribe form, described front cutting edge is straight line Zhou Ren, axial one end of described cutter head is connected on described knife bar, the other end forms the fluted disc shape end face of three teeth, one end of described main cutting edge is crossing with described front cutting edge, the other end is crossing with the crown of described fluted disc shape end face, three described blades are formed with chip area each other, the anterior angle of described main cutting edge is zero degree, first relief angle is 13 °-15 °, second relief angle is 20 °-25 °, the major first flank of the main cutting edge of each described blade is provided with lanyard, and damping relief angle is 2 °-4 °.
Description
Technical field
The utility model relates to the cutting tool field of industrial processes, particularly a kind of three swords for the forming cutter to product appearance plastotype.
Background technology
Machine tooling is a kind of operation of being processed stock by cutting tool, lathe is when processing metal section bar, especially electronic product casing is as stainless steel material, when aluminum alloy materials and titanium alloy material, due to the complexity of Cutting Process, with the product casing of universal cutter processing, the several procedure of general needs, each or curved surface that radian larger comparatively large across width by several little curved surfaces even the tangent split of plane process and form, therefore need to use some could machine-shaping cutter, as processed the larger segmental arc of radian, such operation needs often to complete two little segmental arcs by two molding cutters and is connected into a complete segmental arc and has come in process, numerous and diverse and the inefficiency of operation, and precision is not high.Therefore the cutting tool of prior art as above is obvious for the shortcoming that curved face processing exists, and has very much the necessity improved further.
Utility model content
The purpose of this utility model is to provide a kind of three sword forming cutters, its technical problem to be solved is: traditional molding cutter is when machining section bar, directly cannot process the segmental arc face that radian is larger, the little segmental arc face of multiple mutual inscribe can only be processed by some operation much knives, add operation, and may also can exist between some segmental arc faces intersect neatly can wait situation, further increase follow-up surface treatment procedure.
For solving the problems of the technologies described above, the utility model provides a kind of three sword forming cutters, it comprises integrated knife bar and cutter head, described cutter head is provided with the blade of three annular arrays centered by the central shaft of described knife bar, three described blades include main cutting edge and front cutting edge, described main cutting edge is the curve sword of indent, described curve sword by several radian gradual changes and successively mutually the indent arcuate blade section of inscribe form, described front cutting edge is the straight line Zhou Ren with the centerline axis parallel of described knife bar, axial one end of described cutter head is connected on described knife bar, the other end forms the fluted disc shape end face of three teeth, one end of described main cutting edge is crossing with described front cutting edge, the other end is crossing with the crown of described fluted disc shape end face, three described blades are formed with chip area each other, each described chip area is crossing around forming with knife face after the 3rd by the rake face of adjacent two blades respectively.
Be preferable over: the anterior angle of described main cutting edge is zero degree, the first relief angle is 13 °-15 °, the second relief angle is 20 °-25 °; First relief angle of front cutting edge is 13 °-15 °, the second relief angle is 20 °-25 °.
Be preferable over: the major first flank of the main cutting edge of each described blade is provided with lanyard, and damping relief angle is 2 °-4 °.
Be preferable over: the cutting edge circle run-out tolerance value of described main cutting edge is less than 0.005mm.
Be preferable over: described rake face is plane, and described rake face surface finish, the surface roughness of described rake face is no more than 0.2 micron.
Be preferable over: the boundary line after the rake face of two adjacent described blades and the 3rd between knife face forms the bottom land sideline of described chip area, described bottom land sideline is the camber line of indent, one end, described bottom land sideline is crossing with the roller seating space of described fluted disc shape end face, and the described bottom land sideline tangent line of point of intersection crossing with the roller seating space of described fluted disc shape end face and the centerline axis parallel of described knife bar.
Be preferable over: the angle after the rake face of two often adjacent described blades and the 3rd between knife face is 80 °, and the angle after the rake face of two often adjacent described blades and the 3rd between knife face is rounding structure.
Be preferable over: end tooth first relief angle of described fluted disc shape end face is 8 °-12 °, the second relief angle is 18 °-24 °.
Compared with prior art, the beneficial effects of the utility model are:
One, the main cutting edge of inner concave curve shape is adopted can to meet the segmental arc face processing of whole product, thus only need the operation once cutter being completed much knives and just can complete, and the overall segmental arc face surface accuracy that employing one processes cutter is high, there is not the uneven of multiple segmental arc faces split formation, eliminate follow-up finishing step;
The major first flank of two, main cutting edge is provided with lanyard, and then working angles can be made more steady, eliminate shake cutter phenomenon, and lanyard can also strengthen cutting edge strength, and smoothing effect is carried out to Product processing surface;
Three, the trench bottom sideline of the imploded arcs wire of described chip area can effectively guide bits slag to discharge to surrounding, the angle rounding structure of bottom land can ensure that chip removal is smooth and easy do not block bits while add the structural strength of stage property, described rake face polishing is also conducive to smooth and easy chip removal.
Accompanying drawing explanation
Fig. 1 is cutter overall structure schematic diagram of the present utility model.
Fig. 2 is cutter head end face structure schematic diagram of the present utility model.
Fig. 3 is the cross section partial structurtes schematic diagram of main cutting edge of the present utility model.
Detailed description of the invention
Below with reference to accompanying drawing 1 to 3 and preferred embodiment, the one three sword forming cutter that the utility model proposes specifically is illustrated.
The utility model provides a kind of three sword forming cutters, it comprises integrated knife bar 1 and cutter head 2, described cutter head 2 is provided with the blade 3 of three annular arrays centered by the central shaft of described knife bar 1, three described blades 3 include main cutting edge 4 and front cutting edge 5, described main cutting edge 4 is the curve sword of indent, described curve sword by several radian gradual changes and successively mutually the indent arcuate blade section of inscribe form, described front cutting edge 5 is the straight line Zhou Ren with the centerline axis parallel of described knife bar 1, axial one end of described cutter head 2 is connected on described knife bar 1, the other end forms the fluted disc shape end face 6 of three teeth, one end of described main cutting edge 4 is crossing with described front cutting edge 5, the other end is crossing with the crown of described fluted disc shape end face 6, the anterior angle of described main cutting edge 4 is zero degree, first relief angle a is 13 °-15 °, second relief angle b is 20 °-25 °, first relief angle of front cutting edge 5 is 13 °-15 °, the second relief angle is 20 °-25 °, and three described blades 3 are formed with chip area 7 each other, and each described chip area 7 is crossing around forming with knife face 9 after the 3rd by the rake face 8 of adjacent two blades 3 respectively.
Preferred embodiment: the major first flank 41 of the main cutting edge 4 of each described blade 3 is provided with lanyard 42, and damping relief angle c is 2 °-4 °, described lanyard 42, and then working angles can be made more steady, eliminate shake cutter phenomenon, and lanyard 42 can also strengthen the cutting edge strength of described main cutting edge 3, and smoothing effect is carried out to Product processing surface.
Preferred embodiment: the cutting edge circle run-out tolerance value of described main cutting edge 3 is less than 0.005mm, and then can make the better precision of cutting.
Preferred embodiment: described rake face 8 is plane, and described rake face 8 surface finish, the surface roughness of described rake face 8 is no more than 0.2 micron, and the polishing of described rake face 8 is conducive to smooth and easy chip removal.
Preferred embodiment: the boundary line after the rake face 8 of adjacent two described blades 3 and the 3rd between knife face 9 forms the bottom land sideline 71 of described chip area 7, described bottom land sideline 71 is the camber line of indent, one end, described bottom land sideline 71 is crossing with the roller seating space of described fluted disc shape end face 6, and described bottom land sideline 71 tangent line of point of intersection crossing with the roller seating space of described fluted disc shape end face 6 and the centerline axis parallel of described knife bar 1, and then the shoaling gradually of radial direction while chip area 7 is extended axially, radial discharge while the bits slag entering described chip area 7 can being guided vertically.
Preferred embodiment: the angle after the rake face 8 of often adjacent two described blades 3 and the 3rd between knife face 9 is 80 °, and the angle after the rake face 8 of often adjacent two described blades 3 and the 3rd between knife face 9 is rounding structure, rounding structure is utilized to enhance structural strength between described blade 3 and cutter head 2, and bits slag effectively can be prevented to be stuck in discharge process in the bottom land angle of chip area 7, to make chip removal more smooth and easy.
Preferred embodiment: end tooth first relief angle of described fluted disc shape end face 6 is 8 °-12 °, the second relief angle is 18 °-24 °.
Described on comprehensive, the technical solution of the utility model fully effectively can complete above-mentioned utility model object, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and effect and the object of expection can be reached, and embodiment of the present utility model also can convert according to these principles, therefore, the utility model comprise all in claim mention all replacement contents in scope.Any equivalence change done in the utility model claim, within the scope of the claims of all genus this case applications.
Claims (8)
1. a sword forming cutter, it comprises integrated knife bar and cutter head, described cutter head is provided with the blade of three annular arrays centered by the central shaft of described knife bar, three described blades include main cutting edge and front cutting edge, described main cutting edge is the curve sword of indent, described curve sword by several radian gradual changes and successively mutually the indent arcuate blade section of inscribe form, described front cutting edge is the straight line Zhou Ren with the centerline axis parallel of described knife bar, axial one end of described cutter head is connected on described knife bar, the other end forms the fluted disc shape end face of three teeth, one end of described main cutting edge is crossing with described front cutting edge, the other end is crossing with the crown of described fluted disc shape end face, three described blades are formed with chip area each other, each described chip area is crossing around forming with knife face after the 3rd by the rake face of adjacent two blades respectively.
2. a kind of three sword forming cutters as claimed in claim 1, is characterized in that: the anterior angle of described main cutting edge is zero degree, the first relief angle is 13 °-15 °, the second relief angle is 20 °-25 °; First relief angle of front cutting edge is 13 °-15 °, the second relief angle is 20 °-25 °.
3. a kind of three sword forming cutters as claimed in claim 2, it is characterized in that: the major first flank of the main cutting edge of each described blade is provided with lanyard, and damping relief angle are 2 °-4 °.
4. a kind of three sword forming cutters as claimed in claim 3, is characterized in that: the cutting edge circle run-out tolerance value of described main cutting edge is less than 0.005mm.
5. a kind of three sword forming cutters as claimed in claim 4, is characterized in that: described rake face is plane, and described rake face surface finish, the surface roughness of described rake face is no more than 0.2 micron.
6. a kind of three sword forming cutters as claimed in claim 5, it is characterized in that: the boundary line after the rake face of two adjacent described blades and the 3rd between knife face forms the bottom land sideline of described chip area, described bottom land sideline is the camber line of indent, one end, described bottom land sideline is crossing with the roller seating space of described fluted disc shape end face, and the described bottom land sideline tangent line of point of intersection crossing with the roller seating space of described fluted disc shape end face and the centerline axis parallel of described knife bar.
7. a kind of three sword forming cutters as claimed in claim 6, it is characterized in that: the angle after the rake face of two often adjacent described blades and the 3rd between knife face is 80 °, and the angle after the rake face of two often adjacent described blades and the 3rd between knife face is rounding structure.
8. a kind of three sword forming cutters as claimed in claim 7, is characterized in that: end tooth first relief angle of described fluted disc shape end face is 8 °-12 °, the second relief angle is 18 °-24 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560604.7U CN204053052U (en) | 2014-09-28 | 2014-09-28 | A kind of three sword forming cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560604.7U CN204053052U (en) | 2014-09-28 | 2014-09-28 | A kind of three sword forming cutters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053052U true CN204053052U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420560604.7U Expired - Fee Related CN204053052U (en) | 2014-09-28 | 2014-09-28 | A kind of three sword forming cutters |
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| CN (1) | CN204053052U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209565A (en) * | 2014-09-28 | 2014-12-17 | 江西杰浩硬质合金工具有限公司 | Three-edge profile cutter |
| CN107855575A (en) * | 2017-11-20 | 2018-03-30 | 中山市园丰精密刃具有限公司 | A kind of double angle cutting tools of phone housing |
| CN107876848A (en) * | 2017-11-20 | 2018-04-06 | 中山市园丰精密刃具有限公司 | A kind of reducing arc groove milling cutter |
| CN113664233A (en) * | 2021-08-03 | 2021-11-19 | 厦门金鹭特种合金有限公司 | PCD cutter for processing composite material |
-
2014
- 2014-09-28 CN CN201420560604.7U patent/CN204053052U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209565A (en) * | 2014-09-28 | 2014-12-17 | 江西杰浩硬质合金工具有限公司 | Three-edge profile cutter |
| CN104209565B (en) * | 2014-09-28 | 2016-08-31 | 江西杰浩硬质合金工具有限公司 | A kind of three sword forming cutters |
| CN107855575A (en) * | 2017-11-20 | 2018-03-30 | 中山市园丰精密刃具有限公司 | A kind of double angle cutting tools of phone housing |
| CN107876848A (en) * | 2017-11-20 | 2018-04-06 | 中山市园丰精密刃具有限公司 | A kind of reducing arc groove milling cutter |
| CN113664233A (en) * | 2021-08-03 | 2021-11-19 | 厦门金鹭特种合金有限公司 | PCD cutter for processing composite material |
| CN113664233B (en) * | 2021-08-03 | 2022-12-06 | 厦门金鹭特种合金有限公司 | PCD cutter for processing composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three-edge profile cutter Effective date of registration: 20170510 Granted publication date: 20141231 Pledgee: Jing'an branch of China Co truction Bank Corp Pledgor: JIANGXI JIEHAO CARBIDE TOOL CO., LTD. Registration number: 2017360000001 |
|
| 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: 20141231 Termination date: 20190928 |