CN104191008A - Chamfering cutter - Google Patents
Chamfering cutter Download PDFInfo
- Publication number
- CN104191008A CN104191008A CN201410371050.0A CN201410371050A CN104191008A CN 104191008 A CN104191008 A CN 104191008A CN 201410371050 A CN201410371050 A CN 201410371050A CN 104191008 A CN104191008 A CN 104191008A
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- CN
- China
- Prior art keywords
- knife
- handle
- cutting portion
- rose reamer
- chamfering
- 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.)
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Abstract
The invention relates to the technical field of machining and in particular relates to a chamfering cutter. The chamfering cutter comprises a cutter body which is made of hard alloy, wherein the cutter body comprises a cutter handle and a cutting part arranged at the end part of the cutter handle; the diameter of the cutter handle is equal to that of the cutting part; a chamfer is formed in the outer rotation surface of the end part of the cutting part; four cutting edges are arranged at the end part of the cutting part; a dextral chip removal groove is formed in the side surface of the cutting part; the total length of the chamfer is 50mm; the diameter of the cutter handle is 12mm. The chamfering cutter is capable of easily machining the chamfers of small stainless steel parts; meanwhile, the chamfers are high in surface smoothness and high in accuracy.
Description
Technical field
The present invention relates to Machining Technology field, relate in particular to rose reamer.
Background technology
Machine-building at present, electronic applications are more and more flourishing, also more and more higher for the requirement on machining accuracy of part; And have many miniature parts to need chamfering at machine-building, electronic applications, as mobile phone key, or button in elevator etc., due to the small volume of this class part own, in chamfer machining process, because rose reamer diameter more easily causes part stress deformation in process, and machining accuracy is lower; Especially in the time that this class miniature parts is stainless steel, because its toughness of stainless steel is large, hardness is low, is adding comparatively difficulty of cutting in man-hour.
Summary of the invention
The object of this invention is to provide a kind of chamfering that is easy to processing stainless steel miniature parts, and chamfer surface smoothness is high, the rose reamer that precision is high.
Technical scheme of the present invention is as follows:
Rose reamer, comprises the cutter hub of carbide alloy; Described cutter hub comprises handle of a knife, and is arranged on the cutting portion of handle of a knife end; Described handle of a knife diameter and cutting portion equal diameters; Outside described cutting portion end, the surface of revolution is provided with chamfering; Described cutting portion end is provided with four cutting edges, and cutting portion side is provided with the chip area of dextrorotation; Described rose reamer overall length is 50mm, and handle of a knife diameter is 12mm.
Described cutting portion end to the length between chamfering end is 0.5mm.Chamfering length is shorter, can process the chamfering of low height, after the chamfer machining of guarantee workpiece low height completes, and the smooth and dimensional accuracy on surface.
Described handle of a knife and cutting portion are formed in one.One-body molded owing to adopting, reduce cutter manufacture process process, improve cutter production efficiency.
Described cutting portion outer surface is provided with three layers of coating, is followed successively by from inside to outside titanium nitride coating, aluminum oxide coating layer, boron nitride coating.Be provided with three layers of coating at cutting portion outer surface, can reduce on the one hand cutting portion wearing and tearing, can also improve on the other hand hardness and the resistance to elevated temperatures of cutting portion; Tool life.
Described chamfering outer surface is provided with diamond coatings.In the time of processing graphite, metal-base composites, silumin and many other high abrasive materials, be not easy wearing and tearing and sticky cutter; Increase the scope of rose reamer milling object.
Described handle of a knife end is provided with cooling fluid inlet hole, and described cooling fluid inlet hole 7 one end are stretched out handle of a knife end and are in communication with the outside, and the other end is positioned at handle of a knife; On the outer surface of revolution of described handle of a knife, be evenly equipped with the first through hole 8 of some connection cooling fluid inlet holes; Described handle of a knife is provided with guider; Described guider comprises the left outside screw thread 9 and the right outside screw thread 10 that are arranged on the outer surface of revolution of handle of a knife; On described left outside screw thread, right outside screw thread, be all arranged with the nut adaptive with it 12; Between described two nuts, be provided with supporting disk 13, in described supporting disk, be provided with second through hole 14 corresponding with the first lead to the hole site; In described the second through hole, all socket joint has " Off " shape pipe 11; Described " Off " shape pipe one end is connected with the first through hole whorl, and the spout of the other end is towards cutting portion direction.Realize cooling in cutting portion working angles, improve the cooling effect of cooling fluid to cutting portion, reduce the wearing and tearing of cutting edge, improve the service life of rose reamer.
The invention has the beneficial effects as follows: rose reamer of the present invention is provided with chamfering on the surface of revolution outside cutting portion end, thereby in the time of milling, workpiece is carried out to chamfering; By be provided with four cutting edges in cutting portion end, so that rose reamer is in the time of chamfering, processing work bottom surface simultaneously; And cutting portion side is provided with the chip area of dextrorotation, the discharge of the metal fillings of being more convenient for; Rose reamer handle of a knife diameter is less, can ensure the smooth of miniature parts chamfering place after milling; Further adopt the cutter hub of carbide alloy to improve the intensity of two sword backpitch milling cutters.
Brief description of the drawings
By the detailed description below in conjunction with accompanying drawing, the present invention is aforesaid will be become apparent with other object, feature and advantage.
Wherein: Fig. 1 is structural representation of the present invention;
Fig. 2 is left view of the present invention;
Fig. 3 is guider structural representation of the present invention;
Fig. 4 is the left outside screw thread of the present invention and right outside screw thread schematic diagram;
In accompanying drawing, 1 is handle of a knife, and 2 is cutting portion, and 3 is chamfering, and 4 is cutting edge, and 5 is chip area, 7 cooling fluid inlet holes, and 8 first through holes, 9 is left outside screw thread, and 10 is right outside screw thread, and 11 is " Off " shape pipe, and 12 is nut, and 13 is supporting disk, and 14 is the second through hole.
Detailed description of the invention
Embodiment 1
Rose reamer shown in Figure 1, comprises the cutter hub of carbide alloy; Described cutter hub comprises handle of a knife 1, and is arranged on the cutting portion 2 of handle of a knife end, and wherein the cutter hub of carbide alloy improves the intensity of two sword backpitch milling cutters, and makes it more wear-resisting, heat-resisting, corrosion-resistant; Described handle of a knife diameter and cutting portion equal diameters; Outside described cutting portion end, the surface of revolution is provided with chamfering 3, in the time of milling, can carry out chamfering to workpiece; Described cutting portion end is provided with four cutting edges 4, so that rose reamer is in the time of chamfering, and processing work bottom surface simultaneously, and between cutting edge, be formed for the groove of chip removal, chip removal when convenient processing bottom surface; The chip area 5 that described cutting portion side is provided with dextrorotation, plays the effect of guiding to metal fillings, be convenient to metal fillings and discharge from the end of cutting portion; Described rose reamer overall length L1 is 50mm, and handle of a knife diameter D1 is 12mm, and rose reamer handle of a knife diameter is less, can ensure the smooth of miniature parts chamfering place after milling.
Embodiment 2
In order to process chamfering less on miniature parts, described cutting portion end to the length L 2 between chamfering end is 0.5mm.Because chamfering length is shorter, after the less chamfer machining of workpiece height is completed, guarantee the smooth and dimensional accuracy of chamfer surface.
Embodiment 3
In order to save the production cost of rose reamer, described handle of a knife and cutting portion are formed in one.One-body molded owing to adopting, reduce cutter manufacture process process, improve cutter production efficiency.
Embodiment 4
Described cutting portion outer surface is provided with three layers of coating, is followed successively by from inside to outside titanium nitride coating, aluminum oxide coating layer, boron nitride coating; Be provided with successively from inside to outside titanium nitride coating, aluminum oxide coating layer, boron nitride coating at cutting portion outer surface, because titanium nitride coating has low coefficient of friction, greasy property is good, can reduce heat in metal cutting and cutting force, can reduce the wearing and tearing of cutting portion, and aluminum oxide coating layer has high temperature abrasion resistance, heat resistance and oxidation resistance, can effectively protect cutting portion because Gao Re is out of shape, further because boron nitride coating hardness is high, resistance to elevated temperatures is good, has further strengthened intensity and the resistance to elevated temperatures of cutting portion; And three layers of coating are set, when after outermost coating abrasion, inner also have two layers of coatings can stop wearing and tearing to be delivered on cutting portion.
Embodiment 5
Described chamfering outer surface is provided with diamond coatings.Because hardness after diamond coatings is set is high, in the time of processing graphite, metal-base composites, silumin and many other high abrasive materials, be not easy wearing and tearing and sticky cutter; Increase the scope of rose reamer milling object.
Embodiment 6
In order to increase rose reamer at the cooling effect that adds cutting portion in man-hour, described handle of a knife end is provided with cooling fluid inlet hole, and described cooling fluid inlet hole 7 one end are stretched out handle of a knife end and are in communication with the outside, and the other end is positioned at handle of a knife; On the outer surface of revolution of described handle of a knife, be evenly equipped with the first through hole 8 of some connection cooling fluid inlet holes; Described handle of a knife is provided with guider; Described guider comprises the left outside screw thread 9 and the right outside screw thread 10 that are arranged on the outer surface of revolution of handle of a knife; On described left outside screw thread, right outside screw thread, be all arranged with the nut adaptive with it 12; Between described two nuts, be provided with supporting disk 13, in described supporting disk, be provided with second through hole 14 corresponding with the first lead to the hole site; In described the second through hole, all socket joint has " Off " shape pipe 11; Described " Off " shape pipe one end is connected with the first through hole whorl, and the spout of the other end is towards cutting portion direction.Because cutting portion end is provided with four cutting edges, easily wearing and tearing in process; And utilize guider to be sprayed to cutting portion by the cooling fluid flowing in cooling fluid inlet hole, realize cooling in cutting portion working angles, improve the cooling effect of cooling fluid to cutting portion, reduce the wearing and tearing of cutting edge, improve the service life (it should be noted that the spout of " Off " shape pipe other end, in cutting portion direction, also needs to aim at the direction of cutting portion) of rose reamer.
The present invention is not limited to described embodiment, and those skilled in the art, not departing from spirit of the present invention openly in scope, still can do some corrections or change, therefore the scope that the scope of the present invention limits with claims is as the criterion.
Claims (6)
1. rose reamer, is characterized in that, comprises the cutter hub of carbide alloy; Described cutter hub comprises handle of a knife, and is arranged on the cutting portion of handle of a knife end; Described handle of a knife diameter and cutting portion equal diameters; Outside described cutting portion end, the surface of revolution is provided with chamfering; Described cutting portion end is provided with four cutting edges, and cutting portion side is provided with the chip area of dextrorotation; Described rose reamer overall length is 50mm, and handle of a knife diameter is 12mm.
2. according to the rose reamer shown in claim 1, it is characterized in that, described cutting portion end to the length between chamfering end is 0.5mm.
3. according to the rose reamer shown in claim 1, it is characterized in that, described handle of a knife and cutting portion are formed in one.
4. according to the rose reamer shown in claim 1, it is characterized in that, described cutting portion outer surface is provided with three layers of coating, is followed successively by from inside to outside titanium nitride coating, aluminum oxide coating layer, boron nitride coating.
5. according to the rose reamer shown in claim 1, it is characterized in that, described chamfering outer surface is provided with diamond coatings.
6. according to the rose reamer shown in claim 1, it is characterized in that, described handle of a knife end is provided with cooling fluid inlet hole, and described cooling fluid inlet hole 7 one end are stretched out handle of a knife end and are in communication with the outside, and the other end is positioned at handle of a knife; On the outer surface of revolution of described handle of a knife, be evenly equipped with the first through hole 8 of some connection cooling fluid inlet holes; Described handle of a knife is provided with guider; Described guider comprises the left outside screw thread 9 and the right outside screw thread 10 that are arranged on the outer surface of revolution of handle of a knife; On described left outside screw thread, right outside screw thread, be all arranged with the nut adaptive with it 12; Between described two nuts, be provided with supporting disk 13, in described supporting disk, be provided with second through hole 14 corresponding with the first lead to the hole site; In described the second through hole, all socket joint has " Off " shape pipe 11; Described " Off " shape pipe one end is connected with the first through hole whorl, and the spout of the other end is towards cutting portion direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371050.0A CN104191008B (en) | 2014-07-30 | 2014-07-30 | Chamfering cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410371050.0A CN104191008B (en) | 2014-07-30 | 2014-07-30 | Chamfering cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191008A true CN104191008A (en) | 2014-12-10 |
| CN104191008B CN104191008B (en) | 2017-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410371050.0A Active CN104191008B (en) | 2014-07-30 | 2014-07-30 | Chamfering cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104191008B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570923A (en) * | 2020-05-27 | 2020-08-25 | 上海钰工机电有限公司 | Chamfering device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812967A (en) * | 2017-11-17 | 2018-03-20 | 中山市园丰精密刃具有限公司 | A kind of rose reamer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004209559A (en) * | 2002-12-27 | 2004-07-29 | Sumitomo Electric Ind Ltd | End mill having back taper |
| JP2005219176A (en) * | 2004-02-09 | 2005-08-18 | Nachi Fujikoshi Corp | End mill |
| CN201565651U (en) * | 2009-11-25 | 2010-09-01 | 厦门金鹭特种合金有限公司 | Chamfering end mill with different bottom edge heights |
| CN203018814U (en) * | 2012-11-16 | 2013-06-26 | 常州华锋精密工具有限公司 | Crude and refined milling cutter with surface coating |
| CN103501940A (en) * | 2011-04-28 | 2014-01-08 | 京瓷株式会社 | Cutting tool |
| CN203649507U (en) * | 2013-10-29 | 2014-06-18 | 常州昊锐工具有限公司 | Detachable chamfering flat-end milling cutter |
| CN204094210U (en) * | 2014-07-30 | 2015-01-14 | 常州创伟工具制造有限公司 | Rose reamer |
-
2014
- 2014-07-30 CN CN201410371050.0A patent/CN104191008B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004209559A (en) * | 2002-12-27 | 2004-07-29 | Sumitomo Electric Ind Ltd | End mill having back taper |
| JP2005219176A (en) * | 2004-02-09 | 2005-08-18 | Nachi Fujikoshi Corp | End mill |
| CN201565651U (en) * | 2009-11-25 | 2010-09-01 | 厦门金鹭特种合金有限公司 | Chamfering end mill with different bottom edge heights |
| CN103501940A (en) * | 2011-04-28 | 2014-01-08 | 京瓷株式会社 | Cutting tool |
| CN203018814U (en) * | 2012-11-16 | 2013-06-26 | 常州华锋精密工具有限公司 | Crude and refined milling cutter with surface coating |
| CN203649507U (en) * | 2013-10-29 | 2014-06-18 | 常州昊锐工具有限公司 | Detachable chamfering flat-end milling cutter |
| CN204094210U (en) * | 2014-07-30 | 2015-01-14 | 常州创伟工具制造有限公司 | Rose reamer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570923A (en) * | 2020-05-27 | 2020-08-25 | 上海钰工机电有限公司 | Chamfering device |
| CN111570923B (en) * | 2020-05-27 | 2021-05-25 | 上海钰工机电有限公司 | Chamfering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191008B (en) | 2017-01-11 |
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