CN203509146U - Deep-hole drilling tool - Google Patents
Deep-hole drilling tool Download PDFInfo
- Publication number
- CN203509146U CN203509146U CN201320701264.0U CN201320701264U CN203509146U CN 203509146 U CN203509146 U CN 203509146U CN 201320701264 U CN201320701264 U CN 201320701264U CN 203509146 U CN203509146 U CN 203509146U
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- cutting edge
- cutter hub
- drill bit
- line segment
- section
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Abstract
The utility model relates to a drilling tool, in particular to a deep-hole drilling tool. The deep-hole drilling tool comprises a tool body and a drill bit, wherein the tool body is a cylinder with the C-shaped cross section; the drill bit is arranged on one bottom surface of the tool body and comprises a first front tool face 1, a first cutting edge 12, a second front tool face 21, a second cutting edge 22, a second rear tool face 23, a rolling blade 3, a third front tool face 31, a third cutting edge 32 and a third rear tool face 33 which are in sequential connection. The blade part of the drill bit is for three-section cutting, all the sections are reasonably distributed in angle, and broken chips are C-shaped during workpiece cutting, so that chips are better discharged conveniently when the drill bit is used for drilling a deep hole, and the chip breakage effect is favorable during processing of deep holes in materials with hardness of HB140-180 and trademark of DSCM419H.
Description
Technical field
The utility model relates to a kind of drilling tool, relates in particular to a kind of depth drill cutter.
Background technology
Along with the development of Mechanical Processing Industry, the application of novel hard alloy on deep hole drill, makes the level of deep hole machining carry nice and high fast.The BTA of high efficiency, high accuracy characteristic floats hole drill, brill is inhaled in spray and DF drilling system is adopted by many countries.But how to reach the drill bit design of better chip breaking effect, be the technical barrier that need to constantly go solution always.
Utility model content
The deficiency that the utility model exists when the deep hole processing for above-mentioned prior art, provides a kind of drilling tool.It not only can better be arranged and cut, and also can stop the risk of breaking, reduces lathe load.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of depth drill cutter, comprise cutter hub and drill bit, described cutter hub is the cylinder that cross section is " C " type, described drill bit is arranged on a bottom surface of described cutter hub, and described drill bit comprises in turn the major first face 1, the first cutting edge 12, the second rake face 21, the rear knife face 23 of the second cutting edge 22, second that connect, rolls sword 3, the 3rd rake face 31, the 3rd cutting edge the 32, the 3rd rear knife face 33.
Preferably, the opening surface 6 near described the first cutting edge 12 in the opening surface of shaft part of cutter hub of described " C " type opening of take is reference planes, described the first cutting edge 12, described the second rake face 21, described the second cutting edge 22, described the second rear knife face 23, the described sword 3 that rolls, described the 3rd rake face 31, described the 3rd cutting edge 32, the projection of the formed structure of described the 3rd rear knife face 33 in described reference planes forms outline line, described outline line comprises the first Projection Line Segment 41, the second Projection Line Segment 42, the 3rd Projection Line Segment 43, the 4th Projection Line Segment 44, described the first Projection Line Segment 41 becomes 30 degree with described cutter hub cross section, described the second Projection Line Segment 42 becomes 10 degree with described cutter hub cross section, described the 3rd Projection Line Segment 43 becomes 25 degree with described cutter hub cross section, described the 4th Projection Line Segment 44 becomes 75 degree with described cutter hub cross section.
Preferably, described second cutting edge 22 of described drill bit and/or described in roll sword 3 places the through hole 5 perpendicular to the cross section of described cutter hub be set.
Described through hole can be dredged cooling fluid or lubricating fluid in drill bit work, and can to drill bit, carry out dynamically balanced correction by the mode of this duplicate removal.
Bit edge partly becomes three sections of cuttings, and each section of angle distribution is reasonable, and during cutting workpiece, chip breaking becomes C type, and while facilitating drill bit to drill through deep hole, better row cuts, and during workhardness HB140-180 material trademark DSCM419H material deep hole, chip breaking is respond well.
Accompanying drawing explanation
Fig. 1 is the top view of depth drill cutter of the present utility model.
Fig. 2 is the front view of depth drill cutter of the present utility model.
In accompanying drawing 1, the structure list of each label representative is as follows:
1、21、22、23、3、31、32、33
12: the first cutting edges
21: the second rake faces
22: the second cutting edges
23: the second rear knife faces
3: roll sword
31: the three rake faces
32: the three cutting edges
33: the three rear knife faces
In accompanying drawing 2, the structure list of each label representative is as follows:
1: major first face
41: the first Projection Line Segments
42: the second Projection Line Segments
43: the three Projection Line Segments
44: the four Projection Line Segments
5: through hole
6: opening surface.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of depth drill cutter, comprise cutter hub and drill bit, described cutter hub is the cylinder that cross section is " C " type, described drill bit is arranged on a bottom surface of described cutter hub, and described drill bit comprises in turn the major first face 1, the first cutting edge 12, the second rake face 21, the rear knife face 23 of the second cutting edge 22, second that connect, rolls sword 3, the 3rd rake face 31, the 3rd cutting edge the 32, the 3rd rear knife face 33.
Preferably, the opening surface 6 near described the first cutting edge 12 in the opening surface of shaft part of cutter hub of described " C " type opening of take is reference planes, described the first cutting edge 12, described the second rake face 21, described the second cutting edge 22, described the second rear knife face 23, the described sword 3 that rolls, described the 3rd rake face 31, described the 3rd cutting edge 32, the projection of the formed structure of described the 3rd rear knife face 33 in described reference planes forms outline line, described outline line comprises the first Projection Line Segment 41, the second Projection Line Segment 42, the 3rd Projection Line Segment 43, the 4th Projection Line Segment 44, described the first Projection Line Segment 41 becomes 30 degree with described cutter hub cross section, described the second Projection Line Segment 42 becomes 10 degree with described cutter hub cross section, described the 3rd Projection Line Segment 43 becomes 25 degree with described cutter hub cross section, described the 4th Projection Line Segment 44 becomes 75 degree with described cutter hub cross section.
Preferably, described second cutting edge 22 of described drill bit and/or described in roll sword 3 places the through hole 5 perpendicular to the cross section of described cutter hub be set.Described through hole can be dredged cooling fluid or lubricating fluid in drill bit work, and can to drill bit, carry out dynamically balanced correction by the mode of this duplicate removal.
Drill bit provided by the utility model is in work, be divided into described the first cutting edge 12, described the second cutting edge 22, described the 3rd cutting edge 32 and carry out three sections of cuttings, the described sword 3 that rolls is mainly to cutting rear resulting bits via described the first cutting edge 12, the second cutting edge 22, carry out further chip breaking, promote chip breaking to form C type structure.Bit edge partly becomes three sections of cuttings, and each section of angle distribution is reasonable, and during cutting workpiece, chip breaking is C type, and while facilitating drill bit to drill through deep hole, better row cuts, and especially when workhardness HB140-180 material trademark DSCM419H material deep hole, chip breaking is respond well.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a depth drill cutter, comprise cutter hub and drill bit, described cutter hub is the cylinder that cross section is " C " type, described drill bit is arranged on a bottom surface of described cutter hub, and described drill bit comprises in turn the major first face (1), the first cutting edge (12), the second rake face (21), the second cutting edge (22), the second rear knife face (23) that connect, rolls sword (3), the 3rd rake face (31), the 3rd cutting edge (32), the 3rd rear knife face (33).
2. depth drill cutter according to claim 1, it is characterized in that: the opening surface near described the first cutting edge (12) in the opening surface of shaft part of cutter hub of described " C " type opening of take is reference planes, described the first cutting edge (12), described the second rake face (21), described the second cutting edge (22), described the second rear knife face (23), the described sword (3) that rolls, described the 3rd rake face (31), described the 3rd cutting edge (32), the projection of the formed structure of described the 3rd rear knife face (33) in described reference planes forms outline line, described outline line comprises the first Projection Line Segment (41), the second Projection Line Segment (42), the 3rd Projection Line Segment (43), the 4th Projection Line Segment (44), described the first Projection Line Segment (41) becomes 30 degree with described cutter hub cross section, described the second Projection Line Segment (42) becomes 10 degree with described cutter hub cross section, described the 3rd Projection Line Segment (43) becomes 25 degree with described cutter hub cross section, described the 4th Projection Line Segment (44) becomes 75 degree with described cutter hub cross section.
3. depth drill cutter according to claim 1 and 2, is characterized in that: described second cutting edge (22) of described drill bit and/or described in roll sword (3) and locate to arrange the through hole (5) perpendicular to the cross section of described cutter hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701264.0U CN203509146U (en) | 2013-11-07 | 2013-11-07 | Deep-hole drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320701264.0U CN203509146U (en) | 2013-11-07 | 2013-11-07 | Deep-hole drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203509146U true CN203509146U (en) | 2014-04-02 |
Family
ID=50368128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320701264.0U Expired - Fee Related CN203509146U (en) | 2013-11-07 | 2013-11-07 | Deep-hole drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203509146U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964802A (en) * | 2017-05-09 | 2017-07-21 | 山西平阳重工机械有限责任公司 | Small-deep Hole expanding method and its cutter |
| CN108723444A (en) * | 2018-08-07 | 2018-11-02 | 天长市永鑫制冷设备有限公司 | A kind of drilling chip removal tugboat |
| CN108723443A (en) * | 2018-08-07 | 2018-11-02 | 天长市永鑫制冷设备有限公司 | A kind of numerically-controlled machine tool chip breaking tug device |
| CN112262009A (en) * | 2018-06-13 | 2021-01-22 | 博泰克精密钻孔技术有限公司 | Deep hole drill and drilling tool with one or more depressions in cutting surface |
-
2013
- 2013-11-07 CN CN201320701264.0U patent/CN203509146U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964802A (en) * | 2017-05-09 | 2017-07-21 | 山西平阳重工机械有限责任公司 | Small-deep Hole expanding method and its cutter |
| CN112262009A (en) * | 2018-06-13 | 2021-01-22 | 博泰克精密钻孔技术有限公司 | Deep hole drill and drilling tool with one or more depressions in cutting surface |
| CN108723444A (en) * | 2018-08-07 | 2018-11-02 | 天长市永鑫制冷设备有限公司 | A kind of drilling chip removal tugboat |
| CN108723443A (en) * | 2018-08-07 | 2018-11-02 | 天长市永鑫制冷设备有限公司 | A kind of numerically-controlled machine tool chip breaking tug device |
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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: 20140402 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |