CN203738091U - Auger bit with annular blades - Google Patents
Auger bit with annular blades Download PDFInfo
- Publication number
- CN203738091U CN203738091U CN201320888947.1U CN201320888947U CN203738091U CN 203738091 U CN203738091 U CN 203738091U CN 201320888947 U CN201320888947 U CN 201320888947U CN 203738091 U CN203738091 U CN 203738091U
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- China
- Prior art keywords
- ring
- head
- land
- type
- neck
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- Expired - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 230000004323 axial length Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model relates to the technical field of tools, in particular to an auger bit with annular blades for deep hole processing. The auger bit comprises a head, a neck and a handle, which are arranged on a coaxial cylinder, the diameter of the head is d1, the diameter of the neck is d2 and the diameter of the handle is d3. The head and the neck are provided with a helical chip removal groove and a cutter back forming a solid portion of the chip removal groove, a main cutting blade is arranged on an end face of the chip removal groove, a blade in the length d1 is axially arranged on the head, and a first annular blade is arranged on the cutter back at the axial length d1 of the head, and the handle is clamped on a transmission machine. Therefore, the auger bit is integrally made of hard alloy, by additionally arranging the first annular blade and a second annular blade, guiding function can be realized, stability of the auger bit during drilling can be improved, and friction of the auger bit and the hole wall can be reduced.
Description
Technical field
The utility model relates to the technical field of cutter, is specifically related to a kind of ring-type cutting-edge twist drill for deep hole machining, is particularly suitable for high speed deep hole machining to the less demanding occasion of hole location.
Background technology
Carbide drill occupies more and more consequence in deep hole machining.At present, common hard alloy deep hole drill often adopts four land designs.In order to improve the stability of drill bit in deep hole machining.But because four lands designs have also increased the friction of drill bit and hole wall, increase on the one hand the risk of breaking, also can increase on the other hand margin of drill wearing and tearing, reduced the reconditioning number of times of drill bit.Although traditional four cutting-edge twist drills are to be provided with land at the intersection of the knife back and chip area and knife back central authorities, still there are the problems referred to above.
Utility model content
The purpose of this utility model is the ring-type cutting-edge twist drill of the friction that a kind of effective minimizing drill bit and hole wall are provided.
For realizing above object or other objects, the utility model provides following technical scheme:
A kind of ring-type cutting-edge twist drill, comprises the head, neck and the shank that are positioned at coaxial clyinder, and wherein the diameter of head is d
1, the diameter of neck is d
2and the diameter of shank is d
3, on head and neck, arranging in addition that spiral helicine row cuts groove and the knife back of groove entity part is cut by the row of formation, the end face of cutting groove row arranges main cutting edge, is positioned at that on the axial direction of head, length to be set be d
1land, and be positioned at the axial length d of head
1on place's knife back, the first ring-type land is set, shank is held on transmission lathe.
Preferably, be positioned at the axial length 2d of head
1on place's knife back, the second ring-type land is set.
Preferably, the thickness proportion that row cuts groove and the knife back is 1:1.
Preferably, d
1=d
2﹤ d
3.
Further, the width of ring-type land is 0.04d
1～0.06d
1.
Further, the cross section of ring-type land is trapezoidal.
The utility model beneficial effect compared with prior art: ring-type cutting-edge twist drill described in the utility model is to adopt the manufacture of whole hard alloy material; By the first ring-type land and the second ring-type land are set, guide effect can be played in addition, the stability of drill bit in boring procedure and the friction of minimizing drill bit and hole wall can be improved again.
Brief description of the drawings
Fig. 1 is the structural representation of the ring-type cutting-edge twist drill described in the present embodiment 1.
Fig. 2 is A-A profile in Fig. 1.
Fig. 3 is the structural representation of the main cutting edge described in the present embodiment 1.
Fig. 4 is P place enlarged drawing in Fig. 1.
Fig. 5 is B-B part sectioned view in Fig. 4.
Fig. 6 is Q place enlarged drawing in Fig. 1.
Fig. 7 is the structural representation of ring-type cutting-edge twist drill described in the present embodiment 2.
Reference numeral comprises:
1-head, 2-neck, 21-row cuts groove, the 22-knife back, 3-shank, 4-land, 5-the first ring-type land, 6-main cutting edge, 7-the second ring-type land.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1:
Shown in Fig. 6, the present embodiment provides a kind of ring-type cutting-edge twist drill, adopts the manufacture of whole hard alloy material, for example: select the high tenacity trade mark material ranges of choice such as K30～K40.Comprise the head 1, neck 2 and the shank 3 that are positioned at coaxial clyinder, wherein the diameter of head 1 is d
1, the diameter of neck 2 is d
2and the diameter of shank 3 is d
3, the pass between this three is d in the present embodiment
1=d
2﹤ d
3.On head 1 and neck 2, arrange in addition that spiral helicine row cuts groove 21 and the knife back 22 of groove entity part is cut by the row of formation, the end face of cutting groove 21 row arranges main cutting edge 6, is positioned at that on the axial direction of head 1, length to be set be d
1land 4, and be positioned at the axial length d of head 1
1place arranges the first ring-type land 5 on the knife back 22, and shank 3 is held on transmission lathe, makes this bit and possesses cutting power.The effect of the first ring-type land 5 is mainly in order to lead, and improves the stability of drill bit in boring procedure, and reduces the friction of drill bit and hole wall.
In the present embodiment, for the Design and manufacture of giving land 4 and the first ring-type land 5 provides adequate space, the thickness proportion that row cuts groove 21 and the knife back 22 is 1:1.Wherein the width of land 4 and the first ring-type land 5 is 0.04d
1, for example head diameter is d
1during for 10mm, land 4 and the first ring-type land 5 width are about 0.4mm.In addition as shown in Figure 5, the cross section of the first ring-type land 5 is trapezoidal, to avoid cutting workpiece.In the present embodiment, the first ring-type land 5 is identical with aperture, contributes to the raising of circularity and the surface quality in processed hole.
Embodiment 2:
Shown in Fig. 7, the present embodiment provides a kind of ring-type cutting-edge twist drill, adopts the manufacture of whole hard alloy material, for example: select the high tenacity trade mark material ranges of choice such as K30～K40.Comprise the head 1, neck 2 and the shank 3 that are positioned at coaxial clyinder, wherein the diameter of head 1 is d
1, the diameter of neck 2 is d
2and the diameter of shank 3 is d
3, the pass between this three is d in the present embodiment
1=d
2﹤ d
3.On head 1 and neck 2, arrange in addition that spiral helicine row cuts groove 21 and the knife back 22 of groove entity part is cut by the row of formation, the end face of cutting groove 21 row arranges main cutting edge 6, is positioned at that on the axial direction of head 1, length to be set be d
1land 4, and be positioned at the axial length d of head 1
1place arranges the first ring-type land 5 on the knife back 22, and shank 3 is held on transmission lathe, makes this bit and possesses cutting power.The effect of the first ring-type land 5 is mainly in order to lead, and improves the stability of drill bit in boring procedure, and reduces the friction of drill bit and hole wall.
In the present embodiment, be positioned at the axial length 2d of head 1
1on place's knife back 22, the second ring-type land 7 is set.For the Design and manufacture of giving land provides adequate space, the thickness proportion that row cuts groove 21 and the knife back 22 is 1:1.Wherein the width of the first ring-type land 5 and the second ring-type land 7 is 0.06d
1, for example: when head diameter is 10mm, the width of land 4, the first ring-type land 5 and the second ring-type land 7 is about 0.6mm.In addition, the cross section of the first ring-type land 5 and the second ring-type land 7 is trapezoidal, to avoid cutting workpiece.In the present embodiment, the first ring-type land 5 is all identical with aperture with the second ring-type land 7, contributes to the raising of circularity and the surface quality in processed hole.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (6)
1. a ring-type cutting-edge twist drill, comprises the head (1), neck (2) and the shank (3) that are positioned at coaxial clyinder, and wherein the diameter of head (1) is d
1, the diameter of neck (2) is d
2and the diameter of shank (3) is d
3it is characterized in that, on head (1) and neck (2), arrange that spiral helicine row cuts groove (21) and the knife back (22) of groove entity part is cut by the row of formation, the end face of cutting groove (21) row arranges main cutting edge (6), is positioned at that on the axial direction of head (1), length to be set be d
1land (4), and be positioned at the axial length d of head (1)
1on place's knife back (22), the first ring-type land (5) is set, shank (3) is held on transmission lathe.
2. ring-type cutting-edge twist drill according to claim 1, is characterized in that, is positioned at the axial length 2d of head (1)
1on place's knife back (22), the second ring-type land (7) is set.
3. ring-type cutting-edge twist drill according to claim 1, is characterized in that, the thickness proportion that row cuts groove (21) and the knife back (22) is 1:1.
4. ring-type cutting-edge twist drill according to claim 1, is characterized in that d
1=d
2﹤ d
3.
5. ring-type cutting-edge twist drill according to claim 1 and 2, is characterized in that, the width of land (4), the first ring-type land (5) and the second ring-type land (7) is 0.04d
1～0.06d
1.
6. ring-type cutting-edge twist drill according to claim 5, is characterized in that, the cross section of the first ring-type land (5) and the second ring-type land (7) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888947.1U CN203738091U (en) | 2013-12-31 | 2013-12-31 | Auger bit with annular blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888947.1U CN203738091U (en) | 2013-12-31 | 2013-12-31 | Auger bit with annular blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738091U true CN203738091U (en) | 2014-07-30 |
Family
ID=51337954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320888947.1U Expired - Lifetime CN203738091U (en) | 2013-12-31 | 2013-12-31 | Auger bit with annular blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722220A (en) * | 2013-12-31 | 2014-04-16 | 苏州阿诺精密切削技术股份有限公司 | Auger bit with annular cutting edges |
-
2013
- 2013-12-31 CN CN201320888947.1U patent/CN203738091U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722220A (en) * | 2013-12-31 | 2014-04-16 | 苏州阿诺精密切削技术股份有限公司 | Auger bit with annular cutting edges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160407 Address after: 310000 Xu village, Xintang street, Xiaoshan District, Zhejiang, Hangzhou Patentee after: HANGZHOU BINUO PRECISION TOOLS CO.,LTD. Address before: Suzhou City, Jiangsu province 215021 Park Kuatang subarea Baoda Road No. 8 Patentee before: SUZHOU AHNO PRECISION CUTTING TOOL TECHNOLOGY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |