CN219685913U - Drill bit for processing resin composite material - Google Patents
Drill bit for processing resin composite material Download PDFInfo
- Publication number
- CN219685913U CN219685913U CN202320776252.8U CN202320776252U CN219685913U CN 219685913 U CN219685913 U CN 219685913U CN 202320776252 U CN202320776252 U CN 202320776252U CN 219685913 U CN219685913 U CN 219685913U
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- CN
- China
- Prior art keywords
- composite material
- drilling
- drill bit
- resin composite
- processing
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- 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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- 239000000463 material Substances 0.000 title claims abstract description 20
- 239000000805 composite resin Substances 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 238000003801 milling Methods 0.000 claims abstract description 13
- 241001074085 Scophthalmus aquosus Species 0.000 claims 4
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses a drill bit for processing a resin composite material, which comprises a blade part and a handle part, wherein the blade part comprises a pre-drilling part, a finish drilling part and a chip groove, the chip groove extends from the head part of the pre-drilling part to the tail part of the finish drilling part, a drill point and a milling cutter side blade are arranged on the pre-drilling part, the angle of the drill point is 120 degrees, the finish drilling part is provided with a cutting-in blade and a front cone side blade, the milling cutter side blade and the front cone side blade are connected together through the cutting-in blade, and the outer diameter of the finish drilling part is provided with a cylindrical cutting band. The utility model can effectively solve the problems of heating deformation and burrs at the hole outlet during drilling of the composite material.
Description
Technical Field
The utility model relates to the technical field of cutters, in particular to a drill bit for processing a resin composite material.
Background
The composite material is more and more widely applied in the current industrial products, when a customer processes a workpiece of the resin composite material, the common drill bit has large heating value, the resin material can be burnt, the resin composite material is a fiber woven material and is not easy to drill, burrs at the hole outlet are very much, and the drilling processing cannot meet the technological requirements.
Disclosure of Invention
The utility model aims to: aiming at the problems and the defects in the prior art, the utility model aims to provide a drill bit for processing a resin composite material, which effectively solves the problems of heating deformation and burrs at a hole outlet when the composite material is drilled.
The technical scheme is as follows: in order to achieve the above purpose, the drill bit for processing the resin composite material comprises a blade part and a handle part, wherein the blade part comprises a pre-drilling part, a fine drilling part and a chip groove, the chip groove extends from the head part of the pre-drilling part to the tail part of the fine drilling part, a drill point and a milling cutter side blade are arranged on the pre-drilling part, the angle of the drill point is 120 degrees, the fine drilling part is provided with a cutting-in blade and a front cone side blade, the milling cutter side blade and the front cone side blade are connected together through the cutting-in blade, and the outer diameter of the fine drilling part is provided with a cylindrical cutting edge.
Further, the milling cutter side edges are arranged parallel to the horizontal central axis.
Further, the cutting angle of the cutting edge is 80 °.
Further, the included angle between the front cone side edge and the horizontal central axis is 3 degrees, and the length of the front cone side edge is about 1/2 of the drilling hole diameter.
Further, the angle of the drill point is 120 degrees, the diameter of the pre-drilling part is 80% of the drilling hole diameter, and the length of the pre-drilling part is 20% of the drilling hole diameter.
Further, the width of the cylindrical cutting edge is 0.2-0.3 mm.
Further, the spiral angle of the chip groove is 30 degrees, and the length of the chip groove is larger than that of the handle.
Further, the blade portion has a blade diameter smaller than the shank diameter of the shank portion.
The technical scheme can be seen that the beneficial effects of the utility model are as follows:
according to the drill bit for processing the resin composite material, the cutting allowance of a pre-drilled drill point can be reduced during drilling, a foundation is laid for drilling qualified holes, the side edge of a milling cutter at the rear side of the drill point is not designed by adopting a cylindrical cutting edge of a common drill bit, the side edge of the milling cutter is sharp, burrs generated during part of pre-drilling can be cut off, friction between the drill bit and a hole diameter can be reduced, and heating is reduced. The front end of the finish drill adopts a front cone side blade, the burrs of the fiber material which is cut off can be further cut off, the outer diameter of the finish drill part adopts a cylindrical cutting edge design, and the service life of the drill bit can be ensured and the heating value can be reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a blade;
FIG. 3 is a schematic diagram of a blade section;
fig. 4 is a schematic end structure of the blade.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
1-4, a drill for processing a resin composite material, comprising a blade part 1 and a shank part 2, wherein the blade part 1 comprises a pre-drilling part 11, a fine drilling part 12 and a chip groove 13, the chip groove 13 extends from the head part of the pre-drilling part 11 to the tail part of the fine drilling part 12, the spiral angle of the chip groove 13 is 30 degrees, and the length of the chip groove 13 is longer than that of the shank part 2; the diameter of the pre-drilling part 11 is 80% of the drilling hole diameter, and the length of the pre-drilling part 11 is 20% of the drilling hole diameter; the pre-drilling part 11 is provided with a drill tip 111 and a milling cutter side edge 112, the angle of the drill tip 111 is 120 degrees, and the milling cutter side edge 112 is arranged in parallel with the horizontal central axis. The fine drill 12 is provided with a cutting edge 121 and a front taper side edge 122, the milling cutter side edge 112 and the front taper side edge 122 are connected together by the cutting edge 121, and the cutting angle of the cutting edge 121 is 80 degrees; the included angle between the front cone side edge 122 and the horizontal central axis is 3 degrees, and the length of the front cone side edge 122 is about 1/2 of the drilling aperture; the outer diameter of the fine drilling section 12 is provided with a cylindrical margin 123. The width of the cylindrical margin 123 is 0.2-0.3 mm.
In this embodiment the blade diameter of the blade portion 1 is smaller than the shank diameter of the shank portion 2.
The examples are intended to illustrate the utility model and not to limit its scope, and after reading the utility model, various equivalents of the utility model by those skilled in the art are within the scope of the utility model as defined by the appended claims.
Claims (8)
1. A drill bit for processing a resin composite material, characterized in that: including cutting part (1) and stalk portion (2), cutting part (1) is including pre-drilling portion (11), smart brill portion (12) and chip groove (13), and chip groove (13) extend to the afterbody of smart brill portion (12) from the head of pre-drilling portion (11), be equipped with on pre-drilling portion (11) drill point (111) and milling cutter side sword (112), the angle of drill point (111) is 120, smart brill portion (12) are equipped with and cut into sword (121) and front cone side sword (122), and milling cutter side sword (112) are in the same place through cutting into sword (121) with front cone side sword (122), the external diameter of smart brill portion (12) is equipped with cylinder margin (123).
2. A drill bit for processing a resin composite material according to claim 1, wherein: the milling cutter side edges (112) are arranged parallel to the horizontal central axis.
3. A drill bit for processing a resin composite material according to claim 1, wherein: the cutting angle of the cutting edge (121) is 80 degrees.
4. A drill bit for processing a resin composite material according to claim 1, wherein: the included angle between the front cone side edge (122) and the horizontal central axis is 3 degrees, and the length of the front cone side edge (122) is about 1/2 of the drilling aperture.
5. A drill bit for processing a resin composite material according to claim 1, wherein: the diameter of the pre-drilling part (11) is 80% of the bore diameter, and the length of the pre-drilling part (11) is 20% of the bore diameter.
6. A drill bit for processing a resin composite material according to claim 1, wherein: the width of the cylindrical cutting edge margin (123) is 0.2-0.3 mm.
7. A drill bit for processing a resin composite material according to claim 1, wherein: the spiral angle of the chip groove (13) is 30 degrees, and the length of the chip groove (13) is longer than that of the handle (2).
8. A drill bit for processing a resin composite material according to claim 1, wherein: the blade diameter of the blade part (1) is smaller than the handle diameter of the handle part (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776252.8U CN219685913U (en) | 2023-04-11 | 2023-04-11 | Drill bit for processing resin composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776252.8U CN219685913U (en) | 2023-04-11 | 2023-04-11 | Drill bit for processing resin composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219685913U true CN219685913U (en) | 2023-09-15 |
Family
ID=87964402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776252.8U Active CN219685913U (en) | 2023-04-11 | 2023-04-11 | Drill bit for processing resin composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219685913U (en) |
-
2023
- 2023-04-11 CN CN202320776252.8U patent/CN219685913U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |