CN208991828U - A kind of brill milling hinge composite cutter - Google Patents
A kind of brill milling hinge composite cutter Download PDFInfo
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- CN208991828U CN208991828U CN201820923795.7U CN201820923795U CN208991828U CN 208991828 U CN208991828 U CN 208991828U CN 201820923795 U CN201820923795 U CN 201820923795U CN 208991828 U CN208991828 U CN 208991828U
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- milling
- composite cutter
- edge
- reaming
- reaming portion
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Abstract
The utility model relates to a kind of brills to mill hinge composite cutter, it includes cutting portion and shank, cutting portion is provided with drilling part, milling part and reaming portion, the drilling part is arranged on the end face of cutting portion, reaming portion is arranged on one end circumferential surface far from its end face of cutting portion, and the milling part is arranged between drilling part and reaming portion.Utility model has the advantages that 1, be compounded with drilling and milling, hinge function becomes one knife, in processing can once different work, greatly save process time, improve processing efficiency.2, cutter front end has a drilling part, and there is a preferable certralizing ability in when tool sharpening inclined-plane, and when processing is not likely to produce cutter bounce, guarantees processing stationarity, saves centre drill, the work of drill bit.3, reaming portion both can guarantee that front end was bored, the stationarity of milling, and can reach the requirement of workpiece size and surface quality.
Description
Technical field
The utility model relates to a kind of brills to mill hinge composite cutter.
Background technique
At present in production and processing, need to carry out inclined-plane hole machined, inclined-plane hole machined is with centre drill, drill bit, expansion respectively
Hole knife, reamer four complete knife the processing, and processing efficiency is slow, and manufacturing procedure is complicated.In addition, due in processing beveled aperture
When, stress is different in all directions for cutter, thus can generate inclined hole, and easily breaking.
Summary of the invention
The composite cutter that the purpose of this utility model is to provide a kind of to bore milling hinge.
To achieve the above object, the utility model uses following technical scheme:
A kind of brill milling hinge composite cutter, including cutting portion and shank, cutting portion be provided with drilling part, milling part and
Reaming portion, the drilling part are arranged on the end face of cutting portion, its separate end face of cutting portion is arranged in reaming portion
On the circumferential surface of one end, the milling part is arranged between drilling part and reaming portion.
The utility model can be improved by following scheme:
The milling part has first diameter, and reaming portion has the second diameter greater than first diameter.
Drilling part band is tapered, and the drilling part includes the twice scroll to extend out from apex point end
Side.
The milling part includes the twice spiral edge to extend out from drilling part, and the reaming portion includes from institute
State the twice spiral edge that milling part extends out.
Chip space, face of the chip space towards spiral edge direction of rotation are formed between the twice spiral edge of the reaming portion
For rake face, the outer peripheral surface of the rake face and reaming portion is crossed to form peripheral edge, and peripheral edge is arranged close to the position of blade tip
There is ligamentum teres.
The core diameter of the reaming portion is 11 millimeters, and the ligamentum teres is extended spirally along the chip space hand of spiral and it is wide
Degree is between 0.1 millimeter to 0.4 millimeter.
Peripheral edge is formed with back-off slot, is the back of tooth that width is 3 millimeters between back-off slot and the cutting edge of peripheral edge, back-off slot
Length is 10 millimeters, and the depth of back-off slot is 1.2 millimeters.
Peripheral edge is provided with burnishing-in sword far from the other side of the back of tooth in back-off slot, and the width of burnishing-in sword is 0.2 millimeter.
Utility model has the advantages that 1, be compounded with drilling and milling, hinge function becomes one knife, can once not when processing
Same work, greatly saves process time, improves processing efficiency.2, cutter front end has drilling part, and tool sharpening is oblique
There is preferable certralizing ability when face, when processing is not likely to produce cutter bounce, guarantees processing stationarity, saves centre drill, drill bit
Work.3, reaming portion both can guarantee that front end was bored, the stationarity of milling, and can reach the requirement of workpiece size and surface quality.
Detailed description of the invention
Fig. 1 is the side structure schematic view of composite cutter in embodiment.
Fig. 2 is the schematic diagram of the section structure (omitting hatching) of A-A in Fig. 1.
Fig. 3 is the partial enlargement status architecture schematic diagram of peripheral edge in embodiment.
Specific embodiment
As shown in attached drawing 1 to attached drawing 3, a kind of brill milling hinge composite cutter includes cutting portion 100 and shank 200.
Cutting portion 100 is provided with drilling part 1, milling part 2 and reaming portion 3, and the setting of drilling part 1 is being cut
On the end face in portion 100, reaming portion 3 is arranged on one end circumferential surface far from its end face of cutting portion 100, and the milling part is set
It sets between drilling part 1 and reaming portion 3.Wherein, the milling part 2 has first diameter, and the reaming portion 3 has
Greater than the second diameter of first diameter.
With tapered, the drilling part 1 includes the twice scroll to extend out from apex point end for the drilling part 1
Side.The milling part 2 includes the twice spiral edge to extend out from drilling part, and the reaming portion 3 includes from described
The twice spiral edge that milling part 2 extends out.
Chip space 31 is formed between the twice spiral edge of the reaming portion 3, chip space 31 is towards spiral edge rotation side
To face be rake face, the outer peripheral surface of the rake face and reaming portion 3 is crossed to form peripheral edge, and peripheral edge is close to the position of blade tip
It installs and is equipped with ligamentum teres 32.
In the specific embodiment shown, the core diameter D of the reaming portion 3 is 11 millimeters, the ligamentum teres
32 extend spirally and its width L1 is between 0.1 millimeter to 0.4 millimeter along 31 hand of spiral of chip space.Peripheral edge is formed with shovel
Back-trough 33 is the back of tooth that width is 3 millimeters between back-off slot 33 and the cutting edge of peripheral edge, and the length L3 of back-off slot 33 is 10 millimeters,
The depth d of back-off slot 33 is 1.2 millimeters.Peripheral edge is provided with burnishing-in sword 34, burnishing-in far from the other side of the back of tooth in back-off slot 33
The width L4 of sword 34 is 0.2 millimeter.
Claims (8)
1. a kind of brill milling hinge composite cutter, including cutting portion and shank, which is characterized in that cutting portion be provided with drilling part,
Milling part and reaming portion, the drilling part are arranged on the end face of cutting portion, and the remote of cutting portion is arranged in reaming portion
On one end circumferential surface from its end face, the milling part is arranged between drilling part and reaming portion.
2. a kind of brill milling hinge composite cutter according to claim 1, which is characterized in that the milling part has first
Diameter, the reaming portion have the second diameter greater than first diameter.
3. according to claim 1 or kind described in claim 2 any claim bores milling hinge composite cutter, feature exists
In drilling part band is tapered, and the drilling part includes the twice spiral edge to extend out from apex point end.
4. a kind of brill milling hinge composite cutter according to claim 3, which is characterized in that the milling part includes from brill
The twice spiral edge that part extends out is cut, the reaming portion includes the twice spiral to extend out from the milling part
Seamed edge.
5. a kind of brill milling hinge composite cutter according to claim 4, which is characterized in that the twice spiral shell of the reaming portion
Chip space is formed between rotation seamed edge, the face of chip space towards spiral edge direction of rotation is rake face, the rake face and ream portion
The outer peripheral surface divided is crossed to form peripheral edge, and peripheral edge is provided with ligamentum teres close to the position of blade tip.
6. a kind of brill milling hinge composite cutter according to claim 5, which is characterized in that the core diameter of the reaming portion is
11 millimeters, the ligamentum teres is extended spirally along the chip space hand of spiral and its width is between 0.1 millimeter to 0.4 millimeter.
7. a kind of brill milling hinge composite cutter according to claim 6, which is characterized in that peripheral edge is formed with back-off slot,
It is the back of tooth that width is 3 millimeters between back-off slot and the cutting edge of peripheral edge, the length of back-off slot is 10 millimeters, and the depth of back-off slot is
1.2 millimeter.
8. a kind of brill milling hinge composite cutter according to claim 7, which is characterized in that peripheral edge is in back-off slot far from tooth
The other side of back is provided with burnishing-in sword, and the width of burnishing-in sword is 0.2 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923795.7U CN208991828U (en) | 2018-06-14 | 2018-06-14 | A kind of brill milling hinge composite cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923795.7U CN208991828U (en) | 2018-06-14 | 2018-06-14 | A kind of brill milling hinge composite cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208991828U true CN208991828U (en) | 2019-06-18 |
Family
ID=66796021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820923795.7U Active CN208991828U (en) | 2018-06-14 | 2018-06-14 | A kind of brill milling hinge composite cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208991828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465852A (en) * | 2018-06-14 | 2018-08-31 | 江门市中刀精密科技有限公司 | A kind of brill milling hinge composite cutter |
-
2018
- 2018-06-14 CN CN201820923795.7U patent/CN208991828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465852A (en) * | 2018-06-14 | 2018-08-31 | 江门市中刀精密科技有限公司 | A kind of brill milling hinge composite cutter |
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