CN105880700A - Mosaic milling cutter bit - Google Patents
Mosaic milling cutter bit Download PDFInfo
- Publication number
- CN105880700A CN105880700A CN201410592349.9A CN201410592349A CN105880700A CN 105880700 A CN105880700 A CN 105880700A CN 201410592349 A CN201410592349 A CN 201410592349A CN 105880700 A CN105880700 A CN 105880700A
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- CN
- China
- Prior art keywords
- cutter head
- carbide blade
- cutter
- rake angle
- spherical surface
- 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 discloses a mosaic milling cutter bit. The mosaic milling cutter bit comprises a cutter bit, a carbide blade and fasteners, wherein a plurality of cutter grooves are annularly and uniformly distributed in the side wall of the cutter bit, a fastener connecting hole is formed in one side of each cutter groove, a fixing hole is formed in the carbide blade, a fastening and connecting end of each fastener passes through the carbide blade to extend into the connecting hole of the fastener, the carbide blade adopts a positive rake angle structure, a positive rake angle of the carbide blade is 33-35 degrees, a hemispherical concave spherical surface is arranged in the middle of the end surface of the cutter bit, the concave spherical surface is connected with the outer edge of the cutter bit by a circle of inclined surface, and a chip removal channel is formed between the concave spherical surface and each cutter groove. By adopting the positive rake angle design and the special chip removal structure, under the condition of guaranteeing unobstructed chip removal, the requirements for main shaft power are reduced, heat produced by cutting is less, surface precision of a workpiece is high, and the wear of a machine tool is relatively small.
Description
Technical field
The invention belongs to a kind of numerical control machining cutter, a kind of inserted milling cutter head.
Background technology
The feature that numerical control machining cutter must adapt to Digit Control Machine Tool high speed, efficient and automaticity is high, one
As should include universal cutter, general connection handle of a knife and a small amount of Special scalpel handle.Handle of a knife cutter to be coupled also is contained in
On power unit of machine tool.Numerical control machining cutter according to structure can be divided into integral cutter, insert and
The composite cutter of custom design, damping type cutter etc..
Insert uses extensively, and insert is to be embedded on bit body by carbide blade
Cutting tip as cutter head uses, and compared to other cutters, its hardness is higher and cost is lower.
" a kind of milling cutter of insert of the prior art such as Patent No. " 201110426614.2 "
Tool " it is exactly the structure using carbide blade to be embedded on bit body, but due to this cutter head end
Face is flat, carbide blade concordant with end face.And carbide blade uses common planar junction
Structure or negative rake structure, although but intensity is little compared with high shear action, needs to rely on powerful main shaft defeated
Go out, so energy consumption is serious, and easily produce built-up edge, make cutting region high temperature, reduce and be cut part
Surface accuracy.
Summary of the invention
For above-mentioned situation, the present invention provides a kind of inserted milling cutter head, use positive rake angle design and
Special chip discharging structure, is ensureing chip removal usually, is reducing the requirement to main shaft power,
The heat that cutting produces is little, and surface of the work precision is high, and the abrasion simultaneously for lathe is the most relatively fewer.
To achieve these goals, technical scheme is as follows:
Inserted milling cutter head, including cutter head, carbide blade and securing member, cutter head sidewall annular is all
Even distribution some cuttves groove, cutter groove side is provided with securing member connecting hole, and carbide blade is provided with fixing hole,
Securing member is fastenedly connected end and stretches among securing member connecting hole through carbide blade, described hard alloy
Blade uses positive rake angle structure, and the positive rake angle of carbide blade is 33～35 degree, has in the middle part of cutter head end face
Hemispheric interior concave spherical surface, is coupled together by a circle inclined-plane between interior concave spherical surface and cutter head outer, indent
A channel of chip removal it is equipped with between sphere and each cutter groove.
As the presently preferred embodiments, described channel of chip removal is around cutter head axle center Spiral distribution.
As the presently preferred embodiments, the positive rake angle of described carbide blade is 34 degree.
When the design of interior concave spherical surface is to make have employed the cutting of the carbide blade of positive rake angle, generation
A small amount of cutting swarf inwardly splashed enters Internal Spherical Surface rather than splashes on the end face of cutter head, thus along row
Bits passage enters among cutter groove, and then discharges cutter head.Channel of chip removal is designed to the shape of spiral and allows for
Cutting swarf among interior concave spherical surface by the centrifugal action gathering power and cutter head rotates, so in order to prevent
Cutting swarf blocks, and is designed to the shape being consistent with centrifugal force track.The design on inclined-plane can be by indent ball
A bigger space is reserved between face and end face, thus when preventing cutter head from cutting, interior concave spherical surface and end face
Between air less, make crumb loading adhesion.
The design of positive rake angle can make main cutting force decline, and also reduces radial-thrust force and feed drag simultaneously.
Positive rake angle can make cutter the sharpest, cuts the most brisk.Cutter itself it is likely to result in the most greatly due to positive rake angle
Intensity also decline, so the positive rake angle of carbide blade is scheduled on 33～35 degree.
The invention have the advantage that and use the design of positive rake angle and special chip discharging structure, ensureing chip removal
Usually, reducing the requirement to main shaft power, the heat that cutting produces is little, and workpiece table
Surface accuracy is high, and the abrasion simultaneously for lathe is the most relatively fewer.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention.
Fig. 2 is the sectional view of A-A section of the present invention.
In the drawings: 1-cutter head, 2-carbide blade, 3-securing member, 4-cutter groove, 5-fixing hole, in 6-
Concave spherical surface, 7-inclined-plane, 8-channel of chip removal.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with being specifically illustrating, the present invention is expanded on further.
See Fig. 1～Fig. 2, inserted milling cutter head, including cutter head, carbide blade and securing member,
Cutter head sidewall annular is uniformly distributed some cutter grooves, and cutter groove side is provided with securing member connecting hole, carbide cutter tool
Sheet is provided with fixing hole, securing member be fastenedly connected end through carbide blade stretch into securing member connecting hole it
In, described carbide blade uses positive rake angle structure, and the positive rake angle of carbide blade is 33～35 degree,
Hemispheric interior concave spherical surface is had, by a circle inclined-plane between interior concave spherical surface and cutter head outer in the middle part of cutter head end face
Couple together, between interior concave spherical surface and each cutter groove, be equipped with a channel of chip removal.
As the presently preferred embodiments, described channel of chip removal is around cutter head axle center Spiral distribution.
As the presently preferred embodiments, the positive rake angle of described carbide blade is 34 degree.
When the design of interior concave spherical surface is to make have employed the cutting of the carbide blade of positive rake angle, generation
A small amount of cutting swarf inwardly splashed enters Internal Spherical Surface rather than splashes on the end face of cutter head, thus along row
Bits passage enters among cutter groove, and then discharges cutter head.Channel of chip removal is designed to the shape of spiral and allows for
Cutting swarf among interior concave spherical surface by the centrifugal action gathering power and cutter head rotates, so in order to prevent
Cutting swarf blocks, and is designed to the shape being consistent with centrifugal force track.The design on inclined-plane can be by indent ball
A bigger space is reserved between face and end face, thus when preventing cutter head from cutting, interior concave spherical surface and end face
Between air less, make crumb loading adhesion.
The design of positive rake angle can make main cutting force decline, and also reduces radial-thrust force and feed drag simultaneously.
Positive rake angle can make cutter the sharpest, cuts the most brisk.Cutter itself it is likely to result in the most greatly due to positive rake angle
Intensity also decline, so the positive rake angle of carbide blade is scheduled on 33～35 degree.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle of the simply present invention described in book, the present invention without departing from the spirit and scope of the present invention
Also having various changes and modifications, these changes and improvements both fall within the range of claimed invention.
The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (3)
- The most inserted milling cutter head, including cutter head, carbide blade and securing member, cutter head sidewall annular Being uniformly distributed some cutter grooves, cutter groove side is provided with securing member connecting hole, and carbide blade is provided with fixing Hole, securing member is fastenedly connected end and stretches among securing member connecting hole through carbide blade, and its feature exists In, described carbide blade uses positive rake angle structure, and the positive rake angle of carbide blade is 33～35 degree, Hemispheric interior concave spherical surface is had, by a circle inclined-plane between interior concave spherical surface and cutter head outer in the middle part of cutter head end face Couple together, between interior concave spherical surface and each cutter groove, be equipped with a channel of chip removal.
- Inserted milling cutter head the most according to claim 1, it is characterised in that described channel of chip removal Around cutter head axle center Spiral distribution.
- Inserted milling cutter head the most according to claim 1 and 2, it is characterised in that described hard The positive rake angle of alloy blade is 34 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592349.9A CN105880700A (en) | 2014-10-27 | 2014-10-27 | Mosaic milling cutter bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592349.9A CN105880700A (en) | 2014-10-27 | 2014-10-27 | Mosaic milling cutter bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105880700A true CN105880700A (en) | 2016-08-24 |
Family
ID=57001640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410592349.9A Pending CN105880700A (en) | 2014-10-27 | 2014-10-27 | Mosaic milling cutter bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405861A (en) * | 2019-06-26 | 2019-11-05 | 泉州市西决三维科技有限公司 | A kind of load distributing CNC milling machine for timber processing |
-
2014
- 2014-10-27 CN CN201410592349.9A patent/CN105880700A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405861A (en) * | 2019-06-26 | 2019-11-05 | 泉州市西决三维科技有限公司 | A kind of load distributing CNC milling machine for timber processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: CHANGZHOU JIHAO TECHNOLOGY DEVELOPMENT CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| DD01 | Delivery of document by public notice | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
|
| WD01 | Invention patent application deemed withdrawn after publication |