CN207900316U - A kind of hard alloy processing rose cutter - Google Patents
A kind of hard alloy processing rose cutter Download PDFInfo
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- CN207900316U CN207900316U CN201721377924.9U CN201721377924U CN207900316U CN 207900316 U CN207900316 U CN 207900316U CN 201721377924 U CN201721377924 U CN 201721377924U CN 207900316 U CN207900316 U CN 207900316U
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Abstract
The utility model discloses a kind of hard alloy processing rose cutter, including cutter hub, characterized in that the cutter hub, including straight knife handle, with tapered cutting structure, the tapered cutting structure of the band includes rake face, flank, arc edge, chip-breaker；The cutter hub front end is equipped with arc edge, the cutting structure is made of the spiral cutting sword of four not deciles, the spiral cutting sword distribution is on the same circumference, the first sword, the third sword of the cutting edge pass through the centre of sphere of the rose cutter, and the first sword of the cutting edge circular arc portion, third sword are equipped with and rotate about the axis nonoverlapping chip-breaker；The second sword height is lower in axis direction than the first sword height, and the 4th sword height is lower in axis direction than third sword height.The utility model can effectively reduce vibration when cutting, can meet the requirement of chip breaking in high-speed machining process, knife can be realized Roughing and fine machining technique same, improve processing efficiency.
Description
Technical field
The utility model belongs to mechanical processing cutting element technical field, and bulb is processed more particularly to a kind of hard alloy
Milling cutter.
Background technology
Impeller be gas turbine, turbocharger core component, it is in auto industry, aerospace, chemical industry metallurgical etc.
Industry plays a key effect.But it since its blade wall is thin, curved surface is complicated, surface processing accuracy, smoothness requirements are high, becomes
Especially unmanageable part.Since blade wall is thin, chatter mark is easy tod produce in milling process, influences blade surface roughness in turn
Lead to the vibration in impeller practical work process.Monoblock type impeller often from one integral piece aluminium alloy or stainless steel milling, causes
Material removal surplus is big in its process, requires the easy chip breaking of process tool, easy chip removal.
Currently, the processing for impeller, generally adds a finishing knife to complete jointly on roughing knife, this side using one
Formula increases production cost, and frequently tool changing reduces machining accuracy.
Utility model content
The utility model is intended to overcome the deficiencies of existing technologies, in view of the above-mentioned problems, providing a kind of hard alloy processing
Rose cutter can effectively improve the processing efficiency of impeller, reduce the vibrations in milling process, reduce production cost.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of hard alloy processing rose cutter, including cutter hub, the cutter hub include straight knife handle 101, are cut with tapered
Structure 100 is cut, the cutting structure includes rake face 4, flank, arc edge, chip-breaker；The cutter hub front end is equipped with circle
Arc cutting edge 1, the cutting structure are made of the spiral cutting sword of four not deciles, and the spiral cutting sword is distributed in always
On the circumference that diameter is 10, the first sword, the third sword of the spiral cutting sword pass through the centre of sphere of the rose cutter, and the spiral
The first sword, the third sword of cutting edge circular arc portion, which are equipped with, rotates about the axis nonoverlapping chip-breaker 5；The of the spiral cutting sword
Two sword height, the 4th sword height are lower in axis direction than the first sword height, third sword height, and the bulb cutting edge is cut with taper
Cut the round and smooth tangent transition of sword.
Preferably, in one preferred embodiments of the utility model, angle where the spiral cutting sword of described four not deciles
It is followed successively by 0 °, 98 °, 180 °, 278 °.
Preferably, in one preferred embodiments of the utility model, the cutter hub cutting structure taper is 4 °, and core thickness taper is
1.3°。
Preferably, in one preferred embodiments of the utility model, the cutting angle of cutting edge is 6 °, the cutting edge first
Edge clearance angle is 13 °, and the second edge clearance angle of the cutting edge is 25 °.
Preferably, in one preferred embodiments of the utility model, the second sword height and the 4th sword height are identical, and first
Sword height and third sword height are identical.
Preferably, in one preferred embodiments of the utility model, second sword, the 4th sword exist than the first sword, third sword
The low 1.5mm of axis direction.The cutter hub Probe-radius is 10mm, and the cutter hub shank outer diameter is 16mm.
Compared with prior art, the utility model has following advantageous effect：
The beneficial effects of the utility model are：By the way that not decile cutting edge is arranged, the vibration in cutting process is reduced, is carried
High suface processing quality；By the way that long tooth one, three tooth chip-breakers are arranged, make to be more easy to chip breaking in high-speed machining process；Pass through setting
Lip height is poor, can realize Roughing and fine machining cutter integration, reduce number of changing knife, improve processing efficiency and processing essence
Degree；It is poor by the way that cutting edge and the taper of core thickness is arranged, under the premise of ensureing tool stiffness, the chip space of cutter groove is increased,
Keep chip removal in high-speed machining process smooth.
Description of the drawings
Fig. 1 is the front view that the utility model hard alloy processes rose cutter；
Fig. 2 is the left view that the utility model hard alloy processes rose cutter；
Fig. 3 is the close-up schematic view of rose cutter head chip-breaker shown in Fig. 2；
Fig. 4 is the close-up schematic view of the lip height difference of rose cutter shown in Fig. 2；
Fig. 5 is the cutting edge rake face front view that the utility model hard alloy processes rose cutter；
Each component briefly label is as follows in attached drawing：100, cutting structure；101, straight knife handle；1, arc edge；2, first
Flank；3, the second flank；4, rake face；5, chip-breaker.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs. 1-5, a kind of hard alloy processes rose cutter, including cutter hub, the cutter hub include straight knife handle 101,
With tapered cutting structure 100, the cutting structure includes rake face 4, flank, arc edge 1, chip-breaker 5；Knife afterwards
Face is made of major first flank 2 and the second flank 3.The cutter hub front end is equipped with the arc edge 1 of diameter 10mm, described to cut
It cuts structure to be made of the spiral cutting sword of four not deciles, the spiral cutting sword is distributed in the circumference of same a diameter of 10mm
On, the first sword, the third sword of the spiral cutting sword pass through the centre of sphere of the rose cutter, and the spiral cutting sword arc sections
The first sword, the third sword divided, which is equipped with, rotates about the axis nonoverlapping chip-breaker 5；Second sword height of the spiral cutting sword,
Four sword height are lower in axis direction than the first sword height, third sword height.
In one preferred embodiments of the utility model, angle where the spiral cutting sword of described four not deciles is followed successively by
0°、98°、180°、278°。
In one preferred embodiments of the utility model, the cutting structure taper of the cutter hub is 4 °, and core thickness taper is 1.3 °.
The helical angle of the cutting edge is 40 °, this helical angle is the cutting edge inclination of cutter, is one of geometric angle of cutter.
In one preferred embodiments of the utility model, the cutting angle of cutting edge is 6 °, the first edge clearance angle of the cutting edge
It it is 13 °, the second edge clearance angle of the cutting edge is 25 °.
In one preferred embodiments of the utility model, the second sword height and identical, the first sword height of the 4th sword height
It is identical with third sword height；Second sword, the 4th sword are lower 1.5mm in axis direction than the first sword, third sword.
In one preferred embodiments of the utility model, the bulb cutting edge and the round and smooth tangent transition of taper cutting edge, on
It is 22mm to state tool in cutting sword length, and the cutter hub overall length is 190mm.The cutter hub Probe-radius is 10mm, the cutter hub handle
Portion's outer diameter is 16mm.
The design concept of the utility model is：1, by the way that cutting edge is arranged, decile is not distributed, and reduces high-speed cutting
Vibration in journey, improves suface processing quality, improves workpiece to be machined precision；2, pass through the chip breaking of setting long tooth cutting edge
Slot, the chip removal being beneficial in cutting process, and the chip that high-speed cutting generates is divided into segment, prevent bulk chip scuffing from having added
Work workpiece surface；3, long tooth, the difference in height of short tooth are set, when roughing is mainly cut using long tooth；By cutter when semifinishing
Beat certain angle, it is main cutting edge to make short tooth, accomplishes that roughing completes knife using same with semifinishing, reduces tool changing
Number promotes processing efficiency；4, the tool in cutting sword taper is 4 °, and cutter core thickness is 1 °, in the premise for ensureing tool stiffness
Under, increase the chip space of cutter groove；5, by the way that large diameter circular arc (D10) cutting edge is arranged, chip-load is effectively reduced, is increased
The big heat dissipation area of cutting edge, and improve stock-removing efficiency.
The foregoing is merely the embodiments for illustrating the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement
Deng should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of hard alloy processes rose cutter, including cutter hub, characterized in that the cutter hub includes straight knife handle（101）, carry
The cutting structure of taper（100）, the tapered cutting structure of the band includes rake face（4）, flank, arc edge（1）、
Chip-breaker（5）；The cutter hub front end is equipped with arc edge（1）, the cutting structure by four not deciles spiral cutting sword
Composition, on the same circumference, the first sword, the third sword of the spiral cutting sword pass through the bulb for the spiral cutting sword distribution
The centre of sphere of milling cutter, and the first sword of the spiral cutting sword circular arc portion, third sword are equipped with and rotate about the axis nonoverlapping chip breaking
Slot（5）；Second sword height of the spiral cutting sword, the 4th sword height are than the first sword height, third sword height in axis direction
It is low, the bulb cutting edge and the round and smooth tangent transition of taper cutting edge.
2. a kind of hard alloy according to claim 1 processes rose cutter, it is characterised in that：Described four not deciles
Angle where spiral cutting sword is followed successively by 0 °, 98 °, 180 °, 278 °.
3. a kind of hard alloy according to claim 1 processes rose cutter, it is characterised in that：The cutting knot of the cutter hub
The taper of structure is 4 °, and core thickness taper is 1.3 °.
4. a kind of hard alloy according to claim 1 processes rose cutter, it is characterised in that：The cutting angle of cutting edge is equal
It it is 6 °, the first edge clearance angle of the cutting edge is 13 °, and the second edge clearance angle of the cutting edge is 25 °.
5. a kind of hard alloy according to claim 1 processes rose cutter, it is characterized in that：The second sword height and
Four swords height is identical, and the first sword height and third sword height are identical.
6. a kind of hard alloy processes rose cutter according to claim 1 or 5, it is characterized in that：Second sword, the 4th
Sword is lower 1.5mm in axis direction than the first sword, third sword.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377924.9U CN207900316U (en) | 2017-10-24 | 2017-10-24 | A kind of hard alloy processing rose cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377924.9U CN207900316U (en) | 2017-10-24 | 2017-10-24 | A kind of hard alloy processing rose cutter |
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| Publication Number | Publication Date |
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| CN207900316U true CN207900316U (en) | 2018-09-25 |
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| CN201721377924.9U Active CN207900316U (en) | 2017-10-24 | 2017-10-24 | A kind of hard alloy processing rose cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755770A (en) * | 2017-10-24 | 2018-03-06 | 国宏工具系统（无锡）股份有限公司 | A kind of hard alloy processes rose cutter |
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2017
- 2017-10-24 CN CN201721377924.9U patent/CN207900316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755770A (en) * | 2017-10-24 | 2018-03-06 | 国宏工具系统（无锡）股份有限公司 | A kind of hard alloy processes rose cutter |
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