CN206981846U - A kind of Integral alloy band handle rotor balancing knife - Google Patents
A kind of Integral alloy band handle rotor balancing knife Download PDFInfo
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- CN206981846U CN206981846U CN201720513897.7U CN201720513897U CN206981846U CN 206981846 U CN206981846 U CN 206981846U CN 201720513897 U CN201720513897 U CN 201720513897U CN 206981846 U CN206981846 U CN 206981846U
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- band handle
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Abstract
Integral alloy band handle rotor balancing knife provided by the utility model, including knife bar, one end of knife bar has cutter head, the side wall of the cutter head has several cutters tooth, each cutter tooth is uniformly distributed around the central axis of the cutter head, and each cutter tooth is helically linearly set around the side wall of the cutter head, and the knife edge of cutter tooth is in recessed arc, the knife edge is corresponding to the circular arc sidewall shape of rotor so that chooses more in place at cutting duplicate removal position of the balance knife to rotor.The axial dimension of cutter tooth is f, 15mm≤f≤22mm so that edge length is larger so that duplicate removal region is sufficiently large.The helical angle of each blade is a, 32 °≤a≤38 °.See Fig. 3, the first relief angle of each blade is 1≤6 ° of 1,2 °≤β of β, and the second relief angle of each blade is 2≤20 ° of 2,16 °≤β of β.The structure causes balance knife wearability enhancing of the present utility model, improves cutter life.
Description
Technical field
It the utility model is related to cutter field, and in particular to a kind of Integral alloy band handle rotor balancing knife.
Background technology
Direct relation is distributed with rotor quality in unbalancing value, therefore after unbalancing value exceeds prescribed limit, have
The necessary scope according to demarcation carries out the adjustment of Mass Distribution, and direction that specifically can be is gone in accordance with the instructions in certain regional extent
Weight, to reach preferable Mass Distribution.Correction is balanced to rotor, the balance accuracy grade of permission can be reached, so that
Its caused mechanical oscillation amplitude drop in allowed limits, and is circumferentially run all the time, will not be produced centrifugal force, be shaken or make an uproar
Sound, operated for a long time beneficial to motor, avoid causing vibration and noise, and avoid bearing accelerated wear test, the prolonged mechanical life-span.
The detection and correction of rotor dynamic balancing are to reduce the effective ways of electric rotating machine vibration and noise, by detecting rotor
Original unbalance, by aggravate or duplicate removal method correct unbalance residual content, so as to reach the requirement of dynamic balance accuracy.
For rotor in the dynamic balance calibration of two rectifying planes, correcting value is probably on the occasion of being also likely to be negative value, so the school of rotor dynamic balancing
Correction method is generally divided into two kinds of duplicate removal method and weighting procedure.Duplicate removal method is broadly divided into drilling duplicate removal, milling duplicate removal and laser duplicate removal, its
Middle milling duplicate removal is most widely used, and milling at present uses saw blade knife form, because saw blade is relatively thin（About 3mm）, saw blade knife
Sword cuts with scissors short, it is necessary to could complete duplicate removal cutwork to the multiple processing of rotor progress, causes processing efficiency low, turns after processing
Son has obvious otch, it appears unsightly, and because saw blade blade is not sharp, the rotor processed can be jagged.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of Integral alloy band handle rotor balancing knife,
It can improve processing efficiency；In addition it is possible to improve the crudy of rotor.
In order to solve the above-mentioned technical problem, technical scheme is used by the utility model：
Integral alloy band handle rotor balancing knife provided by the utility model, including knife bar, one end of knife bar have cutter head, institute
The side wall for stating cutter head has several cutters tooth, and each cutter tooth is uniformly distributed around the central axis of the cutter head, each cutter tooth
The side wall of the cutter head is helically linearly set around, the knife edge of the cutter tooth is in recessed arc, the cutter tooth
Axial dimension is f, 15mm≤f≤22mm, and the helical angle of each blade is a, 32 °≤a≤38 °, the of each blade
One relief angle is 1≤6 ° of 1,2 °≤β of β, and the second relief angle of each blade is 2≤20 ° of 2,16 °≤β of β.
Specifically, each blade is respectively provided with chip-breaker.
Specifically, the quantity of the cutter tooth is six, wherein the blade of three cutters tooth has three chip-breakers, in addition
The blade of three cutters tooth has two chip-breakers, the cutter tooth with three chip-breakers and the institute with two chip-breakers
Cutter tooth is stated to be alternately distributed.
Specifically, the junction of the cutter head and the knife bar has positioning round table, the positioning round table and the knife bar
It is coaxially disposed, the junction of the positioning round table and the knife bar has empty avoiding annular groove, and the empty avoiding annular groove and the knife bar are same
Axle is set, and the end face close to the knife bar of the positioning round table is vertical with the rotation axis of the knife bar.
Specifically, the axial width of the empty avoiding annular groove is 1.8mm~2.2mm.
Specifically, the side wall of the knife bar is provided with locating notch, and the side wall of the locating notch is positioning plane.
Specifically, the anterior angle of each blade is d, 20 °≤d≤24 °.
Specifically, the both ends of the blade are respectively provided with chamfering, and the angle of the chamfering is e, 18 °≤e≤22 °.
The beneficial effects of the utility model are：
The knife edge of cutter tooth is in recessed arc, and the knife edge is corresponding to the circular arc sidewall shape of rotor so that
Cutting duplicate removal position of the knife to rotor is balanced to choose more in place.The axial dimension of cutter tooth is f, 15mm≤f≤22mm so that blade
Length is larger so that duplicate removal region is sufficiently large.The helical angle of each blade is a, 32 °≤a≤38 °.See Fig. 3, the of each blade
One relief angle is 1≤6 ° of 1,2 °≤β of β, and the second relief angle of each blade is 2≤20 ° of 2,16 °≤β of β.The structure causes this practicality
New balance knife wearability enhancing, improves cutter life；It is in addition, dry between reducing rear knife face and workpiece face to be processed
Relate to；Furthermore so that sword sword is more sharp, so as to improve the surface quality to alloy strip handle rotor machining, avoids rotor surface from producing
Setation pierces.
Brief description of the drawings
Fig. 1 is the front view of balance knife of the present utility model；
Fig. 2 is that part of the balance knife of the present utility model under depression angle cuts view；
Fig. 3 is the right view of balance knife of the present utility model.
Reference is in figure：
1. knife bar, 2. cutter heads, 3. cutters tooth, 4. chip-breakers,
5. positioning round table, 6. empty avoiding annular grooves, 7. locating notches.
Embodiment
Further illustrate specific embodiment of the present utility model below in conjunction with the accompanying drawings.
See Fig. 1 and Fig. 3, Integral alloy band handle rotor balancing knife of the present utility model, including knife bar 1, one end tool of knife bar 1
There is cutter head 2.The side wall of cutter head 2 has six cutters tooth 3, and each cutter tooth 3 is uniformly distributed around the central axis of cutter head 2.Cutter tooth 3 is helically
Linearly it is surrounded on the side wall of cutter head 2.The knife edge of cutter tooth 3 is in the circular arc of recessed arc, the knife edge and rotor
Sidewall shape is corresponding so that chooses more in place at cutting duplicate removal position of the balance knife to rotor.The axial dimension of cutter tooth 3 is f, f=
19mm so that edge length is larger so that duplicate removal region is sufficiently large.The helical angle of each blade is a, a=35 °.See Fig. 3, each knife
First relief angle of sword is β 1, and 1=4 ° of β, the second relief angle of each blade is β 2,2=18 ° of β.The structure causes of the present utility model
The enhancing of knife wearability is balanced, improves cutter life；In addition, reduce the interference between rear knife face and workpiece face to be processed；Again
Person so that sword sword is more sharp, so as to improve the surface quality to alloy strip handle rotor machining, avoids rotor surface from producing hair
Thorn.
Specifically, blade has chip-breaker 4, which increases chip space so that the quick discharge of scrap.
Specifically, the quantity of cutter tooth 3 is six, wherein the blade of three cutters tooth 3 has three chip-breakers 4（Referring in Fig. 2
Top）, the blade of the other three cutter tooth 3 has two chip-breakers 4（Referring to lower section in figure）.Knife with three chip-breakers 4
Tooth 3 is alternately distributed with the cutter tooth 3 with two chip-breakers 4, so as to further make scrap quickly discharge.
Specifically, the junction of cutter head 2 and knife bar 1 has positioning round table 5, and positioning round table 5 is coaxially disposed with knife bar 1.It is fixed
The junction of circle of position platform 5 and knife bar 1 has empty avoiding annular groove 6, and empty avoiding annular groove 6 is coaxially disposed with knife bar 1, positioning round table 5 it is close
In the end face of knife bar 1 and the central axis upright of knife bar 1.Empty avoiding annular groove 6 enable installation cutter clamp system locating surface
Enough end faces close to knife bar 1 for being more fully bonded positioning round table 5, so that balance knife of the present utility model can be more accurate
Ground positions.
Specifically, the axial width of empty avoiding annular groove 6 is c, c=2mm, and the width is of moderate size, and is playing the same of empty avoiding effect
When, the bulk strength of the present utility model for balancing knife will not be reduced.
Specifically, the side wall of knife bar 1 is provided with locating notch 7, and the side wall of locating notch 7 is positioning plane.Locating notch 7 is used
In for positioning screw（It is not shown）Head end support.Screw head end makes balance knife of the present utility model circumferential against positioning plane
Positioning.
Specifically, the anterior angle of each blade is d, d=22 ° so that blade is sharper.
Specifically, the both ends of each blade are respectively provided with chamfering, and the angle of chamfering is e, e=20 °, and the chamfering is avoided that blade end
Rotor is caused to interfere in portion.
Above disclosed is only preferred embodiment of the present utility model, certainly can not be new to limit this practicality with this
The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and covered
Scope.
Claims (8)
- A kind of 1. Integral alloy band handle rotor balancing knife, it is characterised in that：Including knife bar, one end of knife bar has cutter head, described The side wall of cutter head has several cutters tooth, and each cutter tooth is uniformly distributed around the central axis of the cutter head, and each cutter tooth is equal Helically linearly it is set around the side wall of the cutter head, the knife edge of the cutter tooth is in recessed arc, the axle of the cutter tooth It is f, 15mm≤f≤22mm to size, the helical angle of each blade is a, 32 °≤a≤38 °, and the first of each blade Relief angle is 1≤6 ° of 1,2 °≤β of β, and the second relief angle of each blade is 2≤20 ° of 2,16 °≤β of β.
- 2. Integral alloy band handle rotor balancing knife according to claim 1, it is characterised in that：Each blade is respectively provided with disconnected Consider groove to be worth doing.
- 3. Integral alloy band handle rotor balancing knife according to claim 2, it is characterised in that：The quantity of the cutter tooth is six Individual, wherein the blade of three cutters tooth has three chip-breakers, the blade of the other three cutter tooth has two chip-breakers, The cutter tooth with three chip-breakers is alternately distributed with the cutter tooth with two chip-breakers.
- 4. Integral alloy band handle rotor balancing knife according to claim 1, it is characterised in that：The cutter head and the knife bar Junction there is positioning round table, the positioning round table is coaxially disposed with the knife bar, the positioning round table and the knife bar Junction has empty avoiding annular groove, and the empty avoiding annular groove is coaxially disposed with the knife bar, the positioning round table close to the knife The end face of bar is vertical with the rotation axis of the knife bar.
- 5. Integral alloy band handle rotor balancing knife according to claim 4, it is characterised in that：The axial direction of the empty avoiding annular groove Width is 1.8mm~2.2mm.
- 6. Integral alloy band handle rotor balancing knife according to claim 1, it is characterised in that：The side wall of the knife bar is provided with Locating notch, the side wall of the locating notch is positioning plane.
- 7. Integral alloy band handle rotor balancing knife according to claim 1, it is characterised in that：The anterior angle of each blade is equal For d, 20 °≤d≤24 °.
- 8. Integral alloy band handle rotor balancing knife according to claim 1, it is characterised in that：The both ends of the blade have There is a chamfering, the angle of the chamfering is e, 18 °≤e≤22 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513897.7U CN206981846U (en) | 2017-05-10 | 2017-05-10 | A kind of Integral alloy band handle rotor balancing knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513897.7U CN206981846U (en) | 2017-05-10 | 2017-05-10 | A kind of Integral alloy band handle rotor balancing knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206981846U true CN206981846U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720513897.7U Active CN206981846U (en) | 2017-05-10 | 2017-05-10 | A kind of Integral alloy band handle rotor balancing knife |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085715A (en) * | 2020-01-04 | 2020-05-01 | 东莞市米乐尔金属制品有限公司 | PCD milling cutter |
-
2017
- 2017-05-10 CN CN201720513897.7U patent/CN206981846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085715A (en) * | 2020-01-04 | 2020-05-01 | 东莞市米乐尔金属制品有限公司 | PCD milling cutter |
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