CN205650877U - Thick milling cutter of broken teeth - Google Patents
Thick milling cutter of broken teeth Download PDFInfo
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- CN205650877U CN205650877U CN201620290688.6U CN201620290688U CN205650877U CN 205650877 U CN205650877 U CN 205650877U CN 201620290688 U CN201620290688 U CN 201620290688U CN 205650877 U CN205650877 U CN 205650877U
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- broken teeth
- milling cutter
- tooth
- head
- roughing milling
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Abstract
The utility model provides a thick milling cutter of broken teeth, it includes: head, the transition portion that is connected with this head and the stalk portion of being connected with this transition portion, the head is equipped with a plurality of cutting edges and is located the chip groove between this adjacent cutting edge, wherein, a plurality of cutting edges are evenly distributed's broken teeth structure. Through being the broken teeth structure with cutting tip design, when strengthening its chip breaking ability, strengthened the rigidity of broken teeth, reduce the broken teeth and because of intensity collapses the possibility of damage inadequately, increased the bulk strength of cutter, improved the life -span and the wearability of cutter, this thick milling cutter of broken teeth, when processing vortex groove, life is longer, and can keep better chip breaking function, this thick milling cutter of broken teeth extensively is applicable to milling of vortex groove.
Description
Technical field
This utility model belongs to milling cutter technical field, particularly relates to a kind of broken teeth roughing milling cutter.
Background technology
Groove in processing vortex housing, owing to blank contains pre-groove, uses roughing milling cutter to add between two parties
Work groove milling, cutting-in 4xd1 (d1 is tool blade footpath), milling cutter both sides simultaneously participate in cutting, cut width
The most about 1mm, linear velocity 70m/min, often rotate into 0.14mm/r.Workpiece material is HT250,
Hardness about HB220.Require that the upper and lower linearity of cell wall to be got well, and reach predetermined cutter life.
In the roughing of volution trough, owing to the groove of vortex shell is relatively deep, need draw ratio bigger
Cutter, and milling cutter both sides simultaneously participate in cutting, climb cutting upmilling alternately, discontinuity equalization,
The phenomenons such as the bad even breaking of chip breaking can be caused in the course of processing, thus affect cutter life.
Therefore, it is necessary to design a kind of new roughing milling cutter.
Utility model content
The purpose of this utility model is to provide and a kind of adds the bulk strength of cutter, improves
The life-span of cutter and the broken teeth roughing milling cutter of wearability.
This utility model discloses a kind of broken teeth roughing milling cutter, comprising: head is connected with this head
Transition part and the shank that is connected with this transition part, described head be provided with multiple cutting edge and
Chip area between this adjacent cutting sword, wherein, the plurality of cutting edge is evenly distributed
Broken teeth structure.
By cutting tip is designed in broken teeth structure, while strengthening its chip breaking ability, strengthen
The rigidity of broken teeth, reduces broken teeth and collapses the probability of damage because of insufficient strength, add cutter
Bulk strength, improve life-span and the wearability of cutter.
Wherein, knife face and before being positioned at above after described each cutting edge includes being positioned at cone below
Knife face.
Wherein, described broken teeth structure is three.
Wherein, whirlpool according to claim 3 broken teeth roughing milling cutter, it is characterised in that: described
Broken teeth structure includes the first tooth, the second tooth and the 3rd tooth circumferentially arranged, this first tooth,
Second tooth and the 3rd tooth are respectively equipped with equidistantly arrangement and the identical multiple arc sections of size,
The first section of arc section of each tooth distance between cutting edge end sword all differs.
By first section of arc section of three teeth that are in staggered distribution, strengthen the rigidity of this roughing milling cutter, simultaneously
Reduce the resonance produced in working angles.
Wherein, the first section of arc section of the described first tooth distance away from corresponding cutting end sword is L1,
The first section of arc section of the described second tooth distance away from corresponding cutting end sword is L2, the described 3rd
The first section of arc section of the tooth distance away from corresponding cutting end sword is L3, wherein, and L1 ＜ L2 ＜ L3.
Wherein, L1=(0.2～0.25) * d1, L2=(0.3～0.35) * d1, L3=(0.4～0.45)
* d1, wherein, d1 is the diameter of described head.
Wherein, the spacing between adjacent two arc sections is t, t=(0.45～0.5) * d1, its
In, d1 is the diameter of described head.
Wherein, the degree of depth of each arc section is p, p=(0.03～0.04) * d1, wherein, d1
Diameter for described head.
Wherein, the diameter of described head is identical with the diameter of described transition part.
Wherein, the diameter of described shank is more than or equal to the diameter of described head.
This broken teeth roughing milling cutter, when processing volution trough, service life is longer, and can keep preferable
Chip breaking function；This broken teeth roughing milling cutter is widely used in the milling of volution trough.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model broken teeth roughing milling cutter；
Fig. 2 is the structural representation of the head of broken teeth roughing milling cutter shown in Fig. 1；
Fig. 3 is that head shown in Fig. 1 is at the sectional view in A-A direction；
Fig. 4 is the structural representation of this utility model broken teeth roughing milling cutter；
Fig. 5 is the sectional view of the head of broken teeth roughing milling cutter shown in Fig. 4；
Fig. 6 is the schematic shapes of the first tooth of broken teeth roughing milling cutter shown in Fig. 5；
Fig. 7 is the schematic shapes of the second tooth of broken teeth roughing milling cutter shown in Fig. 5；
Fig. 8 is the schematic shapes of the 3rd tooth of broken teeth roughing milling cutter shown in Fig. 5.
Detailed description of the invention
This utility model discloses a kind of broken teeth roughing milling cutter, and it is in automated machine with equipment
Advanced machinery equipment and device high speed, superhard precision cutting tool, a kind of round broken teeth is thick
Processing slotting cutter, can be applicable to the roughing of vortex housing.
As it is shown in figure 1, this broken teeth roughing milling cutter 100 includes: head 10 and this head 10 are even
The transition part 20 connect and the shank 30 being connected with this transition part 20, wherein, shown transition
The one end in portion 20 is connected with described shank 30, the other end of this transition part 20 and described and head
Portion 10 connects.
Described head 10 is provided with three cutting edges 11 at equal intervals, adjacent cutting edge 11 it
Between be provided with chip area 12.
A diameter of d1 of described head 10, a length of L4 of this head 10, it is typically than milling
Cut the degree of depth big 3～5mm, the milling depth that guarantee is enough；The diameter of described transition part 20
Being d1, this transition part 20, compared with described head 10, does not process chip area 12 and cutting yet
Sword 11；A diameter of d2 of described shank 30, ordinary circumstance, d2 is more than or equal to d1
Little even number value, a length of L5 of this shank 30 designs it according to standard DIN6535-HA；This
The overall length of broken teeth roughing milling cutter 100 be L6, L6 be head 10, transition part 20 and shank 30
Length sum.
Referring to shown in Fig. 2 and Fig. 3, described each cutting edge 11 includes the cone being positioned at below
Rear knife face 15 and be positioned at rake face 14 above.
The profile of the cutting edge 11 of this roughing milling cutter 1 is a kind of equally distributed circular broken teeth structure,
And whole cutting edge 11 is circular broken teeth structure, this circle broken teeth is vertical with this roughing milling cutter 1 axis
Directly, and there is 5 °～the radial clearance angle of 10 °.
The cutting tip profile design of this volution trough circle broken teeth roughing milling cutter is a kind of circular broken teeth
Slotting cutter, remove cutting edge 11, chip area 12 and shank 30 that normal milling cutter is had
(as shown in Figure 1), the circular broken teeth structure that described cutting edge 11 is evenly distributed, this circle
Broken teeth structure is three.
By cutting tip is designed in broken teeth structure, by force while its chip breaking ability, enhance
The rigidity of broken teeth, reduces broken teeth and collapses the probability of damage because of insufficient strength, add cutter
Bulk strength, improves life-span and the wearability of cutter.
Referring to shown in Fig. 4 and Fig. 5, this circle broken teeth structure includes first circumferentially arranged
Tooth the 15, second tooth 16 and the 3rd tooth 17, refer to shown in Fig. 6 to Fig. 8, and this is first years old
It is identical that tooth the 15, second tooth 16 and the 3rd tooth 17 are respectively equipped with equidistantly arrangement and size
Multiple arc sections 151,161,171.
The distance of the first section of arc section 151 of the described first tooth 15 cutting end sword away from this roughing milling cutter
For L1；The distance of the first section of arc section of the described second tooth 16 cutting end sword away from this roughing milling cutter is
L2；The distance of the first section of arc section of the described 3rd tooth 17 cutting end sword away from this roughing milling cutter is L3,
Wherein, described L1, L2 and L3 all differ, it may be assumed that first section of arc section of each tooth away from
Distance between cutting edge end all differs.In the present embodiment, L1 ＜ L2 is less than L3.
Wherein, L1=(0.2～0.25) * d1, L2=(0.3～0.35) * d1, L3=(0.4～0.45)
* d1, d1 are the diameter of described head 10
By first section of arc section of three teeth that are in staggered distribution, strengthen the rigidity of this roughing milling cutter, simultaneously
Reduce the resonance produced in working angles.
Spacing between adjacent two arc sections 151,161,171 is t, t=(0.45～0.5)
* d1, by ensureing certain spacing between adjacent two arc sections, thus ensures rational chip
Length；The radius of each arc section 151,161,171 is that R, R are equal to (0.1～0.15)
*d1；The degree of depth of each arc section 151,161,171 is that p, p are equal to (0.03～0.04)
* d1, rational radius and the degree of depth make cutter in working angles, can keep preferable chip breaking
Function, and enhance the rigidity of broken teeth.Arc section parameter can be according to tool diameter and different answering
It is adjusted correspondingly by occasion.
By cutting tip is designed in broken teeth structure, while strengthening its chip breaking ability, strengthen
The rigidity of broken teeth, reduces broken teeth and collapses the probability of damage because of insufficient strength, add cutter
Bulk strength, improve life-span and the wearability of cutter.
This broken teeth roughing milling cutter, when processing volution trough, service life is longer, and can keep preferable
Chip breaking function；This broken teeth roughing milling cutter is widely used in the milling of volution trough.
Above specific embodiment of the utility model is described in detail, but content has been only this
The exemplary embodiments that utility model is created, it is impossible to be considered for limiting what this utility model was created
Practical range.All impartial changes made according to this utility model creation application range and improvement etc.,
Within all should still belonging to patent covering scope of the present utility model.
Claims (10)
1. a broken teeth roughing milling cutter, it is characterized in that, comprising: the transition part that is connected with this head of head and the shank that is connected with this transition part, described head is provided with multiple cutting edge and the chip area between this adjacent cutting sword, wherein, the broken teeth structure that the plurality of cutting edge is evenly distributed.
Broken teeth roughing milling cutter the most according to claim 1, it is characterised in that: described each cutting edge include being positioned at cone below after knife face and be positioned at rake face above.
Broken teeth roughing milling cutter the most according to claim 1 and 2, it is characterised in that: described broken teeth structure is three.
Broken teeth roughing milling cutter the most according to claim 3, it is characterized in that: described broken teeth structure includes the first tooth, the second tooth and the 3rd tooth circumferentially arranged, this first tooth, the second tooth and the 3rd tooth are respectively equipped with equidistantly arrangement and the identical multiple arc sections of size, and the first section of arc section of each tooth distance between cutting edge end sword all differs.
Broken teeth roughing milling cutter the most according to claim 4, it is characterized in that: the first section of arc section of the described first tooth distance away from corresponding cutting end sword is L1, the first section of arc section of the described second tooth distance away from corresponding cutting end sword is L2, the first section of arc section of the described 3rd tooth distance away from corresponding cutting end sword is L3, wherein, L1 ＜ L2 ＜ L3.
Broken teeth roughing milling cutter the most according to claim 5, it is characterised in that: L1=(0.2～0.25) * d1, L2=(0.3～0.35) * d1, L3=(0.4～0.45) * d1, wherein, d1 is the diameter of described head.
Broken teeth roughing milling cutter the most according to claim 3, it is characterised in that: the spacing between adjacent two arc sections is t, t=(0.45～0.5) * d1, and wherein, d1 is the diameter of described head.
Broken teeth roughing milling cutter the most according to claim 3, it is characterised in that: the degree of depth of each arc section is p, p=(0.03～0.04) * d1, and wherein, d1 is the diameter of described head.
Broken teeth roughing milling cutter the most according to claim 1, it is characterised in that: the diameter of described head is identical with the diameter of described transition part.
Broken teeth roughing milling cutter the most according to claim 1 and 2, it is characterised in that: the diameter of described shank is more than or equal to the diameter of described head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290688.6U CN205650877U (en) | 2016-04-08 | 2016-04-08 | Thick milling cutter of broken teeth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620290688.6U CN205650877U (en) | 2016-04-08 | 2016-04-08 | Thick milling cutter of broken teeth |
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| Publication Number | Publication Date |
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| CN205650877U true CN205650877U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620290688.6U Active CN205650877U (en) | 2016-04-08 | 2016-04-08 | Thick milling cutter of broken teeth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618828A (en) * | 2016-04-08 | 2016-06-01 | 苏州阿诺精密切削技术股份有限公司 | Fracture-toothed rough milling cutter |
| CN109811818A (en) * | 2019-02-27 | 2019-05-28 | 江苏徐工工程机械研究院有限公司 | A kind of two-wheel flute milling machine pick milling wheel |
-
2016
- 2016-04-08 CN CN201620290688.6U patent/CN205650877U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618828A (en) * | 2016-04-08 | 2016-06-01 | 苏州阿诺精密切削技术股份有限公司 | Fracture-toothed rough milling cutter |
| CN109811818A (en) * | 2019-02-27 | 2019-05-28 | 江苏徐工工程机械研究院有限公司 | A kind of two-wheel flute milling machine pick milling wheel |
| CN109811818B (en) * | 2019-02-27 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Cutting pick milling wheel of double-wheel slot milling machine |
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| GR01 | Patent grant |