CN208825653U - Double-pole Slot shaping angle cutting tool - Google Patents
Double-pole Slot shaping angle cutting tool Download PDFInfo
- Publication number
- CN208825653U CN208825653U CN201821652250.3U CN201821652250U CN208825653U CN 208825653 U CN208825653 U CN 208825653U CN 201821652250 U CN201821652250 U CN 201821652250U CN 208825653 U CN208825653 U CN 208825653U
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- blade
- cutter groove
- angle
- anterior angle
- double
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- 238000007493 shaping process Methods 0.000 title claims abstract description 18
- 238000003801 milling Methods 0.000 claims abstract description 31
- 210000001699 lower leg Anatomy 0.000 claims abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting Effects 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
Abstract
The utility model provides a kind of double-pole Slot shaping angle cutting tool, including shank section and the milling portion being connect with shank section, milling portion has been distributed uniformly and circumferentially multiple spiral first cutter grooves, the first blade and the second blade are equipped between adjacent two first cutter groove, first blade is located at the middle part in milling portion, second blade is located at the end in milling portion, the second cutter groove of the anterior angle for changing the second blade is equipped in the first cutter groove, so that the anterior angle of the first blade is equal with the anterior angle of the second blade.Due to by opening up spiral first cutter groove, to form the first blade and the second blade, the second cutter groove is opened up in the first cutter groove again, change the anterior angle of the second blade by the second cutter groove, so that the anterior angle of the first blade and the anterior angle of the second blade are consistent, so that the anterior angle of the second blade is passivated, improve the rigidity of the second blade, so that cutter stress in milling is consistent, the risk of tipping occurs when reducing tool sharpening, improves cutting-tool's used life.
Description
Technical field
The utility model relates to milling cutter field more particularly to a kind of double-pole Slot shaping angle cutting tools.
Background technique
Milling cutter is for Milling Process, the rotary cutter with one or more cutters tooth.When work each cutter tooth successively between
Cut the surplus of workpiece with having a rest.Milling cutter is mainly used for processing plane, step, groove, forming surface and cutting workpiece on milling machine
Deng.
The periphery of more existing milling cutter and bottom have cutting edge, since the milling cutter is provided only with a kind of cutter groove, nothing
Method, which is taken into account, guarantees that anterior angle when the first sword sword of periphery is processed with the second sword sword of bottom is consistent, with the first sword sword of periphery
When calculating anterior angle, as shown in Fig. 3, in the coordinate system diagram on the left side, tangent line and y of the cutter groove at endpoint (i.e. at the first blade)
Fixture α between axis is the anterior angle of the first sword sword of periphery, and in coordinate system diagram on the right, cutter groove is (i.e. second at endpoint
At blade) tangent line and y-axis between fixture β be periphery the second sword sword anterior angle, the anterior angle α of the first sword sword of periphery
For positive rake angle, the preceding angle beta of the second sword sword of bottom is negative anterior angle, causes to process resistance and increases, and burr is big；Such as with the second of bottom
When sword sword calculates anterior angle, the anterior angle of the first sword sword of periphery can be more much larger than the anterior angle of the second sword sword of bottom, leads to cutter
Easy tipping when processing, to influence service life.
Utility model content
The purpose of this utility model is to provide a kind of consistent double-pole Slot shapings of anterior angle of certifiable two cutting edge of front and back
Angle cutting tool improves cutting-tool's used life so that the risk of tipping occur when reducing tool sharpening.
To achieve the above object, the utility model provides a kind of double-pole Slot shaping angle cutting tool, including shank section and with
The milling portion of the shank section connection, the milling portion have been distributed uniformly and circumferentially multiple spiral first cutter grooves,
The first blade and the second blade are formed between adjacent two first cutter groove, first blade is located in the milling portion
Portion, second blade are located at the end in the milling portion, are equipped in first cutter groove for changing second blade
Second cutter groove of anterior angle, so that the anterior angle of first blade is equal with the anterior angle of second blade.
Preferably, being equipped with chamfering between first blade and second blade.
Preferably, the hand of spiral of first cutter groove is right-hand screw.
Preferably, the sword diameter of first blade is bigger than the sword diameter of the second blade.
Preferably, first blade and second blade are right sword.
Preferably, the helical angle size of first cutter groove is within the scope of 30 ° -40 °.
Compared with prior art, since the double-pole Slot shaping angle cutting tool of the utility model is by opening up spiral
One cutter groove to form the first blade and the second blade, then opens up the second cutter groove in the first cutter groove, is changed by the second cutter groove
The anterior angle of second blade, so that the anterior angle of the first blade and the anterior angle of the second blade are consistent, thus by before the second blade
Angle is passivated, and improves the rigidity of the second blade, so that cutter stress in milling is consistent, tipping occurs when reducing tool sharpening
Risk, improve cutting-tool's used life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double-pole Slot shaping angle cutting tool of the utility model.
Fig. 2 is the front view of the double-pole Slot shaping angle cutting tool of the utility model.
Fig. 3 be provided only with the first cutter groove and with the first sword sword of periphery calculate anterior angle when periphery the first sword sword before
The schematic diagram of the anterior angle of the second sword sword at angle and bottom.
Fig. 4 be in Fig. 1 anterior angle schematic diagram and second blade of first blade at the section of A-A at the section of B-B
Anterior angle schematic diagram.
Specific embodiment
In order to which the technology contents, construction feature of the utility model is described in detail, below in conjunction with embodiment and cooperate attached drawing
It is described further.
Fig. 1, Fig. 2 and Fig. 4 are please referred to, the double-pole Slot shaping angle cutting tool 100 of the utility model includes shank section 1 and and knife
The milling portion 2 that shank 1 connects, milling portion 2 have been distributed uniformly and circumferentially multiple spiral first cutter grooves 21, and adjacent two
The first blade 22 and the second blade 23 are formed between first cutter groove 21, the first blade 22 is located at the middle part in milling portion 2, the second blade
23 are located at the end in milling portion 2；The second cutter groove 25 of the anterior angle for changing the second blade 23 is equipped in first cutter groove 21, so that
The anterior angle of first blade 22 is equal with the anterior angle of the second blade 23, at the A-A of Fig. 4 in, the first cutter groove 21 is (i.e. at endpoint
At one blade 22) tangent line and y-axis between the angle α that is formed be the first blade 22 anterior angle, at the B-B of Fig. 4 in, the second knife
The angle β that slot 25 is formed between the tangent line and y-axis at endpoint (i.e. at the second blade 23) is the anterior angle of the second blade 23, is passed through
The second cutter groove 25 is opened in the first cutter groove 21, the second blade 23 is passivated, so that the preceding angle beta of the second blade 23 and the first knife
The anterior angle α of sword 22 is consistent, i.e. α=β, to improve the rigidity of the second blade 23, it is notable that due to mismachining tolerance
With the reasons such as precision, the anterior angle α of the preceding angle beta of the second blade 23 and the first blade 22 can also be roughly equal；Specifically, the first blade
22 sword diameter is bigger than the sword diameter of the second blade 23；It is equipped with chamfering 24 between first blade 22 and the second blade 23, passes through the chamfering
24, so that cutter can be to product milling chamfering 24 in processing.Due to the first blade 22 formed when only opening up the first cutter groove 21
Differ larger with the anterior angle of the second blade 23, it is consistent with the anterior angle of the second blade 23 not can guarantee the first blade 22, this is practical new
The double-pole Slot shaping angle cutting tool 100 of type by opening up the second cutter groove 25 in end in original first cutter groove 21, thus
The anterior angle of changeable second blade 23 reduces knife so that the anterior angle of the first blade 22 and the anterior angle of the second blade 23 are consistent
The risk of tipping occurs when tool processing.
Referring to Fig. 2, in the present embodiment, the hand of spiral of the first cutter groove 21 is right-hand screw, the first blade 22 and second
Blade 23 is right sword, i other words, the double-pole Slot shaping angle cutting tool 100 of the utility model is right sword right spiral milling cutter, double
When cutter groove forms the progress Milling Process of angle cutting tool 100, chip can be excluded along the first cutter groove 21 from 1 direction of shank section, to protect
The even running for demonstrate,proving Milling Process, to avoid chip from impacting the surface of processing, to improve the surface quality of product
And further increase cutting-tool's used life.Specifically, when helical angle is excessive, the contact point in blade and other cutting face is more,
Blade can be very sharp, and the rigidity of cutter is deteriorated, easy turned, tipping, so that cutting-tool's used life is influenced, therefore in the present embodiment,
The helical angle size of first cutter groove 21 is within the scope of 30 ° -40 °.It is rough milled and finish-milling for general, can need to use 30 ° of spiral
When for the processing smaller light-alloy of cutting resistance 40 degree of helical angle can be selected, if above-mentioned feelings between the two in angle
Condition can choose the unspecified angle between 30 ° -40 °.
To sum up, since the double-pole Slot shaping angle cutting tool 100 of the utility model is by opening up spiral first cutter groove
21, to form the first blade 22 and the second blade 23, then the second cutter groove 25 is opened up in the first cutter groove 21, pass through the second cutter groove 25
Change the anterior angle of the second blade 23, so that the anterior angle α of the first blade 22 and the anterior angle of the second blade 23 be consistent, thus will
The preceding angle beta of second blade 23 is passivated, and improves the rigidity of the second blade 23, so that cutter stress in milling is consistent, is reduced
The risk that tipping occurs when tool sharpening improves cutting-tool's used life, and then guarantees the surface quality of the product of tool sharpening,
So that the product surface lines and service life of processing are met the requirements.
Above disclosed is only the preferred embodiments of the utility model, and the power of the utility model cannot be limited with this
Sharp range, therefore equivalent variations made according to the claim of the utility model belong to the range that the utility model is covered.
Claims (6)
1. a kind of double-pole Slot shaping angle cutting tool, which is characterized in that including shank section and the milling portion being connect with the shank section,
The milling portion has been distributed uniformly and circumferentially multiple spiral first cutter grooves, shape between adjacent two first cutter groove
At the first blade and the second blade, first blade is located at the middle part in the milling portion, and second blade is located at the milling
It cuts the end in portion, the second cutter groove of the anterior angle for changing second blade is equipped in first cutter groove, so that described the
The anterior angle of one blade is equal with the anterior angle of second blade.
2. double-pole Slot shaping angle cutting tool according to claim 1, which is characterized in that first blade and described second
Chamfering is equipped between blade.
3. double-pole Slot shaping angle cutting tool according to claim 1, which is characterized in that the hand of spiral of first cutter groove
For right-hand screw.
4. double-pole Slot shaping angle cutting tool according to claim 1, which is characterized in that the sword diameter of first blade is than
The sword diameter of two blades is big.
5. double-pole Slot shaping angle cutting tool according to claim 1, which is characterized in that first blade and described second
Blade is right sword.
6. double-pole Slot shaping angle cutting tool according to claim 1, which is characterized in that the helical angle of first cutter groove is big
It is small to be within the scope of 30 ° -40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652250.3U CN208825653U (en) | 2018-10-11 | 2018-10-11 | Double-pole Slot shaping angle cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652250.3U CN208825653U (en) | 2018-10-11 | 2018-10-11 | Double-pole Slot shaping angle cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208825653U true CN208825653U (en) | 2019-05-07 |
Family
ID=66318844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821652250.3U Active CN208825653U (en) | 2018-10-11 | 2018-10-11 | Double-pole Slot shaping angle cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208825653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718955B (en) * | 2020-05-28 | 2021-02-11 | 鴻安國際興業有限公司 | Rotary cutter |
-
2018
- 2018-10-11 CN CN201821652250.3U patent/CN208825653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI718955B (en) * | 2020-05-28 | 2021-02-11 | 鴻安國際興業有限公司 | Rotary cutter |
| US11458549B2 (en) | 2020-05-28 | 2022-10-04 | Hong Ann Tool Industries Co., Ltd. | Deburring chamfer tool |
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| GR01 | Patent grant |