CN208825653U - Double-pole Slot shaping angle cutting tool - Google Patents

Double-pole Slot shaping angle cutting tool Download PDF

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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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CN
China
Prior art keywords
blade
cutter groove
angle
milling
anterior angle
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Active
Application number
CN201821652250.3U
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Chinese (zh)
Inventor
皮建峰
周梓铭
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Dongguan Long Shiwei Precision Tools Co Ltd
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Dongguan Long Shiwei Precision Tools Co Ltd
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Priority to CN201821652250.3U priority Critical patent/CN208825653U/en
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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

Double-pole Slot shaping angle cutting tool
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 °.
CN201821652250.3U 2018-10-11 2018-10-11 Double-pole Slot shaping angle cutting tool Active CN208825653U (en)

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

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CN201821652250.3U Active CN208825653U (en) 2018-10-11 2018-10-11 Double-pole Slot shaping angle cutting tool

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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