CN109590525A - A kind of mobile phone center specific complex slotting cutter and mobile phone center method for milling - Google Patents

A kind of mobile phone center specific complex slotting cutter and mobile phone center method for milling Download PDF

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Publication number
CN109590525A
CN109590525A CN201811488597.3A CN201811488597A CN109590525A CN 109590525 A CN109590525 A CN 109590525A CN 201811488597 A CN201811488597 A CN 201811488597A CN 109590525 A CN109590525 A CN 109590525A
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CN
China
Prior art keywords
mobile phone
milling
slotting cutter
phone center
chamfering
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811488597.3A
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Chinese (zh)
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CN109590525B (en
Inventor
李帅
黄喜明
马旭泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jieyao Precision Hardware (Shenzhen) Co.,Ltd.
Original Assignee
Dongguan Chitwing Technology Co Ltd
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Publication date
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Priority to CN201811488597.3A priority Critical patent/CN109590525B/en
Publication of CN109590525A publication Critical patent/CN109590525A/en
Application granted granted Critical
Publication of CN109590525B publication Critical patent/CN109590525B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/10Shank-type cutters, i.e. with an integral shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/20Number of cutting edges

Abstract

The invention discloses a kind of mobile phone center specific complex slotting cutter and mobile phone center method for milling, wherein mobile phone center specific complex slotting cutter includes: shank and cutting edge, and wherein cutting edge includes: the chamfering blades set gradually, Zhou Ren and shear blade;The Zhou Ren is extended vertically downward by chamfering blades lower end, for carrying out milling to middle part container side wall when chamfering blades mill out and face the wall and meditate chamfering;The shear blade and all swords lower end flush, for carrying out milling to middle part container bottom wall and center top surface.Based on this, mobile phone center specific complex slotting cutter provided by the present invention can be while carrying out milling to middle part container side wall, face the wall and meditate the processing of a chamfering, save tool change time, after first milling side wall in chamfer process can overlapping time, improve production efficiency;Meanwhile middle part can be accommodated groove sidewall as the plane of reference by the processing for a chamfering of facing the wall and meditating, and guaranteed chamfering angle size stable and uniform, improved product yield.

Description

A kind of mobile phone center specific complex slotting cutter and mobile phone center method for milling
Technical field
The present invention relates to mobile phone center method for milling technical field more particularly to a kind of mobile phone center specific complex are vertical Milling cutter and mobile phone center method for milling.
Background technique
The main cutting edge of conventional end mill is that the cutting edge on cylindrical surface, on end face is end cutting edge;There is no center sword Slotting cutter work when cannot make feed motion along the axial direction of milling cutter.
Milling cutter is generally divided into:
1. flat-end cutter carries out finish-milling or rough mills, mills groove, remove a large amount of blanks, small area horizontal plane or profile finish-milling;
2. rose cutter carries out half finish-milling of curved surface and finish-milling;Pocket knife can be with the small chamfering of finish-milling sheer face/straight wall;
3. round nose milling cutter, progress curved surface variation is smaller, and narrow sunk area is less, and relatively flat region is more to rough mill;
4. flat-end cutter band chamfering, can rough mill a large amount of blanks of removal, can also the thin burnishing surface of finish-milling (relative to sheer face) it is small fall Angle;
5. profile milling cutter, including rose reamer, T shape milling cutter or it is drum type knife, flute profile knife, interior R knife;
6. rose reamer, rose reamer shape is identical as chamfer shape, is divided into the milling cutter of milling rounded corner and ramp down angle;
7.T type knife, millable T-slot;
8. flute profile knife mills out various flute profiles, such as gear;
9. rough bark knife can rapid processing for the roughing milling cutter of aluminium copper cutting design.
After moulding, structure is as shown in Figure 1 for mobile phone center, comprising: center top surface 10 and middle part container 20, middle part The sidewall upper and center top surface flush of container 20.Injection molding formed after, mobile phone center also need carry out center top surface 10 and Middle part accommodates the chamfering between the milling and center top surface 10 and middle part receiving groove sidewall 21 of groove sidewall 21, milling and chamfering Mobile phone center shape after the completion is as shown in Figures 2 and 3, wherein label 15 is a chamfering of facing the wall and meditating.
The prior art needs to carry out the processing of center top surface and middle part receiving groove sidewall using end mill(ing) cutter, and uses rose reamer The processing for carrying out chamfering, takes a long time, production efficiency is lower.
As it can be seen that the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of mobile phone center specific complex slotting cutters And mobile phone center method for milling, it is intended to solve the prior art and need to carry out center top surface and middle part receiving groove sidewall using end mill(ing) cutter Processing, and use rose reamer carry out chamfering processing, take a long time, the lower problem of production efficiency.
Technical scheme is as follows:
A kind of mobile phone center specific complex slotting cutter, comprising: shank and cutting edge, wherein the cutting edge includes: to set gradually Chamfering blades, Zhou Ren and shear blade;The Zhou Ren is extended vertically downward by chamfering blades lower end, is faced the wall and meditated for milling out in chamfering blades Between chamfering when, to middle part container side wall carry out milling;The shear blade and all swords lower end flush, for middle part container bottom Wall and center top surface carry out milling.
In further preferred embodiment, mobile phone center specific complex slotting cutter further include: chip pocket, the chip pocket by Shank lower end extends downward into shear blade.
In further preferred embodiment, the chip pocket is arranged at intervals with three, and chip pocket is dextrorotation chip pocket.
In further preferred embodiment, the helical angle of the chip pocket is 30 °.
In further preferred embodiment, the length of the cutting edge accounts for the 3.71% ~ 3.77% of compound slotting cutter overall length, In, the length that chamfering blades project on compound slotting cutter axis accounts for the height of 1.72% ~ 1.76%, Zhou Ren of compound slotting cutter overall length Account for the 1.99% ~ 2.01% of compound slotting cutter overall length.
In further preferred embodiment, the length of the Zhou Ren is between 0.86mm ~ 0.88mm.
In further preferred embodiment, the diameter of the Zhou Ren is in 7.99mm between 8.01mm.
In further preferred embodiment, the gradient of the chamfering blades is 44.5 ° ~ 45.5 °.
A kind of mobile phone center method for milling realized based on mobile phone center specific complex slotting cutter as described above comprising step It is rapid:
Chamfering blades face the wall and meditate the processing of a chamfering, while all swords carry out the milling of middle part receiving groove sidewall, until falling between facing the wall and meditating Angle processing and the milling of middle part receiving groove sidewall are all completed;
Shear blade successively carries out the milling of center top surface and middle part receiving groove bottom wall.
Compared with prior art, mobile phone center specific complex slotting cutter provided by the invention, shank and cutting edge, wherein cutting Cutting sword includes: the chamfering blades set gradually, Zhou Ren and shear blade;The Zhou Ren is extended vertically downward by chamfering blades lower end, is used In when chamfering blades mill out and face the wall and meditate chamfering, milling is carried out to middle part container side wall;The shear blade and all swords lower end flush, For carrying out milling to middle part container bottom wall and center top surface.Based on this, mobile phone center specific complex provided by the present invention Slotting cutter, can be while carrying out milling to middle part container side wall, the processing for the chamfering that face the wall and meditate, when saving tool changing Between, after first milling side wall in chamfer process can overlapping time, improve production efficiency;Meanwhile the processing for a chamfering of facing the wall and meditating can incite somebody to action Middle part accommodates groove sidewall as the plane of reference, guarantees chamfering angle size stable and uniform, improves product yield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at the first visual angle of mobile phone center formed after injection molding.
Fig. 2 is the structural schematic diagram at the second visual angle of mobile phone center formed after injection molding.
Fig. 3 is the enlarged drawing of part A in Fig. 2.
Fig. 4 is the structural schematic diagram at first visual angle of mobile phone center specific complex slotting cutter preferred embodiment of the present invention.
Fig. 5 is the structural schematic diagram at second visual angle of mobile phone center specific complex slotting cutter preferred embodiment of the present invention.
Fig. 6 is the enlarged drawing of part A in Fig. 5.
Fig. 7 is the structural schematic diagram at mobile phone center specific complex slotting cutter preferred embodiment third of the present invention visual angle.
Fig. 8 is the enlarged drawing of part B in Fig. 7.
Specific embodiment
The present invention provides a kind of mobile phone center specific complex slotting cutter and mobile phone center method for milling, to make mesh of the invention , technical solution and effect it is clearer, clear, referring to the drawings and give an actual example that the present invention is described in more detail.It answers Work as understanding, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
Fig. 1 is the structural schematic diagram at the first visual angle of mobile phone center after injection molding;Fig. 2 is mobile phone center formed after injection molding The structural schematic diagram at the second visual angle;Fig. 3 is the enlarged drawing of part A in Fig. 2.Because mobile phone middle frame structure is varied, and the present invention With the structure in addition to center top surface 10 and middle part container and onrelevant, therefore, the present invention not to Fig. 1 inner central frame top surface 10 and in Groove, hole and protrusion on portion's container 20 etc. are illustrated.
Fig. 4 is the structural schematic diagram at first visual angle of mobile phone center specific complex slotting cutter preferred embodiment of the present invention;Fig. 5 is The structural schematic diagram at second visual angle of mobile phone center specific complex slotting cutter preferred embodiment of the present invention;Fig. 6 is part A in Fig. 5 Enlarged drawing;Fig. 7 is the structural schematic diagram at mobile phone center specific complex slotting cutter preferred embodiment third of the present invention visual angle;Fig. 8 is The enlarged drawing of part B in Fig. 7.
As shown in Fig. 4 to Fig. 8, mobile phone center specific complex slotting cutter provided by the present invention, comprising: shank 100 and cut Cut sword.Unlike main cutting edge and end cutting edge is arranged from slotting cutter in the prior art, the cutting edge in the present invention is provided with Three blades: three blades are respectively chamfering blades 210, Zhou Ren 220 and the shear blade 230 set gradually.
Processing of the chamfering blades 210 for a chamfering of facing the wall and meditating (chamfering of facing the wall and meditating in Fig. 3 is with the mark of label 15), in face Between wall in the process of chamfering, unlike the prior art have two o'clock: 1, chamfering blades 210 and all swords 220 be simultaneously in the present invention Work, the former chamfering the latter then carry out the milling of middle part receiving groove sidewall;2, receiving groove sidewall in the fitting of Zhou Ren 220 middle part can be The chamfer process of chamfering blades 210 provides reference, to guarantee the stable and uniform of chamfering.First point of processing that can be improved mobile phone center The product yield of mobile phone center can be improved in efficiency, second point;That is, being extended vertically downward using 210 lower end of chamfering blades The structure for forming all swords 220 is simultaneously operable chamfering blades 210 with all swords 220, has both improved the processing efficiency of mobile phone center, The product yield of mobile phone center is improved again.
In the present invention further in preferred embodiment, the length of the cutting edge account for compound slotting cutter overall length 3.71% ~ 3.77%, wherein the length that chamfering blades 210 project on compound slotting cutter axis account for compound slotting cutter overall length 1.72% ~ The height of 1.76%, Zhou Ren 220 accounts for the 1.99% ~ 2.01% of compound slotting cutter overall length.
In the specific implementation, the length of the preferably all swords 220 of the present invention is between 0.86mm ~ 0.88mm, further for 0.87mm;And its diameter in 7.99mm between 8.01mm, in particular 8mm.
The gradient that the chamfering blades 210 are further arranged is 44.5 ° ~ 45.5 °, in particular 45 °.
The shear blade 230 and 220 lower end flush of all swords, for being milled to middle part container bottom wall and center top surface It cuts.That is, compound slotting cutter provided by the present invention can a knife three use: chamfering, milling side wall (side wall has arcwall face, also has Plane) and milling flat.
By the setting of shear blade 230, make the present invention center top surface, middle part receiving groove sidewall, middle part receiving groove bottom wall and Before the chamfering whole milling of facing the wall and meditating is completed, no replacement is required cutter further increases the processing efficiency of mobile phone center.
In the present invention further preferred embodiment, mobile phone center specific complex slotting cutter further include: chip pocket 150, The chip pocket 150 extends downward into shear blade 230 by 100 lower end of shank.All swords 220 of conventional end mill are main cutting edges, are held Bits slot 150 is provided between all swords 220, i.e., chip pocket 150 is all opened in blade;The present invention is then different, holds in the present invention Bits slot 150 is predominantly located in 100 lower end of shank, and only the lower end of chip pocket 150 penetrates through cutting edge, and scrap is made to be easier to enter appearance bits Slot 150.
Further, the chip pocket 150 is arranged at intervals with three, and chip pocket 150 is dextrorotation chip pocket 150, spiral shell Swing angle is 30 °.
The present invention also provides a kind of mobile phone center millings of realization based on above-mentioned mobile phone center specific complex slotting cutter Method comprising steps are as follows:
Chamfering blades face the wall and meditate the processing of a chamfering, while all swords carry out the milling of middle part receiving groove sidewall, until falling between facing the wall and meditating Angle processing and the milling of middle part receiving groove sidewall are all completed;
Shear blade successively carries out the milling of center top surface and middle part receiving groove bottom wall.
In the specific implementation, the milling of center top surface and/or middle part receiving groove bottom wall can be first carried out, then between being faced the wall and meditated The processing of chamfering and middle part receiving groove sidewall;Can also first be carried out facing the wall and meditating the processing of a chamfering and middle part receiving groove sidewall, then into The milling of row center top surface and/or middle part receiving groove bottom wall.The present invention is not specifically limited in this embodiment.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention Protect range.

Claims (9)

1. a kind of mobile phone center specific complex slotting cutter, comprising: shank and cutting edge, which is characterized in that the cutting edge includes: Chamfering blades, Zhou Ren and the shear blade set gradually;The Zhou Ren is extended vertically downward by chamfering blades lower end, in chamfering blades It mills out when facing the wall and meditating chamfering, milling is carried out to middle part container side wall;The shear blade and all swords lower end flush, for middle part It accommodates groove bottom wall and center top surface carries out milling.
2. mobile phone center specific complex slotting cutter according to claim 1, which is characterized in that mobile phone center specific complex is vertical Milling cutter further include: chip pocket, the chip pocket extend downward into shear blade by shank lower end.
3. mobile phone center specific complex slotting cutter according to claim 2, which is characterized in that the chip pocket interval setting There are three, and chip pocket is dextrorotation chip pocket.
4. mobile phone center specific complex slotting cutter according to claim 3, which is characterized in that the helical angle of the chip pocket It is 30 °.
5. mobile phone center specific complex slotting cutter according to claim 1, which is characterized in that the length of the cutting edge accounts for The 3.71% ~ 3.77% of compound slotting cutter overall length, wherein the length that chamfering blades project on compound slotting cutter axis accounts for compound vertical milling The height of 1.72% ~ 1.76%, Zhou Ren of knife overall length accounts for the 1.99% ~ 2.01% of compound slotting cutter overall length.
6. mobile phone center specific complex slotting cutter according to claim 1, which is characterized in that the length of the Zhou Ren exists Between 0.86mm ~ 0.88mm.
7. mobile phone center specific complex slotting cutter according to claim 6, which is characterized in that the diameter of the Zhou Ren exists 7.99mm is between 8.01mm.
8. mobile phone center specific complex slotting cutter according to claim 1, which is characterized in that the gradient of the chamfering blades is 44.5°~45.5°。
9. in a kind of mobile phone realized based on the mobile phone center specific complex slotting cutter as described in any one of claim 1 to 8 Frame method for milling, which is characterized in that comprising steps of
Chamfering blades face the wall and meditate the processing of a chamfering, while all swords carry out the milling of middle part receiving groove sidewall, until falling between facing the wall and meditating Angle processing and the milling of middle part receiving groove sidewall are all completed;
Shear blade successively carries out the milling of center top surface and middle part receiving groove bottom wall.
CN201811488597.3A 2018-12-06 2018-12-06 Special composite end mill for mobile phone middle frame and mobile phone middle frame milling method Active CN109590525B (en)

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Application Number Priority Date Filing Date Title
CN201811488597.3A CN109590525B (en) 2018-12-06 2018-12-06 Special composite end mill for mobile phone middle frame and mobile phone middle frame milling method

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Application Number Priority Date Filing Date Title
CN201811488597.3A CN109590525B (en) 2018-12-06 2018-12-06 Special composite end mill for mobile phone middle frame and mobile phone middle frame milling method

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CN109590525B CN109590525B (en) 2020-10-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112327748A (en) * 2020-10-28 2021-02-05 东莞长盈精密技术有限公司 Mobile terminal, metal middle frame and contour curved surface processing method thereof
CN113385723A (en) * 2021-06-02 2021-09-14 东莞长盈精密技术有限公司 Milling cutter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10249805A (en) * 1997-03-17 1998-09-22 Sekisui Chem Co Ltd Router cutting edge
CN1666836A (en) * 2004-02-27 2005-09-14 兼房株式会社 End cutter with cutting edge
CN1972774A (en) * 2005-03-28 2007-05-30 Osg株式会社 Radius end mill
CN103328142A (en) * 2011-02-16 2013-09-25 日立工具股份有限公司 End mill for cutting of high-hardness materials
CN206912324U (en) * 2017-05-23 2018-01-23 东莞富兰地工具股份有限公司 Combination socket milling forming cutter
WO2018092351A1 (en) * 2016-11-15 2018-05-24 住友電工ハードメタル株式会社 Cutting tool and cutting method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10249805A (en) * 1997-03-17 1998-09-22 Sekisui Chem Co Ltd Router cutting edge
CN1666836A (en) * 2004-02-27 2005-09-14 兼房株式会社 End cutter with cutting edge
CN1972774A (en) * 2005-03-28 2007-05-30 Osg株式会社 Radius end mill
CN103328142A (en) * 2011-02-16 2013-09-25 日立工具股份有限公司 End mill for cutting of high-hardness materials
WO2018092351A1 (en) * 2016-11-15 2018-05-24 住友電工ハードメタル株式会社 Cutting tool and cutting method
CN206912324U (en) * 2017-05-23 2018-01-23 东莞富兰地工具股份有限公司 Combination socket milling forming cutter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112327748A (en) * 2020-10-28 2021-02-05 东莞长盈精密技术有限公司 Mobile terminal, metal middle frame and contour curved surface processing method thereof
CN113385723A (en) * 2021-06-02 2021-09-14 东莞长盈精密技术有限公司 Milling cutter
CN113385723B (en) * 2021-06-02 2022-09-06 东莞长盈精密技术有限公司 Milling cutter

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Effective date of registration: 20210305

Address after: 518000 building 12, 13, 16, 17, block a, Gonghe first industrial zone, Shajing street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: Jieyao Precision Hardware (Shenzhen) Co.,Ltd.

Address before: 523879 Xin'an Industrial Park, Chang'an Town, Dongguan City, Guangdong Province

Patentee before: CHITWING (DONGGUAN) TECHNOLOGY Co.,Ltd.

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