CN204799970U - Shaping cutter - Google Patents

Shaping cutter Download PDF

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Publication number
CN204799970U
CN204799970U CN201520359186.XU CN201520359186U CN204799970U CN 204799970 U CN204799970 U CN 204799970U CN 201520359186 U CN201520359186 U CN 201520359186U CN 204799970 U CN204799970 U CN 204799970U
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CN
China
Prior art keywords
cutting edge
face
molding cutter
flank
major
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Active
Application number
CN201520359186.XU
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Chinese (zh)
Inventor
李军旗
蒋益民
徐龙
占立峰
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.)
Shenzhen Fulian Jingjiang Technology Co ltd
Original Assignee
Jincheng Hongren Technology Co Ltd
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Priority to CN201520359186.XU priority Critical patent/CN204799970U/en
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Abstract

The utility model provides a shaping cutter, its includes cutter arbor and connecting in the blade of this cutter arbor one end, this cutter arbor of has rotation axis. This blade is made by the diamond, this blade utensil cutting edge, this cutting edge is the curve form, this cutting edge and this rotation axis coplane, and the rotation axis non -intersect of this cutting edge and this cutter arbor, at least, establish threely on this cutting edge, use this cutting edge to establish to origin of coordinate (0 apart from the rotation axis's of this cutter arbor solstics, 0 )As the reference, then other two points for the position coordinate of this initial point be respectively (1.350 0.02, 0.210 0.02 ), ( - 1.350 0.02, 0.210 0.02 ). The utility model provides a shaping cutter, the shape of its cutting edge only needs processing just once can reach the processing effect for to conform with required processing work piece position preforming structure, has improved the cutting power. And through guaranteeing the final precision of cutting edge in three point coordinates value tolerances, ensure the machining precision.

Description

Molding cutter
Technical field
The utility model relates to field of machining, particularly relates to a kind of molding cutter for processing and forming.
Background technology
At present, user is for electronic product, and the metal shell appearance requirement as touched panel computer, touch-screen mobile phone etc. is more and more harsher, wishes that new product profile local presents increasing curved surface effect.When tradition processes the product of above-mentioned tool curved portion, cutting edge shape and the product pre-form shape of the cutter usually adopted are not inconsistent, and cause machining accuracy not high.If need reach machining accuracy, then need repeatedly to process, working (machining) efficiency is lower.
Utility model content
In view of above content, be necessary to provide a kind of molding cutter can raising the efficiency and guarantee machining accuracy.
A kind of molding cutter, it comprises knife bar and is connected to the blade of this knife bar one end, and this knife bar has rotation.This blade is made up of diamond, this blade tool cutting edge, the curved shape of this cutting edge, this cutting edge and this rotation coplanar, and the rotation of this cutting edge and this knife bar is non-intersect, this cutting edge is at least established three points, be set to the origin of coordinates (0,0) as a reference with this cutting edge apart from the solstics of the rotation of this knife bar, then other two points are respectively (1.350 ± 0.02 relative to the position coordinates of this initial point, 0.210 ± 0.02), (-1.350 ± 0.02,0.210 ± 0.02).
Further, the scope of the radius of curvature of this cutting edge is 0.2mm to 5mm, and the profile tolerance of this cutting edge 31 is ± 0.03.
Further, this molding cutter also comprises rake face and rear knife face, and together with this rake face is installed in this knife bar, this cutting edge is formed at the joint of this rake face and this rear knife face, and this rear knife face relatively this rake face tilts and then forms a relief angle.
Further, the scope of this relief angle is 0 to 20 °.
Further, this molding cutter also comprises rake face, major first flank and the second rear knife face, together with this rake face is installed in this knife bar, this major first flank connects with this rake face, this second rear knife face connects with this major first flank and arranges away from this rake face, this cutting edge is formed at the joint of this rake face and this major first flank, and this major first flank relatively this rake face tilts and then forms the first relief angle, and this second rear knife face relatively this rake face tilts and then forms the second relief angle.
Further, this major first flank is different cambered surface from this second rear knife face, the cambered surface radius of this major first flank reduces towards this second rear knife face gradually from this cutting edge one end contiguous, and the cambered surface radius of this second rear knife face reduces towards the direction away from this major first flank gradually from this major first flank one end contiguous.
Further, the scope of this first relief angle is 0 to 15 °, and the scope of this second relief angle is 15 ° to 45 °.
Further, this knife bar comprises the body of rod, neck and installation portion, and this neck is connected between this body of rod and this installation portion, and this rake face connects with this installation portion.
Further, this neck is formed with escape groove away from this body of rod one end, and this escape groove extends to this installation portion and this cutting edge contiguous is arranged.
Further, the part of this neck this installation portion contiguous is composition surface, this installation portion and this composition surface vertical connection, this installation portion comprises interconnective installed surface, inclined-plane and lateral surface, this installed surface is perpendicular with this composition surface and together with being installed in this knife bar, the rotation of this inclined-plane this knife bar relative tilts, and this inclined-plane is positioned at side also contiguous this escape groove setting of this installation portion.
The molding cutter that the utility model provides, the shape of its cutting edge, for conform to required processing work position preform constructions, only need be processed and once just can reach processing effect, improve cutting power.And 3 points are at least set on cutting edge, the origin of coordinates (0 is set to the solstics of the rotation a of cutting edge distance knife bar, 0) be reference, then other two points are set to first point (1.350 ± 0.02 respectively relative to the position coordinates of this initial point, 0.210 ± 0.02) and second point (-1.350 ± 0.02,0.210 ± 0.02), this cutting edge ensures its final precision by this three point coordinates value tolerance, guarantees machining accuracy.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the molding cutter of the utility model embodiment.
Fig. 2 is the perspective exploded view of the molding cutter shown in Fig. 1.
Another visual angle schematic diagram of the subregion that Fig. 3 is the molding cutter shown in Fig. 2.
Fig. 4 is the upward view of the molding cutter shown in Fig. 1.
Fig. 5 is the side view of the subregion of the molding cutter shown in Fig. 1.
Schematic diagram when Fig. 6 is the blade processing work of molding cutter.
Main element symbol description
Molding cutter 1
Workpiece 2
Knife bar 10
Rotation a
The body of rod 11
Neck 13
Escape groove 131
Composition surface 135
Dashpot 137
Installation portion 15
Installed surface 151
Inclined-plane 153
Lateral surface 155
Blade 30
Cutting edge 31
Rake face 33
Rear knife face 35
Major first flank 351
Knife face after second 353
First relief angle θ
Second relief angle γ
Tangent line b
The origin of coordinates O
First point P
Second point Q
Following detailed description of the invention will further illustrate the utility model in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the molding cutter 1 of the utility model embodiment, for metal shell workpiece 2(as shown in Figure 6) carry out curved surface processing and forming.Molding cutter 1 comprises knife bar 10 and is connected to the blade 30 of knife bar 10 one end.
In present embodiment, knife bar 10 is made up of carbide alloy.Knife bar 10 has rotation a.Refer to Fig. 3, knife bar 10 comprises the body of rod 11, neck 13 and installation portion 15, and neck 13 is connected between the body of rod 11 and installation portion 15.Neck 13 is roughly in cone shape, and its radius is reduced towards installation portion 15 gradually by the body of rod 11 one end.Installation portion 15 is roughly in semicylinder shape, and it is located at the end of neck 13 away from the body of rod 11.Neck 13 is formed with escape groove 131 away from the body of rod 11 one end, and escape groove 131 extends to installation portion 15 and contiguous blade 30 is arranged.The part of the contiguous installation portion 15 of neck 13 is composition surface 135.The recessed formation dashpot 137 in contiguous installation portion 15 place, composition surface 135, in order to reduce stress, avoids knife bar 10 to rupture.Installation portion 15 is substantially vertical with composition surface 135 to connect.Installation portion 15 comprises interconnective installed surface 151, inclined-plane 153 and lateral surface 155.Roughly perpendicular with the composition surface 135 and contiguous dashpot 137 of installed surface 151 is arranged.The rotation a of the relative knife bar 10 in inclined-plane 153 tilts, and inclined-plane 153 is positioned at the side of installation portion 15 and is close to escape groove 131 and arranges, and adds cause interference man-hour to avoid blade 30.Lateral surface 155 deviates from blade 30 and arranges.In the present embodiment, lateral surface 155 is partial cylindrical surface.
Blade 30 to be installed on installed surface 151 and to be positioned at the top of dashpot 137.In present embodiment, blade 30 is installed on installed surface 151 by the mode of vacuum brazing, and the thickness of blade 30 is 0.2 to 1.2mm.In present embodiment, blade 30 is axially symmetric structure.See also Fig. 4 and Fig. 5, blade 30 comprises rake face 33, rear knife face 35 and cutting edge 31.
Rake face 33 is arranged towards installed surface 151.Refer to Fig. 5, in the present embodiment, rake face 33 is plane.Rake face 33 is arranged towards installed surface 151.Rear knife face 35 is connected with rake face 33 and arranges away from installed surface 151.
Cutting edge 31 be formed at rake face 33 and rear knife face 35 joint and to the curved shape of the outside projection of blade 30.The curve shape of cutting edge 31 conforms to project organization needed for position to be processed on workpiece 2.The scope of the radius of curvature of cutting edge 31 is 0.2mm to 50mm, and the profile tolerance of cutting edge 31 is ± 0.03, can ensure its final precision, conveniently verifies machining accuracy and carries out correction in adding man-hour.In the present embodiment, cutting edge 31 is partial arc line.Cutting edge 31 is substantially coplanar with rotation a, and position of related features is therebetween ± 0.5mm.Cutting edge 31 lays respectively at the not homonymy of rotation a with the center of circle of its place circle, and the rotation a of cutting edge and knife bar 10 is non-intersect.Be appreciated that the center of circle of cutting edge 31 place circle is positioned on rotation a, cutting edge 31 can be positioned at the same side of rotation a with the center of circle of its place circle.Cutting edge 31 is parallel with rotation a apart from the tangent line b in rotation a solstics, and the maximum length that blade 30 projects on the rotation a of knife bar 30 is 10mm.The maximum length that blade 30 projects on the vertical line of the rotation a of knife bar 30 is 15mm, and then makes cutter 1 path in CNC molding process simple, can strengthen the mirror effect of workpiece 2 finished surface, shorten process time simultaneously.Cutting edge 31 is at least arranged 3 points, origin of coordinates O(0 is set to apart from the solstics of the rotation a of knife bar 10 with cutting edge 31,0) be reference, then other two points are set to first P(1.350 ± 0.02 respectively relative to the position coordinates of this initial point, 0.210 ± 0.02) and second point Q(-1.350 ± 0.02,0.210 ± 0.02).Cutting edge 21 ensures its final precision by this three point coordinates value tolerance, convenient checking machining accuracy and processing correction.Be appreciated that cutting edge 31 also can be to the inner recessed curve of blade 30, or the curve shape of other shape Like.
Rear knife face 35 is roughly in arc surfaced, cutting edge 31 one end that is partly close to without leave of rear knife face 35 reduces gradually, to increase the chip space of molding cutter 1, prevent cutting edge 31 impaired, extend the service life of molding cutter 1, ensure workpiece 2 machined surface quality, reduce the cost of manufacture of molding cutter 1 simultaneously.In the present embodiment, the second rear knife face 353 that rear knife face 35 comprises major first flank 351 and is connected with major first flank 351, the contiguous rake face 33 of major first flank 351 is arranged.Major first flank 351 and the second rear knife face 353 Fen Do are cambered surface.Major first flank 351 and the second rear knife face 353 form a boundary line (scheming not mark).Cambered surface radius knife face 353 after contiguous cutting edge 31 one end is towards second of major first flank 351 reduces gradually, and after second, the cambered surface radius of knife face 353 reduces towards the direction away from major first flank 351 gradually from this major first flank 351 one end contiguous.Major first flank 351 and the second rear knife face 353 are set simultaneously, to increase the integral rigidity of molding cutter 1, reduce finished surface shake line, ensure the surface quality of processing work 2.Be appreciated that rear knife face 35 can not be cambered surface, rear knife face 35 can be the structure such as plane, curved surface.
In present embodiment, blade 30 is made up of single-crystal diamond.Blade 30 can be that artificial single-crystal diamond (ManualCrystalDiamond, MCD) is made, and also can be synthesizing diamond and makes.Major first flank 351 relatively rake face 33 tilts, and then forms the first relief angle θ.After second, the relative rake face 33 of knife face 353 tilts, and then forms the second relief angle γ.Wherein, the scope of the first relief angle θ is 0 to 15 °, and the scope of the second relief angle γ is 15 ° to 45 °.In present embodiment, the first relief angle θ is 6 °, and the second relief angle γ is 20 °.Be appreciated that rear knife face 35 can be only one, the relative rake face 33 of rear knife face 35 of blade 30 tilts, and then the rear angular region that blade 30 is formed is 0 to 20 °.
Refer to Fig. 6, cutting edge 31 pairs of workpiece 2 of molding cutter 1 carry out curved surface processing and forming, and in present embodiment, workpiece 2 is made up of aluminium.Shape due to cutting edge 31 is curve, conforms to working position preform constructions needed for workpiece 2, can reach mirror effect, improving machining accuracy and cutting power without the need to repeatedly processing.Molding cutter 1 material selection artificial single crystal's diamond or synthesizing diamond, improve machining accuracy further, and the life-span of molding cutter 1 can promote greatly.
The molding cutter 1 that the utility model provides, it, by arranging major first flank 351 and the second rear knife face 353 simultaneously, to increase the integral rigidity of molding cutter 1, reduces the vibrations of molding cutter 1 in process, and then reduce finished surface shake line, ensure the surface quality of processing work 2.The scope of the radius of curvature of cutting edge 31 is 0.2mm to 50mm, and the profile tolerance of cutting edge 31 is ± 0.03, can ensure its Accuracy of finish, facilitates checking machining accuracy simultaneously and carries out correction in adding man-hour.Further, cutting edge 31 is parallel with rotation a apart from the tangent line b in rotation a solstics, the maximum length that blade 30 projects on the rotation a of knife bar 30 is 10mm, the maximum length that blade 30 projects on the vertical line of the rotation a of knife bar 30 is 15mm, and then make molding cutter 1 path in CNC molding process simple, the mirror effect of workpiece 2 finished surface can be strengthened, shorten process time simultaneously.What is more, cutting edge 31 ensures its final precision by three point coordinates value tolerances, guarantees machining accuracy, and for verifying that machining accuracy and processing correction provide conveniently.
Be appreciated that and can omit dashpot 137, escape groove 131.
Be understandable that, for the person of ordinary skill of the art, other various corresponding change and distortion can be made according to technical conceive of the present utility model, and all these change the protection domain that all should belong to the utility model claim with distortion.

Claims (10)

1. a molding cutter, it comprises knife bar and is connected to the blade of this knife bar one end, this knife bar has rotation, it is characterized in that: this blade is made up of diamond, this blade tool cutting edge, the curved shape of this cutting edge, this cutting edge and this rotation coplanar, and the rotation of this cutting edge and this knife bar is non-intersect, this cutting edge is at least established three points, the origin of coordinates (0 is set to apart from the solstics of the rotation of this knife bar with this cutting edge, 0) as a reference, then other two points are respectively (1.350 ± 0.02 relative to the position coordinates of this initial point, 0.210 ± 0.02), (-1.350 ± 0.02, 0.210 ± 0.02).
2. molding cutter as claimed in claim 1, it is characterized in that: the scope of the radius of curvature of this cutting edge is 0.2mm to 5mm, the profile tolerance of this cutting edge 31 is ± 0.03.
3. molding cutter as claimed in claim 1, it is characterized in that: this molding cutter also comprises rake face and rear knife face, together with this rake face is installed in this knife bar, this cutting edge is formed at the joint of this rake face and this rear knife face, and this rear knife face relatively this rake face tilts and then forms a relief angle.
4. molding cutter as claimed in claim 3, is characterized in that: the scope of this relief angle is 0 to 20 °.
5. molding cutter as claimed in claim 1, it is characterized in that: this molding cutter also comprises rake face, major first flank and the second rear knife face, together with this rake face is installed in this knife bar, this major first flank connects with this rake face, this second rear knife face connects with this major first flank and arranges away from this rake face, this cutting edge is formed at the joint of this rake face and this major first flank, this major first flank relatively this rake face tilts and then forms the first relief angle, and this second rear knife face relatively this rake face tilts and then forms the second relief angle.
6. molding cutter as claimed in claim 5, it is characterized in that: this major first flank is different cambered surface from this second rear knife face, the cambered surface radius of this major first flank reduces towards this second rear knife face gradually from this cutting edge one end contiguous, and the cambered surface radius of this second rear knife face reduces towards the direction away from this major first flank gradually from this major first flank one end contiguous.
7. molding cutter as claimed in claim 5, it is characterized in that: the scope of this first relief angle is 0 to 15 °, the scope of this second relief angle is 15 ° to 45 °.
8. molding cutter as claimed in claim 1, it is characterized in that: this knife bar comprises the body of rod, neck and installation portion, this neck is connected between this body of rod and this installation portion, and this rake face connects with this installation portion.
9. molding cutter as claimed in claim 8, is characterized in that: this neck is formed with escape groove away from this body of rod one end, and this escape groove extends to this installation portion and this cutting edge contiguous is arranged.
10. molding cutter as claimed in claim 9, it is characterized in that: the part of this neck this installation portion contiguous is composition surface, this installation portion and this composition surface vertical connection, this installation portion comprises interconnective installed surface, inclined-plane and lateral surface, this installed surface is perpendicular with this composition surface and together with being installed in this knife bar, the rotation of this inclined-plane this knife bar relative tilts, and this inclined-plane is positioned at side also contiguous this escape groove setting of this installation portion.
CN201520359186.XU 2015-05-29 2015-05-29 Shaping cutter Active CN204799970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520359186.XU CN204799970U (en) 2015-05-29 2015-05-29 Shaping cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520359186.XU CN204799970U (en) 2015-05-29 2015-05-29 Shaping cutter

Publications (1)

Publication Number Publication Date
CN204799970U true CN204799970U (en) 2015-11-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397122A (en) * 2015-12-31 2016-03-16 青岛开世密封工业有限公司 Cutter for machining dust-proof sleeve with wave-shaped part, and manufacturing method thereof
CN108127127A (en) * 2016-12-01 2018-06-08 天津职业技术师范大学 A kind of method for turning and a kind of cutter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105397122A (en) * 2015-12-31 2016-03-16 青岛开世密封工业有限公司 Cutter for machining dust-proof sleeve with wave-shaped part, and manufacturing method thereof
CN108127127A (en) * 2016-12-01 2018-06-08 天津职业技术师范大学 A kind of method for turning and a kind of cutter

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160108

Address after: 516100 Guangdong County of Boluo Province town of Huizhou city dragon Xia Liao Village Gate Village Group Twelve ditch area

Patentee after: JI ZHUN PRECISION INDUSTRY (HUI ZHOU) Co.,Ltd.

Address before: 048026 No. 1216 orchid Road, Jincheng Economic Development Zone, Shanxi, China

Patentee before: JINCHENG HONGREN TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20190812

Address after: 518109 Foxconn Science Park, No. 2 East Ring Road, Longhua Street, Longhua District, Shenzhen City, Guangdong Province

Patentee after: SHENZHEN JINGJIANG YUNCHUANG TECHNOLOGY Co.,Ltd.

Address before: 516100 Guangdong County of Boluo Province town of Huizhou city dragon Xia Liao Village Gate Village Group Twelve ditch area

Patentee before: JI ZHUN PRECISION INDUSTRY (HUI ZHOU) Co.,Ltd.

TR01 Transfer of patent right
CP03 Change of name, title or address

Address after: 518109, 1st Floor, Building B3, Foxconn Industrial Park, No. 2 East Ring 2nd Road, Fukang Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Fulian Jingjiang Technology Co.,Ltd.

Address before: 518109 Zone A and Zone 1 of Foxconn Science Park Zone D1 Plastic Mould Factory, No.2 East Ring Road, Longhua Street, Longhua District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN JINGJIANG YUNCHUANG TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address