CN107900385A - A kind of three sword appearance forming cutters - Google Patents
A kind of three sword appearance forming cutters Download PDFInfo
- Publication number
- CN107900385A CN107900385A CN201711212988.8A CN201711212988A CN107900385A CN 107900385 A CN107900385 A CN 107900385A CN 201711212988 A CN201711212988 A CN 201711212988A CN 107900385 A CN107900385 A CN 107900385A
- Authority
- CN
- China
- Prior art keywords
- inner curve
- knife
- swords
- appearance forming
- blade
- Prior art date
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/06—Profile cutting tools, i.e. forming-tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/28—Angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/36—Other features of cutting inserts not covered by B23B2200/04 - B23B2200/32
Abstract
The present invention provides a kind of three sword appearance forming cutters, including：Cutter head and handle of a knife, shown cutter head are opened in handle of a knife end, and handle of a knife is integrally formed, and cutter head sets three inner curve blades.The piece surface finish that the present invention processes is good, without shake knife mark road, it is adapted to the finishing to stainless steel, aluminium alloy and titanium alloy etc materials, it is only necessary to once the processing that cutter can be completed whole product, be conducive to improve machining accuracy and production efficiency, reduce production cost.
Description
Technical field
The present invention relates to cutting tool, and in particular to a kind of three sword appearance forming cutters.
Background technology
In mechanical processing, cutter is the indispensable critical piece of machine tooling, and the quality of cutter quality influences itself
Service life, also influence the quality and production efficiency of mechanical processing.To processing when nonstandard part is processed, it is necessary to
Many process tools are replaced, reduce production efficiency, processing effect does not reach requirement yet, and cutting speed is slow, and chip removal, which has some setbacks, etc. asks
Topic, while exchanging knives process also add security risk.Especially electronic product casing is such as：Stainless steel material, aluminum alloy materials and
During titanium alloy material, due to the complexity of Cutting Process, the product casing processed with universal cutter, generally requires several road works
Sequence, in process need to need knife ability machine-shaping, such process often to be completed by two molding cutters using some
Two segmental arcs are completed to be connected into a complete segmental arc, and process is numerous and diverse and inefficiency, and precision is not high, and shortcoming is obvious.
The Chinese patent of Application No. 201410503757.2, discloses a kind of three sword forming cutters, its it include it is integral into
The knife bar and cutter head of type, the cutter head are equipped with the inner curve knife of three annular arrays centered on the central shaft of the knife bar
Sword, three inner curve blades include main cutting edge and front cutting edge, and the main cutting edge is the curve sword of indent, described
The concave arc sword section of mutual inscribe forms curve sword by several radian gradual changes and successively, and the front cutting edge is straight line week
Sword, axial one end of the cutter head are connected on the knife bar, and the other end forms the fluted disc shape end face of three teeth, and the master cuts
The one end for cutting sword is intersected with the front cutting edge, and the other end intersects with the crown of the fluted disc shape end face, three inner curves
Blade is between each other formed with chip space, and the anterior angle of the main cutting edge is zero degree, the first relief angle is 13 ° -15 °, the second relief angle
For 20 ° -25 °；Lanyard is provided with the major first flank of the main cutting edge of each inner curve blade, and damping relief angle is
2°-4°；Since its cutter head volume is big compared with knife bar, complex production process, while have many inconvenience in actual use, and it is preceding
Angle is 0 degree, and inner curve knife edge part needs just be cut with larger cutting force, and there is an urgent need to be improved.
The content of the invention
To solve the above problems, the present invention provides a kind of three sword appearance forming cutters.The piece surface that the present invention processes
Finish is good, and no shake knife mark road, is adapted to the finishing to stainless steel, aluminium alloy and titanium alloy etc materials, it is only necessary to which one cutter
Processing with regard to that can complete whole product, is conducive to improve machining accuracy and production efficiency, reduces production cost.
To realize the technical purpose, the technical scheme is that：A kind of three sword appearance forming cutters, including：
Handle of a knife, and following cutter heads are integrally formed；
Cutter head, is opened in handle of a knife end, and handle of a knife is integrally formed, and cutter head sets three inner curve blades.
Further, between the inner curve blade, chip space is set, and slot bottom is rounded corner, the design of chip space is not only
It ensure that the smooth rigidity for also ensuring cutter of the chip removal of cutter, inner curve blade and chip space are polished to mirror effect.
Further, the inner curve blade and chip space are designed as with respect to the horizontal plane spiral 35 °.
Further, the inner curve blade is made of rake face and rear knife face, and rake face polishing treatment is relative to vertical
12 °~14 ° of face.
As a kind of preferred embodiment of the present invention, the rear knife face includes lanyard and at least two relief angles, subtracts
It is 5 ° to shake the angle of band with respect to the horizontal plane, the blade of lanyard and rake face formation inner curve blade.
As a kind of preferred embodiment of the present invention, the relief angle includes the first relief angle and the second relief angle, and described the
The angle of one relief angle with respect to the horizontal plane is 10 °~12 °, and the angle of second relief angle with respect to the horizontal plane is 25 °~30 °.
Further, the concave surface of the inner curve blade is made of at least two irregular tangent segmental arcs；
The radian of the concave surface can be set according to processing request.
As a preference of the present invention, the inner curve blade cutting edge circular runout≤0.005mm.
Further, a diameter of 8mm in handle of a knife end face, the inner curve edge length are 6.955mm, the inner curve knife
Sword end face diameter is 6.074mm.
As a preference of the present invention, the end face of the blade is provided with end tooth, first relief angle of end tooth is 7 °~9 °, the
Two relief angles are 16 °~20 °.
The beneficial effects of the present invention are：
1) knife edge part of the invention is provided with lanyard, and lanyard plays damping effect in working angles, and strengthens
Cutting edge strength, plays the role of product smoothing.
2) design angle of blade of the present invention so that edge strength is good, cuts smooth.
To sum up, the piece surface finish that processes of the present invention is good, no shake knife mark road, be adapted to stainless steel, aluminium alloy and
The finishing of titanium alloy etc materials, it is only necessary to once the processing that cutter can be completed whole product, be conducive to improve machining accuracy
And production efficiency, reduce production cost.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the cutter head end structure illustration of the present invention；
Fig. 3 is the part A enlarged structure schematic diagram in Fig. 2 of the present invention；
Fig. 4 is the structure diagram of end tooth of the present invention.
Embodiment
Technical scheme will be clearly and completely described below.
Note：It is heretofore described up and down, vertically, the orientation such as level, be relative to by this forming cutter it is horizontal positioned when and
Speech, and for the position in attached drawing, limitation of the invention can not be interpreted as.
As shown in Figure 1, a kind of three sword appearance forming cutters, including：
Handle of a knife 2, and following cutter heads are integrally formed；
Cutter head, is opened in 2 end of handle of a knife, and handle of a knife 2 is integrally formed, and cutter head sets three inner curve blades.
Further, between the inner curve blade, chip space 3 is set, and slot bottom is rounded corner, the design of chip space 3 is not
But it ensure that the smooth rigidity for also ensuring cutter of the chip removal of this forming cutter, inner curve blade and chip space are polished to minute surface effect
Fruit.
Further, the inner curve blade and chip space 3 are designed as with respect to the horizontal plane spiral 35 °.
Further, the inner curve blade is made of rake face 4 and rear knife face, and 4 polishing treatment of rake face is relative to vertical
Face 12 °~14 ° directly.
As a kind of preferred embodiment of the present invention, as shown in Figure 2,3, the rear knife face is including lanyard 5 and extremely
Few two relief angles, the angle of lanyard with respect to the horizontal plane are 5 °, and lanyard 5 and the rake face 4 form inner curve blade
Blade.
Lanyard 5 has 3 to act on greatly, and first：Play damping effect in working angles, second：Enhance cutting edge strength,
3rd：Play the role of product smoothing.
As a kind of preferred embodiment of the present invention, the relief angle includes the first relief angle 6 and the second relief angle 7, described
The angle of first relief angle 6 with respect to the horizontal plane be 10 °~12 °, the angle of second relief angle 7 with respect to the horizontal plane for 25 °~
30°.The design of first relief angle 6 and the second relief angle 7, increases the blade intensity of lanyard and the composition of rake face.
Further, the concave surface 1 of the inner curve blade is made of at least two irregular tangent segmental arcs；The concave surface
1 radian can be set according to processing request.
As a preference of the present invention, the inner curve blade cutting edge circular runout≤0.005mm.
Further, 2 end face diameter of handle of a knife is 8mm, and allows 0~0.005 tolerance.The inner curve edge length
For 6.955mm, and allow ± 0.02 tolerance.The inner curve blade end face diameter is 6.074mm, and allows ± 0.01 public affairs
Difference.That is, the curve blade has certain gathering angle to axis direction.
As a preference of the present invention, as shown in figure 4, the end face of the blade is provided with end tooth 11, the end of the end tooth 11
The angle of face and vertical plane is 2 °~3 °, and 8 relative level angle of end tooth anterior angle is 5 °~7 °, and the first end angle of back of tooth 9 is opposite
It it is 7 °~9 ° in the angle of vertical plane, the second end angle of back of tooth 10 is 16 °~20 ° relative to the angle of vertical plane.Can be used this into
End tooth on the end face of type knife, plane is milled out to workpiece.
For the ordinary skill sword person of this area, without departing from the concept of the premise of the invention, it can also do
Go out several modifications and improvements, these belong to protection scope of the present invention.
Claims (10)
- A kind of 1. three sword appearance forming cutters, it is characterised in that including：Handle of a knife, and following cutter heads are integrally formed；Cutter head, is opened in handle of a knife end, and handle of a knife is integrally formed, and cutter head sets three inner curve blades.
- A kind of 2. three swords appearance forming cutter according to claim 1, it is characterised in that between the inner curve blade, if Chip space is put, and slot bottom is rounded corner, inner curve blade and chip space are polished to mirror effect.
- 3. a kind of three swords appearance forming cutter according to claim 2, it is characterised in that the inner curve blade and chip space It is designed as with respect to the horizontal plane spiral 35 °.
- 4. a kind of three swords appearance forming cutter according to claim 1, it is characterised in that the inner curve blade is by rake face Formed with rear knife face, rake face polishing treatment is relative to 12 °~14 ° of vertical plane.
- A kind of 5. three swords appearance forming cutter according to claim 4, it is characterised in that it is described after knife face include lanyard and At least two relief angles, the angle of lanyard with respect to the horizontal plane are 5 °, and lanyard and the rake face form inner curve blade Blade.
- A kind of 6. three swords appearance forming cutter according to claim 5, it is characterised in that the relief angle include the first relief angle and Second relief angle, the angle of first relief angle with respect to the horizontal plane are 10 °~12 °, and second relief angle is with respect to the horizontal plane Angle is 25 °~30 °.
- 7. a kind of three swords appearance forming cutter according to claim 1, it is characterised in that the concave surface of the inner curve blade is It is made of at least two irregular tangent segmental arcs；The radian of the concave surface can be set according to processing request.
- 8. a kind of three swords appearance forming cutter according to claim 1, it is characterised in that the inner curve blade cutting edge is radially Bounce≤0.005mm.
- A kind of 9. three swords appearance forming cutter according to claim 1, it is characterised in that a diameter of 8mm in handle of a knife end face, The inner curve edge length is 6.955mm, and the inner curve blade end face diameter is 6.074mm.
- 10. a kind of three swords appearance forming cutter according to claim 9, it is characterised in that the end face of the blade is provided with End tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212988.8A CN107900385A (en) | 2017-11-28 | 2017-11-28 | A kind of three sword appearance forming cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212988.8A CN107900385A (en) | 2017-11-28 | 2017-11-28 | A kind of three sword appearance forming cutters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900385A true CN107900385A (en) | 2018-04-13 |
Family
ID=61848056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711212988.8A Pending CN107900385A (en) | 2017-11-28 | 2017-11-28 | A kind of three sword appearance forming cutters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091251A (en) * | 2020-09-11 | 2020-12-18 | 合肥江丰电子材料有限公司 | Machining tool for integrally forming R angle and peripheral surface of target and machining method adopting machining tool |
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| JP2003191116A (en) * | 2001-12-21 | 2003-07-08 | Fuji Seiko Ltd | Three-flute drill |
| CH701414A1 (en) * | 2009-07-09 | 2011-01-14 | Fraisa Holding Ag | Milling tool for rotary material erosive operation of fiber-reinforced composites, particularly fiber-reinforced plastics or carbon fiber reinforced plastics, has shaft for fixing milling tool in tool machine |
| CN104191011A (en) * | 2014-07-30 | 2014-12-10 | 常州创伟工具制造有限公司 | Three-edge aluminum milling cutter |
| CN104209565A (en) * | 2014-09-28 | 2014-12-17 | 江西杰浩硬质合金工具有限公司 | Three-edge profile cutter |
| CN204221080U (en) * | 2014-10-17 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Milling cutter |
| CN205342039U (en) * | 2016-01-13 | 2016-06-29 | 江西杰浩硬质合金工具有限公司 | Highlight crew cut milling cutter |
| CN205342040U (en) * | 2016-01-13 | 2016-06-29 | 江西杰浩硬质合金工具有限公司 | Milling cutter |
| CN206028835U (en) * | 2016-09-12 | 2017-03-22 | 江苏戴梦德钻石科技有限公司 | Outward appearance shaping sword |
| CN206028838U (en) * | 2016-09-12 | 2017-03-22 | 江苏戴梦德钻石科技有限公司 | Three sword wolfram steel shaping swoves |
| CN206122776U (en) * | 2016-10-29 | 2017-04-26 | 东莞市哆乐数控工具有限公司 | Three swords sword for aluminium |
| CN206263331U (en) * | 2016-12-20 | 2017-06-20 | 江西杰浩硬质合金工具有限公司 | Profile milling cutter |
-
2017
- 2017-11-28 CN CN201711212988.8A patent/CN107900385A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003191116A (en) * | 2001-12-21 | 2003-07-08 | Fuji Seiko Ltd | Three-flute drill |
| CH701414A1 (en) * | 2009-07-09 | 2011-01-14 | Fraisa Holding Ag | Milling tool for rotary material erosive operation of fiber-reinforced composites, particularly fiber-reinforced plastics or carbon fiber reinforced plastics, has shaft for fixing milling tool in tool machine |
| CN104191011A (en) * | 2014-07-30 | 2014-12-10 | 常州创伟工具制造有限公司 | Three-edge aluminum milling cutter |
| CN104209565A (en) * | 2014-09-28 | 2014-12-17 | 江西杰浩硬质合金工具有限公司 | Three-edge profile cutter |
| CN204221080U (en) * | 2014-10-17 | 2015-03-25 | 鸿富锦精密工业（深圳）有限公司 | Milling cutter |
| CN205342039U (en) * | 2016-01-13 | 2016-06-29 | 江西杰浩硬质合金工具有限公司 | Highlight crew cut milling cutter |
| CN205342040U (en) * | 2016-01-13 | 2016-06-29 | 江西杰浩硬质合金工具有限公司 | Milling cutter |
| CN206028835U (en) * | 2016-09-12 | 2017-03-22 | 江苏戴梦德钻石科技有限公司 | Outward appearance shaping sword |
| CN206028838U (en) * | 2016-09-12 | 2017-03-22 | 江苏戴梦德钻石科技有限公司 | Three sword wolfram steel shaping swoves |
| CN206122776U (en) * | 2016-10-29 | 2017-04-26 | 东莞市哆乐数控工具有限公司 | Three swords sword for aluminium |
| CN206263331U (en) * | 2016-12-20 | 2017-06-20 | 江西杰浩硬质合金工具有限公司 | Profile milling cutter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091251A (en) * | 2020-09-11 | 2020-12-18 | 合肥江丰电子材料有限公司 | Machining tool for integrally forming R angle and peripheral surface of target and machining method adopting machining tool |
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