CN209465714U - One kind being used for the rough machined cutting tip of stainless steel - Google Patents
One kind being used for the rough machined cutting tip of stainless steel Download PDFInfo
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- CN209465714U CN209465714U CN201821549165.4U CN201821549165U CN209465714U CN 209465714 U CN209465714 U CN 209465714U CN 201821549165 U CN201821549165 U CN 201821549165U CN 209465714 U CN209465714 U CN 209465714U
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Abstract
It is open a kind of for the rough machined cutting tip of stainless steel the utility model relates to metal cutting process technical field.Blade body has the geometry of the setting symmetrical above and below of polygon, including upper surface, lower end surface, multiple side surfaces, connects the circular arc side between two sides；Cutting unit A is arranged in the vertex of blade；Including cutting edge, chip-breaker；Cutting edge is made of main cutting edge and arc edge；Main cutting edge includes flat sword, inclination sword, wave edge；Chip-breaker includes being sequentially connected arc edge, major first face, the second rake face, transition arc, guiding groove, round kick, inclined-plane filings-breaking surface from arc edge to location hole direction along the angular bisector P of apex angle；Guiding groove extends to main cutting edge, and dust lead face connects chip pocket.This blade takes into account cutting edge sharpness, guarantees cutting edge strength, and by reasonably guiding chip, the double-deck chip breaker effect design improves chip breaking ability, guarantees chip removal fluency, improves blade life.
Description
Technical field
The utility model relates to metal cutting process technical fields, are used for stainless steel roughing more particularly, to one kind
Cutting tip.
Background technique
Stainless steel material is because itself has more complex alloying component, so in turnery processing this kind of product, due to
Cutting tangential stress is big, plastic deformation is big, thus required cutting force is also bigger than common material.Further, since stainless steel material
Thermal conductivity is very poor, and cutting temperature is caused to increase, and high temperature often focuses in the elongated zones near cutting edge roundness, to accelerate
The abrasion of cutter.
In process, also because of the plastic deformation of material processing hardening occurs for stainless steel, so that stainless steel material
During by blade cut, chip becomes more tough, it is difficult to crimp, be broken and effectively guide discharge, process
In the process, when tough chip flow is through rake face, the sticking phenomenon such as bonding, melting welding will be generated, not only influences the surface of workpiece
Processing quality, can also serious curtailment blade service life.
In the prior art, stainless steel carries out cutting tip used in roughing,, can not when full depth in
The stream bits of effective guidance chip, a good inhibiting effect is not played simultaneously for blade built-up edge yet, leads to blade
Strength reduction, with service life reduce.
Utility model content
The technical problems to be solved in the utility model is in the prior art for the feelings of the cutting depth such as 1.5mm ~ 3mm
Under condition, the flow direction of chip can not be effectively guided, the deficiency of effective inhibiting effect can not be played simultaneously for built-up edge, is provided
A kind of flow direction that can effectively guide chip effectively controls the curling of chip in process and fractures, and the smooth chip removal of energy, together
When chips depth is excessive, cooperate the structure of its cutting edge, effectively reduce cutting force, ensure the intensity of blade, mention
For blade service life be used for the rough machined cutting tip of stainless steel.
The purpose of this utility model is achieved by the following technical programs:
One kind being used for the rough machined cutting tip of stainless steel, and the blade body is the setting symmetrical above and below with polygon
Geometry, blade body be equipped with positioned at geometric center blade positioning hole；The blade body includes upper surface, lower end
Circular arc side between face, no less than 3 side surfaces, and two side surfaces of connection；
The blade body is provided with a no less than cutting unit A；The top of blade body is arranged in the cutting unit A
At angle；The cutting unit A includes cutting edge, chip-breaker；The cutting edge is made of main cutting edge and arc edge；It is described
Main cutting edge is crossed to form by upper surface and side surface；Arc edge is crossed to form by circular arc side and upper surface；
The chip-breaker includes being sequentially connected circular arc from arc edge to location hole direction along the angular bisector P of apex angle
Cutting edge, cutting edge tilt down certain angle and form major first face, and the bottom of major first face tilts down certain angle
The second rake face is formed, the transition arc of one recess of bottom connection of the second rake face, the other side of transition arc connects guidance
Slot, guiding groove inwardly connect round kick, and round kick connects up inclined-plane filings-breaking surface；
Wherein, it is connected between two round kicks by dust lead face, guiding groove extends to the direction of main cutting edge, draws
Guide groove is gradually replaced by dust lead face, and the other end in dust lead face connects chip pocket.
Further, the main cutting edge includes flat sword, inclination sword, wave edge；Inclination sword both ends connection flat sword and
Wave edge.
Further, setting no less than 1 round kick in the blade body, and multiple round kicks are about top
The two sides angular bisector P at angle are symmetrically and evenly distributed.
Further, the top of the round kick is lower than upper surface, and the top to upper surface of round kick
Vertical range H2 is 0 ~ 1mm.
Further, the major first face and upper surface institute angle degree α are 3 ° ~ 15 °；Second rake face with it is upper
End face institute angle degree β is 15 ° ~ 30 °.
Further, the length D1 of the flat sword in the main cutting edge is 0.7mm ~ 1.7mm.
Further, the angle γ of the inclination sword and upper surface in the main cutting edge is 4 ° ~ 15 °.
Further, the chip breaking trench bottom is higher than chip pocket bottom；The chip breaking trench bottom hangs down to chip pocket bottom
Directly distance H1 is 0 ~ 1mm.
Further, the angle theta between the dust lead face and upper surface is 1 ° ~ 15 °.
Compared with prior art, the utility model has the following beneficial effects:
1) one kind of the utility model is used for the rough machined cutting tip of stainless steel, by main cutting edge, using inclining
Inclined edge both enables in inclination sword blade processing to wave edge transition, plays the flow direction of guidance chip, prevent chip-flowing not
The surface of processing, while wave edge can effectively reduce cutting force when cutting depth becomes larger.
2) blade body in the sharpness for taking into account cutting edge, while guaranteeing the intensity of cutting edge using double rake face structure designs,
To guarantee that blade cut is brisk during the cutting process, the effective generation for inhibiting built-up edge, while ensure that the longevity of cutting tip
Life.
3) the rough machined cutting tip of this stainless steel is designed using guiding groove and big chip pocket structure, on dust lead face
Multiple kicks are designed, the effect of the double-deck chip breaker is both played by the prominent body of kick, expands the range of chip breaking, utilizes simultaneously
After guiding groove guides chip, the chip pocket of guiding groove side is flowed into rapidly and is discharged rapidly, both ensure that blade during the cutting process
Generated major part heat is taken away by chip, quickly reduces the temperature of blade itself, while strengthening curling and the folding of chip
It is disconnected, and can smooth chip removal ability.
Detailed description of the invention
Fig. 1 is the perspective view of cutting tip in the present embodiment 1；
Fig. 2 is the main view of cutting tip in the present embodiment 1；
Fig. 3 is the side view of cutting tip in the present embodiment 1；
Fig. 4 is the front view of cutting tip in the present embodiment 1；
Fig. 5 is the partial enlarged view of the cutting unit A of the present embodiment 1；
Fig. 6 is the enlarged view of the chip-breaker B of the present embodiment 1；
Fig. 7 is the K-K cross-sectional view of the present embodiment 1；
Fig. 8 is the J-J cross-sectional view of the present embodiment 1.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Figure 1, a kind of be used for the rough machined cutting tip of stainless steel, insert ontology 1 is with polygon
The geometry of setting symmetrical above and below, blade body 1 are equipped with positioned at the blade positioning hole 2 of geometric center；Insert ontology 1
Including upper surface 3, lower end surface 4, the circular arc side 6 between no less than 3 side surfaces 5, and two side surfaces 5 of connection；
Insert ontology 1 is provided with a no less than cutting unit A；Blade body 1 is arranged in above-mentioned cutting unit A
Vertex；Above-mentioned cutting unit A includes cutting edge, chip-breaker B；Above-mentioned cutting edge is by main cutting edge 7 and 8 groups of arc edge
At；Main cutting edge 7 is crossed to form by upper surface 3 and side surface 5；Arc edge 8 intersects shape by circular arc side 6 and upper surface 3
At；Above-mentioned main cutting edge 7 includes flat sword 71, inclination sword 72, wave edge 73；72 both ends of the inclination sword connection flat sword 71 and waveform
Sword 73, during processing cutting, flat sword 71 is connect with inclination sword 72, and 71 rear end of flat sword utilizes the structure for connecting inclination sword 72
Design, the effective flow direction for guiding chip, as cutting depth is constantly deepened, cutting force is also gradually increased, at this time easily to blade
Intensity impact, therefore inclination sword 72 rear end design connection wave edge 73, wave edge 73 curved edge design, effectively
Attenuating cutting force greatly ensure that the service life of blade to alleviate blade machining load situation.
As shown in Figure 1,5, above-mentioned chip-breaker B includes the angular bisector P along apex angle from arc edge 8 to location hole 2
Direction is sequentially connected arc edge 8, and arc edge 8 tilts down certain angle and forms major first face 9, major first face
9 bottom tilts down the second rake face 10 of certain angle formation, and major first face 9 is smoothly connected with the second rake face 10；
In the bottom of the second rake face 10, the transition arc 11 of one recess of connection, the other side of transition arc 11 connect guiding groove 12, draw
Guide groove 12 inwardly connects round kick 13, and round kick 13 connects up inclined-plane filings-breaking surface 14；The top of inclined-plane filings-breaking surface 14
End is connect with upper surface 3.
Wherein, it is connected between two round kicks 13 by dust lead face 15, guiding groove 12 prolongs to 7 direction of main cutting edge
It stretches, guiding groove 12 is gradually replaced by dust lead face 15, and the rear end in dust lead face 15 connects chip pocket 16.Among the above, in main cutting edge 7
Towards on 2 direction of location hole, inclined-plane filings-breaking surface 14 is connect with dust lead face 15, and the groove being formed together with the second rake face 10 is i.e.
For chip pocket 16.
In blade, the structure of guiding groove 12 and big chip pocket 16 is designed, can be with after guiding chip by guiding groove 12
Chip is flowed into big chip pocket 16 rapidly and be discharged, so as to take away heat using iron filings using the process of quick chip removal
Amount, walks and blade is made to reach effective heat dissipation effect.
Setting no less than 1 round kick 13 on insert ontology 1, and multiple round kicks 13 are about apex angle
The two sides angular bisector P are symmetrically and evenly distributed.In embodiment 1, multiple round kicks 13 are arranged in class " ox horn " shape.
As shown in fig. 6, the top of round kick 13 is lower than upper surface 3, and the top to upper surface 3 of round kick 13
Vertical range H2 be 0 ~ 1mm.In embodiment 1, vertical height H2 is 0.16mm.It is small that multiple circles are set on dust lead face 15
Protrusion 13, it is intended that the effect of the second chip breaker is played using round kick 13, the effective range for expanding chip breaking.
As shown in fig. 6, major first face 9 and the angle degree α of upper surface 3 are 3 ° ~ 15 °；Second rake face 10 with
The angle degree β of upper surface 3 is 15 ° ~ 30 °.In embodiment 1, angle [alpha] is 6 °, and angle beta is 21 °.The dual rake face of blade
Design, it is intended that guarantee the intensity of cutting edge while the sharpness for taking into account cutting edge, to guarantee during the cutting process, knife
Piece cutting is brisk, the effective generation for inhibiting built-up edge, while ensure that the service life of cutting tip.
As shown in figure 4, the length D1 of the flat sword 71 in main cutting edge 7 is 0.7mm ~ 1.7mm.D1 is in embodiment 1
1mm。
As shown in figure 4, the angle γ of inclination sword 72 and upper surface 3 in main cutting edge 7 is 4 ° ~ 15 °.In embodiment 1
Angle γ is 8 °.
As shown in fig. 7,12 bottom of guiding groove is higher than 16 bottom of chip pocket；12 bottom of guiding groove to 16 bottom of chip pocket
Vertical range H1 be 0 ~ 1mm.In embodiment 1, vertical range 0.16mm.
As shown in figure 8, the angle theta between dust lead face 15 and upper surface 3 is 1 ° ~ 15 °.In embodiment 1, angle theta is 8 °.
One kind of the utility model is used for the rough machined cutting tip of stainless steel, by the sword for tilting sword 72 and wave edge 73
Mouth design, effectively guides chip-flowing, while small the case where cutting depth becomes larger, and wave edge 73 reduces cutting force, effectively
Reduction blade work load, extend blade service life；The structure of guiding groove 12 and big chip pocket 16 designs, and both effectively draws
Chip-flowing is led, while also ensuring the rapid discharge of chip, in combination with the design of the small protrusion 13 of multiple circles, plays bilayer
The effect of chip breaker expands chip breaking area, and using the design of double rake faces, ensure that the sharpness of cutting edge, and
The intensity of cutting edge, to guarantee that blade cut is brisk during the cutting process, the effective generation for inhibiting built-up edge, while effectively control
The curling of chip and fracture in process processed, and can smooth chip removal, greatly reinforced the service life of blade.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.It is made within the spirit and principle of the present invention
Any modifications, equivalent replacements, and improvements etc., should be included within the utility model scope of the claims.
Claims (9)
1. one kind is used for the rough machined cutting tip of stainless steel, the blade body is the setting symmetrical above and below with polygon
Geometry, blade body are equipped with positioned at the blade positioning hole of geometric center；It is characterized in that, the blade body includes upper
End face, the circular arc side between lower end surface, no less than 3 side surfaces, and two side surfaces of connection；
The blade body is provided with a no less than cutting unit A；The apex angle of blade body is arranged in the cutting unit A
Place；The cutting unit A includes cutting edge, chip-breaker；The cutting edge is made of main cutting edge and arc edge；The master
Cutting edge is crossed to form by upper surface and side surface；Arc edge is crossed to form by circular arc side and upper surface；
The chip-breaker includes being sequentially connected circular arc cutting from arc edge to location hole direction along the angular bisector P of apex angle
Sword, arc edge tilt down certain angle and form major first face, and the bottom of major first face tilts down certain angle
The second rake face is formed, the transition arc of one recess of bottom connection of the second rake face, the other side of transition arc connects guidance
Slot, guiding groove inwardly connect round kick, and round kick connects up inclined-plane filings-breaking surface；
Wherein, it is connected between two round kicks by dust lead face, guiding groove extends to the direction of main cutting edge, guiding groove
It is gradually replaced by dust lead face, the other end in dust lead face connects chip pocket.
2. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the main cutting
Sword includes flat sword, inclination sword, wave edge, and the inclination sword both ends connect flat sword and wave edge.
3. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the blade sheet
Setting no less than 1 round kick on body, and multiple round kicks symmetrically and evenly divide about the two sides angular bisector P of apex angle
Cloth.
4. according to claim 3 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the circle is small
The top of protrusion is lower than upper surface, and the vertical range H2 of the top of round kick to upper surface is 0~1mm.
5. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that before described first
Knife face and upper surface institute angle degree α are 3 °~15 °；Second rake face and upper surface institute angle degree β are 15 °~30 °.
6. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the main cutting
The length D1 of flat sword in sword is 0.7mm~1.7mm.
7. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the main cutting
The angle γ of inclination sword and upper surface in sword is 4 °~15 °.
8. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the chip-breaker
Bottom is higher than chip pocket bottom；The vertical range H1 of the chip breaking trench bottom to chip pocket bottom is 0~1mm.
9. according to claim 1 a kind of for the rough machined cutting tip of stainless steel, which is characterized in that the dust lead face
Angle theta between upper surface is 1 °~15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549165.4U CN209465714U (en) | 2018-09-21 | 2018-09-21 | One kind being used for the rough machined cutting tip of stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549165.4U CN209465714U (en) | 2018-09-21 | 2018-09-21 | One kind being used for the rough machined cutting tip of stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209465714U true CN209465714U (en) | 2019-10-08 |
Family
ID=68085843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821549165.4U Active CN209465714U (en) | 2018-09-21 | 2018-09-21 | One kind being used for the rough machined cutting tip of stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209465714U (en) |
-
2018
- 2018-09-21 CN CN201821549165.4U patent/CN209465714U/en active Active
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