CN208019438U - A kind of single side tank car paring blade - Google Patents
A kind of single side tank car paring blade Download PDFInfo
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- CN208019438U CN208019438U CN201721428702.5U CN201721428702U CN208019438U CN 208019438 U CN208019438 U CN 208019438U CN 201721428702 U CN201721428702 U CN 201721428702U CN 208019438 U CN208019438 U CN 208019438U
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- cutting edge
- chip breaker
- chip
- tank car
- single side
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Abstract
The utility model provides a kind of single side tank car paring blade, belongs to cutting-tool engineering field.It solves the problems, such as that existing turning insert chip breaking effect is poor.This single side tank car paring blade, there is the ontology of mounting hole including middle part, ontology has upper surface, multiple sides and the arc surface for connecting two adjacent sides, arc surface intersects with upper surface constitutes circular arc cutting edge, side is intersected with upper surface constitutes main cutting edge, the upper surface of ontology inwardly concaves the rake face to form arc, rake face is equipped with the chip breaking unit equal with arc surface quantity, and chip breaking unit includes the first chip breaker and the second chip breaker of the circular arc cutting edge diagonal line distribution along setting of being corresponding to it.The utility model has many advantages, such as that chip breaking effect is good, workpiece surface quality can be improved.
Description
Technical field
The utility model belongs to cutting-tool engineering field, is related to a kind of single side tank car paring blade.
Background technology
Usually when progress turnery processing especially carries out heavily loaded roughing, need the material surplus cut off larger, and
In practical operation, in order to improve production efficiency, the parameter of machining be often arranged it is larger, this requires blade have it is higher
Intensity and rational cutting edge structure with ensure blade service life and reduce cutting resistance, meanwhile, under such cutting parameter,
Will produce intensity larger chip when such material of blade cut, this chip is often difficult to fracture, while chip need again and
When detach and remove from rotational workpieces, if the mixed and disorderly rotation of chip, curling, fracture and are discharged not in time, turning knife
Residual chip is just had between piece and workpiece, with the continuation of machining, chip can be cumulative, leads to machined surface quilt
It scratches, influences the suface processing quality of workpiece, while chip can impact cutting tip, cause breakage and the tipping of blade, reduce
The service life of blade.It, in this way can be greatly to avoid the accumulation of chip, operating personnel from having to shut down to clear up chip halfway
Production efficiency is reduced, also brings some potential safety problems to operating personnel.As it can be seen that in turnery processing, timely and effectively remove
Chip caused by cutting has a very important significance entire machining system, and chip is effectively controlled largely
The upper design depending on turning insert bathtub construction, perfect condition are by making institute with minimum energy expenditure and effective heat dissipation
The chip of generation rotates and crimps as ideal shape, finally shifts chip from cutting zone.
Invention content
The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of list that chip breaking effect is good
Face tank car paring blade.
The purpose of this utility model can be realized by following technical proposal：
A kind of single side tank car paring blade, includes the ontology that middle part has mounting hole, and the ontology has upper surface, multiple
Side and arc surface for connecting two adjacent sides, the arc surface intersects with upper surface constitutes circular arc cutting edge, described
Side intersect with upper surface and constitute main cutting edge, which is characterized in that the upper surface of the ontology inwardly concaves to form arc
Rake face, the rake face are equipped with the chip breaking unit equal with arc surface quantity, and the chip breaking unit includes along therewith
The first chip breaker and the second chip breaker for the circular arc cutting edge diagonal line distribution being correspondingly arranged.
In a kind of above-mentioned single side tank car paring blade, first chip breaker is in ellipsoid, second chip breaking
Platform is in ellipsoid, and first chip breaker is higher than the second chip breaker, and the volume of first chip breaker is less than the second chip breaker
Volume.It is compact-sized mellow and full, stress concentration is avoided, it is more preferable to resist the performance that iron filings impact for intensity higher.
In a kind of above-mentioned single side tank car paring blade, the distance of vertex to the upper surface of first chip breaker is 0.1-
The distance of 0.3mm, vertex to the upper surface of second chip breaker are 0.2-0.6mm.
In a kind of above-mentioned single side tank car paring blade, the distance of vertex to the upper surface of first chip breaker is
The distance of 0.2mm, vertex to the upper surface of second chip breaker are 0.4mm.
In a kind of above-mentioned single side tank car paring blade, the vertex of first chip breaker is away from the circular arc for setting of being corresponding to it
The vertical range of cutting edge be 2-4mm, circular arc cutting edge of the vertex away from setting of being corresponding to it of second chip breaker it is vertical
Distance is 9-10mm.
In a kind of above-mentioned single side tank car paring blade, the vertex of first chip breaker is away from the circular arc for setting of being corresponding to it
The vertical range of cutting edge be 3mm, circular arc cutting edge of the vertex away from setting of being corresponding to it of second chip breaker it is vertical away from
From for 9.6mm.
In a kind of above-mentioned single side tank car paring blade, the middle part of the upper surface and side intersection has to recessed
The arcwall face entered, the arcwall face intersects with side constitutes arc cutting edge, and above-mentioned rake face intersects with arcwall face, described
The radius of arcwall face is 40-50mm, and maximum distance of the arcwall face away from upper surface is 0.6-1mm.
In a kind of above-mentioned single side tank car paring blade, the radius of the arcwall face is 45mm, and the arcwall face is away from upper table
The maximum distance in face is 0.8mm.
In a kind of above-mentioned single side tank car paring blade, the main cutting edge is located at circular arc cutting edge and arc cutting edge
Between, the length of the main cutting edge is 2-3mm.
In a kind of above-mentioned single side tank car paring blade, the length of main cutting edge is 2.5mm.
When work, the first chip breaker can timely and effectively lift chip, reduce the radius of curvature of chip, and chip is made to generate one
Fixed bending, while contact and friction of the chip with rake face are reduced, so that chip liquid energy is sufficiently submerged in chip region, can effectively dissipate
Heat；Second chip breaker is main chip breaker, and curling can have been generated to front end and has extended the chip progress secondary coil to come, has made to cut
Bits are effectively broken off and are smoothly discharged.
Since main cutting edge is between circular arc cutting edge and arc cutting edge, knife can be increased under same chip parameter
The contact area of piece and workpiece advantageously reduces the chip power of blade, increases the heat dissipation area of blade, while controllable chip edge
The discharge of green surface side, scraping of the chip to machined surface is reduced, improves workpiece surface quality.
Compared with prior art, this single side tank car paring blade has the following advantages：
Two chip breakers are set, chip is made to generate certain bending first, then to having generated curling and having extended
Chip carry out secondary coil, so that chip is effectively broken off and be smoothly discharged；It can increase blade under same chip parameter
With the contact area of workpiece, the chip power of blade is advantageously reduced, increases the heat dissipation area of blade, reduces chip to machined surface
Scraping, improve workpiece surface quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of preferred embodiment provided by the utility model.
Fig. 2 is the vertical view of Fig. 1 provided by the utility model.
Fig. 3 is sectional view at A-A in Fig. 1 provided by the utility model.
In figure, 1, ontology；2, circular arc cutting edge；3, main cutting edge；4, rake face；5, the first chip breaker；6, the second chip breaking
Platform；7, arcwall face；8, arc cutting edge.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Single side tank car paring blade as shown in Figure 1, include middle part have mounting hole ontology 1, ontology 1 have upper surface,
Multiple sides and arc surface for connecting two adjacent sides, arc surface intersects with upper surface constitutes circular arc cutting edge 2, side with
Upper surface intersection constitutes main cutting edge 3, which is characterized in that the upper surface of ontology 1 inwardly concaves the rake face 4 to form arc, preceding
Knife face 4 is equipped with the chip breaking unit equal with arc surface quantity, and chip breaking unit includes the circular arc cutting edge 2 along setting of being corresponding to it
The first chip breaker 5 and the second chip breaker 6 of diagonal line distribution.
As shown in figures 1 and 3, the first chip breaker 5 is in ellipsoid, and the second chip breaker 6 is in ellipsoid, the first chip breaker 5
Higher than the second chip breaker 6, the volume of the first chip breaker 5 is less than the volume of the second chip breaker 6.
As shown in figure 3, the distance L1 of vertex to the upper surface of the first chip breaker 5 is 0.1-0.3mm, the second chip breaker 6
The distance L2 of vertex to upper surface is 0.2-0.6mm.Specifically, the distance L1 of vertex to the upper surface of the first chip breaker 5 is
The distance L2 of 0.2mm, vertex to the upper surface of the second chip breaker 6 are 0.4mm.
As shown in figure 3, the vertical range L3 of circular arc cutting edge 2 of the vertex of the first chip breaker 5 away from setting of being corresponding to it is
The vertical range L4 of 2-4mm, circular arc cutting edge 2 of the vertex away from setting of being corresponding to it of the second chip breaker 6 are 9-10mm.
Specifically, the vertical range L3 of circular arc cutting edge 2 of the vertex of the first chip breaker 5 away from setting of being corresponding to it is 3mm,
The vertical range L4 of circular arc cutting edge 2 of the vertex of second chip breaker 6 away from setting of being corresponding to it is 9.6mm.
As shown in Figure 1, the middle part of upper surface and side intersection has the arcwall face 7 being downwardly concaved, arcwall face 7 and side
Intersection constitutes arc cutting edge 8, and rake face 4 intersects with arcwall face 7, and the radius R of arcwall face 7 is 40-50mm, and arcwall face 7 is away from upper
The maximum distance L5 on surface is 0.6-1mm.
As shown in Fig. 2, the radius R of arcwall face 7 is 45mm, maximum distance L5 of the arcwall face 7 away from upper surface is 0.8mm.
As depicted in figs. 1 and 2, main cutting edge 3 is between circular arc cutting edge 2 and arc cutting edge 8, main cutting edge 3
Length L6 is 2-3mm.Specifically, the length L6 of main cutting edge 3 is 2.5mm.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
- Include the ontology (1) that middle part has mounting hole 1. a kind of single side tank car paring blade, the ontology (1) have upper surface, Multiple sides and arc surface for connecting two adjacent sides, the arc surface intersects with upper surface constitutes circular arc cutting edge (2), the side is intersected with upper surface constitutes main cutting edge (3), which is characterized in that the upper table of the ontology (1) is inward-facing The rake face (4) of concave shape camber, the rake face (4) is equipped with the chip breaking unit equal with arc surface quantity, described Chip breaking unit include along be corresponding to it setting circular arc cutting edge (2) diagonal line distribution the first chip breaker (5) and second break Consider platform (6) to be worth doing；First chip breaker (5) is in ellipsoid, and second chip breaker (6) is in ellipsoid, first chip breaking Platform (5) is higher than the second chip breaker (6), and the volume of first chip breaker (5) is less than the volume of the second chip breaker (6).
- 2. a kind of single side tank car paring blade according to claim 1, which is characterized in that the top of first chip breaker (5) The distance (L1) of point to upper surface is 0.1-0.3mm, and the distance (L2) of vertex to the upper surface of second chip breaker (6) is 0.2-0.6mm。
- 3. a kind of single side tank car paring blade according to claim 2, which is characterized in that the top of first chip breaker (5) The distance (L1) of point to upper surface is 0.2mm, and the distance (L2) of vertex to the upper surface of second chip breaker (6) is 0.4mm.
- 4. a kind of single side tank car paring blade according to claim 1, which is characterized in that the top of first chip breaker (5) The vertical range (L3) of circular arc cutting edge (2) of the point away from setting of being corresponding to it is 2-4mm, the vertex of second chip breaker (6) The vertical range (L4) of circular arc cutting edge (2) away from setting of being corresponding to it is 9-10mm.
- 5. a kind of single side tank car paring blade according to claim 2, which is characterized in that the top of first chip breaker (5) The vertical range (L3) of circular arc cutting edge (2) of the point away from setting of being corresponding to it is 3mm, the vertex of second chip breaker (6) away from Be corresponding to it setting circular arc cutting edge (2) vertical range (L4) be 9.6mm.
- 6. a kind of single side tank car paring blade according to claim 1, which is characterized in that intersect with side the upper surface The middle part at place has the arcwall face (7) being downwardly concaved, and the arcwall face (7) intersects with side constitutes arc cutting edge (8), on The rake face (4) stated intersects with arcwall face (7), and the radius (R) of the arcwall face (7) is 40-50mm, the arcwall face (7) away from The maximum distance (L5) of upper surface is 0.6-1mm.
- 7. a kind of single side tank car paring blade according to claim 6, which is characterized in that the radius (R) of the arcwall face (7) For 45mm, maximum distance (L5) of the arcwall face (7) away from upper surface is 0.8mm.
- 8. a kind of single side tank car paring blade according to claim 6, which is characterized in that the main cutting edge (3) is located at Between circular arc cutting edge (2) and arc cutting edge (8), the length (L6) of the main cutting edge (3) is 2-3mm.
- 9. a kind of single side tank car paring blade according to claim 8, which is characterized in that the length of the main cutting edge (3) (L6) it is 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428702.5U CN208019438U (en) | 2017-10-31 | 2017-10-31 | A kind of single side tank car paring blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428702.5U CN208019438U (en) | 2017-10-31 | 2017-10-31 | A kind of single side tank car paring blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208019438U true CN208019438U (en) | 2018-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721428702.5U Active CN208019438U (en) | 2017-10-31 | 2017-10-31 | A kind of single side tank car paring blade |
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| CN (1) | CN208019438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
-
2017
- 2017-10-31 CN CN201721428702.5U patent/CN208019438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115446339A (en) * | 2022-09-28 | 2022-12-09 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
| CN115446339B (en) * | 2022-09-28 | 2024-03-08 | 株洲钻石切削刀具股份有限公司 | Indexable turning blade |
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