CN214867327U - Knife grain, blade and turning tool with chip breaker and smoothing edge - Google Patents
Knife grain, blade and turning tool with chip breaker and smoothing edge Download PDFInfo
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- CN214867327U CN214867327U CN202120186576.7U CN202120186576U CN214867327U CN 214867327 U CN214867327 U CN 214867327U CN 202120186576 U CN202120186576 U CN 202120186576U CN 214867327 U CN214867327 U CN 214867327U
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Abstract
The utility model discloses a take sword grain, blade and lathe tool of chip-breaker groove and finishing sword, including the cutter arbor, its tool bit is provided with the step that is used for joining in marriage the dress blade, and the blade rigid coupling is on the step, and two diagonal angles of blade set up respectively and inlay the step, every inlays to join in marriage a sword grain of joining in marriage respectively in putting the step, and this sword grain is sheet polygon structure, and the apex angle that two adjacent limits formed is the cutting angle, the cutting angle includes the cutting edge of circular arc to and be located the finishing sword of cutting edge both sides, the one end cutting edge smooth connection of finishing sword, the other end and the side smooth connection of sword grain, through increasing chip-breaker groove and finishing sword, can improve workpiece surface roughness and cutter feed volume to iron fillings winding cutter and iron fillings fish tail work piece surface's problem in the continuous processing has effectively been solved, satisfies the requirement of high feed and high finish of parts processing.
Description
Technical Field
The utility model relates to a machining cutter field specifically is a take sword grain, blade and lathe tool of chip-breaker and smoothing sword.
Background
The PCBN cutter is mainly used for cutting machining of ferrous metal, is particularly suitable for cutting machining of hard-to-machine materials such as quenched steel, and occupies a high proportion in the aspects of automobile manufacturing industry, automatic production lines and the like. At present, when a quenched steel workpiece is processed into a slender hole, the requirement on the roughness of the hole wall is high, and the requirement can be met only under the condition that the feeding of a common PCBN blade is very small, so that the processing time is very long, the cutting efficiency is low, and the processing cost is overhigh; and the scrap iron after processing is blocked in the hole instead of being wound on a cutter, so that the processing efficiency is influenced and the hole wall is easily scratched. The purpose of the design is to remedy the defects of the two aspects.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a take sword grain, blade and the lathe tool of chip breaker and smoothing sword increases chip breaker and smoothing sword on the blade, improves workpiece surface roughness and cutter feed volume to effectively solved iron fillings winding cutter and iron fillings fish tail workpiece surface's problem in the continuous processing.
The utility model discloses a realize through following technical scheme:
a knife particle with a chip breaker groove and a smoothing edge is of a sheet-shaped polygonal structure, a vertex angle formed by two adjacent edges is a cutting angle, and the included angle of the two edges is not more than 90 degrees;
the cutting angle comprises an arc cutting edge and finishing edges positioned on two sides of the cutting edge, one end of each finishing edge is smoothly connected with the cutting edge, and the other end of each finishing edge is smoothly connected with the side edge of each cutter particle.
Preferably, the width of the wiper edge is 0.3-0.6 mm.
Preferably, a chip breaker groove is formed in the end face of the cutter blade.
Preferably, the chip breaker is in the same shape as the cutting edge near the side wall of the cutting edge, and the distance between the side wall and the cutting edge is 0.2-0.5 mm.
Preferably, the side wall of the chip breaker is a bevel.
Preferably, the shape of the knife grain is triangle or quadrangle.
A working angle of the blade is provided with an embedding step, the blade with the chip breaking groove and the finishing edge is assembled in the embedding step, and the included angle of the working angle is the same as that of the cutting angle of the blade.
Preferably, the blade is of a diamond structure, two opposite corners of the blade are respectively provided with an embedding step, and each embedding step is internally provided with a blade.
Preferably, the center of the blade is provided with a fixing hole.
A turning tool with chip breaker and flat cutting edge is composed of a tool holder with a step for installing said blade, and a blade fixed to said step.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a pair of take chip breaker groove and sword grain of sleeking sword, set up the sleeking sword in the cutting side of cutting edge, this sleeking sword adopts the arc structure, the cutting edge carries out the surplus to the work piece and cuts during processing, then the sleeking sword is maintained the surface after the cutting, improve the smooth finish of work piece, simultaneously because the sleeking sword adopts the arc structure, circular arc sleeking sword atress direction is different, consequently, the radial force that the cutter arbor that can greatly reduced received, thereby reduce the risk of cutter arbor vibrations, secondly, adopt circular arc sleeking sword can improve feed amount to 0.2 ~ 0.4(mm/r) when the finish machining quenches the steel work piece, compare with ordinary PCBN blade, process time shortens to original 0.5 ~ 0.25 times, efficiency promotes 3 ~ 5 times.
Further, the chip breaker groove on the surface of the cutter grain changes the deformation of the iron chips during machining, so that the iron chips are broken, the problem that the cutter is wound by the iron chips and the iron chips are blocked in the hole is effectively avoided, and the risk that the workpiece is scratched by the iron chips is also effectively avoided.
Drawings
Fig. 1 is a schematic plan view of a blade according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1A-A;
FIG. 3 is a view showing the structure of the knife of the present invention;
FIG. 4 is a schematic structural diagram of the turning tool of the present invention;
FIG. 5 is a diagram of the turning tool according to the present invention;
fig. 6 is an enlarged view of the insert of fig. 5 in a cutting state.
In the figure: 1. a first knife blade; 2. a first knife blade; 3. a blade; 4. a cutting edge; 5. smoothing the edge; 6. A chip breaker groove; 7. a cutter bar; 8. and (5) a workpiece.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 1-4, a knife with a chip breaker and a smoothing edge, the knife is a sheet-shaped polygonal structure, the vertex angle formed by two adjacent edges is a cutting angle, and the included angle between the two edges is not more than 90 degrees;
the cutting angle comprises a circular arc cutting edge 4 and finishing edges 5 positioned on two sides of the cutting edge, one end of the cutting edge 4 of each finishing edge 5 is connected smoothly, and the other end of each finishing edge is connected smoothly with the side edge of each cutter grain.
The width of the smoothing edge 5 is 0.3-0.6 mm.
The end face of the cutter grain is provided with a chip breaker 6, the shape of the chip breaker 6 close to the side wall of the cutting edge 4 is the same as that of the cutting edge, the distance between the chip breaker 6 and the cutting edge 4 is 0.2-0.5mm, and the side wall of the chip breaker 6 is an inclined surface.
The chip breaker groove 6 is crescent.
The shape of the knife particles is triangle or quadrangle.
The material of sword grain is PCBN.
The utility model provides a take sword grain of chip-breaker groove and smoothing sword sets up the smoothing sword in the cutting side of cutting edge, this smoothing sword adopts the arc structure, the cutting edge carries out the surplus to the work piece and cuts in processing, then the smoothing sword is maintained the surface after cutting, improve the smooth finish of work piece, simultaneously because the smoothing sword adopts the arc structure, circular arc smoothing sword atress direction is different, consequently can greatly reduce the radial force that the cutter arbor received, thereby reduce cutter arbor vibrations risk, secondly, adopt circular arc smoothing sword can improve the feed rate when finish machining quenching steel work piece to 0.2 ~ 0.4(mm/r), compare with ordinary PCBN blade, the process time shortens to original 0.5 ~ 0.25 times, efficiency promotes 3 ~ 5 times, finally, the sword grain surface changes iron fillings deformation when processing absolutely to break iron fillings, thereby effectively avoid winding cutter and iron fillings stifled the problem in the chip groove, and the risk that scrap iron scratches the workpiece is effectively avoided.
A blade with a chip breaker and a smoothing edge comprises a blade 3 and the blade grain with the chip breaker and the smoothing edge.
The blade is of a diamond structure, two opposite corners of the blade 4 are provided with embedded steps, two knife grains are respectively assembled in the two steps of the opposite corners, and the included angle of the opposite corners is the same as that of the cutting angle of the knife grains, namely 80 degrees.
The cutter particles are welded on the embedding steps of the cutter blades, and the centers of the cutter blades are provided with fixing holes for fixing the cutter blades on the cutter bar.
In another embodiment, the blade pellet and the blade are of unitary construction.
A turning tool with a chip breaker groove and a smoothing edge comprises a tool bar 7, wherein a tool bit of the turning tool is provided with a step for assembling a blade 3, the step is provided with a screw hole, and when the blade is assembled on the step, the screw hole is coaxial with a fixing hole of the blade and is fixedly connected with the tool bit through a bolt blade.
Referring to fig. 5 and 6, when turning the inner hole of the workpiece 8, the cutter bar is inserted into the inner hole, the cutting edge of the cutter grain cuts the allowance of the inner hole, Ap is the cutting amount, and the smoothing edge smoothes the cut surface to improve the smoothness of the inner hole. Because two opposite angles of the blade are provided with the cutter particles, the blade can be rotatably installed after one cutter particle is worn, and the other cutter particle is used for continuous processing, so that the service life of the blade is prolonged.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (10)
1. A knife grain with a chip breaker groove and a smoothing edge is characterized in that the knife grain is of a sheet-shaped polygonal structure, a vertex angle formed by two adjacent edges is a cutting angle, and the included angle of the two edges is not more than 90 degrees;
the cutting angle comprises a circular arc cutting edge (4) and smoothing edges (5) positioned on two sides of the cutting edge, one end of each smoothing edge (5) is smoothly connected with the cutting edge (4), and the other end of each smoothing edge is smoothly connected with the side edge of each cutter grain.
2. The tool bit with chip breaker and wiper edge as set forth in claim 1, characterized in that the width of the wiper edge (5) is 0.3-0.6 mm.
3. The cutting insert with chip breaker and wiper edge as set forth in claim 1, characterized in that the chip breaker (6) is provided on the end surface of the cutting insert.
4. A tool with chip breaker and wiper as defined in claim 3, characterized in that the chip breaker (6) has the same shape as the cutting edge (4) near the side wall of the cutting edge, which is at a distance of 0.2-0.5mm from the cutting edge (4).
5. A tool bit with chip breaker and wiper edge as defined in claim 3, characterized in that the side wall of the chip breaker (6) is a bevel.
6. The tool bit with the chip breaker and the wiper edge as set forth in claim 1, wherein the shape of the tool bit is triangular or quadrangular.
7. A blade with chip breaker and flat cutting edge, characterized in that the working angle of the blade (3) is provided with an embedding step, the blade with chip breaker and flat cutting edge of any one of claims 1-6 is assembled in the embedding step, and the included angle of the working angle is the same as the included angle of the cutting angle of the blade.
8. The blade with the chip breaker and the flat cutting edge as claimed in claim 7, wherein the blade is of a diamond structure, two opposite corners of the blade (3) are respectively provided with an embedding step, and each embedding step is respectively provided with a blade.
9. The chip breaker and wiper blade insert as defined in claim 7 wherein said insert is centrally provided with a securing hole.
10. A turning tool with chip breaker and wiper edge, characterized in that it comprises a tool holder (7) with a step for fitting a blade (3) according to any of claims 7-9, which is fastened to the step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120186576.7U CN214867327U (en) | 2021-01-23 | 2021-01-23 | Knife grain, blade and turning tool with chip breaker and smoothing edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120186576.7U CN214867327U (en) | 2021-01-23 | 2021-01-23 | Knife grain, blade and turning tool with chip breaker and smoothing edge |
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| Publication Number | Publication Date |
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| CN214867327U true CN214867327U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120186576.7U Active CN214867327U (en) | 2021-01-23 | 2021-01-23 | Knife grain, blade and turning tool with chip breaker and smoothing edge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086342A (en) * | 2023-10-09 | 2023-11-21 | 深圳市海洲数控机械刀具有限公司 | Complex contour forming cutter |
-
2021
- 2021-01-23 CN CN202120186576.7U patent/CN214867327U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086342A (en) * | 2023-10-09 | 2023-11-21 | 深圳市海洲数控机械刀具有限公司 | Complex contour forming cutter |
| CN117086342B (en) * | 2023-10-09 | 2024-03-12 | 深圳市海洲数控机械刀具有限公司 | Complex contour forming cutter |
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