CN212350400U - Slot blade with good cutting force - Google Patents
Slot blade with good cutting force Download PDFInfo
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- CN212350400U CN212350400U CN202020805809.2U CN202020805809U CN212350400U CN 212350400 U CN212350400 U CN 212350400U CN 202020805809 U CN202020805809 U CN 202020805809U CN 212350400 U CN212350400 U CN 212350400U
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- cutter
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Abstract
The utility model provides a slot blade with good cutting force, which comprises a blade body and a cutting edge fixed on the blade body; the cutting edge is provided with a front cutter face and a main cutting edge; the cutter body is provided with two pressing surfaces which are arranged side by side, and a placing groove for placing the cutter bar is formed between the two pressing surfaces; the pressing surface is used for pressing the binding surface between the cutter bar and the blade; the side surface of the same side of the cutting edge and the cutter body pressing surface is provided with an escape surface for avoiding the contact between the side surface of the cutting edge and a processed workpiece; included angles between the edge surface of the main cutting edge and two side wall surfaces connected with the edge surface of the main cutting edge are all set to be round angles; and passivating the cutting edge of the main cutting edge. The slot blade has the advantages of good cutting force, wear resistance, collapse resistance and the like; the structure is simple, and the service life is long.
Description
Technical Field
The utility model relates to a machining cutter technical field, concretely relates to fluted blade with good cutting force.
Background
The structural design of the slot blade in the prior art, the main cutting edge of the slot blade is sharp, and the main cutting edge of the slot blade is high in temperature and too sharp due to long-time high-speed work, so that the problems that the cutting edge is broken and is not wear-resistant and the like easily occur. The sharp corner of the tool nose of the slot blade is broken due to stress abrasion, and the cutting performance of the slot blade is influenced by the condition that the main cutting edge of the slot blade is seriously abraded, so that the service life of the slot blade is shortened. And also affects the quality of the workpiece being machined. In order to improve the cutting force of the slot blade, i.e. to improve the stability of the slot blade during the machining process, and to prolong the service life of the blade, the following two main problems need to be overcome: (1) changing the traditional sharp corner structure of the main cutting edge of the slot blade, and changing the design of the sharp corner structure; (2) the structure of the main cutting edge of the slot insert is changed in design.
Therefore, in order to solve the problems in the prior art, it is important to provide a slot insert structure that has a simple structure, a tip is not easily broken, the wear of the main cutting edge can be reduced, and the cutting force can be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a slot blade with good cutting force, which has a stable structure, and the included angle between the edge surface of the main cutting edge and the two side wall surfaces connected with the edge surface of the main cutting edge is set as a round angle, so that the strength of the two side edges of the main cutting edge is greatly improved, and the collapse resistance of the tool tip is enhanced; meanwhile, the sharpness of the cutting edge of the main cutting edge is changed, and passivation treatment is carried out on the cutting edge to enhance the wear resistance of the cutting edge, so that the service life of the blade is prolonged while the machining efficiency of the cutter is not influenced. The slot blade has the advantages of good cutting force, wear resistance, collapse resistance and the like; the structure is simple, and the service life is long. The problem of among the prior art slot blade's knife tip easy breakage in the course of working, main cutting edge serious wear is solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a slot blade with good cutting force comprises a cutter body and a cutting edge fixed on the cutter body; the cutting edge is provided with a front cutter face and a main cutting edge;
the cutter body is provided with two pressing surfaces which are arranged side by side, and a placing groove for placing the cutter bar is formed between the two pressing surfaces; the pressing surface is used for pressing the binding surface between the cutter bar and the blade;
the side surface of the same side of the cutting edge and the cutter body pressing surface is provided with an escape surface for avoiding the contact between the side surface of the cutting edge and a processed workpiece;
included angles between the edge surface of the main cutting edge and two side wall surfaces connected with the edge surface of the main cutting edge are all set to be round angles; and passivating the cutting edge of the main cutting edge.
Specifically, the groove blade of the above technical scheme increases the contact point between the blade edge and the workpiece by changing the shape of the blade tip of the groove blade; the included angle between the edge surface of the main cutting edge and the two side wall surfaces is changed into a fillet, so that the strength of the edges on the two sides of the main cutting edge is greatly improved, the collapse resistance of the tool tip of the tool edge is enhanced, and the service life of the slot blade is prolonged; the wear resistance of the main cutting edge is enhanced by changing the sharpness of the main cutting edge, i.e. edge passivation.
Specifically, the design of the clearance surface can avoid the contact between the side surface and the workpiece when the cutter processes the workpiece, and reduce the resistance on the blade.
Specifically, the pressing surface is used for pressing the joint surface between the cutter bar and the blade through the locking screw when the cutter bar locks the slot blade.
Particularly, when a workpiece is cut, the sharpness of the main cutting edge is changed by enhancing the passivation of the main cutting edge, the cutting effect is not influenced, and meanwhile, the wear resistance of the main cutting edge is improved, so that the service life of the cutter is further prolonged.
Preferably, the shape of the passivated cutting edge of the main cutting edge comprises an arc-shaped cutting edge and a waterfall-shaped cutting edge.
Preferably, the main cutting edge facet is provided with a plurality of raised points.
Specifically, the design of the salient points has the function of squeezing chips off when a workpiece is processed.
The number of the salient points on the cutting surface of the main cutting edge is gradually reduced from the cutting edge to the cutter body.
Specifically, the number of the salient points arranged close to the blade edge is large, when the blade is used for processing a workpiece, the fragments can come out from the blade edge, and the plurality of the salient points are arranged at the blade edge, so that the fragments can be better extruded.
And the distance between the salient points is gradually reduced from the cutting edge of the main cutting edge to the direction of the cutter body.
Preferably, the front knife face is provided with a chip removal block.
Preferably, the main cutting edge has two.
More than, two main cutting edges are respectively with the both ends fixed connection of cutter body.
The utility model has the advantages that:
the utility model provides a slot blade, it makes main cutting edge both sides blade intensity improve by a wide margin through setting the contained angle of main cutting edge blade face and its two side wall face that link to each other as the fillet, strengthens the anti-collapse nature of knife tip; meanwhile, the sharpness of the cutting edge of the main cutting edge is changed, and passivation treatment is carried out on the cutting edge to enhance the wear resistance of the cutting edge, so that the service life of the blade is prolonged while the machining efficiency of the cutter is not influenced. The slot blade has the advantages of good cutting force, wear resistance, collapse resistance and the like; the structure is simple, and the service life is long.
Drawings
Fig. 1 is a schematic structural view of a slot blade provided by the present invention;
fig. 2 is a schematic view of the convex point distribution of the slot blade provided by the present invention.
Description of the reference numerals
1, a cutter body and a blade 2;
11, pressing surfaces and 12 placing grooves; 21 main cutting edge, 21a cutting edge, 22 clearance surface, 23 wall surface, 24 convex point and fillet theta.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 2, the present embodiment provides a grooving insert having a good cutting force, the grooving insert comprising a cutter body 1, and a cutting edge 2 fixed to the cutter body 1; the cutting edge 2 is provided with a front cutter face and a main cutting edge 21;
the cutter body 1 is provided with two pressing surfaces 11 arranged side by side, and a placing groove 12 for placing a cutter bar is formed between the two pressing surfaces 11; the pressing surface 11 is used for pressing a joint surface between the cutter bar and the cutter blade;
the side surface of the cutting edge 2 on the same side with the pressing surface 11 of the cutter body 1 is provided with an escape surface 22 for avoiding the contact between the side surface of the cutting edge 2 and a workpiece to be processed;
included angles between the edge surface of the main cutting edge 21 and the two side wall surfaces 23 connected with the edge surface are set to be round angles theta; the cutting edge 21a of the main cutting edge is passivated.
In the present embodiment, the main cutting edges 21 have two; the two main cutting edges 21 are respectively fixedly connected with two ends of the cutter body 1.
Specifically, the groove blade of the above technical solution increases the contact point of the blade edge 2 and the workpiece by changing the shape of the blade tip of the groove blade; the included angle between the edge surface of the main cutting edge 21 and the two side wall surfaces 23 is changed into a fillet theta, so that the strength of the cutting edges 21a on the two sides of the main cutting edge is greatly improved, the breakage resistance of the tool nose of the cutting edge 2 is enhanced, and the service life of the slot blade is prolonged; the wear resistance of the main cutting edge 21 is enhanced by changing the sharpness of the main cutting edge 21, i.e., the edge 21a is dulled. The design of the clearance surface 22 can avoid the contact between the side surface and the workpiece when the cutter processes the workpiece, and reduce the resistance received by the blade.
Specifically, the pressing surface 11 is used for pressing the joint surface between the cutter bar and the blade through a lock screw when the cutter bar locks the slot blade.
Specifically, when a workpiece is cut, the sharpness of the main cutting edge 21 is changed by enhancing the passivation of the main cutting edge 21, the cutting effect is not influenced, and meanwhile, the wear resistance of the main cutting edge 21 is improved, so that the service life of the cutter is further prolonged.
In this embodiment, the major cutting edge 21 facet is provided with six overhangs 24. The raised points 24 are designed to break debris as the workpiece is machined.
The number of the convex points 24 on the edge surface of the main cutting edge 21 gradually decreases from the cutting edge 21a toward the cutter body 1. The projections 24 are provided in a large number near the cutting edge 21a, and chips come out from the cutting edge 21a when the blade is processing a workpiece, and the projections 24 are provided at the cutting edge 21a, so that the chips can be better crushed.
The distance between the convex points 24 is gradually reduced from the cutting edge 21a of the main cutting edge towards the cutter body 1.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. A slot blade with good cutting force comprises a cutter body and a cutting edge fixed on the cutter body; the cutting edge is provided with a front cutter face and a main cutting edge; it is characterized in that the preparation method is characterized in that,
the cutter body is provided with two pressing surfaces which are arranged side by side, and a placing groove for placing the cutter bar is formed between the two pressing surfaces; the pressing surface is used for pressing the binding surface between the cutter bar and the blade;
the side surface of the same side of the cutting edge and the cutter body pressing surface is provided with an escape surface for avoiding the contact between the side surface of the cutting edge and a processed workpiece;
included angles between the edge surface of the main cutting edge and two side wall surfaces connected with the edge surface of the main cutting edge are all set to be round angles; and passivating the cutting edge of the main cutting edge.
2. The slot blade of claim 1, wherein the primary cutting edge passivation shape comprises a circular arc edge, a waterfall edge.
3. The slot insert of claim 1 wherein said major cutting edge land is provided with a plurality of raised points.
4. The slot insert of claim 3 wherein the number of peaks of said major cutting edge facet decreases from said cutting edge in a direction toward said body.
5. A slot insert according to claim 3 wherein the distance between said nibs decreases from the cutting edge of the primary cutting edge towards the body of the tool.
6. The slot insert of claim 1, wherein the rake surface is provided with chip removal features.
7. The slot insert according to claim 1, wherein the main cutting edge has two.
8. The slot insert of claim 7, wherein the two main cutting edges are fixedly attached to respective ends of the cutter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020805809.2U CN212350400U (en) | 2020-05-14 | 2020-05-14 | Slot blade with good cutting force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020805809.2U CN212350400U (en) | 2020-05-14 | 2020-05-14 | Slot blade with good cutting force |
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| Publication Number | Publication Date |
|---|---|
| CN212350400U true CN212350400U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020805809.2U Active CN212350400U (en) | 2020-05-14 | 2020-05-14 | Slot blade with good cutting force |
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| CN (1) | CN212350400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305646A (en) * | 2021-05-07 | 2021-08-27 | 武汉城市职业学院 | Tool and cutting dynamics simulation system and method thereof |
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2020
- 2020-05-14 CN CN202020805809.2U patent/CN212350400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305646A (en) * | 2021-05-07 | 2021-08-27 | 武汉城市职业学院 | Tool and cutting dynamics simulation system and method thereof |
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