CN220295865U - Cutting blade and cutting knife - Google Patents

Abstract

The utility model relates to the technical field of cutting processing, in particular to a cutting blade and a cutting knife, the cutting blade comprises a blade body, the blade body comprises an upper surface, a lower surface and a side surface, the side surface is used for connecting the upper surface and the lower surface, a first cutting edge used for cutting is formed at the intersection position of the upper surface and the side surface, the side surface is vertically arranged relative to the upper surface and the lower surface, a second cutting edge used for cutting is formed at the intersection position of the lower surface and the side surface, and compared with a conventional cutting blade in the prior art, the cutting blade has two cutting edges, so that the cost performance is ensured, and the cutting efficiency is greatly improved.

Description

Cutting blade and cutting knife

Technical Field

The utility model relates to the technical field of cutting machining, in particular to a cutting insert and a cutting knife.

Background

In the metal cutting process, cutting is generally performed by a cutting tool.

The shape of the cutting edge of the cutting tool generally has a great influence on the performance of the tool, as shown in fig. 1, the existing cutting blade is generally in a frustum structure, the cutting blade is generally provided with only one cutting edge, the cost performance is low, the cutting edges of the existing cutting blade are generally positioned on the same plane, and the chip removal efficiency is low and the cutting resistance cannot be effectively dispersed by adopting the structural design, so that the service life of the cutting tool is low.

In view of this, the present application is specifically proposed.

Disclosure of Invention

In view of the above problems, in a first aspect, an embodiment of the present utility model provides a cutting insert, which has two cutting edges compared with a conventional cutting insert in the prior art through structural design, and greatly improves cutting efficiency while ensuring cost performance; in a second aspect, an embodiment of the present utility model further provides a cutting blade, based on the cutting insert, to further ensure cutting efficiency of the cutting blade.

The embodiment of the utility model is realized by the following technical scheme:

first aspect

The embodiment of the utility model provides a cutting blade, which comprises a blade body, wherein the blade body comprises an upper surface, a lower surface and a side surface, the side surface is used for connecting the upper surface and the lower surface, a first cutting edge used for cutting is formed at the intersection position of the upper surface and the side surface, the side surface is vertically arranged relative to the upper surface and the lower surface, and a second cutting edge used for cutting is formed at the intersection position of the lower surface and the side surface.

In this scheme, the blade body includes upper surface, lower surface and is used for connecting the side of upper surface and lower surface, wherein, the side compares in upper surface and lower surface perpendicular setting, in the crossing position of side and upper surface and lower surface, forms two cutting edge mechanisms that can be used for cutting, adopts this kind of structural design, compares conventional cutting blade in prior art, has two cutting edges, has promoted cutting efficiency greatly in the cost performance when guaranteeing.

Further, the first cutting edge and the second cutting edge are both wavy cutting edges, the wavy cutting edges are provided with four wave troughs, and connecting lines of two opposite wave troughs are perpendicular to each other.

Further, the upper surface and the lower surface are both provided with positioning parts for connection with the cutter bar.

Further, the positioning part is of a groove/protrusion structure.

Second aspect

The embodiment of the utility model also provides a cutting knife, which comprises the cutting blade and a knife bar body, wherein the knife bar body is provided with a knife mounting part, and the knife mounting part is used for mounting the cutting blade.

Further, the number of the cutter mounting portions is plural, and the plurality of cutter mounting portions are in one-to-one correspondence with the cutting inserts.

Further, a plurality of cutter mounting portions are arranged at intervals along the circumferential direction of the cutter bar body.

Further, the tool mounting portion has a mating structure for mating the cutting insert.

Further, the mating structure is a groove/protrusion structure.

Further, when the engagement structure is engaged with the cutting insert to secure the cutting insert to the tool mounting portion, a line connecting two opposite valleys is perpendicular/parallel to an axis of the tool bar body.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the embodiment of the utility model provides a cutting blade, which comprises a blade body, wherein the blade body comprises an upper surface, a lower surface and a side surface for connecting the upper surface and the lower surface, the side surface is vertically arranged compared with the upper surface and the lower surface, two cutting edge mechanisms which can be used for cutting are formed at the intersection positions of the side surface, the upper surface and the lower surface, and compared with the conventional cutting blade in the prior art, the cutting blade has two cutting edges, so that the cost performance is ensured, and the cutting efficiency is greatly improved;

the embodiment of the utility model also provides a cutting blade, which is based on the cutting blade, and further ensures the cutting efficiency of the cutting blade.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:

FIG. 1 is a schematic view of a prior art cutting insert;

fig. 2 is a schematic structural view of a cutting insert according to an embodiment of the present utility model;

FIG. 3 is a side view of a cutting insert provided in an embodiment of the present utility model;

FIG. 4 is a rear view of a cutting insert provided in an embodiment of the present utility model;

fig. 5 is a schematic view of a cutting blade (without a blade) according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a tool mounting portion according to an embodiment of the present utility model.

In the drawings, the reference numerals and corresponding part names:

100-insert body, 110-upper surface, 120-lower surface, 130-side surface, 141-first cutting edge, 142-second cutting edge, 150-positioning portion, 200-tool shank body, 210-tool mounting portion, 220-mating structure.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the utility model.

Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the utility model. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

Examples

As shown in fig. 2 to 4, an embodiment of the present utility model provides a cutting insert, including an insert body 100, the insert body 100 including an upper surface 110, a lower surface 120, and a side surface 130, the side surface 130 being for connecting the upper surface 110 and the lower surface 120, wherein an intersection position of the upper surface 110 and the side surface 130 forms a first cutting edge 141 for cutting, the side surface 130 is disposed perpendicularly with respect to the upper surface 110 and the lower surface 120, and an intersection position of the lower surface 120 and the side surface 130 forms a second cutting edge 142 for cutting.

In this embodiment, the insert body 100 includes an upper surface 110, a lower surface 120, and a side surface 130 for connecting the upper surface 110 and the lower surface 120, where the side surface 130 is perpendicular to the upper surface 110 and the lower surface 120, and two cutting edge mechanisms capable of being used for cutting are formed at the intersection positions of the side surface 130, the upper surface 110 and the lower surface 120, and compared with a conventional cutting insert in the prior art, the insert body has two cutting edges, so that the cutting efficiency is greatly improved while the cost performance is ensured.

In some embodiments, as shown in fig. 3, the first cutting edge 141 and the second cutting edge 142 are each a wavy cutting edge having four valleys, wherein the lines of the two opposite valleys are perpendicular to each other.

The cutting resistance can be dispersed and the service life of the cutting edge can be prolonged through the structural design of the wavy cutting edge.

As shown in fig. 2 and 4, in some embodiments, the upper surface 110 and the lower surface 120 are provided with a positioning portion 150 for connecting with a tool bar.

In some embodiments, the detent 150 is a groove/protrusion arrangement.

Specifically, through the structural design of the positioning portion 150, the connection between the cutting insert and the cutter bar can be facilitated, so that the cutting insert is positioned on the cutter bar.

As shown in fig. 5-6, an embodiment of the present utility model further provides a cutting insert, including a cutting insert as described above, and further includes a tool holder body 200, the tool holder body 200 having a tool mounting portion 210, the tool mounting portion 210 being configured to mount the cutting insert.

As a specific embodiment for realizing the mounting of the cutting insert on the holder body 200, as shown in fig. 5, it may be realized by means of a screw.

In some embodiments, the plurality of tool mounting portions 210 is a plurality, and the plurality of tool mounting portions 210 is in one-to-one correspondence with the cutting insert.

Further, the plurality of tool mounting portions 210 are disposed at intervals along the circumferential direction of the tool bar body 200.

Specifically, by the structural design of the plurality of cutter mounting portions 210, the plurality of cutting blades can be mounted, and the cutting efficiency of the cutting blade can be improved.

In some embodiments, the tool mounting portion 210 has a mating structure 220 for the cutting insert to mate with.

In some embodiments, the mating structure 220 is a groove/protrusion structure.

Specifically, in this embodiment, the matching structure 220 is a groove or a protrusion structure, it should be noted that the matching structure 220 is used for matching cutting blades with each other, so as to implement installation of the cutting blades, the cutting blades are provided with positioning portions 150 corresponding to the matching structure 220, and the positioning portions 150 are protrusions or groove structures adapted to the matching structure 220.

Specifically, as shown in fig. 2 and fig. 6, the matching structure 220 and the positioning portion 150 are both in a cross structure, and positioning of the cutting insert is achieved in the horizontal and vertical directions, so that on one hand, stability of the cutting insert in the process of matching with the cutter bar is ensured; on the other hand, through the structural design at the locating part 150, the cutting blade can be conveniently located in the processing process, and the stability of the blade processing process is ensured, so that the yield of the cutting blade is improved.

In some embodiments, when the mating structure 220 mates with the cutting insert to secure the cutting insert to the tool mounting portion 210, the line connecting the opposing two valleys is perpendicular/parallel to the axis of the tool bar body 200.

The cutting edges on two sides of the trough position of the cutting edge are equal in length through the relative positions of the cutting blade, namely when the cutting blade is mounted on the cutter bar structure, so that the lengths of the cutting edges on two sides of the chip groove in the machining process of the part to be cut are ensured to be identical, and the machining effect is ensured.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. Cutting insert comprising an insert body (100), the insert body (100) comprising an upper surface (110), a lower surface (120) and a side surface (130), the side surface (130) being for connecting the upper surface (110) and the lower surface (120), wherein an intersection of the upper surface (110) and the side surface (130) forms a first cutting edge (141) for cutting,

the side surface (130) is vertically arranged relative to the upper surface (110) and the lower surface (120), and a second cutting edge (142) for cutting is formed at an intersection position of the lower surface (120) and the side surface (130);

the first cutting edge (141) and the second cutting edge (142) are wavy cutting edges, the wavy cutting edges are provided with four wave troughs, and connecting lines of two opposite wave troughs are perpendicular to each other.

2. A cutting insert according to claim 1, wherein the upper surface (110) and the lower surface (120) are each provided with a positioning portion (150) for connection with a tool holder.

3. A cutting insert according to claim 2, wherein the positioning portion (150) is a groove/protrusion structure.

4. A cutting insert, characterized by comprising a cutting insert according to any one of claims 1-3, further comprising a holder body (200), the holder body (200) having a tool mounting portion (210), the tool mounting portion (210) being adapted to mount the cutting insert.

5. The cutting insert according to claim 4, wherein the plurality of cutter mounting portions (210) is provided, the plurality of cutter mounting portions (210) being in one-to-one correspondence with the cutting insert.

6. The cutting tool according to claim 5, wherein a plurality of the tool mounting portions (210) are disposed at intervals along the circumferential direction of the tool holder body (200).

7. The cutting insert according to claim 4, wherein the tool mounting portion (210) has a mating structure (220) for the cutting insert to mate.

8. The cutting tool according to claim 7, wherein the mating structure (220) is a groove/protrusion structure.

9. The cutting insert according to claim 7 or 8, wherein when the mating structure (220) and the cutting insert are mated to effect the fixation of the cutting insert on the tool mounting portion (210), wherein the line of the two opposing valleys is perpendicular/parallel to the axis of the tool holder body (200).