Cutting edge segmented multi-point cutting drill bit

Abstract

The utility model discloses a cutting edge segmented multi-point cutting drill bit, which comprises a drill bit body, a cutting part of the drill bit body is formed by mutually staggering two cutting edge strips, one side of each cutting edge strip is provided with two cutting edges, drill tips of the two cutting edge strips are provided with cutting edges, the outer walls of the two cutting edge strips are provided with chip grooves, and the chip grooves are communicated with the cutting edge strips. Grooves are formed in the cutting edge, the number of the grooves is two, and the two sets of grooves and the cutting edge are in stroke complementation. The drill bit has the beneficial effects that the penetration speed is greatly increased, heat generation of a single cutting point is reduced through dispersed cutting force, and the service life of the drill bit is prolonged. And multi-point cutting is beneficial to keeping the drill bit stable and reducing vibration, so that the machining precision is improved. And the device is also suitable for processing various materials.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling tools, and specifically, to an improvement of a cutting drill bit. Background Art

[0002] When a traditional drill bit is in use, its cutting part usually has only one or a few cutting points, which may cause problems such as low cutting efficiency, heat accumulation, and uneven cutting force when processing certain materials. Especially when it is necessary to quickly penetrate hard materials or perform precise machining, this design often fails to meet the requirements. Summary of the Utility Model

[0003] (I) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the utility model provides a cutting-edge segmented multi-point cutting drill bit. By setting multiple cutting points on the cutting edge, it can significantly improve the cutting efficiency and precision, while reducing heat accumulation and extending the service life of the drill bit, thereby solving the problems of low cutting efficiency, heat accumulation, and uneven cutting force.

[0005] (II) Technical Solutions

[0006] To achieve the advantages of significantly improving the cutting efficiency and precision, while reducing heat accumulation and extending the service life of the drill bit by setting multiple cutting points on the cutting edge, the specific technical solutions adopted by the utility model are as follows:

[0007] The cutting-edge segmented multi-point cutting drill bit includes a drill bit body. The cutting part of the drill bit body is composed of two mutually staggered cutting edge bands. Two cutting edges are provided on one side of each of the two cutting edge bands. A cutting edge opening is provided at the drill tip of the two cutting edge bands. Chip removal grooves are formed on the outer walls of the two cutting edge bands. Grooves are formed on the cutting edge opening, and there are two groups of the grooves, and the positions of the two groups of grooves and the cutting edge opening are complementary in stroke.

[0008] Furthermore, both of the two cutting edge openings are provided with a back angle, and the cutting edge opening communicates with the chip removal groove.

[0009] Furthermore, the two cutting edges are located on both sides of the openings of the two chip removal grooves.

[0010] Furthermore, the grooves are formed on the cutting edge opening and extend to the chip removal groove, and the grooves are in an arc or rectangular shape.

[0011] (III) Beneficial Effects

[0012] Compared with the prior art, the utility model provides a cutting-edge segmented multi-point cutting drill bit, which has the following

[0013] beneficial effects:

[0014] The multi-point cutting design enables the drill bit to cut at multiple points simultaneously, greatly improving the penetration speed. The dispersed cutting force reduces the heat generation at a single cutting point, contributing to the extension of the drill bit's service life. The multi-point cutting helps to maintain the stability of the drill bit, reduce vibration, thereby improving the machining accuracy. It can also be applied to the machining of various materials. Brief Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0016] Figure 1 is a schematic structural diagram of the present invention;

[0017] Figure 2 is one of the partial structural diagrams of the present invention;

[0018] Figure 3 is the second of the partial structural diagrams of the present invention.

[0019] In the figure: drill bit body 1, cutting edge band 2, cutting edge 3, chip flute 5, cutting edge opening 4, groove 6. Detailed Embodiments

[0020] To further illustrate the embodiments, the present invention provides drawings. These drawings are a part of the disclosure of the present invention, mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0021] According to the embodiments of the present invention, a drill bit with segmented multi-point cutting on the cutting edge is provided.

[0022] Now, the present invention will be further described in conjunction with the drawings and specific embodiments, as Figures 1-3As shown in the figure, the multi-point cutting drill bit with segmented cutting edges according to the embodiment of the present utility model includes a drill bit body 1. The cutting part of the drill bit body 1 is composed of two cutting edge bands 2 that intersect with each other. On one side of each of the two cutting edge bands 2, two cutting edges 3 are provided. At the drill tip of the two cutting edge bands 2, a cutting edge opening 4 is provided. Chip removal grooves 5 are formed on the outer walls of the two cutting edge bands 2. Grooves 6 are formed on the cutting edge opening 4. There are two groups of the grooves 6, and the positions of the two groups of grooves 6 and the cutting edge opening 4 are complementary in stroke. The pressure on the cutting edge is increased, achieving a more sharp cutting effect. After one group of cutting edge openings 4 finishes cutting, a mark will be left, and the other group of cutting edge openings 4 performs complementary cutting. The positions of the grooves 6 are inconsistent, and the two groups of grooves 6 and the two groups of cutting edge openings 4 perform complementary cutting.

[0023] In one embodiment, both of the two cutting edge openings 4 are provided with a back angle, and the cutting edge opening 4 communicates with the chip removal groove 5. Thereby, the chip removal effect is improved.

[0024] In one embodiment, the two cutting edges 3 are located on both sides of the openings of the two chip removal grooves 5. The stability of the hole opening size is achieved.

[0025] In one embodiment, the groove 6 is formed on the cutting edge opening 4 and extends to the chip removal groove 5. The groove 6 is in an arc or rectangular shape. After one group of cutting edge openings 4 finishes cutting, a mark will be left, and the other group of cutting edge openings 4 performs complementary cutting. The positions of the grooves 6 are inconsistent, and the two groups of grooves 6 and the two groups of cutting edge openings 4 perform complementary cutting.

[0026] Working principle: By forming grooves 6 on the cutting edge opening 4, there are two groups of the grooves 6, and the positions of the two groups of grooves 6 and the cutting edge opening 4 are complementary in stroke. The pressure on the cutting edge is increased, achieving a more sharp cutting effect. After one group of cutting edge openings 4 finishes cutting, a mark waiting to be cut that is the same as the groove 6 will be left, and the other group of cutting edge openings 4 performs complementary cutting. The positions of the two groups of grooves 6 are inconsistent, and the two groups of grooves 6 and the two groups of cutting edge openings 4 perform complementary cutting.

[0027] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. The multi-point cutting drill bit with segmented cutting edges, other than that it includes a drill bit body (1), is characterized in that: The cutting part of the drill bit body (1) is composed of two cutting edge bands (2) intersecting with each other. Two cutting edges (3) are provided on one side of each of the two cutting edge bands (2). A cutting edge opening (4) is provided at the drill tip of the two cutting edge bands (2). Chip removal grooves (5) are formed on the outer walls of the two cutting edge bands (2). Grooves (6) are formed on the cutting edge opening (4). There are two groups of the grooves (6), and the positions of the two groups of grooves (6) and the cutting edge opening (4) are complementary in stroke.

2. The multi-point cutting drill bit with segmented cutting edges according to claim 1, wherein: Both of the two cutting edge openings (4) are provided with a back angle, and the cutting edge opening (4) communicates with the chip removal groove (5).

3. The multi-point cutting drill bit with segmented cutting edges according to claim 1, wherein: The two cutting edges (3) are located on both sides of the openings of the two chip removal grooves (5).

4. The multi-point cutting drill bit with segmented cutting edges according to claim 1, wherein: The groove (6) is formed on the cutting edge opening (4) and extends to the chip removal groove (5). The groove (6) is in an arc or rectangular shape.

Images