阅读说明：本技术 一种镶接切削刀片的宝塔钻 (Pagoda drill inlaid with cutting blade ) 是由 朱振华 于 2019-11-07 设计创作，主要内容包括：本发明一种镶接切削刀片的宝塔钻,包括：钻身与钻柄；钻身顶部具有钻削部,钻削部设有两个切削刀片,两个切削刀片沿中心轴对称,钻身设有至少一个排屑槽,排屑槽一侧边处设有切削刀片。本发明在钻削部与钻身设置切削刀片,切削刀片的材质可选用高性能的复合材料,从而提高切削性能,增强耐磨性,延长使用寿命。(The invention relates to a pagoda drill with cutting blades spliced, which comprises: a drill body and a drill handle; the top of the drill body is provided with a drilling part, the drilling part is provided with two cutting blades, the two cutting blades are symmetrical along a central shaft, the drill body is provided with at least one chip groove, and one side edge of the chip groove is provided with the cutting blade. According to the invention, the cutting blade is arranged on the drilling part and the drill body, and the material of the cutting blade can be made of a high-performance composite material, so that the cutting performance is improved, the wear resistance is enhanced, and the service life is prolonged.)

1. A pagoda drill with cutting blades attached thereto, comprising: a drill body and a drill handle;

the method is characterized in that: the drill body is provided with at least one chip groove, and a cutting blade is arranged at one side edge of the chip groove.

2. A pagoda drill with cutting inserts as set forth in claim 1 wherein: the chip grooves extend from the end surface of the bottom of the drill body to the drilling part.

3. A pagoda drill with cutting inserts as set forth in claim 1 wherein: the drill body is provided with one chip groove, and the cross section of the chip groove is right-angled.

4. A pagoda drill with cutting inserts as set forth in claim 3 wherein: one side wall of the chip groove is provided with a cutting blade.

5. The pagoda drill with cutting insert set forth in claim 4 wherein: the cutting insert is a single body and extends from the body bottom end surface to the drilling portion.

6. A pagoda drill with cutting inserts as set forth in claim 1 wherein: the drill body is provided with two or more chip grooves, and the cross sections of the chip grooves are hook-shaped.

7. The pagoda drill with cutting insert set forth in claim 6 wherein: a side wall of the chip groove is provided with a plurality of cutting blades.

8. The pagoda drill with cutting insert set forth in claim 6 wherein: the cutting blade is a single body, and a plurality of the cutting blades are sequentially arranged and extend from the bottom end surface to the top end surface of the drill body.

9. The pagoda drill with cutting insert set forth in claim 6 wherein: the drilling portion with the brill body can be dismantled, and the drilling portion is equipped with the toper boss, the brill body head is equipped with the bell mouth.

Technical Field

The invention belongs to the technical field of hardware tools, and particularly relates to a pagoda drill inlaid with cutting blades.

Background

The pagoda drill is also called a step drill and is mainly used for drilling and processing thin plates, one drill bit can replace a plurality of drill bits to be used, and holes with different diameters can be processed according to requirements; the abrasion of the cutting edge is large when the drill hole is drilled, and the pagoda drill can be directly scrapped when the pagoda drill can not be sharpened, so that great waste is formed.

Disclosure of Invention

In view of this, the technical problem to be solved by the present invention is to provide a pagoda drill with a cutting blade inserted therein, which solves the problem in the prior art that the pagoda drill is not easy to repair reversely after being worn, thereby causing waste.

In order to solve the above technical problems, the present invention discloses a pagoda drill with cutting blades inserted therein, comprising: a drill body and a drill handle; the top of the drill body is provided with a drilling part, the drilling part is provided with two cutting blades, the two cutting blades are symmetrical along a central shaft, the drill body is provided with at least one chip groove, and one side edge of the chip groove is provided with the cutting blade.

Further, wherein the chip flutes extend from the body bottom end surface to the drilling portion.

Furthermore, the drill body is provided with a chip groove, and the cross section of the chip groove is right-angled.

Further, one side wall of the chip groove is provided with a cutting blade.

Further, the cutting insert is a single body and extends from the bottom end surface of the drill body to the drilling portion.

Furthermore, the drill body is provided with two or more than two chip grooves, and the cross sections of the chip grooves are hook-shaped.

Further, wherein a side wall of the chip groove is provided with a plurality of cutting inserts.

Further, wherein the cutting insert is a single body, and a plurality of cutting inserts are sequentially arranged to extend from the bottom end surface to the top end surface of the drill body.

Further, wherein above-mentioned drilling portion can be dismantled with the brill body to drilling portion is equipped with the toper boss, and the brill head is equipped with the bell mouth.

Compared with the prior art, the application can obtain the following technical effects:

according to the invention, the cutting blade is arranged on the drilling part and the drill body, and the material of the cutting blade can be made of a high-performance composite material, so that the cutting performance is improved, the wear resistance is enhanced, and the service life is prolonged.

Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of a pagoda drill with cutting inserts attached thereto according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a pagoda drill with cutting inserts attached thereto according to a second embodiment of the present invention;

fig. 3 is an exploded view of a pagoda drill with cutting inserts attached thereto according to a second embodiment of the present invention.

Reference symbols of the drawings

The drill comprises a drill body 1, a drill handle 2, a drilling part 3, a cutting blade 4, a chip groove 5, a conical boss 6 and a conical hole 7.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Referring to fig. 1 to 3, fig. 1 is a schematic view of a cutting insert-mounted pagoda drill according to a first embodiment of the present invention; FIG. 2 is a schematic view of a pagoda drill with cutting inserts attached thereto according to a second embodiment of the present invention; fig. 3 is an exploded view of a pagoda drill with cutting inserts attached thereto according to a second embodiment of the present invention. A pagoda drill with cutting blades attached thereto, comprising: a drill body 1 and a drill handle 2; the top of the drill body 1 is provided with a drilling part 3, the drilling part 3 is provided with two cutting blades 4, the two cutting blades 4 are symmetrical along a central shaft, the drill body 1 is provided with at least one chip groove 5, and one side of the chip groove 5 is provided with the cutting blade 4; the flutes 5 extend from the bottom end surface of the drill body 1 to the drilling portion 3.

Referring to fig. 1, a drill body 1 is provided with a chip groove 5, the chip groove 5 has a right-angled cross-section, a cutting insert 4 is provided on a side wall of the chip groove 5, and the cutting insert 4 is a single body and extends from a bottom end surface of the drill body 1 to a drilling portion 3.

Referring to fig. 2 and 3, the drill body 1 is provided with two or more chip flutes 5, the chip flutes 5 are hook-shaped in cross section, a side wall of the chip flutes 5 is provided with a plurality of cutting blades 4, the cutting blades 4 are single bodies, and the plurality of cutting blades 4 are sequentially arranged and extend from the bottom end surface of the drill body 1 to the top end surface of the drill body 1; drilling portion 3 can be dismantled with boring body 1 to drilling portion 3 is equipped with connecting portion, and connecting portion have toper boss 6, and 1 head of boring body is equipped with the connecting hole, and the connecting hole anterior segment is bell mouth 7, and toper boss 6 and bell mouth 7 cooperation when drilling portion 3 and boring body assemble ensure the concentricity of drilling portion 3 and boring body.

According to the invention, the cutting blade 4 is arranged on the drilling part 3 and the drill body 1, and the material of the cutting blade 4 can be made of a high-performance composite material, so that the cutting performance is improved, the wear resistance is enhanced, and the service life is prolonged.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.