CN213469699U - Integrated dual-purpose flat drill - Google Patents
Integrated dual-purpose flat drill Download PDFInfo
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- CN213469699U CN213469699U CN202022228940.XU CN202022228940U CN213469699U CN 213469699 U CN213469699 U CN 213469699U CN 202022228940 U CN202022228940 U CN 202022228940U CN 213469699 U CN213469699 U CN 213469699U
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Abstract
The utility model relates to the technical field of flat drills, in particular to an integrated dual-purpose flat drill, which comprises a flat drill rod part, wherein one end of the flat drill rod part is provided with a first drill bit, and the other end of the flat drill rod part is provided with a second drill bit; the first drill comprises a first drill base, a first drill rear edge part and a first drill front edge part, the first drill base is fixedly connected with the first drill rear edge part, the first drill rear edge part is fixedly connected with the first drill front edge part, and a first drill positioning part is arranged at the front end of the first drill front edge part; the second drill bit comprises a second drill bit base, a second drill bit rear edge part and a second drill bit front edge part, the second drill bit base is fixedly connected with the second drill bit rear edge part, the second drill bit rear edge part is fixedly connected with the second drill bit front edge part, and a second drill bit positioning part is arranged at the front end of the second drill bit front edge part. The utility model discloses, be equipped with fixed connection's flat drill pole portion, first drill bit and second drill bit, save the cost of manufacture, save storage space, improve flat drill's application range.
Description
Technical Field
The utility model relates to a flat drill especially relates to an integral type double-purpose flat drill, belongs to flat drill technical field.
Background
The cutting part of the flat drill is ground into a flat body, and the main cutting edge is ground into a sharp angle and a rear angle to form a chisel edge; the auxiliary cutting edge grinds a relief angle and an auxiliary deflection angle and controls the diameter of a drill hole, the rake angle of the flat drill is small, a spiral groove is not formed, chip removal is difficult, the manufacturing is simple, the cost is low, and the small hole with the diameter of less than 1mm is widely applied to processing;
the flat drill is greatly improved in structure and has the advantages, so that the flat drill is also used when a hole with the diameter of more than 35mm is machined on an automatic line and a numerical control machine tool, the traditional flat drill is made of high-speed steel, the cutting speed is low, the working front angle of the flat drill is a negative front angle due to the limitation of an integral structure, and the axial force and the torque are large; the guiding of the flat drill is mainly dependent on a positioning guide key on a flat drill chuck, and the flat drill is unstable in guiding and easy to deviate; the cutting edges of the flat drill are of a symmetrical structure, the thickness of the cutting layer cannot be effectively divided, when a solid piece is drilled, if the tool point of the flat drill is dull, extrusion can be formed on the surface of the workpiece, so that the drilling force and the torque are suddenly increased, the edge breaking phenomenon is caused, and the flat drill is scrapped;
most of the conventional flat drills are in an integral form, but due to different drilling requirements, the flat drills need to be matched with one another for use, so that the requirements need to be met by preparing a plurality of different flat drills, and certain inconvenience is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral type double-purpose flat drill is equipped with fixed connection's flat drill pole portion, first drill bit and second drill bit, realizes integral type double-purpose brill, saves the cost of manufacture, during the use, can be suitable for different drilling requirements, avoids preparing a plurality of flat drills because of processing different holes, saves storage space, improves the application range of flat drill.
In order to achieve the above object, the utility model discloses a main technical scheme include:
an integrated dual-purpose flat drill comprises a flat drill rod part, wherein a first drill bit is fixedly arranged at one end of the flat drill rod part, and a second drill bit is fixedly arranged at the other end of the flat drill rod part;
the first drill comprises a first drill base, a first drill rear edge part and a first drill front edge part, the first drill base is fixedly connected with the first drill rear edge part, the first drill rear edge part is fixedly connected with the first drill front edge part, and a first drill positioning part is fixedly arranged at the front end of the first drill front edge part;
the second drill bit includes second drill bit base and second drill bit back edge portion and second drill bit front edge portion, second drill bit base with second drill bit back edge portion fixed connection, second drill bit back edge portion with second drill bit front edge portion fixed connection, the fixed second drill bit location portion that is provided with in front end of second drill bit front edge portion.
Preferably, the outer surface of the flat drill rod part is fixedly provided with anti-skidding lines, and the anti-skidding lines are arranged in the middle of the flat drill rod part.
Preferably, a first chamfer structure is arranged between the first drill bit front edge part and the first drill bit rear edge part, and a second chamfer structure is arranged between the first drill bit base and the first drill bit rear edge part.
Preferably, a third chamfering structure is arranged between the front edge part of the second drill bit and the rear edge part of the second drill bit, and a fourth chamfering structure is arranged between the rear edge part of the second drill bit and the second drill bit base.
Preferably, the flat drill rod part, the first drill bit and the second drill bit are all provided with coatings.
Preferably, the flat drill rod portion, the first drill and the second drill have rotation centers on the same horizontal plane.
Preferably, a through hole is formed in the front end of the flat drill rod part, and the through hole is close to the first drill and the second drill.
The utility model discloses possess following beneficial effect at least:
1. the flat drill rod part, the first drill bit and the second drill bit which are fixedly connected are arranged, the integrated dual-purpose drill is realized, the manufacturing cost is saved, different drilling requirements can be met during use, a plurality of flat drills are prevented from being prepared due to the fact that different holes are machined, the storage space is saved, and the use range of the flat drill is enlarged.
2. Be provided with the chamfer structure on the drill bit, increase the function that the drill bit formed the chamfer in the course of working, reduce the production of hole limit burr, improve the effect of processing.
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 the present invention;
FIG. 2 is a schematic view of a flat drill rod portion of the present invention;
FIG. 3 is a schematic view of a first drill of the present invention;
fig. 4 is a schematic view of a second drill according to the present invention.
In the figure, 1-flat drill rod part, 2-first drill bit, 201-first drill bit base, 202-first drill bit rear edge part, 203-first drill bit front edge part, 204-first drill bit positioning part, 3-second drill bit, 301-second drill bit base, 302-second drill bit rear edge part, 303-second drill bit front edge part, 304-second drill bit positioning part, 4-anti-slip pattern, 5-first chamfer structure, 6-second chamfer structure, 7-third chamfer structure, 8-fourth chamfer structure, 9-coating and 10-through hole.
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.
As shown in fig. 1 to 4, the integrated dual-purpose flat drill provided in this embodiment includes a flat drill rod portion 1, a first drill bit 2 is fixedly disposed at one end of the flat drill rod portion 1, and a second drill bit 3 is fixedly disposed at the other end of the flat drill rod portion 1, the structure is simple and stable, the first drill bit 2 and the second drill bit 3 are respectively fixedly disposed at two ends of the flat drill rod portion 1, so that the integrated dual-purpose drill is realized, the manufacturing cost is saved, during use, different drilling requirements can be applied, preparation of a plurality of flat drills due to processing of different holes is avoided, the storage space is saved, and the application range of the flat drill is expanded;
the first drill bit 2 comprises a first drill bit base 201, a first drill bit rear edge part 202 and a first drill bit front edge part 203, the first drill bit base 201 is fixedly connected with the first drill bit rear edge part 202, the first drill bit rear edge part 202 is fixedly connected with the first drill bit front edge part 203, parts are fixedly connected, the structure is stable, the strength of the whole drill bit is improved, the effect and the safety of the drill bit during machining are improved, a first drill bit positioning part 204 is fixedly arranged at the front end of the first drill bit front edge part 203, the machining position of a part to be machined is accurately positioned, and the machining accuracy of the first drill bit 2 is improved;
second drill bit 3 includes second drill bit base 301 and second drill bit back blade portion 302 and second drill bit front blade portion 303, second drill bit base 301 and second drill bit back blade portion 302 fixed connection, second drill bit back blade portion 302 and second drill bit front blade portion 303 fixed connection, fixed connection between the spare part, stable in structure, improve the intensity of whole drill bit, effect and security when improving the drill bit processing, the fixed second drill bit location portion 304 that is provided with in front end of second drill bit front blade portion 303, the processing position of the part of waiting to deal with of accurate positioning, the accuracy of 3 processings of second drill bit is improved.
In this embodiment, as shown in fig. 1 and fig. 2, the fixed anti-skidding line 4 that is provided with on the surface of flat drill rod portion 1, anti-skidding line 4 sets up the intermediate position at flat drill rod portion 1, sets up anti-skidding line 4 at the intermediate position of flat drill rod portion 1 according to the daily habit of people, makes things convenient for people to use, and in the use, anti-skidding line 4 increases the frictional force between hand and the flat drill rod portion 1, makes things convenient for a person to use power.
In the present embodiment, as shown in fig. 1 and 3, a first chamfer structure 5 is disposed between the first drill front edge portion 203 and the first drill rear edge portion 202, and a second chamfer structure 6 is disposed between the first drill base 201 and the first drill rear edge portion 202, so that the formation of chamfers by the first drill 2 in the machining process is increased, the generation of hole edge burrs is reduced, and the machining effect is improved.
In the present embodiment, as shown in fig. 1 and 4, a third chamfer structure 7 is disposed between the second drill front edge portion 303 and the second drill rear edge portion 302, and a fourth chamfer structure 8 is disposed between the second drill rear edge portion 302 and the second drill base 301, so that the formation of chamfers during the machining process of the second drill 3 is increased, the generation of hole edge burrs is reduced, and the machining effect is improved.
In the present embodiment, as shown in fig. 3 and 4, the flat drill rod portion 1, the first drill 2, and the second drill 3 are all provided with the coatings 9, which have an anti-rust effect and improve the service life of the flat drill.
In this embodiment, as shown in fig. 1, the rotation centers of the flat drill rod portion 1, the first drill 2 and the second drill 3 are on the same horizontal plane, so that the flat drill is ensured not to deviate during high-speed rotation in the machining process, and the accuracy and the safety of the flat drill are improved.
In this embodiment, as shown in fig. 1 and 2, a through hole 10 is provided at a position close to the first drill 2 and the second drill 3 at the front end of the flat drill rod portion 1, and when the flat drill is not suitable, a lasso can be used to pass through the through hole 10 to store the flat drill, so that the flat drill is convenient to take and use, and is prevented from being lost.
As shown in fig. 1 to 4, the use steps of the integrated dual-purpose spade drill provided by the embodiment are as follows: according to the requirement of processing hole, select suitable drill bit, hold the anti-skidding line 4 of flat drill pole portion 1 intermediate position and put into the drilling tool with another drill bit and lock, will treat that the part of processing steadily places, utilize the location portion of drill bit front end to fix a position, open the drilling tool, the processing part can, when needing the different holes of processing, hold the anti-skidding line 4 of flat drill pole portion 1 intermediate position and dismantle the flat drill, the change drill bit can.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used 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. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. An integrated dual-purpose flat drill comprises a flat drill rod part (1) and is characterized in that a first drill bit (2) is fixedly arranged at one end of the flat drill rod part (1), and a second drill bit (3) is fixedly arranged at the other end of the flat drill rod part (1);
the first drill (2) comprises a first drill base (201), a first drill back edge part (202) and a first drill front edge part (203), the first drill base (201) is fixedly connected with the first drill back edge part (202), the first drill back edge part (202) is fixedly connected with the first drill front edge part (203), and a first drill positioning part (204) is fixedly arranged at the front end of the first drill front edge part (203);
second drill bit (3) include second drill bit base (301) and second drill bit back cutting portion (302) and second drill bit front cutting portion (303), second drill bit base (301) with second drill bit back cutting portion (302) fixed connection, second drill bit back cutting portion (302) with second drill bit front cutting portion (303) fixed connection, the front end of second drill bit front cutting portion (303) is fixed and is provided with second drill bit location portion (304).
2. The integrated dual-purpose spade drill according to claim 1, wherein: the anti-skidding drill pipe is characterized in that anti-skidding lines (4) are fixedly arranged on the outer surface of the flat drill pipe part (1), and the anti-skidding lines (4) are arranged in the middle of the flat drill pipe part (1).
3. The integrated dual-purpose spade drill according to claim 1, wherein: first drill bit front edge portion (203) with be provided with first chamfer structure (5) between first drill bit back edge portion (202), first drill bit base (201) with be provided with second chamfer structure (6) between first drill bit back edge portion (202).
4. The integrated dual-purpose spade drill according to claim 1, wherein: second drill bit front edge portion (303) with be provided with third chamfer structure (7) between second drill bit back edge portion (302), second drill bit back edge portion (302) with be provided with fourth chamfer structure (8) between second drill bit base (301).
5. The integrated dual-purpose spade drill according to claim 1, wherein: the flat drill rod part (1), the first drill bit (2) and the second drill bit (3) are all provided with coatings (9).
6. The integrated dual-purpose spade drill according to claim 1, wherein: the rotation centers of the flat drill rod part (1), the first drill bit (2) and the second drill bit (3) are on the same horizontal plane.
7. The integrated dual-purpose spade drill according to claim 1, wherein: the front end of the flat drill rod part (1) is provided with a through hole (10) at a position close to the first drill bit (2) and the second drill bit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228940.XU CN213469699U (en) | 2020-10-09 | 2020-10-09 | Integrated dual-purpose flat drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228940.XU CN213469699U (en) | 2020-10-09 | 2020-10-09 | Integrated dual-purpose flat drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213469699U true CN213469699U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228940.XU Active CN213469699U (en) | 2020-10-09 | 2020-10-09 | Integrated dual-purpose flat drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213469699U (en) |
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2020
- 2020-10-09 CN CN202022228940.XU patent/CN213469699U/en active Active
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