CN213998525U - Combined drill bit blade with high drilling efficiency - Google Patents

Abstract

The utility model discloses an efficient combination formula drill bit blade drills, the upper end of drill bit is the stalk portion for work portion, lower extreme, the helicla flute that is the annular and distributes is offered to work portion side, is equipped with the mounting groove on the work portion lateral wall, the lower extreme of stalk portion is equipped with the mounting hole, the blade lower extreme is the handle of a knife, the handle of a knife end is equipped with bolted connection hole, bolted connection hole passes through bolted connection with the mounting groove, the handle of a knife upper end is equipped with the tool bit, the tool bit top is equipped with the cutting edge, the tool bit bottom is equipped with down the cutting edge. Bolted connection hole and mounting groove pass through bolted connection, connect blade and drill bit through the bolt and improved the connection precision of blade and drill bit, stability when having increased the use, the motor drives the drill bit rotatory, aim at required drill hole department with the front end of drill bit, the design of six terminal surfaces of work portion makes trompil efficiency improve, the helicla flute is trompil earlier to drilling department, the blade contacts the trompil afterwards and polishes, the last cutting edge and the lower cutting edge that utilize the blade are polished to the hole, work efficiency is improved.

Description

Combined drill bit blade with high drilling efficiency

Technical Field

The utility model relates to a drill bit blade technical field especially relates to a combination formula drill bit blade that drilling efficiency is high.

Background

The drill bit blade utilizes impact equipment to send the certain frequency of drill bit and the power of beating of dynamics to through the installation handle, broken hard brittle material, it is rotatory to drive the drill bit simultaneously, the inclination conveying of passing through the cutting edge with broken material goes out, along with the development of present machining technique, the processing technology that uses the drill bit to carry out drilling to the work piece is more and more, the requirement to blade on the drill bit will be higher, current drill bit blade drilling efficiency is lower, the efficiency of work is not high, and wear and tear the blade easily, lead to scrapping of whole blade, the processing cost is greatly improved, so it is very necessary to propose the drill bit blade that drilling efficiency is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient combination formula drill bit blade drills, the upper end of drill bit is that work portion, lower extreme are the stalk portion, and the design of six terminal surfaces of work portion makes trompil efficiency improve, and the helicla flute is to the first trompil of drilling department, and the blade contacts the trompil afterwards and polishes, utilizes the last cutting edge and the lower cutting edge of blade to polish to the hole, has improved work efficiency, has improved the machining precision, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a combined drill bit blade with high drilling efficiency comprises a drill bit and a blade, wherein the upper end of the drill bit is a working part, the lower end of the drill bit is a handle part, spiral grooves which are distributed annularly are formed in the side surface of the working part, a mounting groove is formed in the side wall of the working part, and a mounting hole is formed in the lower end of the handle part;

the blade includes handle of a knife, tool bit, goes up cutting edge and lower cutting edge, the lower extreme of blade is the handle of a knife, the end of handle of a knife is equipped with bolted connection hole, bolted connection hole passes through bolted connection with the mounting groove, the upper end of handle of a knife is equipped with the tool bit, the top of tool bit is equipped with the cutting edge, and the bottom of tool bit is equipped with down the cutting edge.

Preferably, the end face of the working portion has six faces, which are respectively a first inclined face, a second inclined face, a third inclined face, a fourth inclined face, a fifth inclined face and a sixth inclined face, and the first inclined face, the second inclined face, the third inclined face, the fourth inclined face, the fifth inclined face and the sixth inclined face are in central symmetry with respect to the axis of the working portion.

Preferably, the diameter range of the drill bit is 0.25-80 mm.

Preferably, the blade is a member made of tungsten steel alloy.

Preferably, the first inclined plane and the fourth inclined plane are located on the same plane, the second inclined plane and the fifth inclined plane are located on the same plane, and the third inclined plane and the sixth inclined plane are located on the same plane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a combined drill bit blade with high drilling efficiency, the side wall of the working part is provided with a mounting groove, the lower end of the blade is a handle, the handle is a member made of tungsten steel alloy, the combined drill bit blade is durable, the end of the handle is provided with a bolt connecting hole, the bolt connecting hole is connected with the mounting groove through a bolt, the connection precision of the blade and a drill bit is improved by connecting the blade and the drill bit through the bolt, when drilling is needed, the combined drill bit blade is arranged on a motor through the mounting hole, the motor operates to drive the drill bit to rotate, the drill bit rotates to drive the blade to rotate, the front end of the drill bit is aligned to the needed drill hole, the design of six end faces of the working part improves the hole opening efficiency, the spiral groove opens a hole at the drilling position first, the blade contacts with the opening hole and polishes by utilizing the upper cutting edge and the lower cutting edge of the blade, the working efficiency is improved, the processing precision is improved, the processing time is shortened, the structure is simple, and the practicability is strong.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of the drill bit tool body of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention;

fig. 4 is a top view of the drill structure of the present invention.

In the figure: 1. a drill bit; 11. a working part; 111. a helical groove; 112. mounting grooves; 113. a first inclined plane; 114. a second inclined plane; 115. a third inclined plane; 116. a fourth slope; 117. a fifth bevel; 118. a sixth slope; 12. a handle; 121. mounting holes; 2. a blade; 21. a knife handle; 211. connecting holes of bolts; 22. a cutter head; 23. an upper blade; 24. a lower blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a combined drill tip with high drilling efficiency includes a drill bit 1 and a tip 2, the drill bit 1 has a diameter of 0.25-80 mm, the drill bit 1 has an upper end serving as a working portion 11 and a lower end serving as a shank portion 12, the side surface of the working portion 11 is provided with a spiral groove 111 annularly distributed, the end surface of the working portion 11 has six faces, which are respectively a first inclined face 113, a second inclined face 114, a third inclined face 115, a fourth inclined face 116, a fifth inclined face 117 and a sixth inclined face 118, the first inclined face 113, the second inclined face 114, the third inclined face 115, the fourth inclined face 116, the fifth inclined face 117 and the sixth inclined face 118 are centrally symmetric with respect to the axis of the working portion 11, the first inclined face 113 and the fourth inclined face 116 are located on the same plane, the second inclined face 114 and the fifth inclined face 117 are located on the same plane, the third inclined face 115 and the sixth inclined face 118 are located on the same plane, a mounting groove 112 is disposed on the side wall of the working portion 11, the lower end of the shank 12 is provided with a mounting hole 121, and the combined drill tip can be connected to a motor through the mounting hole 121.

The blade 2 comprises a handle 21, a cutter head 22, an upper cutting edge 23 and a lower cutting edge 24, the blade 2 is polished and has a smooth surface, the lower end of the blade 2 is the handle 21, the blade 2 is a member made of tungsten steel alloy, the tail end of the handle 21 is provided with a bolt connecting hole 211, the bolt connecting hole 211 is connected with the mounting groove 112 through a bolt, the connecting precision of the blade 2 and the drill bit 1 is improved by connecting the blade 2 and the drill bit 1 through the bolt, the stability in use is improved, the upper end of the handle 21 is provided with the cutter head 22, the top of the cutter head 22 is provided with the upper cutting edge 23, the bottom of the cutter head 22 is provided with the lower cutting edge 24, when drilling is needed, the combined type drill blade is arranged on a motor through the mounting hole 121, the motor operates to drive the drill bit 1 to rotate, the rotary cutter head 2 is driven by the rotary of the drill bit 1, the front end of the drill bit 1 is aligned to the needed drilling hole, the design of six end faces of the working part 11 enables the drilling efficiency to be improved, the spiral groove 111 is used for opening holes in the drilling position, the blade 2 is contacted with the opening holes and is polished, the upper cutting edge 23 and the lower cutting edge 24 of the blade 2 are used for polishing the holes, the working efficiency is improved, the machining precision is improved, the machining time is shortened, the structure is simple, and the practicability is high.

The working principle is as follows: the upper end of drill bit 1 is the working part 11, the lower extreme is stalk portion 12, be equipped with mounting groove 112 on the lateral wall of working part 11, the lower extreme of stalk portion 12 is equipped with mounting hole 121, install this combination formula drill bit blade on the motor through mounting hole 121, the motor operation drives drill bit 1 rotatory, drill bit 1 is rotatory to be driven blade 2, aim at required drill hole department with the front end of drill bit 1, the design of 11 six terminal surfaces of working part makes trompil efficiency improve, the trompil is first held to drilling department to helicla flute 111, blade 2 contacts the trompil and polishes thereupon, the last cutting edge 23 and the lower cutting edge 24 that utilize blade 2 polish to hole.

In summary, the following steps: the utility model discloses a combination formula drill bit blade that drilling efficiency is high, drill bit 1 diameter scope is 0.25 ~ 80mm, the upper end of drill bit 1 is work portion 11, the lower extreme is stalk portion 12, the side of work portion 11 is seted up and is the helicla flute 111 that the annular distributes, the terminal surface of work portion 11 totally six faces, the efficiency of drill bit 1 drilling has been strengthened in the design of six faces, be equipped with mounting groove 112 on the lateral wall of work portion 11, the lower extreme of blade 2 is handle of a knife 21, handle of a knife 21 is the component that the tungsten steel alloy made, the end of handle of a knife 21 is equipped with bolted connection hole 211, bolted connection hole 211 passes through bolted connection with mounting groove 112, connect blade 2 and drill bit 1 through the bolt and improve the connection precision of blade 2 and drill bit 1, stability when increasing the use, install this combination formula drill bit blade on the motor through mounting hole 121, the motor operation drives drill bit 1 to rotate, drill bit 1 rotates and drive blade 2 to rotate, aim at required drilling department with the front end of drill bit 1, the design of the six terminal surfaces of work portion 11 makes trompil efficiency improve, and helicla flute 111 is trompil earlier to drilling department, and blade 2 contacts the trompil afterwards and polishes, utilizes the last cutting edge 23 and the lower cutting edge 24 hole of blade 2 to polish, has improved work efficiency, has improved the machining precision, has shortened the time of processing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A high drilling efficiency combined drill bit blade, includes drill bit (1) and blade (2), its characterized in that: the drill bit is characterized in that the upper end of the drill bit (1) is a working part (11), the lower end of the drill bit is a handle part (12), the side surface of the working part (11) is provided with a spiral groove (111) which is distributed annularly, the side wall of the working part (11) is provided with a mounting groove (112), and the lower end of the handle part (12) is provided with a mounting hole (121);

blade (2) include handle of a knife (21), tool bit (22), go up cutting edge (23) and lower cutting edge (24), the lower extreme of blade (2) is handle of a knife (21), the end of handle of a knife (21) is equipped with bolted connection hole (211), bolted connection hole (211) pass through bolted connection with mounting groove (112), the upper end of handle of a knife (21) is equipped with tool bit (22), the top of tool bit (22) is equipped with cutting edge (23), and the bottom of tool bit (22) is equipped with cutting edge (24) down.

2. A combined drill tip for efficient drilling according to claim 1 wherein: the end face of the working part (11) is provided with six faces which are respectively a first inclined face (113), a second inclined face (114), a third inclined face (115), a fourth inclined face (116), a fifth inclined face (117) and a sixth inclined face (118), and the first inclined face (113), the second inclined face (114), the third inclined face (115), the fourth inclined face (116), the fifth inclined face (117) and the sixth inclined face (118) are in central symmetry with respect to the axis of the working part (11).

3. A combined drill tip for efficient drilling according to claim 1 wherein: the diameter range of the drill bit (1) is 0.25-80 mm.

4. A combined drill tip for efficient drilling according to claim 1 wherein: the blade (2) is a component made of tungsten steel alloy.

5. A combined drill tip for efficient drilling according to claim 2 wherein: the first inclined surface (113) and the fourth inclined surface (116) are positioned on the same plane, the second inclined surface (114) and the fifth inclined surface (117) are positioned on the same plane, and the third inclined surface (115) and the sixth inclined surface (118) are positioned on the same plane.

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