CN213701913U - High-speed steel drill bit capable of being rapidly clamped - Google Patents
High-speed steel drill bit capable of being rapidly clamped Download PDFInfo
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- CN213701913U CN213701913U CN202021949618.XU CN202021949618U CN213701913U CN 213701913 U CN213701913 U CN 213701913U CN 202021949618 U CN202021949618 U CN 202021949618U CN 213701913 U CN213701913 U CN 213701913U
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- drill bit
- positioning
- speed steel
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- hole
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Abstract
The utility model discloses a high-speed steel drill bit capable of fast clamping, which comprises an installation column cap, a positioning sleeve and a drill bit, wherein the positioning sleeve is welded in the middle of the installation column cap; the drill bit setting in the below of position sleeve to cup joint on the erection column head, and the drill bit passes through the fix with screw with the installation column cap, in the time of the use, cup joint the drill bit in the bottom of installation column cap, and the locating hole joint is in the bottom of position sleeve, positioning screw female connection has positioning bolt, through positioning bolt with drill bit body tacking on the erection column head, when driling to the work piece, at first with positioning head tacking in the centre of a circle of work piece trompil, prevent to slide when drilling, the drill bit body is rotatory under the drive of installation column cap, the realization is to the drilling of work piece, the utility model discloses, simple structure, easy dismounting is convenient for change the drill bit of different diameters, very big improvement drill bit clamp dress efficiency.
Description
Technical Field
The utility model relates to a drill bit technical field specifically is a high-speed steel drill bit that can quick clamping.
Background
Drills (Drills) are tools used to drill through or blind holes in solid materials and to ream existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Although reamers and reamers cannot drill holes in solid materials, the reamers and the reamers are also traditionally classified into drill bits, and the conventional hole openers also belong to one type of drill bits.
The existing hole digger is simple in structure, only has unilateral sawteeth, short in service life and inconvenient to disassemble and assemble, and the drill bits with different diameters are required to be disassembled from the electric hand drill every time, so that the installation efficiency is low, and a large amount of working time is wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-speed steel drill bit that can quick clamping to solve the current hole digger simple structure who proposes in the above-mentioned background art, only unilateral sawtooth, life is short, the dismouting of being not convenient for, all need dismantle with electric hand drill when changing the drill bit of different diameters at every turn, lead to the installation effectiveness low, wasted a large amount of operating time's problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a high-speed steel drill bit capable of being rapidly clamped comprises an installation column head, a positioning sleeve and a drill bit, wherein the positioning sleeve is welded in the middle of the installation column head; the drill bit is arranged below the positioning sleeve and sleeved on the mounting column head, and the drill bit and the mounting column head are fixed through screws.
Preferably, the mounting column head has at least 4 sides, and the bottom of the mounting column head is provided with an internal thread.
Preferably, the internal thread is connected with a positioning head in a threaded manner; the positioning head is arranged in a conical shape.
Preferably, the drill bit comprises a drill bit body, sawteeth, a positioning hole, a matching hole and a positioning screw hole, the drill bit body is cylindrical, and the sawteeth are arranged at two ends of the drill bit body; the positioning holes are formed in the two ends of the drill bit body; the opening is arranged in the middle of the interior of the drill bit body; the positioning screw holes are 2 in number, are all arranged on the drill bit body and are located on one side of the positioning holes.
Preferably, the matching hole is matched with the mounting column head and communicated with the positioning hole.
Preferably, the lower end of the positioning sleeve is sleeved in the positioning hole.
Compared with the prior art, the beneficial effects of the utility model are that: this high-speed steel drill bit that can quick clamping, in the time of the use, cup joint the drill bit in the bottom of installation column cap, and the locating hole joint is in the bottom of position sleeve, positioning screw female connection has positioning bolt, nail the drill bit body tightly on the installation column cap through positioning bolt, prevent to slide when drilling, the sawtooth has all been seted up at both ends about the drill bit body, when rust appears in the sawtooth of one end, can directly change from top to bottom, use the other end to carry out the trompil, moreover, the steam generator is simple in structure, easy dismounting very big improvement the clamp dress efficiency of drill bit.
Drawings
FIG. 1 is a schematic structural view of a high-speed steel drill bit capable of being rapidly clamped according to the present invention;
FIG. 2 is a top view of the present invention, showing a quick clamping mechanism;
FIG. 3 is a schematic view of a drill bit of the present invention capable of being rapidly clamped;
FIG. 4 is a top view of a drill bit capable of being rapidly clamped
Fig. 5 is a schematic structural view of an installation column head capable of rapidly clamping.
In the figure: 1. mounting a column head; 2. a positioning sleeve; 3. a drill bit; 31. a drill bit body; 32. saw teeth; 33. positioning holes; 34. a mating hole; 35. positioning the screw hole; 4. positioning the head; 5. an internal thread.
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. 1-5, the present invention provides a technical solution:
a high-speed steel drill bit capable of being rapidly clamped comprises an installation column cap 1, a positioning sleeve 2 and a drill bit 3, wherein the positioning sleeve 2 is welded in the middle of the installation column cap 1; the drill bit 3 is arranged below the locating sleeve 2 and is sleeved on the mounting column head 1, and the drill bit 3 and the mounting column head 1 are fixed through screws.
The mounting column head 1 has at least 4 edges, and the bottom of the mounting column head 1 is provided with an internal thread 5.
The internal thread 5 is in threaded connection with a positioning head 4; the positioning head 4 is arranged in a conical shape.
The drill 3 comprises a drill body 31, sawteeth 32, a positioning hole 33, a matching hole 34 and a positioning screw hole 35, wherein the drill body 31 is cylindrical, and the sawteeth 32 are arranged at two ends of the drill body 31; positioning holes 33 are formed at both ends of the drill body 31; is arranged in the middle of the interior of the drill bit body 31; the number of the positioning screw holes 35 is 2, and the positioning screw holes are all formed in the drill body 31 and located on one side of the positioning hole 33.
The fitting hole 34 is fitted to the mounting stud 1, and the fitting hole 34 communicates with the positioning hole 33.
The lower end of the positioning sleeve 2 is sleeved in the positioning hole 33.
Compared with the prior art, the beneficial effects of the utility model are that: this high-speed steel drill bit that can quick clamping, in the time of the use, cup joint drill bit 3 in the bottom of installation column cap 1, and locating hole 33 joint is in the bottom of position sleeve 2, 35 female connection in the location screw has positioning bolt, tightly nail drill bit body 31 on installation column cap 1 through positioning bolt, prevent to appear sliding in drilling, sawtooth 32 has all been seted up at both ends about drill bit body 31, when rust appears in the sawtooth 32 of one end, can directly change from top to bottom, use the other end to trompil, moreover, the steam generator is simple in structure, easy dismounting's very big improvement the clamp dress efficiency of drill bit.
It should be noted that, the utility model relates to a high-speed steel drill bit capable of fast clamping, when in use, the drill bit 3 is sleeved at the bottom of the mounting column cap 1, the positioning hole 33 is clamped at the bottom of the positioning sleeve 2, the positioning screw hole 35 is internally threaded with a positioning bolt, the drill bit body 31 is tightly nailed on the mounting column cap 1 through the positioning bolt, when a workpiece is drilled, firstly, the positioning head 4 is tightly nailed at the center of the hole of the workpiece to prevent sliding during drilling, the drill bit body 31 is driven by the mounting column cap 1 to rotate to realize the drilling of the workpiece, because the upper and lower ends of the drill bit body 31 are both provided with the sawteeth 32, when the sawteeth 32 at one end are rusty, the upper and lower ends can be directly exchanged, the hole is drilled by using the other end, the fixing mode of the drill bit 3 and the mounting column cap 1 is simple, the assembly and disassembly, the clamping efficiency of the drill bit is greatly improved.
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 (6)
1. The utility model provides a high-speed steel drill bit that can quick clamping which characterized in that: the drill bit comprises an installation column head (1), a positioning sleeve (2) and a drill bit (3), wherein the positioning sleeve (2) is welded in the middle of the installation column head (1); the drill bit (3) is arranged below the positioning sleeve (2) and is sleeved on the mounting column head (1), and the drill bit (3) and the mounting column head (1) are fixed through screws.
2. The high-speed steel drill bit capable of being rapidly clamped according to claim 1, characterized in that: the mounting column cap (1) is provided with at least 4 edges, and the bottom of the mounting column cap (1) is provided with an internal thread (5).
3. The high-speed steel drill bit capable of being rapidly clamped according to claim 2, characterized in that: the internal thread (5) is in threaded connection with a positioning head (4); the positioning head (4) is arranged in a conical shape.
4. The high-speed steel drill bit capable of being rapidly clamped according to claim 3, characterized in that: the drill bit (3) comprises a drill bit body (31), sawteeth (32), a positioning hole (33), a matching hole (34) and a positioning screw hole (35), wherein the drill bit body (31) is cylindrical, and the sawteeth (32) are arranged at two ends of the drill bit body (31); the positioning holes (33) are formed in two ends of the drill bit body (31); the opening is arranged in the middle of the inside of the drill bit body (31); the number of the positioning screw holes (35) is 2, the positioning screw holes are all formed in the drill bit body (31) and are located on one side of the positioning hole (33).
5. The high-speed steel drill bit capable of being rapidly clamped according to claim 4, characterized in that: the matching hole (34) is matched with the mounting column head (1), and the matching hole (34) is communicated with the positioning hole (33).
6. The high-speed steel drill bit capable of being rapidly clamped according to claim 5, characterized in that: the lower end of the positioning sleeve (2) is sleeved in the positioning hole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949618.XU CN213701913U (en) | 2020-09-09 | 2020-09-09 | High-speed steel drill bit capable of being rapidly clamped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949618.XU CN213701913U (en) | 2020-09-09 | 2020-09-09 | High-speed steel drill bit capable of being rapidly clamped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213701913U true CN213701913U (en) | 2021-07-16 |
Family
ID=76793149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021949618.XU Active CN213701913U (en) | 2020-09-09 | 2020-09-09 | High-speed steel drill bit capable of being rapidly clamped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213701913U (en) |
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2020
- 2020-09-09 CN CN202021949618.XU patent/CN213701913U/en active Active
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