CN215966499U

CN215966499U - Alloy drill bit convenient to install and detach

Info

Publication number: CN215966499U
Application number: CN202122349565.9U
Authority: CN
Inventors: 石圣星
Original assignee: Qingdao Baolifeng Cnc Tool Co ltd
Current assignee: Qingdao Baolifeng Cnc Tool Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses an alloy drill bit convenient to mount and dismount, which belongs to the technical field of alloy drill bits and comprises a drill bit and a drill rod, wherein the bottom of the drill rod is provided with a mounting groove, the top of the drill bit is connected inside the mounting groove through a first mounting mechanism and a second mounting mechanism, and a limiting mechanism is arranged between the first mounting mechanism and the mounting groove.

Description

Alloy drill bit convenient to install and detach

Technical Field

The utility model relates to the technical field of alloy drill bits, in particular to an alloy drill bit convenient to mount and dismount.

Background

In modern industry, alloy drill bits are often used, which have important functions in drilling and machining and positive significance for production, the alloy drill bits generally refer to hard alloy drill bits, and are divided into an integral type, a welding type, an indexable insert type and a replaceable head type, the main components of hard alloy are tungsten carbide, cobalt and the like, the hardness is higher than HRC90 degrees, and the alloy drill bits are suitable for batch machining and hard machining occasions.

The existing drill bit is mostly connected with a drilling device through a drill rod, but the existing drill rod and the existing drill bit cannot be conveniently disassembled and assembled, time and labor are wasted, the existing drill bit is inconvenient for a user to use, and production efficiency is not facilitated, so that the alloy drill bit convenient to install and disassemble needs to be researched and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an alloy drill bit convenient to mount and dismount, which is characterized in that when the drill bit is mounted between a drill rod and a drill rod through the matching use of a first mounting mechanism and a second mounting mechanism, a worker only needs to connect a threaded column inside a threaded hole b in a threaded manner, then rotates the threaded rod through a rotating handle, so that the threaded rod drives a clamping plate to move oppositely, and clamps a hexagonal prism, thereby realizing the purpose of mounting the drill bit and the drill rod, and similarly, the drill bit and the drill rod can be dismounted through reverse operation. And the production efficiency is not favorable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an alloy drill bit convenient to installation is dismantled, includes drill bit and drilling rod, and the drilling rod bottom is equipped with the mounting groove, the drill bit top is connected inside the mounting groove through first installation mechanism and second installation mechanism, be equipped with stop gear between first installation mechanism and the mounting groove.

Preferably, first installation mechanism is screw hole an, hexagonal prism, threaded rod and splint, the mounting groove inner wall left and right sides symmetry is equipped with screw hole a, the drill bit top is equipped with hexagonal prism, the equal threaded connection in screw hole a pore wall has the threaded rod, threaded rod inner all rotates and is connected with splint, the splint inner wall all laminates with hexagonal prism lateral wall mutually.

Preferably, the number of the threaded holes a is two, the number of the threaded rods is two, and the number of the clamping plates is two.

Preferably, the outer end of the threaded rod is fixedly connected with two rotating handles, and the number of the rotating handles is two.

Preferably, the second installation mechanism is a threaded hole b and a threaded column, the threaded hole b is formed in the top of the inner wall of the installation groove, the threaded column is arranged at the top of the hexagonal prism, and the threaded column body is in threaded connection with the inside of the threaded hole b.

Preferably, stop gear is spacing hole and gag lever post, mounting groove inner wall left and right sides symmetry is equipped with two sets of spacing holes, and every spacing hole quantity of group is two, and screw hole an is located in the middle of two spacing holes, and every spacing downthehole portion has all run through the gag lever post, and the equal level welding in splint outer wall in every gag lever post inner is all.

Preferably, the drill bit and the hexagonal prism are of an integrated structure, and the drill bit and the hexagonal prism are made of the same material.

Preferably, the hexagonal prism and the threaded column are of an integrated structure, and the hexagonal prism and the threaded column are the same in material.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model uses the first mounting mechanism and the second mounting mechanism which are arranged to be matched, when a drill bit is mounted between the drill bit and the drill rod, a worker only needs to connect the threaded column in the threaded hole b by screw thread, then the threaded rod is rotated by the rotating handle, the threaded rod drives the clamping plate to move oppositely, and the hexagonal prism is clamped, thus the aim of mounting the drill bit and the drill rod can be achieved, similarly, the drill bit and the drill rod can be dismounted by reverse operation, and the clamping plate clamps the hexagonal prism, so that when the drill bit is driven by the drill rod to rotate at high speed, the hexagonal prism can not be rotated by centrifugal force, thus the drill bit can not be rotated by the centrifugal force, thereby effectively preventing the threaded column from being separated from the threaded hole b, strengthening the stability, leading the utility model to have reasonable structural design, having the function of facilitating the mounting and dismounting between the drill bit and the drill rod, saving time and labor, and facilitating the use of users, the production efficiency is facilitated;

2. through the matching use of the limiting mechanisms, when a worker rotates the threaded rod in the forward and reverse directions through the rotating handle, namely the two clamping plates are controlled to move in the opposite directions or in the reverse directions, the limiting rod can horizontally slide in the limiting hole, so that the two clamping plates can only move in the horizontal direction, the two clamping plates can accurately clamp the hexagonal prism, and the structural design of the hexagonal prism clamping device is reasonable.

Drawings

FIG. 1 is a schematic three-dimensional view of a drill bit according to the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is a front view of the structure of the present invention;

FIG. 4 is a cross-sectional view of the first mounting mechanism of the present invention;

fig. 5 is an enlarged view of fig. 2 at a.

In the figure: 1. a drill bit; 2. a drill stem; 2-1, mounting grooves; 2-2, a threaded hole a; 2-3, a threaded hole b; 2-4, limiting holes; 3. a hexagonal prism; 4. a threaded rod; 5. a splint; 6. a threaded post; 7. a limiting rod; 8. and (7) rotating a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: referring to fig. 1-5, an alloy drill bit convenient to mount and dismount comprises a drill bit 1 and a drill rod 2, wherein the bottom of the drill rod 2 is provided with a mounting groove 2-1, the top of the drill bit 1 is connected inside the mounting groove 2-1 through a first mounting mechanism and a second mounting mechanism, and a limiting mechanism is arranged between the first mounting mechanism and the mounting groove 2-1;

further, the first installation mechanism comprises threaded holes a2-2, hexagonal prisms 3, threaded rods 4 and clamping plates 5, the left side and the right side of the inner wall of the installation groove 2-1 are symmetrically provided with threaded holes a2-2, the number of the threaded holes a2-2 is two, the top of the drill bit 1 is provided with the hexagonal prisms 3, the hole walls of the threaded holes a2-2 are in threaded connection with the threaded rods 4, the number of the threaded rods 4 is two, the inner ends of the threaded rods 4 are in rotating connection with the clamping plates 5, the number of the clamping plates 5 is two, the inner walls of the clamping plates 5 are in fit with the side walls of the hexagonal prisms 3, the outer ends of the threaded rods 4 are in fixed connection with rotating handles 8, the number of the rotating handles 8 is two, when the drill bit 1 and the drill rod 2 need to be installed, a worker can rotate the threaded rods 4 through the rotating handles 8 to enable the threaded rods 4 to drive the clamping plates 5 to move oppositely to clamp the hexagonal prisms 3, when the drill bit 1 and the drill rod 2 need to be detached, the worker reversely rotates the threaded rod 4 through the rotating handle 8, so that the threaded rod 4 drives the clamping plate 5 to reversely move, and the clamping plate 5 does not clamp the hexagonal prism 3 any more;

further, the second installation mechanism is a threaded hole b2-3 and a threaded column 6, the top of the inner wall of the installation groove 2-1 is provided with a threaded hole b2-3, the top of the hexagonal prism 3 is provided with the threaded column 6, and a column body of the threaded column 6 is in threaded connection with the inside of the threaded hole b2-3, so that when the drill bit 1 and the drill rod 2 need to be installed, a worker directly screws the threaded column 6 into the threaded hole b2-3, when the drill bit 1 and the drill rod 2 need to be disassembled, the worker directly and reversely rotates the threaded column 6 to enable the threaded column 6 to be screwed out of the threaded hole b2-3, so that when the drill bit 1 is installed between the drill bit 1 and the drill rod 2, the worker only needs to firstly connect the threaded column 6 in the threaded hole b2-3 in a threaded manner, then rotates the threaded rod 4 through the rotating handle 8 to enable the threaded rod 4 to drive the clamping plates 5 to move oppositely, and clamp the hexagonal prism 3 tightly, the purpose of mounting the drill bit 1 and the drill rod 2 can be achieved, and similarly, the drill bit 1 and the drill rod 2 can be dismounted through reverse operation, and the clamping plate 5 clamps the hexagonal prism 3, so that the drill bit 1 can not rotate under the action of centrifugal force when being driven by the drill rod 2 to rotate at high speed, and the drill bit 1 can not rotate under the action of centrifugal force, so that the threaded column 6 is effectively prevented from being separated from the threaded hole b2-3, the stability is enhanced, and the structure is reasonable in design;

furthermore, the limiting mechanism is provided with two limiting holes 2-4 and two limiting rods 7, two groups of limiting holes 2-4 are symmetrically arranged on the left side and the right side of the inner wall of the mounting groove 2-1, the number of the limiting holes 2-4 in each group is two, the threaded hole a2-2 is positioned between the two limiting holes 2-4, the limiting rod 7 penetrates through the inside of each limiting hole 2-4, and the inner end of each limiting rod 7 is horizontally welded on the outer wall of the clamping plate 5, so that when a worker rotates the threaded rod 4 in the forward and reverse directions through the rotating handle 8, namely when the two clamping plates 5 are controlled to move in opposite directions or in reverse directions, the limiting rod 7 can horizontally slide in the limiting holes 2-4, the two clamping plates 5 can only move in the horizontal direction, the two clamping plates 5 can accurately clamp the hexagonal prism 3, and the structure of the hexagonal prism clamping device is reasonable in design;

further, drill bit 1 and hexagonal prism 3 formula structure as an organic whole, drill bit 1 is the same with the 3 materials in hexagonal prism, hexagonal prism 3 and screw post 6 formula structure as an organic whole, and hexagonal prism 3 is the same with the 6 materials in screw post, so drill bit 1, hexagonal prism 3 and the 6 formula structures as an organic whole in screw post can guarantee the steadiness between drill bit 1, hexagonal prism 3 and the screw post 6, prevent the fracture.

The working principle is as follows: when the drill bit 1 is installed between the drill bit 1 and the drill rod 2, a worker only needs to connect the threaded column 6 in the threaded hole b2-3 in a threaded manner, then the threaded rod 4 is rotated through the rotating handle 8, so that the threaded rod 4 drives the clamping plate 5 to move oppositely, and the hexagonal prism 3 is clamped, the aim of installing the drill bit 1 and the drill rod 2 can be achieved, similarly, the drill bit 1 and the drill rod 2 can be disassembled through reverse operation, and the clamping plate 5 clamps the hexagonal prism 3, so that the hexagonal prism 3 can not rotate under the centrifugal force when the drill bit 1 is driven by the drill rod 2 to rotate at a high speed, and the drill bit 1 can not rotate under the centrifugal force, so that the threaded column 6 is effectively prevented from being separated from the threaded hole b2-3, the stability is enhanced, the structure design of the drill bit is reasonable, the drill bit 1 and the drill rod 2 can have the function of facilitating the assembly and disassembly between the drill bit 1 and the drill rod 2, time and labor are saved, and the use is convenient for users, is beneficial to the production efficiency.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an alloy drill bit convenient to installation is dismantled, includes drill bit (1) and drilling rod (2), and drilling rod (2) bottom is equipped with mounting groove (2-1), its characterized in that: the top of the drill bit (1) is connected inside the mounting groove (2-1) through a first mounting mechanism and a second mounting mechanism, and a limiting mechanism is arranged between the first mounting mechanism and the mounting groove (2-1).

2. The alloy drill bit convenient to mount and dismount as claimed in claim 1, wherein: first installation mechanism is screw hole a (2-2), hexagonal prism (3), threaded rod (4) and splint (5), mounting groove (2-1) inner wall left and right sides symmetry is equipped with screw hole a (2-2), drill bit (1) top is equipped with hexagonal prism (3), the equal threaded connection of screw hole a (2-2) pore wall has threaded rod (4), threaded rod (4) inner all rotates and is connected with splint (5), splint (5) inner wall all laminates mutually with hexagonal prism (3) lateral wall.

3. The alloy drill bit convenient to mount and dismount as claimed in claim 2, wherein: the number of the threaded holes a (2-2) is two, the number of the threaded rods (4) is two, and the number of the clamping plates (5) is two.

4. The alloy drill bit convenient to mount and dismount as claimed in claim 2, wherein: the outer end of the threaded rod (4) is fixedly connected with rotating handles (8), and the number of the rotating handles (8) is two.

5. The alloy drill bit convenient to mount and dismount as claimed in claim 1, wherein: the second installation mechanism is a threaded hole b (2-3) and a threaded column (6), the threaded hole b (2-3) is formed in the top of the inner wall of the installation groove (2-1), the threaded column (6) is arranged at the top of the hexagonal prism (3), and the column body of the threaded column (6) is in threaded connection with the inside of the threaded hole b (2-3).

6. The alloy drill bit convenient to mount and dismount as claimed in claim 1, wherein: the limiting mechanism comprises limiting holes (2-4) and limiting rods (7), two groups of limiting holes (2-4) are symmetrically arranged on the left side and the right side of the inner wall of the mounting groove (2-1), the number of the limiting holes (2-4) in each group is two, the threaded holes a (2-2) are located between the two limiting holes (2-4), the limiting rods (7) penetrate through the inner parts of the limiting holes (2-4), and the inner ends of the limiting rods (7) are horizontally welded on the outer wall of the clamping plate (5).

7. The alloy drill bit convenient to mount and dismount as claimed in claim 2, wherein: the drill bit (1) and the hexagonal prism (3) are of an integrated structure, and the drill bit (1) and the hexagonal prism (3) are made of the same material.

8. The alloy drill bit convenient to mount and dismount as claimed in claim 5, wherein: the hexagonal prism (3) and the threaded column (6) are of an integrated structure, and the hexagonal prism (3) and the threaded column (6) are made of the same material.