CN217571011U

CN217571011U - Oxidation-resistant alloy drill bit

Info

Publication number: CN217571011U
Application number: CN202220838632.5U
Authority: CN
Inventors: 孙悦; 徐双喜; 张万里
Original assignee: Changzhou Yeyuan Tools Co ltd
Current assignee: Changzhou Yeyuan Tools Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-10-14
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to an alloy drill bit technical field just discloses an anti-oxidant alloy drill bit, including tool bit, positioning mechanism, handle of a knife and blade holder, tool bit fixed connection is in the lower extreme of handle of a knife, the blade holder sets up in the top of handle of a knife, positioning mechanism sets up in the inside of blade holder, positioning mechanism includes device groove and movable block, the movable block sets up in the inside in device groove, the inside in device groove is provided with reset spring. The utility model discloses a set up positioning mechanism in the inside of blade holder, can conveniently dismantle the change fast to the drill bit, when the drill bit needs to be changed, its staff presses according to the piece, makes the movable block drive the connecting block and removes left, makes the reference column that the connecting block left side set up break away from the locating hole on constant head tank and the handle of a knife, and the handle of a knife can directly be followed the blade holder and extracted downwards this moment, conveniently carries out quick replacement to the drill bit, and convenient operation avoids changing the machining efficiency that the drill bit overlength consuming time influences the work piece.

Description

Oxidation-resistant alloy drill bit

Technical Field

The utility model relates to an alloy drill bit technical field specifically is an anti-oxidation alloy drill bit.

Background

The drill bit is a high-efficiency drill bit for multi-blade annular cutting, the drilling diameter is from 12mm to 150mm, the drill bit is mainly used for drilling and processing steel members, such as the field of hole processing of steel structure engineering, rail traffic, bridges, ships, machinery manufacturing, aerospace and the like, the drilling performance of the drill bit is obviously superior to that of a traditional two-blade twist drill, and the drill bit has the characteristics of high drilling efficiency and light, fast and labor-saving drilling.

When the existing oxidation-resistant alloy drill bit is used for machining a workpiece, once the damage phenomenon occurs, the oxidation-resistant alloy drill bit needs to be replaced in time, but the replacement is troublesome, and the machining efficiency of the workpiece is easily influenced.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-oxidant alloy drill bit, includes tool bit, positioning mechanism, handle of a knife and blade holder, tool bit fixed connection is in the lower extreme of handle of a knife, the blade holder sets up in the top of handle of a knife, positioning mechanism sets up in the inside of blade holder.

The positioning mechanism comprises a device groove and a moving block, the moving block is arranged inside the device groove, a return spring is arranged inside the device groove, a spring groove is formed in the right wall of the moving block, the return spring is fixedly installed inside the spring groove, a pressing block is fixedly installed at the left end of the moving block, a connecting block is fixedly connected to the bottom of the moving block, and a positioning column is fixedly connected to the left wall of the connecting block.

Preferably, the device groove is formed in the tool apron, a first groove is formed in the bottom of the tool apron, the tool shank is connected to the inside of the first groove in an inserting mode, and the top end of the tool shank can be conveniently inserted into the tool apron due to the first groove.

Preferably, a slot is formed in the top wall of the inner portion of the first groove, a positioning groove is formed in the inner wall of the first groove, the positioning column is inserted into the positioning groove, an insertion block is inserted into the slot, the insertion block is fixedly connected to the top end of the cutter handle, and the slot can be used for limiting the cutter handle.

Preferably, the quantity of constant head tank is two, its two the constant head tank is opened respectively at the inside left wall and the inside right wall of first recess, and the setting up of constant head tank makes things convenient for inserting of reference column, makes reference column more stable.

Preferably, a second groove is formed in the top end of the cutter handle, a positioning hole is formed in the left wall of the inner portion of the second groove, the positioning column penetrates through the inner portion of the positioning hole, and the positioning hole is convenient for the positioning column to position and fix the cutter handle.

Preferably, the number of the second grooves is two, the two second grooves are respectively arranged on the left side of the upper end and the right side of the upper end of the knife handle, and the second grooves are arranged to facilitate the insertion of the connecting block into the upper end of the knife handle.

The utility model provides an anti-oxidation alloy drill bit. The method has the following beneficial effects:

(1) The utility model discloses a set up positioning mechanism in the inside of blade holder, can conveniently dismantle the change fast to the drill bit, when needs change the drill bit, its staff presses according to the piece, makes the movable block drive the connecting block and removes left, makes the reference column that the connecting block left side set up break away from the locating hole on constant head tank and the handle of a knife, and the handle of a knife can directly be followed the blade holder and extracted downwards this moment, conveniently carries out quick replacement to the drill bit, and convenient operation avoids changing the machining efficiency that the drill bit overlength consuming time influences the work piece.

(2) The utility model discloses a setting of its slot and inserted block can play spacing effect to the inside handle of a knife of inserting the blade holder, avoids the handle of a knife to appear rocking unstable phenomenon in the inside of blade holder, has improved the drill bit stability at the during operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the knife holder of the present invention;

fig. 4 is the utility model discloses handle of a knife section structure sketch map.

In the figure: 1. a cutter head; 2. a positioning mechanism; 201. a device slot; 202. a spring slot; 203. a return spring; 204. according to the block; 205. a moving block; 206. connecting blocks; 207. a positioning column; 3. a knife handle; 4. a tool apron; 5. a slot; 6. a first groove; 7. positioning a groove; 8. a second groove; 9. positioning holes; 10. and (5) inserting the blocks.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides an anti-oxidant alloy drill bit, includes tool bit 1, positioning mechanism 2, handle of a knife 3 and

blade holder

4, and 1 fixed connection of tool bit is in the lower extreme of handle of a knife 3, and blade holder 4 sets up in the top of handle of a knife 3, and positioning mechanism 2 sets up in the inside of blade holder 4.

Positioning mechanism 2 includes device groove 201 and movable block 205, movable block 205 sets up in the inside of device groove 201, the inside of device groove 201 is provided with reset spring 203, spring groove 202 has been seted up to the right wall of movable block 205, reset spring 203 fixed mounting is in the inside of spring groove 202, the left end fixed mounting of movable block 205 presses piece 204, the bottom fixedly connected with connecting block 206 of movable block 205, the left wall fixedly connected with reference column 207 of connecting block 206, set up positioning mechanism 2 through the inside at blade holder 4, can conveniently carry out quick dismantlement change to the drill bit, when needing to be changed the drill bit, its staff presses piece 204, make movable block 205 drive connecting block 206 move left, make reference column 207 that connecting block 206 left side set up break away from locating slot 7 and locating hole 9 on the handle of a

knife

3, 3 can directly extract downwards from blade holder 4 this moment, conveniently carry out quick replacement to the drill bit, and convenient for operation, avoid changing the drill bit consuming time and influencing the machining efficiency of work piece.

The device groove 201 is arranged inside the tool apron 4, the bottom of the tool apron 4 is provided with a first groove 6, the tool shank 3 is inserted inside the first groove 6, the first groove 6 is arranged to facilitate the top end of the tool shank 3 to be inserted inside the tool apron 4, the top wall inside the first groove 6 is provided with a slot 5, the inner wall of the first groove 6 is provided with a positioning groove 7, the positioning column 207 is inserted inside the positioning groove 7, the insertion block 10 is inserted inside the slot 5, the insertion block 10 is fixedly connected to the top end of the tool shank 3, the slot 5 can limit the tool shank 3 by arranging the insertion block 10, the number of the positioning grooves 7 is two, the two positioning grooves 7 are respectively arranged on the left wall and the right wall inside the first groove 6, and the positioning groove 7 is arranged to facilitate the insertion of the positioning column 207, make reference column 207 more stable, second recess 8 has been seted up on the top of handle of a knife 3, locating hole 9 has been seted up to the inside left wall of second recess 8, reference column 207 runs through the inside of locating hole 9, locating hole 9's setting can make things convenient for reference column 207 to fix a position fixedly to handle of a knife 3, the quantity of second recess 8 is two, its two second recesses 8 are seted up respectively in the upper end left side and the upper end right side of handle of a knife 3, the setting of second recess 8 can make things convenient for connecting block 206 to insert inside the upper end of handle of a knife 3, through the setting of its slot 5 and inserted block 10, can play spacing effect to inserting the inside handle of a knife 3 of blade holder 4, avoid handle of a knife 3 to appear rocking unstable phenomenon in the inside of blade holder 4, the stability of drill bit at the during operation has been improved.

When the drill bit is required to be replaced, a worker presses the pressing block 204 to enable the moving block 205 to drive the connecting block 206 to move leftwards, the positioning column 207 arranged on the left side of the connecting block 206 is separated from the positioning groove 7 and the positioning hole 9 in the cutter handle 3, the cutter handle 3 can be directly pulled out downwards from the cutter holder 4 at the moment, the drill bit can be replaced quickly and conveniently, the operation is convenient, and the problem that the machining efficiency of a workpiece is influenced due to too long time consumed for replacing the drill bit is avoided; through the arrangement of the slot 5 and the insertion block 10, the cutter handle 3 inserted into the cutter holder 4 can be limited, the phenomenon that the cutter handle 3 is unstable in the interior of the cutter holder 4 is avoided, and the stability of the drill bit during working is 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

1. The utility model provides an anti-oxidant alloy drill bit, includes tool bit (1), positioning mechanism (2), handle of a knife (3) and blade holder (4), its characterized in that: the cutter head (1) is fixedly connected to the lower end of the cutter handle (3), the cutter holder (4) is arranged at the top end of the cutter handle (3), and the positioning mechanism (2) is arranged inside the cutter holder (4);

the positioning mechanism (2) comprises a device groove (201) and a moving block (205), the moving block (205) is arranged inside the device groove (201), a return spring (203) is arranged inside the device groove (201), the spring groove (202) is formed in the right wall of the moving block (205), the return spring (203) is fixedly arranged inside the spring groove (202), a pressing block (204) is fixedly arranged at the left end of the moving block (205), a connecting block (206) is fixedly connected to the bottom of the moving block (205), and a positioning column (207) is fixedly connected to the left wall of the connecting block (206).

2. The oxidation resistant alloy drill bit according to claim 1, wherein: the device groove (201) is arranged in the tool apron (4), a first groove (6) is formed in the bottom of the tool apron (4), and the tool shank (3) is inserted into the first groove (6).

3. The oxidation resistant alloy drill bit of claim 2, wherein: slot (5) have been seted up to the inside roof of first recess (6), constant head tank (7) have been seted up to the inner wall of first recess (6), reference column 207 pegs graft in the inside of constant head tank (7), peg graft in the inside of slot (5) has inserted block (10), inserted block (10) fixed connection is in the top of handle of a knife (3).

4. The oxidation resistant alloy drill bit according to claim 3, wherein: the number of the positioning grooves (7) is two, and the two positioning grooves (7) are respectively arranged on the left wall and the right wall of the inner part of the first groove (6).

5. The oxidation resistant alloy drill bit according to claim 1, wherein: a second groove (8) is formed in the top end of the cutter handle (3), a positioning hole (9) is formed in the left wall of the inner portion of the second groove (8), and the positioning column (207) penetrates through the inner portion of the positioning hole (9).

6. The oxidation resistant alloy drill bit according to claim 5, wherein: the number of the second grooves (8) is two, and the two second grooves (8) are respectively arranged on the left side of the upper end and the right side of the upper end of the knife handle (3).