CN212945621U

CN212945621U - Twist drill with replaceable drill tip

Info

Publication number: CN212945621U
Application number: CN202021852540.XU
Authority: CN
Inventors: 王冠
Original assignee: Jiangsu Jiangdong Tools Co ltd
Current assignee: Jiangsu Jiangdong Tools Co ltd
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-04-13
Anticipated expiration: 2030-08-29

Abstract

The utility model discloses a twist drill of removable drill point, including the drillstock, the one end fixed mounting of drillstock has the drill bit, the one end fixed mounting of drill bit has the connecting block, the inside movable mounting of connecting block has the drill point, the bottom fixed mounting of drill point has magnet. The utility model discloses, directly take off the drill point, change new drill point back, through magnet and the inside effect that sets up between the magnetic sheet of connecting block, fix the drill point, compare ordinary fluted drill, when the drill point appears damaged, avoided the holistic scrap of fluted drill, improved fluted drill's availability factor, effectively reduced manufacturing cost.

Description

Twist drill with replaceable drill tip

Technical Field

The utility model relates to a drill bit technical field specifically is a twist drill of removable drill point.

Background

Twist drills are tools that drill round holes in a workpiece by rotary cutting thereof about a fixed axis. The flute is spiral and shaped like twist.

The drill point of the twist drill is in a certain special shape, so that the twist drill is easy to damage after being used for a long time, the whole twist drill is scrapped, the resource waste is caused, and the production cost is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a twist drill of removable drill point to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a twist drill of removable drill point, includes the drill handle, the one end fixed mounting of drill handle has the drill bit, the one end fixed mounting of drill bit has the connecting block, the inside movable mounting of connecting block has the drill point, the bottom fixed mounting of drill point has magnet.

Preferably, the combination mode between the drill handle and the drill bit is integrated.

Preferably, the drill bit is internally provided with a thread groove.

Preferably, a shaping block is fixedly mounted at one end of the drill tip, and the mounting position of the magnet is located on the side wall of the shaping block.

Preferably, the inside of the connecting block is provided with a groove matched with the size of the modeling block arranged on the drill point.

Preferably, a magnetic plate matched with the size of the contact surface of the magnet is arranged in the connecting block.

Compared with the prior art, the beneficial effects of the utility model are that: this twist drill of removable drill point when carrying out the change of drill point, directly takes off the drill point, changes new drill point back, through magnet and the inside effect that sets up between the magnetic sheet of connecting block, fixes the drill point, compares ordinary twist drill, when the drill point appears damaged, has avoided holistic scrapping of twist drill, has improved twist drill's availability factor, has effectively reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic view of the structure of the drill tip of the present invention.

In the figure: 1 drill handle, 2 drill bits, 3 connecting blocks, 4 drill tips and 5 magnets.

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. 1-3, the present invention provides an embodiment: the utility model provides a twist drill of removable drill point, including drillstock 1, the one end fixed mounting of drillstock 1 has drill bit 2, the compound mode between drillstock 1 and the drill bit 2 is integrated into one piece, the thread groove has been seted up to the inside of drill bit 2, the one end fixed mounting of drill bit 2 has connecting block 3, the inside movable mounting of connecting block 3 has drill point 4, the one end fixed mounting of drill point 4 has the shaping piece, magnet 5's mounted position is located the lateral wall of the above-mentioned shaping piece, connecting block 3's inside is seted up and is set up the recess of shaping piece size looks adaptation on the drill point 4, the bottom fixed mounting of drill point 4 has magnet 5, the inside of connecting block 3 is provided with the magnetic sheet with 5 contact surface size looks adaptations of magnet.

The working principle is as follows: when the drill point 4 is replaced, the drill point 4 is directly taken down, and after a new drill point 4 is replaced, the drill point 4 is fixed through the action between the magnet 5 and the magnetic plate arranged inside the connecting block 3.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A twist drill with a replaceable drill tip comprises a drill handle (1), and is characterized in that: the drill bit is characterized in that a drill bit (2) is fixedly mounted at one end of the drill handle (1), a connecting block (3) is fixedly mounted at one end of the drill bit (2), a drill point (4) is movably mounted inside the connecting block (3), and a magnet (5) is fixedly mounted at the bottom of the drill point (4).

2. A tip replaceable twist drill according to claim 1, wherein: the drill handle (1) and the drill bit (2) are integrally formed.

3. A tip replaceable twist drill according to claim 1, wherein: the drill bit (2) is internally provided with a thread groove.

4. A tip replaceable twist drill according to claim 1, wherein: one end of the drill point (4) is fixedly provided with a modeling block, and the installation position of the magnet (5) is positioned on the side wall of the modeling block.

5. A tip replaceable twist drill according to claim 4, wherein: the inside of connecting block (3) is seted up with set up the recess of modelling block size looks adaptation on drill point (4).

6. A tip replaceable twist drill according to claim 4, wherein: and a magnetic plate matched with the contact surface of the magnet (5) in size is arranged in the connecting block (3).