CN217666658U

CN217666658U - High-performance twist drill bit with wear-resistant coating

Info

Publication number: CN217666658U
Application number: CN202221339213.3U
Authority: CN
Inventors: 吕亚琪
Original assignee: Changzhou Meihang Machinery Co ltd
Current assignee: Changzhou Meihang Machinery Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a high performance has wear-resistant coating's twist drill, including drilling rod, drill bit and drill blade. The utility model has the advantages that: the utility model discloses a through setting up fixing base, mounting groove, holding tank, connecting rod, spacing groove, clamping screw and fixation nut, through the cooperation between them, can fix connecting seat and drilling rod, make things convenient for the later stage to change the joint seat to can be connected with the lathe of different models, and set up the chip groove on the surface of drill bit, can carry out timely clearance with the sweeps that mill and produce; the utility model discloses well drilling rod, drill bit and drill bit all adopt alloy material to make, can improve the self hardness of drill bit, and then improve its life, all be provided with wear-resistant coating on the surface of drill bit and drill bit moreover, can improve this twist drill's wear resistance, reduce its wearing and tearing loss in the use.

Description

High-performance twist drill bit with wear-resistant coating

Technical Field

The utility model relates to a twist drill, specifically be a high performance has wear-resistant coating's twist drill, belong to drill technical field.

Background

Twist drill is a tool through the rotary cutting of relatively fixed axis with the round hole of drilling work piece, and its appearance is the heliciform, and the shape is similar to the fried dough twist, along with the high-speed development of society, the technological level constantly improves, adds man-hour in fields such as intelligent manufacturing, robot and new energy automobile, needs to use twist drill to punch.

Some existing twist drills have problems in use:

1) Most of connectors mounted with a machine tool in some conventional twist drills are fixedly connected with a drill rod and cannot be detached, and when the existing twist drills need to be connected with different machine tools, the situation that the connectors are not matched easily occurs, and the connectors cannot be replaced, so that the mounting is difficult;

2) The existing twist drill bit is lack of a protective layer, so that the twist drill bit is easily worn by a workpiece in the using process, and the service life of the twist drill bit is shortened.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high performance twist drill with a wear resistant coating for solving at least one of the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a high performance twist drill with a wear resistant coating comprises

The lower end of the drill rod is fixedly provided with a connecting rod, the lower end of the connecting rod is arranged in the fixed seat, the lower side wall of the fixed seat is fixedly provided with a connecting seat, and the lower side wall of the connecting seat is welded with a connecting head;

the drill bit is fixedly connected to the upper end of the drill rod and is manufactured with the drill rod by adopting an integrated process;

and the drill blade is fixedly connected to the end part of the drill bit far away from the drill rod.

As the utility model discloses further scheme again: the drill rod, the drill bit and the drill blade are all made of alloy materials.

As a further aspect of the present invention: the surface spiral winding of drill bit is provided with the chip groove, and the chip groove is provided with many.

As the utility model discloses further scheme again: and wear-resistant coatings are arranged on the surfaces of the drill bit and the drill blade.

As a further aspect of the present invention: the upside central point of fixing base puts inside being provided with connecting rod matched with mounting groove, and the inside cell wall outer loop that is located the mounting groove of fixing base has four fixation nut, every one side that fixation nut kept away from the mounting groove all is provided with the holding tank of seting up in the fixing base lateral wall, fixation nut female connection has clamping screw, and clamping screw's tip extensible to mounting groove in, four spacing grooves have been seted up all around to the pole body of connecting rod, the fixing base passes through the mating reaction between connecting rod and the clamping screw and is connected with the drilling rod.

As a further aspect of the present invention: and a spring is sleeved between the rod body of the fixing screw and the fixing nut.

As a further aspect of the present invention: and an elastic rubber pad is arranged between the connecting rod and the bottom wall of the mounting groove.

The beneficial effects of the utility model are that:

1) The utility model discloses a through setting up fixing base, mounting groove, holding tank, connecting rod, spacing groove, clamping screw and fixation nut, through the cooperation between them, can fix connecting seat and drilling rod, make things convenient for the later stage to change the joint seat to can be connected with the lathe of different models, and set up the chip groove on the surface of drill bit, can carry out timely clearance with the sweeps that mill and produce;

2) The utility model discloses well drilling rod, drill bit and drill bit all adopt alloy material to make, can improve the self hardness of drill bit, and then improve its life, all be provided with wear-resistant coating on the surface of drill bit and drill bit moreover, can improve the wear resistance of this fluted drill bit, reduce its wearing and tearing loss in the use.

Drawings

FIG. 1 is a schematic view of the twist drill according to the present invention;

FIG. 2 is a schematic view of the sectional structure of the mounting side of the twist drill and the connecting seat of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the overlooking profile structure of the installation of the twist drill and the connecting seat of the present invention.

In the figure: 1. drilling rod, 2, drill bit, 3, chip groove, 4, drill edge, 5, connecting rod, 6, fixing base, 7, connecting seat, 8, connector, 9, spacing groove, 10, elastic rubber pad, 11, fixation nut, 12, holding tank, 13, set screw, 14, spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to FIGS. 1-4, a high performance twist drill with wear resistant coating includes

The lower end of the drill rod 1 is fixedly provided with a connecting rod 5, the lower end of the connecting rod 5 is arranged in a fixed seat 6, a connecting seat 7 is fixedly arranged on the lower side wall of the fixed seat 6, and a connecting head 8 is welded on the lower side wall of the connecting seat 7;

the drill bit 2 is fixedly connected to the upper end of the drill rod 1 and is manufactured with the drill rod 1 by adopting an integrated process;

and the drill blade 4 is fixedly connected to the end part, far away from the drill rod 1, of the drill bit 2.

The embodiment of the utility model provides an in, the upside central point of fixing base 6 puts inside being provided with connecting rod 5 matched with mounting groove, and the inside cell wall outer loop that is located the mounting groove of fixing base 6 has four fixation nut 11, every around the scarf joint one side that fixation nut 11 kept away from the mounting groove all is provided with the holding tank 12 of seting up in fixing base 6 lateral wall, 11 female connection of fixation nut has fixation screw 13, and fixation screw 13's tip extensible to the mounting groove in, the pole body of connecting rod 5 is all around encircleed and has been seted up four spacing grooves 9, fixing base 6 is connected with drilling rod 1 through the cooperation between connecting rod 5 and the fixation screw 13, conveniently changes connector 8 to can be connected with the lathe of different models.

In the embodiment of the present invention, the spring 14 is sleeved on the shaft of the fixing screw 13 and between the fixing nut 11, and in the fastening process of the fixing screw 13, the elastic action of the spring 14 can make the connection between the fixing screw 13 and the fixing nut 11 more tight.

The embodiment of the utility model provides an in, be provided with elastic rubber pad 10 between connecting rod 5 and the mounting groove diapire, avoid the two direct contact to cause wearing and tearing, avoid influencing its life.

Example two

The drill rod 1 is fixedly provided with a connecting rod 5 at the lower end, the lower end of the connecting rod 5 is arranged in a fixed seat 6, a connecting seat 7 is fixedly arranged on the lower side wall of the fixed seat 6, and a connecting head 8 is welded on the lower side wall of the connecting seat 7;

and a drill blade 4 fixedly connected to the end of the drill bit 2 remote from the drill rod 1.

The embodiment of the utility model provides an in, drilling rod 1, drill bit 2 and drill blade 4 all adopt alloy material to make, can improve the self hardness of drill bit, and then improve its life.

The embodiment of the utility model provides an in, the surperficial spiral winding of drill bit 2 is provided with chip groove 3, and chip groove 3 is provided with many, can carry out timely clearance with the sweeps that mill the production.

The embodiment of the utility model provides an in, the surface of drill bit 2 and drill edge 4 all is provided with wear-resistant coating, can improve this fluted drill's wear resistance, reduces its wearing and tearing loss in the use.

The working principle is as follows: when using this kind of high performance twist drill that has wear-resistant coating, at first the model according to the lathe connector is different, connector and drilling rod 1 that will correspond are connected, through setting up fixing base 6, the mounting groove, holding tank 12, connecting rod 5, spacing groove 9, clamping screw 13 and fixation nut 11, cooperation through between it, can fix connector 8 and drilling rod 1, thereby conveniently fix the drill bit and lathe, make things convenient for the later stage to connecting to sit and change, so that can be connected with the lathe of different models, drilling rod 1 in this drill bit, drill bit 2 and drill point 4 all adopt alloy material to make, can improve the self hardness of drill bit, and then improve its life, and all be provided with wear-resistant coating on the surface of drill bit 2 and drill point 4, can improve the wear resistance of this twist drill, reduce its wearing and tearing loss in the use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which 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.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A high-performance twist drill with a wear-resistant coating is characterized by comprising

The drill rod (1) is fixedly provided with a connecting rod (5) at the lower end, the lower end of the connecting rod (5) is arranged inside a fixed seat (6), a connecting seat (7) is fixedly arranged on the lower side wall of the fixed seat (6), and a connecting head (8) is welded on the lower side wall of the connecting seat (7);

the drill bit (2) is fixedly connected to the upper end of the drill rod (1) and is manufactured with the drill rod (1) by adopting an integrated process;

and the drill blade (4) is fixedly connected to one end part of the drill bit (2) far away from the drill rod (1).

2. A high performance twist drill with wear resistant coating according to claim 1, wherein: the drill rod (1), the drill bit (2) and the drill blade (4) are all made of alloy materials.

3. A high performance twist drill with wear resistant coating according to claim 1, wherein: the surface spiral winding of drill bit (2) is provided with chip groove (3), and chip groove (3) are provided with many.

4. A high performance twist drill with wear resistant coating according to claim 1, wherein: and wear-resistant coatings are arranged on the surfaces of the drill bit (2) and the drill blade (4).

5. A high performance coated twist drill according to claim 1, wherein: the upside central point of fixing base (6) puts inside being provided with connecting rod (5) matched with mounting groove, and fixing base (6) inside cell wall outer loop that is located the mounting groove has inlayed four fixation nut (11), every one side that the mounting groove was kept away from in fixation nut (11) all is provided with holding tank (12) of seting up in fixing base (6) lateral wall, fixation nut (11) female connection has clamping screw (13), and the tip extensible of clamping screw (13) to the mounting groove in, the pole body of connecting rod (5) is encircleed all around and has been seted up four spacing groove (9), fixing base (6) are connected with drilling rod (1) through the mating reaction between connecting rod (5) and clamping screw (13).

6. A high performance twist drill with wear resistant coating according to claim 5, wherein: and a spring (14) is sleeved between the rod body of the fixing screw rod (13) and the fixing nut (11).

7. A high performance coated twist drill according to claim 1, wherein: an elastic rubber pad (10) is arranged between the connecting rod (5) and the bottom wall of the mounting groove.