CN216881872U

CN216881872U - Coating alloy drill bit capable of controlling drilling depth

Info

Publication number: CN216881872U
Application number: CN202122780920.8U
Authority: CN
Inventors: 谢亚平; 谢卫芬
Original assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Current assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-05
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a coating alloy drill bit capable of controlling the drilling depth, which comprises a drill sleeve, a drill rod and a drill bit. The utility model has the beneficial effects that: the drill rod and the drill sleeve of the alloy drill bit can slide, the drilling depth can be flexibly adjusted when the alloy drill bit is used, and the drill sleeve, the drill rod and the drill bit are made of alloy materials, so that the hardness of the alloy drill bit is conveniently improved, the abrasion of the alloy drill bit during use is reduced, the alloy drill bit is prevented from being broken, and the service life of the alloy drill bit is prolonged; according to the drill bit, the centering is fixedly arranged at the center of the lower end of the drill bit, the centering is made of tungsten steel, the wear resistance of the drill bit can be improved, the drill bit can be conveniently and quickly positioned with a workpiece, waste scraps generated by milling can be cleaned by arranging the chip grooves and the chip grooves, the waste scraps are prevented from being accumulated on the surface of the workpiece and damaging a drill blade and the workpiece, and the drill bit is further provided with the plurality of heat dissipation holes, so that the drill bit can be cooled, and the drill bit is prevented from being damaged due to high temperature.

Description

Coating alloy drill bit capable of controlling drilling depth

Technical Field

The utility model relates to an alloy drill bit, in particular to a coating alloy drill bit capable of controlling the drilling depth, and belongs to the technical field of drill bits.

Background

The drill bit is a tool for drilling a through hole or a blind hole in a solid material and reaming the existing hole, and the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill, although the reaming drill and the countersink drill cannot drill the solid material, the reaming drill and the countersink drill are also classified into the drill bits in a habitual way and are often installed on machinery and a machine tool to carry out production and processing operations on a machined part, wherein the alloy drill bit is the most commonly used drill bit.

The existing alloy drill bit has some problems in use:

1) the existing alloy drill bit is fixedly connected with the drill sleeve, so that the drilling depth cannot be adjusted, the use is inconvenient, and the existing alloy drill bit has poor hardness and is easy to wear and break in use;

2) the existing alloy drill bit is lack of a positioning device, so that the existing alloy drill bit is easy to deviate during milling, grooving failure is caused, the working efficiency is reduced, and scraps generated during milling can be accumulated on the surface of a workpiece, so that the workpiece is damaged, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems by providing a coated alloy drill bit with a controllable drilling depth.

The utility model realizes the purpose through the following technical scheme: comprises that

The drill sleeve is fixedly provided with a through groove in the lower side, a clamping groove is fixedly formed in the side wall of one side of the drill sleeve, and the drill bit and a machine tool can be conveniently connected by the clamping groove;

the side walls of two sides of the drill rod are fixedly provided with grooves and are arranged in through grooves arranged in the drill bushing;

the upper end of the drill bit is integrated with the lower end of the drill rod, and drill blades are fixedly connected to two sides of the lower end of the drill bit.

As a still further scheme of the utility model: the upper end central point of drilling rod puts inside and has seted up the constant head tank, and the logical inslot portion of drill bushing connect with constant head tank matched with locating lever, the locating lever slides and pegs graft in the constant head tank.

As a still further scheme of the utility model: and fastening bolts are arranged on two sides of the drill bushing, and fastening ends of the fastening bolts extend into the through grooves and are abutted against grooves formed in two sides of the drill rod.

As a still further scheme of the utility model: the center of the lower end of the drill bit is fixedly provided with a centering device, and the centering device is made of tungsten steel materials.

As a still further scheme of the utility model: the drill bit is provided with the chip groove on one side of centering, and the upside of chip groove link up and is provided with the chip groove.

As a still further scheme of the utility model: the drill bit is also provided with a plurality of heat dissipation holes.

As a still further scheme of the utility model:

the utility model has the beneficial effects that: the drill sleeve, the drill rod and the drill bit are all made of alloy materials, and hard coatings are arranged on the surfaces of the drill sleeve, the drill rod and the drill bit.

1) The alloy drill bit has the advantages that the drill rod and the drill sleeve can slide, the drilling depth can be flexibly adjusted when the alloy drill bit is used, the alloy drill bit is convenient to use, the drill sleeve, the drill rod and the drill bit are made of alloy materials, and hard coatings are arranged on the surfaces of the drill sleeve, the drill rod and the drill bit, so that the hardness of the alloy drill bit is improved, the abrasion in use is reduced, the breakage is avoided, and the service life of the alloy drill bit is prolonged;

2) according to the drill bit, the centering is fixedly arranged at the center of the lower end of the drill bit, the centering is made of tungsten steel, the wear resistance of the drill bit can be improved, the drill bit can be conveniently and quickly positioned with a workpiece, waste scraps generated by milling can be cleaned by arranging the chip grooves and the chip grooves, the waste scraps are prevented from being accumulated on the surface of the workpiece and damaging a drill blade and the workpiece, and the drill bit is further provided with the plurality of heat dissipation holes, so that the drill bit can be cooled, and the drill bit is prevented from being damaged due to high temperature.

Drawings

FIG. 1 is a schematic view of the overall structure of an alloy drill bit according to the present invention;

FIG. 2 is a schematic view of the connection section of the alloy drill bit according to the present invention;

FIG. 3 is a schematic view of the internal structure of the drill rod of the present invention;

FIG. 4 is a schematic top view of the drill of the present invention.

In the figure: 1. the drill bit comprises a drill sleeve, 2, a clamping groove, 3, a fastening bolt, 4, a drill rod, 5, a drill bit, 6, a chip groove, 7, a heat dissipation hole, 8, a drill edge, 9, a chip groove, 10, centering, 11, a through groove, 12, a positioning rod, 13, a groove, 14 and a positioning groove.

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.

Example one

Referring to FIGS. 1-4, a coated alloy drill bit with controllable drilling depth includes

The drill sleeve 1 is fixedly provided with a through groove 11 in the lower side, a clamping groove 2 is fixedly arranged on the side wall of one side of the drill sleeve, and a drill bit is conveniently connected with a machine tool through the clamping groove 2;

the side walls of two sides of the drill rod 4 are fixedly provided with grooves 13, and the drill rod is arranged in a through groove 11 arranged in the drill bushing 1;

the upper end of the drill bit 5 is integrated with the lower end of the drill rod 4, and drill blades 8 are fixedly connected to two sides of the lower end of the drill bit.

In the embodiment of the utility model, the positioning groove 14 is formed in the center of the upper end of the drill rod 4, the positioning rod 12 matched with the positioning groove 14 is connected in the through groove 11 of the drill bushing 1, the positioning rod 12 is inserted in the positioning groove 14 in a sliding mode, the drill rod 4 can be moved, the extending length of the drill rod 4 can be adjusted, and the drilling depth can be controlled.

In the embodiment of the utility model, the drill sleeve 1, the drill rod 4 and the drill bit 5 are all made of alloy materials, and hard coatings are arranged on the surfaces of the drill sleeve, so that the hardness of the drill sleeve is improved, and the service life of the drill sleeve is prolonged.

Example two

the side walls of two sides of the drill rod 4 are fixedly provided with grooves 13 and are arranged in through grooves 11 arranged in the drill bushing 1;

In the embodiment of the utility model, the two sides of the drill bushing 1 are provided with the fastening bolts 3, and the fastening ends of the fastening bolts 3 extend into the through grooves 11 and are abutted against the grooves 13 arranged on the two sides of the drill rod 4, so that the moving position of the drill rod 4 can be limited, and the adjustment is convenient.

In the embodiment of the utility model, the center of the lower end of the drill bit 5 is fixedly provided with the centering 10, and the centering 10 is made of tungsten steel material, so that the wear resistance of the drill bit is improved, and the drill bit is conveniently and quickly positioned with a workpiece.

In the embodiment of the utility model, a chip groove 9 is formed in one side, located on the centering 10, of the drill 5, and a chip discharge groove 6 is formed in the upper side of the chip groove 9 in a penetrating manner, so that waste chips generated by milling can be conveniently cleaned, and the waste chips are prevented from being accumulated on the surface of a workpiece to damage a drill edge 8 and the workpiece.

In the embodiment of the utility model, the drill bit 5 is further provided with a plurality of heat dissipation holes 7, so that the drill bit 5 is conveniently dissipated, and the drill bit 5 is prevented from being damaged due to high temperature.

The working principle is as follows: when the coating alloy drill bit capable of controlling the drilling depth is used, the alloy drill bit is connected with a machine tool through a clamping groove 2, then milling is carried out, a rated centering 10 is arranged at the lower end of the drill bit 5 and is rapidly positioned with the milling position of a workpiece, the milling efficiency is improved, when the drilling depth needs to be adjusted, fastening bolts 3 on two sides are unscrewed, then a drill rod 4 is moved, the drill rod 4 slides on a positioning rod 12, the extending length of the drill rod 4 from a drill sleeve 1 is changed, then the drill rod 4 is fixed through the fastening bolts, the length of the drill rod 4 is adjusted, the drilling depth can be adjusted, waste chips generated during milling can be cleaned through a chip removal groove 6, heat generated during milling can be dissipated through a heat dissipation hole 7, the drill bit 5 is prevented from being damaged due to high temperature, and the drill sleeve 1, The drill rod 4 and the drill bit 5 are both made of alloy materials, and hard coatings are arranged on the surfaces of the drill rod and the drill bit, so that the hardness of the drill rod and the drill bit is convenient to improve, and the service life of the drill rod and the drill bit is prolonged.

It will be evident to those skilled in the art that the utility model 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 essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 coated alloy drill bit capable of controlling the depth of a drilled hole is characterized by comprising

The drill sleeve (1) is fixedly provided with a through groove (11) in the lower side, a clamping groove (2) is fixedly arranged on the side wall of one side of the drill sleeve, and the drill bit is conveniently connected with a machine tool by arranging the clamping groove (2);

the drill rod (4) is fixedly provided with grooves (13) on the side walls of two sides and is arranged in a through groove (11) arranged in the drill bushing (1);

the upper end of the drill bit (5) is integrated with the lower end of the drill rod (4), and drill blades (8) are fixedly connected to two sides of the lower end of the drill bit.

2. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: the upper end central point of drilling rod (4) puts inside constant head tank (14) of having seted up, and drill bushing (1) lead to groove (11) internal connection have with constant head tank (14) matched with locating lever (12), locating lever (12) slide and peg graft in constant head tank (14).

3. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: and fastening bolts (3) are installed on two sides of the drill bushing (1), and fastening ends of the fastening bolts (3) extend into the through grooves (11) and are abutted to grooves (13) formed in two sides of the drill rod (4).

4. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: the center of the lower end of the drill bit (5) is fixedly provided with a centering (10), and the centering (10) is made of tungsten steel materials.

5. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: one side of the drill bit (5) positioned on the centering (10) is provided with a chip groove (9), and the upper side of the chip groove (9) is provided with a chip groove (6) in a penetrating manner.

6. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: the drill bit (5) is also provided with a plurality of heat dissipation holes (7).

7. A coated alloy drill bit with controllable drilling depth as claimed in claim 1, wherein: the drill bushing (1), the drill rod (4) and the drill bit (5) are all made of alloy materials, and hard coatings are arranged on the surfaces of the drill bushing, the drill rod and the drill bit.