CN216912222U

CN216912222U - Tube plate hole processing drill bit

Info

Publication number: CN216912222U
Application number: CN202220134450.XU
Authority: CN
Inventors: 汪小卫; 蔡明月
Original assignee: Xiangyang Alikate Machinery Manufacturing Co ltd
Current assignee: Xiangyang Alikate Machinery Manufacturing Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-08
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a tube plate hole machining drill bit which comprises a tool handle, a tool body and a first cutting edge, wherein a second cutting edge, a first chip removal groove, a second chip removal groove, a first drill tip chamfer tool face and a second drill tip chamfer tool face are arranged on the surface of the first cutting edge. According to the drill bit for processing the hole of the tube plate, the scale marks on the surface of the drill bit can be checked to measure the drilled depth in the drilling process of a user through the arranged cutter body structure, so that the drilling depth can meet the construction requirement, the operation error is reduced, the actual drilling operation is convenient, through the arranged first cutting edge structure, one end of the drill bit part consisting of the drill tip chamfer cutter face is drilled through the tip structure, the chip removal and impurity removal can be rapidly carried out by matching with a chip removal groove, and the surface heat is easier to transfer.

Description

Tube plate hole processing drill bit

Technical Field

The utility model relates to the technical field of tube plate hole machining structures, in particular to a tube plate hole machining drill bit.

Background

The drilling processing cutter is one of the surfaces of an inner hole and the main surfaces of a part, the inner holes with different structures have different precision and surface quality requirements according to different functions of the part on a mechanical product, the inner holes can be divided into matched holes and non-matched holes according to different relative connection relations of the holes and other parts, the inner holes can be divided into through holes, blind holes, stepped holes, conical holes and the like according to different geometrical characteristics, and the inner holes can be divided into round holes, non-round holes and the like according to different geometrical shapes; the existing drill bit for machining the hole of the pipe plate has certain defects when in use, the existing structure can only judge the drilling condition and the depth error according to experience when the requirement on the depth of the hole is high in the drilling process, and the chip removal and heat dissipation effect at the cutting head of the drill bit is poor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a tube plate hole processing drill bit which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a tube plate hole processing drill bit, includes handle of a knife, blade and first cutting edge, its characterized in that: the first cutting edge surface is provided with a second cutting edge, a first chip groove, a second chip groove, a first drill tip chamfer cutter face and a second drill tip chamfer cutter face.

Preferably, the alloy knife edge is equidistantly arranged on the surface of the knife body, grooves are symmetrically arranged on the surface of the knife body, and scale marks are arranged on the surfaces of the grooves.

Preferably, the two ends of the knife body are provided with embedded rods, an embedded groove is formed in one end of the knife handle and one end of the first cutting edge, and the knife body, the knife handle and the first cutting edge are fixed in a welding mode.

Preferably, the first cutting edge and the second cutting edge are three centimeters in length.

Preferably, the first drill tip chamfer tool face and the second drill tip chamfer tool face are distributed in a centrosymmetric manner with the center of the tool body end face.

Preferably, a diamond bit is arranged at the joint of the first drill tip chamfer cutter face and the second drill tip chamfer cutter face.

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

in the utility model, through the arranged knife body structure, the alloy knife edges arranged at equal intervals reduce the consumption of alloy materials in the process of drilling by a user, can effectively cut the pipe plate material, so that the interior of the deep hole processing part of the pipe plate material is kept smooth, the groove can also play the role of a chip groove, so that the scraps generated by polishing are discharged, the deep hole processing length can be observed through the scale marks during the processing process of workers, thereby reducing the error of the hole depth, ensuring the processing accuracy, checking the scale marks on the surface of the hole for measuring the drilled depth, ensuring that the drilling depth can meet the construction requirement, reducing the operation error, facilitating the actual drilling operation, and having the first cutting edge structure, one end of the drill bit part is composed of a drill tip chamfer cutter face, drilling is carried out through a tip structure, chip removal and impurity removal can be rapidly carried out through matching with a chip removal groove, and surface heat is transferred more easily.

Drawings

FIG. 1 is a schematic view of the overall structure of a tube plate hole processing drill according to the present invention;

FIG. 2 is a front view of the overall structure of a tube sheet hole processing drill according to the present invention;

fig. 3 is a schematic structural view of a first cutting edge assembly of a tube plate hole processing drill according to the present invention.

In the figure: 1. a knife handle; 2. a blade body; 201. an alloy knife edge; 202. a groove; 203. scale lines; 3. a first cutting edge; 301. a second cutting edge; 302. a first chip discharge groove; 303. a second chip groove; 304. a first drill tip chamfer tool face; 305. and a second drill tip chamfer tool face.

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.

As shown in fig. 1-3, a tube plate hole processing drill comprises a shank 1, a body 2 and a first cutting edge 3, wherein a second cutting edge 301, a first chip groove 302, a second chip groove 303, a first drill tip chamfer tool face 304 and a second drill tip chamfer tool face 305 are arranged on the surface of the first cutting edge 3;

alloy knife edges 201 are equidistantly arranged on the surface of the knife body 2, grooves 202 are symmetrically arranged on the surface of the knife body 2, scale marks 203 are arranged on the surface of each groove 202, the alloy knife edges 201 arranged at equal intervals can effectively cut a tube plate material on the basis of reducing alloy material consumption, so that the interior of a deep hole processing part of the tube plate material is kept smooth, the grooves 202 can also play the role of a chip removal groove, so that chips generated by polishing processing are discharged, and workers can observe the deep hole processing length through the scale marks 203 in the processing process, so that the error of the hole depth is reduced, and the processing accuracy is ensured;

the embedded rods are arranged at the two ends of the knife body 2, the embedded grooves are formed in the knife handle 1 and one end of the first cutting edge 3, the knife body 2, the knife handle 1 and the first cutting edge 3 are fixed in a welding mode, and the centers of the knife body 2, the knife handle 1 and the first cutting edge 3 can be aligned by inserting the embedded rods into the embedded grooves, so that the connection of the cutting edge and the chip discharge groove is facilitated, and the welding process is more convenient;

the length of the first cutting edge 3 and the second cutting edge 301 is three centimeters, and when the first cutting edge 3 is completely immersed in the hole, the deep hole machining length can be confirmed to reach three centimeters;

the first drill tip chamfering tool face 304 and the second drill tip chamfering tool face 305 are distributed in a centrosymmetric manner by taking the center of the end face of the tool body 2 as a center, and the first drill tip chamfering tool face 304 and the second drill tip chamfering tool face 305 which are distributed symmetrically can ensure that the stress of a drill bit drilling machine is uniform in the drilling process, and the drill bit cannot shake due to deviation from the center in the rotation process of the drill bit;

the junction of the first drill tip chamfer face 304 and the second drill tip chamfer face 305 is provided with a diamond bit, which can accelerate the drilling speed, drill a hole on the surface of the tube plate more quickly, and reduce the abrasion influence of the drilling operation on the bit itself.

The working principle is as follows: the alloy knife edges 201 arranged at equal intervals can effectively cut the tube sheet material on the basis of reducing the consumption of the alloy material, so that the interior of a deep hole processing part of the tube sheet material is kept smooth, the grooves 202 can also play the role of a chip groove, so that chips generated by polishing processing can be discharged, workers can observe the deep hole processing length through the scale marks 203 in the processing process, thereby reducing the error of the hole depth and ensuring the processing accuracy, the center of the knife body 2, the knife handle 1 and the first cutting edge 3 can be aligned by utilizing the insertion of the embedded rods and the embedded grooves, the connection of the cutting edge and the chip groove is convenient, the welding process is more convenient, when the first cutting edge 3 is completely immersed in the hole, the deep hole processing length can be confirmed to reach three centimeters, and the first drill tip chamfering knife face 304 and the second drill tip chamfering knife face 305 which are symmetrically distributed can ensure that the stress of a drill bit drilling machine is uniform in the drilling process, the drilling tool has the advantages that shaking caused by deviation of the drill bit from the center in the rotating process is avoided, the diamond drill bit can accelerate drilling speed, holes can be drilled in the surface of the tube plate more quickly, and the abrasion influence of drilling operation on the drill bit can be reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tube plate hole processing drill bit, includes handle of a knife (1), blade (2) and first cutting edge (3), its characterized in that: the surface of the first cutting edge (3) is provided with a second cutting edge (301), a first chip groove (302), a second chip groove (303), a first drill tip chamfer cutter face (304) and a second drill tip chamfer cutter face (305).

2. The tube sheet hole processing drill bit of claim 1, characterized in that: alloy edge of a knife (201) has been seted up to the surface equidistance of blade (2), the surface symmetry of blade (2) is seted up flutedly (202), the surface of recess (202) is provided with scale mark (203).

3. The tube sheet hole processing drill bit of claim 1, characterized in that: the utility model discloses a scalpel handle, including blade (2), handle (1) and first cutting edge (3), the both ends of blade (2) are provided with the inserted bar, the caulking groove has been seted up to the one end of handle of a knife (1) and first cutting edge (3), blade (2), handle of a knife (1) and first cutting edge (3) are fixed through the welding mode.

4. The tube sheet hole processing drill bit of claim 1, characterized in that: the first cutting edge (3) and the second cutting edge (301) are three centimeters in length.

5. The tube sheet hole processing drill bit of claim 1, characterized in that: the first drill tip chamfer tool face (304) and the second drill tip chamfer tool face (305) are distributed in a centrosymmetric mode with the center of the end face of the tool body (2).

6. The tube sheet hole processing drill bit of claim 1, characterized in that: and a diamond drill bit is arranged at the joint of the first drill tip chamfer cutter surface (304) and the second drill tip chamfer cutter surface (305).