CN219292830U

CN219292830U - Drill bit frock of convenient centre gripping

Info

Publication number: CN219292830U
Application number: CN202223565728.8U
Authority: CN
Inventors: 蒋勋
Original assignee: Changzhou Xinxi Huaya Tools Co ltd
Current assignee: Changzhou Xinxi Huaya Tools Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-04
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a drill bit tool convenient to clamp, which comprises a drill base, wherein the drill base consists of a connecting base connected with a drill bit and a clamping base fixed on the drill, and the clamping base is fixed on the rear side surface of the connecting base; the drill rod is positioned at the tail end of the drill bit and is connected with the connecting seat of the drill seat; the drill body capable of drilling the workpiece is arranged at the front end of the drill bit, and forms a main body structure of the drill bit tool with the drill rod. The utility model is convenient for firmly assembling the drill rod and the connecting seat, and simultaneously is convenient for disassembling and maintaining the drill bit in later period, the drill body is made of high-speed steel material, the strength and toughness of the drill bit are improved, and the service life of the drill bit is prolonged.

Description

Drill bit frock of convenient centre gripping

Technical Field

The utility model relates to a drill bit, in particular to a drill bit tool convenient to clamp, and belongs to the technical field of machining tools.

Background

The drill bit is a tool for drilling through holes or blind holes in solid materials and reaming existing holes.

Problems with existing drill bits include, but are not limited to:

1) The clamping seat of the tool apron is cylindrical, the surface of the clamping seat is smooth and has no clamping surface, when the clamping seat is installed, the tool apron cannot be stably clamped and fixed on a drilling machine, the tool is easy to take off during the use, and potential safety hazards exist;

2) The connecting seat and the drill rod are fixed together through welding, and the drill bit is not convenient to disassemble and maintain in the later period although the connection is very firm;

3) The drill body is made of common steel materials, and can only drill certain workpieces with lower hardness, so that the application range of the drill bit is limited to a certain extent;

4) The surface of the drill body is not provided with continuous chip grooves, and when the drill bit works, drilled chips cannot be discharged in time, so that the working efficiency is affected.

Disclosure of Invention

The utility model aims to solve the problems and provide a drill tool convenient to clamp.

The utility model realizes the above purpose through the following technical scheme: a drill bit tool convenient for clamping comprises

The drill seat consists of a connecting seat connected with a drill bit and a clamping seat fixed on the drill bit, and the clamping seat is welded and fixed on the rear side surface of the connecting seat;

the drill rod is positioned at the tail end of the drill bit and is connected with the connecting seat of the drill seat;

the drill body capable of drilling the workpiece is arranged at the front end of the drill bit, and forms a main body structure of the drill bit tool with the drill rod;

the four through holes are vertically distributed in the connecting seat, four threaded holes are formed in the surface of the tail end of the drill rod, and the connecting seat and the drill rod penetrate through the corresponding through holes and the threaded holes through fastening screws to be detachably connected.

Preferably, the clamping seat is of a regular triangular prism structure, a positioning hole is formed in the center of the outer side face of the clamping seat, and three clamping faces are arranged on the surface of the clamping seat.

Preferably, the outer diameter of the drill body is larger than that of the drill rod, the drill body and the drill rod are of an integrated structure, and the drill body is made of high-speed steel materials.

Preferably, a conical drill point is arranged at the center of the top end of the drill body, three front edges are arranged at the edge of the top end of the drill body, and the drill body is of a three-edge structure.

Preferably, the surface of the drill body is provided with polishing blades, chip grooves are formed between the polishing blades, and the polishing blades and the chip grooves are in a continuous spiral shape.

The beneficial effects of the utility model are as follows:

1) The clamping seat is of a regular triangular prism structure, a positioning hole is formed in the center of the outer side face of the clamping seat, three clamping faces are arranged on the surface of the clamping seat, and the clamping seat is convenient to position, clamp and fix, so that a drill bit can be fixed, the connecting seat and the drill rod penetrate through corresponding through holes and threaded holes through fastening screws to be detachably connected, the drill rod and the connecting seat are convenient to firmly assemble, and meanwhile the drill bit can be conveniently detached and maintained at the later stage;

2) The outer diameter of the drill body is larger than the outer diameter of the drill rod, the drill body and the drill rod are of an integrated structure, the drill body is made of high-speed steel materials, the strength and toughness of the drill bit are improved, the service life of the drill is prolonged, a conical drill point is arranged at the center of the top end of the drill body, three front edges are arranged at the edge of the top end of the drill body, the drill body is of a three-edge structure, a workpiece can be accurately and rapidly drilled, the working efficiency is improved, grinding edges are arranged on the surface of the drill body, chip grooves are formed between the grinding edges, the grinding edges and the chip grooves are of continuous spiral shapes, and chips can be rapidly discharged during drilling operation of the drill bit.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a rear end view of the tool holder of the present utility model;

FIG. 3 is a schematic view of the connection structure of the drill pipe and the connection base according to the present utility model;

fig. 4 is a top view of the drill body of the present utility model.

In the figure: 1. the tool comprises a connecting seat, 2, a through hole, 3, a clamping seat, 4, a clamping surface, 5, a positioning hole, 6, a drill rod, 7, a threaded hole, 8, a fastening screw, 9, a drill body, 10, a drill point, 11, a front blade, 12, a polishing blade, 13 and a chip groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 4, a drill tool with convenient clamping includes

The drill seat consists of a connecting seat 1 connected with a drill bit and a clamping seat 3 fixed on the drill bit, and the clamping seat 3 is welded and fixed on the rear side surface of the connecting seat 1; and

the drill rod 6 is positioned at the tail end of the drill bit and is connected with the connecting seat 1 of the drill seat; and

the drill body 9 is arranged at the front end of the drill bit, and the drill body 9 capable of drilling a workpiece and the drill rod 6 form a main body structure of the drill bit tool;

the connecting seat 1 is the perpendicular distribution and has four through-holes 2, four screw holes 7 have been seted up on the tail end surface of drilling rod 6, and connecting seat 1 and drilling rod 6 are detachable through fastening screw 8 through corresponding through-hole 2 and screw hole 7 and connect, are convenient for be in the same place drilling rod 6 and the firm equipment of connecting seat 1, also make things convenient for the later stage to dismantle and maintain the drill bit simultaneously.

Example two

This embodiment includes, in addition to all the technical features in the first embodiment, the following:

as shown in fig. 1 to 4: the clamping seat 3 is of a regular triangular prism structure, a positioning hole 5 is formed in the center of the outer side face of the clamping seat 3, and three clamping faces 4 are arranged on the surface of the clamping seat 3, so that the clamping seat 3 can be conveniently positioned, clamped and fixed, and a drill bit can be fixed.

The outer diameter of the drill body 9 is larger than that of the drill rod 6, the drill body 9 and the drill rod 6 are of an integrated structure, and the drill body 9 is made of high-speed steel materials, so that the strength and toughness of the drill bit are improved, and the service life of the drill bit is prolonged.

The center department is equipped with toper drill point 10 on the top of the boring body 9, boring body 9 top edge has three leading edge 11, and boring body 9 is three sword structures, can accurate quick to the work piece drilling, improves work efficiency.

The surface of the drill body 9 is provided with the polishing blades 12, chip grooves 13 are formed between the polishing blades 12, and the polishing blades 12 and the chip grooves 13 are in a continuous spiral shape, so that chips can be rapidly discharged during drilling operation of the drill bit.

The working process comprises the following steps: firstly, insert drilling rod 6 in the recess of connecting seat 1, and then pass corresponding through-hole 2 and screw hole 7 in proper order through four fastening screw 8, thereby can be in the same place drilling rod 6 and the firm equipment of connecting seat 1, then fix the blade holder on the drilling machine through locating hole 5 and the three clamping face 4 on surface of clamping seat 3 lateral surface center department, thereby fix the drill bit, at last with the drill point 10 of boring body 9 support on the work piece, open the drilling machine and drive the drill bit rotation, thereby can drill the work piece through leading edge 11, during the course, the clamping face 4 that sets up makes the drill bit centre gripping more firm on the drilling machine, and drilling rod 6 and connecting seat 1 are detachable connection through fastening screw 8, conveniently assemble or dismantle, quick discharge smear metal when continuous chip groove 13 that boring body 9 surface offered simultaneously can assist the drill bit drilling operation, improve work efficiency.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Drill bit frock of convenient centre gripping, its characterized in that: comprising

The drill seat consists of a connecting seat (1) connected with a drill bit and a clamping seat (3) fixed on the drill bit, and the clamping seat (3) is fixed on the rear side surface of the connecting seat (1);

the drill rod (6) is positioned at the tail end of the drill bit and is connected with the connecting seat (1) of the drill seat;

the drill body (9) is arranged at the front end of the drill bit, and the drill body (9) and the drill rod (6) form a main body structure of the drill bit tool;

four through holes (2) are vertically distributed in the connecting seat (1), four threaded holes (7) are formed in the surface of the tail end of the drill rod (6), and the connecting seat (1) and the drill rod (6) penetrate through the corresponding through holes (2) and the threaded holes (7) through fastening screws (8) to be detachably connected.

2. The drill bit tooling of claim 1, wherein: the clamping seat (3) is of a regular triangular prism structure, a locating hole (5) is formed in the center of the outer side face of the clamping seat (3), and three clamping faces (4) are arranged on the surface of the clamping seat (3).

3. The drill bit tooling of claim 1, wherein: the outer diameter of the drill body (9) is larger than that of the drill rod (6), the drill body (9) and the drill rod (6) are of an integrated structure, and the drill body (9) is made of high-speed steel materials.

4. The drill bit tooling of claim 1, wherein: the center of the top end of the drill body (9) is provided with a conical drill point (10), the edge of the top end of the drill body (9) is provided with three front blades (11), and the drill body (9) is of a three-blade structure.

5. The drill bit tooling of claim 1, wherein: the drill body (9) surface is provided with the edge of polishing (12), chip grooves (13) have been seted up between the edge of polishing (12), and edge of polishing (12) and chip grooves (13) are continuous heliciform.