CN217913002U

CN217913002U - Drill bit capable of effectively preventing overheating damage

Info

Publication number: CN217913002U
Application number: CN202221287499.5U
Authority: CN
Inventors: 梅永刚; 朱锋伟; 刘亚运
Original assignee: Changzhou Frante Tools Co ltd
Current assignee: Changzhou Frante Tools Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-29
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a can effectively prevent drill bit of overheated damage, including boring body, drilling rod and drill seat. The utility model has the advantages that: the drill body is double-edged cone head structure, the drill body is made of hard alloy materials, the strength of the drill body is improved, the service life of the drill body is prolonged, two heat dissipation holes are formed in the drill edge surface, the heat dissipation holes are distributed in a central symmetry manner, the heat dissipation of the drill body can be accelerated, the drill bit overheating damage caused during high-speed rotary drilling is avoided, two chip grooves are formed in the surface of the drill body and are in an alternate spiral shape, drilling cuttings can be cleaned conveniently and timely, a drill rod and a rod sleeve are connected in a rotatable mode through a threaded rod in a detachable threaded mode, the threaded direction of the threaded rod is opposite to the rotating direction of the drill bit during working, connection and fastening are achieved, the drill bit is convenient to detach, replace and maintain in a later period, two communicated positioning slotted holes are symmetrically formed in the surface of the mounting seat, the mounting seat is convenient to clamp on a drilling machine stably, and looseness cannot be generated during long-time use.

Description

Drill bit capable of effectively preventing overheating damage

Technical Field

The utility model relates to a drill bit specifically is a drill bit that can effectively prevent overheated damage, belongs to machining cutter technical field.

Background

The drill bit is a tool for drilling through holes or blind holes in solid materials and reaming the existing holes, and the commonly used drill bits mainly comprise twist drills, flat drills, center drills, deep hole drills and trepanning drills.

The existing drill bit is simple in structure:

1) The traditional drill bit is low in hardness and poor in wear resistance, the drill bit is prone to being seriously worn and cannot be used continuously after being used for a long time, and the heat dissipation performance of the drill bit is poor, so that heat generated during high-speed rotary drilling cannot be quickly dissipated, the drill bit is further damaged due to overheating, and the use cost is greatly increased;

2) The used drill rod and the drill base are generally arranged to form an integrated structure, and although the connection is stable, the drill bit cannot be replaced or maintained independently after the drill bit is used, so that more limitations exist.

SUMMERY OF THE UTILITY MODEL

The objective of the present invention is to provide a drill bit capable of effectively preventing the damage caused by overheating in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a drill bit capable of effectively preventing damage due to overheating comprises

The drill body is provided with two drill edges at the top end of the drill body in a conical head twist shape, the drill edges are distributed in a centrosymmetric manner, and drilling processing can be carried out on the surface of a workpiece through the drill edges; and

the drill rod which is in an integrated structure with the drill body is positioned at the rear end of the drill body, and the outer diameter of the drill rod is smaller than that of the drill body; and

the drill base is formed by a disc-shaped chip blocking plate and a disc-shaped chip blocking plate welded to the center of one side face of the chip blocking plate and connected to the end of the drill rod, the rod sleeve is arranged at the tail end of the drill rod and is arranged on the drill base, the center of the other side face of the chip blocking plate is fixedly clamped on the drill machine, and meanwhile the outer diameter of the chip blocking plate is larger than that of the rod sleeve and that of the mounting base.

As a further aspect of the present invention: the drill body is of a double-blade conical head structure and is made of hard alloy materials.

As the utility model discloses further scheme again: two heat dissipation holes are formed in the drill cutting edge face, and the heat dissipation holes are distributed in a centrosymmetric mode.

As the utility model discloses further scheme again: bore the body surface and be provided with two chip grooves, and the chip groove is alternate heliciform.

As a further aspect of the present invention: the drilling rod tail end is equipped with the threaded rod, drilling rod and rod cover are detachable screw thread through the threaded rod and rotate the connection, and the screw direction of threaded rod is opposite with the direction of rotation of drill bit during operation.

As a further aspect of the present invention: the mounting structure is characterized in that a mounting hole is formed in the center of the outer end face of the mounting seat, and two communicated positioning slot holes are symmetrically formed in the surface of the mounting seat.

The utility model has the advantages that:

1) The drill body is of a double-edge conical head structure, the drill body is made of hard alloy materials, the strength of the drill body is improved, the service life of the drill body is prolonged, two heat dissipation holes are formed in the drill edge surface, the heat dissipation holes are distributed in a central symmetry manner, the heat dissipation of the drill body can be accelerated, the drill bit is prevented from being damaged due to overheating during high-speed rotary drilling, two chip grooves are formed in the surface of the drill body, the chip grooves are in an alternate spiral shape, drilling cuttings can be cleaned conveniently in time, and waste materials are prevented from being accumulated in the holes to influence the processing progress;

2) Drilling rod and rod cover are detachable screw thread through the threaded rod and rotate the connection, and the screw direction of threaded rod is opposite with the direction of rotation of drill bit during operation, connects the fastening, also makes things convenient for the later stage to tear open the drill bit simultaneously and trade and maintain, and two location slotted holes that lead to are seted up to mount pad surface symmetry, are convenient for with the firm clamping of mount pad on the drilling machine, and long-time the use can not produce not hard up.

Drawings

FIG. 1 is a schematic view of the structure of the drill of the present invention;

FIG. 2 is a drilling end view of the drill bit of the present invention;

fig. 3 is a schematic view of the connection structure of the drill rod and the drill seat of the present invention.

In the figure: 1. the drill comprises a drill body, 2, a drill edge, 3, heat dissipation holes, 4, chip removal grooves, 5, a drill rod, 6, a threaded rod, 7, a rod sleeve, 8, a chip blocking plate, 9, a mounting seat, 10, mounting holes, 11 and a positioning groove hole.

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 efforts all belong to the protection scope of the present invention.

Example one

Referring to FIGS. 1 to 3, a drill bit capable of effectively preventing damage due to overheating includes

The drilling tool comprises a drilling body 1, wherein two drilling edges 2 are arranged at the top end of the drilling body 1 in a conical head twist shape, the drilling edges 2 are distributed in a centrosymmetric manner, and drilling machining can be carried out on the surface of a workpiece through the drilling edges 2; and

the drill rod 5 is integrally formed with the drill body 1, is positioned at the rear end of the drill body 1, and has an outer diameter smaller than that of the drill body 1; and

drill holder, it is by discoid fender bits board 8, welding keep off 8 side centers of bits board and connect 5 terminal rod cover 7 of drilling rod and setting are in keep off 8 another side centers of bits board and fixed clamping mount pad 9 on the drilling machine and constitute, simultaneously keep off 8 external diameters of bits board and all be greater than rod cover 7 with 9 external diameters of mount pad.

The embodiment of the utility model provides an in, bore body 1 is twolip conical head structure, and bores body 1 and adopts carbide material to make, improves and bores 1 intensity of body, increases its life-span.

The embodiment of the utility model provides an in, two louvres 3 have been seted up to 2 faces of drill blade, and louvre 3 is central symmetric distribution, can accelerate the heat dissipation of the brill body, the overheated damage of drill bit that leads to when avoiding high-speed rotatory drilling.

The embodiment of the utility model provides an in, bore 1 surface of body and be provided with two chip grooves 4, and chip groove 4 is alternate heliciform, is convenient for in time clear up the drill chip, avoids the waste material to pile up and influences the processing progress downthehole.

Example two

The embodiment of the utility model provides an in, 5 tail ends of drilling rod are equipped with threaded rod 6, drilling rod 5 and rod cover 7 are detachable screw thread through threaded rod 6 and rotate the connection, and the screw direction of threaded rod 6 is opposite with the direction of rotation of drill bit during operation, connect the fastening, also make things convenient for the later stage to tear open the drill bit simultaneously and trade and maintain.

The embodiment of the utility model provides an in, the outer terminal surface center of mount pad 9 is provided with mounting hole 10, two location slotted holes 11 that lead to are seted up to mount pad 9 surface symmetry, are convenient for with the firm clamping of mount pad 9 on the drilling machine, and long-time the use can not produce not hard up.

The working principle is as follows: when the drill bit capable of effectively preventing overheating damage is used, firstly, a mounting seat 9 is stably clamped on a drill through a mounting hole 10 on the outer end face of the mounting seat and a positioning slotted hole 11 symmetrically formed in the surface of the mounting seat, then a drill rod 5 is connected with a rod sleeve 7 through a threaded rod 6 at the tail end of the drill rod in a threaded mode, the drill bit is fixed, finally, the drill machine is opened to drive a drill body 1 to rotate, the rotating direction of the drill bit during working is opposite to the thread direction of the threaded rod 6, drilling can be conducted on the surface of a workpiece through a drill blade 2 at the top end of the drill body 1, during the process, waste materials drilled in a machining hole can be discharged through a chip discharge groove 4, the waste materials are prevented from being accumulated to affect the machining progress, the heat dissipation of the drill body can be accelerated through two heat dissipation holes 3 symmetrically formed in the surfaces of the drill blade 2, the drill bit is prevented from being damaged due to overheating during high-speed rotation drilling, meanwhile, the used drill rod 5 and the rod sleeve 7 are assembled through threads, the drill bit are not only connected and fastened, but also facilitate later-stage replacement and maintenance of the drill bit, and are more convenient and time-saving in 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A drill bit capable of effectively preventing overheating damage is characterized in that: comprises that

The drill bit comprises a drill body (1), wherein two drill edges (2) are arranged at the top end of the drill body (1) in a conical-head twist shape, the drill edges (2) are distributed in a centrosymmetric manner, and the drill bit can drill and process the surface of a workpiece through the drill edges (2); and

the drill rod (5) and the drill body (1) are of an integrated structure, the drill rod (5) is positioned at the rear end of the drill body (1), and the outer diameter of the drill rod is smaller than that of the drill body (1); and

drill holder, it is by discoid fender bits board (8), welding keep off bits board (8) side center and connect and be in the terminal rod cover (7) of drilling rod (5) are in with the setting keep off bits board (8) another side center and fixed clamping mount pad (9) on the drilling machine constitute, simultaneously keep off bits board (8) external diameter and all be greater than rod cover (7) with mount pad (9) external diameter.

2. A drill bit effective for preventing damage from overheating according to claim 1, wherein: the drill body (1) is of a double-edge conical head structure, and the drill body (1) is made of hard alloy materials.

3. A drill bit effective for preventing damage from overheating according to claim 1, wherein: two heat dissipation holes (3) are formed in the surface of the drill edge (2), and the heat dissipation holes (3) are distributed in a centrosymmetric mode.

4. A drill bit effective for preventing damage from overheating according to claim 1, wherein: bore body (1) surface and be provided with two chip grooves (4), and chip groove (4) are alternate heliciform.

5. A drill bit effective for preventing damage from overheating according to claim 1, wherein: drilling rod (5) tail end is equipped with threaded rod (6), drilling rod (5) and rod cover (7) are detachable screw thread through threaded rod (6) and rotate the connection, and the screw direction of threaded rod (6) is opposite with the direction of rotation of drill bit during operation.

6. A drill bit effective for preventing damage from overheating according to claim 1, wherein: the mounting structure is characterized in that a mounting hole (10) is formed in the center of the outer end face of the mounting seat (9), and two communicated positioning slotted holes (11) are symmetrically formed in the surface of the mounting seat (9).