CN215941533U

CN215941533U - Boring cutter with high use strength for precision hole machining

Info

Publication number: CN215941533U
Application number: CN202122016691.2U
Authority: CN
Inventors: 洪伟; 王斐民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-04
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a high-use-strength boring cutter for precision hole machining, which comprises a boring cutter disc and a boring cutter body, wherein a notch is formed in the bottom of the boring cutter disc, a threaded groove is formed in the left side of the inner cavity of the notch, the boring cutter body is positioned in the inner cavity of the notch, a groove is formed in the right side of the boring cutter body, a through hole is formed in the left side of the inner cavity of the groove and extends to the left side of the boring cutter body, the boring cutter body comprises a wear-resistant layer, a first high-strength layer, a second high-strength layer and a base material layer, the wear-resistant layer is positioned outside the first high-strength layer, the first high-strength layer is positioned outside the second high-strength layer, and the second high-strength layer is positioned outside the base material layer. According to the utility model, through the mutual matching of the wear-resistant layer, the first high-strength layer, the second high-strength layer, the through hole, the groove, the bolt and the thread groove, the problems that the existing boring cutter for precision hole machining is low in use strength and easy to break and damage in a long-time use process, and the service life is short are solved.

Description

Boring cutter with high use strength for precision hole machining

Technical Field

The utility model relates to the technical field of boring cutters, in particular to a boring cutter with high use strength for precision hole machining.

Background

The boring cutter is one of boring cutters, generally a round handle, and a square cutter rod is used for a larger workpiece, and the most common occasions are inner hole machining, hole expanding, profiling and the like. Tools with one or two cutting parts, specially adapted for roughing, semi-finishing or finishing existing holes. The boring cutter can be used on a boring machine, a lathe or a milling machine, but the existing boring cutter for precision hole machining is low in use strength, is easy to break and damage in the long-time use process and is short in service life, and therefore the boring cutter with high use strength for precision hole machining is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a boring cutter with high use strength for precision hole machining, which has the advantage of high use strength and solves the problems that the existing boring cutter for precision hole machining is not high in use strength, is easy to break and break in a long-time use process and is short in service life.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a precision hole processing is with boring cutter that use intensity is high, includes boring cutter dish and boring cutter body, the notch has been seted up to the bottom of boring cutter dish, the thread groove has been seted up in the left side of notch inner chamber, the boring cutter body is located the inner chamber of notch, the right side of boring cutter body is seted up flutedly, the through-hole has been seted up in the left side of recess inner chamber, the through-hole extends to the left side of boring cutter body, the boring cutter body includes wearing layer, first high strength layer, second high strength layer and substrate layer, the wearing layer is located the outside on first high strength layer, first high strength layer is located the outside on second high strength layer, second high strength layer is located the outside of substrate layer.

Preferably, the wear-resistant layer is made of high manganese steel, and the first high-strength layer is made of iron-aluminum alloy.

Preferably, the second high-strength layer is low-carbon ferromanganese, and the substrate layer is low-carbon steel.

Preferably, the first high-strength layer and the second high-strength layer have the same thickness, the substrate layer has a thickness of two thirds of the thickness of the first high-strength layer, and the thickness of the first high-strength layer is one half of the thickness of the wear-resistant layer.

Preferably, a bolt is placed in an inner cavity of the groove, penetrates through the inner cavity of the through hole and is in threaded connection with the inner cavity of the thread groove.

Preferably, the top of the boring cutter head is fixedly connected with a connecting seat, and the connecting seat is fixedly connected with a connecting rod through a fastening screw.

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

the boring cutter body can be fixed in the notch through the through hole, the bolt and the thread groove, so that the boring cutter body is convenient to mount and dismount by people, and by utilizing the groove, the bolt can enter the inner part of the boring cutter body, the bolt is prevented from protruding outside to influence the use of the boring cutter body by people, the wear-resistant layer is utilized, can lead the boring cutter body to have good wear resistance, avoid the abrasion of the boring cutter body in the long-time use process, the service life of the boring cutter body can be prolonged, the strength of the boring cutter body can be effectively improved by utilizing the first high-strength layer and the second high-strength layer, the boring cutter body is prevented from being broken when being used for a long time or being collided by an external object, the boring cutter body has good use strength, and the problems that the existing boring cutter for precision hole machining is low in use strength, easy to break and damage in a long-time use process and short in service life are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic structural diagram of the boring tool body according to the present invention.

In the figure: 1. a boring cutter head; 2. a connecting seat; 3. a connecting rod; 4. a recess; 5. a boring cutter body; 501. a wear layer; 502. a first high-strength layer; 503. a second high-strength layer; 504. a substrate layer; 6. a through hole; 7. a groove; 8. a bolt; 9. a thread 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The parts of the boring cutter head 1, the connecting seat 2, the connecting rod 3, the notch 4, the boring cutter body 5, the wear-resistant layer 501, the first high-strength layer 502, the second high-strength layer 503, the base material layer 504, the through hole 6, the groove 7, the bolt 8 and the thread groove 9 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the parts are known by the person skilled in the art through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a high-strength boring cutter for precision hole machining comprises a boring cutter disc 1 and a boring cutter body 5, wherein a notch 4 is formed at the bottom of the boring cutter disc 1, a thread groove 9 is formed on the left side of the inner cavity of the notch 4, the boring cutter body 5 is positioned in the inner cavity of the notch 4, a groove 7 is formed on the right side of the boring cutter body 5, a through hole 6 is formed on the left side of the inner cavity of the groove 7, the through hole 6 extends to the left side of the boring cutter body 5, the boring cutter body 5 comprises a wear-resistant layer 501, a first high-strength layer 502, a second high-strength layer 503 and a base material layer 504, the wear-resistant layer 501 is positioned outside the first high-strength layer 502, the first high-strength layer 502 is positioned outside the second high-strength layer 503, the second high-strength layer 503 is positioned outside the base material layer 504, the wear-resistant layer 501 is made of high manganese steel, the first high-strength layer 502 is made of iron-aluminum alloy, the second high-strength layer 503 is made of low-carbon manganese iron, the base material layer 504 is made of low-carbon steel, the thickness of the first high-strength layer 502 is equal to that of the second high-strength layer 503, the thickness of the base material layer 504 is two thirds of that of the first high-strength layer 502, the thickness of the first high-strength layer 502 is one half of that of the wear-resistant layer 501, the bolt 8 is placed in the inner cavity of the groove 7, the bolt 8 penetrates through the inner cavity of the through hole 6 and is in threaded connection with the inner cavity of the threaded groove 9, the top of the boring cutter head 1 is fixedly connected with the connecting seat 2, the connecting seat 2 is fixedly connected with the connecting rod 3 through a fastening screw, the boring cutter body 5 can be fixed in the notch 4 through the through hole 6, the bolt 8 and the threaded groove 9, so that the boring cutter body 5 can be conveniently mounted and dismounted by people, the groove 7 can enable the bolt 8 to enter the inside of the boring cutter body 5, the problem that the bolt 8 protrudes outside to influence people to use the boring cutter body 5 is avoided, and the wear-resistant layer 501 can enable the boring cutter body 5 to have good wear-resistant performance, the boring cutter body 5 is prevented from being worn in the long-time use process, the service life of the boring cutter body 5 can be prolonged, the strength of the boring cutter body 5 can be effectively improved by utilizing the first high-strength layer 502 and the second high-strength layer 503, the boring cutter body 5 is prevented from being broken in the long-time use process or when being collided by an external object, the boring cutter body 5 is enabled to have good use strength, the problem that the existing boring cutter for precision hole machining is low in use strength, easy to break and damage in the long-time use process and short in service life is solved.

When in use, the boring cutter body 5 can be fixed in the notch 4 through the through hole 6, the bolt 8 and the thread groove 9, so that the boring cutter body 5 can be conveniently installed and disassembled by people, the bolt 8 can enter the inside of the boring cutter body 5 by utilizing the groove 7, the phenomenon that the bolt 8 protrudes outside to influence the use of the boring cutter body 5 by people is avoided, the boring cutter body 5 can have good wear resistance by utilizing the wear-resistant layer 501, the boring cutter body 5 is prevented from being worn in the long-time use process, the service life of the boring cutter body 5 can be prolonged, the strength of the boring cutter body 5 can be effectively improved by utilizing the first high-strength layer 502 and the second high-strength layer 503, the boring cutter body 5 is prevented from being broken in the long-time use process or when being collided by external objects, the boring cutter body 5 has good use strength, and the problem that the use strength of the existing boring cutter for processing precise holes is not high is solved, the product is easy to break and break in the long-time use process, resulting in short service life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision hole processing is with boring cutter that use intensity is high, includes boring cutter dish (1) and boring cutter body (5), its characterized in that: notch (4) have been seted up to the bottom of boring cutter dish (1), thread groove (9) have been seted up in the left side of notch (4) inner chamber, boring cutter body (5) are located the inner chamber of notch (4), the right side of boring cutter body (5) is seted up fluted (7), through-hole (6) have been seted up in the left side of recess (7) inner chamber, through-hole (6) extend to the left side of boring cutter body (5), boring cutter body (5) are including wearing layer (501), first high strength layer (502), second high strength layer (503) and substrate layer (504), wearing layer (501) are located the outside of first high strength layer (502), first high strength layer (502) are located the outside of second high strength layer (503), second high strength layer (503) are located the outside of substrate layer (504).

2. The boring tool with high working strength for precision hole machining according to claim 1, characterized in that: the wear-resistant layer (501) is made of high manganese steel, and the first high-strength layer (502) is made of iron-aluminum alloy.

3. The boring tool with high working strength for precision hole machining according to claim 1, characterized in that: the second high-strength layer (503) is low-carbon ferromanganese, and the base material layer (504) is low-carbon steel.

4. The boring tool with high working strength for precision hole machining according to claim 1, characterized in that: the first high-strength layer (502) and the second high-strength layer (503) are equal in thickness, the base material layer (504) is two thirds of the first high-strength layer (502), and the first high-strength layer (502) is half of the wear-resistant layer (501).

5. The boring tool with high working strength for precision hole machining according to claim 1, characterized in that: and a bolt (8) is placed in the inner cavity of the groove (7), and the bolt (8) penetrates through the inner cavity of the through hole (6) and is in threaded connection with the inner cavity of the thread groove (9).

6. The boring tool with high working strength for precision hole machining according to claim 1, characterized in that: the top of the boring cutter head (1) is fixedly connected with a connecting seat (2), and the connecting seat (2) is fixedly connected with a connecting rod (3) through a fastening screw.