CN215033883U

CN215033883U - High-performance positive and negative chamfering composite drill

Info

Publication number: CN215033883U
Application number: CN202120850427.6U
Authority: CN
Inventors: 杨依柱
Original assignee: Jinan Arnold Tool Co ltd
Current assignee: Jinan Arnold Tool Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-12-07
Anticipated expiration: 2031-04-24

Abstract

The utility model discloses a positive and negative chamfer of high performance composite drill, including tool bit section, necking down section, working segment, cutter arbor centre gripping section and dull polish layer, interconnect between the one end of working segment and the cutter arbor centre gripping section is equipped with the dull polish layer on the outer wall of cutter arbor centre gripping section, interconnect between the other end of working segment and the necking down section, the necking down section deviates from interconnect between the one end of working segment and the tool bit section, and the tool bit section is equipped with first chamfer with the hookup location department of necking down section, and the necking down section is equipped with the second chamfer with the hookup location department of working segment, be equipped with the cutter apex angle in the tool bit section. The utility model discloses, compact structure, it is convenient to use, reduces work piece process time, reduces intensity of labour, satisfies personnel's user demand.

Description

High-performance positive and negative chamfering composite drill

Technical Field

The utility model relates to a composite drill technical field specifically is a positive and negative chamfer composite drill of high performance.

Background

The composite cutter is a special cutter combining two or more similar or dissimilar hole machining cutters into a whole, can complete the process combination of multiple procedures such as drilling, reaming, boring and the like in one-step machining process, and has the forming machining characteristics of high efficiency, high precision and high reliability.

Along with the rapid development of the mechanical industry, the machining difficulty is more and more increased, the machining precision requirement is higher and higher, the composite cutter on an automatic line is required to meet the requirement of production rhythm, have reliability and long service life and meet the requirement of development, the traditional old composite cutter is required to be reformed and innovated, new technology and new material are required to be applied to improve the service performance of the composite machining cutter, the high-performance positive and negative chamfer composite drill has the irreplaceable effect on special machining parts, the workpiece clamping is reduced for the machining of common parts, the machining time is saved, and the production cost is reduced; the technology accumulation of foreign cutter manufacturers is rich in the design, materials and coatings of cutters, and the cutters with good performance can be provided.

In the process of turning holes on a lathe, raw materials are often required to be drilled and deburred, a traditional drill bit cannot be synchronously carried out, the workpiece machining time is long, and the use requirements of personnel cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound brill of positive and negative chamfer of high performance possesses compact structure, and it is convenient to use, reduces work piece process time, reduces intensity of labour, satisfies personnel's user demand's advantage, solves at the in-process in lathe car hole, often needs raw materials drilling, burring, and traditional drill bit can't go on in step, and work piece process time is longer, can not satisfy personnel's user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positive and negative chamfer composite drill of high performance, includes cutter head section, necking down section, working segment, cutter arbor clamping section and dull polish layer, interconnect between the one end of working segment and the cutter arbor clamping section, interconnect between the other end of working segment and the necking down section, the one end that the necking down section deviates from the working segment and interconnect between the cutter head section, be equipped with the cutter apex angle in the cutter head section.

Preferably, a frosting layer is arranged on the outer wall of the cutter bar clamping section.

Preferably, a first chamfer is arranged at the connecting position of the cutter head section and the necking section.

Preferably, a second chamfer is arranged at the connecting position of the neck section and the working section.

Preferably, the diameter of the tool bit section is larger than the diameter of the working section.

Preferably, the number of the sanding layers is four, and the four positions are distributed in an annular array relative to the outer wall of the cutter bar clamping section.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses positive and negative chamfer composite drill of high performance is in the use, accessible cutter arbor centre gripping section presss from both sides the dress with the device fixed, design through the dull polish layer, strengthen the connection frictional force between cutter arbor and the frock, the cutter apex angle of tool bit section carries out the rotary cutting to the work piece, optimize cutter apex angle, satisfy the cutting demand, along the entering direction of tool bit, customization through first chamfer and second chamfer angle, the exit burr or the chamfer in hole are got rid of to first chamfer, the import department burr or the chamfer in hole are got rid of to the second chamfer, and simultaneously, can be according to the degree of depth apolegamy cutter that has suitable length necking segment in hole, compact structure, convenient for use, reduce work piece process time, and labor intensity is reduced, and personnel's user demand is satisfied.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. the vertex angle of the cutter; 2. a cutter head section; 3. a first chamfer; 4. a necking section; 5. a second chamfer; 6. a working section; 7. a cutter bar clamping section; 8. and (5) sanding a layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a positive and negative chamfer of high performance composite drill, includes cutter head section 2, necking down section 4, working segment 6, cutter arbor clamping section 7 and dull polish layer 8, is equipped with dull polish layer 8 on the outer wall of cutter arbor clamping section 7, and dull polish layer 8 is four altogether, and four positions are the annular array distribution for the outer wall of cutter arbor clamping section 7, and accessible cutter arbor clamping section 7 is fixed with the device clamp dress, through the design of dull polish layer 8, strengthens the frictional force of being connected between cutter arbor and the frock.

Interconnect between the one end of working segment 6 and cutter arbor clamping section 7, interconnect between the other end of working segment 6 and necking down section 4, interconnect between 4 one end and the tool bit section 2 that necking down section 4 deviates from working segment 6, be equipped with cutter apex angle 1 on the tool bit section 2, the diameter of tool bit section 2 is greater than the diameter of working segment 6, the cutter apex angle 1 of tool bit section 2 carries out the rotary cutting to the work piece, optimize cutter apex angle 1 angle, satisfy the cutting demand.

The hookup location department of cutter head section 2 and necking down section 4 is equipped with first chamfer 3, necking down section 4 is equipped with second chamfer 5 with the hookup location department of working segment 6, along the entering direction of cutter head, customization through 5 angles of first chamfer 3 and second chamfer, the exit burr or the chamfer in hole are got rid of to first chamfer 3, the import department burr or the chamfer in hole are got rid of to second chamfer 5, and simultaneously, can be according to the degree of depth apolegamy in hole has the cutter of suitable length necking down section 4, moreover, the steam generator is compact in structure, and convenient for use, the work piece process time is reduced, and the labor intensity is reduced, and the use requirements of personnel are met.

The working principle is as follows: the utility model discloses positive and negative chamfer composite drill of high performance is in the use, accessible cutter arbor centre gripping section 7 presss from both sides the dress with the device fixed, design through dull polish layer 8, strengthen the frictional force of being connected between cutter arbor and the frock, cutter apex angle 1 of tool bit section 2 carries out the rotary cutting to the work piece, optimize cutter apex angle 1 angle, satisfy the cutting demand, along the entering direction of tool bit, customization through

first chamfer

3 and 5 angles of second chamfer, the exit burr or the chamfer in hole are got rid of to first chamfer 3, the import department burr or the chamfer in hole are got rid of to second chamfer 5, and simultaneously, can have the cutter of suitable length necking down section 4 according to the degree of depth apolegamy in hole.

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.

Claims

1. The utility model provides a positive reverse chamfer composite drill of high performance, includes cutter head section (2), necking down section (4), working segment (6), cutter arbor centre gripping section (7) and dull polish layer (8), its characterized in that: interconnect between the one end of working segment (6) and cutter arbor clamping section (7), interconnect between the other end of working segment (6) and necking down section (4), necking down section (4) deviates from interconnect between the one end of working segment (6) and cutter head section (2), be equipped with cutter apex angle (1) on cutter head section (2).

2. The high-performance positive and negative chamfer compound drill according to claim 1, wherein: and a frosting layer (8) is arranged on the outer wall of the cutter bar clamping section (7).

3. The high-performance positive and negative chamfer compound drill according to claim 1, wherein: and a first chamfer (3) is arranged at the connecting position of the cutter head section (2) and the necking section (4).

4. The high-performance positive and negative chamfer compound drill according to claim 1, wherein: and a second chamfer (5) is arranged at the connecting position of the neck section (4) and the working section (6).

5. The high-performance positive and negative chamfer compound drill according to claim 1, wherein: the diameter of the cutter head section (2) is larger than that of the working section (6).

6. The high-performance positive and negative chamfer compound drill according to claim 1, wherein: the four sanding layers (8) are distributed in an annular array relative to the outer wall of the cutter bar clamping section (7).