CN210147083U

CN210147083U - High-performance saw blade milling cutter

Info

Publication number: CN210147083U
Application number: CN201920674053.XU
Authority: CN
Inventors: 金建华
Original assignee: CHANGSHU JINLI CUTTING TOOLS Co Ltd
Current assignee: CHANGSHU JINLI CUTTING TOOLS Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-03-17
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a high performance saw bit milling cutter, including a saw bit body that is circular shape, be equipped with a plurality of milling teeth on the outer terminal surface of saw bit body circumference, its characterized in that, the milling tooth includes first milling tooth face and second milling tooth face, and the slope of second milling tooth face is greater than the slope of first milling tooth face, wherein, first milling tooth face tip and second milling tooth face tip are connected through the arc concave surface, the junction of first milling tooth face tip with the arc concave surface is as milling the tooth blade; the second milling tooth surface of the milling tooth is connected with the first milling tooth surface of the adjacent milling tooth by a semicircular arc groove surface extending towards the inner circumferential direction; the utility model discloses effectively avoid milling the tooth and take place to collapse and split, show to improve its life.

Description

High-performance saw blade milling cutter

Technical Field

The utility model belongs to cutter product manufacturing field, concretely relates to high performance saw bit milling cutter.

Background

The existing saw blade milling cutter can receive large rotating stress under the high-speed operating processing environment, most of the rotating stress can be concentrated around a round hole in the middle of the existing saw blade milling cutter, and hidden cracks or deformation easily occur at the central round hole of the saw blade milling cutter under the long-time high-speed operating working environment, so that the service life of the saw blade milling cutter is influenced.

In addition, in the working process of the saw blade milling cutter, the milling teeth of the saw blade milling cutter are generally in the shape of triangular teeth or circular arc teeth, are densely distributed, and are easy to crack, so that the service life of the saw blade milling cutter is short.

The applicant decided to seek technical solutions to improve the above technical problems based on years of research experience and accumulated theoretical knowledge in the field.

Disclosure of Invention

In view of this, the utility model aims at providing a high performance saw bit milling cutter effectively avoids milling the tooth and takes place to collapse and split, is showing and is improving its life.

The utility model adopts the technical scheme as follows:

a high-performance saw blade milling cutter comprises a circular saw blade body, wherein a plurality of milling teeth are arranged on the outer end face of the circumference of the saw blade body, each milling tooth comprises a first milling tooth face and a second milling tooth face, the slope of each second milling tooth face is larger than that of each first milling tooth face, the end part of each first milling tooth face is connected with the end part of each second milling tooth face through an arc-shaped concave face, and the joint of the end part of each first milling tooth face and the arc-shaped concave face serves as a milling tooth cutting edge; the second milling tooth surface of the milling tooth is connected with the first milling tooth surface of the adjacent milling tooth through a semicircular arc groove surface extending towards the inner circumferential direction.

Preferably, the upper and lower surfaces of the central part of the saw blade body are both provided with a circular boss with a central circular hole, and a plurality of reinforcing rib pieces which are distributed at intervals in the radial direction are arranged between the side wall of the circular boss and the saw blade body and are used for resisting the central concentrated rotating stress of the saw blade milling cutter; the upper surface and the lower surface of the circumferential panel of the saw blade body are respectively provided with a plurality of circumferential stress resisting grooves which are circumferentially distributed at intervals and used for resisting the high-speed rotational stress of the circumferential part of the saw blade milling cutter; the peripheral stress resisting groove is in a handle shape, and a notch of the peripheral stress resisting groove is matched with the circular boss oppositely.

Preferably, the number of the reinforcing rib sheets arranged on each circular boss is 3-8; the number of the peripheral stress resisting grooves is 3-8.

The utility model discloses a setting has the first tooth face and the second tooth face of milling of different slopes, realizes connecting between the two through the arc concave surface simultaneously, and this structure can make the junction of first tooth face tip of milling and arc concave surface act as the utility model discloses a mill the tooth blade, and the junction of second tooth face tip of milling and arc concave surface can not take place to rub and receive the effort at the during operation work piece, avoids milling the tooth and takes place the unnecessary loss, simultaneously the utility model provides a to mill the second tooth face of milling of tooth and rather than the first tooth face of milling of adjacent milling tooth and adopt the semicircle circular arc recess face that extends to interior week direction between the tooth face to connect, this semicircle circular arc recess face does benefit to the bits end that produces in the course of working in time and gets rid of, and then avoids the utility model discloses a milling tooth takes place to crack, is showing and is improved the utility model discloses a service life;

the utility model discloses further preferably through the round boss that has central round hole of surface setting about saw bit body central part, this round boss structure itself has the ability of resisting saw bit milling cutter center concentrated rotational stress, simultaneously the utility model discloses be equipped with a plurality of strengthening rib pieces that are radial interval distribution between round boss lateral wall and saw bit body, can also further transmit the concentrated rotational stress that saw bit milling cutter center received to saw bit milling cutter whole circumference in time, avoid its rotational stress to excessively concentrate in saw bit milling cutter center, simultaneously the utility model discloses lower surface sets up a plurality of anti week portion stress grooves that are circumference form interval distribution on saw bit body circumference panel, the rotational stress that saw bit milling cutter global received can further be alleviated simultaneously to this structure; therefore the utility model discloses have excellent anti rotation stress, effectively avoid saw bit milling cutter's central round hole department can not take place latent splitting or deformation, and then further effectively improve saw bit milling cutter's life.

Drawings

Fig. 1 is a schematic structural diagram of a high-performance saw blade milling cutter 100 according to an embodiment of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A;

fig. 4 is a side view of the structure of fig. 1.

Detailed Description

The embodiment of the utility model discloses a high performance saw blade milling cutter, including a saw blade body that is circular shape, be equipped with a plurality of milling teeth on the outer terminal surface of saw blade body circumference, the milling tooth includes first milling tooth face and second milling tooth face, and the slope of second milling tooth face is greater than the slope of first milling tooth face, wherein, first milling tooth face tip and second milling tooth face tip are connected through the arc concave surface, the junction of first milling tooth face tip and arc concave surface is as milling tooth blade; the second milling tooth surface of the milling tooth is connected with the first milling tooth surface of the adjacent milling tooth by a semicircular arc groove surface extending towards the inner circumferential direction.

The embodiment of the utility model realizes the connection between the first milling tooth surface and the second milling tooth surface with different slopes through the arc concave surface, the structure can lead the joint of the end part of the first milling tooth surface and the arc concave surface to be used as the milling tooth cutting edge of the embodiment of the utility model, the joint of the end part of the second milling tooth surface and the arc-shaped concave surface can not generate friction to work pieces to bear acting force in the working process, thereby avoiding unnecessary loss of milling teeth, meanwhile, the embodiment of the utility model provides that the second milling tooth surface of the milling tooth is connected with the first milling tooth surface of the adjacent milling tooth by a semicircular arc groove surface extending towards the inner circumferential direction, this semicircle circular arc recess face does benefit to the bits end that produces in the course of working in time to get rid of, and then avoids the utility model discloses the milling tooth of embodiment takes place to collapse and splits, is showing and improves the utility model discloses the life of embodiment.

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but 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 shall belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, a high performance blade milling cutter 100 includes a circular blade body 110, a plurality of teeth 120 are disposed on an outer circumferential end surface of the blade body 110, each tooth 120 includes a first tooth surface 121 and a second tooth surface 122, and a slope of the second tooth surface 122 is greater than a slope of the first tooth surface 121, wherein an end of the first tooth surface 121 and an end of the second tooth surface 122 are connected by an arc-shaped concave surface 123, and a connection portion between the end of the first tooth surface 121 and the arc-shaped concave surface 123 serves as a tooth milling cutting edge 130; the second milling tooth surface 122 of the milling tooth 120 is connected with the first milling tooth 121 surface of the adjacent milling tooth 120 by a semicircular arc groove surface 140 extending towards the inner circumferential direction;

preferably, in the present embodiment, the upper and lower surfaces of the central portion of the blade body 110 are both provided with a circular boss 150 having a central circular hole 111, and a plurality of reinforcing rib pieces 160 are arranged between the side wall of the circular boss 150 and the blade body 110 at intervals in the radial direction for resisting the central concentrated rotational stress of the blade milling cutter 100; the upper and lower surfaces of the circumferential panel of the saw blade body 110 are provided with a plurality of circumferential stress-resisting grooves 170 distributed at intervals in a circumferential manner for resisting the circumferential high-speed rotation stress of the saw blade milling cutter 100; the peripheral stress resisting groove 170 is in a handle shape, and the notch of the peripheral stress resisting groove 170 is matched with the circular boss 150 oppositely;

preferably, in the present embodiment, the number of the reinforcing rib pieces 160 provided on each circular boss 150 is 3 to 8; the number of the peripheral stress resisting grooves 170 is 3-8; particularly preferably, in the present embodiment, the number of the reinforcing rib pieces 160 provided on each circular boss 150 is 4; the number of the peripheral stress resisting grooves 170 is 6.

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 high-performance saw blade milling cutter comprises a circular saw blade body, wherein a plurality of milling teeth are arranged on the outer end face of the circumference of the saw blade body, and the high-performance saw blade milling cutter is characterized in that the milling teeth comprise a first milling tooth face and a second milling tooth face, the slope of the second milling tooth face is larger than that of the first milling tooth face, the end part of the first milling tooth face and the end part of the second milling tooth face are connected through an arc-shaped concave face, and the joint of the end part of the first milling tooth face and the arc-shaped concave face is used as a milling tooth cutting edge; the second milling tooth surface of the milling tooth is connected with the first milling tooth surface of the adjacent milling tooth through a semicircular arc groove surface extending towards the inner circumferential direction.