CN216370484U

CN216370484U - Deburring blade

Info

Publication number: CN216370484U
Application number: CN202122460838.7U
Authority: CN
Inventors: 张波; 张海斌; 赖剑锋; 雷翠琴
Original assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Current assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-26
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to a deburring blade, which comprises a blade body with a trapezoidal structure, wherein the blade body comprises a square rear bottom surface and a square front plane, the surface area of the rear bottom surface is smaller than that of the front plane, the rear bottom surface is used for being fixed with machine tool equipment, at least one front cutter face is arranged at the edge of the front plane, the front cutter face is of an inward convex arc surface structure facing the blade body, a supporting table is arranged on the blade body between the front cutter face and the side edge of the front plane, the plane where the supporting table is located and the front plane are located in the same plane, and an arc chamfer is arranged at the joint of the side edge of the front plane and the supporting table. Therefore, the problem that the front cutter face of the existing deburring blade is a plane, cutting chips are not easy to break and discharge, and the cutting chips are easy to scratch the surface of a workpiece is solved; and the front surface and the side edge of the blade are not in transition and are in right-angle connection, so that the surface of a workpiece is extremely easy to be 'gouged', the whole surface is in contact with the excircle of the workpiece, the contact area is large, and vibration lines are extremely easy to generate on the surface of the workpiece.

Description

Deburring blade

Technical Field

The utility model relates to the technical field of cutters, in particular to a deburring blade.

Background

Some burrs and flashes can be remained after a workpiece is machined and formed, the appearance of a product is influenced, the burrs need to be completely removed, and the deburring cutter is used for removing the burrs, as shown in figure 1, the existing deburring cutter is generally arranged into a trapezoidal structure, a front cutter face is a-10-degree plane which is obliquely arranged from the front surface of the cutter to the inside of the cutter, cuttings are not easy to break and discharge, and are easy to scratch the surface of the workpiece, because the rear cutter face of the cutter is a whole 7-degree plane, when the cutter starts to feed (cut), the front surface and the side edge of the cutter do not have transition and are in right-angle connection, the surface of the workpiece is very easy to 'gouge', the whole surface is in contact with the excircle of the workpiece, the contact area is large, and the surface of the workpiece is very easy to generate vibration lines.

Therefore, how to solve the problems that the front knife face of the existing deburring blade is a plane, the cutting chips are not easy to break and discharge, and the cutting chips are easy to scratch the surface of a workpiece; the front surface and the side edge of the blade are not in transition and are in right-angle connection, so that the surface of a workpiece is extremely easy to be 'gouged', the whole surface is in contact with the excircle of the workpiece, the contact area is large, and the surface of the workpiece is extremely easy to generate vibration lines, thereby becoming an important technical problem to be solved by professionals in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a deburring blade, which aims to solve the problems that the front knife face of the existing deburring blade is a plane, cutting scraps are not easy to break and discharge, and the cutting scraps are easy to scratch the surface of a workpiece; and the front surface and the side edge of the blade are not in transition and are in right-angle connection, so that the surface of a workpiece is extremely easy to be 'gouged', the whole surface is in contact with the excircle of the workpiece, the contact area is large, and vibration lines are extremely easy to generate on the surface of the workpiece.

The deburring blade adopts the following technical scheme:

the utility model provides a deburring blade, includes that the base member shape is the blade body of trapezoidal body structure, the blade body includes the back bottom surface and the preceding plane of square, the surface area of back bottom surface is less than preceding planar surface area, just back bottom surface is used for fixing with lathe equipment, at least one rake face has been seted up to preceding planar edge, the rake face is the orientation the interior convex cambered surface structure of blade body, the rake face with between the side of preceding planar the blade body establishes to a brace table, the plane at brace table place with the preceding plane is located the coplanar, preceding planar side with the junction of brace table is equipped with the circular arc chamfer.

Preferably, the number of the rake faces is two, and the two rake faces are respectively located on the upper and lower opposite edges of the front plane and are arranged along opposite angles.

Preferably, the support table has a width of 3 mm.

Preferably, the blade body is made of cemented carbide.

The utility model has the beneficial effects that: a deburring blade is characterized in that a front cutter face is of an inward convex cambered surface structure facing a blade body, so that cutting chips can be broken and smoothly discharged, and a workpiece is prevented from being scratched due to the cutting chips; meanwhile, arc chamfers are arranged at the joints of the side edges of the front plane and the supporting platform, arc transition is achieved, the contact surface of the arc and the workpiece is small, a supporting effect is achieved, vibration lines can be avoided, and deformation of the excircle is prevented.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a front and side view of a prior art deburring blade;

FIG. 2 is a front view of a deburring blade in an embodiment of the present invention;

fig. 3 is a side view of a deburring blade in an embodiment of the present invention.

In the figure:

1-front plane, 2-rear bottom surface, 3-front tool face, 4-support table, 5-arc chamfer and 6-step hole.

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.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 2-3, the present embodiment provides a deburring blade comprising a blade body having a trapezoidal base shape, the blade body including a square rear bottom surface 2 and a front flat surface 1, the rear bottom surface 2 having a surface area smaller than that of the front flat surface 1.

Wherein, the back bottom surface 2 is used for fixing with the machine tool equipment, specifically, the central position of the blade body is provided with a through hole for fixing with the machine tool equipment, specifically, the through hole can be set as a stepped hole 6 and the like, as the case may be.

In this embodiment, as shown in fig. 2 and 3, at least one rake surface 3 is provided at the edge of the front plane 1, the rake surface 3 is an inward convex arc structure facing the blade body, and further, two rake surfaces 3 are provided, and the two rake surfaces 3 are respectively located on the upper and lower opposite sides of the front plane 1 and are arranged along opposite angles. Thus, the rake face 3 is changed from the existing plane structure to the cambered surface structure in the embodiment, so that the chips can be broken and smoothly discharged, and the scratch of the workpiece caused by the chips is avoided.

Meanwhile, a blade body between the front blade surface 3 and the side edge of the front plane 1 is set as a supporting table 4, the plane where the supporting table 4 is located and the front plane 1 are located in the same plane, an arc chamfer 5 is arranged at the joint of the side edge of the front plane 1 and the supporting table 4, and specifically, the width of the supporting table 4 is 3 mm. By using the arc transition, the contact surface of the arc and the workpiece is small, the supporting effect is achieved, the generation of vibration lines can be avoided, and the deformation of the excircle is prevented.

By the arrangement, the problem that the front cutter face of the existing deburring cutter blade is a plane, cutting chips are not easy to break and discharge, and the cutting chips are easy to scratch the surface of a workpiece is solved; and the front surface and the side edge of the blade are not in transition and are in right-angle connection, so that the surface of a workpiece is extremely easy to be 'gouged', the whole surface is in contact with the excircle of the workpiece, the contact area is large, and vibration lines are extremely easy to generate on the surface of the workpiece.

In a preferred embodiment of the present invention, the insert body is made of cemented carbide, which has high hardness, wear resistance and long service life.

It should be noted that, in the present specification, the terms "front", "rear", and the like indicate directions of orientation, and refer to a direction close to the workpiece as front and a direction away from the workpiece as rear.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a deburring blade, its characterized in that, includes that the base member shape is the blade body of trapezoidal body structure, the blade body includes square back bottom surface and preceding plane, the surface area of back bottom surface is less than preceding planar surface area, just back bottom surface is used for fixing with lathe equipment, at least one rake face has been seted up to preceding planar edge, the rake face is the orientation the interior convex cambered surface structure of blade body, the rake face with between the side of preceding plane the blade body is established to a brace table, the plane at brace table place with preceding plane is located the coplanar, preceding planar side with the junction of brace table is equipped with the circular arc chamfer.

2. A deburring blade as claimed in claim 1 wherein there are two of said rake surfaces, two of said rake surfaces being located on respective upper and lower opposite sides of said rake plane and being disposed diagonally.

3. A deburring blade as claimed in claim 1 wherein said support platform is 3mm wide.

4. A deburring blade as claimed in claim 1 wherein said blade body is of cemented carbide.