CN213437234U

CN213437234U - Six-edge cutting blade and multifunctional cutter

Info

Publication number: CN213437234U
Application number: CN202021834741.7U
Authority: CN
Inventors: 高敏; 杨家豪
Original assignee: Dongguan Gaoye Cutting Tools Co ltd
Current assignee: Dongguan Gaoye Cutting Tools Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-15
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a six-edge cutting blade, which comprises a body, wherein the body is provided with a front surface, a back surface and side surfaces, and the center of the body is provided with a mounting hole which penetrates through the upper surface and the lower surface; a plurality of cutter arms are uniformly distributed on the body around the circumference of the mounting hole, and a first cutting edge is formed on the front surface of each cutter arm; a chip groove is formed on the side surface of the cutter arm; the back of the body is provided with a positioning convex rib corresponding to each cutter arm. The six-blade cutting knife of the utility model is provided with the knife tip arc and the first blade, can realize different operation processing applications such as face milling, groove milling, grooving, cutting off excircle processing and the like, and has wide application; six sword cutting sword backs are provided with the location fin, with the constant head tank phase-match on the handle of a knife, can realize quick assembly, accurate school position through the matching of location fin and constant head tank when the installation.

Description

Six-edge cutting blade and multifunctional cutter

Technical Field

The utility model relates to a cutting sword technical field, more specifically the saying so relates to a six sword cutting blades and multi-functional cutter.

Background

With the continuous emergence of new materials, new processes and complicated structures of workpieces, higher requirements are also put forward on the performance of metal cutting tools. A cutting blade is a tool for performing cutting work; the traditional cutting knife only has a single blade, and after the cutting knife is used for a certain time, the blade is damaged and then discarded, thereby causing resource waste.

Consequently, multi-edged cutting inserts have been developed in which the cutting edges may be of the same size or of different sizes in order to achieve multi-stage utilization and cutting.

Then, when the multi-blade cutting knife in the prior art is used for switching cutting edges, the cutting effect can be ensured only by accurately positioning the cutting edges; the multi-blade cutting knife in the prior art obviously cannot achieve the effect of quick positioning.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a six-edge cutting blade and multi-functional cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a six-edge cutting blade comprises a body, wherein the body is provided with a front surface, a back surface and a side surface, and a mounting hole penetrating through the upper surface and the lower surface is formed in the center of the body; a plurality of cutter arms are uniformly distributed on the body around the circumference of the mounting hole, and a first cutting edge is formed on the front surface of each cutter arm; the outer end of the front surface of the cutter arm is formed with a cutter point arc, and the side surface of the cutter arm is formed with a chip groove; the back of the body is provided with a positioning convex rib corresponding to each cutter arm.

In a preferred technical scheme, each cutter arm is provided with a first side surface connected with the previous cutter arm and a second side surface connected with the next cutter arm, a third side surface is formed between the first side surface and the second side surface, and the first side surface, the second side surface and the third side surface are connected.

In a preferred technical scheme, the first cutting edge is formed on the front surface of the body and is connected with the first side surface and the second side surface in a distributed manner.

In a preferable technical scheme, the plane between the first cutting edge and the mounting hole is an inner concave surface with a clearance effect, and the height of the inner concave surface is lower than that of the first cutting edge.

In a preferred technical scheme, the arc of the tool nose is formed at the intersection of the third side surface and the front surface.

In a preferred technical scheme, the chip discharge grooves are formed in the second side face and are positioned at the intersection of the second side face and the third side face; the chip groove is arranged as an inward concave arc surface and penetrates through the front surface and the back surface of the cutter body.

In the preferred technical scheme, the positioning convex ribs are radially distributed outwards by taking the mounting hole as the center and are uniformly distributed on each cutter arm.

In the preferred technical scheme, six cutter arms are arranged, and the included angle between every two adjacent cutter arms is 60 degrees; six first blades are correspondingly arranged; six positioning convex ribs are formed, and the included angle between every two adjacent positioning convex ribs is 60 degrees.

A tool using the six-edged cutting insert, comprising: the cutting tool comprises a tool shank and a six-edge cutting blade arranged on the tool shank; a mounting position for assembling the six-edge cutting blade is formed at the front end of the cutter handle, a locking hole is formed in the mounting position corresponding to the mounting hole of the six-edge cutting blade, and the locking hole is locked by a fastening screw; a plurality of positioning grooves matched with the positioning convex ribs are formed in the mounting positions corresponding to the back surfaces of the six-edge cutting blades.

In the preferred technical scheme, a mounting hole penetrating through the upper surface and the lower surface is formed in the center of the six-edge cutting blade; six cutter arms are uniformly distributed on the six-blade cutting blade around the circumference of the mounting hole, and first blades are formed on the front faces of the six cutter arms; the outer end of the front surface of the cutter arm is formed with a cutter point arc, and the side surface of the cutter arm is formed with a chip groove; the back of the six-edge cutting blade is provided with a positioning convex rib corresponding to each tool arm.

Known through foretell technical scheme, compare with prior art, the utility model discloses following beneficial technological effect has:

1. the six-blade cutting blade of the utility model is provided with the tool nose arc and the first blade, can realize different operations such as face milling, groove milling, grooving, excircle cutting and the like, and has wide application;

2. the six-blade cutting blade of the utility model is provided with six blade arms, each blade arm is provided with a first blade, the back of the six-blade cutting blade is provided with a positioning convex rib, each blade arm forms a 60-degree included angle, and the positioning convex ribs form a 60-degree included angle; the force uniformity can be realized.

3. The utility model discloses a six sword cutting blade backs are provided with the location fin, with the constant head tank phase-match on the handle of a knife, can realize quick assembly, accurate school position through the matching of location fin and constant head tank when the installation.

Drawings

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

FIG. 1 is a schematic view of a six-edged cutting insert according to the present invention at an angle from the front;

fig. 2 is a schematic perspective view of a six-edged cutting insert according to the present invention;

FIG. 3 is a schematic view of another angle of the six-edged cutting insert of the present invention;

FIG. 4 is a schematic structural view of the middle knife handle of the present invention;

FIG. 5 is a schematic view of the front structure of the middle knife handle of the present invention;

fig. 6 is a schematic structural view of the assembly of the six-edge cutting insert and the tool holder of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

The first embodiment is as follows:

a six-edged cutting insert, as shown in fig. 1-4, has a body 100, the body 100 being made of a high hardness metal, the body 100 having a front surface, a back surface, and side surfaces.

The center of the body 100 is provided with a mounting hole 110 penetrating through the upper surface and the lower surface, the body 100 is uniformly provided with a plurality of tool arms 120 around the circumference of the mounting hole 110, in the embodiment, six tool arms 120 are arranged, so that the six-edge cutting tool is roughly in a hexagon star shape, an included angle between every two adjacent tool arms 120 is 60 degrees, and uniform distribution of force is realized.

A first blade 130 is disposed on the front surface of each blade arm 120 of the body 100, and a plane between the first blade 130 and the mounting hole 110 is an inner concave surface/inner concave plane, and is lower in height than the first blade 130, so as to form an escape surface.

Each of the knife arms 120 has a first side surface 101 connected to the previous knife arm and a second side surface 102 connected to the next knife arm, a third side surface 103 is formed between the first side surface 101 and the second side surface 102, and the first side surface 101, the second side surface 102 and the third side surface 103 are connected.

The first cutting edge 130 is formed on the front surface of the body 100 and is connected to the first side surface 101 and the second side surface 102.

The outer end of the front surface of the knife arm 120 is formed with a knife tip arc 140, and the side surface of the knife arm 120 is formed with a chip groove 150.

Specifically, the cutting edge arc 140 is formed at the intersection of the third side surface 103 and the front surface, and the front angle a of the cutting edge arc is 15 °, and the rear angle B of the cutting edge arc is 7 °.

The chip groove 150 is formed on the second side surface 102 and located at the intersection of the second side surface 102 and the third side surface 103, the chip groove 150 is an inward concave arc-shaped surface and penetrates through the front surface and the back surface of the cutter body 100, and the chip groove 150 is used for discharging chips.

Because the utility model discloses a sword arm 120 that sets up on the six-blade cutting blade is the even number, and is that centrosymmetric sets up, has realized the even of dynamics, and has knife tip circular arc 140 and first knife edge 130, and first knife edge 130 is used for processing such as face milling, and knife tip circular arc 140 is used for grooving, excircle processing etc. can realize different processing and use.

Because the utility model discloses a six sword cutting blades are equipped with six arms, owing to need carry out position control when using knife tip circular arc 140 or the first cutting edge 130 on the different arms 120, consequently, have a location fin 160 corresponding to every arm 120 equal shaping at the body 100 back.

In a preferred embodiment, the positioning ribs 160 are radially distributed outward around the mounting hole 110, and are uniformly distributed on each blade arm 120, so as to realize the positioning of each blade arm 120 when adjusting the angle.

Example two:

a tool for use with the six-edged cutting insert, as shown in fig. 1-2 and 4-6, comprising: a tool shank 300 and a six-edged cutting insert 400 mounted on the tool shank 300.

The front end of the tool holder 300 is formed with a mounting position 310 for mounting a six-edged cutting insert 400.

The structure, specific structure and use of the six-edged cutting insert 400 in the first embodiment are briefly described in this embodiment.

The center of the six-edge cutting insert 400 is provided with a mounting hole 110 penetrating through the upper and lower surfaces; six tool arms 120 are uniformly distributed on the six-edge cutting blade 400 around the circumference of the mounting hole, and first edges 130 are formed on the front surfaces of the six tool arms 120; a tool nose arc 140 is formed at the outer end of the front surface of the tool arm 120, and a chip discharge groove 150 is formed at the side surface of the tool arm 120; the six-edged cutting insert 400 has a positioning rib 160 formed on the rear surface thereof corresponding to each arm 120.

A locking hole 320 is formed in the mounting position 310 corresponding to the mounting hole of the six-edged cutting insert 400 and is locked by a fastening screw 500; a plurality of positioning grooves 330 are formed in the mounting site 310 corresponding to the rear surface of the six-edged cutting insert 400 to be matched with the positioning ribs 160.

During the assembly, put into the installation position six sword cutting blade 400, each location fin 160 corresponds during embedding constant head tank 330, can guarantee that every angle center of trading all is in a position, and the location precision is high, can realize quick change.

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 invention. 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. A six-edged cutting insert characterized in that: the device comprises a body, wherein the body is provided with a front surface, a back surface and side surfaces, and a mounting hole penetrating through the upper surface and the lower surface is formed in the center of the body; a plurality of cutter arms are uniformly distributed on the body around the circumference of the mounting hole, and a first cutting edge is formed on the front surface of each cutter arm; a chip groove is formed on the side surface of the cutter arm; the back of the body is provided with a positioning convex rib corresponding to each cutter arm.

2. A six-edged cutting insert as set forth in claim 1, wherein: each cutter arm is provided with a first side surface connected with the previous cutter arm and a second side surface connected with the next cutter arm, a third side surface is formed between the first side surface and the second side surface, and the first side surface, the second side surface and the third side surface are connected.

3. A six-edged cutting insert as set forth in claim 2 wherein: the first blade is formed on the front surface of the body and is connected with the first side surface and the second side surface in a distributed manner.

4. A six-edged cutting insert as set forth in claim 1, wherein: the plane between the first cutting edge and the mounting hole is an inner concave surface with a clearance function, and the height of the inner concave surface is lower than that of the first cutting edge.

5. A six-edged cutting insert as set forth in claim 2 wherein: the outer end of the front surface of the cutter arm is formed with a cutter point arc; the chip grooves are formed in the second side face and are positioned at the intersection of the second side face and the third side face; the chip groove is arranged as an inward concave arc surface and penetrates through the front surface and the back surface of the cutter body.

6. A six-edged cutting insert as set forth in claim 5 wherein: the arc of the tool nose is formed at the intersection of the third side surface and the front surface.

7. A six-edged cutting insert as set forth in claim 1, wherein: the positioning convex ribs are radially distributed outwards by taking the mounting hole as a center and are uniformly distributed on each cutter arm.

8. A six-edged cutting insert as set forth in claim 1, wherein: six cutter arms are arranged, and the included angle between every two adjacent cutter arms is 60 degrees; six first blades are correspondingly arranged; six positioning convex ribs are formed, and the included angle between every two adjacent positioning convex ribs is 60 degrees.

9. A multifunctional cutter is characterized in that: the method comprises the following steps: a tool shank and a six-edged cutting insert according to any one of claims 1 to 8 mounted thereon;

a mounting position for assembling the six-edge cutting blade is formed at the front end of the cutter handle, a locking hole is formed in the mounting position corresponding to the mounting hole of the six-edge cutting blade, and the locking hole is locked by a fastening screw;

a plurality of positioning grooves matched with the positioning convex ribs are formed in the mounting positions corresponding to the back surfaces of the six-edge cutting blades.

10. The multi-function tool as set forth in claim 9, wherein: the center of the six-edge cutting blade is provided with a mounting hole which penetrates through the upper surface and the lower surface; six cutter arms are uniformly distributed on the six-blade cutting blade around the circumference of the mounting hole, and first blades are formed on the front faces of the six cutter arms; the outer end of the front surface of the cutter arm is formed with a cutter point arc, and the side surface of the cutter arm is formed with a chip groove; the back of the six-edge cutting blade is provided with a positioning convex rib corresponding to each tool arm.