CN211840321U

CN211840321U - PCD (Poly Crystal Diamond) forming milling cutter

Info

Publication number: CN211840321U
Application number: CN202020338335.5U
Authority: CN
Inventors: 张一�; 李佳
Original assignee: Luoyang Sooner Precision Tools Co ltd
Current assignee: Luoyang Sooner Precision Tools Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-03
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a PCD formed milling cutter, which comprises a cutter handle and a cutter head, wherein the cutter handle and the cutter head are integrally formed, four notches are arranged on the cutter head to form four cutter teeth in a convolution shape, first blades are respectively arranged on the side surfaces of the two cutter teeth at intervals along the cutting direction, and the extension lines of the cutting edges of the two first blades all pass through the center of the cutter head; the cutter teeth are formed into grooves at positions close to the cutter handle, second blades are arranged on the side surfaces of the grooves formed by the other two cutter teeth without the first blades along the cutting direction, and the cutting surfaces of the second blades and the first blades are overlapped. Has the advantages that: this milling cutter integrated into one piece can once only mill the thermostat mouth of pipe, and convenient to use has improved and has milled efficiency and precision. Meanwhile, the first blades and the second blades are arranged in a staggered mode, so that scraps are divided, and the damage of cutting scraps to a workpiece is avoided.

Description

PCD (Poly Crystal Diamond) forming milling cutter

Technical Field

The utility model relates to a milling cutter field, concretely relates to PCD shaping milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. At present, the milling of the nozzle of the thermostat is generally divided into two sections for milling, the milling efficiency is low, and the precision is not high, because a PCD (polycrystalline Diamond) forming milling cutter is designed for one-step forming milling of the nozzle of the thermostat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCD shaping milling cutter just in order to solve above-mentioned problem, this cutter integrated into one piece can once only mill the thermostat mouth of pipe, and is efficient, and the precision is high.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a PCD (polycrystalline Diamond) forming milling cutter comprises a cutter handle and a cutter head, wherein the cutter handle and the cutter head are integrally formed, four notches are formed in the cutter head to form four rotary cutter teeth, first blades are respectively arranged on the side surfaces of the two cutter teeth spaced along a cutting direction, and the extension lines of cutting edges of the two first blades pass through the center of the cutter head;

the cutter teeth are formed into grooves at positions close to the cutter handle, second blades are arranged on the side surfaces of the grooves formed by the other two cutter teeth without the first blades along the cutting direction, and the cutting surfaces of the second blades and the first blades are overlapped.

Preferably, the first and second blades are PCD blades.

Preferably, the first blade has a land angle of 8 °.

Preferably, the shape of the second insert cutting edge is the same as the shape of the groove edge.

Preferably, the edge of the groove is divided into a first arc, a straight line part and a second arc, and the radius of the first arc is 1mm, and the radius of the second arc is 3 mm.

To sum up, the utility model has the advantages that: this milling cutter integrated into one piece can once only mill the thermostat mouth of pipe, and convenient to use has improved and has milled efficiency and precision. Meanwhile, the first blades and the second blades are arranged in a staggered mode, so that scraps are divided, and the damage of cutting scraps to a workpiece is avoided.

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, 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.

Fig. 1 is a front view of the present invention;

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

fig. 3 is a left side view of the present invention;

fig. 4 is an enlarged view of fig. 1.

The reference numerals are explained below:

1. a knife handle; 2. a cutter head; 3. a first blade; 4. cutter teeth; 5. a second blade; 6. a groove; 6a, a first arc; 6b, a straight line part; 6c, a second arc.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a PCD shaping milling cutter, including handle of a knife 1 and tool bit 2, handle of a knife 1 with tool bit 2 integrated into one piece, set up four breach formation convolution four sword teeth 4 on the tool bit 2, install respectively on two sword teeth 4 sides along cutting direction spaced and be used for the first blade 3 that mills the thermostat periphery, and the cutting edge extension line of these two first blades 3 all crosses the center of tool bit 2, can guarantee the precision of milling. The cutter teeth 4 are formed into grooves 6 at positions close to the cutter handle 1, second blades 5 used for milling protruding parts of a nozzle of the thermostat are installed on the side surfaces of the grooves 6 formed by the other two cutter teeth 4 without the first blades 3 along the cutting direction, and the cutting surfaces of the second blades 5 and the first blades 3 are overlapped. This milling cutter integrated into one piece can once only mill the thermostat mouth of pipe, and convenient to use has improved and has milled efficiency and precision. Meanwhile, the first blades 3 and the second blades 5 are arranged in a staggered mode, so that chips are divided, and the damage of the cutting chips to a workpiece is avoided.

In a preferred embodiment of the present invention, the first blade 3 and the second blade 5 are both PCD blades. The first blade 3 has a land angle of 8 °. The shape of the cutting edge of the second blade 5 is the same as the shape of the edge of the groove 6. The edge of the groove 6 is divided into a first circular arc 6a, a linear part 6b and a second circular arc 6c, the radius of the first circular arc 6a is 1mm, the radius of the second circular arc 6c is 3mm, and the structure can accurately mill the pipe orifice and ensure the milling precision.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A PCD shaping milling cutter is characterized in that: the cutting tool comprises a tool handle and a tool bit, wherein the tool handle and the tool bit are integrally formed, four notches are formed in the tool bit to form four rotary tool teeth, first blades are respectively arranged on the side surfaces of the two tool teeth spaced along the cutting direction, and the extension lines of cutting edges of the two first blades pass through the center of the tool bit;

2. A PCD milling cutter as claimed in claim 1, wherein: the first blade and the second blade are both PCD blades.

3. A PCD milling cutter as claimed in claim 1, wherein: the margin angle of the first blade is 8 °.

4. A PCD milling cutter as claimed in claim 1, wherein: the shape of the second insert cutting edge is the same as the shape of the groove edge.

5. A PCD forming milling cutter according to claim 4, wherein: the edge of the groove is divided into a first arc, a straight line part and a second arc, the radius of the first arc is 1mm, and the radius of the second arc is 3 mm.