CN206335180U - A compound high-hardness milling cutter for end milling and side milling - Google Patents

Abstract

The utility model discloses a compound high rigidity milling cutter of end milling side milling, including handle of a knife and tool bit, the tool bit includes cylindrical cutter body, distributes at two sets of main peripheral sword of cylindrical cutter body side surface, distributes at the vice peripheral sword of every group main peripheral sword one side, distributes at two sets of main bottom edges on cylindrical cutter body top and distributes at the vice bottom edge of every group main bottom edge one side, main peripheral sword, vice peripheral sword, main bottom edge and vice bottom edge surface coating nitrogen chromium silicide wear-resistant coating, main bottom edge is the arc. The beneficial effects of the utility model are that, both can accomplish the end and mill and can accomplish the side and mill, improve the metal clearance moreover and restrain cutter wearing and tearing and prolong the life-span of cutter, possess higher wearability, the cost is lower.

Description

A compound high-hardness milling cutter for end milling and side milling

technical field

The utility model relates to the field of cutting tools, in particular to a compound high-hardness milling cutter for end milling and side milling.

Background technique

A milling cutter is a rotating tool with one or more teeth for milling. When working, each knife tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces and cutting off workpieces on milling machines.

The utility model whose application number is 201320197033.0 is a high-hardness and high-wear-resistant milling cutter, which has the same technical field as the utility model. This utility model called a high-hardness and high-wear-resistant milling cutter includes: a cutter head and a cutter shank, the cutter head and the cutter shank are of an integrated structure, and the outer surface of the cutter head is provided with There is a hard wear-resistant coating of aluminum oxide, and the outer surface of the hard wear-resistant coating of aluminum oxide is provided with a first hard wear-resistant coating of titanium nitride silicide, and the first hard wear-resistant coating of titanium nitride silicon The outer surface of the wear-resistant coating is provided with a chromium silicon nitride hard wear-resistant coating, and the outer surface of the chromium nitride silicon nitride hard wear-resistant coating is provided with a second titanium nitride silicon nitride hard wear-resistant coating. Through the above method, the utility model has high hardness, better wear resistance and better heat resistance.

Although the existing technology has powerful functions, the manufacturing cost is high, it is not suitable for mass production, and it wears quickly and has a short service life.

Utility model content

The purpose of the utility model is to solve the above-mentioned problems by designing a compound high-hardness milling cutter for end milling and side milling.

To achieve the above purpose, the technical solution of the utility model is a compound high-hardness milling cutter for end milling and side milling, including a handle and a cutter head, and the cutter head includes a cylindrical cutter body, and Two sets of main peripheral edges, secondary peripheral edges distributed on one side of each group of main peripheral edges, two sets of main bottom edges distributed on the top of the cylindrical cutter body and secondary bottom edges distributed on one side of each group of main bottom edges, said The surfaces of the main peripheral edge, the auxiliary peripheral edge, the main bottom edge and the auxiliary bottom edge are coated with chromium nitride silicon nitride wear-resistant coating, and the main bottom edge is arc-shaped.

The handle is a tapered handle.

The main peripheral edge is a right-hand helical edge, and the helix angle of the main peripheral edge is 30°.

An open chip flute is provided between the two groups of main peripheral cutting edges.

Both ends of each set of main bottom edges are provided with inner chamfers and outer chamfers.

The end-milling and side-milling composite high-hardness milling cutter produced by the technical scheme of the utility model can not only complete the end milling but also the side milling, and increase the metal removal rate to suppress the wear of the tool and prolong the life of the tool. High wear resistance, low cost.

Description of drawings

Fig. 1 is a schematic structural view of an end-milling and side-milling composite high-hardness milling cutter described in the present invention;

Fig. 2 is a schematic view of the end face of a compound high-hardness milling cutter for end milling and side milling described in the present invention;

Fig. 3 is a schematic diagram of the main bottom edge of a compound high-hardness milling cutter for end milling and side milling described in the present invention;

In the figure, 1, tool handle; 2, cutter head; 3, cylindrical cutter body; 4, main peripheral edge; 5, auxiliary peripheral edge; 6, main bottom edge; 7, auxiliary bottom edge; 8, open chip holding Groove; 9, inner chamfer; 10, outer chamfer.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings. As shown in Figures 1-3, a compound high-hardness milling cutter for end milling and side milling includes a handle 1 and a cutter head 2, and the cutter head 2 includes a cylindrical cutter Body 3, two groups of main peripheral cutting edges 4 distributed on the side surface of cylindrical cutter body 3, secondary peripheral cutting edges 5 distributed on one side of each group of main peripheral cutting edges 4, two groups of main bottom cutting edges distributed on the top of cylindrical cutter body 3 6 and the auxiliary bottom edge 7 distributed on one side of each group of main bottom edge 6, the surface of the main peripheral edge 4, the secondary peripheral edge 5, the main bottom edge 6 and the secondary bottom edge 7 is coated with a chromium nitride silicon nitride wear-resistant coating, The main bottom edge 6 is arc-shaped; the handle 1 is a tapered handle; the main peripheral edge 4 is a right-hand helical blade, and the helix angle of the main peripheral edge 4 is 30°; the two groups Open chip pockets 8 are provided between the main peripheral edges 4 ; inner chamfers 9 and outer chamfers 10 are provided at both ends of each set of main bottom edges 6 .

The feature of this embodiment is that the cutter head includes a cylindrical cutter body, two sets of main peripheral cutting edges distributed on the side surface of the cylindrical cutter body, secondary peripheral cutting edges distributed on one side of each group of main peripheral cutting edges, and distributed on the cylindrical cutting edge. Two sets of main bottom edges at the top of the cutter body and auxiliary bottom edges distributed on one side of each group of main bottom edges. Layer, the main bottom edge is arc-shaped, and the arc-shaped edge increases the length of the edge and the contact efficiency with the workpiece, so as to improve the metal removal rate to suppress tool wear and prolong the life of the tool.

In this embodiment, the operator clamps the conical tool holder on the machine tool. The conical tool holder can make the positioning more accurate. When the tool is rotated, the main peripheral edge on the side and the main bottom edge on the end face of the tool head can be used. , to complete the processing, the blade is coated with chromium nitride silicon nitride wear-resistant coating, which can effectively reduce tool wear and prolong tool life. In addition, the main bottom edge adopts an arc design, which can increase the amount of machining contact, so as to improve the metal removal rate. Suppresses tool wear and prolongs tool life.

The above-mentioned technical solutions only embody the preferred technical solutions of the technical solutions of the present utility model, and some changes that may be made by those skilled in the art to some parts thereof reflect the principles of the present utility model and belong to the protection scope of the present utility model within.

Claims (5)

1. a kind of compound high rigidity milling cutter of end mill side milling, including handle of a knife (1) and cutter head (2), it is characterised in that the cutter head (2) include cylindrical cutter body (3), be distributed in two groups of main peripheral edges (4) of cylindrical cutter body (3) side surface, be distributed in every group of master The secondary peripheral edge (5) of peripheral edge (4) side, two groups of main shear blades (6) for being distributed in cylindrical cutter body (3) top and it is distributed in every group The secondary shear blade (7) of main shear blade (6) side, the main peripheral edge (4), secondary peripheral edge (5), main shear blade (6) and secondary shear blade (7) surface Nitrogen chromium silicide wear-resistant coating is coated, the main shear blade (6) is curved.

2. according to the compound high rigidity milling cutter of a kind of end mill side milling described in claim 1, it is characterised in that the handle of a knife (1) is Conical surface handle of a knife.

3. a kind of compound high rigidity milling cutter of end mill side milling according to claim 1, it is characterised in that the main peripheral edge (4) it is right sword right-hand screw blade, main peripheral edge (4) helical angle is 30 °.

4. the compound high rigidity milling cutter of a kind of end mill side milling according to claim 1, it is characterised in that outside two groups of masters Open type chip pocket (8) is provided between Zhou Ren (4).

5. a kind of compound high rigidity milling cutter of end mill side milling according to claim 1, it is characterised in that every group of main bottom Sword (6) two ends are provided with interior chamfering (9) and outer chamfering (10).