CN216912255U

CN216912255U - PCD composite sleeve cutter for processing cylindrical surface

Info

Publication number: CN216912255U
Application number: CN202122497329.1U
Authority: CN
Inventors: 李志尧; 史进红; 张榅桲; 张海斌
Original assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Current assignee: Zhengzhou Diamond Precision Manufacturing Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-07-08
Anticipated expiration: 2031-10-18

Abstract

The utility model belongs to the technical field of machining tools for outer cylindrical surfaces, and particularly relates to a PCD composite gang tool for machining cylindrical surfaces, which comprises a tool body, two fixed tables arranged at the end parts of the tool body and tool bits made of PCD materials and connected to the fixed tables, wherein the two fixed tables are positioned at the end parts of the tool body and are in axial symmetry distribution relative to the central axis of the tool body; the end part of the fixed table far away from the tool bit is integrally provided with a chamfer edge; and one side of the front end blade of the cutter head, which is close to the central axis of the cutter body, is provided with a deflection angle. The utility model is used for solving the technical problems that the machining efficiency is low and the chamfer machining cannot be completed simultaneously when the outer cylindrical surface is machined by adopting a milling mode at present.

Description

PCD composite sleeve cutter for processing cylindrical surface

Technical Field

The utility model belongs to the technical field of outer cylindrical surface machining tools, and particularly relates to a PCD composite sleeve cutter for machining a cylindrical surface.

Background

For some external cylindrical surfaces which cannot be turned, milling is usually used for machining. At present, the machining is usually finished by a spiral interpolation milling mode, but the machining efficiency of the machining mode is low; meanwhile, after the outer cylindrical surface is machined, a chamfering milling cutter is additionally needed for machining the chamfering edge of the outer cylindrical surface, tool changing is needed in the process, the process is complicated, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a PCD composite sleeve cutter for processing a cylindrical surface, which is used for solving the technical problems that the processing efficiency is low and the chamfer processing cannot be completed simultaneously when an outer cylindrical surface is processed by adopting a milling mode at present.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a PCD composite set cutter for processing a cylindrical surface comprises a cutter body, two fixed tables and cutter heads, wherein the fixed tables are arranged at the end parts of the cutter body, the cutter heads are connected to the fixed tables and made of PCD materials; the end part of the fixed table far away from the tool bit is integrally provided with a chamfer edge; and one side of the front end blade of the cutter head, which is close to the central axis of the cutter body, is provided with a deflection angle.

Preferably, a chip groove is formed on the fixing table at a position close to the chamfer edge.

Preferably, said offset angle is chosen in the range of 1 ° to 5 °.

Preferably, the cutter head is connected with the fixed table through welding.

Preferably, cooling holes corresponding to the number of the cutting heads are formed in the cutter body, and the cooling holes are aligned with the cutting positions of the cutting heads and the chamfer edges.

Preferably, the cutter body is made of hard alloy.

Preferably, the cutter body is made of alloy steel.

The technical scheme adopted by the utility model has the beneficial effects that:

the utility model processes the outer cylindrical surface by adopting the turning principle, has high processing efficiency, directly processes the chamfer by the chamfer blade after the outer cylindrical surface is processed, saves the time for changing the tool and improves the processing efficiency. The end part of the cutter body is provided with the two fixed tables, the cutter head is arranged on the fixed tables, the front end blade of the cutter head is provided with the deflection angle, the outer cylindrical surface is machined by the cutter head by utilizing the sleeve cutter principle, the machining efficiency is high, the deflection angle plays a role in avoiding, and the surface roughness of the outer cylindrical surface is not influenced; through setting up the chamfer sword on the fixed station, chamfer sword and fixed station formula as an organic whole set up, can pass through the chamfer of the outer cylinder of chamfer sword processing by the diameter after the outer face of cylinder is accomplished in processing like this, need not the tool changing process and simplify the operation process, promote machining efficiency.

Drawings

FIG. 1 is a schematic front view of an embodiment of a PCD composite set tool for machining a cylindrical surface;

FIG. 2 is an enlarged schematic view of the cutter head of FIG. 1;

FIG. 3 is a schematic left view of an embodiment of a PCD composite set tool for machining a cylindrical surface.

In the drawings 1-3, 1-cutter body, 11-fixed platform, 111-chamfer edge, 112-chip groove, 12-cooling hole, 2-cutter head and alpha-deflection angle.

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, not all embodiments, and do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific embodiment is as follows:

example 1, as shown in fig. 1 to 3, a PCD composite set tool for machining a cylindrical surface includes a tool body 1, a fixed table 11, and a tool bit 2. The left end of cutter body 1 is provided with two fixed stations 11, and fixed station 11 is located the excircle of cutter body 1 tip, and is axial symmetry distribution for the central axis of cutter body 1 on cutter body 1 to there is the clearance that supplies the cylinder of treating the processing to stretch into between two fixed stations 11. In this embodiment, the fixed base 11 and the cutter body 1 are integrally provided.

The cutter head 2 is connected to the end portion of the fixed table 11 far away from the cutter body 1, and slightly protrudes out of the fixed table 11 towards one side of the central axis of the cutter body 1, and is used for machining an outer cylindrical surface to be machined. Specifically, the two tool bits 2 are axially symmetrically distributed relative to the central axis of the tool body 1.

More specifically, a side of the front end blade at the left end of the cutter head 2, which is close to the central axis of the cutter body 1, is provided with an offset angle α for avoiding an outer cylinder to be machined, so as to reduce the influence on the roughness of the outer cylinder surface to be machined.

In the present embodiment, the tool tip 2 is made of PCD.

An inclined chamfer edge 111 is provided on the stationary base 11 on the side closer to the center axis of the cutter body 1 and on the end of the stationary base 11 farther from the cutter head 2. Specifically, the inclination angle of the chamfer edge 111 is determined according to the angle of the chamfer of the cylinder to be processed. In the present embodiment, the chamfering edge 111 is directly provided on the fixing table 11, and is provided integrally with the fixing table 11.

When the PCD composite trepanning tool for machining the cylindrical surface is used, two tool bits 2 are used for machining the cylindrical surface to be machined. The drift angle of the tool bit 2 avoids the outer cylinder to reduce the influence on the roughness of the outer cylinder surface and ensure the processing quality. The integral type sets up chamfer sword 111 on fixed station 1, and after front end tool bit 2 processing accomplished outer cylinder face, chamfer sword 111 can directly be processed the chamfer of outer cylinder tip, has saved the loaded down with trivial details that middle chamfer milling cutter need be changed, has promoted machining efficiency.

Further, in order to ensure the processing quality for chamfering, a chip discharge groove 112 is provided on the fixed table 11 near the chamfering edge 111 to smoothly discharge chips.

Further, the declination angle α is selected in the range of 1 ° to 5 °. The size of the deflection angle alpha can be selected according to the diameter of the outer cylinder to be processed or the material of the outer cylinder to be processed, or the design of the rear angle of the cutter head is matched, so that the application range is widened.

Further, the tool bit 2 is connected on the fixed station 11 in a welding mode, and connection stability is guaranteed.

Further, two cooling holes 12 are provided in the cutter body 1. The cooling hole 12 is parallel to the central axis of the cutter body 1. The cooling holes 12 are aligned with the cutting edge 2 and the cutting portion of the chamfer edge 111, so as to facilitate cooling during machining.

Further, the cutter body 1 can be made of hard alloy, alloy steel or the like to ensure the supporting strength for the cutter head 2.

The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the technical solution of the utility model or to apply the concept and technical solution of the utility model directly to other occasions without modification.

Claims

1. A PCD composite set knife for processing a cylindrical surface comprises a knife body, two fixed stations arranged at the end part of the knife body and a knife head made of PCD materials and connected to the fixed stations, and is characterized in that the two fixed stations are positioned at the end part of the knife body and are in axial symmetry distribution relative to the central axis of the knife body, and the two knife heads are respectively positioned at the end parts of the two fixed stations far away from the knife body and are in axial symmetry distribution relative to the central axis of the knife body; the end part of the fixed table far away from the tool bit is integrally provided with a chamfer edge; and one side of the front end blade of the cutter head, which is close to the central axis of the cutter body, is provided with a deflection angle.

2. The PCD composite set tool for machining a cylindrical surface according to claim 1, wherein a chip removal groove is formed in the fixed table at a position close to the chamfer edge.

3. A PCD composite set for machining cylindrical surfaces as claimed in claim 1, characterised in that the angle is selected in the range 1 ° to 5 °.

4. The PCD composite set tool for machining a cylindrical surface according to claim 1, wherein the tool bit is connected with the fixed table by welding.

5. A PCD composite set tool for machining a cylindrical surface according to any one of claims 1 to 4, wherein a number of cooling holes corresponding to the number of the cutter bits are provided in the tool body, and the cooling holes are aligned with the cutter bits and the cutting positions of the chamfering edges.

6. The PCD composite set tool for machining a cylindrical surface according to any one of claims 1 to 4, wherein the tool body is made of hard alloy.

7. The PCD composite set tool for machining a cylindrical surface according to any one of claims 1 to 4, wherein the tool body is made of alloy steel.