CN213104713U

CN213104713U - Welding type PCD milling cutter for rough and finish machining

Info

Publication number: CN213104713U
Application number: CN202021748936.XU
Authority: CN
Inventors: 刘晓明
Original assignee: SHENZHEN XINYUNXIANG PRECISION CUTTING TOOLS CO Ltd
Current assignee: SHENZHEN XINYUNXIANG PRECISION CUTTING TOOLS CO Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-04
Anticipated expiration: 2030-08-20

Abstract

A welding type PCD milling cutter for rough and finish machining belongs to the technical field of metal cutting machining. The cutter arbor is connected the tool bit, and first PCD milling cutter piece, second PCD milling cutter piece and third PCD milling cutter piece are connected respectively to the outer circumference of tool bit, and the left end of first PCD milling cutter piece is 1.5mm apart from the outer arc center of blade, and the left end of second PCD milling cutter piece is 2mm apart from the outer arc center of blade, and the left end of third PCD milling cutter piece is 2.5mm apart from the outer arc center of blade, and the blade size of first PCD milling cutter piece is: the outer arc of the cutting edge is 0.5mm, the inner arc of the cutting edge is 0.5mm, and the outer arc of the cutting edge and the inner arc of the cutting edge of the first PCD milling cutter blade, the second PCD milling cutter blade and the third PCD milling cutter blade are staggered with each other. The utility model discloses the blade of first PCD milling cutter piece, second PCD milling cutter piece and third PCD milling cutter piece staggers and can improve machining efficiency and quality.

Description

Welding type PCD milling cutter for rough and finish machining

Technical Field

The utility model belongs to the technical field of metal cutting processing, a welding formula is PCD milling cutter for rough and finish machining is related to.

Background

In conventional metal cutting machining, particularly in machining of aluminum alloys, the amount of metal removed tends to be large. Cemented carbide tools are now commonly used for machining. Polycrystalline diamond (PCD) materials are the currently known cutter materials with the highest hardness, the wear resistance of the PCD materials is far higher than that of hard alloy cutter materials, particularly in the processing of aluminum alloy, but the processing effect of the current cutters is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem that prior art exists to a welding formula is PCD milling cutter for rough and finish machining is provided.

The problems in the prior art are solved by the following technical scheme: the utility model provides a welded type is PCD milling cutter for rough and finish machining, the cutter arbor is connected the tool bit, first PCD milling cutter piece, second PCD milling cutter piece and third PCD milling cutter piece are connected respectively to the outer circumference of tool bit, the left end of first PCD milling cutter piece is 1.5mm apart from the outer arc center of blade, the left end of second PCD milling cutter piece is 2mm apart from the outer arc center of blade, the left end of third PCD milling cutter piece is 2.5mm apart from the outer arc center of blade, the blade size of first PCD milling cutter piece is: the outer arc of the cutting edge is 0.5mm, the inner arc of the cutting edge is 0.5mm, the second PCD milling blade and the outer arc of the cutting edge of the first PCD milling blade are identical in structure with the inner arc of the cutting edge, the third PCD milling blade and the outer arc of the cutting edge of the first PCD milling blade are identical in structure with the inner arc of the cutting edge, the outer arc of the cutting edge and the inner arc of the cutting edge of the first PCD milling blade, the second PCD milling blade and the third PCD milling blade are staggered with each other, the left end of the first PCD milling blade is provided with an angle of 5 degrees, the polishing edge is 0.5mm, and the left ends of the second PCD milling blade and the third PCD milling blade are also provided with an angle of 5 degrees and the polishing edge is 0.5 mm.

The outer arc of the cutting edge is in smooth transition connection with the inner arc of the cutting edge, and the structure is sinusoidal.

And the tool nose arcs are respectively arranged at the tool noses at the left ends of the first PCD milling blade, the second PCD milling blade and the third PCD milling blade.

The utility model has the advantages that in the processing of surplus is got rid of to the big depth of cut of aluminum alloy material, in order to reduce the cutting resistance, reduce the length of aluminium bits, make the curvilinear blade with the PCD cutting edge to reach the light and fast purpose of cutting. The cutting edges of the first PCD milling blade, the second PCD milling blade and the third PCD milling blade are staggered, so that the processing efficiency and the quality can be improved.

In the plane processing, in order to improve the quality of a processed surface, the end teeth of the PCD milling cutter are provided with smoothing blades, and in order to further improve the smoothness of the processed surface and enhance the strength of the tool tip of the PCD milling cutter, a tool tip arc is arranged at the tool tip. Meanwhile, the impact resistance of the PCD milling cutter is improved.

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. As shown in the figure:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the first tooth structure of the present invention.

Fig. 3 is a schematic view of a second tooth structure of the present invention.

Fig. 4 is a schematic view of a third tooth structure of the present invention.

Fig. 5 is a schematic side view of the present invention.

Fig. 6 is a schematic view of the tooth overlapping structure of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: as shown in fig. 1, 2, 3, 4, 5, and 6, a welded PCD milling cutter for rough machining has a configuration shown in fig. 1. The cutting edge of the PCD cutter is designed in a sinusoidal fashion with each tooth offset by 1/3 pitch. The distribution of each tooth and the end tooth structure are shown in fig. 2, 3 and 4. The curved cutting edges of each tooth overlap each other during operation, and the overlapping condition is shown in fig. 6.

The utility model provides a welded type is PCD milling cutter for rough and finish machining, cutter arbor 1 connects tool bit 2, first PCD milling cutter piece 3, second PCD milling cutter piece 4 and third PCD milling cutter piece 5 are connected respectively to the outer circumference of tool bit 2, the left end of first PCD milling cutter piece 3 is 1.5mm from blade outer circular arc center, the left end of second PCD milling cutter piece 4 is 2mm from blade outer circular arc center, the left end of third PCD milling cutter piece 5 is 2.5mm from blade outer circular arc center, the blade size of first PCD milling cutter piece 3 is: the outer arc R of the cutting edge is 0.5mm, the inner arc R of the cutting edge is 0.5mm, and the outer arc of the cutting edge is in smooth transition connection with the inner arc of the cutting edge, and is of a sinusoidal structure.

The structure of the outer arc of the cutting edge and the inner arc of the cutting edge of the second PCD milling blade 4 is the same as that of the first PCD milling blade 3, the structure of the outer arc of the cutting edge and the inner arc of the cutting edge of the third PCD milling blade 5 is the same as that of the first PCD milling blade 3, the structure of the outer arc of the cutting edge and the inner arc of the cutting edge of the first PCD milling blade 3, the second PCD milling blade 4 and the third PCD milling blade 5 are staggered with each other, the schematic structure is shown in figure 6, the left end of the first PCD milling blade 3 has an angle of 5 degrees and the flat cutting edge is 0.5mm, and the left ends of the second PCD milling blade 4 and the third PCD milling blade 5 also have an angle of 5 degrees and the flat cutting edge is 0.5.

The left ends of the first PCD milling blade 3, the second PCD milling blade 4 and the third PCD milling blade 5 are respectively provided with a tool nose arc R of 0.5 mm.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a welded type is PCD milling cutter for rough machining, its characterized in that cutter arbor connects the tool bit, first PCD milling cutter piece, second PCD milling cutter piece and third PCD milling cutter piece are connected respectively to the outer circumference of tool bit, the left end of first PCD milling cutter piece is 1.5mm from the outer arc center of blade, the left end of second PCD milling cutter piece is 2mm from the outer arc center of blade, the left end of third PCD milling cutter piece is 2.5mm from the outer arc center of blade, the blade size of first PCD milling cutter piece is: the outer arc of the cutting edge is 0.5mm, the inner arc of the cutting edge is 0.5mm, the second PCD milling blade and the outer arc of the cutting edge of the first PCD milling blade are identical in structure with the inner arc of the cutting edge, the third PCD milling blade and the outer arc of the cutting edge of the first PCD milling blade are identical in structure with the inner arc of the cutting edge, the outer arc of the cutting edge and the inner arc of the cutting edge of the first PCD milling blade, the second PCD milling blade and the third PCD milling blade are staggered with each other, the left end of the first PCD milling blade is provided with an angle of 5 degrees, the polishing edge is 0.5mm, and the left ends of the second PCD milling blade and the third PCD milling blade are also provided with an angle of 5 degrees and the polishing edge is 0.5 mm.

2. The welded PCD milling cutter set forth in claim 1, wherein the outer arc of the cutting edge is smoothly blended with the inner arc of the cutting edge in a sinusoidal configuration.

3. The welded-type PCD milling cutter for rough and finish machining according to claim 1, wherein the left-end tips of the first PCD milling cutter insert, the second PCD milling cutter insert and the third PCD milling cutter insert are provided with tip arcs respectively.