CN217832017U

CN217832017U - Superhard face milling cutter capable of regulating roughness and precision flatness

Info

Publication number: CN217832017U
Application number: CN202222261983.7U
Authority: CN
Inventors: 恽剑; 邓绿化
Original assignee: Shenzhen Haizhou Cnc Machinery Tool Co ltd
Current assignee: Shenzhen Haizhou Cnc Machinery Tool Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-18
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a face milling cutter technical field, the utility model discloses a super hard face milling cutter of roughness precision flatness can be regulated and control, including the blade disc with set up in the handle of a knife of blade disc one end, blade disc outer wall surface sets up a plurality of PCD cutter holder grooves that are equidistant annular distribution, PCD cutter holder inslot portion is through cutter holder locking lock screw fixed mounting PCD cutter holder, PCD cutter holder one end is provided with the blade; the utility model discloses a cutter holder with adjustable PCD cutter holder designs into, with the split type structure of blade disc, simple and convenient regulation structure, can finely tune at 0.5mm within range, whole dish blade can easily be adjusted to within 0.003mm precision, with net sword blade and smoothing blade, reach required surperficial Ra value, roughness and the surface finish that can satisfy the requirement, a sword contour machining has been realized, the roughness and the dimensional tolerance of machined product have been guaranteed, machining process and tool changing time have been reduced, machining efficiency and reduction cutter cost have been improved.

Description

Superhard face milling cutter capable of regulating roughness and precision flatness

Technical Field

The utility model relates to a face milling cutter technical field specifically is can regulate and control super hard face milling cutter of roughness precision flatness.

Background

The end face and the excircle of the face milling cutter, which are perpendicular to the cutter bar, are provided with cutting edges, and the face milling cutter is mainly used for milling planes. The cutting edge of excircle is the main cutting edge, and the cutting edge of terminal surface plays the same effect with the scraper, and face milling cutter compares with shell type end milling cutter, and its cutting part is shorter.

However, when the conventional face milling cutter in the market is used, only a single type of cutting edge is provided, and when the roughness of machining needs to be adjusted, the cutting edge needs to be replaced, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can regulate and control super hard face milling cutter of accurate plane degree of roughness to solve traditional face milling cutter when using, only possess the cutting edge of single model, when the roughness of needs adjustment processing, still need change the cutting edge, thereby reduced work efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: can regulate and control super hard face milling cutter of accurate plane degree of roughness, including the blade disc with set up in the handle of a knife of blade disc one end, a plurality of PCD cutter holder grooves that are equidistant annular and distribute are seted up to blade disc outer wall surface, PCD cutter holder inslot portion has the PCD cutter holder through cutter holder locking lock screw fixed mounting, PCD cutter holder one end is provided with the blade, the blade includes net sword blade and smoothing blade, a plurality of axial adjustment holes that are equidistant annular and distribute are seted up on blade disc outer wall surface, it has cutter holder axial adjusting screw to peg graft to the downthehole portion of axial adjustment.

Preferably, a cavity is formed in the cutter head and serves as a main cooling channel, a cutter head locking bolt is arranged at one end of the cutter head, the cutter handle and the cutter head locking bolt are connected through a hollow cooling water passing screw, and a plurality of inner cooling holes are formed in the center of the cutter head locking bolt.

Preferably, a balance groove is formed in one side of the outer wall of the cutter handle, and a dynamic balance block is fixedly mounted in the balance groove through a dynamic balance screw.

Preferably, a first threaded hole is formed in the center of the bottom end of the PCD tool holder, a hexagonal flat end fastening screw is installed in the first threaded hole in a threaded mode, and a second threaded hole matched with the hexagonal flat end fastening screw is formed in the surface of one end of the PCD tool holder.

Preferably, the net blade edge and the smoothing blade edge are made of PCD.

Preferably, the net blade cutting edge and the smoothing cutting edge are distributed in a mutually staggered mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a cutter holder with adjustable PCD cutter holder designs into, with the split type structure of blade disc, simple and convenient regulation structure, can finely tune at 0.5mm within range, whole dish blade can easily be adjusted to within 0.003mm precision, with net sword blade and smoothing blade, reach required surperficial Ra value, roughness and the surface finish that can satisfy the requirement, a sword contour machining has been realized, the roughness and the dimensional tolerance of machined product have been guaranteed, machining process and tool changing time have been reduced, machining efficiency and reduction cutter cost have been improved.

Drawings

FIG. 1 is a perspective view of the superhard face milling cutter with adjustable roughness and precision flatness of the utility model;

FIG. 2 is a top view of the superhard face milling cutter of the precision flatness of the roughness adjustable and controllable of the utility model

FIG. 3 is a side view of the ultra-hard face milling cutter of the present invention with adjustable roughness and precision flatness;

FIG. 4 is an exploded view of the superhard face milling cutter with adjustable roughness and precision flatness of the present invention;

FIG. 5 is a schematic view of the structure of the net blade of the superhard face milling cutter with adjustable roughness and precision flatness of the utility model;

figure 6 is the utility model discloses can regulate and control super hard face milling cutter's of roughness precision flatness sleeking blade structure schematic diagram.

In the figure: 10-a cutter head; 11-PCD toolholder slots; 12-net blade edge; 13-smoothing the cutting edge; 14-axial tool holder adjustment screw; 15-tightening a set screw at the hexagonal flat end; 16-knife clamp locking screw; 17-PCD toolholder; 20-a knife handle; 30-cutter head locking bolts; 31-internal cooling holes; 40-dynamic balance weight; 41-dynamic balance screw.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: super hard face milling cutter of accurate plane degree of roughness can be regulated and control, including blade disc 10 and fixed mounting in the handle of a knife 20 of blade disc 10 one end, a plurality of PCD tool holder grooves 11 that are equidistant annular distribution are seted up on the surface of blade disc 10 outer wall, PCD tool holder groove 11 is inside to have PCD tool holder 17 through 16 fixed mounting of tool holder locking lock screw, PCD tool holder 17 one end is provided with the blade, the blade has adopted RG9 equipment sharpening technology cooperation ceramic bond diamond grinding wheel to carry out precision grinding processing thereby guaranteed stable blade quality and precision, the blade includes net sword blade 12 and smoothing blade 13, net sword blade 12 and smoothing blade 13 are crisscross distribution each other, a plurality of axial alignment holes that are equidistant annular distribution are seted up on the surface of blade disc 10 outer wall, the axial alignment hole is linked together with PCD tool holder groove 11, it has tool holder axial adjustment screw 14 to peg graft inside the axial alignment hole, 14 tip and the contact of PCD tool holder axial adjustment screw 17 slope.

In this embodiment, specifically, the tool shank 20 is made of H13 steel as HSKA63, and the quenching hardness of the tool shank 20 is HRC50-55.

Furthermore, one-knife forming processing is realized, the surface roughness and the dimensional tolerance of a processed product are ensured, the processing procedure and the knife changing time are reduced, the processing efficiency is improved, and the cost of the knife is reduced.

The cutter head 10 is internally provided with a cavity serving as a main cooling channel, one end of the cutter head 10 is provided with a cutter head locking bolt 30, the end face of the cutter head locking bolt 30 is provided with an inner cooling guide angle design, the cutter handle 20 and the cutter head locking bolt 30 are connected through a hollow cooling water passing screw, the center of the cutter head locking bolt 30 is provided with four inner cooling holes 31, and the cutter head locking bolt 30 is designed to supply internal cooling liquid which directly reaches a cutter point.

Wherein, the balance groove has been seted up to handle of a knife 20 outer wall one side, and the balance groove is inside to be fixed mounting through dynamic balance screw 41 has the dynamic balance 40, and the cutter has the dynamic balance to handle, balanced facing cutter and have perfect radial runout precision.

The PCD cutter holder 17 is fixedly installed in the PCD cutter holder groove 11 through the cooperation of the hexagonal flat end fastening screw 15 and the first threaded hole.

Wherein, net sword blade 12 specifically adopts the PCD preparation with smoothing blade 13, uses PCD (polycrystalline diamond) to obtain as the cutting edge and has high life, is difficult for forming long-pending bits tumour in blade department in the course of working simultaneously, guarantees that the chip removal is smooth and easy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Can regulate and control super hard face milling cutter of accurate plane degree of roughness, including blade disc (10) with set up in handle of a knife (20) of blade disc (10) one end, blade disc (10) outer wall surface sets up a plurality of PCD cutter holder grooves (11) that are equidistant annular and distribute, PCD cutter holder groove (11) inside has PCD cutter holder (17), its characterized in that through cutter holder locking lock screw (16) fixed mounting: PCD cutter holder (17) one end is provided with the blade, the blade includes net sword blade (12) and repaiies smooth blade (13), a plurality of axial adjustment holes that are equidistant annular distribution are seted up to blade disc (10) outer wall surface, it has cutter holder axial adjusting screw (14) to peg graft inside the axial adjustment hole.

2. A roughness controllable precision flatness ultra-hard face mill as claimed in claim 1, wherein: the cutter head is characterized in that a cavity is formed in the cutter head (10) and serves as a main cooling channel, a cutter head locking bolt (30) is arranged at one end of the cutter head (10), the cutter handle (20) and the cutter head locking bolt (30) are connected through a hollow cooling water passing screw, and a plurality of inner cooling holes (31) are formed in the center of the cutter head locking bolt (30).

3. A roughness controllable precision flatness ultra-hard face mill as claimed in claim 1, wherein: a balance groove is formed in one side of the outer wall of the cutter handle (20), and a dynamic balance block (40) is fixedly mounted in the balance groove through a dynamic balance screw (41).

4. A roughness controllable precision flatness ultra-hard face mill as claimed in claim 1, wherein: a first threaded hole is formed in the center of the bottom end of the PCD tool holder groove (11), a hexagonal flat end fastening screw (15) is installed in the first threaded hole in a threaded mode, and a second threaded hole matched with the hexagonal flat end fastening screw (15) is formed in the surface of one end of the PCD tool holder (17).

5. A roughness controllable precision flatness ultra-hard face mill as claimed in claim 1, wherein: the net blade cutting edge (12) and the smoothing cutting edge (13) are made of PCD.

6. A roughness controllable precision flatness ultra-hard face mill as claimed in claim 1, wherein: the net blade cutting edge (12) and the smoothing cutting edge (13) are distributed in a mutually staggered mode.