CN216151240U

CN216151240U - A button head milling cutter that is used for aerospace impeller arc outside to polish

Info

Publication number: CN216151240U
Application number: CN202121992855.9U
Authority: CN
Inventors: 刁冰青; 李明
Original assignee: Changzhou Ruisheng Cutting Technology Co ltd
Current assignee: Changzhou Ruisheng Cutting Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-01
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a round-head milling cutter for grinding an arc-shaped outer edge of an aerospace impeller, which comprises a milling column, a milling ball head, a chip removing groove, a fixing hole, a milling blade and a connecting hole. The utility model has the beneficial effects that: the milling column is characterized in that a chip removing groove is formed in the side wall of the milling column, the chip removing groove penetrates through the milling ball head and is of a straight groove structure, the left side and the right side of the chip removing groove are symmetrically arranged, waste chips generated in milling are quickly discharged through the chip removing groove, a milling blade is attached and fixed to the inside of the chip removing groove, connecting holes are formed in the upper end and the lower end of the milling blade in a penetrating mode, water products at the upper end and the lower end of the chip removing groove penetrate through the fixing holes, first fastening bolts are screwed and locked in the fixing holes and the connecting holes, a worker can quickly detach and replace the milling blade after the milling blade is damaged, unnecessary economic loss is avoided, the milling blade is integrally made of a tungsten steel material, a CNC coating is sprayed on the outer side of the milling blade, and the overall rigidity and the abrasion resistance of the milling blade are improved.

Description

A button head milling cutter that is used for aerospace impeller arc outside to polish

Technical Field

The utility model relates to a round-head milling cutter, in particular to a round-head milling cutter for grinding an arc-shaped outer edge of an aerospace impeller, and belongs to the technical field of round-head milling cutters.

Background

The ball end milling cutter is a cutter with a cutting edge similar to a ball head and assembled on a milling machine for milling various curved surfaces and arc grooves, the ball end milling cutter is also called as an R cutter, and the ball end milling cutter is needed to be used for polishing the arc outer edge of the aerospace impeller because the ball end milling cutter is needed to be used for polishing the arc outer edge of the aerospace impeller.

However, most of the existing round-head milling cutters have various problems:

1) most of milling blades and milling columns in the conventional round-head milling cutter adopt an integrated connecting structure, namely, the milling blades cannot be disassembled, so that after the milling blades are damaged, workers cannot quickly replace the milling blades and can only integrally replace the round-head milling cutter, and unnecessary economic loss is caused;

2) the spliced pole on the current ball end milling cutter adopts welded mode to be connected fixedly with ball end milling cutter mostly, leads to the staff can't select the connecting rod and the ball end milling cutter of suitable model to be connected as required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a round-head milling cutter for grinding the arc-shaped outer edge of an aerospace impeller.

The utility model realizes the purpose through the following technical scheme: a ball end mill for aerospace impeller arc edge grinding, comprising:

the fixing mechanism is composed of a milling column and a milling ball head, the milling column of a cylindrical structure used for being connected and fixed forms a main body supporting structure of the round-head milling cutter, and the milling ball head of an oval structure is welded and fixed at the top end of the milling column;

the connecting structure is composed of connecting columns, the connecting mechanism is fixedly connected to the bottom of the fixing mechanism, the connecting columns of the cylindrical structure with the same diameter as the milling columns are vertically fixedly connected to the bottom of the milling columns, and clamping blocks are clamped between the milling columns and the connecting columns.

As a still further scheme of the utility model: the milling machine is characterized in that two chip removing grooves are formed in the side wall of the milling column, penetrate through the milling ball head and are of a straight groove structure, and the left and right sides of each chip removing groove are symmetrically arranged.

As a still further scheme of the utility model: the milling cutter blade is fixedly attached to the inner portion of the chip removing groove, connecting holes are formed in the upper end and the lower end of the milling cutter blade in a penetrating mode, fixing holes are formed in the upper end and the lower end of the chip removing groove in a penetrating mode, and first fastening bolts are screwed and locked in the fixing holes and the connecting holes.

As a still further scheme of the utility model: the milling blade is integrally made of tungsten steel materials, and a CNC coating is sprayed on the outer surface of the milling blade.

As a still further scheme of the utility model: the bottom of the milling column is provided with a first limiting groove, the top end of the connecting column is provided with a second limiting groove, and the clamping block is in limiting clamping connection with the first limiting groove and the second limiting groove.

As a still further scheme of the utility model: the centers of the first limiting groove and the second limiting groove are provided with semicircular grooves, the center of the clamping block horizontally penetrates through the through hole, and a second fastening bolt is screwed and locked in the through hole.

The utility model has the beneficial effects that:

1) the side wall of the milling column is provided with two chip removal grooves which penetrate through the milling ball head and are of a straight groove structure, and the two chip removal grooves are symmetrically arranged on the left and the right, so that waste chips generated during milling are quickly discharged through the chip removal grooves;

2) a milling blade is fixedly attached to the inner part of the chip removing groove, connecting holes are formed in the upper end and the lower end of the milling blade in a penetrating mode, water products at the upper end and the lower end of the chip removing groove are provided with fixing holes in a penetrating mode, and first fastening bolts are screwed and locked in the fixing holes and the connecting holes, so that a worker can quickly detach and replace the milling blade after the milling blade is damaged, and unnecessary economic loss is avoided;

3) the milling blade is integrally made of tungsten steel materials, and a CNC coating is sprayed on the outer surface of the milling blade, so that the integral rigidity and the wear resistance of the milling blade are improved;

4) the bottom of the milling column is provided with a first limiting groove, the top end of the connecting column is provided with a second limiting groove, and a fixture block is in limiting clamping connection in the first limiting groove and the second limiting groove, so that the milling column and the connecting column can be rapidly positioned and butted through the fixture block;

5) the center department of first spacing groove, second spacing groove is provided with semicircular groove, and the center department level of fixture block runs through and is provided with the through-hole, and it has second fastening bolt to twist the locking in the through-hole soon, makes mill the split that post and spliced pole can lock fast and later stage.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a milling insert according to the present invention in a disassembled configuration;

fig. 3 is a schematic view of the structure of the milling column and the connecting column according to the present invention.

In the figure: 1. milling column, 2, milling bulb, 3, chip removing groove, 4, fixed hole, 5, milling blade, 6, connecting hole, 7, first fastening bolt, 8, connecting column, 9, first limiting groove, 10, second limiting groove, 11, clamping block and 12, second fastening bolt.

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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 3, a ball end mill for grinding an arc-shaped outer edge of an aerospace impeller includes:

the fixing mechanism is composed of a milling column 1 and a milling ball head 2, the milling column 1 for connecting and fixing a cylindrical structure forms a main body supporting structure of the round-head milling cutter, and the milling ball head 2 of an oval structure is fixed at the top end of the milling column 1 in a welding mode;

the connecting structure is composed of a connecting column 8, the connecting structure is fixedly connected to the bottom of the fixing mechanism, the connecting column 8 which is of a cylindrical structure and has the same diameter as the milling column 1 is vertically fixedly connected to the bottom of the milling column 1, and a clamping block 11 is clamped between the milling column 1 and the connecting column 8.

In the embodiment of the utility model, the side wall of the milling column 1 is provided with the chip removing grooves 3, the chip removing grooves 3 penetrate through the milling ball head 2 and are of a straight groove structure, the two chip removing grooves 3 are symmetrically arranged on the left and right, and waste chips generated during milling are quickly discharged through the chip removing grooves 3.

In the embodiment of the utility model, the milling blade 5 is fixedly attached to the interior of the chip removing groove 3, the upper end and the lower end of the milling blade 5 are provided with the connecting holes 6 in a penetrating manner, the watery product at the upper end and the lower end of the chip removing groove 3 are provided with the fixing holes 4 in a penetrating manner, and the fixing holes 4 and the connecting holes 6 are internally screwed and locked with the first fastening bolts 7, so that a worker can rapidly detach and replace the milling blade 5 after the milling blade is damaged, and unnecessary economic loss is avoided.

In the embodiment of the utility model, the whole milling insert 5 is made of tungsten steel material, and a CNC coating is sprayed on the outer surface of the milling insert 5, so that the whole rigidity and the wear resistance of the milling insert 5 are improved.

Example two

In the embodiment of the utility model, the bottom of the milling column 1 is provided with a first limiting groove 9, the top end of the connecting column 8 is provided with a second limiting groove 10, and a fixture block 11 is in limiting clamping connection in the first limiting groove 9 and the second limiting groove 10, so that the milling column 1 and the connecting column 8 can be rapidly positioned and butted through the fixture block 11.

In the embodiment of the utility model, semicircular grooves are formed in the centers of the first limiting groove 9 and the second limiting groove 10, a through hole is horizontally formed in the center of the clamping block 11 in a penetrating manner, and a second fastening bolt 12 is screwed and locked in the through hole, so that the milling column 1 and the connecting column 8 can be quickly locked and detached in the later period.

The working principle is as follows: when using this bulb end milling cutter, earlier mill post 1 and spliced pole 8 through the fixture block 11 joint in first spacing groove 9, second spacing groove 10, and then fix a position its two fast, then will mill post 1 and spliced pole 8 locking through second fastening bolt 12 and form a unified whole, if milling blade 5 damages when milling, the staff accessible revolves soon milling blade 5 that first fastening bolt 7 will damage and dismantle fast the change can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A ball end mill that is used for aerospace impeller arc outside to polish which characterized in that includes:

the fixing mechanism is composed of a milling column (1) and a milling ball head (2), the milling column (1) used for connecting and fixing a cylindrical structure forms a main body supporting structure of the round-head milling cutter, and the milling ball head (2) of an oval structure is welded and fixed at the top end of the milling column (1);

the connecting structure is composed of connecting columns (8), the connecting structure is fixedly connected to the bottom of the fixing mechanism, the connecting columns (8) of the cylindrical structure with the same diameter as the milling columns (1) are vertically fixedly connected to the bottom of the milling columns (1), and clamping blocks (11) are clamped between the milling columns (1) and the connecting columns (8).

2. The ball end mill for grinding the arcuate outer edge of an aerospace impeller as claimed in claim 1, wherein: milling and being provided with chip groove (3) on the lateral wall of post (1), chip groove (3) run through to mill bulb (2) and be the straight flute structure, and chip groove (3) left and right sides is the symmetry formula and is provided with two.

3. The ball end mill for grinding the arcuate outer edge of an aerospace impeller as claimed in claim 2, wherein: milling blades (5) are fixedly attached to the inner portions of the chip removing grooves (3), connecting holes (6) are formed in the upper ends and the lower ends of the milling blades (5) in a penetrating mode, fixing holes (4) are formed in the upper ends and the lower ends of the chip removing grooves (3) in a penetrating mode, and first fastening bolts (7) are screwed and locked in the fixing holes (4) and the connecting holes (6).

4. The ball end mill for grinding the arcuate outer edge of an aerospace impeller as claimed in claim 3, wherein: the milling blade (5) is integrally made of tungsten steel materials, and a CNC coating is sprayed on the outer surface of the milling blade (5).

5. The ball end mill for grinding the arcuate outer edge of an aerospace impeller as claimed in claim 1, wherein: the bottom of the milling column (1) is provided with a first limiting groove (9), the top end of the connecting column (8) is provided with a second limiting groove (10), and the clamping block (11) is in limiting clamping connection in the first limiting groove (9) and the second limiting groove (10).

6. The ball end mill for grinding the arcuate outer edge of an aerospace impeller as claimed in claim 5, wherein: the center of the first limiting groove (9) and the center of the second limiting groove (10) are provided with semicircular grooves, the center of the clamping block (11) horizontally penetrates through a through hole, and a second fastening bolt (12) is screwed and locked in the through hole.