CN216028342U

CN216028342U - PCBN cutter with composite coating triangular blade

Info

Publication number: CN216028342U
Application number: CN202122369117.5U
Authority: CN
Inventors: 曹忠亮; 鄂福大
Original assignee: Changzhou Jiahong Intelligent Technology Co ltd
Current assignee: Changzhou Jiahong Intelligent Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a PCBN cutter with a composite coating triangular blade. The utility model has the beneficial effects that: milling cutter blade adopts the preparation of PCBN material to constitute the triangle-shaped structure, and it has one deck composite coating to spray on milling cutter blade's surface, guarantee milling cutter blade's whole rigidity and wearability, the center department of cassette is the indent formula and is provided with the triangle-shaped draw-in groove, and run through on the lateral wall of cassette and be provided with the fixed orifices, it is provided with the through-hole to run through on the milling cutter blade, be provided with fastening screw in fixed orifices and the through-hole, fastening screw's tail end is twisted soon and is twisted and lock there is the nut, make the staff can change its quick split after milling cutter blade damages, avoid causing unnecessary economic loss, the top of spliced pole is provided with the hole for water spraying, and the inside of spliced pole is provided with the water injection chamber, the hole for water spraying link up with the water injection chamber, spray the washing liquid through the hole for water spraying, and then the sweeps that will produce when milling are washed fast.

Description

PCBN cutter with composite coating triangular blade

Technical Field

The utility model relates to a PCBN cutter, in particular to a PCBN cutter with a composite coating triangular blade, and belongs to the technical field of PCBN cutters.

Background

The PCBN cutter is an artificial cubic boron nitride cutter, can keep the characteristic of high hardness at high temperature, and is mainly used for processing iron parts, the cubic boron nitride is firstly synthesized by American General Electric (GE) company under the conditions of high temperature and high pressure in the 50 th century, the hardness of the cubic boron nitride is second to that of diamond and is far higher than that of other materials, so the cubic boron nitride and the diamond are collectively called as superhard materials, and the PCBN cutter is greatly applied to the manufacture of cutters due to the ultrahigh hardness of the PCBN material, so the PCBN cutter is needed.

However, the existing PCBN cutters mostly have various problems:

1) most of the existing PCBN cutters and milling columns adopt an integrated connection structure, so that after the cutters are damaged, workers cannot split the damaged cutters and replace the damaged cutters independently, and only the whole device can be replaced, thereby causing unnecessary economic loss;

2) the existing PCBN cutter is mostly not provided with a quick clamping and fixing mechanism, so that when the cutter is fixedly connected with a machine tool, a large number of clamping and fixing mechanisms need to be adopted, and the operation is complex, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve the problems and provide a PCBN tool with a composite coated trigonal insert.

The utility model realizes the purpose through the following technical scheme: a PCBN tool with a composite coated trigon insert comprising:

the milling mechanism comprises a milling column, a clamping seat and a milling blade, wherein the milling column forms a main body structure of the PCBN cutter, the clamping seat is fixedly welded on the side wall of the milling column, and the milling blade for milling is fixedly connected in the clamping seat;

coupling mechanism, it comprises spliced pole and locking post, the vertical connection of coupling mechanism is fixed in the bottom of milling the mechanism, the vertical welded fastening of spliced pole is in the bottom of milling the post, the inside of locking post is provided with the cylindrical cavity that the diameter is greater than the spliced pole, the spliced pole connection is fixed in the inside cavity of locking post, and is located the top of the inside of locking post.

As a still further scheme of the utility model: the milling blade is made of PCBN materials to form a triangular structure, and a layer of composite coating is sprayed on the surface of the milling blade.

As a still further scheme of the utility model: the center of the clamping seat is provided with a triangular clamping groove in an inwards concave mode, a fixing hole penetrates through the side wall of the clamping seat, a through hole penetrates through the milling blade, fastening screws are arranged in the fixing hole and the through hole, and nuts are screwed and locked at the tail ends of the fastening screws.

As a still further scheme of the utility model: the top of spliced pole is provided with the hole for water spraying, and the hole for water spraying is all around the left and right sides be symmetrical formula and be provided with four to be provided with the water pipe spliced pole in the bottom of spliced pole, and the inside of spliced pole is provided with the water injection chamber, and the hole for water spraying link up with the water injection chamber.

As a still further scheme of the utility model: the top of locking post is fixed with the cutting ferrule to twist soon on the top of locking post and be connected with the shrink sleeve, and the lateral wall bottom equidistance of spliced pole is provided with the spacing groove, spacing joint of spacing groove and cutting ferrule.

As a still further scheme of the utility model: the bottom of the locking column is horizontally welded and fixed with a fixed disk, the fixed disk is provided with through holes in a penetrating manner, and the four through holes are symmetrically arranged around the center of the fixed disk.

The utility model has the beneficial effects that:

1) the milling blade is made of PCBN materials to form a triangular structure, and a layer of composite coating is sprayed on the surface of the milling blade, so that the overall rigidity and the wear resistance of the milling blade are guaranteed;

2) the center of the clamping seat is provided with a triangular clamping groove in an inwards concave manner, a fixing hole penetrates through the side wall of the clamping seat, a through hole penetrates through the milling blade, fastening screws are arranged in the fixing hole and the through hole, and nuts are screwed and locked at the tail end of the fastening screws, so that a worker can quickly disassemble and replace the milling blade after the milling blade is damaged, and unnecessary economic loss is avoided;

3) the top of the connecting column is provided with four water spraying holes which are symmetrically arranged in front, back, left and right directions, the bottom of the connecting column is provided with a water pipe connecting column, a water injection cavity is arranged inside the connecting column, the water spraying holes are communicated with the water injection cavity, and cleaning liquid is sprayed through the water spraying holes so as to quickly flush waste scraps generated during milling;

4) the top end of the locking column is fixed with a clamping sleeve, the top end of the locking column is connected with a shrinkage sleeve in a screwing mode, the bottom of the side wall of the connecting column is provided with limiting grooves at equal intervals, the limiting grooves are in limiting clamping connection with the clamping sleeve, the clamping sleeve is extruded to shrink through the screwing shrinkage sleeve, and then the connecting column and the locking column are quickly fixed to a proper length through the clamping sleeve;

5) the bottom of the locking column is horizontally welded and fixed with a fixed disk, the fixed disk is provided with through holes in a penetrating manner, and the four through holes are symmetrically arranged around the center of the fixed disk, so that the whole cutter structure can be quickly connected and fixed with a machine tool through the fixed disk.

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 connecting column of the present invention.

In the figure: 1. milling column, 2, clamping seat, 3, clamping groove, 4, fixing hole, 5, milling blade, 6, fastening screw, 7, connecting column, 8, water spray hole, 9, limiting groove, 10, water pipe connecting column, 11, locking column, 12, clamping sleeve, 13, shrink sleeve and 14 and fixing disc.

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 PCBN cutting tool with composite coating triangular blade includes:

the milling mechanism comprises a milling column 1, a clamping seat 2 and a milling blade 5, wherein the milling column 1 forms a main body structure of the PCBN cutter, the clamping seat 2 is fixedly welded on the side wall of the milling column 1, and the milling blade 5 for milling is fixedly connected in the clamping seat 2;

coupling mechanism, it comprises spliced pole 7 and locking post 11, the vertical connection of coupling mechanism is fixed in the bottom of milling the mechanism, the vertical welded fastening of spliced pole 7 is in the bottom of milling post 1, the inside of locking post 11 is provided with the cylindrical cavity that the diameter is greater than spliced pole 7, spliced pole 7 is connected to be fixed in the inside cavity of locking post 11, and is located the top of the inside of locking post 11.

In the embodiment of the utility model, the milling blade 5 is made of PCBN material to form a triangular structure, and a layer of composite coating is sprayed on the surface of the milling blade 5, so that the overall rigidity and the wear resistance of the milling blade 5 are ensured.

In the embodiment of the utility model, the triangular clamping groove 3 is concavely arranged at the center of the clamping seat 2, the side wall of the clamping seat 2 is provided with the fixing hole 4 in a penetrating manner, the milling blade 5 is provided with the through hole in a penetrating manner, the fixing hole 4 and the through hole are internally provided with the fastening screw 6, and the tail end of the fastening screw 6 is screwed and locked with the nut, so that a worker can rapidly disassemble 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, four water spraying holes 8 are symmetrically arranged at the front, the back, the left and the right of the connecting column 7, a water pipe connecting column 10 is arranged at the bottom of the connecting column 7, a water injection cavity is arranged inside the connecting column 7, the water spraying holes 8 are communicated with the water injection cavity, and cleaning liquid is sprayed through the water spraying holes 8, so that waste scraps generated during milling can be quickly washed.

Example two

In the embodiment of the utility model, a cutting sleeve 12 is fixed at the top end of the locking column 11, a shrink sleeve 13 is screwed and connected at the top end of the locking column 11, the bottom of the side wall of the connecting column 7 is equidistantly provided with limit grooves 9, the limit grooves 9 are in limit clamping connection with the cutting sleeve 12, the cutting sleeve 12 is squeezed to shrink by screwing the shrink sleeve 13, and then the connecting column 7 and the locking column 11 are quickly fixed to a proper length through the cutting sleeve 12.

In the embodiment of the utility model, the bottom of the locking column 11 is horizontally welded and fixed with a fixed disk 14, the fixed disk 14 is provided with through holes in a penetrating manner, and the four through holes are symmetrically arranged in a front-back left-right manner by taking the circle center of the fixed disk 14 as the center, so that the whole cutter structure can be quickly connected and fixed with a machine tool through the fixed disk 14.

The working principle is as follows: when using this PCBN cutter, insert spliced pole 7 in the inside cavity of locking post 11 earlier, adjust it with locking post 11 to suitable length after, revolve wrong shrink sleeve 13, extrude cutting ferrule 12 shrink through revolving wrong shrink sleeve 13, and then fix fast between spliced pole 7 and the locking post 11 through cutting ferrule 12, then it is fixed with fixed disk 14 and lathe high-speed joint, and pass the preformed hole on the lathe with water pipe spliced pole 10, then be connected external water pipe and water pipe spliced pole 10, when milling, water jet 8 sprays the washing liquid, and then the sweeps that produces when milling washes fast 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 PCBN tool with a composite coated trigonal insert, comprising:

the milling mechanism comprises a milling column (1), a clamping seat (2) and milling blades (5), wherein the milling column (1) forms a main body structure of the PCBN cutter, the clamping seat (2) is fixedly welded on the side wall of the milling column (1), and the milling blades (5) for milling are fixedly connected in the clamping seat (2);

coupling mechanism, it comprises spliced pole (7) and locking post (11), the vertical connection of coupling mechanism is fixed in the bottom of milling the mechanism, the vertical welded fastening of spliced pole (7) is in the bottom of milling post (1), the inside of locking post (11) is provided with the cylindrical cavity that the diameter is greater than spliced pole (7), spliced pole (7) connection is fixed in the inside cavity of locking post (11), and is located the top of the inside of locking post (11).

2. A PCBN tool with composite coated trigonal inserts as claimed in claim 1, wherein: the milling blade (5) is made of PCBN materials to form a triangular structure, and a layer of composite coating is sprayed on the surface of the milling blade (5).

3. A PCBN tool with composite coated trigonal inserts as claimed in claim 1, wherein: the center of the clamping seat (2) is provided with a triangular clamping groove (3) in an inwards concave mode, a fixing hole (4) penetrates through the side wall of the clamping seat (2), a through hole penetrates through the milling blade (5), fastening screws (6) are arranged in the fixing hole (4) and the through hole, and nuts are screwed and locked at the tail end of the fastening screws (6).

4. A PCBN tool with composite coated trigonal inserts as claimed in claim 1, wherein: the top of spliced pole (7) is provided with hole for water spraying (8), and hole for water spraying (8) are all around the symmetry formula be provided with four to be provided with water pipe spliced pole (10) in the bottom of spliced pole (7), and the inside of spliced pole (7) is provided with the water injection chamber, hole for water spraying (8) link up with the water injection chamber.

5. A PCBN tool with composite coated trigonal inserts as claimed in claim 1, wherein: the top of locking post (11) is fixed with cutting ferrule (12) to twist soon on the top of locking post (11) and be connected with shrink sleeve (13), and the lateral wall bottom equidistance of spliced pole (7) is provided with spacing groove (9), spacing joint of spacing groove (9) and cutting ferrule (12).

6. A PCBN tool with composite coated trigonal inserts as claimed in claim 1, wherein: the bottom of the locking column (11) is horizontally welded and fixed with a fixed disk (14), the fixed disk (14) is provided with through holes in a penetrating mode, and the through holes are symmetrically arranged in a front-back left-right mode by taking the circle center of the fixed disk (14) as the center.