CN214053971U

CN214053971U - Taper shank thread milling cutter for machining aero-engine

Info

Publication number: CN214053971U
Application number: CN202022875732.9U
Authority: CN
Inventors: 唐伟; 吕亚峰
Original assignee: Changzhou Jince Jinggong Technology Co ltd
Current assignee: Changzhou Jince Jinggong Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-27
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a taper shank thread milling cutter for aero-engine machining, which comprises a taper shank, a connecting head, a cutter seat, a through hole, a bolt, a screw hole, a self-tapping screw, a mounting head, a cutter head and a chip removal groove , mounting slots, mounting holes, screws, blades and centering. The beneficial effects of the utility model are as follows: the cutter head and the taper shank are made of tungsten carbide hard alloy material, which is convenient to improve the hardness of the cutter; For the milling efficiency of the cutter, there are two corresponding mounting holes, and the cutter head and the cutter blade are detachably connected by screws, which is easy to replace the cutter blade. , to prevent the accumulation of waste chips from affecting the milling accuracy, the connection between the cutter head and the blade and the connection between the cutter seat and the mounting head are provided with non-slip rubber gaskets, which are convenient for the connection to be tightened and prevent loosening and falling off during the milling process. Danger.

Description

Taper shank thread milling cutter for machining aero-engine

Technical Field

The utility model relates to a milling cutter specifically is a taper shank thread milling cutter for aeroengine processing belongs to machining cutter technical field.

Background

Tools are tools used in machining for cutting machining, basically for cutting metal materials, and are classified according to the form of the machined surface of a workpiece into: milling tools, such as tools for machining various outer surfaces, hole machining tools, thread machining tools, gear machining tools, cutting tools, etc., are becoming more and more important in the field of machining, and have gradually replaced to some extent other machining methods such as turning, drilling, etc., while milling tools are rotating tools for milling, having one or more cutter teeth that in turn intermittently cut off the allowance of a workpiece during operation, and milling tools are mainly used for machining planes, steps, grooves, formed surfaces, cutting off workpieces, etc., on milling machines.

The existing milling cutter is simple in structure, the hardness of materials used by the cutting edge is low, high-temperature oxidation resistance and wear resistance are easily reduced when the cutting edge is used for a long time, and the existing thread milling cutter is not provided with a chip removal groove, so that waste materials cut off are not convenient to discharge along with a rotating blade when the milling cutter works, and chip removal efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a taper shank thread milling cutter for aeroengine processing in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a taper shank thread milling cutter for processing an aircraft engine comprises a taper shank, a connector, a cutter holder, a through hole, a bolt, a screw hole, a self-tapping screw, an installing head, a cutter head, a chip groove, an installing hole, a screw, a cutting edge and a centering; the taper shank, the tool apron, the tool bit and the cutting edge form a main body structure of the milling cutter, a connector is fixedly arranged at the center of the upper end of the taper shank, the connector is inserted in the tool apron, through holes are arranged on two sides of the tool apron, bolts are arranged inside the through holes, the connector is fixedly connected with the tool apron through a bolt, screw holes are respectively arranged on two sides of the upper end of the tool apron, the screw hole is internally matched with a self-tapping screw in a threaded manner, the tool apron is fixedly connected with an installation head through the self-tapping screw, a tool bit is fixedly arranged at the lower end of the taper shank, mounting grooves are arranged on two sides of the tool bit, a chip groove arranged on the tool bit is arranged between the two mounting grooves, the mounting groove is provided with a mounting hole, a screw is connected in the mounting hole in a threaded manner, the cutter head is fixedly connected with a cutting edge through the screw, and the axis position in the lower end of the cutter head is fixedly provided with a centering.

Preferably, in order to improve the hardness of the cutter and prolong the service life of the cutter, the cutter head and the taper shank are made of tungsten carbide rigid alloy materials, so that the hardness of the cutter is improved.

Preferably, in order to improve the milling efficiency of the thread milling cutter, four cutting edges are arranged, and the adjacent cutting edges are at a right angle of 90 degrees.

Preferably, for the convenience of changing the cutting edge, practice thrift use cost, the mounting hole should all be equipped with two, and tool bit and cutting edge pass through the screw and are detachable connection.

Preferably, in order to facilitate the sweeps that produce to milling process in the clearance, prevent that the sweeps from piling up and cause the influence to milling the accuracy, the chip groove is provided with many, and encircles the outside surface that sets up at the tool bit.

Preferably, in order to facilitate the connection and fasten the connection, the milling process is prevented from loosening and falling to cause danger, and anti-skid rubber gaskets are arranged at the connection part of the tool bit and the cutting edge and the connection part of the tool apron and the mounting head.

The utility model has the advantages that: this a taper shank thread milling cutter for aeroengine processing reasonable in design, tool bit and taper shank are made by the rigid alloy material of tungsten carbide, be convenient for improve the hardness of cutter, the life of extension cutter, the cutting edge is provided with four, and adjacent cutting edge is 90 right angles, be convenient for improve this thread milling cutter's milling efficiency, the mounting hole should all be equipped with two, and tool bit and cutting edge are detachable connection through the screw, be convenient for change the cutting edge, practice thrift use cost, the chip groove is provided with many, and encircle the outside surface that sets up at the tool bit, be convenient for clear up the sweeps that the milling in-process produced, prevent that the sweeps from piling up and causing the influence to milling the accuracy, the junction of tool bit and cutting edge and blade holder and installation head all is provided with anti-skidding rubber gasket, be convenient for connect more fastening, prevent to mill the in-process not hard up and drop and cause danger.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the self-tapping screw of the present invention;

fig. 3 is a schematic view of the structure of the tool bit of the present invention.

In the figure: 1. taper shank, 2, connector, 3, tool apron, 4, through hole, 5, bolt, 6, screw hole, 7, self-tapping screw, 8, mounting head, 9, tool bit, 10, chip groove, 11, mounting groove, 12, mounting hole, 13, screw, 14, cutting edge and centering 15.

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.

Referring to fig. 1 to 3, a taper shank thread milling cutter for machining an aircraft engine includes a taper shank 1, a connector 2, a tool apron 3, a through hole 4, a bolt 5, a screw hole 6, a self-tapping screw 7, an installation head 8, a tool bit 9, a chip groove 10, an installation groove 11, an installation hole 12, a screw 13, a blade 14 and a centering 15; the taper shank 1, the tool apron 3, the tool bit 9 and the cutting edge 14 form a main body structure of the milling cutter, a connector 2 is fixedly installed at the central position of the upper end of the taper shank 1, the connector 2 is inserted into the tool apron 3, through holes 4 are formed in two sides of the tool apron 3, bolts 5 are arranged inside the through holes 4, the connector 2 is fixedly connected with the tool apron 3 through the bolts 5, screw holes 6 are respectively formed in two sides of the upper end of the tool apron 3, self-tapping screws 7 are connected in the screw holes 6 in a matched threaded manner, an installing head 8 is fixedly connected with the tool bit 3 through the self-tapping screws 7, the tool bit 9 is fixedly installed at the lower end of the taper shank 1, installing grooves 11 are formed in two sides of the tool bit 9, chip discharge grooves 10 formed in the tool bit 9 are formed between the two installing grooves 11, installing holes 12 are formed in the installing grooves 11, and screws 13 are connected with the threads in the installing holes 12, the cutter head 9 is fixedly connected with a cutting edge 14 through a screw 13, and a centering 15 is fixedly arranged at the axial line position in the lower end of the cutter head 9.

The tool bit 9 and the taper shank 1 are made of tungsten carbide rigid alloy materials, so that the hardness of the tool is improved, the service life of the tool is prolonged, four cutting edges 14 are arranged, and the adjacent cutting edges 14 are at right angles of 90 degrees, which is convenient for improving the milling efficiency of the thread milling cutter, two mounting holes 12 are correspondingly arranged, the cutter head 9 and the cutting edge 14 are detachably connected through a screw 13, the cutting edge 14 is convenient to replace, the use cost is saved, a plurality of chip grooves 10 are arranged, and is arranged on the outer side surface of the cutter head 9 in a surrounding way, which is convenient for cleaning the waste chips generated in the milling process, prevents the waste chips from accumulating to influence the milling precision, the joint of the tool bit 9 and the cutting edge 14 and the joint of the tool apron 3 and the mounting head 8 are provided with anti-skid rubber gaskets, so that the connection is more firm, and the risk caused by loosening and falling in the milling process is prevented.

The working principle is as follows: when the taper shank thread milling cutter for machining the aircraft engine is used, the lower end of a cutting edge 14 is firstly placed in a mounting groove 11 of a cutter head 9, one end with the cutting edge 14 is placed outside the cutter head 9 and is aligned with a mounting hole 12 on the cutter head 9, the cutting edge 14 and the cutter head 9 are fixedly connected through a screw 13, then the taper shank 1 and a cutter holder 3 are connected through a mounting head 2, after connection, the cutter holder 3 and the mounting head 8 are fixedly connected through a self-tapping screw 7, finally, the mounting head 8 and a machine tool connecting part are connected, after milling is completed, the cutting edge 14 can be replaced through loosening the screw 13 according to the abrasion degree of the cutting edge 14, and the use cost is greatly saved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 taper shank thread milling cutter for aero-engine machining, characterized in that: it comprises a taper shank (1), a connector (2), a tool seat (3), a through hole (4), a bolt (5), Screw hole(6), self-tapping screw(7), installation head(8), cutter head(9), chip removal groove(10), installation groove(11), installation hole(12), screw(13), blade (14) and centering (15); the taper shank (1), the tool seat (3), the cutter head (9) and the cutting edge (14) constitute the main structure of the milling cutter. A connecting head (2) is fixedly installed at the center of the upper end, the connecting head (2) is inserted into the knife seat (3), and two sides of the knife seat (3) are provided with through holes (4), and the through holes A bolt (5) is provided inside the (4), the connecting head (2) and the knife seat (3) are fixedly connected by the bolt (5), and the two sides of the upper end of the knife seat (3) are respectively provided with screw holes (6), a self-tapping screw (7) is threaded in the screw hole (6), and a mounting head (8) is fixedly connected to the knife holder (3) through the self-tapping screw (7). The lower end of (1) is fixedly installed with a cutter head (9), two sides of the cutter head (9) are provided with installation grooves (11), and a cutter head (11) is provided between the two installation grooves (11). 9) on the chip removal groove (10), the mounting groove (11) is provided with a mounting hole (12), the mounting hole (12) is internally threaded with a screw (13), and the cutter head (9) The cutting edge (14) is fixedly connected by the screw (13), and the central axis position of the lower end of the cutting head (9) is fixedly provided with a centering (15).

2. A taper shank thread milling cutter for aeroengine machining according to claim 1, characterized in that: the cutter head (9) and the taper shank (1) are made of tungsten carbide hard alloy material .

3. A taper shank thread milling cutter for aero-engine machining according to claim 1, characterized in that: there are four cutting edges (14), and the adjacent cutting edges (14) are at a right angle of 90°.

4. A taper shank thread milling cutter for aero-engine machining according to claim 1, characterized in that: the mounting holes (12) are provided with two correspondingly, and the cutter head (9) and the cutter edge ( 14) Removably connected by screws (13).

5. A taper shank thread milling cutter for aero-engine machining according to claim 1, characterized in that: the chip flutes (10) are provided with a plurality of, and are arranged around the edge of the cutter head (9). outer surface.

6. A taper shank thread milling cutter for aero-engine machining according to claim 1, characterized in that: the joint between the cutter head (9) and the blade (14) and the cutter seat (3) and the installation The joints of the heads (8) are provided with non-slip rubber gaskets.