CN214134161U

CN214134161U - Aeroengine cutting milling cutter

Info

Publication number: CN214134161U
Application number: CN202022039973.XU
Authority: CN
Inventors: 陈明; 马海善
Original assignee: Jiangsu Haibo Tool Industry Research Institute Co ltd
Current assignee: Jiangsu Haibo Tool Industry Research Institute Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-09-07
Anticipated expiration: 2030-09-16

Abstract

The utility model provides an aeroengine cutting milling cutter, includes handle of a knife, outer housing and cutting edge, the outer housing is cylindric structure, establishes the cavity in the outer housing, the cavity inner wall is connected in the surface of handle of a knife, the outer housing is fixed on the handle of a knife through the welded form, set up the toper structure that makes progress on the handle of a knife, the toper structure upper end that makes progress sets up to small-size cylinder structure, small-size cylinder structure top sets up downward toper structure, set up the several recess in downward toper structure and the toper structure that makes progress, evenly distributed is on it, set up the cutting edge in the recess, the cutting edge is kept away from upward toper structure one end and is outwards stretched out and be higher than the recess, and cutting edge detachable sets up in the recess.

Description

Aeroengine cutting milling cutter

Technical Field

The utility model relates to a milling cutter technical field specifically is an aeroengine cutting milling cutter.

Background

A milling cutter, which is a rotary cutter for milling having one or more cutter teeth that intermittently cut off the allowance of a workpiece in sequence during operation, is mainly used for machining planes, steps, grooves, formed surfaces, cutting off workpieces, and the like on a milling machine, and is broadly divided into: the flat-end milling cutter performs rough milling to remove a large number of blanks and performs small-area flat-surface or contour finish milling; the ball end milling cutter is used for performing curved surface semi-finish milling and finish milling; the small ball end milling cutter can finish mill steep surfaces; the flat-end milling cutter is provided with a chamfer, can perform rough milling to remove a large number of blanks, and can also perform fine milling to obtain a small chamfer on the flat surface; the formed milling cutter comprises a drum-shaped cutter, a tooth-shaped cutter and an inner R cutter; the shape of the chamfering cutter is the same as that of the chamfering cutter, and the chamfering cutter is divided into a milling round chamfer and a bevel chamfer milling cutter; the T-shaped cutter can mill a T-shaped groove; a tooth-shaped cutter for milling various tooth shapes such as gears; a rough skin cutter, a rough milling cutter designed for aluminum-copper alloy cutting, can be rapidly processed.

For example, in the prior art, the name of patent No. CN201921433323.4 is "a metal cutting milling cutter", which includes an installation component, the installation component includes a fixed seat, an installation rod is welded on the upper surface of the fixed seat, a milling cutter holder is installed on one side of the installation component, a locking nut is connected to the circumferential side of the installation rod in a threaded manner, the milling cutter holder is of a cylindrical structure, a regular polygonal hole matched with the fixed seat is formed in the lower end of the milling cutter holder, a plurality of trapezoidal slots are formed in the circumferential side of the milling cutter holder along the annular direction, blades are clamped in the trapezoidal slots, each blade includes a trapezoidal blade holder matched with the trapezoidal slot, and a triangular blade is fixedly connected to one side of the trapezoidal blade holder.

When the metal cutting milling cutter is used, the temperature cannot be timely reduced, the metal cutting milling cutter is easy to break due to overhigh temperature, and the condition of cutter adhesion cannot be avoided

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an aeroengine diversely cuts milling cutter.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aeroengine cutting milling cutter, includes handle of a knife, outer housing and cutting edge, the outer housing is cylindric structure, establishes the cavity in the outer housing, the cavity inner wall is connected with the surface of handle of a knife, handle of a knife one end sets up the outer housing, set up the toper structure that makes progress on the handle of a knife, the toper structure upper end that makes progress sets up to small-size cylinder structure, small-size cylinder structure top sets up downward toper structure, set up the several recess in downward toper structure and the toper structure that makes progress, evenly distributed is on it, set up the cutting edge in the recess, the cutting edge is kept away from the toper structure one end that makes progress and is outwards stretched out and be.

In order to make the better heat dissipation of milling cutter, the utility model discloses the improvement has, cold hole in setting up in the handle of a knife top, interior cold hole contains centre bore and exhaust hole, the centre bore extends to the top to the toper structure direction that makes progress from the handle of a knife bottom, the exhaust hole extends to the handle of a knife top from centre bore top.

In order to strengthen the hardness of milling cutter cutting edge, the utility model discloses the improvement has, the outside of the blade of cutting edge sets up hardness strengthening coating.

In order to facilitate the placement of the cutting edge of the milling cutter, the utility model discloses the improvement has, and a plurality of downward object placing grooves of the surface of the shell cover upper end, object placing groove and cavity intercommunication.

For better fixed milling cutter blade, the utility model discloses the improvement has, recess top both sides installation splint, set up the several screw hole on splint and the cutting edge, set up locking screw on the screw hole, locking screw installs lock nut a bit.

In order to increase the frictional force of splint side, prevent that the cutting edge from removing, the utility model discloses the improvement has, a side surface that both sides splint are close to the recess is provided with the friction particle.

(III) advantageous effects

Compared with the prior art, the utility model provides an aeroengine cutting milling cutter possesses following beneficial effect:

the inner-cooling composite rotary dry type cutting milling cutter with the structure can be used for machining engine components with higher requirements on machining precision, can be formed in one step, and has good surface finish of machined products.

Drawings

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

FIG. 2 is a top view of the present invention;

fig. 3 is an enlarged view of the structure a of the present invention.

In the figure: 1. an outer casing; 2. a knife handle; 3. a blade; 4. a cavity; 5. an upwardly tapering structure; 6. a downward tapered structure; 7. a small cylindrical structure; 8. a groove; 9. an internal cooling hole; 10. a central bore; 11. an exhaust hole; 12. a storage groove; 13. a splint; 14. a screw hole; 15. locking screws; 16. and locking the nut.

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.

Please refer to fig. 1-3, an aeroengine cutting milling cutter comprises a cutter handle 2, an outer casing 1 and a cutting edge 3, wherein the outer casing 1 is of a cylindrical structure, a cavity 4 is arranged in the outer casing 1, the inner wall of the cavity 4 is connected with the outer surface of the cutter handle 2, one end of the cutter handle 2 is provided with the outer casing 1, an upward conical structure 5 is arranged on the cutter handle 2, the upper end of the upward conical structure 5 is provided with a small cylindrical structure 7, the top end of the small cylindrical structure 7 is provided with a downward conical structure 6, the downward conical structure 6 and the upward conical structure 5 are internally provided with a plurality of grooves 8 which are uniformly distributed on the upward conical structure, the cutting edge 3 is arranged in each groove 8, one end of the cutting edge 3, which is far away from the upward conical structure 5, extends outwards to be higher than the groove 8, and the cutting edge 3 is detachably arranged in the groove 8.

Interior cold hole 9 is set up in 2 tops of handle of a knife, interior cold hole 9 contains centre bore 10 and exhaust hole 11, centre bore 10 extends to the top to 5 directions of upwards toper structure from 2 bottoms of handle of a knife, exhaust hole 11 extends to 2 tops of handle of a knife from centre bore 10 tops, makes the heat gathering that milling cutter during operation produced in the exhaust hole, and the heat that decurrent cutting edge produced flows from the centre bore, and the heat that the ascending cutting edge produced flows from the exhaust hole, and is great because of interior cold hole 9, the unable storage of heat in the milling cutter of messenger.

And a hardness reinforcing coating is arranged on the outermost side of the blade of the cutting edge 3 to reinforce the hardness of the cutting edge of the milling cutter.

A plurality of thing grooves 12 of putting downwards of shell cover up end surface, put thing groove 12 and cavity 4 intercommunication, be convenient for place the milling cutter cutting edge.

8 top both sides installation splint 13 of recess, splint 13 and cutting edge 3 are gone up and are set up several screw hole 14, set up locking screw 15 on the screw hole 14, locking nut 16 is installed to 15 one end of locking screw, locks the milling cutter blade better.

The surface of one side of the clamping plates on the two sides, which is close to the groove, is provided with friction particles, so that the friction force on the side surfaces of the clamping plates is increased, and the cutting edge is prevented from moving.

In conclusion, when the milling cutter for aero-engine cutting is used, a worker only needs to install the cutter handle 2 of the milling cutter on the milling machine to start the milling machine, when the cutting edge 3 on the milling cutter is overheated, the inner cooling hole 9 installed in the milling cutter starts to dissipate heat, the heat dissipated by the cutting edge 3 at the upper end is gathered in the exhaust hole 11 and flows out upwards, the heat dissipated by the cutting edge 3 at the lower end is gathered in the central hole 10 and flows out downwards, when the cutting edge 3 is cracked, the worker closes the milling machine, removes the milling cutter, screws off the locking nut 16, pushes the mounting rod towards the direction of the fixing seat, removes the mounting component, screws off the locking screw 15 matched with the cracked cutting edge, takes out the cracked cutting edge 3 from the groove 8, then inserts a new cutting edge 3, screws in the locking screw 15 and screws up, inserts the mounting component into the milling cutter frame, and enables the fixing seat to be tightly matched with the regular polygon in the milling cutter frame, the locking nut 16 is screwed up, so that the situation that when the cutting edge 3 bursts, a worker only needs to replace the cutting edge 3 without replacing the whole milling cutter is realized, the waste is reduced, the production cost is reduced, and the metal cutting milling cutter has higher practicability.

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. The utility model provides an aeroengine cutting milling cutter, includes handle of a knife (2), housing (1) and cutting edge (3), its characterized in that: outer housing (1) is cylindric structure, establishes cavity (4) in outer housing (1), cavity (4) inner wall is connected with the surface of handle of a knife (2), handle of a knife (2) one end sets up outer housing (1), set up upwards toper structure (5) on handle of a knife (2), upwards toper structure (5) upper end sets up to small-size cylinder structure (7), small-size cylinder structure (7) top sets up downwards toper structure (6), downwards toper structure (6) and upwards set up several recess (8) in toper structure (5), evenly distributed is on it, set up cutting edge (3) in recess (8), cutting edge (3) are kept away from upwards toper structure (5) one end and are outwards stretched out and be higher than recess (8), and cutting edge (3) detachable sets up in recess (8).

2. An aircraft engine cutting milling cutter according to claim 1, wherein: interior cold hole (9) are set up in handle of a knife (2) top, interior cold hole (9) contain centre bore (10) and exhaust hole (11), centre bore (10) extend to the top to ascending toper structure (5) direction from handle of a knife (2) bottom, exhaust hole (11) extend to handle of a knife (2) top from centre bore (10) top.

3. An aircraft engine cutting milling cutter according to claim 1, wherein: and a hardness reinforcing coating is arranged on the outermost side of the blade (3).

4. An aircraft engine cutting milling cutter according to claim 1, wherein: the article placing grooves (12) are formed in the upper end surface of the outer shell cover downwards, and the article placing grooves (12) are communicated with the cavity (4).

5. An aircraft engine cutting milling cutter according to claim 1, wherein: recess (8) top both sides installation splint (13), set up several screw hole (14) on splint (13) and cutting edge (3), set up locking screw (15) on screw hole (14), locking nut (16) are installed to locking screw (15) one end.

6. An aircraft engine cutting milling cutter according to claim 5, wherein: and friction particles are arranged on the surface of one side, close to the groove (8), of the two side clamping plates (13).