CN217412588U

CN217412588U - Coating end milling cutter for plane finish machining

Info

Publication number: CN217412588U
Application number: CN202220917882.8U
Authority: CN
Inventors: 谢亚平; 谢卫芬
Original assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Current assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-13
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a be used for finish machining's in plane coating end mill, including cutter body, handle of a knife and blade holder. The utility model has the advantages that: the cutter body adopts the high-speed steel to make, the cutter body surface is handled through titanium carbonitride coating, improve cutter body surface hardness and wearability, increase cutter life, the cutter body is four-blade flat head structure, the cutting anterior angle has been increased, the cutting output has been reduced, and then can carry out the finish machining to the plane by the efficient, the off-the-shelf quality of milling has been guaranteed, a plurality of heliciform chip reliefs groove has been seted up on the cutter body surface, be convenient for clear up mill the sweeps, avoid the waste material to pile up and influence the processing progress, handle of a knife and adapter sleeve are detachable connection through two locking bolt, the equipment is firm, also make things convenient for the later stage to tear open the cutter open simultaneously and trade and maintain, the mounting hole has been seted up at mount pad outer end center, mounting hole border evenly distributed has four positioning groove, can be stable with blade holder location clamping on the milling bed, thereby fixed cutter.

Description

Coating end milling cutter for plane finish machining

Technical Field

The utility model relates to a milling cutter specifically is a coating end milling cutter for plane finish machining belongs to machining cutter technical field.

Background

The precision machining process refers to various machining processes with machining precision and surface finish degree higher than those of each corresponding machining method, the precision machining process comprises precision cutting machining (such as diamond boring, precision turning, wide-edge finish planing and the like) and high-cleanness high-precision grinding, the machining precision of the precision machining is generally 10-0.1 mu m, the tolerance level is above IT5, the surface roughness Ra is below 0.1 mu m, and the process of cutting off an extremely thin metal layer on the surface of a workpiece by means of a machine tool with high precision and good rigidity and a cutter with fine blade grinding at very high or very low cutting speed, very small cutting depth and very small feed quantity is adopted, so that the precision machining process is usually realized by using an end mill.

The existing milling cutter has a simpler structure:

1) the surface of the traditional cutter is not subjected to coating treatment, the surface hardness is low, the wear resistance is poor, the service life of the cutter is easy to reduce after the cutter is used for a long time, the use cost is further increased, a chip removing groove is not formed in the surface of the cutter, and milled waste chips are not easy to clean, so that the processing progress is influenced;

2) the used cutter and the used cutter holder are fixed together by welding and cannot be detached, so that the cutter is not convenient to replace or maintain in the later period, and more limitations exist.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a coated end mill for planar finishing in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a coated end mill for surface finishing comprising

The cutter body is characterized in that a main cutting edge is arranged at the top end of the cutter body capable of finely machining a plane, and spiral auxiliary cutting edges are distributed on the surface of the cutter body; and

the knife handle is positioned at the rear end of the knife body and is in an integrated structure with the knife body; and

the tool apron consists of a connecting sleeve fixedly sleeved at the tail end of the tool shank and a mounting seat welded at the outer end of the connecting sleeve, and can stably clamp a tool on a milling machine.

As a further aspect of the present invention: the cutter body is made of high-speed steel, and the surface of the cutter body is treated by a titanium carbonitride coating.

As a further aspect of the present invention: the outer diameter of the cutter body is larger than that of the cutter handle, four main cutting edges are vertically distributed on the cutting end face of the cutter body, and the cutter body is of a four-edge flat head structure.

As the utility model discloses further scheme again: a plurality of spiral chip removal grooves are formed in the surface of the cutter body.

As a further aspect of the present invention: the utility model discloses a handle of a knife, including handle of a knife, connecting sleeve, clamping sleeve, and clamping sleeve, and clamping sleeve, clamping and clamping sleeve, clamping and clamping sleeve, clamping and clamping sleeve.

As the utility model discloses further scheme again: the mounting base is characterized in that a mounting hole is formed in the center of the outer end face of the mounting base, and four positioning grooves are uniformly distributed on the edge of the mounting hole.

The utility model has the advantages that:

1) the cutter body is made of high-speed steel, the surface of the cutter body is treated by a titanium carbonitride coating, the surface hardness and the wear resistance of the cutter body are improved, the service life of the cutter is prolonged, four main cutting edges are vertically distributed, the cutter body is of a four-edge flat head structure, the cutting front angle is increased, the cutting amount is reduced, the plane can be efficiently and finely machined, the quality of a milled finished product is ensured, a plurality of spiral chip-withdrawing grooves are formed in the surface of the cutter body, milling waste chips are convenient to clean, and the phenomenon that the processing progress is influenced by waste material accumulation is avoided;

2) the handle of a knife and adapter sleeve are locate mode cutting ferrule through the draw-in groove and the fixture block that correspond and connect, and handle of a knife and adapter sleeve are detachable connection through two locking bolts, and the equipment is firm, also makes things convenient for the later stage to tear open the cutter simultaneously and trade and maintain, and the mounting hole has been seted up at the outer terminal surface center of mount pad, and mounting hole border evenly distributed has four positioning groove, can be stable with blade holder location clamping on the milling machine to fixed cutter.

Drawings

Fig. 1 is a schematic structural view of the milling cutter of the present invention;

FIG. 2 is a view of the cutting end face of the milling cutter of the present invention;

FIG. 3 is a sectional view of the connection structure of the knife handle and the connecting sleeve of the present invention;

fig. 4 is a schematic view of the mounting seat structure of the present invention.

In the figure: 1. the tool body, 2, the main cutting edge, 3, the auxiliary cutting edge, 4, the chip removing groove, 5, the tool shank, 6, the clamping groove, 7, the threaded hole, 8, the connecting sleeve, 9, the clamping block, 10, the locking bolt, 11, the mounting seat, 12, the mounting hole, 13 and the positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

Referring to FIGS. 1-4, a coated end mill for flat finishing includes

The cutter comprises a cutter body 1, wherein a main cutting edge 2 is arranged at the top end of the cutter body 1 capable of finely machining a plane, and a spiral auxiliary cutting edge 3 is distributed on the surface of the cutter body; and

the cutter handle 5 is positioned at the rear end of the cutter body 1 and is in an integrated structure with the cutter body 1; and

the tool apron consists of a connecting sleeve 8 fixedly sleeved at the tail end of the tool holder 5 and a mounting seat 11 welded at the outer end of the connecting sleeve 8, and can stably clamp a tool on a milling machine.

In the embodiment of the utility model provides an in, cutter body 1 adopts high-speed steel to make, and the surface of cutter body 1 is handled through titanium carbonitride coating, improves cutter body 1 surface hardness and wearability, increases cutter life.

The embodiment of the utility model provides an in, 1 external diameter of cutter body is greater than the handle of a knife 5 external diameters, main cutting edge 2 has four at 1 cutting end face vertical distribution of cutter body, and cutter body 1 is four-blade flat head structure, has increased the cutting rake angle, has reduced the cutting output, and then can the efficient carry out the finish machining to the plane, has guaranteed to mill off-the-shelf quality.

The embodiment of the utility model provides an in, a plurality of heliciform chip relives groove 4 have been seted up on cutter body 1 surface, and the sweeps is milled in the clearance of being convenient for, avoids the waste material to pile up and influences the processing progress.

Example two

Referring to FIGS. 1-4, a coated end mill for flat finishing includes

The embodiment of the utility model provides an in, 5 rear end symmetries of handle of a knife are provided with two square draw-in grooves 6, two screw holes 7 have been seted up to 5 outside symmetries of handle of a knife, and draw-in groove 6 and screw hole 7 are vertical distribution in 5 cross-sections of handle of a knife, 8 inner wall symmetries of adapter sleeve are equipped with two square fixture blocks 9, handle of a knife 5 and adapter sleeve 8 are the locate mode cutting ferrule through corresponding draw-in groove 6 and fixture block 9 and connect, settle in the counter bore in the 8 outside of adapter sleeve has locking bolt 10, locking bolt 10 passes adapter sleeve 8 and threaded connection in screw hole 7, and handle of a knife 5 and adapter sleeve 8 are detachable connection through two locking bolt 10, and the equipment is firm, also makes things convenient for the later stage to tear open the cutter open simultaneously and trade and maintain.

The embodiment of the utility model provides an in, mounting hole 12 has been seted up at 11 outer terminal surface centers of mount pad, mounting hole 12 border evenly distributed has four positioning groove 13, can be stable with blade holder location clamping on the milling machine to fixed cutter.

The working principle is as follows: when the coated end milling cutter for plane finish machining is used, firstly, the cutter handle 5 is inserted into the connecting sleeve 8 through the corresponding clamping groove 6 and the clamping block 9, then the locking bolt 10 passes through the counter bore at the outer side of the connecting sleeve 8 and is in threaded connection with the threaded hole 7 of the cutter handle 5, then the cutter seat is positioned and clamped on the milling machine through the mounting hole 12 and the four positioning grooves 13, so that the cutter is fixed, finally, the milling machine is opened to drive the cutter body 1 to rotate clockwise, and further, the workpiece plane can be milled through the main cutting edge 2, during the period, the surface of the cutter body 1 is treated by the titanium carbide nitride coating, the surface hardness and the wear resistance of the cutter body 1 can be improved, the service life of the cutter is prolonged, the four main cutting edges 2 can increase the cutting rake angle, the cutting amount is reduced, further, the plane can be efficiently subjected to finish machining, the quality of a milled product is ensured, and a plurality of spiral chip withdrawing grooves 4 formed in the surface of the cutter body 1 can also clean milling scraps in time, avoid the waste material to pile up and influence the processing progress, handle of a knife 5 and the blade holder that use simultaneously are connected through locking bolt 10, and not only the equipment is firm, also makes things convenient for the later stage to tear open the cutter and trade and maintain moreover.

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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A coated end mill for flat finishing, characterized by: comprises that

The cutter comprises a cutter body (1), wherein a main cutting edge (2) is arranged at the top end of the cutter body (1) capable of finely machining a plane, and spiral auxiliary cutting edges (3) are distributed on the surface of the cutter body; and

the cutter handle (5) is positioned at the rear end of the cutter body (1) and is in an integrated structure with the cutter body (1); and

the tool apron comprises a connecting sleeve (8) fixedly sleeved at the tail end of the tool holder (5) and a mounting seat (11) welded at the outer end of the connecting sleeve (8), and can stably clamp a tool on a milling machine.

2. A coated end mill for planar finishing as claimed in claim 1, wherein: the cutter body (1) is made of high-speed steel, and the surface of the cutter body (1) is treated by a titanium carbonitride coating.

3. A coated end mill for planar finishing as claimed in claim 1, wherein: the outer diameter of the cutter body (1) is larger than that of the cutter handle (5), four main cutting edges (2) are vertically distributed on the cutting end face of the cutter body (1), and the cutter body (1) is of a four-edge flat head structure.

4. A coated end mill for planar finishing as claimed in claim 1, wherein: a plurality of spiral chip-removing grooves (4) are formed in the surface of the cutter body (1).

5. A coated end mill for planar finishing as claimed in claim 1, wherein: handle of a knife (5) rear end symmetry is provided with two square draw-in grooves (6), two screw holes (7) have been seted up to handle of a knife (5) outside symmetry, and draw-in groove (6) and screw hole (7) are vertical distribution in handle of a knife (5) cross-section, adapter sleeve (8) inner wall symmetry is equipped with two square fixture blocks (9), handle of a knife (5) and adapter sleeve (8) are the locate mode cutting ferrule through corresponding draw-in groove (6) and fixture block (9) and connect, settle in the counter bore in adapter sleeve (8) outside has locking bolt (10), locking bolt (10) pass adapter sleeve (8) and threaded connection in screw hole (7), and handle of a knife (5) and adapter sleeve (8) are detachable connection through two locking bolt (10).

6. A coated end mill for planar finishing as claimed in claim 1, wherein: the mounting base is characterized in that a mounting hole (12) is formed in the center of the outer end face of the mounting base (11), and four positioning grooves (13) are uniformly distributed on the edge of the mounting hole (12).