CN217192844U

CN217192844U - High-speed high-efficiency U-groove milling cutter

Info

Publication number: CN217192844U
Application number: CN202220145914.7U
Authority: CN
Inventors: 周四海
Original assignee: Guangdong Unt Hardware Technology Co ltd
Current assignee: Guangdong Unt Hardware Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-16
Anticipated expiration: 2032-01-19

Abstract

The application relates to the field of milling cutters, in particular to a high-speed and high-efficiency milling cutter with U-shaped grooves, which comprises a cutter handle and a cutter body which are integrally formed, wherein a plurality of spiral chip grooves are formed in the arc-shaped side wall of the cutter body, and the cross sections of the chip grooves are U-shaped; and a cutting edge is formed between every two adjacent chip flutes and is in a spiral shape. This application has improved the cutting efficiency of milling cutter to the work piece.

Description

High-speed high-efficiency U-groove milling cutter

Technical Field

The application relates to the field of milling cutters, in particular to a high-speed and high-efficiency milling cutter for a U groove.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

The section shape of a common end mill chip pocket sold in the market at present is an irregular spiral cutting edge, and the spiral angle is generally 30-35 degrees.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the section of the milling cutter chip groove is in the shape of an irregular spiral cutting edge, the spiral angle is generally 30-35 degrees, the reasonable distribution of the chip removal space and the strength of the cutting edge cannot be fully ensured, the cutting amount, the rotating speed and the material feeding speed are relatively small in the cutting process, and the milling cutter has low cutting efficiency on workpieces.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting efficiency of milling cutter to the work piece, this application provides a high-speed high-efficient milling cutter of U groove.

The application provides a high-speed high-efficient milling cutter in U groove adopts following technical scheme:

a high-speed high-efficiency milling cutter with a U-shaped groove comprises a cutter handle and a cutter body which are integrally formed, wherein a plurality of spiral chip grooves are formed in the arc-shaped side wall of the cutter body, and the cross sections of the chip grooves are U-shaped; and a cutting edge is formed between every two adjacent chip flutes and is in a spiral shape.

By adopting the technical scheme, the chip groove enables the cutter body to have enough chip removal space and high strength, so that the chip removal of the cutter is good, the feeding speed is greatly improved, the cutter can replace a groove milling cutter to perform groove milling, and the groove milling efficiency can be improved by 2-3 times; meanwhile, the tool has strong anti-collapse capability, so that the cutting process is stable, the surface finish and the dimensional precision of the workpiece are obviously improved, and the product quality of the cut workpiece is improved; the high-speed high-efficiency milling cutter with the U-shaped groove enlarges the adaptability of the cutter, can perform finish machining and rough machining, can process some difficult-to-machine materials, and has wide application range.

Optionally, a plurality of flanges are fixedly arranged on the arc-shaped side wall of the cutting edge, and the flanges are spiral in shape.

Through adopting above-mentioned technical scheme, the roughness on cutting edge surface has been increased to the flange to the efficiency of cutting the work piece has been increased to the cutting edge.

Optionally, a groove is formed between two adjacent flanges.

By adopting the technical scheme, the grooves increase the chip removal efficiency of the milling cutter when the cutting edges process workpieces.

Optionally, the groove is an arc-shaped groove.

Through adopting above-mentioned technical scheme, not only increased milling cutter's aesthetic property, milling cutter is at the in-process of processing material simultaneously, and the arc wall is convenient for the discharge that the sweeps is faster.

Optionally, the helix angle of the cutting edge is 40-50 °.

By adopting the technical scheme, the anti-collapse capability of the cutter is improved, the cutting process is more stable, and the surface smoothness of the workpiece is further improved.

Optionally, the helix angle of the cutting edge is 48 °.

By adopting the technical scheme, when the angle of the cutting edge is 48 degrees, the surface of the workpiece processed by the cutting edge is not only smooth, but also smooth, and the smoothness is the best.

Optionally, a plurality of chip grooves are formed in the end portion of the cutter body, and end teeth are formed between every two adjacent chip grooves.

By adopting the technical scheme, the contact area between the end teeth and the workpiece is smaller when the end part of the cutter body cuts the workpiece, so that the pressure of the cutter body to the workpiece is increased, and meanwhile, the scrap discharge groove is convenient for discharging the scrap in time.

Optionally, the end teeth are provided with an avoiding chute.

Through adopting above-mentioned technical scheme, keep away a chute and reduced the area of contact between end tooth and the work piece, increased the efficiency of cutter body processing work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

the chip groove enables the cutter body to have a large enough chip removal space and high strength, so that the chip removal of the cutter is good, the feeding speed is greatly improved, the cutter can replace a groove milling cutter to carry out groove milling, and the groove milling efficiency can be improved by 2-3 times; meanwhile, the tool has strong anti-collapse capability, so that the cutting process is stable, the surface finish and the dimensional precision of the workpiece are obviously improved, and the product quality of the cut workpiece is improved; the high-speed high-efficiency U-groove milling cutter enlarges the adaptability of the cutter, can perform finish machining and rough machining, can process some difficult-to-machine materials, and has wide application range;

the flange increases the roughness of the surface of the cutting edge, thereby increasing the efficiency of the cutting edge for cutting a workpiece;

the grooves increase the chip removal efficiency of the milling cutter during the process of machining the workpiece by the cutting edges.

Drawings

Fig. 1 is a structural schematic diagram of a U-groove high-speed high-efficiency milling cutter in an embodiment of the present application.

Description of reference numerals:

1. a knife handle; 2. a cutter body; 21. a chip pocket; 22. a cutting edge; 23. a flange; 24. a groove; 25. a helix angle; 26. a chip groove; 27. an end tooth; 28. avoid a position chute.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The utility model provides a high-speed high-efficient milling cutter of U groove, refers to figure 1, and high-speed high-efficient milling cutter of U groove is a high-speed high-efficient milling cutter of U groove, includes integrated into one piece's handle of a knife 1 and cutter body 2, and the axis of handle of a knife 1 coincides with the axis of cutter body 2.

A plurality of heliciform chip pockets 21 have been seted up to the curved lateral wall of cutter body 2, and chip pocket 21 is the heliciform along the length direction of cutter body 2 and extends, and chip pocket 21 is the U-shaped groove simultaneously. In the present embodiment, the number of the chip flutes 21 is four, and the four chip flutes 21 are distributed in a central symmetry along the axis of the tool body 2. A cutting edge 22 is formed between two adjacent chip flutes 21, and the shape of the cutting edge 22 is also spiral. The four chip grooves 21 make the cutter body 2 have a sufficient chip discharging space and high strength, so that the chip discharging of the cutter is good and the feeding speed is greatly improved.

A plurality of flanges 23 are fixedly provided on the arc-shaped side wall of the cutting edge 22, the number of the flanges 23 is three in the present embodiment, and each flange 23 has a spiral shape. The flange 23 increases the roughness of the surface of the cutting edge 22, thereby increasing the efficiency of the cutting edge 22 in cutting a workpiece. A groove 24 is formed between two adjacent flanges 23, and the groove 24 is an arc-shaped groove. In the process of machining a workpiece by the cutting edge 22, the groove 24 increases the chip removal efficiency of the milling cutter on one hand and increases the overall aesthetic appearance of the cutter body 2 on the other hand.

The angle between the axis of the shank 1 and the tangent to the edge of the chip flute 21 near one end of the shank 1 is referred to as the helix angle 25. In the present embodiment, the helix angle 25 of the cutting edge 22 is 40-50. By setting the size of the spiral angle 25 within a certain range, the anti-chipping capability of the cutter is improved, the chip cutting process is more stable, and the surface smoothness of the workpiece is further improved. In the present embodiment, the helix angle 25 of the cutting edge 22 is 48 °, and the workpiece surface processed by the cutting edge 22 is not only flat but also smooth, and the cutting effect is the best.

The end of the cutter body 2 is provided with a plurality of chip grooves 26, and end teeth 27 are formed between two adjacent chip grooves 26. In the process of cutting the workpiece at the end part of the cutter body 2, the contact area between the end teeth 27 and the workpiece is smaller, so that the pressure of the cutter body 2 to the workpiece is increased, and meanwhile, the scrap grooves 26 are convenient for discharging scraps in time. The end teeth 27 are provided with the position-avoiding chutes 28, and the position-avoiding chutes 28 reduce the contact area between the end teeth 27 and the workpiece, thereby increasing the efficiency of the cutter body 2 for processing the workpiece.

The application principle of the high-speed and high-efficiency milling cutter with the U-shaped groove is as follows: the chip groove 21 ensures that the cutter body 2 has enough chip removal space and high strength, so that the chip removal of the cutter is good, the feeding speed is greatly improved, the cutter can replace a groove milling cutter to carry out groove milling, and the groove milling efficiency can be improved by 2-3 times; meanwhile, the tool has strong anti-collapse capability, so that the cutting process is stable, the surface finish and the dimensional precision of the workpiece are obviously improved, and the product quality of the cut workpiece is improved; meanwhile, the adaptability of the cutter is also enlarged, the finish machining and the rough machining can be carried out, some materials which are difficult to machine can be machined, and the application range is wide.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-efficient milling cutter of U groove high speed which characterized in that: the combined type cutter comprises a cutter handle (1) and a cutter body (2) which are integrally formed, wherein a plurality of spiral chip grooves (21) are formed in the arc-shaped side wall of the cutter body (2), and the cross sections of the chip grooves (21) are U-shaped; a cutting edge (22) is formed between every two adjacent chip flutes (21), and the shape of each cutting edge (22) is spiral.

2. The U-groove high-speed, high-efficiency milling cutter according to claim 1, wherein: a plurality of flanges (23) are fixedly arranged on the arc-shaped side wall of the cutting edge (22), and the flanges (23) are spiral.

3. The U-groove high-speed, high-efficiency milling cutter according to claim 2, wherein: a groove (24) is formed between two adjacent flanges (23).

4. The U-groove high speed high efficiency milling cutter according to claim 3, wherein: the groove (24) is an arc-shaped groove.

5. The U-groove high-speed, high-efficiency milling cutter according to claim 1, wherein: the helix angle (25) of the cutting edge (22) is 40-50 deg.

6. The U-groove high-speed high-efficiency milling cutter according to claim 5, wherein: the cutting edge (22) has a helix angle (25) of 48 °.

7. The U-groove high-speed, high-efficiency milling cutter according to claim 1, wherein: a plurality of chip grooves (26) are formed in the end portion of the cutter body (2), and end teeth (27) are formed between every two adjacent chip grooves (26).

8. The U-groove high speed high efficiency milling cutter according to claim 7, wherein: an avoiding inclined groove (28) is formed in the end tooth (27).