CN106270580B

CN106270580B - Multifunctional blade for radial grooving, cutting and axial turning

Info

Publication number: CN106270580B
Application number: CN201610647320.5A
Authority: CN
Inventors: 宋吉; 陈指福; 陈正肖; 李明; 刘威
Original assignee: Taizhou Ruian Cemented Carbide Tools Co ltd
Current assignee: Taizhou Ruian Cemented Carbide Tools Co ltd
Priority date: 2016-08-10
Filing date: 2016-08-10
Publication date: 2020-04-07
Anticipated expiration: 2036-08-10
Also published as: CN106270580A

Abstract

The invention discloses a multifunctional blade for radial grooving, cutting and axial turning, which comprises a cutting head part and a clamping handle part, wherein the cutting head part comprises a main cutting edge and a side cutting edge, two ends of the main cutting edge are respectively connected with the side cutting edge through fillet cutting edges, the middle part of the upper surface is provided with a groove, the main cutting edge is connected with the front end of the groove through a first inclined surface, the side cutting edge is connected with the groove through a second inclined surface, the clamping handle part is connected with the rear end of the groove through a conical boss, the tip end of the conical boss faces towards the main cutting edge, an elliptic chip breaking boss is respectively arranged at the intersection of the first inclined surface and the second inclined surface, an arc chip breaking boss is respectively arranged on the second inclined surface, the middle part of the arc chip breaking boss is close to the side cutting edge, the front end of the arc chip breaking boss is connected with the elliptic chip breaking boss, the rear end of the arc chip breaking boss is connected with the conical boss, the included angle between the main cutting edge and a plane P is α, the included angle between.

Description

Multifunctional blade for radial grooving, cutting and axial turning

Technical Field

The invention relates to a cutting tool, in particular to a blade which is suitable for radial grooving and cutting-off and axial turning.

Background

In the cutting process of materials, the curling and the discharge of chips are very important for the continuous cutting process of workpieces, the slender and uncontrollable chips are easy to cause the interruption of the process, the surface quality of the workpieces is affected and even the scrapping of the workpieces is caused, an operator has to stop a machine tool to clean the wound chips or replace the workpieces, the production efficiency is greatly reduced, and the processing cost is also increased. Meanwhile, the vibration phenomenon in the machining process is also disadvantageous, and generally, in order to reduce or avoid the vibration, the cutting speed or other cutting parameters of the machining needs to be reduced, which is also not beneficial to improving the production efficiency. In the grooving process of materials, a grooving cutter often needs to finish different processing requirements such as radial grooving, cutting and axial turning, so that a reasonable cutting edge and chip breaking structures need to be designed for the blade in the radial grooving, cutting and axial turning.

Patent document CN2871070Y discloses an insert for radial grooving and axial turning, which basically realizes the formation and fracture of chips in radial grooving, cutting and axial turning, but the chip-breaking groove type structure is simple, the function is single, the distance from the cutting edge is far, the effective control of chips in the range of finish machining and semi-finish machining is difficult to realize, and the radial cutting edge of the insert is a curved structure, although the radial cutting force of the insert is reduced, the cutting vibration is improved, and the rough machining with larger machining parameters is facilitated, but in the range of semi-finish machining and finish machining with smaller machining parameters, the cutting force of the insert is small, the improvement of the cutting force by the curved structure is limited, the surface finish of a workpiece is reduced, and the improvement of the cutting vibration and the surface machining quality of the workpiece are not really realized.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a multifunctional blade for radial grooving, cutting and axial turning, which has the advantages of good chip control and chip breaking effects, wide processing range, capability of reducing cutting force, light and fast cutting, reduction of vibration in processing, high workpiece processing quality and long service life.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a multi-functional blade of radial grooving, cutting off and axial turning, includes cutting head and along cutting head longitudinal extension's centre gripping stalk portion, cutting head includes an upper surface, two side surfaces and a main back knife face, the crossing main cutting edge that constitutes of main back knife face and upper surface, two side surfaces intersect respectively with the upper surface and constitute the side cutting sword, the main cutting edge both ends link to each other with the side cutting sword through the fillet cutting edge respectively, upper surface middle part sets up to the recess, the main cutting edge with be connected through first inclined plane between the recess front end, the side cutting sword respectively through the second inclined plane with the recess both sides are connected, the centre gripping stalk portion with the tip orientation that the recess rear end is connected and the toper boss through the toper boss the main cutting edge arranges, first inclined plane with the intersection on second inclined plane is equipped with and is used for radial grooving, the oval chip boss that cuts off respectively, be equipped with the circular arc chip boss that cuts off that is used for axial turning on the second inclined plane respectively, circular chip boss middle part with the side cutting sword middle part with the side chip boss, the front end with oval chip boss meets and the back end with the oval chip boss that the cutting edge that the plane is 3583 and the plane perpendicular blade plane, the cutting edge, the perpendicular blade is along the contained angle P83, the perpendicular blade plane, the perpendicular to the cutting edge.

As a further improvement of the technical proposal, the α is in the range of 7-15 degrees, and the β is in the range of 7-15 degrees.

As a further preferable mode of the above technical means, the height of the circular arc chip breaking boss is 0.03-0.1mm higher than the side cutting edge; the height of the circular arc chip breaking boss is 0.03-0.12mm higher than that of the main cutting edge.

Compared with the prior art, the multifunctional blade for radial grooving, cutting and axial turning has the advantages that the included angle between the main cutting edge and the plane P is α, the included angle between the side cutting edge and the plane P is β, namely the blade has a positive rake angle, the edge is sharp, the plastic deformation and the frictional resistance of a cutting layer are reduced, the cutting force is reduced, the vibration in the machining process is reduced, the multifunctional blade can be used for the working conditions of poor rigidity of a process system or insufficient power of a machine tool, when the multifunctional blade is axially turned, chips are curled and broken into chip shapes which are easy to process after being impacted with the circular arc chip breaking lug boss, the chip control and breakage are facilitated, the circular chip breaking lug boss penetrates through the length of the whole side cutting edge, the chip breaking requirements of different machining parameters can be met in the machining range of the blade, the machining range is wide, the oval chip breaking lug boss can be lifted and curled to form V shapes in the radial grooving and cutting processes, the chip breaking and discharging are facilitated, and the contact area between chips and a front tool face is reduced, so that the abrasion of a front tool face is reduced, and the service life of the multifunctional.

Drawings

Fig. 1 is a perspective view of the multi-functional insert for radial grooving, parting and axial turning of the present invention.

Fig. 2 is a top view schematic of the multi-function insert for radial grooving, parting and axial turning of the present invention.

Fig. 3 is a view a-a in fig. 2.

Fig. 4 is a view B-B in fig. 2.

Fig. 5 is a front view of the multi-function insert for radial grooving, parting and axial turning of the present invention.

Fig. 6 is a left side view schematic of the multi-function insert for radial grooving, parting and axial turning of the present invention.

Detailed Description

The structure and principles of the present invention will be further explained with reference to the drawings and the detailed description of the invention.

As shown in fig. 1 to 6, the multifunctional insert for radial grooving, parting and axial turning of the present embodiment comprises a cutting head 1 and a clamping shank 2 extending longitudinally along the cutting head 1, the cutting head 1 comprises an upper surface 4, two

side surfaces

5a, 5b and a main flank surface 6, the main flank surface 6 intersects with the upper surface 4 to form a main cutting edge 7, the two

side surfaces

5a, 5b intersect with the upper surface 4 to form

side cutting edges

8a, 8b, respectively, both ends of the main cutting edge 7 are connected with the

side cutting edges

8a, 8b through

rounded cutting edges

9a, 9b, respectively, the middle of the upper surface 4 is provided with a groove 41, the main cutting edge 7 is connected with the front end of the groove 41 through a first inclined surface 10, the

side cutting edges

8a, 8b are connected with both sides of the groove 41 through second inclined surfaces 11a, 11b, respectively, the clamping shank 2 is connected with the rear end of the groove 41 through a tapered boss 12, the tip of the tapered boss 12 is arranged toward the main cutting edge 7, the tapered boss 12 is arranged at the rear end of the groove, the tapered boss 12, the tip of the tapered boss is arranged toward the main cutting edge 7, the tapered boss 14 is provided with a, the tapered boss 14 is provided with a boss, the tapered boss 14 is provided with a boss 14, the tapered boss 14 is suitable for reducing the cutting edge 14, the cutting edge is provided with the cutting edge 14, the cutting edge is provided with a cutting edge 14, the cutting edge is provided with the cutting edge, the cutting edge is provided with the cutting edge, the cutting edge is provided with the cutting edge is.

In this embodiment, α is in the range of 7 ° -15 °, and β is in the range of 7 ° -15 °.

In the embodiment, the heights of the circular arc

chip breaking bosses

14a and 14b are 0.03-0.1mm higher than the heights of the

side cutting edges

8a and 8b, namely d1 is 0.03-0.1mm in the drawing; the height of the circular arc chip breaking convex platforms (14a, 14b) is 0.03-0.12mm higher than that of the main cutting edge 7, namely d2 is 0.03-0.12mm in the figure.

The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A multifunctional insert for radial grooving, parting off and axial turning comprises a cutting head (1) and a clamping handle (2) extending longitudinally along the cutting head (1), the cutting head (1) comprises an upper surface (4), two side surfaces (5a, 5b) and a main flank surface (6), the main flank surface (6) and the upper surface (4) intersect to form a main cutting edge (7), the two side surfaces (5a, 5b) intersect with the upper surface (4) to form side cutting edges (8a, 8b), the two ends of the main cutting edge (7) are connected with the side cutting edges (8a, 8b) through rounded corner cutting edges (9a, 9b), characterized in that a groove (41) is formed in the middle of the upper surface (4), the main cutting edge (7) and the front end of the groove (41) are connected through a first inclined surface (10), the side cutting edges (8a, 8b) are connected with a second inclined surface (11a, 11b) and the cutting groove (41), the central cutting edge of the main cutting edge (7) and the front end of the groove (41) are connected with a first inclined surface (10), the central cutting edge (14a, 14b) and the central cutting edge (14 b) is connected with a, a boss 14b) of a boss 14b) which is used for processing chip, a chip breaking chip forming a groove (14 b) and a groove (14 b), and a boss 14b) when the cutting edge 14b) of a boss 14b) of a groove (7 a boss 14b) intersects with a groove (7), the boss 14b) of a boss 14b, the boss 14b) of the boss 14b, the boss 14b is connected with a boss 14b, the boss 14b is connected with a boss 14b, the boss 14b is.

2. The multi-functional radial grooving, parting and axial turning insert of claim 1, wherein said α is in the range of 7 ° -15 ° and said β is in the range of 7 ° -15 °.