CN207043403U - Milling cutter with dispersive stress formula chip area - Google Patents

Abstract

The utility model discloses a kind of milling cutter with dispersive stress formula chip area, including, cutter head, cutter head is provided with some chip areas；Handle of a knife, handle of a knife are located at cutter head afterbody；Waste material at least in one section of bootable chip area be present and be broken so as to the active section of discharge in chip area.The active section that the utility model sets the fracture of guiding waste cut materials and discharged, makes in working angles caused waste material not accumulate and blocks up in the raising in chip area, being advantageous to stock-removing efficiency and cutting quality.

Description

Milling cutter with stress-dispersing flutes

technical field

The utility model relates to the field of cutters in mechanical processing, in particular to a milling cutter with a stress-distributing chip removal groove.

Background technique

Milling is a high-efficiency machining method that uses a rotating multi-blade tool to cut a workpiece. When working, the tool rotates (for the main movement), the workpiece moves (for the feed movement), and the workpiece can also be fixed, but at this time the rotating tool must also move (to complete the main movement and the feed movement at the same time). Machine tools for milling include horizontal milling machines or vertical milling machines, as well as large gantry milling machines. These machine tools can be ordinary machine tools or CNC machine tools. Cutting with a rotating milling cutter as a tool. Milling is generally carried out on a milling machine or a boring machine. It is suitable for processing planes, grooves, various forming surfaces and special shapes of molds. It is an important part of the processing technology.

A milling cutter is a rotating tool with one or more teeth for milling. When working, each knife tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces and cutting off workpieces on milling machines. The flute of the traditional milling cutter is a flute arranged in a spiral shape, and the side wall of the flute is a smooth curved surface arranged along the spiral shape. In actual cutting, the cutting waste slides upward from the end of the cutter head along the flute. When sliding to the middle or end of the chip flute, it will come out under the centrifugal force of the tool rotation. This design method, in actual use, due to the uniform guiding effect of the chip flute, cannot disperse the stress of the cutting waste accumulated in the chip flute, so that the cutting waste at the front end of the chip flute cannot be discharged and is blocked, which affects the cutting quality and cutting efficiency.

Utility model content

In order to solve the above problems, the utility model provides a milling cutter with a stress-dispersing chip removal groove.

The technical solution adopted by the utility model to solve the technical problem is: a milling cutter with a stress-dispersing chip removal groove, including,

The cutter head is provided with a number of chip removal grooves;

Knife handle, the handle is set at the end of the knife head;

There is at least one working section in the chip flute that can guide the waste materials in the chip flute to be broken so as to be discharged.

Furthermore, the working section can change the stress state of cutting scraps in the working section, so that the scraps can be broken and discharged more easily.

Further, the two side walls of the working section are wavy surfaces formed by several planes or arc surfaces, which are used to change the stress direction of the cutting waste in the chip flute to cause it to break.

Further, a transition arc surface is provided between two adjacent planes or arc surfaces on the single side wall.

The beneficial effect of the utility model is: setting a working section to guide the cutting waste to break and discharge, so that the waste generated in the cutting process will not be accumulated in the chip discharge groove, which is beneficial to the improvement of cutting efficiency and cutting quality.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the axonometric schematic view of the utility model;

Fig. 3 is a projection schematic diagram of the first embodiment of the flute in the utility model;

Fig. 4 is a schematic projected view of the second embodiment of the flute in the present invention.

detailed description

Referring to Fig. 1 and Fig. 2, the utility model is a milling cutter with a stress-dispersing chip flute, including a cutter head 2, which is provided with a plurality of chip flutes 3; a handle 1, a handle 1 is located at the tail of the cutter head 2; there is at least one working section in the chip discharge groove 3 that can guide the waste materials in the chip discharge groove 3 to break for discharge. The working section can change the stress state of cutting scraps in the working section, so that the scraps can be broken and discharged more easily.

As shown in Figure 3 and Figure 4, in this embodiment, the two side walls of the working section are set as wave surfaces formed by several planes or arc surfaces. The sudden change in the radius of curvature changes the stress direction of the cutting waste to break it, allowing the waste to be easily discharged. In this embodiment, the turning line between the two planes or the turning line between the two arc surfaces can be set to be vertical and pass through the axis of the milling cutter, or it can be set to form a certain angle with the axis of the milling cutter, so that the turning line can be seen from the outside Going up is diagonally upward or diagonally downward.

In order to facilitate the processing of the chip removal groove 3 and the smoothness of chip removal, a transition arc surface is provided between two adjacent planes or arc surfaces on the two side walls.

The milling cutter with distributed stress type chip discharge groove of this embodiment is provided with a working section that guides the cutting waste to break and be discharged, so that the waste generated during the cutting process will not be accumulated in the chip discharge groove 3, which is beneficial to cutting efficiency and cutting Quality improvement.

The above-mentioned embodiments are only preferred solutions of the utility model, and the utility model also has other implementation solutions. Those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the utility model, and these equivalent modifications or replacements are all included in the scope set by the claims of the present application.

Claims (2)

1. Milling cutters with stress-dispersing flutes, including, A cutter head, the cutter head is provided with a plurality of chip removal grooves; a knife handle, the knife handle is arranged at the tail of the knife head; It is characterized in that, There is at least one working section in the chip flute that can guide the waste materials in the chip flute to break for discharge, and the two side walls of the working section are wavy surfaces formed by several planes or arc surfaces, which are used to change the chip flute. Cut the stress direction of the scrap inside to make it fracture. 2. The milling cutter with stress-dispersing chip flutes according to claim 1, wherein a transition arc surface is provided between two adjacent planes or arc surfaces on a single side wall.