CN207431363U - A kind of combination forming milling cutter - Google Patents

Abstract

The utility model discloses a combination shaping milling flutes sword, including tool bit and cutter arbor, its characterized in that: the cutter head comprises a first cutting tooth, a second cutting tooth, a third cutting tooth, a fourth cutting tooth and four cutter edge seats which are annularly and uniformly distributed, the first cutting tooth, the second cutting tooth, the third cutting tooth and the fourth cutting tooth are arranged on the corresponding cutter edge seats, the heights of the first cutting tooth, the second cutting tooth, the third cutting tooth and the fourth cutting tooth are not overlapped with each other, a chip discharge groove is formed between the cutter edge seats, and the first cutting tooth comprises a first front cutter face, a first rear cutter face and a first cutting edge formed by intersecting the first front cutter face and the first rear cutter face; the second cutting tooth comprises a second front cutter surface, a second rear cutter surface and a second cutting edge formed by intersecting the second front cutter surface and the second rear cutter surface; the third cutting tooth comprises a third front cutter surface, a third rear cutter surface and a third cutting edge formed by intersecting the third front cutter surface and the third rear cutter surface; the fourth cutting tooth comprises a fourth front cutter face, a fourth rear cutter face and a fourth cutting edge formed by intersecting the fourth front cutter face and the fourth rear cutter face, and cutter changing and positioning are not needed, so that the machining process is low in difficulty, high in efficiency and low in cost.

Description

A kind of combination forming milling cutter

technical field

The utility model relates to a cutting tool, in particular to a combination forming groove milling cutter.

Background technique

Mobile phone parts need to process four grooves of different specifications on the same surface. In the past, four different milling cutters were used to process them separately. High efficiency, low efficiency and high cost, we have designed a combined forming slot milling cutter to solve it.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a combined shape milling cutter.

The technical scheme that the utility model solves its technical problem adopts is:

A combined milling cutter, including a cutter head and a cutter bar, is characterized in that: the cutter head includes a first cutting tooth, a second cutting tooth, a third cutting tooth, a fourth cutting tooth and four ring-shaped evenly distributed The blade seat, the first cutting tooth, the second cutting tooth, the third cutting tooth, and the fourth cutting tooth are arranged on the corresponding blade seat and the heights do not overlap each other, and chip removal grooves are provided between the blade seats, and the The first cutting tooth includes a first rake face, a first flank face, and a first cutting edge formed by the intersection of the first rake face and the first flank face; the second cutting tooth includes a second rake face, The second flank, and the second cutting edge formed by the intersection of the second rake face and the second flank; the third cutting tooth includes a third rake face, a third flank, and a third rake The third cutting edge formed by the intersection of the fourth rake face and the third flank; the fourth cutting tooth includes the fourth rake face, the fourth flank, and the fourth rake face and the fourth flank formed by the intersection of the fourth rake face Four cutting edges.

The shapes of the first cutting edge and the third cutting edge are oblique straight lines.

The shapes of the second cutting edge and the fourth cutting edge are lines formed by smoothly connecting oblique straight lines and arcs.

The blade seats are arranged vertically to each other.

A knife neck with a diameter smaller than the knife bar is arranged between the knife head and the knife bar.

The beneficial effects of the utility model are: the utility model includes a cutter head and a cutter bar, and is characterized in that: the cutter head includes a first cutting tooth, a second cutting tooth, a third cutting tooth, a fourth cutting tooth and four annular Evenly distributed blade seats, the first cutting teeth, the second cutting teeth, the third cutting teeth, and the fourth cutting teeth are arranged on the corresponding blade seats and the heights do not overlap each other, so that one time processing can pass through the above four cutting teeth. The teeth process four grooves of different specifications on the mobile phone parts without tool change and positioning, so the processing technology is low in difficulty, high in efficiency and low in cost.

Description of drawings

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

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

Fig. 2 is the profile diagram of the first cutting tooth;

Fig. 3 is the profile diagram of the second cutting tooth;

Fig. 4 is the tooth profile diagram of the third cutting tooth;

Fig. 5 is a tooth profile diagram of a fourth cutting tooth.

Detailed ways

Referring to Figures 1 to 5, the utility model discloses a composite milling cutter, including a cutter head 1 and a cutter bar 2, the cutter head 1 includes a first cutting tooth 3, a second cutting tooth 4, a third cutting tooth Teeth 5, the fourth cutting tooth 6 and four annular evenly distributed blade seats 7, the first cutting tooth 3, the second cutting tooth 4, the third cutting tooth 5, and the fourth cutting tooth 6 are arranged on the corresponding blade seats 7 and the heights do not overlap with each other, so that four parallel grooves can be cut on the mobile phone parts, and chip removal grooves 8 are arranged between the blade seats 7, and the first cutting teeth 3 include the first rake face, The first rake face and the first cutting edge 9 formed by the intersection of the first rake face and the first flank face; the second cutting tooth 4 includes a second rake face, a second flank face, and a second rake face. The second cutting edge 10 formed by the intersection of the rake face and the second flank face; the third cutting tooth 5 includes a third rake face, a third flank face, and a third rake face and a third flank face The third cutting edge 11 formed by intersection; the fourth cutting tooth 6 includes a fourth rake face, a fourth flank face, and a fourth cutting edge 12 formed by the intersection of the fourth rake face and the fourth flank face.

As shown in the figure, the shapes of the first cutting edge 9 and the third cutting edge 11 are oblique straight lines, and the groove bottoms of the grooves cut out by them are inclined planes.

As shown in the figure, the shapes of the second cutting edge 10 and the fourth cutting edge 12 are line grooves formed by smoothly connecting oblique straight lines and arcs, and the bottom of the grooves is a plane connected with an arc surface.

The blade seats 7 are arranged perpendicular to each other, so that the two groove walls of the chip removal groove 8 intersect to form a 90-degree straight groove, and the straight groove is inclined to form a certain angle with the axis of the cutter bar 2 .

A knife neck 13 with a diameter smaller than that of the knife bar 2 is provided between the cutter head 1 and the knife bar 2, because this structure is combined cutting of multiple cutting edges, and the position height of each cutting edge is different, so in order to ensure the strength of the cutting edge And function, preferably set up as a straight groove.

A knife neck 13 with a diameter smaller than the knife bar 2 is provided between the cutter head 1 and the knife bar 2, and the knife neck 13 can avoid touching mobile phone parts during processing, so that the knife bar 2 can descend to a greater depth, The range of processing is wider.

The above is a detailed introduction to a combined forming groove milling cutter provided by the embodiment of the present invention. In this paper, a specific example is used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only used to help Understand the method of the utility model and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the utility model, there will be changes in the specific implementation and scope of application. In summary, this description The content should not be construed as limiting the utility model.

Claims (5)

1. A combined forming milling cutter, comprising a cutter head and a cutter bar, is characterized in that: the cutter head includes a first cutting tooth, a second cutting tooth, a third cutting tooth, a fourth cutting tooth and four annular rings The blade seat of the cloth, the first cutting tooth, the second cutting tooth, the third cutting tooth, and the fourth cutting tooth are arranged on the corresponding blade seat and the heights do not overlap each other, and chip removal grooves are provided between the blade seats, The first cutting tooth includes a first rake face, a first flank, and a first cutting edge formed by the intersection of the first rake face and the first flank; the second cutting tooth includes a second rake face, the second flank, and the second cutting edge formed by the intersection of the second rake face and the second flank; the third cutting tooth includes a third rake face, a third flank, and a third The third cutting edge formed by the intersection of the rake face and the third flank face; the fourth cutting tooth includes the fourth rake face, the fourth flank face, and the intersection of the fourth rake face and the fourth flank face the fourth cutting edge. 2 . The combination molding slot milling cutter according to claim 1 , wherein the shapes of the first cutting edge and the third cutting edge are both oblique straight lines. 3 . 3 . The composite groove milling cutter according to claim 1 , characterized in that: the shapes of the second cutting edge and the fourth cutting edge are lines formed by smoothly connecting oblique straight lines and arcs. 4 . 4. The combination molding slotting cutter according to claim 1, characterized in that: said blade seats are arranged perpendicularly to each other. 5 . The combination molding slot milling cutter according to claim 1 , wherein a neck with a diameter smaller than the cutter rod is provided between the cutter head and the cutter rod. 5 .