CN207914669U - A double-sided side milling cutter - Google Patents

Abstract

The utility model discloses a two-sided side milling shaping sword is equipped with a plurality of combination cutting edge portions on the tool bit, and this combination cutting edge portion includes preceding arc milling cutting portion, straight milling cutting portion and the back arc milling cutting portion that set up in proper order, preceding arc milling cutting portion is located the tip of tool bit, and the cutter is parallel with the cell phone case back when processing cell phone case, when processing the cell phone case back through the straight cutting edge of straight milling cutting portion, processes a side of cell phone case through the preceding arc cutting edge of preceding arc milling cutting portion; the other side surface of the mobile phone shell is processed by the rear arc-shaped cutting edge of the rear arc-shaped milling and cutting part, so that the back surface and the side surface of the mobile phone shell can be simultaneously processed at one time, the mobile phone shell does not need to be subjected to tool changing in the process, tool changing time is saved, efficiency is improved, the precision is better, and the processing cost is lower.

Description

A double-sided side milling cutter

technical field

The utility model relates to a cutter, in particular to a double-sided side milling forming cutter.

Background technique

The side of the mobile phone case is usually designed in a smooth arc shape for aesthetics, while the back of the mobile phone case is a smooth plane. Therefore, after the mobile phone case is formed, it needs to be processed into a high-gloss surface with two different tools. The above-mentioned method needs to change the tool, which not only takes a long time to process, but also has low efficiency and high processing cost. Thereby the applicant has designed a double-sided side milling cutter to solve the above problems.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a double-sided side milling cutter.

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

A double-sided side milling forming cutter, including a cutter bar and a cutter head, is characterized in that: the cutter head is provided with a number of combined cutting edge parts, and the combined cutting edge parts include sequentially arranged front arc milling cutting parts, straight The milling cutting part and the rear arc milling cutting part, the front arc milling cutting part is located at the end of the cutter head, and the cutter head is provided with a chip removal groove extending to the cutter bar, and the chip removal groove is located in the two combinations Between the cutting edge portions, the direct milling cutting portion includes a straight cutting edge, a straight milling rake face and a straight milling flank, the straight cutting edge is formed by the intersection of the straight milling flank and the straight milling rake face, the The front arc milling cutting part includes a front arc cutting edge, a front arc milling rake face and a front arc milling flank, and the front arc cutting edge is a front arc milling flank and a front arc milling front The cutter faces intersect to form; the rear arc milling cutting part includes a rear arc cutting edge, a rear arc milling rake face and a rear arc milling flank, and the rear arc cutting edge is a rear arc milling cutter The intersection of the front arc cutting edge, the straight cutting edge and the rear arc cutting edge form a continuous smooth line, the front arc milling rake face, the straight milling front The rake face of the cutter face is back arc milling, and the rake face is composed of the edge part of the side wall of the chip flute.

The front arc-shaped milling flank includes the front first arc-shaped milling flank and the front second arc-shaped milling flank; the rear arc-shaped milling flank includes the rear first arc-shaped milling flank and After the second arc milling flank.

The straight milling flank includes a first straight milling flank and a second direct milling flank.

The flutes are helical flutes.

The shapes of the front arc cutting edge and the rear arc cutting edge are both composed of multiple continuous arcs.

The beneficial effects of the utility model are: the cutter head of the utility model is provided with a plurality of combined cutting edge parts, and the combined cutting edge parts include a front arc milling cutting part, a straight milling cutting part and a rear arc milling cutting part arranged in sequence , the front arc milling cutting part is located at the end of the cutter head. When processing the mobile phone casing, the cutter is parallel to the back of the mobile phone casing. The front arc cutting edge of the cutting part processes one side of the mobile phone case; the other side of the mobile phone case can be processed by the back arc cutting edge of the rear arc milling cutting part, so that the back of the mobile phone case and the The side surface is processed at the same time, and the above process does not need to change the tool, so it not only saves the tool changing time, improves the efficiency, but also has better precision and lower processing 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.

Detailed ways

Referring to Fig. 1, the utility model discloses a single-sided side milling forming cutter, which includes a circular cutter bar 1 and a cutter head 2, and the cutter head 2 is provided with four combined cutting edges, and the combined cutting edges It includes a front arc milling cutting part, a straight milling cutting part and a rear arc milling cutting part arranged in sequence, the front arc milling cutting part is located at the end of the cutter head, and the cutter head is provided with a Chip flute 3, said chip flute 3 is located between two combined cutting edge portions, said straight milling cutting portion includes straight cutting edge 4, straight milling rake face and straight milling flank, said straight cutting edge 4 is The straight milling flank and the straight milling rake face are intersected to form, the front arc milling cutting part includes the front arc cutting edge 5, the front arc milling rake face and the front arc milling flank, the front arc The cutting edge 5 is formed by the intersection of the front arc milling flank and the front arc milling rake face; the rear arc milling cutting portion includes the rear arc cutting edge 6, the rear arc milling rake face and the rear arc Milling the flank, the rear arc cutting edge 6 is formed by the intersection of the rear arc milling flank and the rear arc milling rake face, the front arc cutting edge 5, the straight cutting edge 4 and the rear arc cutting Edges 6 intersect to form a continuous smooth line, and the front arc milling rake face, the straight milling rake face and the rear arc milling rake face are all formed by the edge part of the chip flute 3 side walls.

As shown in the figure, the straight cutting edge 4 is a helix, but the edge diameter of each point on the helix is the same, so a plane can be cut, and the front arc cutting edge 5 and the rear arc cutting edge 6 The shape of the shape is composed of multiple continuous arcs, and the change of the blade diameter is changed according to the change of the arc, because the arc of the side of the mobile phone case may be composed of multiple arcs with different arcs, so the front arc cutting edge 5 The shape of the rear arc-shaped cutting edge 6 also needs to be composed of multiple continuous arcs matching the contour of the arc surface, so as to process the side of the mobile phone casing.

As shown in the figure, the front arc-shaped milling flank includes the front first arc-shaped milling flank 7 and the front second arc-shaped milling flank 8; the rear arc-shaped milling flank includes the rear first The arc milling flank 9 and the rear second arc milling flank 10; the straight milling flank includes the first straight milling flank 11 and the second straight milling flank 12; in the above structure, continuous The design of multiple flanks is beneficial to gradually reduce the relief angle from a large angle to a small angle relief angle, which can not only ensure that the cutter head 2 has sufficient strength, but also reduce the friction between the cutting edge and the processing surface to prevent heat generation, thereby Effective in improving cutting accuracy.

The chip flute 3 is a spiral flute. The spiral chip flute 3 not only has a large chip capacity, but also the iron chips are pressed by the wall of the chip flute 3 during the rotation of the tool, so that it can be quickly guided Iron filings are discharged.

The above is a detailed introduction to a double-sided side milling cutter provided by the embodiment of the present invention. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only for Help to understand the method of the present utility model and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. In summary, this The contents of the description should not be understood as limiting the utility model.

Claims (5)

1. a kind of double-sided lateral milling forming cutter, including knife bar and cutter head, it is characterised in that：The cutter head is cut equipped with several combinations Blade, the combination cutting edge portion include front arc milling cutting portion, straight milling cutting portion and the rear arc milling cutting portion of sequence setting, institute Front arc milling cutting parts are stated in the end of cutter head, the cutter head is equipped with the chip space for extending to knife bar, the chip space position Between two combination cutting edge portion, the straight milling cutting portion includes straight cutting edge, straight milling rake face and straight milling flank, the vertical cut It is that straight milling flank and straight milling rake face are crossed to form to cut sword, and the front arc milling cutting portion includes front arc cutting edge, frontal arc Shape milling rake face and front arc milling flank, the front arc cutting edge are front arc milling flank and front arc milling rake face phase It hands over and is formed；The rear arc milling cutting portion includes rear arc cutting edge, rear arc milling rake face and rear arc milling flank, described Rear arc cutting edge is that rear arc milling flank and rear arc milling rake face are crossed to form, and the front arc cutting edge, vertical cut are cut Sword intersects with rear arc cutting edge constitutes a continuous smooth lines, the front arc milling rake face, the straight equal backarc of milling rake face Shape milling rake face is that the edge portions of chip removal groove sidewall are constituted.

2. a kind of double-sided lateral milling forming cutter according to claim 1, it is characterised in that：The front arc milling flank includes Preceding first arc milling flank and preceding second arc milling flank；The rear arc milling flank includes knife after rear first arc milling Face and rear second arc milling flank.

3. a kind of double-sided lateral milling forming cutter according to claim 1, it is characterised in that：The straight milling flank includes first Straight milling flank and the second straight milling flank.

4. a kind of double-sided lateral milling forming cutter according to claim 1, it is characterised in that：The chip space is helicla flute.

5. a kind of double-sided lateral milling forming cutter according to claim 1, it is characterised in that：The front arc cutting edge and backarc The shape of shape cutting edge is made of the continuous camber line of multistage.