CN219484232U

CN219484232U - Positive and negative C angle rapid prototyping cutter

Info

Publication number: CN219484232U
Application number: CN202320721948.0U
Authority: CN
Inventors: 钱志坚
Original assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Current assignee: Barnes Injection Molding Industry Jiangsu Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-08
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a positive and negative C-angle rapid forming cutter which is characterized by comprising a cutter handle, a taper reinforcing handle and a cutter head, wherein a plurality of cutting edges are arranged on the periphery of the cutter head, chip removal straight grooves are arranged between adjacent cutting edges, each cutting edge comprises a first cutting surface and a second cutting surface, the included angle between the first cutting surface and the second cutting surface is 90 degrees, and the first cutting surface and the second cutting surface are adjacent and share the same edge; the utility model can process the front chamfer and the back chamfer, does not need to frequently replace the cutters in the process of processing the chamfer, ensures the requirements on the finish degree and the roughness of the processing surface by the design of the first cutting surface and the second cutting surface, ensures the sharpness of the cutting edge, simultaneously can rapidly dissipate heat of the cutters in the process of processing, and can timely break and discharge the generated cutting scrap iron through the chip removal straight groove, so that the broken scrap cannot adhere to the surface of a processed part, and the high-quality processing surface is obtained.

Description

Positive and negative C angle rapid prototyping cutter

Technical Field

The utility model relates to the technical field of machining tools, in particular to a positive and negative C-angle rapid forming tool.

Background

The chamfering tool is a tool which is relatively wide in practical production and application, chamfering refers to machining of cutting edges and corners of a workpiece into a certain inclined plane, chamfering is performed on the end part of the part for removing burrs generated by machining and facilitating assembly of the part, the design of the part model is continuously updated along with the daily and daily change of a die technology, positive and negative chamfering machining is often required, most of the existing chamfering tools are single in function, the reverse C angle of the part cannot be machined quickly, the machined cutting face is not attractive, and the machining requirement of a precision die cannot be met.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a positive and negative C-angle rapid forming cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a positive and negative C angle rapid prototyping cutter, includes handle of a knife, tapering enhancement handle and tool bit, the tool bit periphery is equipped with a plurality of cutting edges, adjacent be equipped with chip removal straight flute between the cutting edge, the cutting edge includes first cutting face and second cutting face, first cutting face with second cutting face contained angle is 90, first cutting face with the second cutting face is adjacent and share same limit.

The utility model can process both the front chamfer and the back chamfer, does not need to frequently replace a cutter in the process of processing the chamfer, ensures the requirements on the finish degree and the roughness of the processing surface by the design of the first cutting surface and the second cutting surface, ensures the sharpness of the cutting edge and simultaneously can rapidly dissipate heat of the cutter during processing, and the chip removal straight groove can timely break and discharge the generated cutting scrap iron, so that the broken scrap iron cannot adhere to the surface of a processed part, thereby obtaining the high-quality processing surface.

Preferably, the first cutting surface and the second cutting surface are symmetrically arranged on two sides of the middle of the cutting edge.

Preferably, the first cutting face and the second cutting face are provided with a margin on the same side.

Preferably, the cutting edge has six.

Preferably, the chip removal straight flute extends from the head top to the front half of the taper shank.

Preferably, the chip removal straight flute is arc-shaped, and the depth of the chip removal straight flute from the head part to the tail part thereof is gradually reduced.

Preferably, the taper of the taper reinforcing handle is 3.6 degrees, so that the cutter has higher-strength cutting capability.

Preferably, a gray black diamond coating is arranged outside the tool bit and the taper reinforcing handle.

The gray black diamond coating has the advantages of high lubricity, good anti-adhesion, high hardness and good abrasion, and can effectively prolong the high-temperature processing life of the cutter.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can process the front chamfer and the back chamfer, does not need to frequently replace the cutters in the process of processing the chamfer, ensures the requirements on the finish degree and the roughness of the processing surface by the design of the first cutting surface and the second cutting surface, ensures the sharpness of the cutting edge, simultaneously can rapidly dissipate heat of the cutters in the process of processing, and can timely break and discharge the generated cutting scrap iron through the chip removal straight groove, so that the broken scrap cannot adhere to the surface of a processed part, and the high-quality processing surface is obtained.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is an enlarged partial schematic view of FIG. 2A;

FIG. 4 is a side view of the structure of the present utility model;

in the figure: 1. a knife handle; 2. taper reinforcing handle; 3. a cutter head; 4. a blade; 401. a first cutting surface; 402. a second cutting face; 403. a margin; 5. chip removal straight flute.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model provides a positive and negative C angle rapid prototyping cutter, includes handle of a knife 1, tapering enhancement handle 2 and tool bit 3, and tool bit 3 periphery is equipped with a plurality of cutting edges 4, is equipped with chip removal straight flute 5 between adjacent cutting edge 4, and cutting edge 4 includes first cutting face 401 and second cutting face 402, and first cutting face 401 and second cutting face 402 contained angle are 90, and first cutting face 401 and second cutting face 402 are adjacent and share same limit.

Specifically, the diameter of the cutter handle 1 is 16mm or 12mm, so that the cutter function is ensured, and the cutter handle can be suitable for most clamping handles.

Specifically, the length of the cutter handle 1 is 62.5mm, the total length of the taper reinforcing handle 2 and the cutter head 3 is 57.5mm, the length of the cutter head 3 is 8mm,

specifically, the first cutting face 401 and the second cutting face 402 are symmetrically disposed on both sides of the middle of the blade 4.

Specifically, the edges 403 are arranged on the same side of the first cutting surface 401 and the second cutting surface 402, the edges 403 are double-angle edges 403, and the cutter can rapidly dissipate heat during machining while the sharpness of the edges is ensured.

Specifically, the number of the blades 4 is six.

In particular, the chip removal straight flute 5 extends from the top of the tool head 3 to the front half of the taper shank 2.

Specifically, the chip removal straight flute 5 has an arc shape, and the depth of the chip removal straight flute 5 gradually decreases from the head portion thereof to the tail portion thereof.

Specifically, the chip removal straight groove 5 can discharge the generated cutting scrap iron and the generated broken scrap in time, so that the broken scrap cannot adhere to the surface of the processed part.

Specifically, the taper of the taper reinforcing shank 2 is 3.6 °.

Specifically, the tool bit 3 and the taper reinforcing handle 2 are provided with the gray black diamond coating, and the gray black diamond coating has the advantages of high lubricity, good adhesion resistance, high hardness and good abrasion resistance, and can effectively prolong the high-temperature processing life of the tool.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positive and negative C angle rapid prototyping cutter, its characterized in that includes handle of a knife, tapering enhancement handle and tool bit, the tool bit periphery is equipped with a plurality of cutting edges, adjacent be equipped with chip removal straight flute between the cutting edge, the cutting edge includes first cutting face and second cutting face, first cutting face with second cutting face contained angle is 90, first cutting face with second cutting face is adjacent and share same limit.

2. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the first cutting surface and the second cutting surface are symmetrically disposed on opposite sides of the middle of the cutting edge.

3. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the first cutting surface and the second cutting surface are provided with lands on the same side.

4. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the cutting edges have six cutting edges.

5. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the chip removal flute extends from the top of the tool bit to the front half of the taper shank.

6. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the chip removal straight flute is arcuate with the chip removal straight flute tapering in depth from its head to its tail.

7. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the taper of the tapered stiffening shank is 3.6 °.

8. The positive and negative C-angle rapid prototyping tool of claim 1 wherein the tool tip and the taper shank are coated with gray black diamond.