CN210755431U

CN210755431U - Integral multi-groove milling cutter

Info

Publication number: CN210755431U
Application number: CN201921771503.3U
Authority: CN
Inventors: 刘新平; 张红兵; 韩会斌; 刘力杰
Original assignee: Hebei Gaogong Tool Co ltd
Current assignee: Hebei Gaogong Tool Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-16
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an integral multi-groove milling cutter, which comprises a main mandrel, wherein milling cutter heads are arranged on the main mandrel in parallel side by side, a cutter groove is formed between the two milling cutter heads on the axial direction of the main mandrel, and the milling cutter heads are arranged in a central symmetry manner on the radial direction of the main mandrel; the width and height of the milling head and the width of the cutter groove on the main mandrel are matched with those of the machined multi-groove. A cutter holder is arranged at the end part of the main mandrel, a cutter handle shaft is arranged at the outer end of the cutter holder, and a positioning protrusion is arranged at the end part of the cutter handle shaft; the end part of the tool apron, close to one side of the main mandrel, is provided with a tool bit, and the tool bits are symmetrically arranged along the end part of the tool apron; the tool shank shaft is a conical shaft, and the diameter of the tool shank shaft is gradually increased along the direction of the positioning convex to the tool apron; the utility model provides a can mill the milling cutter of a plurality of parallel grooves of processing simultaneously, the geometric tolerances of parallel grooves is guaranteed by the machining dimension of sword, and not only the machining precision is high, and machining efficiency also improves at double, has reduced the requirement to the processing equipment precision.

Description

Integral multi-groove milling cutter

Technical Field

The utility model belongs to the technical field of milling cutter handles, specifically be a whole multislot milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine; the general part straight groove machining is to mill one groove at a time, and if a plurality of parallel grooves are formed in the part, the part can be machined for multiple times. If there is position tolerance then can only rely on lathe or auxiliary fixtures to guarantee the machining precision between the groove, not only inefficiency, the precision is difficult to guarantee moreover.

Therefore, the inventor provides the integral multi-groove milling cutter by combining various factors.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problems related to the background technology, the integral multi-groove milling cutter is provided.

The utility model adopts the technical scheme as follows:

the integral multi-groove milling cutter comprises a main mandrel, wherein milling cutter heads are arranged on the main mandrel in parallel side by side, a cutter groove is formed between the two milling cutter heads along the axial direction of the main mandrel, and the milling cutter heads are arranged in a central symmetry manner along the radial direction of the main mandrel; the width and height of the milling head and the width of the cutter groove on the main mandrel are matched with those of the machined multi-groove.

The utility model provides a can mill the milling cutter of a plurality of parallel grooves of processing simultaneously, the geometric tolerances of parallel grooves is guaranteed by the machining dimension of sword, and not only the machining precision is high, and machining efficiency also improves at double, has reduced the requirement to the processing equipment precision.

The cutter comprises a main mandrel and a cutter holder, wherein the end part of the main mandrel is provided with a cutter holder, the outer end of the cutter holder is provided with a cutter handle shaft, and the end part of the cutter handle shaft is provided with a positioning protrusion.

The end part of the knife rest, which is close to one side of the main mandrel, is provided with a root knife head, and the root knife heads are symmetrically arranged along the end part of the knife rest.

The tool shank shaft is a conical shaft, and the diameter of the tool shank shaft is gradually increased along the direction of the positioning convex to the tool apron.

Wherein the sharpening size and the sharpening angle of the milling head have a diameter error of 0.005mm and an angle error within +/-1'.

Wherein, ligament surface roughness Ra value of the milling head is not more than 0.2 μm, and the Ra value of the cutter body is not more than 0.8 μm.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model provides a can mill the milling cutter of a plurality of parallel grooves of processing simultaneously, the geometric tolerances of parallel grooves is guaranteed by the machining dimension of sword, and not only the machining precision is high, and machining efficiency also improves at double, has reduced the requirement to the processing equipment precision.

2. The utility model can mill a plurality of parallel grooves simultaneously, and the more grooves, the more the processing efficiency is improved; and a forming cutter is adopted, the groove is milled and formed at one time, the machining precision is ensured by the cutter, and the dependence on equipment is reduced.

Drawings

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

the labels in the figure are: 1. a main mandrel; 2. a milling head; 3. a cutter groove; 4. a root cutter head; 5. a tool apron; 6. a tool shank spindle; 7. the positioning is convex.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the integral multi-groove milling cutter comprises a main mandrel 1, wherein milling cutter heads 2 are arranged on the main mandrel 1 in parallel side by side, a cutter groove 3 is formed between the two milling cutter heads 2 in the axial direction of the main mandrel 1, and the main mandrel 1 is arranged in a manner of being symmetrical to the milling cutter heads 2 in the radial direction; the width and height of the milling head 2 and the width of the cutter grooves 3 on the main mandrel 1 are matched with those of the machined multi-groove.

The end part of the main mandrel 1 is provided with a tool apron 5, the outer end of the tool apron 5 is provided with a tool shank shaft 6, and the end part of the tool shank shaft 6 is provided with a positioning protrusion 7.

The end part of the knife holder 5, which is close to one side of the main mandrel 1, is provided with a knife head 4, and the knife head 4 is symmetrically arranged along the end part of the knife holder 5.

The tool shank shaft 6 is a conical shaft, and the diameter of the tool shank shaft 6 is gradually increased along the positioning protrusion 7 towards the tool holder 5.

Wherein, the sharpening size and the sharpening angle of the milling head 2 have a diameter error of 0.005mm and an angle error within +/-1'.

Wherein, ligament surface roughness Ra value of the milling head 2 is not more than 0.2 μm, and cutter body Ra value is not more than 0.8 μm.

The working principle is as follows: the utility model provides a can mill the milling cutter of a plurality of parallel grooves of processing simultaneously, the geometric tolerances of parallel grooves is guaranteed by the machining dimension of sword, and not only the machining precision is high, and machining efficiency also improves at double, has reduced the requirement to the processing equipment precision. Simultaneously, a plurality of parallel grooves are milled, and the machining efficiency is improved more obviously as the grooves are more; and a forming cutter is adopted, the groove is milled and formed at one time, the machining precision is ensured by the cutter, and the dependence on equipment is reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An integral multi-groove milling cutter, comprising a main mandrel (1), characterized in that: the milling cutter head (2) is arranged on the main mandrel (1) in parallel side by side, a cutter groove (3) is formed between the two milling cutter heads (2) in the axial direction of the main mandrel (1), and the milling cutter heads (2) are arranged in a radial direction of the main mandrel (1) in a central symmetry manner; the width and height of the milling head (2) and the width of the cutter groove (3) on the main mandrel (1) are matched with those of a plurality of grooves.

2. An integrated multi-flute milling cutter according to claim 1 wherein: the end part of the main mandrel (1) is provided with a tool apron (5), the outer end of the tool apron (5) is provided with a tool shank shaft (6), and the end part of the tool shank shaft (6) is provided with a positioning protrusion (7).

3. An integrated multi-flute milling cutter according to claim 2 wherein: a tool bit (4) is arranged at the end part of one side, close to the main mandrel (1), of the tool apron (5), and the tool bit (4) is symmetrically arranged along the end part of the tool apron (5).

4. An integrated multi-flute milling cutter according to claim 2 wherein: the tool shank shaft (6) is a conical shaft, and the diameter of the tool shank shaft (6) is gradually increased along the positioning protrusion (7) towards the tool apron (5).

5. An integrated multi-flute milling cutter according to any one of claims 1 to 4 wherein: the sharpening size and the sharpening angle of the milling head (2) have the diameter error of 0.005mm and the angle error of +/-1'.

6. An integrated multi-flute milling cutter according to claim 5 wherein: the ligament surface roughness Ra value of the milling head (2) is not more than 0.2 mu m, and the Ra value of the cutter body is not more than 0.8 mu m.