CN220240140U - Spiral milling cutter - Google Patents

Abstract

The utility model relates to the technical field of milling cutters, in particular to a spiral milling cutter which comprises a cutter body, wherein a cutter head is arranged at one end of the cutter body, a cutter handle is fixedly arranged at one end, far away from the cutter head, of the cutter body, and a cutting edge is arranged on the surface of the cutter body. According to the milling cutter, the special cutting edge structure is designed for improving the strength and toughness of the milling cutter, and compared with a traditional milling cutter, the milling cutter has six groups of cutting edges and bottom edges, so that the whole rigidity of the milling cutter is higher, besides, a large number of stripes are formed on the surface of the cutting edge, the stripes can prevent the milling cutter from damaging the wavy edge of the cutting edge in the rotating process, and further improve the toughness of the whole structure of the milling cutter, six groups of chip removing grooves are designed on the surface of the milling cutter, chips can be directly discharged in the rotating process of the milling cutter, and the milling cutter can remove chips smoothly even if the rotating speed of the milling cutter is not large.

Description

Spiral milling cutter

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a spiral milling cutter.

Background

Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. The milling cutter is mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine, the existing milling cutter is mainly a two-blade milling cutter and a four-blade milling cutter, the number of the blades of the existing milling cutter is small, therefore, the rigidity of the milling cutter is insufficient, micro deformation easily occurs during milling work, the blades are further caused to change in position, and the machining precision of the workpieces is affected, so that improvement is needed.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a spiral milling cutter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a spiral milling cutter, includes the blade, the one end of blade is provided with the tool bit, the one end fixed mounting that the tool bit was kept away from to the blade has the handle of a knife, the surface of blade is provided with the cutting edge, the quantity of cutting edge and end sword is six groups, end sword has been seted up on the surface of tool bit.

In order to prevent the wavy edge of the cutting edge from being damaged, the utility model is improved in that the surface of the cutting edge is provided with stripes.

In order to prevent a large number of burrs from being generated on the surface of the milling cutter in the use process, the utility model is improved in that chip grooves are formed on the surface of the cutter body, and the number of the chip grooves is six.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. in the utility model, by arranging the structures such as the cutting edge, the stripes and the like, the milling cutter is designed with a special cutting edge structure, and compared with the traditional milling cutter, the milling cutter is designed with six groups of cutting edges and bottom edges, so that the whole rigidity of the milling cutter is higher, besides, the surface of the cutting edge is provided with a large number of stripes, and the stripes can prevent the milling cutter from damaging the waveform edge of the cutting edge in the rotating process, thereby improving the toughness of the whole structure of the milling cutter.

2. According to the utility model, by arranging the chip grooves and other structures, in order to prevent a large number of burrs from being generated on the surface of the milling cutter in the use process, the milling cutter is designed with a special chip removing structure, if chips generated in the working process of the milling cutter cannot be discharged in time, the cutting edge of the milling cutter can be damaged, the surface of the cutting edge is further provided with burrs, the accuracy of the milling cutter on workpiece processing is affected, six groups of chip grooves are designed on the surface of the milling cutter, the chips can be directly discharged in the rotation process of the milling cutter, and the design of the plurality of groups of chip grooves enables the milling cutter to smoothly remove chips even under the condition of low rotation speed.

Drawings

Fig. 1 is a schematic view of the overall structure of a helical milling cutter according to the present utility model;

fig. 2 is a partial enlarged view of a cutter body of a helical milling cutter according to the present utility model.

Legend description:

1. a knife handle; 2. a blade body; 3. a cutting edge; 4. a cutter head; 5. a bottom edge; 6. a chip removal groove; 7. and (3) stripes.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a spiral milling cutter, includes blade 2, and the one end of blade 2 is provided with tool bit 4, and the one end fixed mounting that blade 4 was kept away from to blade 2 has handle of a knife 1, and the surface of blade 2 is provided with cutting edge 3, and blade 2, cutting edge 3 and end edge 5 have formed the core structure of this milling cutter, and the quantity of cutting edge 3 and end edge 5 is six groups, and end edge 5 has been seted up on the surface of tool bit 4.

Referring to fig. 1 and 2, the surface of the cutting edge 3 is provided with the stripes 7, and the stripes 7 can prevent the milling cutter from damaging the wavy edge of the cutting edge 3 in the rotation process, so as to improve the toughness of the whole structure of the milling cutter.

Example two

Referring to fig. 1 and 2, chip grooves 6 are formed in the surface of the cutter body 2, so that chips can be directly discharged from the milling cutter in the rotating process, the number of the chip grooves 6 is six, and the design of multiple groups of chip grooves 6 enables the milling cutter to smoothly remove chips even under the condition of low rotating speed.

Working principle: this milling cutter has designed special cutting edge 3 structure, compare with traditional milling cutter, six groups have all been designed to cutting edge 3 and end sword 5 of this milling cutter, such design can let the holistic rigidity of milling cutter higher, in addition, a large amount of stripes 7 have still been seted up on the surface of cutting edge 3, stripe 7 can prevent that milling cutter from damaging the waveform cutting edge of cutting edge 3 at the rotation in-process, and then improve milling cutter overall structure's toughness, chip groove 6 can let milling cutter at the direct piece discharge of pivoted in-process, the design of multiunit chip groove 6 makes milling cutter even can smooth chip removal under the circumstances that the rotational speed is not big.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above embodiments according to the technical matter of the present utility model will still fall within the scope of the technical disclosure.

Claims (4)

1. Spiral milling cutter, including blade (2), its characterized in that: one end of blade (2) is provided with tool bit (4), one end fixed mounting that blade (2) kept away from tool bit (4) has handle of a knife (1), the surface of blade (2) is provided with cutting edge (3), the quantity of cutting edge (3) and end sword (5) is six groups, end sword (5) have been seted up on the surface of tool bit (4).

2. The helical milling cutter of claim 1, wherein: the surface of the cutting edge (3) is provided with stripes (7).

3. The helical milling cutter of claim 1, wherein: chip grooves (6) are formed in the surface of the cutter body (2).

4. A helical milling cutter according to claim 3, wherein: the number of the chip grooves (6) is six.