CN218694262U

CN218694262U - Woodworking ball end mill

Info

Publication number: CN218694262U
Application number: CN202223026844.2U
Authority: CN
Inventors: 金勇�; 陈华勇
Original assignee: Chengdu Xinjuli Precision Tools Co ltd
Current assignee: Chengdu Xinjuli Precision Tools Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-24
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a woodworking ball end mill, which relates to the technical field of ball end mills and comprises a straight shank part, wherein the front end of the straight shank part is provided with a neck part, a tool bit is fixedly sleeved at the front end of the neck part, and the end part of the tool bit is provided with unevenly distributed cutting angles; the outer wall of the cutter head is provided with auxiliary cutting grooves which are distributed annularly, and the outer wall of the cutter head is also provided with a main cutting groove; this carpenter's bulb milling cutter, the effect of drilling is reached through the irregular cutting angle of tool bit end department, and the setting of main cutting groove is convenient for outwards throw away produced sweeps when cutting when its rotating, the setting of main cutting groove and vice cutting groove outward flange sword of cutting is convenient for carry out high-efficient scraping to the channel inner wall simultaneously, it is smooth to guarantee the channel inner wall, it is limited and then leads to the unsmooth condition of channel inner wall to appear with channel inner wall contact effect to avoid current spiral cutting, the problem that the loaded down with trivial details work efficiency of operation is lower in the clearance channel need regularly to be got out to current milling cutter.

Description

Woodworking ball end mill

Technical Field

The utility model relates to a bulb milling cutter technical field specifically is a carpenter's bulb milling cutter.

Background

The ball end milling cutter is a cutter with a cutting edge similar to a ball end and assembled on a milling machine for milling various curved surfaces and arc grooves. Ball end mills are also known as R-cutters.

Through search, in the application No. 201480044929.2, a multi-blade ball end mill is disclosed, which comprises: a straight shank portion, a cutting edge portion having a bulbous portion at a tip end, and three or more cutting edges formed on the cutting edge portion, each cutting edge comprising: an outer peripheral edge having a twist angle η of 35 to 45 °; and a ball end blade having a twisting angle [ mu ] at an outermost peripheral point satisfying a relationship of [ eta ] - [ mu ] 7 DEG with respect to the twisting angle [ eta ] so as to be smoothly connected to the outer peripheral blade, a radial rake angle of the ball end blade being-37 to-11 DEG, a radial rake angle of the outer peripheral blade being 2 to 8 DEG, and a middle or low-inclination blade being integrally formed in the vicinity of a rotational center point of a front end of the ball end portion within a range from the front end to the rotational center point of each ball end blade. Above-mentioned subassembly reaches the effect to the material memorability cutting through the inclination and the torsion angle that set up the bulb sword, and the setting of this kind of spiral edge of a knife need regularly take out when the cutting, then clears up the saw-dust of slotted hole inboard, only has one cutting simultaneously, probably leads to the condition emergence of channel inner wall not smooth.

Therefore, a woodworking ball end mill is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a carpenter's ball end milling cutter has solved current milling cutter and has need regularly to take out the lower problem of sweeps complex operation work efficiency in the clearance channel.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a woodworking ball end mill comprises a straight shank part, wherein the front end of the straight shank part is provided with a neck part, a cutter head is fixedly sleeved at the front end of the neck part, and the end of the cutter head is provided with unevenly distributed cutting angles;

the outer wall of the cutter head is provided with auxiliary cutting grooves which are distributed annularly, and the outer wall of the cutter head is also provided with a main cutting groove.

Preferably, the auxiliary cutting groove is a vertical straight groove.

Preferably, the main cutting groove is L-shaped, and comprises a vertical wall and a bottom wall, wherein the vertical wall is vertical, and the bottom wall is an arc-shaped wall.

Preferably, the corner edges of the auxiliary cutting groove and the main cutting groove are both in an edge opening state.

(III) advantageous effects

The utility model provides a carpenter's bulb milling cutter. The method has the following beneficial effects:

this carpenter ball end milling cutter, the effect of drilling is reached through the irregular cutting angle of tool bit end department, and the setting of main cutting groove is convenient for outwards throw away produced sweeps when cutting when its rotating, the setting of main cutting groove and vice cutting groove outward flange sword of cutting is convenient for carry out high-efficient scraping to the channel inner wall simultaneously, then can guarantee to cut out that the channel inner wall is smooth, it is limited and then lead to the unsmooth condition of channel inner wall to appear to avoid current spiral cutting and channel inner wall contact effect, and vice cutting groove set up the small sweeps that also can automatic backward the follow-up scraping of output part, and then support this milling cutter and carry out cutting work in succession, the problem that current milling cutter need regularly take out the sweeps in the clearance channel and operate loaded down with trivial details work efficiency is lower is solved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a straight shank portion; 2. a neck portion; 3. a cutter head; 4. a secondary cutting groove; 5. and (5) main cutting grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a woodworking ball end mill comprises a straight shank part 1, wherein the front end of the straight shank part 1 is provided with a neck part 2, a cutter head 3 is fixedly sleeved on the front end of the neck part 2, and the end of the cutter head 3 is provided with unevenly distributed cutting angles;

the outer wall of the cutter head 3 is provided with auxiliary cutting grooves 4 which are distributed annularly, and the outer wall of the cutter head 3 is also provided with a main cutting groove 5;

wherein, in this embodiment, need to supplement the explanation, this carpenter's bulb milling cutter, the effect of drilling is reached through the irregular cutting angle of 3 end departments of tool bit, and main setting of cutting groove 5 is convenient for outwards throw away the sweeps that produce when cutting when its rotating, the setting of cutting groove 5 and the 4 outward flange of vice cutting groove of main cutting is convenient for carry out high-efficient scraping to the channel inner wall simultaneously, then can guarantee to cut out that the channel inner wall is smooth, it is limited and then lead to the unsmooth condition of channel inner wall to appear with the contact effect of channel inner wall to avoid current spiral cutting, and the setting of vice cutting groove 4 also can be automatically to the follow-up tiny sweeps of scraping of back output part, and then support this milling cutter and carry out cutting work in succession, the problem that the tedious work efficiency is lower in operation of the sweeps in the clearance channel of having solved current milling cutter need regularly to get out.

In this embodiment, it should be added that the auxiliary cutting groove 4 is a vertical straight groove.

In this embodiment, it should be added that the main cutting groove 5 is an L-shaped groove in cross section, and the main cutting groove 5 includes a vertical wall and a bottom wall, where the vertical wall is vertical and the bottom wall is an arc wall.

In this embodiment, it should be added that the corner edges of the sub-cut grooves 4 and the main cut grooves 5 are both in an open state.

The utility model discloses a theory of operation and use flow: when the device is required to carry out cutting work, the device is sleeved on a driving component, a cutting angle distributed at the front end of the cutter head 3 is utilized to drill, along with the fact that the cutter head 3 integrally enters the channel, the main cutting groove 5 can be matched with the outer edge of the edge formed by the auxiliary cutting groove 4 to efficiently scrape the inner wall of the channel, and meanwhile, waste chips can be discharged outwards by utilizing the space in the channel so as to support the milling cutter to continuously work, and the smoothness of the inner wall of the channel can also be guaranteed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A woodworking ball end mill comprises a straight shank portion (1), wherein a neck portion (2) is assembled at the front end of the straight shank portion (1), a cutter head (3) is fixedly sleeved on the front end of the neck portion (2), and cutting angles which are not uniformly distributed are arranged at the end of the cutter head (3);

the method is characterized in that: the outer wall of the tool bit (3) is provided with auxiliary cutting grooves (4) which are distributed annularly, and the outer wall of the tool bit (3) is also provided with a main cutting groove (5).

2. The woodworking ball end mill of claim 1, wherein: the auxiliary cutting groove (4) is a vertical straight groove.

3. The woodworking ball end mill of claim 1, wherein: the main cutting groove (5) is an L-shaped groove in cross section, the main cutting groove (5) comprises a vertical wall and a bottom wall, the vertical wall is vertical, and the bottom wall is an arc-shaped wall.

4. The woodworking ball end mill of claim 1, wherein: and the corner edges of the auxiliary cutting groove (4) and the main cutting groove (5) are in an edging state.