CN215509121U

CN215509121U - Aluminum alloy machining cutter facilitating chip removal

Info

Publication number: CN215509121U
Application number: CN202121882535.8U
Authority: CN
Inventors: 刘宗良
Original assignee: Xuyan Suzhou Precision Tool Technology Co ltd
Current assignee: Xuyan Suzhou Precision Tool Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-14
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses an aluminum alloy machining cutter facilitating chip removal, which belongs to the technical field of cutters and comprises a cutter body, wherein a pair of opposite chip removal grooves are formed in the outer side of the cutter body, each chip removal groove comprises a chip removal surface and a chip removal back surface, the chip removal surfaces are vertically connected with the chip removal back surfaces, the end parts of the chip removal surfaces are in transition connection with the chip removal back surfaces through arc surfaces, a first cutting edge, a second cutting edge and a third cutting edge are sequentially arranged on the side, connected with the chip removal back surfaces, of the cutter body, a rear cutter surface perpendicular to the side surface of the cutter body is arranged at the end part of the cutter body, the first cutting edge is arranged on the outer side of the first connecting part and the outer side of the rear cutter surface, and the end part exceeds the rear cutter surface by 0.31 mm. This kind of aluminum alloy machining cutter of convenient chip removal adds man-hour to the aluminum alloy, and the convenient sweeps that in time discharge produced is convenient for the cutter to the processing of machined part, guarantees the machining precision.

Description

Aluminum alloy machining cutter facilitating chip removal

Technical Field

The utility model belongs to the technical field of cutters, and particularly relates to an aluminum alloy machining cutter convenient for chip removal.

Background

The aluminum alloy is an alloy which is based on aluminum and added with a certain amount of other alloying elements, is one of light metal materials, and has the general characteristics of aluminum and the specific characteristics of some alloys due to different types and amounts of the added alloying elements. The aluminum alloy has the advantages of small density, high strength, specific strength close to that of high alloy steel, specific rigidity superior to that of steel, good casting performance, good plastic processing performance, good electric conductivity and heat conductivity, good corrosion resistance and weldability, can be used as a structural material, and has wide application in aerospace, aviation, transportation, construction, electromechanics, lightening and daily necessities.

To the machining of aluminum product, many needs punch it, and the aluminium bits are softer, and the aluminium bits that produce very easily card on the cutter in the course of working influences the machining precision of cutter to the work piece.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the aluminum alloy machining cutter convenient for chip removal, which is convenient for timely discharging generated scraps when machining aluminum alloy, is convenient for machining a machined part by the cutter and ensures the machining precision.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a make things convenient for aluminum alloy processing cutter of chip removal, includes the cutter body, the cutter body includes integrated into one piece's first connecting portion, second connecting portion, third connecting portion, fourth connecting portion, fifth connecting portion, sixth connecting portion, seventh connecting portion, eighth connecting portion and ninth connecting portion in proper order, the cutter body outside is equipped with a pair of relative chip groove, the chip groove runs through in first connecting portion to ninth connecting portion, and the tip is located ninth connecting portion and is close to eighth connecting portion end, the chip groove includes the chip removal face and the chip removal back, the chip removal face links to each other perpendicularly with the chip removal back, and the tip passes through the arc surface and links to each other with the chip removal back transition, the cutter body is equipped with first cutting edge, second cutting edge and third cutting edge in proper order with the chip removal back continuous side, the cutter body tip is equipped with the cutter body in the back of being perpendicular with the side, first cutting edge is located first connecting portion and the back knife face outside, and the tip surpasses the back knife face 0.31 mm, the second connecting portion, the third connecting portion and the continuous section outside of fourth connecting portion are located to the second cutting edge, the continuous section outside of fourth connecting portion to ninth connecting portion is located to the third cutting edge, third connecting portion and eighth connecting portion are all established to the cone, the third connecting portion both ends link to each other with the tip of second connecting portion and fourth connecting portion respectively, the eighth connecting portion both ends link to each other with the tip of seventh connecting portion and ninth connecting portion respectively, first connecting portion, second connecting portion, fourth connecting portion, fifth connecting portion, sixth connecting portion, seventh connecting portion and ninth connecting portion all establish to the cylinder. The first cutting edge has a certain core fixing effect, the deviation of the cutter due to cutting resistance is prevented, the first cutting edge, the second cutting edge and the third cutting edge are arranged on the back face of chip removal, a workpiece can be drilled, the chip removal grooves can conveniently and timely discharge waste chips, and the first cutting edge, the second cutting edge and the third cutting edge are arranged on the same plane, so that the maximum cutting force can be ensured.

Further, the thicknesses of the first blade, the second blade and the third blade are all set to be 1 mm.

Further, a first transition surface is arranged on the outer side of the end portion of the first cutter edge, and an included angle between the first transition surface and the center line of the cutter body is 75 degrees.

Further, an included angle between the outer side of the third connecting portion and the center line of the cutter body is set to be 21 degrees.

Further, an included angle between the outer side of the eighth connecting portion and the center line of the cutter body is set to be 45 degrees.

Further, the first blade length is set to 6 mm, the second blade length is set to 5.95 mm, the length of the third blade is set to be 13.97 mm, and the lengths of the first connecting part, the second connecting part, the third connecting part, the fourth connecting part, the fifth connecting part, the sixth connecting part, the seventh connecting part, the eighth connecting part and the ninth connecting part are respectively 9.31 mm, 2.18 mm, 1 mm, 5.75 mm, 2.5 mm, 6 mm, 0.67 mm, 0.9 mm and 75.7 mm, the radius of the first connecting part is set to be 3.18 mm, the radius of the second connecting part is set to be 3.09 mm, the radius of the fourth connecting part is set to be 3.45 mm, the radius of the fifth connecting part is set to be 4.21 mm, the radius of the sixth connecting portion is set to be 4.61 mm, the radius of the seventh connecting portion is set to be 6.1 mm, and the radius of the ninth connecting portion is set to be 7 mm.

Further, a pair of opposite outer cooling grooves with arc-shaped cross sections are arranged on the outer side of the ninth connecting portion, and the end portions of the outer cooling grooves are arranged at the end portions of the chip removal surfaces.

Furthermore, a pair of opposite cooling holes penetrating through the cutter body are formed in the cutter body, and the end parts of the cooling holes are arranged on the rear cutter face. Cold water can be introduced into the cooling hole to cool the cutter body, so that the service life of the cutter is prolonged; metal scraps in the holes can be punched; the outer cooling tank can be cooled by introducing cold water from the outside of the cutter, so that the cooling efficiency is improved, and aluminum scraps can be washed away.

Has the advantages that: compared with the prior art, the utility model has the following advantages: the first blade of the aluminum alloy machining cutter convenient for chip removal has a certain core fixing effect, the cutter is prevented from deviating due to cutting resistance, the first blade, the second blade and the third blade are arranged on the back face of the chip removal, a workpiece can be drilled, the chip removal groove can conveniently discharge scraps in time, and the first blade, the second blade and the third blade are arranged on the same plane, so that the maximum cutting force can be ensured.

Drawings

FIG. 1 is a three-dimensional structure diagram of an aluminum alloy machining tool convenient for chip removal according to the utility model;

FIG. 2 is a front view of the aluminum alloy machining tool convenient for chip removal according to the utility model;

FIG. 3 is a left side view of the aluminum alloy machining tool facilitating chip removal according to the utility model;

fig. 4 is a partially enlarged view of fig. 2.

In the figure: the drill bit comprises a drill bit body 1, a cutter face 101, a first connecting part 11, a second connecting part 12, a third connecting part 13, a fourth connecting part 14, a fifth connecting part 15, a sixth connecting part 16, a seventh connecting part 17, an eighth connecting part 18, a ninth connecting part 19, a first cutting edge 2, a first transition surface 21, a second cutting edge 3, a third cutting edge 4, a chip removing groove 5, a chip removing surface 151, a chip removing back surface 152, an external cooling groove 6 and a cooling hole 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model is further illustrated with reference to the following figures and specific examples.

Example 1

As shown in fig. 1-4, an aluminum alloy processing tool facilitating chip removal comprises a tool body 1, wherein the tool body 1 sequentially comprises a first connecting portion 11, a second connecting portion 12, a third connecting portion 13, a fourth connecting portion 14, a fifth connecting portion 15, a sixth connecting portion 16, a seventh connecting portion 17, an eighth connecting portion 18 and a ninth connecting portion 19 which are integrally formed, a pair of opposite chip removal grooves 5 is arranged on the outer side of the tool body 1, the chip removal grooves 5 penetrate through the first connecting portion 11 to the ninth connecting portion 19, the end portions of the chip removal grooves are arranged at the end portions of the ninth connecting portion 19 close to the eighth connecting portion 18, each chip removal groove 5 comprises a chip removal surface 51 and a chip removal back surface 52, the chip removal surfaces 51 are vertically connected with the chip removal back surface 52, the end portions are transitionally connected with the chip removal back surface 52 through arc surfaces, the side, connected with the chip removal back surface 52, of the tool body 1, is sequentially provided with the first cutting edge 2, the second cutting edge 3 and the third cutting edge 4, the end part of the cutter body 1 is provided with a rear cutter face 101 vertical to the side face of the cutter body 1, the first cutting edge 2 is arranged at the outer sides of the first connecting part 11 and the rear cutter face 101, and the end part exceeds 1010.31 mm of the rear cutter face, the second cutting edge 3 is arranged at the outer side of the connecting section of the second connecting part 12, the third connecting part 13 and the fourth connecting part 14, the third cutting edge 4 is arranged at the outer side of the connecting section of the fourth connecting part 14 to the ninth connecting part 19, the third connecting part 13 and the eighth connecting part 18 are both cones, both ends of the third connecting part 13 are respectively connected with the end parts of the second connecting part 12 and the fourth connecting part 14, both ends of the eighth connecting part 18 are respectively connected with the end parts of the seventh connecting part 17 and the ninth connecting part 19, the first connecting part 11, the second connecting part 12, the fourth connecting part 14, the fifth connecting part 15, the sixth connecting part 16, the seventh connecting part 17 and the ninth connecting part 19 are all arranged as cylinders, the ninth connecting portion 19 outside is equipped with the outer cooling bath 6 of a pair of relative circular arc cross-section, the department of chip removal surface 51 tip is located to the 6 tip of outer cooling bath, be equipped with a pair of relative cooling hole 7 that runs through in cutter body 1 in the cutter body 1, cooling hole 7 tip is located on back knife face 101.

In this embodiment, the thicknesses of the first blade 2, the second blade 3 and the third blade 4 are all set to be 1 mm, a first transition surface 21 is arranged on the outer side of the end portion of the first blade 2, an included angle between the first transition surface 21 and the center line of the cutter body 1 is 75 degrees, an included angle between the outer side of the third connecting portion 13 and the center line of the cutter body 1 is 21 degrees, and an included angle between the outer side of the eighth connecting portion 18 and the center line of the cutter body 1 is 45 degrees; the length of the first blade 2 is set as 6 mm, the length of the second blade 3 is set as 5.95 mm, the length of the third blade 4 is set to be 13.97 mm, and the lengths of the first connecting part 11, the second connecting part 12, the third connecting part 13, the fourth connecting part 14, the fifth connecting part 15, the sixth connecting part 16, the seventh connecting part 17, the eighth connecting part 18 and the ninth connecting part 19 are respectively 9.31 mm, 2.18 mm, 1 mm, 5.75 mm, 2.5 mm, 6 mm, 0.67 mm, 0.9 mm and 75.7 mm, the radius of the first connection part 11 is set to 3.18 mm, the radius of the second connection part 12 is set to 3.09 mm, the radius of the fourth connecting portion 14 is set to 3.45 mm, the radius of the fifth connecting portion 15 is set to 4.21 mm, the radius of the sixth connecting portion 16 is set to 4.61 mm, the radius of the seventh connecting portion 17 is set to 6.1 mm, and the radius of the ninth connecting portion 19 is set to 7 mm.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides an aluminum alloy machining cutter of convenient chip removal which characterized in that: including cutter body (1), cutter body (1) includes integrated into one piece's first connecting portion (11), second connecting portion (12), third connecting portion (13), fourth connecting portion (14), fifth connecting portion (15), sixth connecting portion (16), seventh connecting portion (17), eighth connecting portion (18) and ninth connecting portion (19) in proper order, the cutter body (1) outside is equipped with a pair of relative chip groove (5), chip groove (5) run through in first connecting portion (11) to ninth connecting portion (19), and the tip is located ninth connecting portion (19) and is close to eighth connecting portion (18) end, chip groove (5) are including chip removal face (51) and the chip removal back (52), chip removal face (51) link to each other with the chip removal back (52) is perpendicular, and the tip passes through the arc face and links to each other with the chip removal back (52) transition, cutter body (1) links to each other with the chip removal back (52) and inclines to be equipped with first cutting edge (2) in proper order, The cutting tool comprises a second cutting edge (3) and a third cutting edge (4), wherein the end part of the cutter body (1) is provided with a rear cutter face (101) vertical to the side face of the cutter body (1), the first cutting edge (2) is arranged on the outer sides of a first connecting part (11) and the rear cutter face (101), the end part of the first cutting edge exceeds the rear cutter face (101) by 0.31 mm, the second cutting edge (3) is arranged on the outer side of a connecting section of a second connecting part (12), a third connecting part (13) and a fourth connecting part (14), the third cutting edge (4) is arranged on the outer side of a connecting section of a fourth connecting part (14) to a ninth connecting part (19), the third connecting part (13) and the eighth connecting part (18) are both cones, the two ends of the third connecting part (13) are respectively connected with the end parts of the second connecting part (12) and the fourth connecting part (14), the two ends of the eighth connecting part (18) are respectively connected with the end parts of a seventh connecting part (17) and the ninth connecting part (19), the first connecting portion (11), the second connecting portion (12), the fourth connecting portion (14), the fifth connecting portion (15), the sixth connecting portion (16), the seventh connecting portion (17) and the ninth connecting portion (19) are all cylindrical.

2. The aluminum alloy machining tool facilitating chip removal according to claim 1, wherein: the thicknesses of the first cutting edge (2), the second cutting edge (3) and the third cutting edge (4) are all set to be 1 mm.

3. The aluminum alloy machining tool facilitating chip removal according to claim 2, wherein: the outer side of the end part of the first cutting edge (2) is provided with a first transition surface (21), and an included angle between the first transition surface (21) and the center line of the cutter body (1) is 75 degrees.

4. The aluminum alloy machining tool facilitating chip removal according to claim 3, wherein: the included angle between the outer side of the third connecting part (13) and the center line of the cutter body (1) is set to be 21 degrees.

5. The aluminum alloy machining tool facilitating chip removal according to claim 4, wherein: the included angle between the outer side of the eighth connecting part (18) and the central line of the cutter body (1) is set to be 45 degrees.

6. The aluminum alloy machining tool facilitating chip removal according to any one of claims 1 to 5, wherein: the length of the first blade (2) is set to be 6 mm, the length of the second blade (3) is set to be 5.95 mm, the length of the third blade (4) is set to be 13.97 mm, the lengths of the first connecting part (11), the second connecting part (12), the third connecting part (13), the fourth connecting part (14), the fifth connecting part (15), the sixth connecting part (16), the seventh connecting part (17), the eighth connecting part (18) and the ninth connecting part (19) are respectively 9.31 mm, 2.18 mm, 1 mm, 5.75 mm, 2.5 mm, 6 mm, 0.67 mm, 0.9 mm and 75.7 mm, the radius of the first connecting part (11) is set to be 3.18 mm, the radius of the second connecting part (12) is set to be 3.09 mm, the radius of the fourth connecting part (14) is set to be 3.45 mm, the radius of the fifth connecting part (15) is set to be 4.21 mm, and the radius of the sixth connecting part (16) is set to be 4.61 mm, the radius of the seventh connecting part (17) is set to be 6.1 mm, and the radius of the ninth connecting part (19) is set to be 7 mm.

7. The aluminum alloy machining tool facilitating chip removal according to claim 6, wherein: the ninth connecting portion (19) outside is equipped with a pair of outer cooling tank (6) of circular arc cross-section relative, chip surface (51) tip department is located to outer cooling tank (6) tip.

8. The aluminum alloy machining tool facilitating chip removal according to claim 7, wherein: a pair of opposite cooling holes (7) penetrating through the cutter body (1) is formed in the cutter body (1), and the end parts of the cooling holes (7) are arranged on the rear cutter face (101).