CN215902739U

CN215902739U - Turning, boring and scraping integrated indexable blade

Info

Publication number: CN215902739U
Application number: CN202121436278.5U
Authority: CN
Inventors: 麻继昌; 陈顺权; 赵雪芹; 曾田
Original assignee: Shaanxi Aviation Carbide Tools Co ltd
Current assignee: Shaanxi Aviation Carbide Tools Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-25
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses an indexable insert integrating turning, boring and scraping, which is triangular, wherein an insert center hole is arranged in the center of the insert, cutting edges are respectively arranged at three corners and sides of the insert, and a first cutting edge for scraping, a second cutting edge for boring and a third cutting edge for turning are sequentially arranged at the front to back position of each corner along the rotation direction of the insert. The turning, boring and scraping tools are integrally arranged on the blade, the processing of the original three processes is completed at one time, the processing efficiency of the hydraulic oil cylinder is improved, the requirement of surface smoothness Ra0.8 can be met, the production and processing cost is effectively reduced, and the industrial blank is filled; the utility model has the advantages of simple structure, stable performance and longer service life.

Description

Turning, boring and scraping integrated indexable blade

Technical Field

The utility model relates to the technical field of metal cutting machining, in particular to an indexable insert integrating turning, boring and scraping.

Background

At present, the market demand of the fully-mechanized coal mining bracket on the hydraulic oil cylinder is huge, and in order to improve the production and processing efficiency of the inner hole of the oil cylinder, the original production process is improved, and three production procedures of turning, boring and scraping are completed by one-step processing. The main solution is to develop an indexable insert with a composite function, but the indexable insert with the composite function is not available at home and abroad at present, which brings great inconvenience to production and processing.

Disclosure of Invention

In view of the above, the main object of the present invention is to provide an indexable insert with integrated turning, boring and scraping functions, in order to achieve the above object, the technical solution of the present invention is realized as follows:

the utility model provides a but, integrated type indexable insert is scraped to car, boring, this blade is triangle-shaped, the center of blade sets up the blade centre bore, three angles and the limit of blade are provided with the cutting edge respectively, the cutting edge sets gradually the first cutting edge that is used for scraping, the second cutting edge that is used for boring and sets up the third cutting edge that is used for turning on the edge in the position from the front to the back at every angle along the direction of rotation of blade.

In a preferred embodiment of the present invention, the first cutting edge, the second cutting edge, and the third cutting edge are provided with chip breakers.

Preferably, the tough width of the blade of the first cutting edge is 0.2mm, the ligament rear angle of the blade is 1.5-2 degrees, the cutting cone angle of the blade is 6 degrees, and the cutting rake angle of the blade is 10 degrees.

Preferably, the blade cutting taper length of the second cutting edge is 4.5mm, the blade cutting front angle is 10 degrees, the blade cutting edge passivation angle is 20 degrees, and the blade cutting edge passivation width is 0.15-0.2 mm.

In the present invention, it is preferable that the rake surface of the third cutting edge is provided with a reinforcing edge, and the cutting edge length of the third cutting edge is 17.02 mm.

Preferably, the height difference between the cutting edges of the first cutting edge and the second cutting edge and the blade is 0.4 mm.

Preferably, the first cutting edge and the second cutting edge are in the same plane and have a major deviation angle of 60 ° with the third cutting edge.

Preferably, the blade has a blade relief angle of 11 °.

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

the turning, boring and scraping tools are integrally arranged on the blade, the processing of the original three processes is completed at one time, the processing efficiency of the hydraulic oil cylinder is improved, the requirement of surface smoothness Ra0.8 can be met, the production and processing cost is effectively reduced, and the industrial blank is filled; the utility model has the advantages of simple structure, stable performance and longer service life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic structural view of an indexable insert with integrated turning, boring and scraping functions, according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of a first cutting edge according to the present invention;

fig. 4 is a schematic structural view of the second cutting edge according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the terms describing the positional relationships in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1-4: the utility model provides a but turning, boring, scrape integral type transposition blade, this blade 1 is triangle-shaped, the center of blade 1 sets up blade centre bore 11, three angles and the limit of blade 1 are provided with the cutting edge respectively, the cutting edge sets gradually in the direction of rotation of blade 1 and sets up first cutting edge 2 that is used for scraping, second cutting edge 3 that is used for boring and sets up the third cutting edge 4 that is used for turning on the edge from the front to the back position at every angle.

As shown in fig. 2-4, the first cutting edge 2, the second cutting edge 3 and the third cutting edge 4 are all provided with chip breakers 8, and the chip breakers 8 are arranged according to different lengths of iron chips at different positions, so that the curling of the iron chips can be facilitated, and the chips can be conveniently removed.

As shown in fig. 3, the first cutting edge 2 has a blade toughness width 23 of 0.2mm, a blade ligament relief angle 22 of 1.5 ° to 2 °, a machined surface is polished to obtain a good surface quality, a blade cutting taper angle 21 of 6 °, and a blade cutting rake angle 24 of 10 °.

As shown in fig. 4, the blade cutting taper length 31 of the second cutting edge 3 is 4.5mm, the blade cutting rake angle 32 is 10 °, the blade edge dulling angle 33 is 20 °, and the blade edge dulling width 34 is 0.15-0.2 mm, which can effectively protect the cutting edge.

As shown in fig. 1, a reinforcing edge 41 is provided on the rake surface of the third cutting edge 4, and the cutting edge length of the third cutting edge 4 is 17.02 mm.

As shown in fig. 2-4, the height difference 7 between the cutting edges of the first cutting edge 2 and the second cutting edge 3 and the blade 1 is 0.4mm, which can effectively protect the cutting edges and is beneficial to curling iron chips.

As shown in fig. 1, the first cutting edge 2 and the second cutting edge 3 are in the same plane and have a major rake angle 9 of 60 ° with the third cutting edge 4.

As shown in fig. 2, the insert relief angle 6 of the insert 1 is 11 °.

The working principle of the utility model is as follows:

as shown in fig. 1-4, in the present invention, after the insert center hole 11 is fixed with the rotating shaft of the processing equipment, the insert 1 is triangular, the three corners and the sides of the insert 1 are respectively provided with cutting edges, the cutting edges are sequentially provided with a first cutting edge 2 for scraping, a second cutting edge 3 for boring and a third cutting edge 4 for turning at the front to back position of each corner along the rotating direction of the insert 1, the corresponding processing is performed by rotating the rotating shaft of the processing equipment, the cutting, boring and turning tools can be switched when in use, and because the insert 1 is provided with a triangular structure, when one of the tools is used, the other two tools do not affect the processing operation when in processing.

In conclusion, the turning, boring and scraping tools are integrally arranged on the blade, the processing of the original three processes is completed at one time, the processing efficiency of the hydraulic oil cylinder is improved, the requirement of surface smoothness Ra0.8 can be met, the production and processing cost is effectively reduced, and the industrial blank is filled; the utility model has the advantages of simple structure, stable performance and longer service life.

As will be apparent to those skilled in the art, many modifications can be made to the utility model without departing from the spirit and scope thereof, and it is intended that the present invention cover all modifications and equivalents of the embodiments of the utility model covered by the appended claims. .

Claims

1. The integrated turning, boring and scraping indexable insert is characterized in that the insert is triangular, an insert center hole is formed in the center of the insert, cutting edges are respectively arranged at three corners and edges of the insert, and the cutting edges are sequentially provided with a first cutting edge for scraping, a second cutting edge for boring and a third cutting edge for turning at the front to back position of each corner along the rotation direction of the insert.

2. The turning, boring and scraping integrated indexable insert of claim 1, wherein chip breakers are provided on the first cutting edge, the second cutting edge and the third cutting edge.

3. The turning, boring and scraping integrated indexable insert of claim 1 or 2, wherein the first cutting edge has an insert toughness width of 0.2mm, an insert ligament relief angle of 1.5 ° to 2 °, an insert cutting taper angle of 6 °, and an insert cutting rake angle of 10 °.

4. The indexable turning, boring and scraping insert of claim 3 wherein the insert cutting taper length of the second cutting edge is 4.5mm, the insert cutting rake angle is 10 °, the insert edge dulling angle is 20 °, and the insert edge dulling width is 0.15-0.2 mm.

5. The indexable turning, boring and scraping insert of claim 4 wherein the rake surface of the third cutting edge is provided with a reinforcing edge and the cutting edge of the third cutting edge has a cutting edge length of 17.02 mm.

6. The turning, boring and scraping integrated indexable insert of claim 5, wherein the difference in height of the cutting edges of the first cutting edge and the second cutting edge from the insert is 0.4 mm.

7. The turning, boring and scraping integrated indexable insert of claim 6, wherein the first cutting edge and the second cutting edge are in the same plane and have a major deviation angle of 60 ° from the third cutting edge.

8. The turning, boring and scraping integrated indexable insert of claim 1 or 2, wherein an insert relief angle of the insert is 11 °.