CN218926438U

CN218926438U - High-precision reaming cutter structure

Info

Publication number: CN218926438U
Application number: CN202222691968.6U
Authority: CN
Inventors: 何振岗; 郑国爽; 刘利东
Original assignee: Daibel Wuhan Tool Co ltd
Current assignee: Daibel Wuhan Tool Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-28
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a high-precision reaming cutter structure, which comprises: the cutter body and the blade are provided with a group of axisymmetric chip removal grooves; two symmetrical blades are respectively arranged in the chip removal grooves on the cutter body, the chip removal grooves on the cutter body are of a spiral structure, and three guide grooves parallel to the chip removal grooves are formed beside the chip removal grooves on the cutter body; one end of the cutter body and the cutter head are integrally cast, the cutter head is provided with a blade, the cutter head is also provided with a guide block mechanism, and the guide block mechanism comprises a first guide block, a second guide block and a third guide block. The high-precision reaming cutter structure comprises a cutter body, a cutter head and a cutter head, wherein the cutter head is provided with a cutter head, and the cutter head is provided with a cutter head; and after cooling, performing linear cutting treatment on the cutter, and finally performing fine grinding on the outer diameter and the guide size of the cutter, so that the product manufactured by the process can have the function of facilitating chip removal through a chip groove spiral structure.

Description

High-precision reaming cutter structure

Technical Field

The utility model relates to the technical field of reaming tools, in particular to a high-precision reaming tool structure.

Background

Different parts have different precision requirements, the product requirements are not particularly high in most parts, but the precision requirements in some places in few parts are particularly high, in the continuous development of industry, the products with the high precision requirements are more and more, the cutter is also developed towards more precise and higher precision requirements under the promotion of modern industrialization, the promotion of the difficulty is also challenged, and a high-precision reaming cutter structure is also a novel product on a lifting road;

most of the reaming cutters are used at present to remove scraps directly through the vertical through grooves on the cutter head, and because the whole space between the vertical through grooves is smaller, the scraps can be extruded to the inner wall of the vertical grooves due to the centrifugal force generated when the cutter body rotates, so that the scraps are easy to block the vertical discharge grooves, and therefore, the waste scraps are required to be improved according to the defects of the conventional props in use, so that the technical defects are overcome.

Disclosure of Invention

The utility model aims to provide a high-precision reaming cutter structure, which solves the problems that most of the reaming cutters in the prior art are directly used for removing scraps through vertical through grooves on cutter heads, and the scraps are extruded to the inner wall of the vertical grooves due to centrifugal force generated when the cutter body rotates because of small integral space of the vertical through grooves, so that the scraps are easy to block the vertical discharge grooves, and therefore, the problems of the technical defects are overcome by improving the defects of the conventional prop in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high precision reaming tool structure comprising: the cutter body and the blade are provided with a group of axisymmetric chip removal grooves;

two symmetrical blades are respectively arranged in the chip removal grooves on the cutter body, the chip removal grooves on the cutter body are of a spiral structure, and three guide grooves parallel to the chip removal grooves are formed beside the chip removal grooves on the cutter body;

one end of the cutter body and the cutter head are integrally cast, the cutter head is provided with a cutter blade, the cutter head is also provided with a guide block mechanism, the guide block mechanism comprises a first guide block, a second guide block and a third guide block, the guide block mechanism area on the cutter body is identical to the outer diameter of the cutter blade, and the cutter blade is provided with four guide block mechanism areas which are identical to the outer diameter of the cutter blade, namely the cutter blade, the first guide block, the second guide block and the third guide block.

Preferably, the cutter body material is integral hard alloy.

Preferably, the blade material is PCD.

Preferably, the blades are axisymmetrically distributed on the cutter head.

Preferably, the chip removal grooves and the guide grooves are axisymmetrically distributed.

Preferably, the blade and the cutter head are welded.

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

1. according to the high-precision reaming cutter structure, the integral hard alloy is firstly cut into the required length, rough grinding treatment is carried out, and the cutter handle is mainly ground in place by rough grinding. Then grooving is carried out, a cutter chip groove and a guide groove thereof are cut, then a required blade groove is continuously cut, after the blade is cut to the required size, welding treatment is carried out, and the blade is welded on the cutter head of the cutter body; and after cooling, performing linear cutting treatment on the cutter, and finally performing fine grinding on the outer diameter and the guide size of the cutter, so that the product manufactured by the process can have the function of facilitating chip removal through a chip groove spiral structure.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

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

fig. 3 is a schematic view of a partial cross-sectional structure of a cutter head according to the present utility model.

In the figure: 101. a cutter body; 1011. a chip removal groove; 102. a guide block mechanism; 1201. a blade; 1022. a first guide; 1023. a second guide; 1024. a third guide block; 1031. a guide groove; 1041. a cutter head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a high precision reaming tool structure comprising: the cutter body 101 and the cutter blade 1201, wherein the cutter body 101 is made of integral hard alloy, the cutter blade 1201 is made of PCD, and a group of axisymmetric chip removal grooves 1011 are formed in the cutter body 101; two symmetrical blades 1201 are respectively arranged in a chip removal groove 1011 on the cutter body 101, the chip removal groove 1011 on the cutter body 101 is of a spiral structure, three guide grooves 1031 parallel to the chip removal groove 1011 are formed beside the chip removal groove 1011 on the cutter body 101, the chip removal groove 1011 and the guide grooves 1031 are axially symmetrically distributed, and the chip removal groove 1011 and the guide grooves 1031 are of spiral structures, so that when in use, scraps can be discharged to one side along the track of the spiral chip removal groove 1011;

one end of the cutter body 101 is integrally cast with the cutter head 1041, the cutter head 1041 is provided with the cutter blade 1201, the cutter blade 1201 and the cutter head 1041 are welded, so that the cutter blade 1201 and the cutter head 1041 are connected and are firmer, the cutter blade 1201 is axisymmetrically distributed on the cutter head 1041, the cutter head 1041 is also provided with the guide block mechanism 102, the guide block mechanism 102 comprises a first guide 1022, a second guide 1023 and a third guide block 1024, the outer diameter of the guide block mechanism 102 on the cutter body 101 is the same as that of the cutter blade 1201, and the outer diameter of the cutter blade 1201 is the same as that of the guide block mechanism 102 on the cutter body 101, namely the cutter blade 1201, the first guide 1022, the second guide 1023 and the third guide block 1024.

To sum up: 1-3, when the high-precision reaming cutter structure is used, firstly, cutting the integral hard alloy into required length, and carrying out rough grinding treatment, wherein the rough grinding mainly grinds the cutter handle in place; then, grooving is carried out, when grooving is carried out, the cutter chip groove 1011 and the guide groove 1031 thereof are opened, then the required blade groove is continuously opened, the chip groove 1011 and the guide groove 1031 thereof are required to be opened in a spiral structure, after the blade 1201 is cut to the required size, the welding treatment is carried out, and the blade 1201 is welded on the cutter head 1041 of the cutter body 101; after cooling, the cutter wire cutting treatment is carried out, and finally the external diameter size and the guide size of the cutter are accurately ground, so that the product manufactured by the process can play a role in facilitating chip removal through the spiral structure of the chip removal groove 1011, which is the characteristic of the high-precision reaming cutter structure.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy reaming cutter structure, includes cutter body (101) and blade (1201), its characterized in that: the cutter body (101) is provided with a group of axisymmetric chip removal grooves (1011);

two symmetrical blades (1201) are respectively arranged in a chip removal groove (1011) on the cutter body (101), the chip removal groove (1011) on the cutter body (101) is of a spiral structure, and three guide grooves (1031) parallel to the chip removal groove (1011) are formed beside the chip removal groove (1011) on the cutter body (101);

one end of cutter body (101) and cutter head (1041) integrative casting form, install blade (1201) on cutter head (1041), still install guide block mechanism (102) on cutter head (1041), guide block mechanism (102) are including first direction (1022), second direction (1023) and third guide block (1024), guide block mechanism (102) region on cutter body (101) is the same with blade (1201) external diameter region four, is blade (1201), first direction (1022), second direction (1023) and third guide block (1024) respectively.

2. The high precision reaming tool structure of claim 1, wherein: the cutter body (101) is made of integral hard alloy.

3. The high precision reaming tool structure of claim 1, wherein: the blade (1201) material is PCD.

4. The high precision reaming tool structure of claim 1, wherein: the blades (1201) are axisymmetrically distributed on the cutter head (1041).

5. The high precision reaming tool structure of claim 1, wherein: the chip removal grooves (1011) and the guide grooves (1031) are axisymmetrically distributed, and the chip removal grooves (1011) and the guide grooves (1031) are in spiral structures.

6. The high precision reaming tool structure of claim 5, wherein: the blade (1201) is welded with the cutter head (1041).