CN203765045U

CN203765045U - Indexable drill

Info

Publication number: CN203765045U
Application number: CN201420028227.2U
Authority: CN
Inventors: 许楚光
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-17
Filing date: 2014-01-17
Publication date: 2014-08-13
Anticipated expiration: 2024-01-17

Abstract

The utility model discloses an indexable drill. The indexable drill comprises a knife body provided with two spiral knife grooves, the position of the knife edge of one knife groove is provided with a first rhombus blade, the position of the knife edge of the other knife groove is provided with a second rhombus blade, the position of the first rhombus blade is located on the outer edge of the corresponding knife edge, and the position of the second rhombus blade is located at the center of the corresponding knife head. The first rhombus blade and the second rhombus blade are fixedly arranged to the knife body through bolts respectively. The rhombus included angle of the first rhombus blade and the rhombus included angle of the second rhombus blade are 80 degrees. According to the indexable drill, the universal numerical control blades with the 80-degree included angles are adopted for optimizing stress balance of the drill, production efficiency is improved, production cost is greatly reduced at the same time, service life of the drill is prolonged, and the application of the drill is expanded. The drill can be used for not only drilling in a plane, but also bottom hole drilling, bevel inlet drilling, semi-hole drilling, cylindrical turning and inner-diameter hole boring.

Description

A kind of indexable drill

technical field

The utility model relates to a kind of indexable drill, belongs to cutter field used on industrial lathe.

Background technology

Indexable (disposable type) drill bit in the past must be used special special blade, and its blade can only be with twice or three times, and recently also having occurred can be with the blade of four times, but all can only hole in the plane.

Utility model content

In order to overcome prior art indexable drill short problem in service life, the utility model provides a kind of widely used indexable drill, also greatly reduces production cost when enhancing productivity, and to the cutting of mechanical processing industry, is a new innovation.

The purpose of this utility model is carried out specific implementation by the following technical programs: a kind of indexable drill, comprise cutter body, on cutter body, have two spirality cutter grooves, edge of a knife position at a cutter groove is provided with the first diamond shaped insert, the second diamond shaped insert is installed in edge of a knife position at another cutter groove, the position of wherein said the first diamond shaped insert and in the outward flange of the edge of a knife, the position of described the second diamond shaped insert and in the center of cutter head.

Described the first diamond shaped insert, the second diamond shaped insert fixedly mount by screw and cutter body respectively.

The rhombus angle of described the first diamond shaped insert, the second diamond shaped insert is 80 °.

The relief angle of described the first diamond shaped insert is 7 ° or 11 °.

The relief angle of described the second diamond shaped insert is 7 ° or 11 °.

The utility model, general blade with 80 ° of angles, optimize the stress balance of drill bit, when enhancing productivity, greatly reduce production cost, extend the service life of drill bit, and expanded the application of drill bit: except can holing in the plane, can also have bottom outlet drilling, inclined-plane entrance drilling, half hole drilling, cylindrical turning, internal diameter Boring.

Accompanying drawing explanation

Technical scheme for clearer explanation the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparent, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the first visual angle view of indexable drill described in the utility model embodiment.

Fig. 2 is the second visual angle view of indexable drill described in the utility model embodiment.

Fig. 3 is the stereogram of indexable drill described in the utility model embodiment.

Fig. 4 is the stereogram of indexable drill described in the utility model embodiment.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is carried out to clear, complete description; obvious described embodiment is only a part of embodiment of the present utility model; not whole embodiment; embodiment based in the utility model; those of ordinary skills are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment

As Figure 1-4, a kind of indexable drill described in the utility model embodiment, comprise cutter body 1, on cutter body 1, have two spirality cutter grooves, in the edge of a knife position of a cutter groove, the first diamond shaped insert 2 is installed, in the edge of a knife position of another cutter groove, the second diamond shaped insert 3 is installed, the position of wherein said the first diamond shaped insert 2 and in the outward flange of the edge of a knife, the position of described the second diamond shaped insert 3 and in the center of cutter head.

Described the first diamond shaped insert 2, the second diamond shaped insert 3 fixedly mount by screw and cutter body respectively.

The rhombus angle of described the first diamond shaped insert 2, the second diamond shaped insert 3 is 80 °.

Described the first diamond shaped insert is used two cutting edges of blade, and the second diamond shaped insert is used other two cutting edges.

The relief angle of described the first diamond shaped insert is 7 ° or 11 °.

Wherein, blade model is the following several name of having of 80 °, rhombus:

CCMT030102、CCMT030104、CCGT030102、CCGT030104、CCET030102、CCET030104、CCMH030102、CCMH030104、CCMT040102、CCMT040104、CCMT040108、CCGT040102、CCGT040104、CCGT040108、CCET040102、CCET040104、CCET040108、CCMH040102、CCMH040104、CCMH040108、CCMT050202、CCMT050204、CCMT050208、CCGT050202、CCGT050204、CCGT050208、CCET050202、CCET050204、CCET050208、CCMH050202、CCMH050204、CCMH050208、CCMT060202、CCMT060204、CCMT060208、CCGT060202、CCGT060204、CCGT060208、CCET060202、CCET060204、CCET060208、CCMH060202、CCMH060204、CCMH060208、CCMT070202、CCMT070204、CCMT070208、CCGT070202、CCGT070204、CCGT070208、CCET070202、CCET070204、CCET070208、CCMH070202、CCMH070204、CCMH070208、CCMT080202、CCMT080204、CCMT080208、CCGT080202、CCGT080204、CCGT080208、CCET080202、CCET080204、CCET080208、CCMH080202、CCMH080204、CCMH080208、CCMT09T302、CCMT09T304、CCMT09T308、CCGT09T302、CCGT09T304、CCGT09T308、CCET09T302、CCET09T304、CCET09T308、CCMH09T302、CCMH09T304、CCMH09T308、CCMT120404、CCMT120408、CCMT120412、CCGT120404、CCGT120408、CCGT120412、CCET120404、CCET120408、CCET120412、CCMH120404、CCMH120408、CCMH120412、CCMT160404、CCMT160408、CCMT160412、CCGT160404、CCGT160408、CCGT160412、CCET160404、CCET160408、CCET160412、CCMH160404、CCMH160408、CCMH160412、CPMT030102、CPMT030104、CPGT030102、CPGT030104、CPET030102、CPET030104、CPMH030102、CPMH030104、CPMT040102、CPMT040104、CPMT040108、CPGT040102、CPGT040104、CPGT040108、CPET040102、CPET040104、CPET040108、CPMH040102、CPMH040104、CPMH040108、CPMT050202、CPMT050204、CPMT050208、CPGT050202、CPGT050204、CPGT050208、CPET050202、CPET050204、CPET050208、CPMH050202、CPMH050204、CPMH050208、CPMT060202、CPMT060204、CPMT060208、CPGT060202、CPGT060204、CPGT060208、CPET060202、CPET060204、CPET060208、CPMH060202、CPMH060204、CPMH060208、CPMT070202、CPMT070204、CPMT070208、CPGT070202、CPGT070204、CPGT070208、CPET070202、CPET070204、CPET070208、CPMH070202、CPMH070204、CPMH070208、CPMT080202、CPMT080204、CPMT080208、CPGT080202、CPGT080204、CPGT080208、CPET080202、CPET080204、CPET080208、CPMH080202、CPMH080204、CPMH080208、CPMT090302、CPMT090304、CPMT090308、CPGT090302、CPGT090304、CPGT090308、CPET090302、CPET090304、CPET090308、CPMH090302、CPMH090304、CPMH090308、CPMT120404、CPMT120408、CPMT120412、CPGT120404、CPGT120408、CPGT120412、CPET120404、CPET120408、CPET120412、CPMH120404、CPMH120408、CPMH120412、CPMT160404、CPMT160408、CPMT160412、CPGT160404、CPGT160408、CPGT160412、CPET160404、CPET160408、CPET160412、CPMH160404、CPMH160408、CPMH160412。

The above, be only specific embodiment of the utility model, but feature of the present utility model is not limited to this, any people who is familiar with this technology is in the utility model field, the variation that can expect easily or modification, all should be encompassed in following claim of the present utility model.

Claims

1. an indexable drill, comprise cutter body, on cutter body, have two spirality cutter grooves, it is characterized in that, edge of a knife position at a cutter groove is provided with the first diamond shaped insert, the second diamond shaped insert is installed in edge of a knife position at another cutter groove, the position of wherein said the first diamond shaped insert and in the outward flange of the edge of a knife, the position of described the second diamond shaped insert and in the center of cutter head; Wherein, the rhombus angle of described the first diamond shaped insert, the second diamond shaped insert is 80 °; The relief angle of described the first diamond shaped insert is 7 ° or 11 °; The relief angle of described the second diamond shaped insert is 7 ° or 11 °.