CN202411447U

CN202411447U - Rough boring cutter

Info

Publication number: CN202411447U
Application number: CN2011205489567U
Authority: CN
Inventors: 周小峰
Original assignee: CHANGZHOU NORTHERN ALLOY TOOLS Co Ltd
Current assignee: CHANGZHOU NORTHERN ALLOY TOOLS Co Ltd
Priority date: 2011-12-24
Filing date: 2011-12-24
Publication date: 2012-09-05
Anticipated expiration: 2021-12-24

Abstract

The utility model relates to a cutter, in particular to a rough boring cutter, which comprises a hilt and a cutter bit. The cutter bit and the hilt are structurally integrated, the hilt is a Morse hilt without a flat tail, a screw hole is arranged at the tail of the hilt, the cutter bit is a sectional cutter bit, the tail of a front-end cutter bit is connected with the head of a rear-end cutter bit, the diameter of the front-end cutter bit is smaller than that of the rear-end cutter bit, and a blade is fixed to the head of each section of the cutter bit. After the structure is adopted, the sectional cutter bit is stepped, one-off cutting load is shared by the front-end cutter bit and the rear-end cutter bit, damage to each cutter bit is reduced, accordingly, the rough boring cutter can be used for a longer period and is more durable, and the cutting and molding speed is increased in each machining process.

Description

The heavy boring cutter

Technical field

The utility model relates to a kind of cutter, particularly a kind of heavy boring cutter.

Background technology

The heavy boring cutter belongs to a kind of of cutting element, and the workpiece that the heavy boring cutter is mainly used in needs processing carries out preliminary cutting.Owing to be preliminary cutting, cutting output is bigger, so also be bigger to the wearing and tearing of heavy boring cutter, the heavy boring cutter just can not use for a long time.The problem of heavy boring cutter durability is the current numerous cutter producer technical issues that need to address.

Summary of the invention

The technical issues that need to address of the present invention provide the more permanent heavy boring cutter of a kind of use.

For solving above-mentioned technical problem; The heavy boring cutter of the utility model comprises handle of a knife and the cutter head that is structure as a whole with handle of a knife, and said handle of a knife adopts no tang Mohs handle of a knife, and said handle of a knife afterbody has screw; Said cutter head is the segmented cutter head, and front end cutter head afterbody is connected with rear end cutter head head; Said front end tool bit diameter is less than the rear end tool bit diameter; Said every section cutter head head is fixed with blade.

Each cutter head is fixed with two blades, and said blade is about the central shaft symmetry of cutter head.

After adopting said structure; The segmentation cutter head forms stepped, and cutting output is once shared to the cutter head of front-end and back-end, and the damage of each cutter head has just been reduced; Like this can so that the heavy boring cutter can use more for a long time, more durable, simultaneously the speed of each cutting forming has also been accelerated.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.

Fig. 1 is the structural representation of the utility model.

Among the figure: 1 is handle of a knife, and 2 is screw, and 3 is the rear end cutter head, and 4 is the front end cutter head, and 5 is blade, and 6 is central shaft

The specific embodiment

Heavy boring cutter as shown in Figure 1; Comprise handle of a knife 1 and the cutter head that is structure as a whole with handle of a knife; Said handle of a knife 1 adopts no tang Mohs handle of a knife, and said handle of a knife 1 afterbody has screw 2, can whole heavy boring cutter be fixed on like this that the parts to required processing cut on the rotating shaft through screw 2.Said cutter head is the segmented cutter head, and front end cutter head 4 afterbodys are connected with rear end cutter head 3 heads.The diameter of said front end cutter head 4 is 30.5mm, and the diameter of rear end cutter head 3 is 21.5mm, and the diameter of front end cutter head 4 is less than the diameter of rear end cutter head 3.Front end cutter head 4 forms stair-stepping whole cutter head with rear end cutter head 3 like this.Said every section cutter head head is fixed with blade, and each cutter head is fixed with two blades 5, and said blade 5 is about central shaft 6 symmetries of cutter head, and this is to make that cutting is more easy.

When workpiece was carried out cut, front end cutter head 4 is the contact cutting face earlier, earlier workpiece is cut; When rear end cutter head 3 touched the cutting face, rear end cutter head 3 just cut.So just the cutting output of whole work-piece is assigned on front end cutter head 4 and the rear end cutter head 3, has reduced the wear extent of each cutter head, make more permanent that whole heavy boring cutter can be enough.

Claims

1. heavy boring cutter; Comprise handle of a knife and the cutter head that is structure as a whole with handle of a knife, said handle of a knife adopts no tang Mohs handle of a knife, and said handle of a knife afterbody has screw; It is characterized in that: said cutter head is the segmented cutter head, and front end cutter head afterbody is connected with rear end cutter head head; Said front end tool bit diameter is less than the rear end tool bit diameter; Said every section cutter head head is fixed with blade.

2. according to the described heavy boring cutter of claim 1, it is characterized in that: each cutter head is fixed with two blades, and said blade is about the central shaft symmetry of cutter head.