CN204772832U

CN204772832U - Fluting saw bit

Info

Publication number: CN204772832U
Application number: CN201520493387.9U
Authority: CN
Inventors: 刘占仁; 张涛
Original assignee: Hangzhou Boye Precision Instrument Co Ltd
Current assignee: Kobayashi diamond cutter (Hangzhou) Co., Ltd.
Priority date: 2015-07-06
Filing date: 2015-07-06
Publication date: 2015-11-18
Anticipated expiration: 2025-07-06

Abstract

The utility model discloses a fluting saw blade, including saw blade base member and cutting edge, the intersecting line of back knife face and side tool face is for assisting the cutting edge, the rake face, the point of intersect of back knife face and side tool face is the knife tip, the cutting edge slope sets up on the saw blade body, the name of knife tip radial is line segment A, face on the cutting edge top sets up the formation cutting part with the slope of horizontal facial features, it is alpha to cross the contained angle name that forms between front cutting edge and base member vertically face and the line segment A, line segment name on main cutting edge projection to the horizontal plane is line segment B, it is beta with the contained angle name that the knife tip tangent line formed to cross supplementary cutting edge and base member vertically face, it forms an angle of inclination gamma with the rake face to cross front cutting edge and base member vertically face, it forms an offset angle epsilon with the back knife face to cross supplementary cutting edge and base member vertically face, the utility model discloses the difficult burr that produces when slotting to the wood, fluting when being adapted to very much cutting edge cutting width ratio and exceeding 5mm.

Description

A kind of slitting saw-blade

Technical field

The utility model relates to slitting saw-blade.

Background technology

Solid wood slotting require bottom land straight time usually do not have the flat blade at inclination angle to process with front and rear knife face, its shape as shown in Figure 1-2, during cutting, when blade cutting width ratio is more than 5mm, during this blade cutting, cutting force is large, cuts out face and easily produces burr, be difficult to meet the demands.

Utility model content

The utility model object is to overcome above-mentioned the deficiencies in the prior art, provides a kind of and not easily produces burr and can ensure to cut slitting saw-blade straight at the bottom of pit.

The technical solution of the utility model is: a kind of slitting saw-blade, comprise saw blade body and blade, described blade comprises rake face and rear knife face and side knife surface, the intersection of rake face and rear knife face is main cutting edge, the intersection of side knife surface and rake face is front cutting edge, the intersection of rear knife face and side knife surface is assisted machining sword, rake face, the intersection point of rear knife face and side knife surface is point of a knife, edge tilted is arranged on saw blade body, point of a knife RADIAL called after line segment A, face on blade top and horizontal plane tilt and arrange formation cutting part, the angle called after α crossing front cutting edge and formed between the vertical face of matrix and line segment A, main cutting edge is projected to the line segment called after line segment B on horizontal plane, cross the angle called after β that the assisted machining sword face vertical with matrix and point of a knife tangent line are formed, cross the front cutting edge face vertical with matrix and rake face forms an inclination angle γ, cross the assisted machining sword face vertical with matrix and rear knife face forms an offset angle ε.

Described inclination angle γ is contrary to offset angle ε setting.

Described offset angle γ=α tg (tg ε * tg β).

The beneficial effects of the utility model are: after the utility model increases inclination angle and offset angle respectively by front and rear knife face, even if when blade cutting width ratio is more than 5mm, still can keep less cutting force during cutting, thus avoid the face of cutting out and occur burr, and can ensure at the bottom of cutting pit straight.

Accompanying drawing explanation

Fig. 1 is the structural representation of the rake face of traditional flat blade;

Fig. 2 is the structural representation of the rear knife face of traditional flat blade;

Fig. 3 is the structural representation of the utility model side knife surface;

Fig. 4 is the structural representation of the utility model rake face;

Fig. 5 is the structural representation of knife face after the utility model;

Fig. 6 is the fluting schematic diagram of the utility model rake face;

Fig. 7 is that after the utility model, knife face compensates the fluting schematic diagram after cutting.

Detailed description of the invention

Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.

Shown in composition graphs 3-5, a kind of slitting saw-blade, comprise saw blade body 1 and blade 2, described blade 2 comprises rake face and rear knife face and side knife surface, the intersection of rake face and rear knife face is main cutting edge, the intersection of side knife surface and rake face is front cutting edge, the intersection of rear knife face and side knife surface is assisted machining sword, rake face, the intersection point of rear knife face and side knife surface is point of a knife, blade 2 is inclined on saw blade body, point of a knife RADIAL called after line segment A, face on blade 2 top and horizontal plane tilt and arrange formation cutting part, the angle called after α crossing front cutting edge and formed between the vertical face of matrix and line segment A, main cutting edge is projected to the line segment called after line segment B on horizontal plane, cross the angle called after β that the assisted machining sword face vertical with matrix and point of a knife tangent line are formed, cross the front cutting edge face vertical with matrix and rake face forms an inclination angle γ, cross the assisted machining sword face vertical with matrix and rear knife face forms an offset angle ε, described inclination angle γ is contrary to offset angle ε setting, described offset angle γ=α tg (tg ε * tg β).

Claims

1. a slitting saw-blade, comprise saw blade body and blade, described blade comprises rake face and rear knife face and side knife surface, the intersection of rake face and rear knife face is main cutting edge, the intersection of side knife surface and rake face is front cutting edge, the intersection of rear knife face and side knife surface is assisted machining sword, rake face, the intersection point of rear knife face and side knife surface is point of a knife, it is characterized in that: edge tilted is arranged on saw blade body, point of a knife RADIAL called after line segment A, face on blade top and horizontal plane tilt and arrange formation cutting part, the angle called after α crossing front cutting edge and formed between the vertical face of matrix and line segment A, main cutting edge is projected to the line segment called after line segment B on horizontal plane, cross the angle called after β that the assisted machining sword face vertical with matrix and point of a knife tangent line are formed, cross the front cutting edge face vertical with matrix and rake face forms an inclination angle γ, cross the assisted machining sword face vertical with matrix and rear knife face forms an offset angle ε.

2. a kind of slitting saw-blade according to claim 1, is characterized in that: described inclination angle γ is contrary to offset angle ε setting.