CN2656007Y

CN2656007Y - Hobbing cutter for paper cutting machine

Info

Publication number: CN2656007Y
Application number: CN 200320109231
Authority: CN
Inventors: 邬伟国
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-27
Filing date: 2003-10-27
Publication date: 2004-11-17
Anticipated expiration: 2013-10-27

Abstract

The utility model discloses a hob cutter used for a kneader, comprising a group of left and right cutting blade (1, 2) which can be sleeve fixed on the kneader knife shaft, wherein the cutting blade is equipped with cutting teeth (11, 21), the two cutting teeth are respectively equipped with a knife tip (11a, 21a), two tip angles of the left and the knife tip (11a, 21a) are closed to a component knife tip with one tip angle, and the cutting blade is also equipped with cutting plate edges (12, 22) with bigger cutting angles. The utility model adopts that the left and the right knife tips two tip angles close to the component knife tip with one tip angle, since one knife tip integrates cutting off and tearing off forces to paper of two knife tips originally, such kind of component method can cut off thicker paper layer once, and makes the fully divorced rate of the broken paper higher, the cutting blade also has the cutting plate edges with bigger cutting angles to make the edges sharper, be able to cut thicker paper layers and make to cut the thicker paper layers. The utility model has big strength, easy process and stable and reliable performance.

Description

The roll blade that a kind of shredder is used

Technical field

The utility model relates to roll blade, particularly relates to the roll blade that a kind of shredder is used.

Background technology

The cutting angle of common shredder roll blade is 0 degree, and the blade angle of wedge is 90 degree, and its outer rim generally all is shaped on some blades, is the arc part of a circular foil member outer rim to be dashed remove, so that make the only surplus some serrated edge of this sheet metal outer rim.This roll blade mainly is to carry out the action of shredded paper by this blade, and the sharp-pointed degree of this blade end must influence the efficient of its shredded paper.When this blade tip designs when being sharp-pointed, very easily produce the phenomenon of passivation and shorten life-span of blade, if respectively this blade tip designs is for more sharply the time, it can't thrust paper again and carry out the action of shredded paper smoothly.The shredded paper action of this roll blade is that " thrusting " paper " is torn " more earlier, is not the mode shredded paper with " cutting ".When the fiber of paper was longer, the blade of this indentation often was difficult for thrusting paper, and the step of so promptly can't carry out again " tearing ", and then shredded paper successfully influence its practicality.The applying date is on 01 26th, 2000, and application number is 00202986.3 Chinese utility model patent " shredder bowl-type blade " (publication number is CN2410041Y), discloses a kind of shredder bowl-type blade.This blade is bowl shaped structure, is made of annular flat surface and cone, and its endoporus is to form the polygon through hole that is in transmission connection with blade shaft, and the excircle of annular flat surface is arc toothed structure, and outer edge has the keen edge of cutting angle α.Though technical have an improvement, this blade only limits to paper is cut into strip, and the shape of paper can't being cut into chunks.Existing commercially available a kind of roll blade though can have the function of cut-out, because the cutting angle of blade is 0 degree, causes it can not cut than the ground paper layer.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of roll blade of using than the shredder of ground paper layer that once can shred, the active force that it can concentrate original two points of a knife that paper is cut off and pulls apart at above-mentioned prior art deficiency.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the roll blade that a kind of shredder is used, comprise one group of left and right segment blade that can be fixed on the knife pivot of paper crusher, described segment blade all has the segment cutter tooth, this two segments cutter tooth is shaped on point of a knife respectively, the technical measures of taking comprise: described left and right point of a knife two wedge angles fit into the combination point of a knife of a wedge angle, and described segment blade also all has the slitting blade at big cutting angle.

For optimizing technique scheme, the measure of being taked also comprises:

For making blade sharper, be convenient to be cut into strip with opening than ground paper; Above-mentioned slitting knife cutlery has cold-extruded to extrude the cutting angle of 30 degree to 45 degree, and its corresponding blade angle of wedge is that 60 degree are to 45 degree.

Be cut into strip for ease of opening than ground paper, the paper dialysis is more thorough, and above-mentioned slitting knife cutlery has cold-extruded to extrude the thirty-degree cut angle, and its corresponding blade angle of wedge is that 60 degree are for best.

For ease of opening the shape of cutting into chunks than ground paper, the angle of wedge of the wedge angle of above-mentioned combination point of a knife is that 40 degree are to 80 degree.

For ease of opening the shape of cutting into chunks than ground paper, the angle of wedge of the wedge angle of the combination point of a knife of stating is that 60 degree are for best.

Compared with prior art, the utility model adopts left and right point of a knife two wedge angles to fit into the combination point of a knife of a wedge angle, concentrated former two points of a knife to the cut-out of paper with pull apart active force owing to piece together a point of a knife, this compound mode once can be shredded than the ground paper layer, and makes the full dialysis rate of completion of shredded paper section higher; The segment blade also all has the slitting blade at big cutting angle, makes blade sharper, can profoundly thicker ply of paper, and the paper dialysis is more thorough.Big, the easily processing, stable and reliable for performance of its intensity.

Description of drawings

Fig. 1 is the left blade structure schematic diagram of the utility model embodiment;

Fig. 2 is the cross-sectional schematic of looking up of Fig. 1;

Fig. 3 looks cross-sectional schematic for the left side of Fig. 1;

Fig. 4 is the left blade structure schematic diagram of the utility model embodiment;

Fig. 5 is the cross-sectional schematic of looking up of Fig. 4;

Fig. 6 looks cross-sectional schematic for the left side of Fig. 4.

The specific embodiment

Extremely shown in Figure 6 from Fig. 1, the roll blade that a kind of shredder is used, comprise one group of left cut section blade 1, the right cut section blade 2 that can be fixed on the knife pivot of paper crusher, segment blade 1,2 all has segment cutter tooth 11,21, this two segments cutter tooth is shaped on point of a knife 11a, 21a respectively, this left and right point of a knife 11a, 21a two wedge angles fit into the combination point of a knife of a wedge angle, for ease of opening the shape of cutting into chunks than ground paper, the angle of wedge of wedge angle of combination point of a knife be 40 degree to 80 degree, the angle of wedge of the wedge angle that closes point of a knife that the utility model group is selected for use is that 60 degree are for best.Segment blade 1,2 also all has the slitting blade 12,22 at big cutting angle; For making blade sharper, to be convenient to be cut into strip with opening than ground paper, the slitting knife cutlery has cold-extruded to extrude the cutting angle of 30 degree to 45 degree, and its corresponding blade angle of wedge is that 60 degree are to 45 degree; For ease of the paper dialysis is more thorough, the utility model selects for use the slitting knife cutlery to have cold-extruded to extrude the thirty-degree cut angle, and its corresponding blade angle of wedge is that 60 degree are for best.

The utility model adopts left and right point of a knife two wedge angles to fit into the combination point of a knife of a wedge angle, concentrated former two points of a knife to the cut-out of paper with pull apart active force owing to piece together a point of a knife, this compound mode once can be shredded than the ground paper layer, and makes the full dialysis rate of completion of shredded paper section higher; The segment blade also all has the slitting blade at big cutting angle, makes blade sharper, can profoundly thicker ply of paper, and the paper dialysis is more thorough.Big, the easily processing, stable and reliable for performance of its intensity.

Claims

1, the roll blade used of a kind of shredder, comprise one group of left and right segment blade (1,2) that can be fixed on the knife pivot of paper crusher, described segment blade all has segment cutter tooth (11,21), this two segments cutter tooth is shaped on point of a knife (11a, 21a) respectively, it is characterized in that: described left and right point of a knife (11a, 21a) two wedge angles fit into the combination point of a knife of a wedge angle, and described segment blade also all has the slitting blade (12,22) at big cutting angle.

2, the roll blade used of a kind of shredder according to claim 1 is characterized in that: described slitting blade (12,22) has cold-extruded and extrudes the cutting angles of 30 degree to 45 degree, and its corresponding blade angle of wedge is that 60 degree are to 45 degree.

3, the roll blade used of a kind of shredder according to claim 1 is characterized in that: described slitting blade (12,22) has cold-extruded and extrudes the thirty-degree cut angle, and its corresponding blade angle of wedge is 60 degree.

4, the roll blade of using according to the described a kind of shredder of the arbitrary claim of claim 1 to 3 is characterized in that: the angle of wedge of the wedge angle of described combination point of a knife is that 40 degree are to 80 degree.

5, the roll blade of using according to the described a kind of shredder of the arbitrary claim of claim 1 to 3 is characterized in that: the angle of wedge of the wedge angle of described combination point of a knife is 60 degree.