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Saw blade

A saw blade and main blade technology, applied in the field of saw blades, can solve problems such as uneven load on straight cutting edges, wear of cutting teeth, stuck corners on both sides, etc., and achieve the effect of improving cutting efficiency

Inactive Publication Date: 2016-10-26
常州盟拓工具科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: in order to solve the problem that the straight saw blade may be stuck in the material of the workpiece when cutting the corner areas on both sides. The blade is subjected to uneven load, resulting in the wear of the cutting teeth in the corner area, which is much more serious in the middle area. The present invention provides a saw blade that can not only solve the above problems, but also make the debris generated when the workpiece is cut loose and easy to remove. , thus improving the cutting efficiency

Method used

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Effect test

Embodiment 1

[0060] Such as Figure 3~4 As shown, the left and right width of the main piece 1 is 32.5mm. The main piece 1 includes several cutting teeth 5, the cutting teeth 5 are spur teeth and its tooth tips are vertically upward, and the tooth tips of the several cutting teeth 5 form a cutting edge. , the two parts of the 0th stage cutting edge segment 200 located on the left and right sides of the rotation axis 3 are symmetrical with respect to the rotation axis 3, the 0th stage cutting edge segment 200 is a straight line segment with a length of 7.2 mm; the left side of the 0th stage cutting edge segment 200 The side is provided with the -1st stage cutting edge segment 203 and the -2nd stage cutting edge segment 204, the right side is provided with the 1st stage cutting edge segment 201 and the 2nd stage cutting edge segment 202, the -1st stage cutting edge segment 203, The second-stage cutting edge segment 204, the first-stage cutting edge segment 201, and the second-stage cutting e...

Embodiment 2

[0062] Such as Figure 5~6 As shown, the left and right width of the main piece 1 is 33.2mm, the main piece 1 includes several cutting teeth 5, the cutting teeth 5 are helical teeth, the tooth tips of all the cutting teeth 5 are inclined to the right, and the tooth tips of several cutting teeth 5 Forming a cutting edge, the 0th stage cutting edge segment 200 is located on the left and right sides of the rotation axis 3. The two parts are symmetrical with respect to the rotation axis 3, and the 0th stage cutting edge segment 200 is a straight line segment with a length of 4.6mm; the 0th stage cutting edge segment The left side of 200 is provided with the -1st stage cutting edge segment 203, the -2nd stage cutting edge segment 204 and the -3rd stage cutting edge segment, and the right side is provided with the 1st stage cutting edge segment 201, the 2nd stage cutting edge segment 202 and the 3rd stage cutting edge segment, the -1st stage cutting edge segment 203, the -2nd stage ...

Embodiment 3

[0064] Such as Figure 7~8 As shown, the left and right width of the main piece 1 is 32.5mm, the main piece 1 includes several cutting teeth 5, the cutting teeth 5 are helical teeth, the tooth tips of all the cutting teeth 5 are inclined to the left, and the tooth tips of several cutting teeth 5 Form a cutting edge. The two parts of the 0th-order cutting edge segment 200 located on the left and right sides of the rotation axis 3 are symmetrical with respect to the rotation axis 3. The 0-stage cutting edge segment 200 is an arc, and the distance between the two ends of the arc is 7.2 mm and its center of circle is located on the rotation center of the saw blade; the left side of the 0th stage cutting edge segment 200 is provided with the -1st stage cutting edge segment 203 and the -2 stage cutting edge segment 204, and the right side is provided with the 1st stage The cutting edge segment 201 and the 2nd stage cutting edge segment 202, the -1st stage cutting edge segment 203, t...

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Abstract

The invention provides a saw blade. The saw blade comprises a main blade body, and a cutting edge is arranged on the head of the upper end of the main blade body and comprises a plurality of cutting edge segments arranged in the following form that a cutting edge segment penetrated by a rotating axis of the saw blade refers to a zeroth cutting edge segment, and a first cutting edge segment, a second cutting edge segment...an nth cutting edge segment are sequentially arranged on the right side of the zeroth cutting edge segment. The saw blade has the advantages that since the cutting edge of the saw blade are in step-like arrangement from the middle to two sides, the problems that corners on two sides of a straight saw blade are likely to be stuck into materials of workpieces during machining, and a straight cutting edge is laden unevenly to result in that cutting teeth in the corners wear out more severely than those in the middle due to the fact that only the corners are in contact with the workpieces during rotating direction change are solved; loose chips and scraps produced during workpiece cutting can be easily discharged through a notch between every two adjacent steps, so that cutting efficiency is improved.

Description

technical field [0001] The invention relates to a cutter of a sawing device, in particular to a saw blade. Background technique [0002] The Chinese patent with the publication number CN104029255A and the publication date of 2014.09.10 discloses a straight saw blade, which is used to cut wood with an oscillating power tool whose output shaft swings around its own axis. The straight saw blade includes a main body, A cutting edge disposed at one end of the main body and a connecting hole opened in the main body, the connecting hole is matched with the output shaft. The straight cutting edge of this straight saw blade presents the following problems when cutting: the corner areas on both sides may get stuck in the material of the workpiece during machining, and when the direction of rotation is reversed, only the corner areas are in contact with the workpiece, so that the straight The cutting edge is subjected to uneven load, resulting in the wear of the cutting teeth in the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D61/00
CPCB23D61/00
Inventor 秦欢吴万朝
Owner 常州盟拓工具科技有限公司