Cutter blade saw and super hard cutter blade
A technology of superhard blades and blades, which is applied to cutters, agricultural machinery and implements, and applications. It can solve the problems of difficulty in prolonging the life of blade saws and ensuring the fixing force, so as to prolong the life, improve the fixing force, and increase the contact area. big effect
Active Publication Date: 2014-07-02
宫电高周波设备(上海)有限公司
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- Abstract
- Description
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- Application Information
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Problems solved by technology
That is to say, these blade fixing structures are difficult to ensure sufficient fixing force on the superhard blade 102, and it is difficult to prolong the life of the blade saw.
Particularly, when adopting the fixed structure in the past, as mentioned above, the mounting direction of the superhard blade 102 relative to the blade fixing part 101 is a straight line, therefore, the contact area between the superhard blade 102 and the blade fixing part 101 is shown in Fig. Figure 13 The structure shown is the maximum that can be ensured, so it is difficult to ensure sufficient fixing force with such a structure
Method used
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Embodiment Construction
[0033] Embodiments for carrying out the present invention will be described in detail below with reference to the drawings.
[0034] Figure 1-Figure 10One embodiment of the blade saw according to the present invention is shown. Such as figure 1 As shown, the blade saw 1 is equipped with a disc-shaped base metal disc 2 having a plurality of light-weight holes 3a, and at the center of the base metal disc 2 is formed a mounting hole 4 ( not shown). In addition, there are recessed knife chambers (hook teeth) 5 in the direction of the center position of the base metal disk 2, and a plurality of hooks connected to the knife chambers 5 are formed at regular intervals on the outer peripheral edge 2a of the base metal disk 2. In the blade fixing parts 6 , blades 7 made of cemented carbide (abbreviated as superhard blades 7 ) are respectively fixed to each blade fixing part 6 by brazing.
[0035] The above-mentioned superhard blade fixing part 6 is as figure 2 As shown, it is pr...
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The invention provides a cutter blade saw and a super hard cutter blade of the cutter blade saw. The cutter blade saw is characterized in that a cutter blade fixing part of a base body metal disc is provided with three fixing surfaces including a front surface, a bottom surface and a back surface, the bottom surface is in a concave pit shape similar to a round shape, meanwhile, a cutter blade combining part is arranged on the front surface, the super hard cutter blade is provided with three fixing surfaces including the front surface, the bottom surface and the back surface, the bottom surface is similar to a round shape, meanwhile, cutter blade combining parts are arranged on the front surface, the combining parts of the super hard cutter blade rotate towards the cutter blade combining part of the cutter blade fixing part, and in addition, in the combining state, each fixing surface of the cutter blade fixing part and each surface of the super hard cutter blade are fixed through hard braze welding. The super hard cutter blade is respectively provided with protection handles at two sides of the plate thickness direction of the base body metal disc. The super hard cutter blade is rotated towards the cutter blade fixing part of the base body metal disc and is simultaneously installed, and the contact area of the cutter blade fixing part and the super hard cutter blade is increased, so the fixing force of the super hard cutter blade on the base body metal disc can be sufficiently improved, the disengagement of the super hard cutter blade can be prevented, and in addition, the service life of the cutter blade saw per se can be prolonged.
Description
technical field [0001] The present invention relates to a blade saw in which a plurality of blade fixing parts are formed on the outer periphery of a disc-shaped base metal disk, superhard blades are respectively fixed to the blade fixing parts by brazing, and a superhard blade that can be used on the blade saw. Hard blade. Background technique [0002] Originally, for example, on a blade saw used for mowing grass, a plurality of blade fixing parts are arranged on the outer periphery of the base metal plate at certain intervals, and superhard blades are respectively fixed by brazing on the blade fixing parts. use Figure 11-13 construction shown. which is, Figure 11 The structure of the blade saw shown is that a step-shaped blade fixing portion 101 is formed on the outer peripheral edge 100a of the base metal disk 100, and the bottom surface serving as the fixing surface of the superhard blade 102 is fixed to the blade fixing portion 101 by brazing. 102a and back 102b. ...
Claims
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IPC IPC(8): A01D34/73
Inventor 宫崎力
Owner 宫电高周波设备(上海)有限公司