The mechanism of automatic replacement of fixed knife of steel bar automatic hoop bending machine
A technology of automatic replacement and fixed knives, applied in the field of automatic steel bar hoop bending machines, can solve the problems of single processing specifications of fixed knives, low production efficiency, complicated replacement, etc., to achieve a wide production range, high production efficiency, and save time for knife changing. Effect
Active Publication Date: 2015-08-19
TJK MACHINERY TIANJIN
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Problems solved by technology
The fixed knife of the above-mentioned prior art automatic hoop bending machine has the defects of single processing specification of the fixed knife, cumbersome replacement and low production efficiency
Method used
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Embodiment Construction
[0019] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0020] Such as Figure 1 to Figure 3 As shown, the present invention provides an automatic replacement fixed knife mechanism of a steel bar automatic hoop bending machine, wherein the automatic replacement fixed knife mechanism includes:
[0021] A rotary knife seat 6, the rotary knife seat 6 is rotatably hinged on the shearing fixture 9 through a bearing 8, and the lower part of the shearing fixture 9 is provided with a steel bar shearing hole 9a along the steel bar 7 conveying axial position.
[0022] A plurality of fixed knives that respectively pass through the steel bars 7 of different specifications are installed at intervals on one side of the rotary knife seat 6 adjacent to the shearing fixed frame 9, namely the first fixed knife 4a, the second fixed knife 4b, the third fixed knife 4c, the second fixed knife Four fixed knives 4d, the positions o...
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The invention discloses an automatic replacement fixed knife mechanism for a steel bar automatic hoop bending machine. According to the automatic replacement fixed knife mechanism, a rotating knife holder is hinged to a cutting fixing frame, and the lower portion of the cutting fixing frame is provided with steel bar cutting holes; a plurality of fixed knives are installed on one side of the rotating knife holder and correspond to the steel bar cutting holes, an inner gear is positioned on the other side of the rotating knife holder, a small gear meshed with the inner gear of the rotating knife holder is positioned at one end of a gear shaft, the other end of the gear shaft is connected with a motor reducer, and the motor reducer is supported on the fixing frame. The automatic replacement fixed knife mechanism has the advantages that the fixed knives of different specifications are installed on the rotating knife holder, the positions of the fixed knives are transformed rotatably through the rotating knife holder so as to process steel bars of different specifications, the steel bars of different specifications can be processed on the steel bar automatic hoop bending machine, and the automatic replacement fixed knife mechanism has the advantages of saving knife replacement time and being wide in production range and high in production efficiency. In addition, the fixed knives are installed on the rotating knife holder through fasteners, and new fixed knives can also be replaced extremely conveniently.
Description
technical field [0001] The invention relates to an automatic steel bar hoop bending machine, in particular to an automatic replacement fixed knife mechanism of the steel bar automatic hoop bending machine. technical background [0002] With the rapid development of economic construction, the automatic processing equipment for stirrups - the automatic bending machine for steel bars has been widely used. The prior art steel bar automatic hoop bending machine comprises: a feeding mechanism, a traction mechanism, a straightening mechanism, a bending mechanism and a shearing mechanism. The shearing mechanism in the automatic hoop bending machine is usually set between the straightening mechanism and the bending mechanism. The function of the shearing mechanism is to cut off the bent and formed stirrups and then collect the finished products. [0003] Figure 4 It is a structural schematic diagram of the fixed knife in the shearing mechanism of the automatic steel bar bending mac...
Claims
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IPC IPC(8): B21F11/00
Inventor 陈振东
Owner TJK MACHINERY TIANJIN