Pressure pad device of mechanical press
A technology of mechanical presses and pressure pads, applied in the directions of presses, manufacturing tools, etc., can solve the problems of high production cost, high pit cost, and economic burden of enterprises, and achieves saving manufacturing cost, reducing gas source consumption, The effect of reducing the cost of use
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[0010] As shown in the figure, it includes a mandrel support plate 2 on which a mandrel 1 is installed. Above the mandrel 1, there is a sliding block 9 that cooperates with the workpiece to be press-formed. The sliding block 3 is driven by a crank connecting rod mechanism to periodically move upward and downward. , Also includes the cylinder 3 with power source, and the hydraulic cylinder 4 without power source.
[0011] There are two cylinders 3, which are fixed on both sides of the lower end surface of the ejector support plate 2. The cylinders 3 are connected to the air compressor air storage tank through the air pipe.
[0012] The hydraulic cylinder 4 is arranged between the two cylinders 3, and its piston rod is fixedly connected with the top rod support plate 2. The rod cavity and the rodless cavity of the hydraulic cylinder 4 are respectively connected to the tank 10 through oil pipes, and a filling valve is connected in series on the oil pipe 11. The rodless cavity of the h...
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