Floating hydraulic machine and operating method thereof
A hydraulic press, floating technology, applied in the direction of manufacturing tools, die-casting molds, ceramic molding machines, etc., can solve the problems of large thickness errors of green bodies, and achieve the effects of fast molding speed, good product consistency, and high molding efficiency
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Embodiment 1
[0040] combined with Figure 1-5 , a magnetic product molding system in a floating hydraulic press, including a mold base 16 located in the body 1, a piston 8 located at the bottom of the mold base 16, a magnetizing device on the top of the mold base 16, and an upper piston on the top of the magnetizing device 83, also includes a material injection device, the material injection device is provided with a pusher device, the pusher device communicates with the injection hopper 151, and the outlet of the injection hopper 151 communicates with the mold frame 16.
[0041]Utilize the pushing device in the injection hopper 151, utilize the pump pressure action to be able to make moisture content low (the prior art is generally 32%-36%, is 28%-36% in the present application, can be 28% during specific use, 29%, 30%, 35% or 36%) of the magnetic slurry is transported to the formwork 16 with fast forming speed, high forming efficiency, good product consistency and no defects.
[0042] T...
Embodiment 2
[0057] A kind of magnetic product forming system in a kind of floating hydraulic press of this embodiment is the same as embodiment 1, and a kind of magnetic product forming process of this embodiment, its steps are:
[0058] A, construct a kind of magnetic product forming system in a kind of floating hydraulic press described in embodiment 1,
[0059] B. Feeding: The motor-driven agitator stirs the magnetic slurry in the injection hopper 151 of the injection device, and the injection hopper 151 utilizes the effect of the high-power delivery pump of the pusher device to mix the slurry with a moisture content of 28%-36%. Magnetic slurry, inject magnetic material into the mold cavity of the mold base 16 through the magnetic material delivery pipeline, after filling the slurry in the mold cavity, close the slurry delivery inlet of the mold cavity;
[0060] C. High-pressure sealing and pressing and magnetizing: the pumping station 91 drives the upper piston 83 to move downward thr...
Embodiment 3
[0065] A lower limiting device for forming magnetic slurry in a floating hydraulic press in this embodiment includes a mold frame 16 located in the fuselage 1, the piston 8 is located at the bottom of the mold frame 16, and the top of the mold frame 16 is a magnetizing device. The top of the magnetizing device is an upper piston 83, which also includes an encoder, a pressure sensor and a hydraulic system. The encoder is located in the piston 8, and the pressure sensor is located in the mold cavity of the mold frame 16. Both the encoder and the pressure sensor are connected to the hydraulic system. The system is connected with the lower cylinder 82 which drives the piston 8 .
[0066] After the product in the prior art stops pressing, the speed of the formwork 16 cannot be reduced to zero immediately due to the driving force of the piston 8. The piston 8 has a buffer stage, which is the buffer stroke error of the piston 8. During this period, Because the mold base 16 has a cert...
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