Atomization preparation device for superfine alloy powder
A technology of alloy powder and preparation device, which is applied in the field of atomization equipment for ultra-fine alloy powder, can solve the problems of reducing the vibration frequency and amplitude of the bar, uneven pressure of the bar, and large loss, so as to reduce the amplitude and vibration. frequency effect
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Embodiment 1
[0038] as Figure 1-4 As shown, a atomization preparation apparatus of an ultrafine alloy powder, comprising a dynamic sealing device 100, further comprising a high-speed bearing 200 and a constant pressure assembly 300;
[0039] The high-speed bearing 200 includes an outer ring 210 and an inner ring 220; a high-speed bearing 200 is coaxial with a bar 400;
[0040] The outer ring 210 is fixed in the housing of the atomization preparation device, the outer ring and the dynamic sealing device 100 gas-tight;
[0041]The constant pressure assembly 300 includes a medium ring compartment 310, an elastic part 320, a fixed rod 330, a moving roller 340;
[0042] The medium ring compartment 310 is a hollow annular housing, the outer ring wall of which is fixed to the inner ring surface of the inner ring 220; the medium ring compartment 310 is coaxial with the bar 400; the medium ring compartment 310 is filled with a pressurized medium 350, the pressurized medium is a mixture of gas, liquid o...
Embodiment 2
[0051] The viscosity of air and water is small, in the large diameter of the bar and high speed, the pressurized medium 350 needs to be under a larger pressure to effectively reduce the amplitude and frequency of the bar. For the medium ring warehouse 310, the structural strength, sealing, especially the sealing conditions of the elastic part 320 are required to be high. The elastic part 320 will be deformed under pressure, and the elastic deformation of the long-term linear action will be different due to the aging of the material, so that the pressure on the bar 400 will change.
[0052] Therefore, the pressurized medium 350 to use a more viscous material, so the use of melting point in a temperature range paraffin wax, paraffin melting point according to the different material selection, there are different melting temperature ranges, and paraffin has a softening process, viscosity is larger, in the elastic part of the force 320, and the need for medium ring warehouse 310 withi...
Embodiment 3
[0060] The shape of the longitudinal section of the media ring warehouse 310 has a greater impact on the force state of the hardened paraffin wax, the hardened paraffin formed by the square tube is a cylindrical surface, the elastic part is 320 displacement, so that the point on the cylindrical surface is subjected to normal pressure, the force is local, and the local is subjected to the shear force of the normal, and the paraffin hardening is more like brittle material, and the upper limit of the force is not high. Therefore, the shape of the inner toroidal surface of the medium ring warehouse 310 is further improved, so that the hardened paraffin from the edge of the inner side to the elastic part 320 is a slope or arc surface, when subjected to normal force can have a part of the transmission to the slope or arc side of the hard paraffin, so that the paraffin as a whole is stressed, through the cracking of the paraffin wax to absorb the pressure formed by vibration. After the e...
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