SU1535704A1 - Vibrating centrifugal machine tool - Google Patents

Abstract

The invention relates to machine building and instrumentation engineering and can be used to perform finishing, grinding and hardening operations on machine parts and devices, as well as for mixing various bulk components. The aim of the invention is to increase the reliability and durability of the machine. The machine consists of inclined rotors 8 mounted on the guide frame 9. The rotors 8 receive rotation from the shaft 4 with the friction roller 10. Making the contact surfaces of the roller 10 and the rotors 8 curvilinear allows for an optimal contact pattern, which increases the durability of the contact pairs. 1 hp f-ly, 1 ill.

Description

The invention relates to machine building and instrumentation engineering and can be used to perform finishing, grinding and hardening operations on machine parts and devices, as well as for mixing various bulk components.

The aim of the invention is to increase the reliability and durability of the machine.

The drawing shows a machine, a general view.

The machine consists of an electric motor 1, a variator 2, a clutch 3, a shaft 4 of rotors passing through rolling support 5, traverse 6, in bores of which freely mounted on axis 7 are inclined rotors 8 having curvilinear convex generators contacting at the bottom with curvilinear - concave mating surface

guide frame 9 and kinematically connected in the upper part with a spring-loaded friction roller 10, which is shaped as a curvilinear-convex. The roller 10 is movably connected by splines to the rotor shaft 4 and is spring-loaded for sampling gaps.

The constituents of elements 8 and 10 are made, for example, as part of a parabola, i.e. the rotors 8 and the friction roller 10 are truncated paraboloids of rotation, i

On the rotors there are crank-and-rift mechanisms 11, for the drive of which gears are provided, gears Z ″ - 7 and 7. 3 Z On the racks of the crank mechanisms, the landing cones driven by angular oscillatory movements,

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to which, by means of elastic elements, containers 12 are fastened.

The axis of each of the elastic elements 13 forms with a geometric axis of the axisymmetric container an angle ot equal to the angle p of the inclination of the rotor to the horizontal. The equality of these angles ensures minimal non-central compression of the elastic elements by the force and gesture of the container together with the mass loaded into it.

The machine works as follows

The containers 12 filled with the working medium are placed on the landing cone. Include the electric motor 1, which through the variator 2 and the coupling 3 causes the rotation of the shaft 4 of the rotors with the friction roller 10, which sets the inclined rotors 8 to rotate around their geometrical axes. This movement through gears Z-Za and Z-Z and the crank mechanism 11 is converted into an angular oscillatory motion of the working chambers.

The implementation of the interacting surfaces of the elements 10 and 8 with curvilinear contributes to the reliable operation of the friction pairs and the durability of the roller 10, the working surfaces of the rotor 8 and the guide frame 9.

The elastic installation of a parabolic roller 10 on the rotor shaft 4 contributes to the selection of gaps in the joints, eliminates installation and manufacturing inaccuracies, and to the greatest extent contributes to the equality of the linear velocities of the points of the contacting surfaces, ensures the optimum value of the contact point taking into account the magnitude of contact stresses depending on on the radii of curvature and the material of the interacting elements, the reduced load.

The parabolic surfaces of the rotors 8 roll over the mating surfaces of the guide frame 9. The rotor 8, together with the crosshead 6, rotates around the axis of the rotor shaft 4, which has 5 rolling bearings. The inclined rotors 8 receive planetary motion, and the working chambers move along complex spatial trajectories with superimposed angular oscillations. Since the working containers 12 are connected to the landing cones of the crown-and-beam mechanism 11 via elastic elements 13, then with plane angular oscillations of the landing cones, the walls of the working containers 12 receive volume fluctuations.

Claims (2)

1. A vibrating centrifugal machine, containing a frame, a rotor connected to a rotational drive, containers arranged around the circumference of the sockets, and kinematically connected to the rotor shaft by means of a gear drive, oscillating movements of the containers, while the rotor is rotatably mounted in the shaft housing at an angle to its axis and rolling its peripheral surface along an annular guide frame, and the rotor shaft is kinematically connected with the peripheral surface of the rotor by means of a spring-loaded friction roller mounted on its free end, which, in order to increase reliability and durability, the contact surfaces of the friction roller and the rotor is made in the form of surfaces of rotation with convex curvilinear generators, and the annular guide frame is made in the form of a reciprocal periphery of the rotor concave rotation surfaces. 2. The machine tool according to claim 1, characterized in that the contacting surfaces of the friction roller, the rotor and the guideway are made in the form of paraboloids. Compiled by A. Bukatov Editor I. Rybchenko Tehred M. Didyk Proofreader L. Beskid Order 75 Circulation 590 VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab. 4/5 "..-..-.-. - ..------------------ ------- -" ...---- Production and Publishing Combine Patent, Uzhgorod, st. Gagarin, AI Subscription