SU1366369A1 - Apparatus for vibratory working - Google Patents

Abstract

The invention relates to mechanical engineering and can be used for vibration abrasive and hardening processing. The purpose of the invention is to reduce energy consumption by eliminating the use of an external source of compressed air. The device contains (container 1, elastic-mounted on pneumatic elements 2 on the base-receiver 3 with vibration exciters 5 and electric drive 7. On the basis of the device, pneumatic chamber 8 is installed with membrane 13, inlet valve 9 and exhaust valve 10. Membrane 13 is connected to container 1 by means of hinges and hinges When the vibrodrive is running, oscillations of the container 1 are transferred to the membrane 13, which allows air from the atmosphere to be supplied to the pneumatic elements 2 through the inlet valve 9 and the exhaust valve 10 and the base of the receiver 3. Thus, working and Leniye in Pneumoelements 2 is provided without connecting to the pneumatic devices d. moseti. In the absence of air in the pneumatic ® moelementah container 2 is held in a suspended state by SRI .tsilindricheskih springs 4. yl 2. (A

Description

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The invention relates to mechanical engineering and can be used for vibration abrasive and hardening processing.

The purpose of the invention is to reduce energy consumption by eliminating the use of an external source of compressed air.

FIG. Figure 1 represents the fundamental atmosphere, filled with air. When the container 1 is moved downwardly, the membrane 13 of the pneumatic chamber 8 also moves, and the inlet valve 9 closes and the outlet 10 opens, together with the working cavity of the pneumatic chamber 8 with the receiver 3, into which a portion of air is pumped.

on the device diagram for vibrating s. For each oscillation period of the container

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processing machines; in fig. 2 - pneumatic diagram of the device.

The device for vibration treatment contains a container 1, elastically mounted by pneumatic elements 2, made in the form of rubber cord cylinders, on the base of receiver 3. Additional elastic elements 4 in the form of twisted cylindrical springs, on which the container rests in the absence of air, are mounted in the pneumatic elements in pneumatic elements. On the end walls of the container, vibration exciters 5 are attached, through elastic couplings 6, to electric-25 drive motors 7. On the base of the receiver 3, a pneumatic chamber 8 is installed, the inlet valve 9 of which is connected to the atmosphere, and the exhaust valve 10 is connected to the receiver communicating with pneumatic elements 2. A membrane 13 of pneumocamera 8 is connected to container 1 through hinges 11 by means of rod 12, which forms an operating cavity 14 with pneumatic chamber casing. Receiver 3 is equipped with an atmosphere communicating

safety valve 15. .1

The device works as follows.

At the moment of launching the device, there is no air pressure in its pneumatic network and the container 1 is supported on the base receiver 3 by means of twisted cylindrical springs 4. When voltage is applied to the drive electric motors 7, rotation from them via elastic couplings 6 is indicated by unbalance vibrators 5. Rotation of eccentric unbalanced masses exciters leads to oscillatory movement of the container 1 in a plane normal to the axis of the container. When moving the container as a result of oscillation up with it,

1, i.e. for every move. up and down, into the working cavity 14 of the pneumatic chamber 8 through the inlet valve 9, another portion of air is sucked from the atmosphere, which, when container 1 moves downward, is pumped into the receiver 3 through the exhaust valve 10. Since the vibration processing devices operate in the frequency range 17-50 Hz, and the volume of the receiver 3 with pneumatic elements 2 is 0.02-0.025 m3, for 90-120 seconds of work in pneumatic elements 2 of an elastic system, air pressure is formed enough to compensate for the mass of container 1. Here, as an example, the output time of the device VA for the stationary mode of operation was determined taking into account the following design parameters: the number of pneumatic elements 4j volume of one pneumatic element 0.003 volume of the receiver 0.01 mass of container 100 kg; the oscillation amplitude of the container is 0.005 m; the diameter of the SR, of the working cavity of the pneumatic chamber is 0.2 m. The container of the device comes out of contact with the helical cylindrical springs 4 and is elastically mounted on the pneumatic elements 2. During operation of the device, the pneumatic chamber 8 produces a constant feed with air from the receiver 3 and. associated pneumatic elements 2, as a result of which the possible loss of air pressure in the system is replenished. The overpressure is relieved with the aid of a safety valve 15, the value of whose opening pressure is regulated depending on the required natural frequency of oscillation of the container 1.

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The proposed device for vibratory treatment during operation 12 moves the membrane 13 of the pneumatic station and does not require power from the pneumatic meter 8, forming a vacuum in its working cavity 14, as a result of which the inlet valve 9 opens and the working cavity 14 of the pneumatic chamber 8 is connected

natural oscillations of the container due to a change in the stiffness of the elastic system.

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0

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1, i.e. for every move. up and down, into the working cavity 14 of the pneumatic chamber 8 through the inlet valve 9, another portion of air is sucked from the atmosphere, which, when container 1 moves downward, is pumped into the receiver 3 through the exhaust valve 10. Since the vibration processing devices operate in the frequency range 17-50 Hz, and the volume of the receiver 3 with pneumatic elements 2 is 0.02-0.025 m3, for 90-120 seconds of work in pneumatic elements 2 of an elastic system, air pressure is formed enough to compensate for the mass of container 1. Here, as an example, the output time of the device VA for the stationary mode of operation was determined taking into account the following design parameters: the number of pneumatic elements 4j volume of one pneumatic element 0.003 volume of the receiver 0.01 mass of container 100 kg; the oscillation amplitude of the container is 0.005 m; the diameter of the SR, of the working cavity of the pneumatic chamber is 0.2 m. The container of the device comes out of contact with the helical cylindrical springs 4 and is elastically mounted on the pneumatic elements 2. During operation of the device, the pneumatic chamber 8 produces a constant feed with air from the receiver 3 and. associated pneumatic elements 2, as a result of which the possible loss of air pressure in the system is replenished. The overpressure is relieved with the aid of a safety valve 15, the value of whose opening pressure is regulated depending on the required natural frequency of oscillation of the container 1.

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The proposed device for vibration treatment during operation does not require power from the pneumos.

natural oscillations of the container due to a change in the stiffness of the elastic system.

Claims (1)

Apparatus of the Invention A device for vibratory processing, comprising a working body equipped with a vibration exciter, mounted on the base by means of pneumoelastic elements, each of which is made in the form of an elastic shell connected to a receiver and means. providing working pressure in the shells, characterized in that, in order to reduce energy consumption, the means for providing working Editor A. Dolinich Compiled by A. Bukatov Tehred L. Serdyukov a The pressure in the shells is made in the form of a pneuma fixed on the base (chamber with a diaphragm, inlet and outlet valves, the membrane is kinematically connected with the working body, the inlet valve is in communication with the atmosphere, and the outlet is connected to a receiver , while the pneumatic-elastic elements are provided with cylindrical springs located inside them. fig 2 Proofreader M, Demchik