SU435093A1 - DEVICE FOR REGULATING THE AMPLITUDE OF VIBRATION MACHINE VIBRATION MACHINE - Google Patents

Description

one

The invention relates to mechanical engineering and can be used in vibratory machines, used in vibroabrasive processing, and cleaning parts, deburring, grinding, polishing, etc.

Devices are known for controlling the amplitude of oscillations without stopping the vibratory machine by changing the position of the unbalance with respect to the axis of the shaft.

The disadvantage of this device is the complexity of the design.

The proposed device differs from the known ones in that it is made in the form of a vrashaya hollow drum, on the axis of which a tube is cut in the axial plane, in which a screw with nuts having threads of different directions is mounted coaxially with it, in supporting sleeves angularly rotated, supporting elements extending beyond the pipe, connected by means of a system of bearings with moving elements (breadcrumbs) made with wedge bevels, interact with the response bevels unbalance, elastically installed in the drum: not.

This embodiment of the device allows to simplify its design.

FIG. 1 schematically a gyuk. A proposed device, general view; in fig. 2 is a section along A-A in FIG. one; in fig. 3 shows a section but BB in FIG. 1. The device contains a hollow drum 1,

mounted in housing 2 rotatably about its longitudinal axis. The housing is rigidly connected to the platform 3 of the vibration machine, on which the container 4 with the parts to be rigidly fixed. Inside the hollow drum 1 along its axis there is installed a pipe 5 cut in the axial plane, fixed in the holders 6. The bearings are installed in the end flaps 7 of the hollow drum. Inside pipe 5

A screw 8 is mounted for rotation around its geometrical axis, which is provided with cutting with right and left directions for raising helical lines and is installed in support sleeves 9 and 10. On the screw

8, nuts 11 and 12 are mounted with support elements 13 and the possibility of angular rotation and movement along support elements 14 of pipe 5. Support elements 13 of nuts 11 and 12 are made to go beyond

pipes 5. Nuts 11 and 12 are mounted in support bearings 15 and placed in movable elements, for example rusks 16. They are provided with clip bevels 17 and are axially displaceable

inside hollow drum 1. With bevels 17 dry; rey 16 interacts unbalance mounted in the hollow drum 1, having the possibility of radial relative movement. The unbalance 18 also interacts with the spring 19. The hollow drum 1 is movably mounted in the sub-pads 20. The oscillation vibration amplitude is controlled by sending the screw 8 to the torque torque. At the same time, the nuts 11 and 12 receive axial movement along the tube cut in the axial plane The supporting elements 13 of the nuts And and 12 through the thrust bearings 15 act on the crackers 16 and move them either in different directions or bring them closer. The imbalance 18, interacting with the bevels of 17 crackers 16, acquires a radial movement from the latter, ensuring the achievement of the required amplitude of vibrations of the vibration mask.

4 Item invented and

A device for adjusting the amplitude of vibration of the vibration mask without stopping the cardina by changing the position of the unbalance relative to the shaft axis, characterized in that, in order to simplify the device design, it is made in the form of a rotating hollow drum, along the axis of which a pipe cut in the axial plane is which is coaxial with it in the bearing bushings mounted screw with nuts having threads of different directions and installed with the possibility of angular rotation, with the output located in the nuts s outside the tube support members connected by bearing system with movable elements. made with wedge-shaped bevels interacting

with the response bevels on the balance, elastically installed in the drum