SU407742A1 - DEVICE FOR CUTTING OF UNCONDITIONED CERAMIC PRODUCTS - Google Patents

Description

one

The invention relates to devices for cutting unfired ceramic products, in particular, for cutting cylindrical drainage tubes with the formation of chamfers of colored volumetric configurations at the ends.

A device for cutting unfired ceramic products, comprising a pressure chamber with an outlet nozzle and electrodes and a pipeline with a shut-off valve, is known.

The purpose of the invention is to increase labor productivity and reduce energy intensity.

This is achieved by the fact that the pressure chamber casing is made of two halves, the end surfaces of which are provided with channels forming the nozzle in the form of a closed annular slot, the latter forming a truncated cone, the apex of which lies on the axis of the slot.

The drawing shows the proposed device, a General view.

A cutting head is installed on the flange 1 of the outlet pipe of the extruder press, consisting of internal 2 and external 3 nolucroses, which are interconnected so that an annular channel 4 is formed at the junction of their ends, inclined at an angle to the axis of the tube 5.

A fitting is installed in the body of the semi-housing 3

6 with two electrodes 7 connected to the power source 8 through an appropriate electrical circuit.

Semi-body 2 is provided with an annular pressure chamber 9, which has a cross-sectional profile that provides directional discharge of fluid through the annular channel. For supplying the working fluid to the pressure chamber, the semi-body 3 is provided with an inlet fitting 10 with a check valve I.

The core 12 has an annular groove 13 for the release of water and particles of the material of the tube when it is cut.

During operation of the extruder press, through its outlet nozzle and flange 1, tube 5 is extruded, its internal channel is formed by a core 12. In the pressure chamber 9 formed by semi-bodies 2 and 3, through fitting 10

and the check valve 11 enters the water from the pressure line.

To cut the tube 5 of a given length, a current pulse from the power source 8 is applied to the electrodes 7 and, as a result of the discharge between the electrodes 7, an increased pressure is generated in the core chamber 9, whereby a part of the fluid from chamber 9 is ejected through the channel 4 at an angle to the generator

tubes 5. Water released under pressure 1M from chamber 9, by converging radii, penetrates into the body of tube 5, cutting it and forming at the same time an internal chamfer on the outgoing part of the tube 5 and an outer chamfer on the remaining part of it. The water used and the particles of the mass of the tube 5 fall into the annular channel 13 of the keria 12 and are removed. The cycle is over. The high performance of the described device is determined by the time of discharge of the working fluid by the pressure chamber 9. The device operates from industrial energy sources and is highly reliable, since it has no moving parts. 4 Subject of the Invention 1. A device for cutting unbaked ceramic products, comprising a pressure chamber with output sol and electrodes and a pipeline with a shut-off valve, which is such that, in order to increase labor productivity and reduce energy intensity, the pressure chamber housing is made of two halves, the end surfaces which are provided with channels forming the nozzle in the form of a closed annular gap. 2. The device according to claim 1, wherein the 410 closed annular slit forms a truncated cone, the top of which lies on the axis of the slit.