RU1794674C - Machine for molding multicavity blocks from concrete mixes - Google Patents

Abstract

Usage: in the production of concrete wall stones for low-rise construction. SUMMARY OF THE INVENTION: The lift-lowering table 9 is provided with a pedal linkage with a lift-drop system mounted in a hollow stem 8, rigidly connected to a table, on the surface of which are mounted detents for a removable form. The mold is equipped with a removable pallet 22 and a bottom 20 with a hollow former 21, tubular handles 23 on the end walls, in each of which a two-arm lever 24 interacting with the removable pallet is pivotally mounted. To load the concrete mixture above the upper part of the mold, a horizontal frame 17 with beveled walls is mounted, which is rotatable in the horizontal plane, attached to the lifting and lowering table 9. 1 ill.

Description

The invention relates to the production of concrete wall stones for low-rise construction.

A device is known for forming wall stones, including a lifting and lowering vibrating table, a bottomless form, a hollow former, a loading device, and the end walls with holes for passage through them of the core barrels are mounted on the rods of the power cylinders, ensuring their movement into the mold towards each other to a friend within the limit stop-switches installed in the form, respectively, along the length of the block.

A disadvantage of the known device is the complexity of the design, the high cost of manufacture and operation.

The purpose of the invention is to simplify the design, reduce the cost of manufacture and operation.

This goal is achieved by the fact that in the machine for forming multi-hollow blocks of their concrete mixtures, including a lifting and lowering table, mold, hollow formers and loading device, the lifting and lowering table is equipped with a hollow rod, in the lower part of which there is a groove and an axis is installed, and a two-arm lever pivotally attached to the table bed, one shoulder of which is spring-loaded and equipped with a pedal, and the other has a dog pivotally attached to it, interacting with the axis, the form is equipped with a removable pallet, bottom on which Hur mounted blockouts, end walls - levers a dipper tubular with longitudinal slits, each of which is mounted two-armed lever, one arm in contact with the pallet, wherein the loading device is installed on the upper mold part and is in the form

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Rectangular frame with beveled walls.

The drawing shows the proposed machine.

It consists of a support U-shaped bed 1, one of the walls of which has a vertical slot for passing the lever 2 with the pedal 3 in the upper part. Inside the bed, to its two opposite uprights, strips 4 are fastened rigidly. A guide sleeve 5 is located between them and in the center of the bed. Two racks 6 with the pivot axis 7 of the lever 2 located on them are rigidly attached to the lower base of the bed. The guide sleeve 5 includes hollow rod 8 of the lifting-lowering table 9. The upper end of the rod is rigidly connected to the lifting-lowering table, and the lower through the existing groove is flexibly connected to the small shoulder of the lever 2 through the pivotally attached dog 10 and axis 11. The axis 11 is perpendicular angles to the groove. The large arm of the lever has a hole in the middle part for attaching one of the ends of the spring 12, and the other end is attached to the wall of the frame having a slot. On the lower surface of the lifting-lowering table, in the contact zone of one of its corners with the bed, there is a latch 13, which enters the hole of the guide 14, which is rigidly connected to the bed. On the upper surface of the lifting-lowering table diagonally to the latch 13, a bracket 15 is rigidly mounted with a removable stand 16 on which the loading device 17 is located, made in the form of a rectangular frame with beveled walls. On the upper surface of the table, around its perimeter, clamps 18 are provided for the mold.

The mold consists of a rectangular box 19 having a slope of the walls to the bottom 20. On the bottom there are hollow formers 21 with a slope of the walls to the top of the form. On the bottom 20 is a volumetric pallet 22.

Tubular arms 23 are attached to the two end walls of the mold box with longitudinal slots in the lower part, in each of which two shoulders levers 24 are mounted for extruding the movable pallet 22 with ready-made multi-hollow blocks.

The machine is operated by one operator and operates as follows.

The mold box 19 is mounted in the latches 18 of the lift-and-lower table 9. The loading device 1 / is mounted above the mold box. A movable pallet 22 is installed on the bottom 20. Concrete mixture is poured into the mold through the loading device (until the device and the mold are completely filled). The operator presses the pedal 3 of the lever 2 with his foot, while the dog 10 abuts against the axis 11 of the hollow rod 8 of the lifting-lowering table 9 and lifts it up to a height of 20 mm. On the

the maximum height of the rod 8, the dog 10 slides off the axis 11. At the same time, the lifting and lowering table 9 together with the mold mounted on it with the concrete mixture under the action of its own

gravity feeds down by the amount of rise (i.e. by 20 and 40 mm). At the end of the fall, the lift-and-lower table 9 hits the guide sleeve 5, as a result of which there is a power impulse that seals the concrete

mixture in the form by a certain amount. Complete compaction of the mixture into the mold is achieved by successively depressing the foot pedal 3 several times. The number of shakes for different mixtures is different.

For example, moderately stiff mixtures are compacted in 25-30 shakes.

At the end of the molding, the loading device 17 is rotated, the excess mixture is cut off, smoothed and the upper surface of the stones is additionally compacted with a smoothing machine.

Then, the mold is removed by tubular handles 23 from the lifting and lowering table 9, turned 180 ° and placed on a flat surface, for example, concrete floor, wood flooring, compacted soil, etc.

The operator raises the levers 24, while the small lever arm rests against

the lower part of the movable pallet 22 and extrudes it together with the molded block from the box 19 of the form. At the same time, the operator lifts the mold up by the handles of levers 24, releasing it from the freshly formed block. The mold is then mounted in the latches of the lift-lowering table, the movable pallet 22 is removed from the top of the pit stone and is installed back into the mold. After this operation, the cycle repeats. The entire molding cycle is 40-60 seconds.

The proposed device for the production of wall stones has a simple design, low price and will receive

widespread use for the production of stones for individual construction, including construction in rural areas.

Claims (1)

SUMMARY OF THE INVENTION A machine for forming multi-hollow concrete concrete blocks including a lifting and lowering table, mold, nycTOToo6pa3tmaTenM and a loading device, characterized in that, in order to simplify the design, reduce manufacturing and operating costs, the lifting and lowering table is provided with a hollow rod in the lower part of which there is a groove and an axis is installed, and a two-arm ryiag pivotally attached to the table bed, one shoulder of which is spring-loaded and provided with a pedal, and the other has a pivotally attached dog y, interacting with the axis, the mold is equipped with a removable pallet, the bottom on which the hollow formers are mounted, the end walls are equipped with tubular handles with longitudinal slots, each of which has a two-arm lever in contact with the pallet with one shoulder, and the loading device is installed above the upper part shape and made in the form of a rectangular frame with beveled walls.