SU1155456A1 - Installation for moulding articles of concrete mixes - Google Patents

Abstract

INSTALLATION FOR FORMING PRODUCTS FROM CONCRETE MIXTURES containing a bunker, a dispensing device located under it, a mold installed on the inside of a broach, and a vacuum device mounted on the carriage, characterized in that, in order to ensure the possibility of forming multi-layer products and ease of use, the device will have a fixture. on the carriage of the measuring tank with a driven horizontally movable bottom, with the capacity configuration in the plan corresponds to the shape configuration in the plan e.

Description

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This invention relates to the manufacture of precast concrete and reinforced concrete products.

A known device for forming concrete products, containing a frame, a bunker mounted thereon, an underslash feeder with a power cylinder, an intermediate tank for predosing with a bottom in the form of a movable cutter, which is permanently placed under the receptacle directly above the mold fixed on vibrating table .1.

The disadvantage of this installation is that it does not provide high physicomechanical parameters of the molded products due to the absence of a vacuum device in it.

Closest to the present invention is an installation for molding concrete products, containing a hopper, a dispensing device located above it, a mold mounted on a vibrating table and a vacuum device 2 mounted on a carriage.

However, the known installation does not provide the possibility of variable dosing of the concrete mix, which is necessary when forming two-layer concrete products with a front layer previously laid in a shape, the variable volume of which is due to the type and complexity of the decorative pattern imitating the decorative rocks of natural stone from various deposits. In addition, a metering device of a known installation does not ensure the quality of the products due to pattern shear and the formation of cracks on the face of the plate.

The purpose of the invention is to provide the possibility of forming multilayer products and ease of operation.

This goal is achieved by the fact that in an apparatus for molding concrete products containing a hopper, a dispensing device located under it, a mold installed on a vibrating table and an evacuation device mounted on a carriage, the dispensing device is made in the form of a measuring container mounted on a carriage with a horizontally driven moving bottom. and the capacity configuration in the plan corresponds to the shape configuration in the plan.

FIG. Figure 1 shows schematically the proposed unit for molding concrete products, a section, a general view; in fig. 2 - the same, the moment of evacuation of the molded product.

The installation for molding concrete products contains a frame 1, a vibrating table 2 mounted on it, an evacuation device 4 mounted on the carriage 3, a beater 5 and a metering device made in the form of a spindle plate 6 fixedly mounted on the carriage 3 and measuring container 7 with a horizontally movable relative to it has a bottom 8 and its drive 9. The vacuum device 4 is equipped with a lifting mechanism 10 in a washing bath 11 mounted on frame 1. A form 12 is mounted on the vibrating plate 2. The carriage 3 is moving by an actuator 13 along guides 14, rigidly attached to ra0 1 IU.

Installation for the manufacture of products from concrete mixes works as follows.

At the initial moment, the carriage 3 is located in the extreme right position. The measuring vessel 7 blocked by a movable bottom 8, filled with a concrete mix, is above the form 12 installed on the vibrating table 2 with the face layer previously laid in it, and spiced

 the plate 6 blocks the outlet of the hopper 5. In this position of the carriage 3, the vacuum device 4 is in its lower position in the washing bath 11. The mold 12 is filled with concrete mix when the movable bottom 8 of the measuring tank 7 is opened. the mixture, since the volume of the measuring container 7 is larger than the volume of the mold 12. The dosing of the concrete mixture takes place when the movable bottom 8 of the measuring container 7 is closed. During the closing process, the movable bottom 8 cuts off the concrete mixture, which automatically remain in the measuring tank 7. After the dosing of the concrete mixture is completed, the vacuum device 4 is lifted from the washing tank 11 to the upper position by the lifting-lowering mechanism 10, after which the carriage 3 begins to move the actuator 13 to the left position. When displacing the measuring tank 7 above the chuck 5, the hob 6 opens its outlet opening, providing an automatic concrete mix to the measuring container 7. In the extreme left position of the carriage 3, the measuring container 7 is located exactly under the outlet of the bunker 5, and the evacuation device 4 is above the mold 12 .

After completion of the process of vibrating the concrete mix in the form 12 on the vibrating table 2, the vacuum device 4 is lowered by the lifting-lowering mechanism 10, mounted on the concrete mixture in the form 12 and after evacuating by the same mechanism rises to the upper position. Then carriage 3

5 begins to move the actuator 13 to the right position, while the measuring tank 7 goes out from under the bunker 5 filled with concrete mix, and the outlet of the bunker 5 automatically blocks off the sliding plate 6. In the far right position of the carriage 3, the measuring tank 7 is located exactly above the form 12, and the vacuuming device is above the rinsing bath 11. The lifting-lowering mechanism 10, the vacuuming device 4 is lowered into the rinsing bath 11 to remove residual concrete from the filter cloth (not shown conventionally). The mold 12 with the molded product is removed from the vibrating table 2 to perform further telescopic operations, and the next form with the front layer previously laid into it is mounted on the vibrating table 2. Further, the cycle of the installation is repeated.

The use of the proposed plant in the precast concrete and reinforced concrete industry allows the manufacture of multilayer products while ensuring ease of operation.

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FIG. 2

Claims (1)

INSTALLATION FOR FORMING PRODUCTS FROM CONCRETE MIXTURES containing a hopper, a dispensing device located underneath it, a mold mounted on a vibrating table and an evacuation device mounted on a carriage, characterized in that, in order to enable the formation of multilayer products and ease of use, the dispensing device is designed as mounted on a measured capacity carriage with a drive horizontally movable bottom, and the configuration of the tank in the plan corresponds to the configuration of the form in the plan. FIG. 7