UA30441U - Installation for molding of articles made of dispersed mixtures - Google Patents

Abstract

An installation for molding of articles made of dispersed mixtures contains a platform vibrator, with drive of vertical displacement, with installed on it mould with sealed cover and branch pipes for connection with vacuum system, and a die with stock located in the mould; moreover the installation is in addition equipped with inclined mobile guides installed above the mould with roller located in them and connected with the stock of die, and the upper parts of the mould and die are respectively made in the form of a socket and a cone.

Description

Description of the invention

The useful model refers to devices for forming hard and especially hard dispersed 2 mixtures and can be used for forming concrete, asbestos-cement, glass concrete, polymer concrete, polymer, ceramic, etc. products

A well-known device for forming concrete products, which holds a vibrating platform, with a mold installed on it and a vacuum chamber, on the cover of which a stamp with a mechanism for its vertical movement is fixed

I (authorized certificate of the USSR Mo365255, Cl. B2881/10, 1973). 70 The disadvantage of the device is that it is intended for the formation of individual samples of small sizes, and the productivity of the installation is low.

A well-known installation for the manufacture of products from dispersed mixtures, which holds a consumable hopper and a forming device mounted under it in the form of a housing with a lock, a retaining wall and a power cylinder connected to the rod with a horizontally moving punch (authorized certificate of the USSR Mo123072, B28817/00, 1958). 12 The disadvantages of the given device are the low quality of molded products and the insufficient intensity of the compaction processes.

The closest technical solution, accepted as a prototype, is a plant for forming products from concrete mixtures, which holds a vibrating platform equipped with a vertical movement drive, with a mold with a sealed cover installed on it and with nozzles for connecting to a vacuum system, and a stamp placed in the mold with with a stem (authentic certificate of the USSR Mo592555, Cl. B2881/10, 1976).

The disadvantage of the prototype is the insufficient quality of the molded products.

Common to the prototype and the installation for forming products from dispersed mixtures is a drive for vertical movement, a vibrating platform with a mold with a sealed cover placed on it, nozzles for connection to the vacuum system and a stamp with a rod placed in the mold.

The task of a useful model is to improve product quality by increasing the degree of degassing. Solution 2 of the given problem is achieved by the fact that the installation for forming products from dispersed mixtures, which holds a vibrating platform, with a drive for vertical movement, with a mold with a hermetic cover placed on it, nozzles for connecting to a vacuum system and a stamp with a rod placed in the mold, is equipped with a mounted above the mold with movable inclined guides, with a roller placed in them, connected to (7) the rod of the stamp, and the upper parts of the mold and the stamp, respectively, are made in the form of a bell and a cone. chE

The design solution of the installation for forming products from dispersed mixtures provides a number of advantages in comparison with known analogues and the prototype: h 1. A partially new combination of features: "... it is equipped with movable inclined guides mounted above the mold with a roller placed in them..." and "... a roller connected to the stamp rod..."; 3о 2. Introduction of a new sign: "... the upper parts of the form and stamp are respectively made in the form of a bell and a cone." co

Accordingly, paragraphs 1 and 2 have new types of connection and interaction between features.

In Fig. the general view of the installation for forming products from dispersed mixtures is given.

The installation consists of a vibrating table 1 with a vibrator 2 of vertical oscillations installed on shock absorbers Z and hydraulic lifts 4. In the hopper 5 with a cover 6 there is a hatch 7, which is hermetically closed with the help of a rubber gasket 8 and a lock 9. Rubber gaskets 10 in the process of being pressed to pallet 11 - s seal the forming chamber 12, fittings 13 provide vacuuming of the dispersed mixture. The forming of the product is performed by a stamp 14 with its conical part 15 and a rod 16, which, with the help of a roller 17 and a copying surface 18, ensures its gradual vertical movement.

The operation of the installation is carried out as follows.

The dispersed mixture is loaded into the hopper 5 through the hatch 7, which is sealed with the help of a rubber gasket 8 and a lock 9. The copying surface 18 is in the middle position, thanks to which the stamp 14 o closes the molding chamber 12, which, in turn, is sealed by pressing the vibrating table 1 with a pallet 11 through a rubber gasket 10, a hydraulic lift 4 through shock absorbers 3. p Next, vacuuming of the hopper and forming chamber 12 is ensured through the fittings 13 with their simultaneous 20 turning on the vibrator 2 of the vibrating table 1 with the help of the copying surface 18, the roller 17, the rod 16, the vertical lifting of the stamp is carried out 14 with its conical part 15. Under the action of vibration on the beveled surfaces "a of the hopper 5 and the conical part 15 of the stamp, a dispersed mixture spills through the formed gap and is additionally degassed during the fall. Then the stamp 14 is lowered due to the movement of the copying surface 18, along which the roller moves 17, fixed on the rod 16 and in the vacuum volume, in the process of vibration the form is a dispersed mixture. 22 After the product is formed, the vibrating table is lowered together with the pallet 11 and the molded product with the help of hydraulic lifts 4. The product hits the conveyor (not shown), on the vibrating table 1, a new pallet 11 is placed, the forming chamber 12 is sealed by the reverse movement of the hydraulic lifts 4 and the cycle is repeated.

The quality of the product increases due to the removal from the mixture of mechanically trapped air, adsorbed on the surfaces of solid particles and dissolved in the liquid. At the same time, the density of products also increases.

Claims (1)

The formula of the invention An installation for forming products from dispersed mixtures, which contains a vibrating platform, with a drive for vertical movement, with a mold installed on it with a sealed cover and nozzles for connecting to a vacuum system, and a stamp with a rod placed in the mold, which is distinguished by the fact that it additionally equipped with movable inclined guides mounted above the mold with a roller placed in them, connected to the stamp rod, and the upper parts of the mold and stamp are made in the form of a bell and a cone, respectively. - "-- "I "I o Zo "o - with . and? o o FT» FT» "- p 60 b5