Gypsum Block Making Machine

Gypsum block production line is a kind of fully-automatic producing equipment, integrate forming, high-speed stirring and hydraulic jacking together. The equipment use high accurate hard chrome-plating and automatic scraping equipment, so as to produce the hollow gypsum blocks according to clients' requirements. The products have accurate size, nice shapes and the producing efficiency is enhanced greatly as well.

Characteristics of the equipment
　　Development and application of the new high-speed mixer. High speed strring aims at shortening the gypsum slurry time (mix average within 10 seconds), helps to make full use of gypsum slurry liquidity, so don't have to add the retarder. Application of reverse discharging speeds up the pulp out of discharge, and makes gypsum fully flow in the mold. The appearance size of gypsum block has a high precision, ensuring the product quality and accuracy.
　　Easy to form a complete set. Except the special parts for the production line, the other parts can use the Chinese standard equipment. The quality is controlled in accordance with the ISO9001 strictly. Key electronic components adopt international famous company high quality products, guaranteeing to provide customers high quality, reliable operation of equipment.
　　The scale of production and the area of the plant is moderate and match the automation and the mechanization of the production line, which is easy to manage.
　　Less investment and mature production technology. The production cycle is short and easy to guarantee the quality of the product.

 

 

Production capacity

6000sqm/year - 300000sqm/year and so on. Mold cavity quantity can be 4-40cavities, usual gypsum block size is 666x500x 80-180mm.

Can also produce according to clients requirements.

Working time: 8h/shift, about 5person/shift

 

 

 

Equipment introduction
Dosing system
Consisting of water metering device, powder metering device, compressed air systems and chassis and other components.
Water metering devices:聽 including stainless steel barrel, inlet pipe, valve, solenoid valve, adjustable water level sender unit, adjusting chain, overflow pipes, pneumatic drain valve and drain connected with the mixer hose cover components.
Powder metering device: consisting of electronic scales weighing hopper coated with anti-sticking coating, electronic sensors, vibrators, pneumatic discharge valve, material weight monitors, electronic control devices and other components. The hopper has a measuring accuracy of 4-class tolerance.
Compressed air system: including a full air compressor, air source treatment components, hard and soft pipes, spray guns and nozzles equipped with release agent cylinder. This system is used to purge the mixer and the mold cavity of forming machine, spray release agent as well as to supply material or water for electronic scales and water system.

 

 

Mixer
Consisting of the mixer rack, stainless steel mixing tank, stainless steel openable top cover, the water pipe installed on the roof, stirrer and pouring cylinder which are equipped with with motor, as well as other components. There are 2 mixer blenders, whose mixing head adopt high-speed paddle. The machine is equipped with stainless steel annular water pipes on the upper lid, evenly spraying the water into the parts of the barrel. Lid can open automatically, easy for workers to operate. Barrel is equipped with hydraulic automatic feeding mechanism and automatically open system when discharging.

 

 

Forming machine        

The forming machine is designed based on the formwork erection jacking theory. Besides the described mold characteristics, the forming machine also includes: hydraulic forming scraper which is installed over the cavities and on both sides of the mold, bottom die with sealing device, as well as rack, base, beam, column, the main oil cylinder, ejection head, signal generator and other components.The mold material adopts alloy steel that is electroplated with thick enough hard chrome on its surface and is mirror-polished. Then with high manufacturing accuracy and a fine adjustment structure of block dimensions to make sure all the blocks produced are of high precision, excellent surface finish, and also long life-span of the mold. Adopting hydraulic automatic forming scraper to automatically scrape out a tongue-and-groove at the top of the block. This can help to ensure product quality, reduce workers' labor intensity, and achieve automation.

 

 

Central hydraulic station

Including: high and low pressure oil pump and drive motor, fuel tank (with oiler, liquid level indicator, hook, etc.), electromagnetic valve, one-way throttle valve, unloading valve, check or double check valve, discharging stop valve, oil filter, high and low pressure gauges, various valve seats, pipe fittings and so on. If necessary, manual pump, various valves, electric indicator light, electric control device of hydraulic caution light and other devices can also be included.

 

 Pneumatic flexible fixture

Pneumatic flexible fixture-on-rails: install fixturing trolley with wheels on two rails. The trolley can move at high or low speed, advance and retreat, and has the functions of brake positioning. The main body of pneumatic flexible fixture cooperates with the elevating rails of the trolley frame. It can adjust the elevating speed through the control of signal generator. So this pneumatic flexible fixture-on-rails can conduct accurate three-dimensional positioning and guiding. It can form a full-automatic machine unit with above mentioned equipments through programmable logic controller (PLC).

 

Production line automatic control system
The system uses programmable logic controller (PLC), and is composed of a button box, an electric control cabinet and other devices near the operators. This system, according to the production technology and working cycle, has formed the screw feeder, dosing system, mixing machine, forming machine, central hydraulic pressure station, pneumatic flexible fixture and other equipment into an organic and efficient whole under the requirement of satisfying the interlocking and interacting of each equipment, ensuring the maximum product quality and production efficiency.

 

 

 

Gypsum block introduction

Gypsum block is made of gypsum with water, through　mixing, casting, forming, and drying, and it is lightweight gypsum product. During production, can add strengthen fiber, and foaming agent. It is sound-resistant, fire rated, easy construction, and it is environment-protective, healthy, match with market development.

 

 

Gypsum block characters
Safe: mainly because of its good fireproof feature.
This is mainly because dihydrate gypsum (CaSO4  2 h2o) contains two crystallization water, accounts for about 21% of the total. These two water of crystallization in the existence of the stable gypsum at ordinary times, in high temperature, the water can quickly spread to the wall surface in the air, on the wall, form a layer of water film on the surface of materials. The water film can reduce the surface temperature of the wall materials, can have the effect of isolating oxygen again, in order to prevent and delay the further combustion of wall materials and structures, so the water of crystallization in Germany is called "extinguishing water". Gypsum block according to the 66 kg/m2, which contains about 13.86 kg of "fire water", fireproof limit of more than three hours.