Design of Hydraulic System of Burn-free Fly Ash Brick Making Machine

The fire-free brick machine is a new type of equipment that has developed rapidly in recent years. At present, the application of this technology in advanced countries is very common. The basic principle is to use pressure matrix molding. In recent years, China has also carried out research work in this area, focusing on the use of fly ash for the development of brick making equipment. In view of the above, this paper proposes a structural design scheme for an unfired fly ash brick making machine. Its feature is the use of industrial waste instead of clay to make bricks, and no steaming treatment is required after molding, and it can be used after being naturally cured. It can make full use of waste materials and save land without causing secondary pollution. It is a new type of technology that is in line with modern environmental protection and development policies of the building materials industry.
1. The structure of the unburned fly ash brick making machine The main structure of the unburned fly ash brick making machine consists of the following components:
(1) The main frame of the rack is used to support the components of the equipment and to withstand the pressing force when the bricks are molded;
(2) The indenter is mainly used for forming and pressurizing the equipment, and it is also used for demoulding in the middle of work;
(3) The lifting table is mainly used for mopping bricks and vibrations. When it rises, it is used for the formation of bricks; when it goes down, it is used to pull out the forming bricks;
(4) The supply-pulling mechanism is mainly used for the transfer of pallets, divided into two parts, the front supply board and the side supply board. This part is also equipped with a scraper and a coating mechanism;
(5) The fabric mechanism is mainly used to send the material in the silo into the forming mold;
(6) Silo is mainly used to store materials;
(7) The brick delivery rack is mainly used to send out the forming bricks on the workbench;
(8) The control cabinet is mainly used to install the control system of the equipment.
2. The working process of the burn-free fly ash brick making machine will send the pallet to the workbench on the lower part of the mould box. The work will rise up to the bottom of the mould box. The cloth box will send the mixed material into the mould box through reciprocating motion. The vibration of the mold box and the pressure of the upper head press down, and the material in the mold box is compacted and formed while vibrating, and then the work table drives the pallet to deteriorate. The formed brick is lowered to the bottom; the pallet and the forming brick are then pushed together to complete the system. Brick work. The brick making machine is a fully automatic equipment and can realize automatic production in the whole process of feeding, feeding, forming, demoulding, and brick-out. During the working process, the components are driven by hydraulic pressure.
3. Principle of Hydraulic System of Burn-free Fly Ash Brick Making Machine The working principle of the hydraulic system of the brick making machine is: (1) Firstly, the piston rod of the pallet cylinder 20 extends, and the piston rod shrinks after the pallet is pushed onto the worktable. Back: (2) The piston rod of the worktable piston cylinder 14 extends, pushes the worktable up to the bottom of the mold box, and the worktable is tightened; (3) The piston rod of the piston box 22 of the material box advances to the bottom of the mold box, achieving Feeding, then the piston rod retracts; (4) The upper head plunger cylinder 12 (2) drives the piston cylinder 13 and the upper head to rapidly descend the bottom of the molding box, and then the upper head piston cylinder 13 pressurizes to form bricks; 5) The workbench piston cylinder 14 and the upper head are lowered and demoulded; (6) The piston rod of the upper head piston cylinder 13 retreats and drives the two piston cylinders to return to the upper position; (6) The piston rod of the table piston cylinder 14 is retracted Lower position; (8) The piston rod of the brick-out piston cylinder 18 is extended, and the formed brick and the pallet are pushed out together; (9) The piston rod of the brick-piston cylinder 18 is retracted to complete a cycle of the brick making work. Figure 2 is a schematic diagram of the hydraulic system of the brick making machine
4 Conclusion China is a big country producing coal, but also a big coal-consuming country. Every year because of the coal-fired fly ash is a huge number. Deal with this kind of waste, reduce pollution to the environment, and integrate the purpose of developing a fly ash brick making machine. We believe that with the continued popularity and promotion of this new device, we expect the “smoke-free era” to come more quickly.

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