1.Core Shooting Machine 1.1Main parameters 1.1.1.Maximum mold size 760*550*500mm 1.1.2 Maximum weight of sand core 30kg 1.1.3 Mold closing stroke: 400mm 1.1.4 Mold closing cylinder diameter 200mm 1.1.5 Template opening size 1000mm 1.1.6 Sand core solidification method Co2 (automatic control) 1.1.7 Main power supply AC380/50HZ 1.1.8 Driving method Pneumatic 1.1.9 Compressed air pressure 0.55-0.7Mpa 1.1.10 Core Shooting Pressure 0.25-0.45Mpa 1.1.11 Using sand Water glass sand 1.1.12 Compressed air pipe diameter 1.5inch 1.1.13 Equipment external dimension 3000*2800*3000mm
1.2. Core Shooting Machine Structural Features of Functional Parts 1.2.1. Host Overview. The host of this machine consists of bed components, mold frame components, sand cylinder components and crossbeam components, pneumatic components, and weak current control components. The ZL750S-30L core shooting machine is a vertical split dual station cold core box core shooting machine, which is driven out of the sand core by a top core device and has user-friendly operation. One person can operate multiple machines. This machine adopts a frame structure, and the static and dynamic templates adopt a dual axis through support and guidance structure, which has sufficient rigidity and strength, smooth operation, high motion accuracy, and can ensure the stability of each component's operation. This machine is equipped with an automatic carbon dioxide blowing and solidification sand shell device, which has high production efficiency. The electrical control adopts Siemens control from Germany, and is equipped with manual control and automatic single cycle. It is connected to the matching carbon dioxide gas generator and can be automatically completed within ten to ten seconds. The production process of sand cores is suitable for manufacturing water glass sand cores weighing less than 30KG. The working principle is to mix evenly mixed water glass sand and inject it into the core box within seconds. Then, the vaporized carbon dioxide is used to automatically cure it within seconds to tens of seconds, resulting in a smooth surface and precise size of the finished sand core. 1.2.2 Component composition 1.2.2.1. Column components: composed of columns, crossbeams, sand supply systems, clamping devices, guide rails, air storage bags and other components. The sand and gas supply system that constitutes the core making process. 1.2.2.2. The sand shooting device consists of parts such as a shooting plate, a shooting head, a sand cylinder, a box body, a roller, and a bracket. Complete the process of sand blasting and core making. 1.2.2.3. The mold frame components are composed of main components such as template bracket, mold closing cylinder, top core device, guide pillar, guide sleeve, etc. It is a key component that reflects the quality of core making and completes the core making work. 1.2.2.4. Base components: The base is equipped with a pneumatic system solenoid valve, and an electrical control box is installed in front of the base to achieve various functions. The local control part is controlled by a programmable logic controller (PLC) according to the program, and the electrical operation box is connected to the host. The strong current part is installed on the main column of the machine. As the machine also has an electric heating device for the mold during operation, it is necessary to ensure the safe grounding of the main machine and the personal safety of the operator after installation.
2.Bowl type sand mixer
2.1Main parameters 2.1.1 Each sand mixing amount 50kg 2.1.2 Production efficiency 30t/h 2.1.3 Cycle period 35-40s 2.1.4 Each sand mixing time 15-20s 2.1.5 The diameter of the bowl SΦ600mm 2.1.6 Rotation speed 135r/min 2.1.7 Power 5.5kw 2.2.Bowl type sand mixer Structural Features of Functional Parts
2.2.1 Machine characteristics and structure This equipment is an intermittent resin sand mixer, which is different from other resin sand mixers. Its mixing process is to provide sand with three-dimensional eddy current motion through high-speed rotating blades in a spherical container. Mix the sand thoroughly with the curing agent and resin sand adhesive in an instant. 2.2.1.1. Less stirring time 2.2.1.2. Low dosage of resin sand and curing agent 2.2.1.3. Low residual sand in the body 2.2.1.4. For sand that requires less, it can also be used and mixed as needed 2.2.2. Equipment composition A sand mixer consists of a sand mixing frame, a sphere, rotating blades, and an electric motor. Mixing chamber: The mixing chamber is composed of a lower body and an upper hemisphere, with a sand discharge door opened in the lower body. Rotating blades: Rotating blades are composed of two symmetrically welded blades on the casing, which generate three-dimensional eddy currents in the sand and sand, thereby achieving uniform sand mixing.
3.Co2 generator
3.1. Main parameters 3.1.1 Compressed air pressure 0.55-0.7Mpa 3.1.2 Heating temperature of heater 60-100°C 3.1.3 Gasification temperature 60-90°C 3.1.4 Blowing Co2 pressure 0.15-0.20Mpa 3.1.5 Cleaning pressure 0.20-0.40Mpa 3.1.6 Atomization pressure 0.10Mpa 3.1.7 Low pressure blowing time 0-9.99s 3.1.8 Cleaning time 0-9.99s 3.1.9 Curing time ≤99.9s 3.1.10 Atomization time 0.3-9.99s 3.1.11 The storage capacity of the tank ≤6kg 3.1.12 Power supply 220v
3.2. Machine characteristics and structure PLC programming control, touch screen process parameter setting, workflow display, fault diagnosis alarm Japanese SMC proportional valve pressure control, achieving different pressure increments according to various process requirements. The cabinet is designed with separate compartments, and the electrical control room, solenoid valve room, carbon dioxide material tank, and gasification room are isolated from each other, ensuring high safety.
4.Charging machine
Main parameters 4.1.1 Maximum sand extraction capacity 100kg 4.1.2 Power 1.5kw
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