1. Equipment Overview Crawler shot blasting cleaning machine is a surface treatment equipment specially designed for small and medium-sized metal workpieces. It sprays projectiles (such as steel balls) into the surface of the workpiece in a fan-shaped beam through a high-speed rotating shot blaster to achieve the purpose of removing rust, de-scaling, and strengthening the surface. Its core advantage lies in high efficiency, environmental protection, and uniform cleaning, and is widely used in machine tools, automobiles, metallurgy, spring manufacturing and other industries. 2. Core structure and working principle structure consist of cleaning room: wear-resistant guard plate protection is adopted, and a crawler transmission mechanism is installed inside. The workpiece is continuously flipped under the driving of the crawler to ensure all-round cleaning of the surface. Shot blasting device: cantilever centrifugal design, long blade life, the projectile impacts the workpiece at high speed after acceleration, and has high cleaning efficiency. Pill sand circulation system: elevator: transport projectiles and sand particles to the separator. Separator: Separate qualified projectiles, dust and crushed pellets through air selection or mechanical screening to realize the recycling of projectiles. Dust removal system: The bag dust collector filters dust-containing gas, the dust emission concentration is lower than the national standard, and improves the operating environment. Automated control: Equipped with electrical control system, supporting automatic loading, cleaning and unloading, reducing manual intervention. Working principle Workpiece loading: Place the specified number of workpieces into the cleaning room and close the hatch door. Shot blasting cleaning: The shot blaster rotates at high speed, and the projectile forms a fan-shaped beam flow, which evenly hits the surface of the workpiece; the track drives the workpiece to flip to ensure no blind spots to clean. Pill sand recovery: The projectiles and sand particles flow into the bottom screw conveyor through the crawler pores, and are sent to the separator through the hoist. The qualified projectiles are recycled and the waste sand is discharged. Dust removal and purification: Dust-containing gas is sucked into the dust collector through the fan, clean the air after filtering the bag, and clean the dust regularly. 3. Core advantages: High-efficiency and energy-saving high-speed shot blasting device is combined with crawler flip, and the cleaning speed is fast and the efficiency is increased by more than 50% compared with traditional methods. The projectile recycling rate is high, reducing resource waste and operating costs. Environmentally friendly and safe sealed cleaning room and dust removal system effectively control dust leakage and protect the health of operators. Low noise (≤85dB), low vibration, reducing the impact on the surrounding environment. Clean the uniform projectile fan-shaped beam flow and the continuous flip of the workpiece to ensure the consistent surface cleaning effect and avoid mass fluctuations caused by operational differences in traditional methods. The multifunctionality can adjust the shot blasting speed, projectile type and cleaning time to adapt to different workpiece needs (such as castings, forgings, gears, springs, etc.). Supports surface reinforcement treatment to improve the wear resistance, corrosion resistance and coating adhesion of the workpiece. High degree of automation integrates automatic loading, cleaning and unloading functions, reducing manual operations and improving production efficiency. Equipped with fault diagnosis and safety protection devices to ensure stable operation of the equipment. 4. Application fields: Clean the machine tool bed, guide rail and other castings to improve surface quality. Automobile manufacturing: Treat engine cylinder blocks, gear boxes and other components to remove oxide scales and welding slag. Metallurgical industry: Strengthen the surface of steel plates and profiles to improve corrosion resistance. Spring manufacturing: Clean the rust on the spring surface and improve fatigue strength. General machinery: handle stamping parts, fasteners, etc., lift