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The vertical screw degassing packaging machine features a vertical screw with variable-frequency feeding combined with a negative-pressure degassing system. During the screw-driven material conveyance, a negative-pressure micro-porous tube extracts air from the material, while a bottom-mounted vibration platform and pneumatic cylinder-assisted bag-flipping mechanism further enhance mechanical degassing. This dual-stage degassing process delivers high efficiency, increasing the bulk density of the packaged material by 30%–50%. The equipment is primarily designed for gravimetric weighing and metering, and comes standard with air-bag bag clamping, automatic hook release, a standalone dust collector, and a negative-pressure degassing system. A lithium-battery-specific version incorporates copper- and zinc-free materials, anti-adhesion treatment, and corrosion-resistant coatings, making it suitable for ultra-high-air-content powders such as lithium-ion battery cathode and anode materials and carbon powder. After packaging, the ton bags maintain a neat, uniform shape with no bulging.
A dedicated integrated vacuum extraction and heat-sealing device for ton-bag openings, which performs internal vacuum degassing and oxygen removal while simultaneously heat-sealing the bag opening. This effectively prevents moisture absorption, oxidation, and powder re-agglomeration, with a specialized design tailored to the highly hygroscopic and oxidizable characteristics of ultrafine lithium-ion battery powders and chemical powders.
An integrated system that automates the stacking and precise shaping of ton bags serves as the core forming step prior to their storage and transportation. The entire process requires no manual intervention; the forming mechanism is driven by a servo electric cylinder system that automatically detects material height and intelligently adjusts shaping pressure, ensuring tight compaction and uniform bag geometry to prevent collapse or tilting during transit.
The automated top-covering and full-wrap film application equipment for ton bags serves as the final protective packaging step in the storage and transportation of ton bags. With the exception of replacing the film roll, the entire process operates fully automatically. Photoelectric sensors are used to automatically detect the height of the ton bag, while the turntable and film holder feature variable-frequency speed control. The number of wrapping layers and wrapping cycles can be freely set, and the film is severed by thermal melting. The trailing film is automatically heat-sealed to the product to prevent loosening. The equipment is available in three configurations: pure top-covering, automatic full-wrap, and manual wrapping.
CONTACT INFORMATION
Phone: +86 510-88889998
Mobile phone: +86 15365289085
Email: winnie@mypackmachinery.com
Address: No. 21 Xijin Road, Xinwu District, Wuxi City, Jiangsu Province, China
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