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Dongguan Shuangren Machinery Equipment Technology Co., Ltd. is an enterprise that helps customers improve the production efficiency of lithium batteries. The company constantly improves its technology and management experience, optimizes the production process, and enhances the stability of the equipment. Meanwhile, the company also attaches great importance to environmental protection and energy conservation, actively promotes the concept of green production, and creates greater economic and social benefits for customers.
Equipment Name: Coating Machine
Equipment model: SRBM-0030U
Equipment function introduction: The coating machine is suitable for the "U" -shaped blue film coating on the surface of square aluminum shell battery cell shells and the edge folding process on both sides. Manual feeding or automatic feeding from the previous process, achieving automatic surface cleaning of battery cells by roller brush, scanning code confirmation, automatic U-shaped film wrapping, folding film edges on both sides and the top, hot pressing and shaping of the top film edge, automatic insulation testing, NG discharge sorting, conveying and discharging, and manual material collection. The film roll has inherent adhesiveness. The tension of the film pulling is controlled by the magnetic powder brake of the air expansion shaft, with automatic deviation correction control and automatic fixed-length cutting.
The square aluminum shell battery coating machine is a specialized equipment used for insulating film coating of aluminum shell batteries during the lithium battery production process. It is mainly applied in fields such as power batteries and energy storage batteries. The following is a detailed introduction to the equipment and related key points:
Equipment function
Insulation protection
Precisely wrap the heat shrink film (such as PET, PVC, etc.) around the surface of the square aluminum shell battery to provide insulation, short-circuit protection and anti-corrosion protection.
Appearance encapsulation
Ensure that the film layer is smooth and free of wrinkles, improve the consistency of the battery's appearance, and meet the requirements of product standardization for automated production lines.
Compatibility
It can be adapted to square aluminum shell batteries of different sizes (such as length, width and height specifications), and supports customized adjustments.
Core component
Feeding mechanism
Batteries are automatically conveyed to the film coating station, usually by belt conveyor or mechanical arm grasping.
Positioning and deviation correction system
The battery position is detected visually or by sensors to ensure precise alignment and prevent the film from shifting.
Coating module
Automatically cut the diaphragm, wrap the diaphragm around the battery surface through a mechanical arm or roller, and fix it by hot pressing or adhesive bonding.
Heat shrinkage system
Hot air guns, infrared heating or thermal tunnels are used to heat the film layer, causing it to contract evenly and adhere to the battery surface.
Cooling and shaping
Air cooling or natural cooling is adopted to ensure the stable formation of the film layer.
Detection system
Visual inspection of the film layer integrity, no bubbles/wrinkles, thickness measurement, etc.
Cutting and sorting
Good products and defective products are sorted and proceed to the next process (such as welding and assembly).
Reference of technical parameters
Applicable battery size: Length 50-300mm × Width 30-150mm × Height 50-150mm (customizable)
Capacity: 20-60 PPM (The cycle rate depends on the battery size and the complexity of the film layer)
Heat shrinkage temperature: 100-200℃ (adjustable, depending on the material type)
Positioning accuracy: ±0.2mm
Power supply/air source: 380V three-phase electricity, 0.5-0.7MPa compressed air
Application scenarios
Power batteries: Square aluminum shell batteries for electric vehicles (EV) and hybrid vehicles (HEV).
Energy storage batteries: home energy storage, grid-level energy storage systems.
3C batteries: Some high-capacity consumer lithium batteries.
Mainstream supplier
Domestic manufacturers
Lead Intelligent, Yinhe Technology, JY Automation, Hymson
International manufacturer
CKD of Japan, PNE Solution of South Korea, MANZ of Germany
Key points for selection and maintenance
Selection suggestions
Compatibility: Whether it supports rapid switching among multiple battery models.
Accuracy and yield: The sensitivity and deviation correction ability of the detection system.
Energy consumption: The energy efficiency ratio of the heat shrinkage system.
After-sales support: The technical response speed of the manufacturer.
Maintenance focus
Regularly clean the hot air channel to prevent dust accumulation from affecting the uniformity of heating.
Check the tension mechanism of the membrane material to avoid cutting offset.
Calibrate the visual inspection system to ensure the yield rate.
Industry trend
High-speed development: Increase the tempo to meet the demand for TWH-level production capacity.
Intelligence: AI visual inspection for defects, real-time feedback for parameter adjustment.
Green material: Compatible with environmentally friendly and degradable heat shrink film.
Technological innovation never stops; "Serve with heart and create value" is the eternal theme of "We Shuangren"!
Focus on battery production equipment for power batteries and solutions for automatic assembly lines of power battery packs.
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Company Name: Dongguan Shuangren Machinery Equipment Technology Co., LTD
Address: Shilongkeng Industrial Zone, Liaobu Town, Dongguan City
Web site:
Email: sales@shuang-ren.com
Contact number: 13416973707
Contact person: Mr. Yang
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