Semi Automatic Cylindrical Battery Winding Machine

Product Overview

This semi automatic cylindrical battery winding machine is designed for precision winding of cylindrical lithium ion battery cells. Operators manually introduce the positive and negative electrode sheets into the winding section, where the electrode sheets are layered with separator film and wound according to the defined process. Automatic termination tape application and automatic cell unloading complete the cycle, reducing repetitive handling while maintaining a controlled winding sequence.

The equipment is suited to cylindrical cell development, pilot production, laboratory process validation, and advanced battery research. It supports electrode and separator materials across a broad dimensional range, making it practical for battery R&D teams, cell manufacturers, universities, and materials laboratories working with different cylindrical cell formats.

A single-head through-type winding needle structure, active separator unwinding, adjustable winding speed, dust removal, and controlled tape placement support repeatable cell construction. When incoming electrode and separator materials meet the stated conditions, the equipment can achieve separator and electrode alignment errors below ±0.5 mm and a qualified rate of at least 98%, excluding factors unrelated to the equipment.

Key Features

• Single-Head Through-Type Winding Needle: Two winding assemblies use a single-head through-type structure to support winding precision and simplify winding needle replacement. The configuration is designed for stable cylindrical cell formation across the specified needle range.

• Semi Automatic Process Sequence: Operators manually introduce the electrode sheets, while the equipment performs automatic winding, winding needle changeover, termination tape application, and cell unloading. This division of labor improves workflow efficiency while preserving operator control over material loading.

• Adjustable Winding Speed: Winding needle speed can be adjusted to match process requirements and material behavior. This gives users greater control when developing different electrode, separator, and cell-format recipes.

• Controlled Horizontal Tape Application: Termination tape is applied horizontally, perpendicular to the electrode tabs. The method produces a flat application, allows accurate control of the tape position, and avoids pulling the wound cell tight during taping.

• Active Dual Separator Unwinding: Two separator rolls use active unwinding with pneumatic adjustment. Proximity-switch tension control automatically and smoothly adjusts separator tension during the winding process to help maintain consistent layer placement.

• Electrode Dust Removal: An integrated electrode-sheet dust removal device helps clear process dust before it can affect winding quality. This supports cleaner cell construction and reduces the risk of contamination-related defects.

• Separator Outer-Wrap Finishing: The process includes separator outer wrapping at the end of the winding sequence. This helps complete the specified layer relationship in which the separator fully encloses the negative electrode and the negative electrode encloses the positive electrode.

• Controlled Cell Formation: The wound cells are designed to avoid damage, core extraction, and electrode misalignment when the supplied materials satisfy the required specifications. This supports more consistent downstream cell assembly and evaluation.

• Fast Format Adjustment: Operating controls are designed for convenient setup, adjustment, and specification changes. Winding needle replacement and format adjustment can be completed simply and quickly for multi-format development work.

Applications

Technical Specifications

The following specifications apply to the cylindrical battery winding machine identified as YZ04.

Equipment Configuration

Material and Format Range

Winding Accuracy and Quality

Utilities and Physical Specifications

Process Details

Separator pre-winding uses a toothed-knife process to reduce the required pre-winding separator length. The negative electrode sheet and positive electrode sheet are manually introduced into the winding section in sequence. After winding, the station-transfer assembly moves the workpiece to the tape-application position, where the separator is cut, termination tape is applied, and the completed cell is unloaded automatically.

The horizontal termination tape method places the tape perpendicular to the electrode tabs. It is engineered for flat application and accurate placement without tightening or drawing the wound cell during the application step. During winding, the two separator rolls actively unwind while pneumatic control and proximity-switch tension regulation adjust tension smoothly as material consumption changes.

Why Choose This Product

• Process-Controlled Cell Quality: The equipment combines controlled winding, separator tension adjustment, tape placement, and automatic unloading to support repeatable cylindrical cell fabrication. Stated alignment performance reaches less than ±0.5 mm when incoming material conditions are controlled.

• Flexible Research Platform: Adjustable winding speed, replaceable winding needles, and support for electrode widths from 178 to 318 mm allow development teams to work across multiple cylindrical cell formats without changing the fundamental process architecture.

• Reduced Handling Variability: Manual electrode introduction is paired with automatic winding, needle changeover, termination taping, and unloading. This reduces repetitive intervention during critical process steps while maintaining practical operator access.

• Robust Functional Construction: Dedicated winding, station-transfer, active separator-unwinding, electrode-guiding, tape-application, unloading, and control systems provide a complete working platform rather than a standalone winding mechanism.

• Designed for Long-Term Development Use: Dust removal, separator outer wrapping, simple format adjustment, and a qualified rate of at least 98% support sustained battery research and pilot-production workflows where consistency and repeatability are essential.

Contact us for a quotation, process consultation, or a winding-needle and format configuration tailored to your cylindrical cell development requirements.

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