Automatic Screwdriving Machine with Double Heads

The automatic screwdriving machine with double heads, as a high-end automated screw fastening equipment, demonstrates exceptional advantages in complex screw assembly tasks through multi-dimensional collaborative operations. Specifically designed for diverse and challenging production scenarios, it serves component assembly across electronics, machinery, automotive, medical, and other industries, becoming an indispensable high-efficiency device on modern automated production lines.

1. High Efficiency & Doubled Productivity

Dual-station collaboration: Adopting a dual-axis independent drive design, the front station performs screw fastening operations while the rear station simultaneously completes product positioning and pre-processing. The two stations alternate seamlessly to ensure continuous workflow. In practical production tests for smartphone housing screw fastening tasks, compared to single-station equipment, the unit time productivity increased by 150%, with zero idle cycles during operation. This efficiency multiplier significantly shortens production cycles and meets enterprises' demands for rapid delivery.

Multi-axis precision linkage: Based on a servo motor-driven six-axis collaborative system, the motion accuracy of each axis is controlled within minimal error ranges. The servo motors feature high speed, precision, and responsiveness, enabling rapid movement with sub-millimeter positioning accuracy, far exceeding industry standards. For example, in typical M3 screw fastening tasks, while maintaining a positioning accuracy of ±0.05mm, the fastening speed reaches 3-5 rotations per second-40%–60% faster than the industry average-dramatically boosting overall production efficiency.

2. Intelligent Detection & Stable Output

Closed-loop precision control: Utilizing a high-precision closed-loop control system, real-time feedback of torque, position, and other critical data during screw fastening is achieved via high-precision sensors, which is compared against preset process parameters. Equipped with rigid transmission components, the system ensures stable and accurate torque transmission throughout the fastening process, adapting to full-specification requirements from micro screws to standard industrial screws. For example, when fastening screws for micro electronic components, torque can be precisely controlled within the 5–15 cm·kgf range, ensuring secure fastening while preventing thread stripping or screw head damage. This guarantees product quality and torque consistency.

Full-process QC: Integrated with multi-stage anomaly detection, the system monitors screw fastening status in real time across the entire workflow-from screw feeding, conveying, and gripping to fastening. A vision recognition system detects screw alignment accuracy, while torque monitoring evaluates fastening compliance. If abnormalities such as misaligned screws or incomplete tightening are detected, the device automatically intercepts defective products, triggers alerts, and diverts them to designated collection areas, significantly improving production line yield. In an electronics assembly line application, product defect rates were reduced from 5% to 1%–2% after implementing this system, effectively lowering post-sales repair costs and enhancing brand reputation.

3. Flexible Adaptation & Rapid Response

Modular expansion design: Through standardized interfaces, fixtures and feeding systems can be rapidly replaced. For example, to handle screws of varying shapes and sizes, simply replacing the corresponding fixture within minutes enables precise fastening of non-standard screws. The feeding system is compatible with workpieces of diverse materials, including metal, plastic, and composite materials, meeting cross-industry flexible production demands. When switching production tasks between industries such as automotive parts manufacturing and electronic device assembly, no large-scale equipment modifications are required, significantly reducing enterprises' equipment investment costs and production preparation time.

Intelligent programming: Equipped with an intuitive graphical interface, operators without specialized programming knowledge can complete teaching functions through simple drag-and-drop graphical operations and parameter settings, enabling one-click switching between multi-task programs. Compared to traditional programming methods, changeover and debugging time is reduced by 60%–70%. For instance, when transitioning from smartphone housing screw fastening to tablet housing tasks, only approximately 30 minutes is needed for debugging before production resumes, ensuring rapid response to market changes and small-batch, multi-variety production needs.

4. Safety, Energy Efficiency & Sustainability

Low-energy operation: Optimized pneumatic and electrical system designs incorporate high-efficiency pneumatic components and energy-saving motors, intelligently adjusting air pressure and motor speed based on real-time operational load. In idle states, the device automatically reduces energy consumption, lowering energy usage per unit output by 30%–40% compared to conventional equipment. Calculations show annual electricity cost savings ranging from thousands to tens of thousands of RMB, aligning with green manufacturing standards and supporting enterprises' sustainable development goals.

Human-machine collaboration: Multiple safety mechanisms are integrated, including emergency stop devices, motion zone isolation, and safety light curtains. The emergency stop instantly cuts power in critical situations, while motion zone isolation ensures operators remain outside hazardous areas during operation. Safety light curtains immediately halt the device upon detecting human intrusion into hazardous zones, fully safeguarding personnel and preventing accidents. This creates a secure and stable production environment for enterprises.

A. Dual-Y-axis dual-workstation operation with simultaneous dual-head processing for higher efficiency and faster speed.

B. Optional screw feeding methods: a. Suction type b. Blowing type.

C. Precision motor control ensures higher accuracy and enhanced stability.

1. Precision Electronics Manufacturing

PCB assembly: Fixes screws for smartphone/tablet PCB components, preventing ESD damage from manual operations.

Micro sensors: Handles M1.0 ultra-small screws for medical devices and optical lens assemblies.

2. Automotive & Industrial Equipment

Vehicle electronics: Ensures torque consistency for dashboard/control module screws to guarantee driving safety.

Power tool assembly: Supports high-strength fastening of stainless steel screws and metal workpieces.

3. Emerging Field Adaptations

Smart home: Compatible with special-shaped screws and complex structural parts for routers/smart speakers.

New energy: Waterproof screw fastening for battery modules/charging piles in humid/vibration environments.

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