Research on the design and automatic control of high-precision hot stamping paper slitting machine

summary

In order to solve the problems of insufficient precision and low efficiency of traditional hot stamping paper slitting machine, a design scheme and automatic control system of high-precision hot stamping paper slitting machine are proposed. Through the optimization design of mechanical structure and the application of advanced control algorithms, the slitting accuracy and production efficiency are significantly improved.

1. Introduction

As an important packaging decoration material, hot stamping paper is widely used in the printing and packaging industry. With the continuous improvement of the market's requirements for product quality, the requirements for the slitting accuracy of hot stamping paper are also getting higher and higher. The traditional slitting machine has problems such as low slitting accuracy (±0.5mm), low efficiency, and high scrap rate, which need to be improved urgently.

2. Mechanical system design

2.1 Overall structural design

Adopt a modular design concept, mainly including:

• Unwinding module: constant tension control system

• Web Guiding Module: High-precision CCD detection system

• Slitting module: precision servo-driven turret

• Winding module: independent tension control

2.2 Key component design

1. Slitting tool system: pneumatic suspension tool holder is used to reduce mechanical vibration

2. Guide mechanism: linear guide rail with high-precision ball screw

3. Tension control system: magnetic powder brake + tension sensor closed-loop control

3. Automatic control system

3.1 Control system architecture

Three-layer control architecture of "PLC + servo drive + HMI" is adopted:

• Upper: Human-Computer Interface (HMI)

• Middle layer: PLC controller

• Ground floor: servo drive system

3.2 Core Control Algorithms

1. Adaptive PID control: for tension control system

2. Fuzzy control algorithm: used for deviation correction system

3. Motion planning algorithm: to achieve high-precision slitting positioning

3.3 Inspection System

1. High-resolution CCD visual inspection (accuracy±0.01mm)

2. Laser distance sensor

3. Tension sensor array

4. Experiments and Results

4.1 Performance Testing

4.2 Stability Testing

Continuous operation for 24 hours, the fluctuation of slitting accuracy is less than ±0.02mm, and the system runs stably.

5. Conclusion

The high-precision hot stamping paper slitting machine designed in this study achieves a slitting accuracy of ±0.05mm, increases the production efficiency by 60%, and significantly reduces the scrap rate through the optimization of mechanical structure and the application of advanced control algorithms, which has important industrial application value.

References

[1] Zhang XX. Design of control system for high-precision slitting machine[J]. Journal of Mechanical Engineering, 2020.

[2] Li XX. Research on tension control based on fuzzy PID[D]. XX University, 2019.