Main components of Doypack pre-made bag packaging machine

The main components of the Doypack pre-made bag packaging machine are as follows:

1. Core functional modules
‌Bag handling system‌
Rotary bag picking mechanism realizes accurate grabbing of pre-made bags
Pneumatic bag opening device equipped with vacuum suction cup (negative pressure ≥ 0.6MPa)
Heat sealing knife group supports three-side/four-side sealing (temperature control ±1℃)
‌Material filling unit‌
Servo-driven screw filling system (accuracy ±0.3%)
Liquid filling valve group (anti-drip design)

2. Auxiliary system configuration
Conveying system, the key components are the same Step belt conveyor mechanism, adjustable speed 0-60 bags/minute
Detection system, equipped with bag mouth foreign body visual detector, resolution 0.1mm
Pneumatic control, the component is solenoid valve group (SMC brand), response time <10ms

III. Intelligent control components
PLC+HMI control system (supports recipe storage)
Weight feedback system (dynamic weight check accuracy ±0.1g)
Remote monitoring module (4G data transmission)
Note: The equipment can be equipped with nitrogen replacement system (residual oxygen content <2%) or QR code printing device