Vacuum Suction Stacker for Ultra-Thin Veneer Plywood

Main Components

Component	Main Function & Description
Conveying Section	Composed of a conveyor frame, drive rollers, and a special conveyor belt. The belt typically has through-holes to allow the vacuum suction force to act on the veneer through the belt surface.
Vacuum Suction System	This is the core of the equipment, including a fan (or vacuum pump), suction chamber (plenum), pipelines, etc. The operation of the fan creates a stable negative pressure zone within the suction chamber.
Machine Frame	A high-strength structure welded from steel profiles and plates, used to support and install all other components, ensuring the operational stability of the equipment.
Pneumatic System	Composed of cylinders, air source treatment units (FRL), solenoid valves, etc. It provides power for mechanisms like the unloading device and alignment devices, performing actions such as pushing, pulling, and clamping.
Lifting Table	Typically a scissor-type hydraulic lifting table or motor-driven, used to support the continuously growing stack of veneers. It automatically descends as the stack height increases to maintain a constant receiving height.
Electrical Control System	Centered around a PLC (Programmable Logic Controller), combined with a touch screen (HMI), inverters, sensors, etc., to achieve automated control, parameter setting, status monitoring, and fault alarm functions of the equipment.

Working Process

1. Ultra-Thin Veneer Infeeding: Ultra-thin veneers (0.2-1.5mm) are conveyed from upstream peeling machines or dryers into the stacker infeed. Anti-curling press rollers ensure flat entry.

2. Micro-Pressure Suction: The variable frequency fan starts, automatically adjusting to micro-pressure mode (-8mbar to -12mbar) based on veneer thickness. High-density suction cups evenly grip the veneer, preventing local stress breakage.

3. Smooth Transport: The veneer is transported smoothly on the flexible suction belt at speeds up to 120 m/min. The lightweight design minimizes start-stop impact.

4. Intelligent Positioning: Photoelectric sensors detect the veneer position in real-time. The control system calculates the optimal release timing based on preset parameters. For thin veneers, the system automatically corrects the release zone according to thickness and speed .

5. Gentle Release: The servo-driven kicker arm releases the veneer with a gentle action. Placement error is within ±1mm, and the veneer lands smoothly onto the lifting stacking platform.

6. Precise Stacking: The stacking platform automatically descends by one veneer thickness (0.1mm precision), maintaining a constant stack top height and preventing thin veneers from drifting and misaligning.

7. Full Stack Output: Upon reaching the preset stack height, the platform delivers the full stack of ultra-thin veneers for removal by forklift or transfer via conveyor.

Main Specifications

4feet veneer stacker
model	MH-VS127A
lifting mode	hydraulic lift*3kw*1set
fan motor	5.5kw*2pcs
driving motor	3kw*2pcs
press veneer motor	2.2kw*1pcs
waste veneer conveyor	2.2kw*1pcs
total power	25kw
veneer size	900-1300*600-1300mm
thickness	<3.6mm
total weight	2.5t
size	5500*2000*2750mm
8feet veneer stacker
model	MH-VS2600A
lifting mode	hydraulic lift *3kw*1set
fan motor	5.5kw*4pcs
driving motor	3kw*2pcs
press veneer motor	2.2kw*1pcs
waste veneer conveyor	2.2kw*1pcs
total power	35kw
veneer size	2300-2600*600-1400mm
thickness	<3.6mm
total weight	5t
size	6500*3200*2750mm

Main Advantages

1. Designed for Ultra-Thin Veneers: Tailored specifically for the physical characteristics of 0.2-1.5mm ultra-thin veneers, fundamentally solving industry pain points such as fragility, curling, and difficult suction.

2. Micro-Pressure Suction Technology: Zoned micro-pressure vacuum control with precisely adjustable suction force avoids breakage of ultra-thin veneers caused by excessive suction common in traditional stackers .

3. Flexible Transport System: Lightweight suction belt and servo-driven kicker mechanism minimize start-stop and release impact, ensuring thin veneers remain intact and undamaged.

4. Speed-Adaptive Release: Automatically corrects release timing and zone based on veneer thickness and transport speed, ensuring precise placement for different thin veneer specifications .

5. Anti-Static Design: Conveyor belts and stacking platforms use anti-static materials to prevent ultra-thin veneers from sticking due to static electricity, maintaining stacking neatness.

6. Energy-Efficient & High-Speed: Variable frequency fans provide on-demand power, saving over 30% energy compared to traditional models while maintaining high-speed stacking capability of 120 m/min.

7. Industry-Leading Stacking Neatness: High-precision sensors combined with servo control achieve placement error within ±1mm, with stack edges as neat as if cut by a knife.

8. Intelligent Operation: PLC features a built-in parameter library for ultra-thin veneers, allowing one-touch recall of optimized stacking parameters for different thicknesses without repeated manual adjustments.

About Us

Our Services

Free Sample Testing: We offer free stacking tests for customer's ultra-thin veneers (starting from 0.2mm) to verify equipment performance.

Customized Design: Non-standard design and modification according to special requirements of ultra-thin veneers (e.g., special sizes, specific moisture content).

Professional Installation & Commissioning: Experienced technicians dispatched for on-site installation and commissioning guidance, ensuring perfect adaptation to ultra-thin veneer production lines.

Operation Training: Specialized training for customer operators on ultra-thin veneer stacking, including parameter setting, troubleshooting, and daily maintenance.

Spare Parts Supply: Global spare parts centers stock wear parts such as ultra-thin veneer special suction cups and seals for rapid supply.

Remote Technical Support: 24/7 online technical support for rapid response to customer issues.