Semi-automatic Pillow Packaging Machine for Vegetables, Fruits, and Bread

Semi-automatic Pillow Packaging Machine for Vegetables, Fruits, and Bread

 
Core Concept: The pillow packaging machine gets its name from the appearance of the packaged product—resembling a "pillow." It uses a single roll of packaging film to wrap individual or combined products inside the machine, sealing the back and ends to form a pillow-shaped bag with three or four-sided sealing.
 
I. Core Working Principle (Three-Step Forming Method)
Pillow packaging is a continuous process, its core components being the "center sealing wheel" and the "end sealing cutter."
 
1. Tube Forming (Longitudinal Sealing):
 
The packaging film is drawn from the roll and passes through the forming device (a key mechanical triangular or U-shaped plate).
 
The film is folded by the forming device, transforming from a flat surface into a cylindrical shape, wrapping the product conveyed from below.
 
The longitudinal edges of the film are heat-pressed and bonded by the center sealing wheel (a continuously rotating wheel with heating and patterns), forming a longitudinal back seal.
 
2. Filling and Conveying:
 
The product is pushed synchronously and at equal intervals into the forming film tube via the feed conveyor belt. The machine's servo system or mechanical synchronization mechanism ensures that the product's entry is perfectly synchronized with the film's traction.
 
3. Horizontal Sealing and Cutting (End Sealing):
 
The film tube containing the product continues forward to the horizontal sealing cutter.
 
The horizontal sealing cutter (usually a pair of grippers with heating plates and sharp blades) moves back and forth or rotates like scissors. It performs two actions simultaneously:
 
Horizontal Sealing: It clamps the front and back sides of the film tube, heat-presses and seals them, forming the front seal of the current package and the rear seal of the next package.
 
Cutting: It cuts the two packages apart in the middle of the two seals.
 
Finally, a "pillow-shaped bag" with sealed ends and a longitudinal seal on the back is completed.
 
II. Key Components and Technical Considerations
1. Forming Unit: The "heart" of the machine. Different shapes (such as square forming units, round forming units) are suitable for different products and film characteristics. A good forming device ensures the film wraps the product smoothly and without wrinkles.
 
2. Center Sealing Roller and Horizontal Sealer:
 
Temperature Control: Precise PID temperature control is key to a strong and aesthetically pleasing seal.
 
Patterns: Customizable anti-slip patterns and brand logo patterns increase seal strength and appearance.
 
3. Drive and Control System:
 
Servo System: The core of a modern pillow-type packaging machine. Three servo machines represent high-end performance and flexibility.
 
Human-Machine Interface: Color touchscreen, capable of storing numerous recipes, one-click production changeover.
 
4. Supporting Devices (Determine Functional Expansion):
 
Date Printer: Ink roller coding, thermal transfer coding (for clearer results), or inkjet printer.
 
Photoelectric Tracking System: Ensures consistent pattern placement on each package by detecting the cursor (color mark) on the film.
 
Gas Inflation/Vacuum Device: Can be modified into a nitrogen-filled pillow-type packaging machine for preserving potato chips and puffed foods.
 
Combination Scale/Multi-Head Scale: Used for precise weighing and combining of granular and strip-shaped products before feeding (e.g., nuts, pet food).
 
Metal Inspection Machine/Weight Inspection Machine: Integrates quality and safety testing.
 
III. Application Areas (Extremely Wide):
1. Food: Biscuits, bread, pastries, instant noodles, candy, ice cream, chocolate, potato chips, meat products, frozen foods, seasoning packets, etc.
 
2. Daily Chemicals: Soap, paper towels, wet wipes, sanitary napkins, toothbrushes, cotton pads, etc.
 
3. Pharmaceuticals: Outer packaging for infusion bags, gauze, cotton swabs, and blister packs.
 
4. Industry: Hardware parts, electronic components, batteries, toys, stationery, etc.
 
Machine Specification:

(We can provide you with exclusive customized services according to your needs!)
 



After-sale service:
1. Provide manuals/videos for machine installation, adjustment, setup, and maintenance for your use.
2. If the problem cannot be solved, 24-hour telecommunication or online face-to-face communication is available.
3. SUNCHON engineers and technical engineers can provide machine service in your country.
4. The whole machine is guaranteed for 1 year. During the warranty period, the parts that are not artificially damaged. We will replace it with a new one for you free of charge. The warranty will start after the machine is sent out and we receive the bill of lading.
5.We will provide technical support lifelong and provide accessories persistently.