Small Fruit Packing Machine | 8-Head Linear Weigher – Punnet & Clamshell Filling Line for Cherry Tomato, Litchi & Jujube

Product Overview – Complete Punnet Packing Line with Linear Weigher

This 8-head linear weigher (also known as a linear combination weigher or multi-head linear weigher) is designed specifically for small fruits that require gentle handling and precise weight filling into punnets or clamshells – small plastic boxes typically used for 1000g or less.

Typical applications:

• Cherry tomatoes

• Litchi (lychee)

• Jujube (winter date)

• Longan

• Apricot (small)

• Walnut (small)

  

✅ Fruit size limit: Diameter smaller than 40mm (round fruits).
✅ Box capacity: Standard up to 1000g (customizable).
✅ Linear weigher design: Evenly distributes fruit into 8 channels for high-speed, accurate filling.

Complete Line Components

The line consists of 8 integrated machines for a fully automated packing process.

No.	Component	Function
1	Inspection belt conveyor	Manual sorting of defective fruit
2	8-head linear weigher	Even distribution + target weight filling into punnets/clamshells
3	Material receiving & box pressing conveyor	Box closing
4	Automatic punnet/clamshell feeder	Feeds empty boxes into line
5	Elevating conveyor	Transfers boxes between sections
6	Checkweigher	Weight verification and rejection
7	Labeling machine	Automatic label application
8	Feed tray	Collects finished boxes

💡 Complete automation: From empty box feeding → filling → weighing → closing → checkweighing → labeling.

What is a Linear Weigher?

A linear weigher (or linear combination weigher) is a type of multi-head weighing system where fruit is distributed linearly into multiple channels. It is ideal for small, uniform products like cherry tomatoes, litchis, and jujubes.

How it works:

• Fruit is evenly distributed into 8 linear channels

• Each channel weighs a portion independently

• The system selects the best combination of channels to achieve target weight

• Fruit is released into punnets or clamshells below

Compared to rotary weighers: Linear weighers are more compact and often more accurate for small, delicate fruits.

✅ Also known as: Linear combination weigher, multi-head linear weigher, 8-head linear scale, or simply punnet packing weigher.

Working Process – Step by Step

Key Features

Technical Specifications – Main Components

8-Head Linear Weigher

Checkweigher

Labeling Machine

Standard Punnet / Clamshell (Reference)

✅ Custom box sizes – We can adjust the line to your specific punnet or clamshell dimensions, as long as capacity is within 1000g.