C18 automatic tea bag packing machine with outer envelope forming and photoelectric positioning system

Inner and outer tea bags with attached thread and tag produced on the C18 machine

Volumetric cup filler and film roll setup on the C18 tea bag packing machine

Complete tea bag with outer envelope and tag discharged from the C18 machine

Side view of the C18 machine showing film feeding and sealing units

Filter Paper Tea Bag Packing Machines · Model C18

C18 Automatic Tea Bag Packing Machine with Outer Envelope

The C18 automatically forms, fills and seals inner filter paper tea bags with attached thread and tag, then encloses them in a composite outer envelope. It runs 40 to 60 bags per minute for products like tea leaves, medicinal tea and health tea, with adjustable inner and outer bag sizes. The machine uses a volumetric cup filler and photoelectric positioning for tag and outer envelope alignment. It is designed for producers who need consistent packaging appearance and reduced manual handling in a single automated line.

Forms inner and outer tea bags simultaneously, reducing operator contact with packing materials
Photoelectric positioning ensures accurate tag placement and outer envelope alignment
Adjustable inner and outer bag sizes to match different product formats and branding needs
Volumetric cup filling delivers consistent fill volume across 3 to 15 ml per bag

Key Benefits

Forms inner and outer tea bags simultaneously, reducing operator contact with packing materials
Photoelectric positioning ensures accurate tag placement and outer envelope alignment
Adjustable inner and outer bag sizes to match different product formats and branding needs
Volumetric cup filling delivers consistent fill volume across 3 to 15 ml per bag
Thread and tag attachment can be added as optional features for branded presentation
Single operator can manage the line after setup, replacing multiple manual steps

Application Scenarios

Tea producers packaging small granular blends for retail with a branded outer envelope
Medicinal and health tea manufacturers needing a clean, sanitary packaging process
Contract packers handling multiple tea brands with different bag sizes and tag designs
Blenders moving from manual packing to automated inner and outer bag formation

Who It Is For

Tea blenders who need inner and outer tea bag packaging in one line
Health tea producers requiring consistent tag and envelope alignment
Brands that want a premium look with a printed outer envelope and attached tag
Packaging facilities replacing manual or semi-automated bagging with a fully automatic solution

Problems It Solves

Manual inner and outer bag assembly causes inconsistent alignment and high labor cost
Lack of photoelectric positioning leads to misaligned tags and outer envelopes
Inconsistent fill volume from hand filling or gravity feed affects product weight and compliance
Direct handling of filter paper and tags increases contamination risk in food-grade production
Multiple machines needed for inner bag and outer envelope formation increase footprint and complexity

Technical Features

Automatic simultaneous formation of inner filter paper bag and outer composite envelope
Volumetric cup filling with adjustable fill volume from 3 to 15 ml per bag
Photoelectric positioning for accurate tag placement and outer envelope alignment
Adjustable inner bag size from 50 to 70 mm length and 40 to 80 mm width
Adjustable outer bag size from 70 to 120 mm length and 60 to 90 mm width
Optional thread and tag attachment with 155 mm thread length and 20 to 24 mm tag length

Specifications

Machine model	C18
Machine type	Tea Bag Packing Machine Series
Packing material	Paper/Plastic, Plastic/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, Tea filter paper, Thread, Tag paper
Measuring method	Measuring cup filler
Filling range	3-15 ml per bag
Packing speed	40-60 bags/min
Inner bag size	L: 50-70 mm, W: 40-80 mm
Outer bag size	L: 70-120 mm, W: 60-90 mm
Tag size	L: 20-24 mm, W: 40-55 mm
Thread length	155 mm
Power supply	220V, 50Hz, 3.7 kW
Dimension	1250 x 700 x 1800 mm (L x W x H)
Machine weight	500 kg

Packing Materials It Runs

Tea filter paper for inner bags with thread and tag attachment
Composite paper for outer envelopes with optional aluminum layer
Plastic/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic films for outer envelope options
Thread for tag attachment, 155 mm long
Tag paper for branded identification

How the Machine Works

1Film roll feeding for inner and outer bag materials
2Simultaneous inner bag forming with thread and tag attachment
3Volumetric cup filling with 3 to 15 ml capacity
4Photoelectric positioning for tag and outer envelope alignment
5Outer envelope forming and sealing around the inner bag
6Final discharge of complete packaged tea bag

Quality Control Before Shipment

Certifications

Customization Options

Adjustable inner bag size from 50 to 70 mm length and 40 to 80 mm width
Adjustable outer bag size from 70 to 120 mm length and 60 to 90 mm width
Option to add thread and tag attachment with 155 mm thread length
Tag size set between 20 to 24 mm length and 40 to 55 mm width
Film type selected from paper/plastic, plastic/plastic, plastic/aluminum/plastic, paper/aluminum/plastic
Power supply configured for destination market voltage and plug type on request

How It Compares

Manual inner and outer bag assembly	The C18 replaces multiple hand steps with one automated line, but requires a fixed 1250 x 700 mm footprint and trained operator
Separate inner bag and outer envelope machines	The C18 reduces machine count and floor space, but limits flexibility if inner and outer bag sizes must vary independently
Machine with only inner bag formation	The C18 adds outer envelope packaging in one line, but requires more complex film handling and alignment setup

Use Guide

1Connect a clean dry power supply at 220V 50Hz and 3.7 kW
2Load the inner filter paper and outer envelope film rolls according to material type
3Set inner bag size to 50-70 mm length and 40-80 mm width based on your product
4Set outer bag size to 70-120 mm length and 60-90 mm width for your packaging design
5Adjust volumetric cup to 3-15 ml fill volume and calibrate with your product
6Enable photoelectric positioning and align the tag and envelope before starting the batch
7Run ten sample bags and check fill volume, tag position, and seal integrity

C18 Automatic Tea Bag Packing Machine with Outer Envelope FAQ

What is the fill volume range?

The machine fills 3 to 15 ml per bag using a volumetric cup filler.

How fast does it run?

It runs at 40 to 60 bags per minute depending on bag size and product flow.

Can it attach thread and tags?

Yes. Thread and tag attachment is optional and can be added to the machine.

What power supply does it need?

220V 50Hz single phase, 3.7 kW. We can adjust the voltage and plug type for your market.

Can I change the inner and outer bag sizes?

Yes. Inner bag size is adjustable from 50 to 70 mm length and 40 to 80 mm width. Outer bag size is adjustable from 70 to 120 mm length and 60 to 90 mm width.

Does it use photoelectric positioning?

Yes. Photoelectric positioning ensures accurate tag placement and outer envelope alignment.

What materials can it run?

It runs tea filter paper, paper/plastic, plastic/plastic, plastic/aluminum/plastic, and paper/aluminum/plastic films.