SDP-50 Automatic Drip Coffee Bag Tea Bag Packing Machine with Nitrogen Flush & QR Code Printer

SDP-50 Automatic Drip Bag Coffee & Steep Tea Bag Filling Packing Machine

with Nitrogen Flushing & QR Code Printing

The SDP-50 is a high-capacity all-in-one automatic drip bag packaging machine specially designed for hanging ear drip coffee bags and tagged steep tea bags, with a stable production speed up to 60 bags per minute. Integrated complete MAP nitrogen flushing system, thermal transfer batch number & QR code coding system, dual sealing structure (ultrasonic inner filter bag + heat-seal outer envelope pouch), finished product output conveyor, and reserved interface to link automatic cartoning machine, forming a fully unmanned packaging production line for coffee roasteries, tea factories and food processing plants. Watch full machine operation demo video: https://www.youtube.com/watch?v=kfEh57dnldg

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Wide Application Scenarios

• Packaging Product: Hanging ear drip coffee bag, tagged steep tea bag, herbal filter tea bag, single-serve ground coffee pouch

• Filling Material: Ground coffee powder, fine tea powder, herbal tea powder

• Packing Material: Non-woven filter inner bag, composite aluminum foil outer envelope pouch, paper tag with cotton string

Core Competitive Advantages

1. 60 Bags/Min High Capacity Stable Output: Servo synchronous control realizes continuous high-speed production, ideal for medium & large-scale coffee and tea manufacturing lines, greatly improving production efficiency and labor cost reduction.

2. Nitrogen Flushing MAP Freshness Protection: Built-in food-grade nitrogen displacement system, effectively remove air inside outer pouch, control residual oxygen content less than 1%, lock coffee/tea aroma, extend shelf life up to 12 months, solve oxidation stale problem of ground coffee powder.

3. Dual Sealing Technology for Perfect Hermetic Packaging: Inner filter drip bag adopts ultrasonic non-welding sealing without glue, neat edge, no powder leakage; outer aluminum foil pouch uses constant temperature heat sealing to achieve 100% airtight barrier effect.

4. Auto Update QR Code & Batch Date Coding System: Equipped thermal transfer overprint (TTO) coding machine, support real-time automatic QR code data update, flexible printing batch number, production date, expiration date, traceability code, meet food traceability regulatory standards of EU, USA, Australia.

5. Complete Automatic Linkage Production Line: Standard finished drip bag output conveyor, reserved communication protocol interface, can be directly connected with automatic box cartoning machine to realize bag-making-filling-sealing-coding-conveying-cartoning full automatic workflow.

6. 304 Food Grade Stainless Steel Body: All contact parts with coffee powder and tea raw materials adopt SUS304 stainless steel, easy to clean, meet GMP food hygiene requirements, durable for long-term continuous operation.

Technical Parameters Table

Full Automatic Working Flow

Inner filter film unwinding → tag & string feeding → ultrasonic inner bag forming & sealing → quantitative powder filling → nitrogen flushing → outer pouch film unwinding → heat outer bag sealing → TTO QR/batch date coding → finished drip bag output conveyor → connect cartoning machine for box packaging

Station 1: Raw Material Hopper & Quantitative Filling Station

SUS304 stainless steel feeding hopper with anti-bridge vibrator, precision volumetric screw dosing system ensures consistent filling weight 5–15g per drip bag, no material waste, compatible with fine coffee powder and loose tea granules.

Station 2: Inner Filter Bag Unwinding & Tag String Feeding Station

This station stores the non-woven filter film roll and paper tag with cotton string, servo motor controls stable film feeding, photoelectric sensor locates tag position accurately, avoid tag deviation during high-speed production, ensure each drip bag equipped with complete hanging tag.

Station 3: Ultrasonic Inner Bag Forming & Sealing Station

Core ultrasonic welding station for inner drip filter bag. High-frequency vibration realizes seamless sealing without adhesive, tight sealing edge prevents coffee powder leakage, adapt biodegradable PLA filter material, stable sealing effect under 60 bags/min high speed.

Station 4: Nitrogen Flushing MAP Freshness Protection Station

Built-in nitrogen injection pipeline, flush food-grade nitrogen into outer pouch instantly before heat sealing, displace oxygen inside package strictly control residual oxygen below 1%, lock coffee aroma, extend product shelf life for commercial retail brands.

Station 5: TTO Thermal Transfer QR & Batch Date Coding Station

Integrated thermal transfer coding system, support automatic real-time QR code data update, flexible print batch number, production date, expiry date, anti-counterfeiting traceability code, clear printing without fading, compatible with all heat-seal outer film materials.

Station 6: Outer Pouch Heat Sealing Station

Constant temperature heat sealing mechanism for aluminum foil outer envelope, independent temperature control module for upper/lower sealing bars, form airtight barrier pouch, block light, moisture and oxygen secondary intrusion, match multi-layer composite packing film.

Station 7: Finished Product Output Conveyor & Cartoning Linkage Station

Standard finished drip bag discharge conveyor, reserved communication protocol interface, plug-and-play connection with automatic cartoning machine, realize continuous unmanned packaging line, save manual bag collection and box loading labor.

If you need high-efficiency automated drip coffee & tagged tea bag packaging line to boost production capacity, contact us for customized layout drawing, factory test report, price quotation and free machine operation video. We provide global after-sales service and technical support for all overseas clients.

Contact: 

Email: mike@sunyimachine.com

WhatsApp/WeChat: +86 133-8216-2325

FAQ：

Q1: What’s the residual oxygen after nitrogen flushing?

A1: Less than 1%, effectively prevent ground coffee oxidation and flavor loss.

Q2: Can this machine print dynamic QR code automatically?

A2: Yes, equipped thermal transfer coding system supports auto update QR code data via communication protocol.

Q3: Is it possible to connect with cartoning machine?

A3: Standard output conveyor and reserved linkage interface, compatible with full automatic box cartoner.

Q4: What sealing way for inner drip filter bag?

A4: Ultrasonic welding sealing, no glue, leak-proof for coffee powder.

Q5: Max production speed of SDP-50 machine?

A5: Stable 60 bags per minute continuous production.