Features

This production line is suitable for the automatic filling of various powder and powder mixtures products, automatically positioned the container, and the filling material will be automatically transported to the container sealing machine and the dustproof capping machine. It is widely used in various bottled and canned products filling, such as milk powder, protein powder, chicken powder, chicken essence, mono sodium glutamate, medicine, food additives etc.

Technical parameters

Filling method	Auger weighing filling
Tank size	Diameter φ50-180mm, height 50-350mm
Filling range	10-2000g
Filling speed	0-20 cans / min
Power	Three-phase 380V (or single-phase 220V),3.5kw
Machine weight	1000kg
Container size	Diameter 50--180mm, height 50--350mm
Machine dimension	3330 × 1400 × 2400mm
Hopper volume	50L

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Machines Pictures:

Full Automatic Milk Powder Packaging Line: Components, Workflow & Advantages

This integrated turnkey line is designed for high-efficiency, hygienic packaging of milk powder and similar powdered products. It combines bottle preparation, filling, sealing, capping, labeling, and optional vacuum/nitrogen preservation into a continuous, automated workflow. Below is a detailed breakdown of each machine, the full process flow, and key competitive advantages:

1. Core Line Components & Machine Briefs

① Bottle Unscrambler

Function: Automatically sorts, orients, and feeds empty bottles/cans onto the production line. It handles bulk, randomly loaded containers, aligning them in the correct direction for downstream processing.
Key Features: Adjustable to fit various bottle/can sizes, with low-level alarms and anti-jam mechanisms to ensure uninterrupted feeding.

② Powder Screw Feeder

Function: Conveys bulk milk powder from storage hoppers to the filling machine’s dosing system. It uses an inclined auger screw to elevate powder, eliminating manual handling and preventing contamination.
Key Features: Enclosed stainless steel design prevents dust emissions, with speed control to match the filling rate and maintain consistent powder flow.

③ Powder Filling Machine

Function: The heart of the line, this auger-based filling machine dispenses precise volumes of milk powder into containers. For high-volume production, the double-head rotary model is commonly used.
Key Features: Servo-driven auger control for ±0.3% filling accuracy (with optional online weighing feedback), anti-dust nozzles, and recipe storage for quick product changeovers.

④ Can Seamer / High-Speed Sealing Machine

Function: Seals metal cans with airtight lids using mechanical crimping. For plastic containers, it integrates optional vacuuming and nitrogen flushing to remove oxygen, extend shelf life, and prevent oxidation.
Key Features: High-speed rotary design for consistent, leak-proof seals, with adjustable crimping pressure to suit different can materials and sizes.

⑤ Snap Cap Capping Machine

Function: Automatically places and tightens screw-on or snap caps onto sealed containers. It ensures uniform torque for secure, tamper-evident closures.
Key Features: Cap sorting and feeding systems, adjustable torque control, and compatibility with various cap styles (plastic screw caps, metal lids).

⑥ Labeling Machine

Function: Applies self-adhesive labels to containers, including product information, barcodes, and branding. It can handle front/back labels, neck labels, or wrap-around labels.
Key Features: High-precision label placement, support for variable data printing, and adjustable guides for different container shapes and sizes.

⑦ Optional Add-On Machines

Bottle Flip, Blowing & Sterilizing Machine: Inverts empty containers, uses filtered air to remove dust/debris, and performs UV or dry heat sterilization. Critical for meeting food safety standards by eliminating contaminants before filling.
Can/Bottle Surface Cleaning Machine: Uses air jets or soft brushes to remove dust, powder residue, or static from container surfaces before labeling, ensuring labels adhere smoothly and look clean.

2. Complete Production Workflow

1). Bottle Preparation:
Empty bottles/cans are loaded into the bottle unscrambler, which orients and feeds them onto the conveyor.
Optional step: Containers pass through the flip, blowing & sterilizing machine for cleaning and decontamination.

2). Powder Handling & Filling:
Bulk milk powder is elevated by the powder screw feeder to the powder filling machine.
The auger dosing system dispenses precise volumes of powder into each container, with optional online weighing feedback for accuracy.

3). Sealing & Preservation:
Filled containers move to the can seamer/high-speed sealing machine, where lids are crimped onto cans.
Optional: For enhanced preservation, the machine performs vacuuming to remove air, then flushes with nitrogen to create an inert atmosphere, preventing oxidation and extending shelf life.

4). Capping (If Applicable):
Containers with screw-on caps proceed to the snap cap capping machine, which applies and tightens caps to the correct torque.

5). Surface Cleaning & Labeling:
Containers pass through the surface cleaning machine to remove dust/residue.
The labeling machine applies pre-printed labels, including variable data like batch numbers and expiry dates.

6). Final Output:
Finished, labeled containers are discharged from the line, ready for case packing and distribution.

3. Key Competitive Advantages of Our Line

✅ Hygienic & Food-Grade Design  All product-contact parts are made of 304/316 stainless steel, with enclosed systems to prevent cross-contamination. Optional sterilization and cleaning steps ensure compliance with strict food safety regulations (e.g., FDA, GMP).

✅ High Precision & Consistency Servo-driven auger filling with optional online weighing delivers ±0.3% fill accuracy, minimizing product giveaway and ensuring compliance with weight labeling requirements.

✅ Flexible & Scalable The modular design allows for easy integration of optional machines (sterilization, nitrogen flushing) and quick changeovers between different container sizes and powder types, adapting to evolving production needs.

✅ High-Speed Efficiency  Double-head filling and rotary sealing/capping systems support high-volume production (up to 120+ containers per minute), with low downtime and reliable operation.

✅ Extended Shelf Life Solutions Optional vacuum and nitrogen flushing removes oxygen and moisture, preserving the freshness and quality of milk powder without the need for chemical preservatives.

✅ User-Friendly Operation & Maintenance Centralized PLC/HMI control with recipe storage simplifies operation, while tool-free disassembly of contact parts makes cleaning and maintenance fast and easy.

Optional Add-On Machines
Sealing Machine With Vacuuming And Nitrogen filling    High Speed Sealing Machine
Automatic vacuumize and nitrogen filling, automatic sealing      Automatic sealing cans with high speed


Bottle Flip Blowing Sterilizing machine Can/Bottle Surface Cleaning Machine
This machine is a conveying sterilization equipment can thoroughly This machine is a cleaning equipment for the surface of finished cans
disinfect the top and the bottom of the can in an all-round way

Description
1. The automatic powder filling line includes: bottle unscrambler → automatic feeding machine → single-head powder filling machine → capping machine (or can sealing machine) → bottle mouth aluminum foil sealing machine → labeling machine → inkjet printer → Chain conveyor belt→packing platform, the assembly line configuration can be selected according to the requirements of the customer.

2. The appearance of the whole set of machines in this production line is all stainless steel, and all machine structures are selected and designed in accordance with food and drug hygiene standards;

3. The inner wall of the container in contact with the material is polished, and the structure that is frequently disassembled and washed is connected with easy-disassembled parts to ensure that it is hygienic and convenient to handle when shifting or changing products;

4. You can go to the factory for site survey and design the best production plan on the spot; provide free technical support for other aspects of the production line.

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