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Single-head Drop Automatic Packing Machine
A PET bottle line running at moderate speed does not need a complex multi-axis gripper. It needs a reliable, clean, and simple drop packer that keeps up without constant attention. The Single-head Drop Automatic Packing Machine is designed for exactly this scenario. Xiangyi Machinery builds this unit for water, juice, detergent, and edible oil plants. Our machine drops bottles gently into cartons using a controlled fall, not free drop. This page explains the engineering, the real-world performance, and the service structure behind this model.
Product Overview: Simple and Clean Packing
This drop packer uses a single dropping head instead of multiple grippers. Bottles are separated into lanes, arranged into rows by servo-controlled guides, then released through a drop port directly into a waiting carton. The carton rises to meet the bottles, reducing the fall distance to under 100mm. This controlled drop prevents neck damage and label scuffing. The machine cycles at 600 to 900 cases per hour, ideal for small to medium bottling lines. The design has no oil-based moving parts above the packing zone, so there is zero contamination risk for food and beverage products.
Key Technical Specifications
|
Parameter |
Details |
|
Packing capacity |
600 – 900 cases per hour |
|
Container types |
PET plastic bottles (round or square, 300ml – 2.5L) |
|
Drop heads |
1 (single head) |
|
Fall distance |
Adjustable, 50 – 150mm (carton rises to meet bottles) |
|
Case dimensions (L×W×H) |
250–500mm × 180–400mm × 150–350mm |
|
Bottle height range |
80 – 350 mm |
|
Control system |
PLC (Delta) + 7-inch touch screen |
|
Servo axes |
Lane separation + row arrangement |
|
Pneumatic components |
AirTac cylinders and solenoid valves |
|
Air supply |
0.5 – 0.6 MPa |
|
Power supply |
380V, 50Hz, three-phase |
|
Machine dimensions (L×W×H) |
4000 × 1500 × 1200 mm |
|
Weight |
~1500 kg |
Material and Design Details That Matter
Drop port construction
The drop port is made of polished stainless steel SUS304 with rounded edges. No sharp corners that could scratch labels or deform bottle caps. The port width is servo-adjustable, so changing bottle diameters does not require manual reconfiguration.
Carton lift platform
Unlike basic drop packers that drop bottles from a fixed height, our platform rises as the carton fills. The lift uses a servo-driven scissor mechanism with position feedback. The drop distance stays under 100mm from the first bottle to the last. This eliminates the "stacking breakage" common in fixed-height drop packers where top bottles crack bottom bottles.
Lane separation system
The infeed section has three independently adjustable lanes. A servo motor moves the lane dividers based on the bottle diameter entered on the touch screen. Changeover from a 500ml bottle to a 1.5L bottle takes under five minutes. No tools needed for lane adjustment.
Oil-free packing zone
All moving parts above the carton level use sealed bearings and dry bushings. No grease fittings or oil reservoirs exist above the product path. This design meets GMP standards for food and beverage packing. A detergent plant in Thailand passed a surprise hygiene audit specifically because our machine left no oil residue on carton flaps.
Applications: Real Products
This Single-head Drop Automatic Packing Machine works with:
|
PET water bottles – 330ml, 500ml, 1L, 1.5L |
|
|
Carbonated soft drinks – 500ml to 2L (stable base bottles) |
|
|
Edible oil bottles – 500ml to 2.5L (round or square) |
|
|
Detergent and laundry liquid – 1L to 3L handle bottles |
|
|
Juice and isotonic drinks – 350ml to 1.5L |
Field example – A water bottler in Kenya used manual packing for 1L PET bottles. Twelve workers packed 500 cases per hour. Breakage ran 2% from dropped bottles. After installing our single-head drop packer, three workers run the line at 750 cases per hour. Breakage fell to 0.4% because the rising platform shortens the fall distance. The machine paid for itself in eleven months through labor reduction alone.
Key milestones for drop packing buyers
Achieved CE certification for all drop packing models
Added remote PLC diagnostics via WhatsApp video
Launched oil-free packing zone design for GMP compliance
Introduced rising carton platform to reduce fall distance
Developed servo-controlled lane separation system
First drop packer exported to Kenya (water line)
Frame fabrication – Laser-cut steel, welded on jigs for alignment
Surface coating – Sandblasted, then electrostatic powder coat (two layers)
Drop port assembly – SUS304 stainless, edges polished, servo width mechanism installed
Lift platform build – Scissor lift with servo motor and encoder feedback
Lane divider assembly – Adjustable rails with servo position control
Panel wiring – Numbered wires, labeled terminals, in-house PLC programming
Pneumatic test – 4-hour run at 0.6 MPa, soap-checked for leaks
Full system test – 3-hour run with customer-supplied bottles and cases
Video documentation – Full test recorded, from bottle infeed to sealed case
Crating – Plywood box, moisture barrier, shock indicator
Every machine gets a serial number and a test report.
Customer Case Examples
|
Year |
Country |
Product |
Output |
Still Running |
|
2021 |
Kenya |
PET water (1L) |
750 cases/hour |
Yes |
|
2019 |
Thailand |
Laundry detergent (1.5L) |
800 cases/hour |
Yes |
|
2020 |
Uzbekistan |
Edible oil (1L) |
700 cases/hour |
Yes |
|
2018 |
Indonesia |
Juice (500ml) |
850 cases/hour |
Yes |
|
2022 |
Nigeria |
Carbonated soft drink (1L) |
780 cases/hour |
Yes |
Rates vary with bottle size, case pattern, and line configuration.
Service Package
Because we manufacture, not trade:
Pre-sale – Detailed technical consultation and solution design.
During order – Weekly assembly photos with your serial number visible.
Installation & training – Photo-rich manual plus live video call walkthrough.
Warranty – 12 months on parts. Local stock of lane divider components, sensors, servo cables, and PLCs.
Long-term support – WhatsApp replies within 24 hours (China daytime). Parts available for models back to 2012.
FAQ
1. What exactly is a single-head drop automatic packing machine?
2. How does the drop mechanism avoid breaking bottles?
3. Single-head drop vs multi-head gripper packer – which is better?
4. Can it handle different bottle sizes and case patterns?
5. What happens if a bottle tips over before the drop port?
6. Where are your machines running in actual plants?
Xiangyi Machinery was founded in 2002. We started as a general machine shop with 100+ employees and 50+ machine tools. Over 22 years, we focused entirely on packaging machinery for beverages, food, and household products. Now we have a 25,000㎡ factory, and our equipment runs in more than 40 countries.
Contact Jessica Li Directly (Xiangyi Machinery)
Our address
North of Dongzicheng Village, Circular Economy Industrial Zone, Jinzhou City, Hebei Province
Phone Number
+86 18132648037
xiangyijixielucia@yeah.net
