water bottle blow molding machine
The water bottle blow molding machine is an automated system that uses high-pressure air to blow-mold heated plastic preforms into water bottles within a mold. Characterized by high production speeds, low energy consumption, and full automation, it effectively resolves the pain points associated with traditional manual bottle-making—such as low efficiency, risk of secondary contamination, uneven wall thickness, and incompatibility with high-speed filling lines—thereby delivering an efficient, hygienic, and integrated production solution that transforms raw materials into finished bottles.
- Capacity: 60 to 90 BPH (bottles per hour)
- Consumable Material: PET preform
- Working Voltage: 380V/50Hz (Can be customized)
- General Energy Consumption: 5 to 14kw
Price: $4100–$7500
Product Introduction
The water bottle blow molding machine (commonly known as a PET stretch blow molding machine) is a core piece of industrial equipment for modern liquid packaging. It uses infrared technology to precisely heat PET preforms and performs biaxial stretch blow molding under high-pressure, oil-free compressed air at 4.0 MPa, achieving high-speed production of over 2,200 bottles per hour in a single chamber. It serves as a key integrated solution for beverage companies to achieve efficient and hygienic in-line production.
Structure water bottle blow molding machine
The core structure of a water bottle blow molding machine is actually quite simple; it mainly consists of the following seven parts:
- Preform Feeding System
Automatically sorts PET preforms and continuously conveys them to the heating zone, improving production efficiency and operational stability. - Heating System/Oven
Utilizes multi-stage infrared heating technology to uniformly heat the preforms, bringing them to an ideal plasticization state. - Clamping & Mold System
Secures the mold with a stable clamping mechanism to withstand blow molding pressure, ensuring precise bottle dimensions and a smooth, even surface. - Stretching & Blowing System
Performs longitudinal stretching on the heated preforms and molds them via high-pressure gas injection. - Pneumatic & Air Recycling System
Controls the supply of high- and low-pressure gas to improve the stability of the blow molding process while reducing compressed air consumption. - Bottle Ejection & Discharge System
Automatically removes the molded bottles and conveys them to the subsequent production line, enabling continuous production. - Electrical Control & HMI
Utilizes PLC-based intelligent control to centrally manage equipment operating parameters, enabling automated operation and fault monitoring.
Water Bottle Blow Molding Machine
The water bottle blow molding machine is primarily used to produce PET plastic water bottles of various sizes, meeting the diverse production needs of the bottled water and beverage industries and helping customers meet their application requirements, from small-batch production to large-scale manufacturing.
small bottle blow molding machine
PET bottle blow molding machine
2l bottle blow molding machine
5 gallon bottle blow molding ..
Working Principle water bottle blow molding machine
A water bottle blow molding machine mainly uses the process of heating, stretching, and high-pressure air blowing to transform PET preforms into finished bottles. The main working steps are as follows:
- Preform Feeding: PET preforms are automatically loaded and transported into the machine, then arranged and sent to the heating section in sequence.
- Preform Heating: The preforms are heated by infrared lamps to reach a suitable softening temperature, while maintaining uniform temperature distribution for stable molding.
- Preform Stretching: The heated preform is stretched vertically by a stretch rod to improve bottle strength and ensure even material thickness.
- High-Pressure Air Blowing: Compressed air is injected into the stretched preform, forcing it to expand and fit tightly against the mold cavity to form the final bottle shape.
- Bottle Cooling & Forming: The molded bottle is cooled inside the mold to maintain its shape, dimensions, and structural stability.
- Bottle Ejection & Output: After molding, the finished bottles are automatically removed from the mold and transferred to the next production process.
- Automatic Control: The PLC control system manages heating temperature, stretching speed, blowing pressure, and production parameters to ensure stable operation and consistent bottle quality.
Specification
The specifications for a water bottle blow molding machine primarily include the equipment model, production capacity, suitable materials, electrical configuration, energy consumption, core equipment components, and supporting auxiliary equipment, all of which are provided to help customers understand the equipment configuration and production requirements.
| Model | TS-Y |
| Capacity | 60 to 90 BPH (bottles per hour) |
| Consumable Material | PET preform |
| Working Voltage | 380V/50Hz (Can be customized) |
| General Energy Consumption | 5 to 14kw |
| Blow Molding Machine | 1 Set |
| Preform Heating Device | 1 Set |
| Air compressor | 1 Set, 1.0m³/30kgs |
| Air Filter | 1 Set, 2.6m3/min |
| Bottle Mold | 1 Set, 1 cavity |
Process Description
Below is the core process flow for this model of water bottle blow molding machine, from preform heating to finished product shaping, demonstrating the efficient molding steps achieved through human-machine collaboration:
- Preform Heating: PET preforms are fed into an infrared heating chamber, where they are softened through cyclic heating to achieve high plasticity.
- Manual Transfer: Workers manually remove the heated and softened preforms from the oven and quickly secure them into the molding die.
- Mold Clamping: A pneumatic mechanism drives the mold to close, and the clamping device locks instantly to withstand the subsequent high pressure.
- Stretch Blow Molding: A stretch rod vertically elongates the preform, while high-pressure gas is injected to expand it laterally, causing the plastic to conform tightly to the inner wall of the mold.
- Cooling & Shaping: The cooling system rapidly cools and sets the bottle’s shape; the mold then opens, and the finished bottle is removed.
Details
Real-life photos reveal the details and attest to the quality. We present a comprehensive look at the intricate internal structure and key components of the water bottle blow molding machine.
Functions water bottle blow molding machine
- High Production Capacity: Over 2,000 bottles per hour in single-chamber mode, seamlessly integrating with high-speed filling lines.
- Precise Temperature Control: Multi-stage infrared heating with fine adjustments ensures uniform wall thickness without whitening.
- Clean and Hygienic: Fully automated robotic arms operate in a sealed environment, with high-pressure, oil-free air blowing for zero contamination.
- Energy Efficiency: Built-in high-pressure air circuit recovery system delivers overall electricity and air savings of over 20%.
- Flexible Mold Change: Modular mold design allows for rapid bottle type changes in just a few tens of minutes.
- Intelligent Rejection: Full-process photoelectric monitoring ensures automatic and precise online rejection of non-conforming products.
Application water bottle blow molding machine
- Drinking Water Industry: Production of bottles ranging from 350 ml to 2 L for purified water, mineral water, and natural spring water, as well as large-capacity 3- to 5-gallon water containers.
- Carbonated and Carbonated Beverages: Production of bottles for carbonated beverages, fruit juices, tea beverages, functional beverages, and more, typically using five-petal-shaped base molds to withstand high internal pressure.
- Dairy Products and Functional Beverages: Meet the strict physical property requirements for packaging materials used in fresh milk, yogurt, and sports drinks, and is typically integrated with ultra-clean or aseptic filling lines.
- Cooking Oils and Condiments: Production of high-grammage, large-capacity containers for blended cooking oils, as well as bottles for soy sauce, aromatic vinegar, and other products with extremely high requirements for sealing and wall thickness.
- Personal Care and Pharmaceutical Packaging: Extended applications include the automated blow molding of high-volume liquid containers for hand sanitizer, shampoo, medical saline solution, nutritional solutions, and more.
- Chemical Products: Manufacturing of bottles for detergents, lubricants, and other liquid chemical products.
Drinking Water Industry
Carbonated and Carbonated Beverages
Dairy Products and Functional Beverages
Cooking Oils and Condiments
Personal Care and Pharmaceutical Packaging
Chemical Products
Custom water bottle blow molding machine
To meet the diverse needs of different clients regarding bottle design, production volume, and operating environments, custom water bottle blow molding machines can be tailored to specific production requirements. We assist clients in achieving stable PET water bottle production solutions by managing everything from bottle development and mold design to equipment configuration and production line integration.
- Custom Bottle Designs: We develop PET water bottles in various capacities, shapes, and appearances based on bottle designs or samples provided by customers.
- Custom Mold Design: We design specialized blow molds based on bottle dimensions, neck specifications, and production requirements to ensure optimal molding results.
- Production Capacity Configuration: We adjust equipment specifications according to customer production needs to accommodate both small-batch production and large-scale continuous production.
- Custom Equipment Configuration: We can adjust equipment configurations to suit factory floor layouts, production processes, and operational practices.
- Custom Power Supply Requirements: Supports voltage standards of different countries and regions to adapt to local production environments.
- Air Supply System Configuration: Matches appropriate air compression and pneumatic systems based on blow molding pressure and production speed requirements.
- Automation Level Upgrades: Configure functions such as automatic feeding, automatic bottle retrieval, and intelligent control as needed to improve production efficiency.
Water Bottle Blow Molding Machine Manufacturer and Supplier
As a professional water bottle blow molding machine manufacturer and supplier, we provide efficient PET bottle production solutions for bottled water, beverages, edible oil, and other packaging applications. Our product range includes automatic and semi-automatic water bottle blow molding machines, along with complete supporting equipment such as preform heating systems, air compressors, chillers, and custom bottle molds. Designed for stable operation and high production efficiency, our machines produce consistent bottle quality while supporting a wide range of bottle sizes and capacities.
Whether you are expanding an existing production line or starting a new bottling project, we can provide equipment configurations tailored to your production capacity, bottle design, factory layout, and utility requirements. From equipment selection and mold customization to installation and technical support, our team delivers a complete solution to help you achieve reliable and cost-effective production. Contact us today to discuss your project and receive a customized water bottle blow molding machine solution and the latest quotation.
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