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The fully automatic bottle blowing machine is an intelligent plastic container forming equipment supporting integrated continuous operation via either two-step or one-step process. It is designed for automatic forming of preforms made of PET, PP, PC and other materials.
Integrating full processes including automatic preform feeding, precise heating, automatic mold clamping, stretch blow molding, cooling shaping and automatic bottle ejection, the machine operates with zero manual intervention throughout the workflow. Equipped with intelligent temperature control and PLC control system, it delivers stable operation, high throughput and outstanding consistency of finished products.
It mass-produces hollow plastic products such as mineral water bottles, beverage bottles, edible oil jerrycans, daily chemical bottles and pharmaceutical packaging bottles. Widely deployed on large and medium-scale mass production lines for beverage, daily chemical, chemical and pharmaceutical industries, it features low energy consumption and high automation level, perfectly suited for long-hour continuous industrial production.
The fully automatic bottle blowing machine operates based on the stretch blow molding principle for thermoplastics.
Injection-molded preforms are conveyed into the heating tunnel by an automatic feeding mechanism. A multi-zone infrared heating system realizes precise temperature regulation to uniformly soften the entire preform to the optimal forming temperature. Afterwards, a mechanical gripper automatically transfers the preform to the molding mold station, followed by automatic mold closing and locking.
The stretching unit descends synchronously to stretch the preform, while high-pressure compressed air inflates the softened preform instantly to make it closely fit the mold cavity. After rapid circulating water cooling inside the mold for shaping, the mold opens automatically, and finished bottles are ejected by the demolding unit or delivery conveyor, accomplishing fully automatic cyclic production.
Consists of preform silo, preform unscrambler, conveying tracks and automatic feeding manipulators. It sorts and delivers preforms in fixed orientation automatically. Manual contact is eliminated entirely, improving production sanitation and efficiency.
Multi-section independently controlled infrared heating oven is adopted, with precise temperature adjustment in upper/lower and circumferential zones. Equipped with hot air circulation and heat insulation structure, it ensures even and stable heating of preforms, avoiding defects such as whitening, uneven thin walls and scorching, compatible with preforms of different materials and specifications.
Built with a high-strength precision mold clamping frame driven by hydraulic or servo systems, featuring sufficient clamping force, stable movement and accurate mold opening & closing. Molds can be disassembled and assembled conveniently for quick switchover between bottles of different volumes. Circulating cooling water channels are embedded inside molds for fast shaping.
Servo stretching unit accurately controls stretching speed and stroke. The high-pressure air circuit adopts pressure stabilization design with segmented low-pressure pre-blowing and high-pressure forming blowing, ensuring uniform bottle wall thickness, full bottle shape and qualified pressure resistance.
Composed of PLC programmable controller and touch screen operation panel. Operators can set parameters including temperature, time, pressure and rotating speed with one click. It supports real-time operation status monitoring, fault alarming and output statistics, as well as parameter saving and one-click recall, bringing easy operation and convenient production management.
Fitted with automatic demolding grippers and finished product conveyors. Formed bottles are automatically separated from molds and sent to downstream processes, capable of seamless inline connection with filling, capping and other post-processing equipment for full-line linkage.
Including high-pressure air compressor, refrigerated air dryer, cooling water circulation system and safety protection devices. It integrates overload protection, safety door interlock, emergency stop and other functions to guarantee safe and stable equipment operation.
Automatic preform sorting & feeding → Continuous uniform infrared heating → Automatic preform transfer by manipulator → Automatic mold closing → Servo stretching → Segmented high-pressure blowing & forming → Mold water cooling & shaping → Automatic mold opening → Fully automatic bottle ejection & conveying → Cyclic continuous production
Unattended running throughout the whole process from preform to finished bottle, drastically cutting labor costs and eliminating human-induced contamination.
Multi-cavity mold design delivers fast production speed for mass continuous manufacturing, with overall production capacity far exceeding semi-automatic models.
Intelligent temperature control plus precise stretching and blowing control realize even bottle wall thickness, smooth appearance, consistent sealing performance and compressive strength, with an extremely low reject rate.
Touch screen operation, parameter memory, automatic fault diagnosis and real-time data monitoring facilitate production management and equipment commissioning.
Optimized heating energy consumption design and servo drive reduce power usage. The robust integral structure features low failure rate and long service life.
Compatible with various PET/PP plastic bottles ranging from 50 ml to 20 L. Simple mold replacement meets multi-variety production requirements.
Widely used in purified water, carbonated drinks, fruit juice, tea beverages, edible oil, condiments, daily care products, disinfectants, pesticide chemicals, medical packaging, food packaging and other industries. Serving as core forming equipment for large and medium packaging manufacturers, it can be linked with fillers, labeling machines and case packers to build a complete integrated packaging production line.
