Blow Molding Machine
Your Professional Blow Molding Machine Supplier
Taizhou Rongya Machinery Equipment Co., Ltd. is a professional manufacturer of various types of fully automatic high-speed hollow blow molding equipment. Our machines are suitable for processing plastic hollow container parts made from a wide range of materials, including PE, PVC, PP, PC, PETG, PS, EVOH, PVDC, PAN, PA, PPE, PPO, ABS, POM, TPE, and TPU.
Why choose us
Sales Market
Our products are exported to Europe, Africa, South Africa, and Asia.
Quality & Performance
We provide products with better durability, efficiency, and functionality.
High-quality materials and advanced technology make our products more reliable.
Perfect Service
We offer excellent service throughout your production process. Our 24-hour professional support line is available to guide you through common process and equipment issues. If necessary, we will dispatch service engineers to provide on-site assistance—wherever you are.
Certifications
Our products have passed CE certification, ISO 9001 quality management system certification, design patents, and other international certifications.
Blow Molding Machine
Blow molding machines are specialized manufacturing devices that are used to produce a variety of hollow plastic products, including bottles, containers, and other similar items. The process of blow molding involves melting plastic resin pellets and then forcing the molten material into a mold cavity. Once inside the mold cavity, the plastic material is inflated using compressed air, which shapes it into the desired form of the product being produced.
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Basic information |
Max products |
1000L |
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Machine size |
Length*Width*Height 7*3*5.7m |
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Machine weight |
27T |
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Power consumption |
220KW |
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Evarage consumption |
160kw/h |
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Plasticing system |
Screw |
135 Alloy screw for increased durability |
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L/D |
28:1 (High-efficiency mixing head, improved plasticizing ability) |
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Plasticizing ability |
400KG/H |
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Screw heating section |
6 Section |
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Screw heating power |
5kw/section |
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Screw cooling |
Automatic 6 section |
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Extrusion motor |
132KW Frequency control of three-phase asynchronous motor |
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Motor brand |
DASU |
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Reduce box |
ZLYJ-375 |
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REDUCE BOX COOLING |
Oil cooler water cooling |
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Machine lifting |
4 Points turbine synchronous lift, hydraulic motor drive |
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Storage tank volume |
45L |
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Maximum storage capacity |
35Kgross weight) |
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Storage tank cooling |
Water cool |
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Open and close system |
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Fixed mold opening and closing mechanism, diagonal double lever horizontal bar center mold clamping, large mold space, mold is fixed by abrasive plate, easy to disassemble, linear rolling guide |
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Template size |
Net width*height 1700*1900mm |
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Max mould size |
Width*Height 1600*2000mm |
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Opening and closing distance |
Min-Max 700-1800(mm) |
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Template movement method |
Linear guide movement |
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Clamping force |
HIWIN |
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Linner guide |
1200KN |
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Open and close mold cylinder |
Supercharged oil cylinder with small diameter and high speed, which is 3 times the increase of ordinary oil cylinder |
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Safety electric eye |
Red ray inspection |
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Mould cooling |
12 In 8out , effective on cooling mould |
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Pump system |
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Controlled by our patented energy-saving hydraulic system, equipped with imported hydraulic valves, imported valves, with smooth and accurate action, factory life, good response |
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Total system pressure |
14MPA/140KG |
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Servo motor |
HaiTian servo motor 26kw |
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Servo motor driver |
HaiTian30kw |
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Serve motor power |
30kw |
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Hydraulic oil pump |
Sumitomo QT-120CC |
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Hydraulic solenoid valve |
Taiwan youyan |
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Oil pump form |
Screw pump |
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Hydraulic tubing |
4-Layer tubing can withstand 350KG / 35MPA |
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Electric control system |
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Using plc imported from Japan, the program is stable, the action is accurate, the function selection is comprehensive, and it is suitable for all finished product needs in the current market |
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PLC |
TAIWAN TAIDA |
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Expansion module 4DA |
TAIWAN TAIDA |
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Temperature control module |
Taiwan PID |
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Solid state voltage regulator |
Precise output, long life, no sparks |
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Touch screen |
Taiwan taida (SCREEN SIZE 11 Inches) |
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Frequency converter |
JITAIKE132kw |
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Contactor |
LG |
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Air switch |
Schneider, France |
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24V power supply |
Omron Japan |
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Electronic ruler for storage |
Gefran |
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Serve motor ruler |
Gefran |
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Wall thickness controller |
100 POINTS |
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Thickness servo valve |
Atos, Italy |
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Open and close electronic ruler |
Gefran italy |
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Air control system |
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Adopt Taiwan imported pneumatic original parts, precise adjustment and long service life |
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Pneumatic two-piece |
Taiwan Yadeke |
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Pneumatic pressure regulator |
Taiwan Yadeke |
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Pneumatic solenoid valve |
Taiwan Yadeke |
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Pneumatic throttle valve |
Taiwan Yadeke |
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Hydraulic |
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Adopt Taiwan imported pneumatic original parts, precise adjustment and long service life |
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Oil pump motor |
DASU |
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Oil pump motor power |
5.5KWQ |
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Oil pump name |
Hydraulic plunger pump |
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Oil pump brand |
Japan Yuken |
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Spare parts for free |
Mold platen M24 |
16Pcs |
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Temperature control components |
Thermocouple K 3pcs |
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Connector |
LG GMC40 3pcs |
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AIR SWITCH |
Schneider IC65N 2PCS |
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Fuse |
1Box |
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Connector |
LG GMC18 2pcs |
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Air valve |
1Pcs |
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Screw |
M24*110 12pcs |
Advantages of Blow Molding Machines
Blow molding machines are used to manufacture a wide range of plastic products, including bottles, containers, and other hollow objects. Here are some of the advantages of using blow molding machines:
Cost-effective: Blow molding machine are highly cost-effective for producing large quantities of plastic products. They are capable of producing products with a high degree of precision, consistency, and uniformity, which makes them ideal for high-volume production.
Versatile: Blow molding machine can be used to produce a wide range of plastic products of different shapes, sizes, and designs. The process can be adjusted to meet the specific requirements of different applications.
High-speed Production: Extrusion blow molding machine can produce plastic products at high speeds, which helps to meet the demands of a large market.
Energy-efficient: Modern blow molding machine are designed to be highly energy-efficient, reducing the amount of energy required to produce each product.
Low Wastage: Blow molding machine produce minimal wastage during the production process, making them a sustainable option for plastic product manufacturing.
Easy To Operate: Blow molding machine are relatively easy to operate, requiring minimal training to get started.
Consistent Quality: Blow moulding machine are capable of producing consistent quality products, ensuring that each product meets the required specifications.
Types of Blow Molding Machines
Blow molding machines can be classified into several types, depending on the specific requirements of the manufacturing process. These include extrusion blow molding, injection blow molding, and stretch blow molding machines.
Extrusion Blow Molding Machines
Extrusion blow molding machines are the most common type used in the industry. They work by melting plastic resin, usually high-density polyethylene (HDPE), and extruding it into a hollow tube called a parison. The parison is then captured within a mold, and compressed air is blown into it to expand and take the shape of the mold cavity. This technique allows for high production rates and is ideal for manufacturing large quantities of containers such as bottles, drums, and jerry cans.
Injection Blow Molding Machines
Injection blow molding machines are primarily used for producing small and intricate products, such as medical vials, inhalers, and cosmetics containers. This process begins by injecting molten plastic into a mold cavity, similar to injection molding. Once the plastic part is solidified, the mold opens, and the preform is transferred to a blow mold. Compressed air is then introduced to stretch and shape the plastic into the desired form.
Stretch Blow Molding Machines
Stretch blow molding machines are specifically designed for the production of PET bottles, commonly used in the beverage industry. The process begins by injecting molten PET into a preform mold. The preform is then transferred to a stretch blow mold, where it is reheated and stretched in both length and diameter using a core rod. Finally, compressed air is blown into the stretched preform to shape it into the final bottle form. This type of blow molding machine offers excellent clarity and durability for PET bottles.
Applications of Blow Moulding Machines
Blow moulding machines have a wide range of applications across various industries:
Packaging Industry: They are extensively used to produce plastic bottles, containers, and packaging solutions for food, beverages, cosmetics, and pharmaceuticals.
Automotive Industry: Blow moulding machines are employed for manufacturing automotive components such as fuel tanks, air ducts, bumpers, and dashboards.
Toys and Recreation: The production of toys, sports equipment, and recreational items heavily relies on blow moulding machines.
Industrial Applications: Blow moulding is also employed in the production of industrial storage tanks, drums, and other large-scale plastic products.
The principle of blow moulding machines revolves around extruding plastic, shaping it in a mould, and creating hollow plastic objects. This versatile manufacturing process caters to a wide range of industries, producing products that are essential in our everyday lives.
As technology advances, blow moulding machines continue to evolve, offering higher efficiency, improved precision, and reduced environmental impact, thus contributing to sustainable plastic production.
Working Principle of Blow Moulding Machine
Blow moulding is a manufacturing process used to produce hollow plastic parts by inflating a heated plastic tube inside a mold until it forms to the shape of the mold. There are several different types of blow molding, including extrusion blow molding, injection blow molding, and stretch blow molding. Here is a general overview of the process for each type:
Extrusion blow moulding
Plastic resin is melted and extruded into a continuous tube (called a parison).
The parison is clamped into a mold and air is blown into it, causing the parison to expand and take the shape of the mold.
Once the plastic has cooled and solidified, the mold is opened and the part is ejected.
Injection blow moulding
Plastic resin is melted and injected into a mold to form a preform.
The preform is transferred to a blow moulding machine and heated until it is soft.
Air is blown into the preform, causing it to expand and take the shape of the mold.
Once the plastic has cooled and solidified, the mold is opened and the part is ejected.
Stretch blow moulding
A preform is injection molded and then transferred to a blow molding machine.
The preform is heated and stretched using a rod or plunger before being blown into the mold.
Once the plastic has cooled and solidified, the mold is opened and the part is ejected.
The Blow Molding Process
The extrusion blow molding process produces plastic bottles of various sizes and shapes. Millions of people use these bottles daily for soda, water, cleaning products, food, and more. With this process, low-pressure air of around 25 to 150 psi is forced into a preform.
An automated process
Modern blow molding is a largely automated process, allowing for the production of thousands of parts in a short time period. The process includes the following steps :
The first step is the injection of mold preforms. This process is the preparation of the preform to be inflated. This is done by injection into a preform mold. The functions of the injection unit are to melt plastic by heat and then to inject molten plastic into a mold.
Preforms are then cooled to below the crystallizing temperature of PET (short for polyethylene terephthalate).
After that the preform is re-heated by infra red heating lamps : in fact, Infra red heating by halogen heating lamps allows precise and consistent control of wall thickness, heating lamps are fully adjustable for position and power setting. Why is this step very important ?
When hot-filling sensitive beverages like juices, nectars, soft drinks …, in order for them to be filled safely, the bottles are heated to a temperature between 80° and 95°C. To withstand those temperatures, PET bottles are produced via a heat-resistant. The process is based on higher preform reheating capability and blowing bottles in hot moulds, usually at temperatures above 120°C.
Preform temperature stabilization
Then the stretch blow molding process can start. This step is where the plastic takes its form. The preform is clamped into a mold and air is blown into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected.
Containers are ejected from the lip cavity, having been precisely held since the injection of the preform. Necks are precisely oriented throughout the molding process and are protected from scuffing or damage.
The Importance of Blow Molding Machines in Manufacturing
Blow molding machines are an essential component in the manufacturing industry, particularly in the production of plastic products. The process of blow molding involves the melting of plastic and then shaping it into a hollow form through the use of air pressure. This process is crucial in the production of a wide range of products, from bottles and containers to automotive components and industrial parts. In this article, we will explore the importance of blow molding machines in manufacturing and how they have revolutionized the production of plastic products.
One of the key reasons why blow molding machines are important in manufacturing is their versatility. These machines can produce a wide variety of products in different shapes and sizes, making them highly adaptable to the needs of various industries. Whether it's a small plastic bottle or a large automotive component, blow molding machines can be adjusted to meet the specific requirements of the product being produced. This versatility makes blow molding an incredibly efficient and cost-effective manufacturing process.
Additionally, blow molding machines are capable of producing products with consistent quality and precision. The process ensures that the plastic material is evenly distributed and formed into the desired shape, resulting in products that are free from defects and inconsistencies. This level of precision is crucial for industries that require high-quality and durable plastic products, such as the food and beverage industry, where the integrity of the packaging is critical to the safety and freshness of the products.
Moreover, blow molding machines are capable of high production output, making them ideal for mass production. The automated nature of these machines allows for continuous and rapid production, significantly reducing production times and costs. This is especially beneficial for industries with high demand for plastic products, such as the packaging and consumer goods industries. The ability to produce large quantities of products in a short amount of time gives manufacturers a competitive edge in the market.
In addition to their efficiency and versatility, blow molding machines also contribute to sustainability in manufacturing. The process of blow molding often utilizes recyclable materials, making it an environmentally-friendly alternative to traditional manufacturing methods. By using recycled plastics, manufacturers can reduce their reliance on virgin materials and minimize the environmental impact of their production processes. This aligns with the growing demand for sustainable and eco-friendly products in today's market, making blow molding machines an important tool for meeting these consumer needs.
It's clear that blow molding machines play a crucial role in the manufacturing industry. Their versatility, precision, high production output, and sustainability make them an indispensable tool for producing a wide range of plastic products. As technology continues to advance, the capabilities of blow molding machines are only expected to improve, further enhancing their importance in the manufacturing sector. Whether it's for the production of bottles, containers, automotive components, or industrial parts, blow molding machines are a key component in the manufacturing process and will continue to shape the future of plastic production.
FAQ