How to choose the right tube filling and sealing machine

1. The meaning of tube filling and sealing machine

Tube filling and sealing machine is a machine used for filling and sealing. It is mainly used to fill and seal materials from the tail of the hose. It is suitable for the packaging of liquid and cream materials. It has the characteristics of high precision and high efficiency, and is suitable for the fields of medicine, daily chemicals, food, and chemicals. These tube filling and sealing machines have high precision and repeatability, making important contributions to the productivity and quality standards of the manufacturing industry.

2. Classification of tube filling and sealing machines

Tube filling and sealing machines are classified according to their main functions:

Hose filling and sealing machine: mainly used to fill and seal materials from the tail of the hose, suitable for packaging liquids and creams.

Aluminum tube filling and sealing machine: a packaging machine, mainly used for aluminum tubes as packaging container materials.

Ultrasonic sealing machine: It is an advanced equipment for sealing plastic hoses. It uses ultrasonic waves to generate high heat at the sealing part of the plastic hose through the action of the transducer and quickly melt it until it is bonded.

Suitable for product packaging in the fields of medicine, daily chemicals, food, and chemicals. Such as: filling and sealing of materials such as dermatitis cream, ointment, hair dye, toothpaste, shoe polish, adhesive, AB glue, epoxy glue, and chloroprene rubber. It is an ideal, practical, and economical filling equipment for industries such as medicine, daily chemicals, and fine chemicals.

3. Materials of filling and sealing machines

Hose filling and sealing machine

Body structure material: Usually high-quality stainless steel, such as 304 stainless steel, is used. It has the characteristics of strong corrosion resistance, durability, and easy cleaning. It can adapt to various working environments and ensure the long-term and stable operation of the machine.

Filling system materials: Material cylinder: Generally, stainless steel or food-grade plastic is used. Stainless steel is wear-resistant and corrosion-resistant, and can ensure the purity of the material; food-grade plastic has good chemical stability and hygiene, and is often used to fill food, cosmetics, and other materials with high hygiene requirements.

Filling pump: Choose different materials according to the characteristics of the material. For example, the pump tube of the peristaltic pump is usually made of elastic materials such as silicone rubber, which has good flexibility and chemical resistance, and can accurately control the filling volume of the material; the plunger and pump barrel of the plunger pump are mostly made of stainless steel or ceramic materials, which are wear-resistant and corrosion-resistant, and can achieve high-precision filling.

Sealing system materials:

1. Heating element: Resistance wires such as nickel-chromium alloys are commonly used as heating materials, which can quickly generate heat to make the tail of the hose hot-melt seal, and have the advantages of high heating efficiency and precise temperature control.
2. Sealing mold: Generally made of copper alloy or aluminum alloy, with good thermal conductivity, can quickly transfer heat to the hose, so that the sealing effect is better, and at the same time has certain wear resistance and corrosion resistance.

Aluminum tube filling and sealing machine

Body structure material: Similar to the hose filling and sealing machine, it is mostly made of stainless steel, such as 316L stainless steel, which has higher corrosion resistance and is suitable for some occasions with extremely high requirements for hygiene and corrosion resistance, such as the pharmaceutical industry.

Filling system materials:

1.  Cylinder: usually made of stainless steel, the inner wall is finely polished to prevent material residue and bacterial growth, ensuring the quality and stability of the material.
2. Filling valve: mostly made of stainless steel or hard alloy, with good wear resistance and corrosion resistance, can accurately control the filling volume of aluminum tubes, and meet the filling requirements of different products.

Sealing system materials:

• Sealing clamp: generally made of high-strength alloy steel, after a special heat treatment process, with sufficient hardness and toughness, can firmly clamp the tail of the aluminum tube during the sealing process to achieve a tight seal.
• Sealing rubber ring: usually made of high-temperature and chemical corrosion-resistant materials such as fluororubber, which can maintain good elasticity and sealing in high temperature environments, ensuring that there is no leakage at the aluminum tube sealing.

Ultrasonic sealing machine

Body structure materials: mainly composed of stainless steel and aluminum alloy. Stainless steel is used for the body shell and key supporting components to ensure the stability and durability of the machine; aluminum alloy is used for some non-load-bearing components that require good heat dissipation performance, such as the shell of the ultrasonic generator, which helps to quickly dissipate heat and improve the reliability of the equipment.

Ultrasonic generating system materials:

1. Transducer: usually made of piezoelectric ceramic material, which can convert electrical energy into high-frequency mechanical vibration, with high conversion efficiency and stable performance.
2.  Amplifier: generally made of titanium alloy or aluminum alloy, with good acoustic and mechanical properties, can amplify the vibration generated by the transducer and transmit it to the sealing mold.

Sealing system materials:

• Sealing mold: mostly made of titanium alloy or cemented carbide, with high strength, high hardness and good wear resistance, can generate friction heat with the tail of the aluminum tube or other materials under the action of ultrasonic vibration, to achieve fast and efficient sealing.
• Support components: made of stainless steel or engineering plastics, used to fix and support the sealing mold to ensure the position accuracy and stability of the mold during the sealing process.

When purchasing a tube filling and sealing machine, there are several key factors that affect the decision-making process:

• Precision and accuracy: ensure strict tolerances and consistent quality.
• Reliability and maintenance: evaluate downtime risks and maintenance requirements.
• Cost-effectiveness: balance initial investment with long-term operating costs.

lIntegration and support: compatibility with existing systems and availability of technical support.

Carefully evaluating these factors ensures that the CNC machine meets operational needs, thereby maximizing productivity and return on investment.

There are several factors to consider when purchasing a hose filling and sealing machine, an aluminum tube filling and sealing machine, or an ultrasonic sealing machine. The following are the specifics:

Production capacity

• Filling speed: According to the production scale and order volume of the enterprise, select a model that can meet production needs. For example, a daily chemical product manufacturer with a large daily output needs to select equipment with a fast filling speed to improve production efficiency.
• Sealing efficiency: It should match the filling speed to ensure that the entire filling and sealing process is smooth and avoid bottlenecks.
• Filling accuracy
• Dosage accuracy: For products such as medicines and cosmetics that have strict dosage requirements, it is necessary to select equipment with high filling accuracy, such as models with an accuracy of less than ±1%, to ensure the stability of product quality.
• Consistency: The equipment should be able to maintain stable filling accuracy during long-term operation to reduce product quality fluctuations.

4. Applicable materials and products

• Hose material compatibility: The hose filling and sealing machine must be able to adapt to hoses of different materials, such as plastic hoses, composite hoses, etc. The aluminum tube filling and sealing machine must be designed according to the characteristics of the aluminum tube to ensure that the sealing is firm.
• Product characteristic adaptability: Consider the viscosity, fluidity, corrosiveness and other characteristics of the product. For example, if the viscosity of sauce products is high, it is necessary to select equipment with corresponding conveying and filling systems; for corrosive products, the contact parts of the equipment should be made of corrosion-resistant materials.

Sealing quality

• Sealing: There should be no leakage or cracks at the sealing to ensure that the product remains intact during storage and transportation. For products such as food and medicine, good sealing can prevent deterioration and contamination.
• Appearance quality: The appearance of the sealing should be flat and beautiful, meeting the product packaging requirements. This is especially important for products that focus on appearance, such as cosmetics.

Degree of automation

• Easy operation: The equipment should have a simple and easy-to-understand operating interface to facilitate operators to set parameters, debug and perform daily maintenance. If touch screen control is used, the convenience and intuitiveness of operation can be improved.
• Automation function: It has functions such as automatic feeding, filling, sealing, counting, etc., which can reduce manual intervention, improve production efficiency and consistency of product quality. Some high-end equipment may also have automatic fault detection and alarm functions to facilitate timely troubleshooting.

Equipment stability

• Mechanical structure: The use of high-quality materials and sturdy mechanical structure ensures that the equipment is stable and reliable during long-term operation and reduces the probability of failure.
• Electrical system: Equipped with stable electrical components and control systems, it can adapt to different working environments and voltage fluctuations to ensure the normal operation of the equipment.

Hygiene requirements

• Material hygiene: Parts in contact with the product should be made of food-grade, pharmaceutical-grade and other materials that meet hygiene standards, such as 316L stainless steel, non-toxic plastics, etc., to prevent product contamination.
• Cleaning convenience: The structure of the equipment should be easy to disassemble and clean to avoid material residue and bacterial growth. For example, a quick-disassembly structure and an easy-to-clean surface treatment process should be used.

After-sales service

• Technical support: The supplier should be able to provide timely and professional technical support, including equipment installation and commissioning, operation training, fault repair, etc.
• Accessories supply: ensure sufficient supply of equipment accessories, shorten maintenance time, and reduce the impact of equipment downtime on production.

Price and cost

• Purchase price: Under the premise of meeting production needs and quality requirements, compare the prices of equipment of different brands and models, and choose products with high cost performance.
• Operating cost: Consider the energy consumption of the equipment, the cost of replacing wearing parts, the cost of repair and maintenance, etc., and comprehensively evaluate the long-term operating cost.