Application of pneumatic technology in packaging machinery
2020-07-01 04:11:07
Packaging machinery refers to machinery that can complete all or part of the product and product packaging process. The packaging process includes major processes such as filling, wrapping, and sealing, as well as related pre- and post-processes such as cleaning, stacking, and disassembly. In addition, the package also includes processes such as metering or stamping on the package. The use of mechanical packaging products can increase productivity, reduce labor intensity, meet the needs of large-scale production, and meet the requirements of sanitation. Mechanization and automation of packaging production can greatly improve labor productivity, improve the quality of packaging products, improve working conditions, reduce labor intensity, reduce floor space, and reduce packaging product costs.
Packaging machines can be divided into the following categories according to their functions: filling machinery, filling machinery, wrapping machinery, sealing machinery, labeling machinery, cleaning machinery, drying machinery, sterilization machinery, strapping machinery, container machinery and multi-function packaging machinery. Wait.
Pneumatic technology is an important technical means of industrial automation. It is a low-cost automation technology and is called "cheap automation technology." In modern equipment and automatic lines, almost all have pneumatic systems. According to statistics: 50% of automated processes, 22-29% of robots are equipped with pneumatic systems; 90% of packaging machinery, 70% of casting, welding equipment, 30% of mining machinery, 20% of textile equipment Pneumatic systems and components.
The use of pneumatic technology in packaging machinery has the following advantages.
(l) Pneumatic devices are simple, lightweight, easy to install and maintain, and pneumatic systems always have advantages in many applications where linear actuators are used. Pneumatic actuators are primarily used to complete the selection, collection, loading, clamping and unloading of packaging containers, packaged products and entire packaging. When designing and manufacturing complex packaging machines, especially when assembling several independent equipment into packaging lines, the pneumatic system can greatly simplify the whole mechanism. Pneumatic actuators and pneumatic control systems lay the foundation for the entire packaging automation operation. In addition, the pneumatic pressure level is low and safe to use.
(2) The working medium is air, and the exhaust treatment is simple and does not pollute the environment. In food and beverage packaging, pneumatic devices are used as a clean power source in all aspects of production, often using vacuum chucks to facilitate the grasping of the workpiece.
(3) The adjustment of output force and working speed is very easy. The cylinder speed is generally 50 to 500 rn/s, which is faster than the hydraulic and electrical modes. In the packaging process, multiple motion coordination is often required. For example, in the labeling process of the labeling machine, the movement linear velocity requirements of the label and the paper cassette are basically the same. The pneumatic components are used to adjust the movement speed of each actuator by adjusting the throttle valve. Meet the requirements.
(4) High reliability and long service life. The number of effective actions of electrical components is about several million times, while the life of some manufacturers' general solenoid valves is more than 300 million times, and the number of small valves exceeds 100 million times.
(5) Full pneumatic control has the ability of fireproof, explosion-proof and moisture-resistant. Pneumatically available in high temperature applications compared to hydraulics. For example, pneumatic technology is widely used in packaging and metering filling equipment for some flammable and explosive products such as grease.
(6) The energy can be released in a short time to obtain high-speed response in intermittent motion, which can achieve buffering and strong adaptability to impact load and overload. Under certain conditions, the pneumatic device can be self-retaining. Therefore, it has a certain flexibility in the execution of the action, so as not to damage the packaged articles, and the pneumatic clamp is also widely used in the automatic packaging line.
(7) Pneumatic technology, as a low-cost automation technology applied to packaging machinery, can change many manual operations into automated operations, improve the productivity of packaging machines, reduce product costs, and improve packaging quality. Due to the various advantages of pneumatic technology in packaging machinery, pneumatic technology has been widely used in packaging machinery, and the scope of application is expanding.
On the one hand, pneumatic technology is now used in many industries such as fertilizer, chemical, food, medicine, etc. to realize automatic metering and packaging of powdery and granular materials. In food packaging with high hygiene requirements, pneumatic devices are also used in production. In many processes, such as automatic cigarettes and automatic packaging in the tobacco industry, pneumatics are also used in the automatic metering filling of viscous liquids (such as paints, inks, cosmetics, toothpaste, etc.) and toxic gases (such as gas). technology.
On the other hand, the application of pneumatic technology is diverse. Such as the forming and installation of the folding box, the packaging and folding of the paper and the sheet or film, the cutting of the packaging material from the drum, the pressing of the packaged article, and the sealing of the plastic film. On the packaging line, the pneumatic manipulator replaces the manual hand to complete the packaging material loading, box molding, object pushing (putting) into the box and sealing and packing work.
In order to keep the working medium in the entire production process and equipment completely consistent, pneumatic sensors have been widely used in the packaging industry to complete monitoring and inspection functions during product feeding, and to detect the presence or absence of packaged products. This is also an important aspect of the application of pneumatic technology in the packaging industry.
With the development of science and technology and the needs of industry, the performance of pneumatic components itself is continuously improved. Pneumatic technology is developing in the direction of high speed, high precision, high output force and high life, and at the same time develop electromechanical integration and integrated components and systems. It is an important direction for the development of pneumatic technology in the future, which will make the application of pneumatic technology in packaging machinery deeper, thus further improving the design and manufacture of packaging machinery in China.
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Packaging machines can be divided into the following categories according to their functions: filling machinery, filling machinery, wrapping machinery, sealing machinery, labeling machinery, cleaning machinery, drying machinery, sterilization machinery, strapping machinery, container machinery and multi-function packaging machinery. Wait.
Pneumatic technology is an important technical means of industrial automation. It is a low-cost automation technology and is called "cheap automation technology." In modern equipment and automatic lines, almost all have pneumatic systems. According to statistics: 50% of automated processes, 22-29% of robots are equipped with pneumatic systems; 90% of packaging machinery, 70% of casting, welding equipment, 30% of mining machinery, 20% of textile equipment Pneumatic systems and components.
The use of pneumatic technology in packaging machinery has the following advantages.
(l) Pneumatic devices are simple, lightweight, easy to install and maintain, and pneumatic systems always have advantages in many applications where linear actuators are used. Pneumatic actuators are primarily used to complete the selection, collection, loading, clamping and unloading of packaging containers, packaged products and entire packaging. When designing and manufacturing complex packaging machines, especially when assembling several independent equipment into packaging lines, the pneumatic system can greatly simplify the whole mechanism. Pneumatic actuators and pneumatic control systems lay the foundation for the entire packaging automation operation. In addition, the pneumatic pressure level is low and safe to use.
(2) The working medium is air, and the exhaust treatment is simple and does not pollute the environment. In food and beverage packaging, pneumatic devices are used as a clean power source in all aspects of production, often using vacuum chucks to facilitate the grasping of the workpiece.
(3) The adjustment of output force and working speed is very easy. The cylinder speed is generally 50 to 500 rn/s, which is faster than the hydraulic and electrical modes. In the packaging process, multiple motion coordination is often required. For example, in the labeling process of the labeling machine, the movement linear velocity requirements of the label and the paper cassette are basically the same. The pneumatic components are used to adjust the movement speed of each actuator by adjusting the throttle valve. Meet the requirements.
(4) High reliability and long service life. The number of effective actions of electrical components is about several million times, while the life of some manufacturers' general solenoid valves is more than 300 million times, and the number of small valves exceeds 100 million times.
(5) Full pneumatic control has the ability of fireproof, explosion-proof and moisture-resistant. Pneumatically available in high temperature applications compared to hydraulics. For example, pneumatic technology is widely used in packaging and metering filling equipment for some flammable and explosive products such as grease.
(6) The energy can be released in a short time to obtain high-speed response in intermittent motion, which can achieve buffering and strong adaptability to impact load and overload. Under certain conditions, the pneumatic device can be self-retaining. Therefore, it has a certain flexibility in the execution of the action, so as not to damage the packaged articles, and the pneumatic clamp is also widely used in the automatic packaging line.
(7) Pneumatic technology, as a low-cost automation technology applied to packaging machinery, can change many manual operations into automated operations, improve the productivity of packaging machines, reduce product costs, and improve packaging quality. Due to the various advantages of pneumatic technology in packaging machinery, pneumatic technology has been widely used in packaging machinery, and the scope of application is expanding.
On the one hand, pneumatic technology is now used in many industries such as fertilizer, chemical, food, medicine, etc. to realize automatic metering and packaging of powdery and granular materials. In food packaging with high hygiene requirements, pneumatic devices are also used in production. In many processes, such as automatic cigarettes and automatic packaging in the tobacco industry, pneumatics are also used in the automatic metering filling of viscous liquids (such as paints, inks, cosmetics, toothpaste, etc.) and toxic gases (such as gas). technology.
On the other hand, the application of pneumatic technology is diverse. Such as the forming and installation of the folding box, the packaging and folding of the paper and the sheet or film, the cutting of the packaging material from the drum, the pressing of the packaged article, and the sealing of the plastic film. On the packaging line, the pneumatic manipulator replaces the manual hand to complete the packaging material loading, box molding, object pushing (putting) into the box and sealing and packing work.
In order to keep the working medium in the entire production process and equipment completely consistent, pneumatic sensors have been widely used in the packaging industry to complete monitoring and inspection functions during product feeding, and to detect the presence or absence of packaged products. This is also an important aspect of the application of pneumatic technology in the packaging industry.
With the development of science and technology and the needs of industry, the performance of pneumatic components itself is continuously improved. Pneumatic technology is developing in the direction of high speed, high precision, high output force and high life, and at the same time develop electromechanical integration and integrated components and systems. It is an important direction for the development of pneumatic technology in the future, which will make the application of pneumatic technology in packaging machinery deeper, thus further improving the design and manufacture of packaging machinery in China.
This article by / edit
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