Cardboard drum packaging is a common product packaging form. It is made of multi-layer cardboard as a barrel body, a five-layer board as a bottom of a barrel or a barrel lid, and the steel belt is used to bind the upper and lower bands tightly and is processed on a special paper barrel forming machine. The raw materials used are large. Most of them are paper fibers and wood fibers, so they are easy to recycle and reuse. They can be burned without generating any gas. The whole process of the production process does not generate pollution, and it can be called green packaging.
Compared with plastic textile bags and paper-plastic bags, cardboard drums are characterized by high strength, flexibility, and no environmental pollution. Compared with steel drums, they have anti-static properties, light weight, easy recycling, short processing cycles, and low manufacturing cost. Characteristics have been generally welcomed and applications have become more widespread. Following the United States, Canada, the United Kingdom, and other countries proposed that the wood packaging of China's export goods must be handled. Otherwise, the entry of goods will be prohibited. As a result, the export of wood packaging products has been extremely limited. Due to the similar performance of cardboard drums and wooden boxes, wood packaging can be replaced to a certain extent. Therefore, cardboard drum packaging is a worthy of promotion of export product packaging methods, including chemical, pharmaceutical, food, indigenous products, hardware, minerals, and building materials. , Electromechanical and other industries export products manufacturers favor, I believe that in the future more and more companies will use cardboard drum packaging.
In order to make cardboard drums play their due role and improve the quality of cardboard drums, relevant companies should pay attention to the following factors that affect the quality of cardboard drums:
1, the upper (lower) tight hoop junction bad welding directly affect the strength of the cardboard drum in order to increase the strength of the drum, in the upper part of the bucket, the lower mouth with upper and lower clamps, bucket barrel collar called tight The hoop, the lower barrel hoop is called the lower hoop. The main functions of the upper and lower tight clamps are as follows: the strength of the bucket is ensured, and the roundness at the barrel mouth and the barrel body is maintained; and the obturator is reinforced, so that the barrel cover and the barrel mouth can be well positioned to maintain good interchangeability; The barrel and plywood become a solid whole. The material used to make the tight hoop is steel strip. The strip is cut to the specified length. After the spot welding and welding at the intersection, it is pressed into one piece with the mouth of the barrel to form a tight joint. If the current is too large during welding, it will break through the welding part. When the current is too low, it is caused by cold welding. In either of the above cases, the tight hoop will be in name only, so that the barrel body is separated from the bottom of the barrel or the lid of the barrel. If the bottom of the barrel is disconnected from the junction of the five-plywood, if the content is easy Dangerous goods such as flammables, explosives and toxic substances can also cause more serious accidents.
2. The effect of carton forming process on the quality of the carton The connection between the carton and the bottom of the carton during the carton production process is mainly based on the back cover process, so the accuracy and precision of the back cover device and the operation quality of the back cover process will affect the paper. The overall quality of the barrel. Therefore, whether the shape of the circular arc of the barrel hoop groove and the predetermined size is reasonable or not has a great influence on the quality of the drum. The barrel hoop groove is too deep and the arc curvature is small, and it is easy to break the barrel during the molding process; the barrel hoop groove is too shallow and the arc curvature is too large, which directly affects the connection between the barrel bottom and the barrel body, and the iron plate is rolled up to the barrel. The relatively small amount of body, resulting in the combination of cardboard and plywood is not strong. Therefore, the molding process should always check the size of the parts of the back cover mold bending, the workers should be strictly in accordance with the rules of operation, to prevent the deviation caused by the resulting combination of the bottom of the paper drum loose, thereby affecting the barrel bottom and the barrel of the anastomosis.
When designing the circular arc dimensions of the upper and lower hoop of the barrel, the designer needs to consider various factors such as the strength of the selected board, the thickness of the pentahedron, and the performance of the equipment used.
3. The influence of the quality of original and auxiliary materials on the quality of cardboard drums The raw materials used in barrels include: kraft paper, plywood, strip steel, and adhesives. What is currently worrying is that most of the competition among cardboard barrel manufacturers is limited to price competition, and there is little competition for quality. Firms have to make a fuss about the need for customers to cut corners and replace materials with low-weight paper instead of high-heavy papers; uneven pentagonal materials, lack of materials, faults, etc. occur; the adhesive strength between layers and layers is low. , Even from the; blanking size tolerances hold hold; poor adhesive quality. The physical properties of products produced in this way must be unqualified.
In addition, due to the relatively small scale of cardboard drum manufacturing companies, efforts must be made to strengthen factory management, and in particular to control the entire production process. Specifically, it is necessary to establish each process from the raw materials into the plant and the production process, a second-generation health, technology, and quality management system, and strengthen the mutual inspection and supervision between the processes; take measures to ensure the accuracy of the production equipment and Accuracy, and regular check; do a good job of product quality checks, especially the identification of the first product. The export of dangerous goods cardboard drum packaging production plants shall strictly comply with the requirements of the management measures for the export of dangerous goods packaging quality licenses and standardize the production, technology and quality management of the factory in order to improve the quality of cardboard drum packaging. (Zhang Yumei)
Compared with plastic textile bags and paper-plastic bags, cardboard drums are characterized by high strength, flexibility, and no environmental pollution. Compared with steel drums, they have anti-static properties, light weight, easy recycling, short processing cycles, and low manufacturing cost. Characteristics have been generally welcomed and applications have become more widespread. Following the United States, Canada, the United Kingdom, and other countries proposed that the wood packaging of China's export goods must be handled. Otherwise, the entry of goods will be prohibited. As a result, the export of wood packaging products has been extremely limited. Due to the similar performance of cardboard drums and wooden boxes, wood packaging can be replaced to a certain extent. Therefore, cardboard drum packaging is a worthy of promotion of export product packaging methods, including chemical, pharmaceutical, food, indigenous products, hardware, minerals, and building materials. , Electromechanical and other industries export products manufacturers favor, I believe that in the future more and more companies will use cardboard drum packaging.
In order to make cardboard drums play their due role and improve the quality of cardboard drums, relevant companies should pay attention to the following factors that affect the quality of cardboard drums:
1, the upper (lower) tight hoop junction bad welding directly affect the strength of the cardboard drum in order to increase the strength of the drum, in the upper part of the bucket, the lower mouth with upper and lower clamps, bucket barrel collar called tight The hoop, the lower barrel hoop is called the lower hoop. The main functions of the upper and lower tight clamps are as follows: the strength of the bucket is ensured, and the roundness at the barrel mouth and the barrel body is maintained; and the obturator is reinforced, so that the barrel cover and the barrel mouth can be well positioned to maintain good interchangeability; The barrel and plywood become a solid whole. The material used to make the tight hoop is steel strip. The strip is cut to the specified length. After the spot welding and welding at the intersection, it is pressed into one piece with the mouth of the barrel to form a tight joint. If the current is too large during welding, it will break through the welding part. When the current is too low, it is caused by cold welding. In either of the above cases, the tight hoop will be in name only, so that the barrel body is separated from the bottom of the barrel or the lid of the barrel. If the bottom of the barrel is disconnected from the junction of the five-plywood, if the content is easy Dangerous goods such as flammables, explosives and toxic substances can also cause more serious accidents.
2. The effect of carton forming process on the quality of the carton The connection between the carton and the bottom of the carton during the carton production process is mainly based on the back cover process, so the accuracy and precision of the back cover device and the operation quality of the back cover process will affect the paper. The overall quality of the barrel. Therefore, whether the shape of the circular arc of the barrel hoop groove and the predetermined size is reasonable or not has a great influence on the quality of the drum. The barrel hoop groove is too deep and the arc curvature is small, and it is easy to break the barrel during the molding process; the barrel hoop groove is too shallow and the arc curvature is too large, which directly affects the connection between the barrel bottom and the barrel body, and the iron plate is rolled up to the barrel. The relatively small amount of body, resulting in the combination of cardboard and plywood is not strong. Therefore, the molding process should always check the size of the parts of the back cover mold bending, the workers should be strictly in accordance with the rules of operation, to prevent the deviation caused by the resulting combination of the bottom of the paper drum loose, thereby affecting the barrel bottom and the barrel of the anastomosis.
When designing the circular arc dimensions of the upper and lower hoop of the barrel, the designer needs to consider various factors such as the strength of the selected board, the thickness of the pentahedron, and the performance of the equipment used.
3. The influence of the quality of original and auxiliary materials on the quality of cardboard drums The raw materials used in barrels include: kraft paper, plywood, strip steel, and adhesives. What is currently worrying is that most of the competition among cardboard barrel manufacturers is limited to price competition, and there is little competition for quality. Firms have to make a fuss about the need for customers to cut corners and replace materials with low-weight paper instead of high-heavy papers; uneven pentagonal materials, lack of materials, faults, etc. occur; the adhesive strength between layers and layers is low. , Even from the; blanking size tolerances hold hold; poor adhesive quality. The physical properties of products produced in this way must be unqualified.
In addition, due to the relatively small scale of cardboard drum manufacturing companies, efforts must be made to strengthen factory management, and in particular to control the entire production process. Specifically, it is necessary to establish each process from the raw materials into the plant and the production process, a second-generation health, technology, and quality management system, and strengthen the mutual inspection and supervision between the processes; take measures to ensure the accuracy of the production equipment and Accuracy, and regular check; do a good job of product quality checks, especially the identification of the first product. The export of dangerous goods cardboard drum packaging production plants shall strictly comply with the requirements of the management measures for the export of dangerous goods packaging quality licenses and standardize the production, technology and quality management of the factory in order to improve the quality of cardboard drum packaging. (Zhang Yumei)
Foldable Umbrella Co., Ltd. , http://www.straightumbrellas.com