The degree of automation of paper honeycomb downstream processing equipment needs to be improved

[ppzhan Abstract] As a new type of industry, paper honeycomb materials have made great progress in China in recent years. However, there are still many deficiencies compared with foreign countries. The obvious one is that the degree of automation of the downstream processing equipment is low, which is fatal for the society that pays more and more attention to efficiency. Therefore, the automation degree of the processing equipment after the paper honeycomb packaging needs to be improved. .

The paper honeycomb industry is a new type of industry emerging in China. Paper honeycomb materials began to be used in Europe and the United States after World War II. At present, 80-90% of the doors used in Western countries use honeycomb paper as a filling material to reduce the use of wood and steel, and to greatly improve the materials. Utilization rate. In the past, honeycomb structure technology was used as a military-civilian dual-use technology, and the West restricted its exports to China. However, China began to develop and promote paper honeycomb material products in the early 1990s, and has made considerable progress and development in the past decade.

The development trend of the paper honeycomb industry in the country is generally good, showing a strong vitality. The situation of the weak south and the north and the slow development of the west has quietly changed. In the Pearl River Delta, especially in Dongguan, although the competition of paper honeycomb packaging products is fierce, various manufacturers have survived in the difficult times; the current development situation in the Yangtze River Delta has changed a lot, especially in the coastal areas of Zhejiang, chemical fiber products are from EPS foam. Plastics were changed to paper honeycomb packaging; Shandong Haier's home appliance packaging was the only one that drove the development of other enterprises' packaging; the central and western regions, especially Chongqing and Chengdu, developed light walls in accordance with local conditions and contributed to the reconstruction of homes after the earthquake; Shijiazhuang in the north used to be a blank area, and now there is a paper-commercial enterprise; the security door industry with paper honeycomb as the core of the Liaodong area is flourishing and famous. At present, there are no paper honeycomb enterprises in Xinjiang, Tibet, Qinghai, Inner Mongolia, Guangxi, etc. Paper honeycomb enterprises in other regions are emerging and developing.

The real development of paper honeycomb in China is only over ten years. The rise of paper honeycomb is strictly a revolution in packaging replacement. In 1998, the United States found that the wood packaging of China's export products had A. glabrata. In June 1999, Europe and the United States issued a ban on China, and China's wood packaging faced a crisis. Therefore, the Chinese government has taken emergency measures and issued relevant documents, requesting the conversion of wood into paper honeycomb, so the paper honeycomb industry has been greatly developed.

Paper honeycomb packaging can also be used as an alternative to EPS white foam packaging. The world has banned white pollution. China is one of the 13 sponsors. Eliminating white pollution has become an important goal for China to protect the environment. However, in terms of current social reality, EPS white foam is still widely used. Because the cost of paper honeycomb packaging is higher than EPS white foam, white foam is forbidden.

One of the reasons for the high cost of paper honeycomb packaging is that the downstream processing equipment is low in automation and requires a lot of labor. The development of corrugated paper has a history of more than 100 years. From the production line of cardboard and the machinery of post-processing, it has become the standard equipment for shaping. The mature technology has already increased the productivity to the extreme, and the labor cost is lowered. Achieved cheap. The paper honeycomb has only been developed in China for more than ten years. Whether it is the production line of cardboard or the processing equipment of the downstream, it is developing. Paper core production in the production of honeycomb paperboard, from eight sides to cascading, from cascading to fully automatic, has undergone three improvements in just over a decade.

In addition, after the processing, due to the diversification of products, the rear equipment is non-standardized special machinery. Large enterprises are unwilling to develop and develop because of the small amount and low efficiency. The small units have no ability to design, so the downstream processing has always been a sea battle. In exchange for intensive and cheap labor for meager benefits. The lower the cost, the worse the market competitiveness of the product, and the more blurred the market outlook.

A tray is commonly used in paper honeycomb packaging. According to statistics, a worker can usually do 10~12 trays a day. Now the salary has been raised. Even if the work cost is 120 yuan, the processing fee for the pallet needs 10 yuan. If the production of special planes is used, 100 people per shift will be produced, and the production cost will drop. The products will undoubtedly be competitive. Therefore, the lack of advanced downstream processing equipment, labor is expensive, and the cost is difficult to drop is one of the reasons for the slow development of paper honeycomb.

Later processing is a more complicated problem. Paper honeycomb started late in China. Due to the short development time, the packaging form is different. At present, the post-processing of domestic enterprises is still a man-made battle. Inefficiency has become a bottleneck in the development of paper honeycomb.

Take the tray of the common form of paper honeycomb packaging as an example. At present, there are only testing standards for military and commodity inspection, and there is no production standard. The tray panel varies greatly in size due to the size of the packaged object. It is beautiful in appearance, and has a wrapping paper corner and a wrapping paper corner. At the same time, the tray foot has three requirements, or nine squares. Therefore, it is difficult for the downstream processing equipment to form a standard pipeline.

The foreign assembly line produces pallets of uniform size and size, the speed is very fast, the cost is very expensive, but it is not suitable for China's national conditions. In addition to the market requirements of various specifications and styles, it does not mean that the entire assembly line is expensive. In terms of the regional economy of paper honeycomb products, the transportation cost of more than 100 kilometers will greatly increase the cost and make the products lose their competitiveness. Therefore, pallet production can only be produced according to market conditions, and single machine selection can meet the production needs of enterprises. Enterprises can also purchase matching special machinery according to the actual situation.

The paper honeycomb plate of the packaging of the chemical fiber factory was originally made of foam plastic board. After switching to the paper honeycomb hole plate, it was finished with a punching machine. The single operation, the speed of 6~8 seconds, a working cycle, Indonesia, Malaysia, Vietnam and other countries are very good. Domestic Guangdong, Zhejiang, Jiangsu and other enterprises have already used this kind of punching machine and matched the cutting machine.

The original foam can be opened in the shape of the object to complete the packaging project. Fortunately, paper honeycombs can now be stamped to replace EPS packaging. This paper honeycomb stamping product has been used in Shanghai GM's mechanical export packaging. Zhejiang Ningbo Jisheng Company's products also use large-scale paper honeycomb packaging, small power tools in Wenzhou area export packaging, these packaging can not be made by hand, and mechanical punching solves production problems and improves efficiency.

The latter production is the weak link of the paper honeycomb industry. This non-standardized product should be designed and manufactured according to market needs. In addition to the paper honeycomb enterprises to explore products for their own development, there are few units in the society that study the downstream equipment. I hope that everyone will pay more attention to the development of the downstream equipment, because the paper honeycomb should be developed, and the latter is the foundation.

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