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Introduction
At present, there are generally three types of equipment for manufacturing corrugated cardboard and corrugated boxes in my country. One is the traditional stand-alone. It is a corrugating machine that forms corrugated base paper into a corrugated paper. A glue machine that glues the face paper, lining paper, core paper and corrugated corrugated paper to complete the manufacturing process of corrugated board. It is matched with a single machine to manufacture corrugated boxes. The equipment combined with corrugated paper also needs to complete the processes of batching, cutting, printing, splicing, slitting, grooving, corner cutting and forming. The whole single-machine assembly line has many equipment and process links, the product quality is not well controlled, and the consumption is high. The other is a single-sided corrugated paper machine, which first produces single-sided corrugated cardboard, and then processes it through a single-machine glue car to produce different structures and corrugated cardboard. The single-sided corrugated paper machine is a semi-automatic production line composed of a reel bracket, a single-sided corrugated machine and a rotary bracket type paper cutter. It has the characteristics of high efficiency, good product quality and strong adaptability. Another is to use the corrugated cardboard automatic continuous production line to complete. Various equipments organically combine the entire corrugated board production process to make it continuous production. The traditional method of combined production of many single machines not only has high production efficiency and low labor intensity, but also centralized control of operation, which is simple, safe and low in noise; the most important thing is the high quality of corrugated cardboard produced. The corrugated and corrugated shapes are standardized and standardized. The packaging containers produced by this equipment are neat, beautiful and flat. Appearance and physical properties are superior to products produced by single machine or combined single machine linkage line.
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Scientific Development of Corrugated Structure and Its Equipment
(1) From corrugated structure to honeycomb composite structure Using the scientific principle of corrugated structure to manufacture corrugated boxes, after nearly 150 years of hard work, practice and continuous deepening of packaging experts around the world, the development of corrugated structure has reached the limit, and further development must develop a new world. After the Americans discovered the honeycomb structure, they invented the aluminum alloy honeycomb panel and applied it to the modern military industry. Then it was converted to civilian use, and honeycomb paperboard was invented, which was processed into honeycomb packaging. In addition, a variety of honeycomb composite materials have been developed, such as corrugated honeycomb composite cardboard. It has opened up a broad market field and created a scientific miracle.
Development trend of corrugating machine equipment
(1) Trend of corrugated board production line The development direction of my country's corrugated machine equipment is firstly wide-width high-speed complete sets of equipment to meet the needs of market development; secondly, in the production of medium and light corrugated cardboard box equipment, we should pay attention to complete sets, expand the application depth and breadth of computer technology, and focus on improving performance and improved reliability.
Fifty years of development track of corrugated production line in my country
(1) The history of fifty years my country's corrugated box industry started late in the world, but its development has changed rapidly. The use of corrugated boxes was only promoted in 1954, 40 years later than Japan and more than 60 years later than the United States. And the technical starting point is low. At the beginning, the stand-alone machine in Japan in the 1930s was used. The processes were all connected manually, and there was no assembly line operation. It wasn't until the mid-to-late 1970s that the situation changed.
Technological progress of corrugated board production process
(1) Early tile line The production of single-sided corrugated board is an independent process, separate from the gluing process of the second layer of paper, which is then slit, creasing and cross-cut according to the final board specification. The single-sided corrugated paper roll is transferred to the gluing machine, and then made into double-sided corrugated cardboard, which is then cut into a certain size of finished cardboard by a flat hot plate, a slitting machine and a terminal cross-cutting machine. These machines have a width of about 1 meter, and the final cardboard is creasing, cut and grooved on a separate machine, usually a cross-bar hand-operated machine. Of course, the sequence of these processes can be varied, but the main principle remains the same. The early single-sided corrugating machine did not have a pressure roller, but extruded the corrugated core paper to shape, and then sent it to the glued surface paper for bonding. These two processes were independent.
The century-old development process of corrugated board production line
As early as 151 years ago, the British discovered the corrugated structure and invented corrugated packaging. The corrugated box industry in today's world is undergoing rapid changes. The corrugated board production line is an assembly line composed of the reel base paper after corrugating, gluing, bonding and shaping, paper separation and pressing, cross-cutting into specification board, and finally stacking and outputting. From structure, speed, specification to control, corrugated cardboard production line has experienced a century-old development process from simple to modern, from low speed to high speed and from mechanization to computer digital control mechatronics.
Single-faced corrugating machine operating procedures
This machine is a high-temperature operation equipment. The operator should beware of burns. It is strictly forbidden to approach the corrugating roller in operation and apply the rubber roller to prevent crushing fingers. Always check the rotating head, metal hose, steam pipe for leaks to avoid the danger of high pressure.
Single-face corrugating machine production process and troubleshooting (1)
The single-faced corrugating machine is the heart of the corrugated board production line.
Corrugated machine process control points
1. Appearance: The board is straight, without cracks, wrinkles, craters, blasts and so on.
Production process and troubleshooting of single-face corrugating machine (2)
