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[Carton knowledge] Construction technology and technology of multiple stand-alone combined systems

1. Multiple stand-alone combined systems

1.Cutting equipment

In a single machine with multiple stacks, in order to make the roll paper or flat paper suitable for post-processing size specifications, it is necessary to cut. In order to save raw materials and maximize the use of paper, it is also necessary to plan the use of materials and implement splicing in accordance with the standards.

The roll paper is cut by a single-knife rotary cutter (see Figure 6). The equipment consists of upper paper rack and paper guide, paper feeding, slitting, transverse cutting, material receiving, etc. You can also trim edges and count in trimming. Cutting specifications can be adjusted according to processing requirements.

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The flat paper is cut by a paper cutter (see Figure 7). The equipment consists of a paper cutting system, a pressure system, and a high-speed system with specifications. At present, the advanced paper cutting machine has adopted numerical control device, hydraulic operation, and light guide elements, which ensure cutting accuracy, improve work efficiency, and operate safely and reliably. The processing specifications are limited by the forward and backward movement of the special pusher.

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2.Corrugated machine

The corrugating machine presses the cut or spliced corrugated base paper into corrugated corrugated paper (see Figure 8). This equipment is mainly composed of upper and lower corrugated rollers, heating device, adjustment system, anti-roll paper guide claw and other parts. In order to make the corrugation well formed and fixed, the surface of the corrugating roller must be maintained at a temperature of about 200 ° C. At present, the heating devices used are mostly built-in electric heating wire in the quartz tube or winding the electric heating wire on a long, square or circular heat-resistant body. There are also heating using silicon carbon rods. For heating with electric wire, the whole machine consumes 10kw / h, while for heating with silicon carbon rod, the whole machine consumes 20kw / h. The latter heats up faster than the former, lasting surface heat and long life, but consumes more power. The corrugating rolls used by corrugating machines are a, c, and b. The e-type corrugating machine is a special corrugating equipment for making corrugated boxes. The volume is small, and the diameter of corrugating rolls is around 150mm. In order to save energy, the equipment manufacturer installed a thermal insulation layer on the surface of the corrugating machine and covered it on the corrugating roller, which not only maintained the thermal efficiency, but also ensured safety. Some harmony manufacturers also adopt high technology and install temperature control devices, so as to ensure the plasticity of the wave corrugations and save energy.

3.Glue machine

 
The glue falling rock machine is mainly composed of a pair of rubber coating rollers, two rubber scraping rollers, a rubber storage tank and a pressure regulating system (see Figure 9). Its function is to apply a layer of adhesive film to both sides of the corrugated paper evenly and in a proper amount. Then the corrugated corrugated paper coated with glue is placed in the middle of the inside and the face paper by the operator to make corrugated cardboard. The finished corrugated cardboard can be put into the next process for processing after a short time (1-4 hours) of pressing and natural drying. The glue machine with higher precision has chrome plating on the surface of the coating roller and scraper roller, which is resistant to acid and alkali corrosion and wear. The storage tank can be lifted and lowered automatically to facilitate cleaning after replacement with different adhesives. Many small companies producing primary paper packaging containers mostly use this process to produce corrugated cardboard. In order to save manpower and material resources and improve production efficiency, some enterprises have arranged the glue machine of the corrugator in an "l" shape, combined with belt reversing in the middle, or caused the belt with the corrugated paper line to pass through the light pipe, so that the electromagnetic clutch instantly Suction, so that the corrugated paper falls on the belt going to the glue machine, continuous operation, the effect is better.
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