Extrusion forming mechanism for passive honeycomb paperboard covering machine

Abstract

The invention relates to an extrusion forming mechanism for a passive honeycomb paperboard covering machine. A honeycomb paperboard comprises an upper surface, a lower surface and a honeycomb paper core arranged between the upper surface and the lower surface. The number of the extrusion forming mechanisms is two. The two extrusion forming mechanisms are symmetrically arranged on the two sides of the honeycomb paperboard. Each extrusion forming mechanism comprises a fixed block, a movable block, an extrusion block, a spring and a sliding rod, wherein the fixed block and the movable block are connected through the sliding rod, the end of the sliding rod is sleeved with the spring, and the extrusion block is fixed into the movable block through a bolt; the extrusion block extrudes the honeycomb paper core, and the movable block drives the extrusion block to move vertically according to the roughness of the honeycomb paperboard under the elasticity of the spring, so that a neutral surface of the honeycomb paperboard coincides with a neutral surface of the movable block. Compared with the prior art, the extrusion forming mechanism can quickly move along with the neutral surface of the honeycomb paperboard with the strip crown so that the paper core on the side face of the extrusion forming mechanism can be smoothly extruded and formed.

Description

technical field [0001] The invention relates to a honeycomb paperboard processing device, in particular to an extrusion forming mechanism for a passive honeycomb paperboard edge wrapping machine. Background technique [0002] With the rapid development of my country's economy and the country's increasing emphasis on environmental protection, the honeycomb paperboard industry as an environmentally friendly material has developed rapidly. The current honeycomb paperboard is a three-layer structure formed by bonding two layers of paperboard on the honeycomb paper core. After the starch glue is dried, due to internal stress problems, there will be inevitable board unevenness. Therefore, in the "passive" honeycomb paperboard ("passive" here means that the honeycomb paperboard does not use additional edge-protecting paper or edge-wrapping paper tape for edge-wrapping in the edge-wrapping process) the edge-wrapping machine , especially when extruding the paper core, because the ne...

AI Technical Summary

Problems solved by technology

Therefore, in the "passive" honeycomb paperboard ("passive" here means that the honeycomb paperboard does not use additional edge-protecting paper or edge-wrapping paper tape for edge-wrapping in the edge-wrapping process) the edge-wrapping machine , especially when extruding the paper core, because the neutral plane of the extrusion molding mechanism used cannot always be consistent with the neutral plane of the cardboard, such as figure 1 As shown, it is easy to scratch the surface of the board, affecting the quality and efficiency of hemming

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