How is a honeycomb paperboard made?

Honeycomb paperboard production process: 1. Core making 2. Gluing 3. Stretching 4. Compounding 5. Compaction 6. Slitting 7. Splicing 8. Special treatment 9. Heating and drying 10. Vertical and horizontal cutting

Here is the content:

Honeycomb paperboard core

Honeycomb paperboard gluing

Honeycomb paperboard stretching

Composite

Compaction

Slitting

Honeycomb paperboard splicing

Heating and drying

Honeycomb paperboard core

1. Winding type 2. Laminating type 3. Paper butt type 4. Continuous paper type

Honeycomb paperboard gluing

gluing process: honeycomb paperboard core bar bonding, core bar docking, paperboard composite: gluing method: 1. Glue spraying: the glue solution is sprayed to the sizing place with a certain pressure by a glue spraying machine or glue pump. 2. Beehive paperboard coating: the use of COTS to transfer the glue to the sizing and a sizing method.

Gelatinization method: 1. Immersion type: the gelatinizing roller is directly immersed in the glue solution. 2. Transfer type of quantitative roller: the quantitative roller is used to transfer the glue liquid to the coating roller. 3. Anilox roll type: use pit anilox to hold the glue.

Gelatinization form: 1. Longitudinal gelatinization 2. Transverse gelatinization 3. Full width gelatinization

Honeycomb paperboard stretching

1. Width limit stretching: use the width limit to open the honeycomb paperboard core. It is easy to realize and has uneven transverse force, so it is suitable for single machine operation. 2. Differential stretching: use the speed difference to pull the core apart. 1. Press compaction 2. Extrusion compaction 3. Roller compaction

Composite

1, the paper core and honeycomb paperboard face paper composite side gluing: bonding easy to ensure, with a large amount of glue, not easy to dry. Gluing on the other side: it is difficult to control the bonding, small amount of glue, and easy to dry. Now one thinks that the quality of gluing on the edge is not easy to guarantee.

Compaction

refers to the honeycomb paperboard paper bonding to apply a certain pressure process, in order to make the bonding effect is good, generally need to be compacted. The processes to be compacted are: paper core bonding, core bar docking, paperboard composite compaction

Slitting

refers to the process of cutting multi-layer adhesive composite paper or paper core into paper or paper core. Bonding molding honeycomb paperboard core, will be cut into strips of paper, and ultimately bonded into paper core. Three methods: 1. Slitting by paper cutter: slitting paper core by paper cutter. It is characterized by positioning and cutting at the same time, large cutting force, limited cutting thickness and cutting efficiency. The core making process of forming paper pellets first is applied. 2. Circular force slitting: the honeycomb paperboard paper is longitudinally slitted by a circular knife. It is characterized by continuous slitting in operation. It is used in the continuous core making process. 3. Single punching knife cutting: use a single punching knife to cut the paper horizontally on the anvil. It is characterized by fast punching. It is used in the paper butt type core making process.

Honeycomb paperboard splicing

Refers to the process of paper core splicing and paper splicing. Core bar docking: the paper core bar is bonded continuously by extrusion, which is characterized by uneven stress on the bonding surface. It is applied to the core making process that needs to form a paper core block. The paper stick together: 1. horizontal paper stick together: using extrusion to connect the paper stick together, applied to the honeycomb paperboard paper butt type core making process. 2. Longitudinal strip splicing: longitudinal continuous honeycomb paperboard strips are bonded by continuous roll extrusion. It is characterized by continuous strip breaking and horizontal pressure. It is used in the continuous strip core making process. Splicing methods: 1. Manual splicing: 2. Semi automatic splicing: 3. Automatic splicing (core bar docking, paper bar splicing)

Heating and drying

in the production of honeycomb paperboard, it is necessary to heat the bonding, moisture discharge and core setting. Introduction. The heating and drying method used in the production of lower honeycomb paperboard. Electric heating: far infrared and microwave drying. It is characterized by convenient control, large energy consumption and high cost. 2. Steam heating

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