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CN-121973506-A - Preheating device for corrugated paper production

CN121973506ACN 121973506 ACN121973506 ACN 121973506ACN-121973506-A

Abstract

The invention provides a preheating device for corrugated paper production, and relates to the technical field of corrugated paper. The invention comprises a plurality of groups of heating roller groups, a corrugated roller group, a compression roller group, a rubber roller group and a crimping roller which are sequentially arranged on a corrugated paper conveying track, wherein an infrared temperature sensor positioned at the side part of the corrugated paper conveying track is arranged between the corrugated roller group and the heating roller group, the corrugated roller group comprises an upper corrugated roller and a lower corrugated roller which are arranged in parallel, the upper corrugated roller and the lower corrugated roller are assembled in a matched and meshed manner, the corrugated roller group is electromagnetic induction heating, the compression roller group is arranged on the periphery of the lower corrugated roller, the compression roller group is provided with a plurality of roller teeth meshed with the teeth of the lower corrugated roller, the rubber roller group coats glue on the lower corrugated roller, the corrugated paper ridges after passing through the compression roller group are positioned at the side part of the lower corrugated roller, and the crimping roller is used for bonding face paper with the corrugated paper ridges after gluing. The corrugated paper is preheated step by step and is provided with secondary shaping measures, so that the corrugated paper forming quality is ensured.

Inventors

  • DENG DA

Assignees

  • 四川恒升包装有限责任公司

Dates

Publication Date
20260505
Application Date
20260317

Claims (10)

  1. 1. A preheating device for corrugated paper production, characterized by comprising: The corrugated paper conveying track is sequentially provided with a plurality of groups of heating roller groups, corrugated roller groups, compression roller groups, rubber roller groups and crimping rollers; The corrugated paper conveying device comprises a corrugated paper conveying track, a corrugated paper heating roller set, a corrugated paper feeding roller set, a heating roller set and a heating roller set, wherein an infrared temperature sensor positioned at the side part of the corrugated paper conveying track is arranged between the corrugated roller set and the heating roller set, the corrugated roller set comprises an upper corrugated roller and a lower corrugated roller which are arranged in parallel, the upper corrugated roller and the lower corrugated roller are assembled in a matched and meshed manner, and the corrugated roller set is heated by electromagnetic induction; The compression roller set is arranged on the periphery of the lower corrugated roller and is provided with a plurality of roller teeth meshed with the teeth of the lower corrugated roller; the glue roller group coats glue on the corrugated paper ridges of the lower corrugated roller after passing through the press roller group, the press roller is positioned at the side part of the lower corrugated roller, and the press roller presses and bonds the surface paper and the glued corrugated paper ridges.
  2. 2. The preheating device for corrugated paper production according to claim 1, wherein the heating roller group comprises two heating rollers which are arranged in parallel, the distance between the two heating rollers is matched with the thickness of the corrugated paper, and electric heating, heat conducting oil heating or steam heating is adopted inside the heating rollers.
  3. 3. The preheating device for corrugated paper production according to claim 1, wherein the upper corrugated roller and the lower corrugated roller are respectively provided with a cavity, and an electromagnetic coil coaxial with the upper corrugated roller or the lower corrugated roller is arranged in the cavity.
  4. 4. The preheating device for corrugated paper production according to claim 1, wherein the press roller group comprises a fixed shaft parallel to the lower corrugated roller, the outer wall of the fixed shaft is coaxially and rotatably sleeved with a roller, a driving source for driving the roller to rotate is arranged at the end part of the fixed shaft, a plurality of roller teeth are uniformly arranged on the outer wall of the circumference of the roller, and the rotating speed of the roller is matched with the conveying speed of the corrugated paper.
  5. 5. The preheating device for corrugated paper production according to claim 4, wherein the roller teeth are of a hollow cover body structure and made of rubber, the roller teeth are connected to the roller, the inside of the roller teeth is a closed cavity, and heat conducting oil is filled in the cavity.
  6. 6. The preheating device for corrugated paper production according to claim 5, wherein a metal ejector block is arranged on the roller in the cavity inside the roller teeth, the shape of the ejector block is matched with the roller teeth, the outer wall of the ejector block is equidistant from the inner wall of the roller teeth everywhere, a heating cover is arranged on the outer side of the roller away from the lower corrugated roller, and an electromagnetic coil is arranged on the inner wall of the heating cover.
  7. 7. The preheating device for corrugated paper production according to claim 6, wherein the bottom of the top block is provided with a sliding block, the roller is provided with a sliding groove with a position matched with the sliding block, the sliding groove is radially arranged along the roller, the sliding block is in sliding sealing with the sliding groove, and the roller and the fixed shaft are provided with a driving mechanism for driving the sliding block to slide.
  8. 8. The preheating device for corrugated paper production according to claim 7, wherein the driving mechanism comprises a plurality of spherical protruding blocks arranged at equal intervals at the bottom of the sliding block, the inner wall of the roller where the protruding blocks are arranged is provided with a ring groove, the outer wall of the fixed shaft at the inner side of the ring groove is provided with a spherical pushing block matched with the protruding blocks, and the pushing block is positioned on a connecting line of the fixed shaft and the axle center of the lower corrugated roller.
  9. 9. The preheating device for corrugated paper production according to claim 1, wherein the glue roller group comprises a glue groove, a glue spreading roller parallel to the lower corrugated roller is rotationally arranged in the glue groove, the rotation direction of the glue spreading roller is opposite to that of the lower corrugated roller, the peripheral outer wall of the lower part of the glue spreading roller is contacted with glue in the glue groove, and a heating part for keeping the temperature of the glue is correspondingly arranged in the glue groove.
  10. 10. The preheating device for corrugated paper production according to claim 9, wherein the glue groove is internally rotated with a control roller parallel to the glue spreading roller, the glue spreading roller and the control roller rotate in the same direction, and the distance between the glue spreading roller and the control roller is adapted to the thickness of the glue on the glue spreading roller.

Description

Preheating device for corrugated paper production Technical Field The invention relates to the technical field of corrugated paper, in particular to a preheating device for corrugated paper production. Background Corrugated paper is a plate-like article formed by bonding liner paper and corrugated paper formed by corrugating using corrugating rolls, and is generally classified into a single corrugated board and a double corrugated board, and is classified into A, B, C, E, F types according to the size of the corrugations. The invention and the application of the corrugated paper have the history of more than one hundred years, and the corrugated paper has the advantages of low cost, light weight, easy processing, high strength, good printing adaptability, convenient storage and transportation and the like, more than 80 percent of the corrugated paper can be recycled, can be used as the package of food or digital products, is relatively environment-friendly and has wider use. In the prior art, when the corrugated paper is preheated, glued and adhered, preheating and forming are often carried out in a group of corrugated rollers, so that the corrugated paper is heated suddenly, the corrugated paper is easy to deform to influence the forming effect, and the secondary sizing of the corrugated paper is lacked, so that the forming quality of the corrugated paper is uncontrollable. Disclosure of Invention The invention aims to develop a preheating device for corrugated paper production, which is used for preheating corrugated paper step by step and is provided with secondary shaping measures to ensure the corrugated paper forming quality. The invention is realized by the following technical scheme: a preheating device for corrugated paper production, comprising: The corrugated paper conveying track is sequentially provided with a plurality of groups of heating roller groups, corrugated roller groups, compression roller groups, rubber roller groups and crimping rollers; The corrugated paper conveying device comprises a corrugated paper conveying track, a corrugated paper heating roller set, a corrugated paper feeding roller set, a heating roller set and a heating roller set, wherein an infrared temperature sensor positioned at the side part of the corrugated paper conveying track is arranged between the corrugated roller set and the heating roller set, the corrugated roller set comprises an upper corrugated roller and a lower corrugated roller which are arranged in parallel, the upper corrugated roller and the lower corrugated roller are assembled in a matched and meshed manner, and the corrugated roller set is heated by electromagnetic induction; The compression roller set is arranged on the periphery of the lower corrugated roller and is provided with a plurality of roller teeth meshed with the teeth of the lower corrugated roller; the glue roller group coats glue on the corrugated paper ridges of the lower corrugated roller after passing through the press roller group, the press roller is positioned at the side part of the lower corrugated roller, and the press roller presses and bonds the surface paper and the glued corrugated paper ridges. Optionally, the heating roller group includes two parallel arrangement's heating roller, two interval and corrugated paper thickness adaptation between the heating roller, the inside electric heating that adopts of heating roller, conduction oil heating or steam heating. Optionally, cavities are formed in the upper corrugated roller and the lower corrugated roller, and electromagnetic coils coaxial with the upper corrugated roller or the lower corrugated roller are arranged in the cavities. Optionally, the compression roller group includes the fixed axle that is on a parallel with lower corrugated roller, the coaxial cover of rotating of fixed axle outer wall is equipped with the roller, fixed axle tip is equipped with the pivoted actuating source of drive roller, a plurality of roller teeth evenly arranged in roller circumference outer wall, the rotational speed of roller and the conveying speed adaptation of corrugated paper. Optionally, the roller tooth is hollow cover body structure and is the rubber material, the roller tooth is connected on the roller and its inside is confined cavity, and the cavity intussuseption is filled with the conduction oil. Optionally, be equipped with the metal kicking block on the roller in the inside cavity of roller tooth, kicking block shape and roller tooth adaptation, kicking block outer wall everywhere is equidistant with the roller tooth inner wall, the outside that lower flute roller was kept away from to the roller is equipped with the heating mantle, the heating mantle inner wall is provided with solenoid. Optionally, the kicking block bottom is equipped with the slider, be equipped with the spout of position and slider adaptation on the roller, the spout is arranged along roller radial, slider and spout sliding seal, be equipped w