An automatic gluer and folding device for corrugated cartons

Abstract

The invention discloses an automatic box pasting and folding device for a corrugated paper box, and belongs to the technical field of box pasting machines. The device comprises a cross beam and a workbench. A box pasting machine is arranged on the cross beam. The invention further discloses a method of the automatic box pasting and folding device for the corrugated paper box. The box pasting machine automatic folding device comprises folders and the box pasting machine, the folders and the box pasting machine are cooperatively used, and after the corrugated paper box is positioned and pressedby pressing devices, folding and box pasting work is completed. Point force bearing in the folding process of the corrugated paper box is changed into plane force bearing, force bearing is balanced, the corrugated paper box is not likely to be broken, the corrugated paper box is accurately folded, one-time box pasting work is completed in the folding process of the corrugated paper box, the applying gum amount is precisely controlled by controlling the movement progress of air cylinders, the gum applying position and the glue applying uniformity are precisely controlled, and the gum applying position precision and the gum applying quality are improved. The automatic box pasting and folding device is simple in structure, low in cost and convenient to wash.

Description

technical field [0001] The invention belongs to the technical field of gluer, and more specifically relates to an automatic gluer and folding device and method for corrugated boxes. Background technique [0002] Corrugated paper is a plate made of liner paper and corrugated corrugated paper formed by processing corrugated sticks. It is generally divided into two types: single corrugated board and double corrugated board. According to the size of the corrugated board, it is divided into: A, B, C , E, F five types. Type A stare blankly made of corrugated board has good buffer, A degree of elasticity, C going A while at A type A. But the stiffness and impact resistance is better than that of type A stare blankly. But the stiffness and impact resistance are better than A-type flute; B-type flute has a large arrangement density, and the corrugated board made of it has a smooth surface and high bearing pressure, which is suitable for printing; E-type flute is thin and dense, and ...

AI Technical Summary

Problems solved by technology

During this process, the corrugated cardboard is folded inward by the force of the belt, and the belt and the cardboard can only produce point or line contact at the front end of the cardboard running direction, and it is impossible to produce plane contact, so that the folded cardboard is stressed unevenly , the folding line is dislocated, forming a "fish tail"; the folding belt is mostly a flat belt, which needs to move the cardboard horizontally and turn it over to press the cardboard to fold inward. The belt has better flexibility, while the corrugated cardboard is less flexible. , the inner side of the belt, due to the internal rotation of the roll, the horizontal movement speed produces a decomposition in the inward direction, thus lagging behind the running speed of the cardboard. Produce uncontrollable large errors, that is, scissors

Then glue and glue. At present, there are two kinds of glue supply devices for automatic box gluers, one is the self-flow glue supply device. Adjustment, the disadvantage of this method is that the size of the glue is not easy to control, the glue is large, the excess glue is easy to leak, and the accuracy of the wiring is not easy to control; the other is a circulating glue supply device, and its main structure is a glue pump ( Usually gear pump), glue inlet pipe, glue return pipe, glue box, glue wheel, glue barrel and valve. Its working principle is to pump glue from the glue barrel into the glue box through the gear pump to apply glue Glue, the excess glue in the glue box returns to the glue barrel under the pressure of the pump. Although this method overcomes the shortcomings of the self-flowing glue supply, it brings new problems: (1). The glue is applied in the same way, that is, the contact glue is used on the round rolling surface. The manufacturing cost of the glue pump is high and the precision of the wiring is not high. (2). 1. A lot of residual glue and water are wasted when cleaning the glue pump, which not only pollutes the environment, but also increases the cost. (4) The thickness of the glue is not easy to control

[0004] This separate method mainly has the following problems: (1) The force direction of the folded cardboard and the actual folding direction of the carton have a hysteresis deviation, which cannot be matched, resulting in an uncontrollable large error in the folding seam of the carton. (2) Using Glue is applied in the form of a roller, that is, the contact glue is used on a round roller surface. The manufacturing cost of the glue pump is high, the precision of the wiring is not high, and the cleaning is difficult. (3) The process is complicated, which increases the length of the assembly line and the carton bonding. Accuracy is difficult to grasp

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