Method for manufacturing closed flanged metal plate

Abstract

The invention discloses a method for manufacturing a closed flanged metal plate. The method is used for bending the part to be bent on the metal plate into a closed tubular bending part. The bending part comprises a plurality of flanged plates which are formed by bending the plate along a plurality of fold lines, and the section of the bending part is a polygon. The method comprises the steps: step I, drilling a plurality of through holes along at least one fold line on the part to be bent on the metal plate; step II, bending the part to be bent by bending equipment, and thus the flanged plates on the two sides of the fold line without through holes are bent to a preset angle along the fold line between the two flanged plates; step III, bending the part to be bent by hand, and thus the flanged plates on the two sides of the fold line with the through holes are bent to the preset angle along the fold line between the two flanged plates. The method can be effective and convenient to process and manufacture, cannot have much impact on the structural strength of the closed flanged metal plate, and can effectively ensure the product quality and the neat appearance.

Description

technical field [0001] The invention relates to a bending and forming method of a metal plate, in particular to a manufacturing method of a closed hemming metal plate. Background technique [0002] Products such as boxes, cabinets, tables and chairs usually have a plate-like structure. These plate-like structures are usually made of metal plates. In order to improve the structural strength and weighing capacity of the plates, the sides of the plates are usually folded. In order to avoid cutting the user by the edge of the plate, the side of the plate is usually turned into a closed polygon such as a rectangle. Since these metal plates are usually thicker, the current folding of these plates is usually done by a folding machine. Wait for the equipment to proceed. In the process of turning the side part of a piece of metal sheet into a closed polygon, the last folding process is usually the bending and sealing. The edge panels are closely connected together, and the edge pan...

AI Technical Summary

Problems solved by technology

In the process of turning the side part of a piece of metal sheet into a closed polygon, the last folding process is usually the bending and sealing. The edge panels are closely connected together, and the edge panel equipment usually needs to clamp the edge panel to fold or use rollers to bend, it is difficult to complete the bending and sealing, especially for the smaller size of the folded part , because it is difficult to take out the jig of the hemming plate equipment from the turning part, and it is difficult to accommodate the rollers in the inner space of the turning part, so it is difficult to use the hemming plate equipment to perform the turning operation

At present, the bending and sealing process is usually carried out manually by workers or first with the folding board equipment until it is nearly completed, and then the workers manually fold it completely. However, due to the hard material of the metal sheet, the folding is laborious, and the operation is very inconvenient and extremely difficult. It greatly affects the production efficiency, and it is difficult to ensure the flatness of the folding board and the straightness of the folding line by manual work, which is easy to affect the product quality

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