Full-automatic edge folding machine

Abstract

The invention discloses a full-automatic edge folding machine which comprises a worktable, a double-edge edge folding device, a third-edge edge folding device, a material fixing part, a guiding groove and a driving device. The worktable is provided with the guiding groove. The material fixing part is arranged in the guiding groove in a sliding manner. The guiding groove is provided with a first guiding groove section parallel to the double-edge edge folding device, and a second guiding groove section parallel to the third-edge edge folding device. The driving device is provided with a first driving source and a second driving source. The first driving source drives the material fixing piece to move to the second guiding groove section along the first guiding groove section, and the second driving source drives the material fixing part to move along the second guiding groove section. Compared with the prior art, the full-automatic edge folding machine has the following main beneficial effects that firstly, the automation degree is high, the labor intensity of workers in a factory is lowered, and human resource cost is reduced; secondly, the edge folding effect is good, and materials obtained after edge folding is high in quality, and the defective rate is reduced; and thirdly, the working efficiency is high.

Description

technical field [0001] The invention relates to the technical field of automatic edge folding of plastic sheets, in particular to an automatic edge folding machine. Background technique [0002] With the development of social economy, most of the products need to be packaged in plastic packaging boxes. The usual plastic packaging boxes are made by thermoforming the plastic sheet into a concave cavity with the same shape as the product, and the plastic sheet is folded manually. Processing, then put the product into the concave cavity and then insert the cardboard into the folding edge and seal it. In the prior art, the hemming process of the plastic sheet is usually done manually. During the hemming process, the workers use their fingers to press the plastic sheet on the heating wire. Due to the uneven force on the plastic sheet, the edge of the finger is often folded. The effect is obvious, and even the edge of the plastic sheet is deformed due to excessive force, while oth...

AI Technical Summary

Problems solved by technology

In the prior art, the hemming process of the plastic sheet is usually done manually. During the hemming process, the workers use their fingers to press the plastic sheet on the heating wire. Due to the uneven force on the plastic sheet, the edge of the finger is often folded. The effect is obvious, and even the edge of the plastic sheet is deformed due to excessive force, while other places are prone to rebound due to insufficient force and poor contact with the heating wire, and the overall defective rate is extremely high

At the same time, in order to make the folding width consistent, the worker needs to align the plastic sheet with the heating wire and then bend it forcefully when folding the edge. It takes a certain amount of time to manually judge the alignment. Firstly, the work efficiency is low, and secondly, the plastic sheet It is easy to melt and deform when it is in contact with the heating wire, which affects the effect of hemming and the yield of good products

Furthermore, at present, for packaging plastic sheets, either manual folding or the existing three-sided folding machine is used. The folding effect of manual folding is not good, and the workers are prone to fatigue. Long-term bending of the head can easily lead to cervical spondylosis and frozen shoulder. etc. However, the existing three-side folding machine has poor folding effect, high cost and very low efficiency. Most factories are willing to use hired workers instead of buying three-side folding machines to fold plastic films.

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