Conversion type refrigerator door lining punching die

Abstract

The invention discloses a conversion type refrigerator door lining punching die, comprising an upper die, a lower die and a trimming mechanism, wherein the upper die is provided with a punching male die mechanism; the lower die is provided with a punching female die mechanism; the punching male die mechanism comprises an upper selection oil cylinder and a fixed rack which are fixed on the upper die; the fixed rack is provided with a male die oil cylinder fixed rack driven by the upper selection oil cylinder to move and an upper locking oil cylinder used for locking the male die oil cylinder fixed rack; the male die oil cylinder fixed rack is connected with a punching male die and a punching male die fixed plate by a guide pillar; the punching female die mechanism comprises a lower locking oil cylinder and a female die overturning fixed rack, wherein the lower locking oil cylinder is fixed on the lower die; the female die overturning fixed rack is connected to the lower die by an overturning fixed rack shaft. Two sets of refrigerator door lining punching dies are combined into one set, the die development cost is reduced, the raw material and manual die trial expense are reduced, the remodeling and die changing times of products are reduced, the working procedure is simplified, the production time is shortened, and the production cost is greatly reduced.

Description

technical field [0001] The invention relates to a convertible refrigerator door liner punching die. Background technique [0002] Refrigerator refrigerator doors are mostly flat type, that is, non-drinking type, but with the improvement of living standards and demands, more and more drinking water type refrigerator doors have appeared, such as figure 1 , there is a concave part 16 in the middle and a raised part 17 and a hole 18 with a diameter of about 63mm. Like this, although the drinking water type and the non-drinking water type door liner are the same in size, because the drinking water type refrigerator door liner has a diameter of about 63 mm. A hole of 63mm needs to be molded separately, so when processing these two types of refrigerator door panels, two different types of punching molds need to be used, that is, the mold needs to be replaced during production and processing, and two sets of molds are used to produce refrigerator door panels The disadvantages are a...

AI Technical Summary

Problems solved by technology

[0002] Refrigerator refrigerator doors are mostly flat type, that is, non-drinking type, but with the improvement of living standards and demands, more and more drinking water type refrigerator doors have appeared, such as figure 1 , there is a concave part 16 in the middle and a raised part 17 and a hole 18 with a diameter of about 63mm. Like this, although the drinking water type and the non-drinking water type door liner are the same in size, because the drinking water type refrigerator door liner has a diameter of about 63 mm. A hole of 63mm needs to be molded separately, so when processing these two types of refrigerator door panels, two different types of punching molds need to be used, that is, the mold needs to be replaced during production and processing, and two sets of molds are used to produce refrigerator door panels The disadvantages are as follows: 1. Two sets of molds need to be opened during normal production, one without drinking water refrigerator door liner and one with drinking water refrigerator door liner, which will increase the cost of molds and lengthen the development cycle accordingly; 2. Two molds After the assembly is completed, it is necessary to test the mold and improve the mold, which will increase the cost of raw materials and labor; 3. When the two molds are changed, one mold must be replaced from the equipment, and the other mold must be replaced, and then adjusted, which increases the cost. Cost of production

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