Punching die of stiffening plate of liquid crystal display base

Abstract

The invention discloses a punching die of a stiffening plate of a liquid crystal display base. The punching die of the stiffening plate of the liquid crystal display base comprises an upper die and a lower die; the upper die is in cooperative movement with a guide sleeve arranged on the lower die by a guide pillar fixed on the upper die and is correspondingly occluded with the guide sleeve of the lower die, and the upper die comprises an upper forming male die, an upper clamping plate and an upper padding plate which are fixed on an upper die plate in sequence; and the lower die comprises a lower forming female die and a lower padding plate which are fixed on the upper plane of a lower die plate, the forming part of the lower forming male die is shaped as an isosceles trapezoid, and four angles of the isosceles trapezoid are of circular arc transition. Due to adoption of the mode, the production procedures can be simplified, and meanwhile, more manpower and material resources can be saved; and the punching die disclosed by the invention is suitable for flow line production of products and has the advantages of saving the production cost and greatly improving the production efficiency of enterprises.

Description

technical field [0001] The invention relates to the field of punching dies, in particular to a punching die for a reinforcing plate of a liquid crystal display base. Background technique [0002] Stamping dies are dies used for sheet metal stamping and blanking separation, including punching dies, bending dies, deep drawing dies, and hole turning dies. In the stamping die, the sheet is formed through the mold cavity, and the sheet is separated or cut through the punching edge of the stamping die. The most commonly used stamping die has only one station to complete a production process. In order to improve productivity, multiple stamping processes, such as blanking, deep drawing, punching, trimming and other processes, can be designed on one stamping die, so that the sheet can complete multiple stamping processes at one station. The mold is called a composite mold. [0003] Stamping dies usually include upper die, lower die, upper die fixing plate, lower die fixing plate, ...

AI Technical Summary

Problems solved by technology

The existing liquid crystal display base reinforcement plate on the market requires high dimensional accuracy and molding interface for its volume and assembly requirements. The existing stamping die has low molding efficiency and low yield, which greatly increases production costs and wastes resources.

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