Deformation-preventing outer edge device capable of ensuring die-cutting precision of paper pulp molded product

The invention provides a deformation-preventing outer edge device capable of ensuring the die-cutting precision of a paper pulp molded product and an application method of the outer edge. The outer edge device comprises a pushing mechanism, an auxiliary mechanism, a push plate, an outer edge plate, an upper pressing die and a lower die holder, wherein the push plate is disposed at the lower end ofthe interior of the lower die holder, the upper pressing die is arranged above the push plate, and the outer edge plate is fixed outside the upper pressing die; and a push rod mechanism is installedon the left and right sides of a base plate, and the auxiliary mechanism is fixed on the upper end surface of the lower die holder. Compared with the prior art, the deformation-preventing outer edge device has the following advantages that the function of fast pushing is realized, the product is not easily deformed, and the functions of rapid cooling and forming are also realized. 本发明提供种保证纸浆模塑产品模切精度的防变形外楞及使用该外楞的方法，该外楞包括推送机