Mold for producing slow release fertilizer

• Main Authors: YAN YAQI, HE PENG, ZHONG WUJUN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: PERFORMING OPERATIONS; PRESSES; PRESSES IN GENERAL; TRANSPORTING

The utility model provides a mold for producing a slow release fertilizer, and aims to solve the technical problem that an existing slow release fertilizer mold cannot flexibly produce slow release fertilizers with different slow release speeds. According to the technical scheme, the mold for producing the slow release fertilizer comprises a horizontal lower mold, an upper mold matched with the lower mold and a first punching piece installed on the upper mold; the first punching piece comprises a first mounting part located above the upper die and a plurality of first rod parts which are arranged at the bottom of the first mounting part and vertically extend downwards; the upper die is provided with a through hole which penetrates through the upper surface and the lower surface of the upper die and is matched with the first rod part. A screw rod vertically extending upwards is arranged at the top of the upper die, a through hole allowing the screw rod to penetrate through is formed in the first mounting part,