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[CN 201910205648.5] Multi-step multi-layer dry powder products automatic molding hydraulic press lower oil cylinder adjustment device
[CN 201910205648.5] Title of lower cylinder adjustment device for multi-step multi-layer dry powder product automatic molding hydraulic press: lower cylinder adjustment device for multi-step multi-layer dry powder product automatic molding hydraulic press Application No.: CN 201910205648.5 Applicant: Nantong Zhongye Hydraulic Press Co., Ltd. Application Date: 2019-3-19 Patent Type: Invention Application The present invention relates to a lower cylinder adjustment device for multi-step multi-layer dry powder product automatic molding hydraulic press, the lower cylinder is a double output cylinder, it includes a powder sinking device; the powder sinking device is a powder sinking cylinder, including a cylinder body, a piston head, and a pressure cap. The cylinder body is suit to the end of the lower piston rod of the lower oil cylinder, and the piston head is arranged in the cylinder body. Inside and sleeved with the lower piston rod of the lower oil cylinder, the piston head is in sliding and sealed contact with the cylinder body and the lower piston rod of the lower oil cylinder; the lower piston rod of the lower oil cylinder is also suit with a lower limit block and a lower adjusting seat. The lower limit block and the lower adjusting seat are slidably matched with the lower piston rod of the lower oil cylinder, and the lower limit block is supported on the lower adjusting seat. The lower adjusting seat is supported on the piston head; the lower limit block constitutes the jacking-out limit of the lower oil cylinder. The use of powder sinking, effectively prevent the upper die punch down, resulting in the female die around the thin layer of powder splashing.
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