91精品国产91_国产伦精品免费视频_日韩久久一级片_国产精品美女免费看

Patent Operation Platform

Patent

[CN 201610835024.8] Multifunctional hydraulic combined punching and shearing machine and punching and shearing method thereof


[CN 201610835024.8] a multifunctional hydraulic combined punching and shearing machine and its punching and shearing method title: a multifunctional hydraulic combined punching and shearing machine and its punching and shearing method application number: CN 201610835024.8 applicant: Anhui zhongyi machine tool manufacturing co., ltd. application date: 2016-9-20 patent type: invention application the present invention discloses a multifunctional hydraulic combined punching and shearing machine and its punching and shearing method, belonging to the technical field of mechanical processing equipment. The combined punching and shearing machine of the present invention includes a pressing mechanism, a lower die seat pressing mechanism, a rear blocking mechanism, an oil cylinder fixing mechanism and a knife plate matching mechanism; wherein, in the oil cylinder fixing mechanism, the hydraulic oil cylinder and the body of the punching and shearing machine pass The second fastening bolt is connected, and the contact surface of the hydraulic oil cylinder and the body is a pair of matching inclined wedge surfaces; in the knife plate matching mechanism, the knife plate is connected with an eccentric shaft, the movable knife plate is matched with the static knife plate by rotating the eccentric shaft. The invention solves a variety of defects of the existing punching and shearing machine, improves the effect of the use of the punching and shearing machine, and the transformation cost of the existing punching and shearing machine is low and the economic benefit is good.

主站蜘蛛池模板: 在线视频精品一区| 亚洲欧洲国产日韩精品| 日韩精品福利视频| 久久久久久久久久久99| 亚洲国产一区二区在线| 国产99久久久欧美黑人| 欧美老熟妇喷水| 97干在线视频| 国产精品国产亚洲精品看不卡| 久久精品99久久香蕉国产色戒| 日本三级韩国三级久久| 日韩久久久久久久久久久久| 国产欧美一区二区三区久久| 国产美女网站在线观看| 国产一区视频在线| 狠狠色伊人亚洲综合网站色| 久久久国产视频| 久久免费视频网| 久久日韩精品| 久久在线免费观看视频| 久热国产精品视频| 久久精品99久久久久久久久| 久久五月天婷婷| 精品中文字幕视频| 国产综合av一区二区三区| 久久精品亚洲一区| 国产一区二区三区高清视频| 久久久国产成人精品| 久久99精品久久久久子伦| 精品中文字幕在线观看| 国产精品免费入口| 国产精品91一区| 亚洲高清在线观看一区| 日韩色av导航| 免费中文日韩| 国产日韩欧美91| aaa级精品久久久国产片| 亚洲av综合色区| 欧美成人精品三级在线观看| 久久久精品在线视频| 国产精品一区二区免费在线观看|