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

[CN201720974901.X] Inner press


[CN201720974901.X] Internal Press Title: Internal Press Application Number: CN201720974901.X Applicant: Weifang Gaomin Machinery Manufacturing Co., Ltd. Application Date: 2017-8-4 Patent Type: Utility Model The utility model proposes an internal press, including an arched frame, an upper pressure platform and a lower pressure platform are arranged in the arched frame, the lower pressure platform is fixedly arranged, and four arched guide rails can be arranged up and up and down in the arched, the upper pressure platform can move along four guide rails. The top center of the upper pressure platform is connected with a pressurizing plunger. Both sides of the pressurizing plunger are respectively provided with a lifting piston. The pressurizing plunger and the lifting piston are both connected with the hydraulic oil tank through an oil pipe. The bottom of the upper pressure platform is provided with an upper mold groove, the lower pressure platform is provided with a lower mold groove, and both sides of the lower mold groove are respectively provided with an inflatable pressurizing device and a plug sealing device. The inner press through the upper mold groove down and the lower mold groove buckle to form a mold space, inflatable pressure device and plug sealing device work to make the pipe pressure expansion limited to form a given processing shape, higher efficiency, better product consistency, at the same time, the pressure platform lifting is more stable.

主站蜘蛛池模板: 欧美在线亚洲一区| 热久久精品国产| 日本精品久久久久久久久久| 欧美一区二视频在线免费观看 | 电影午夜精品一区二区三区| 欧美精品在线一区| 欧美老熟妇喷水| 久久精品99久久| 国产日韩在线播放| 国产精品美女av| 久久久久久久久久婷婷| 97成人精品视频在线观看| 国产精品永久在线| 中文字幕一区综合| 欧美精品中文字幕一区二区| 久久久免费精品| www.欧美日本| 久久亚洲午夜电影| 国产精品激情av在线播放| 一区中文字幕在线观看| 奇米一区二区三区四区久久| 热久久99这里有精品| 日本一区免费| 日本一区二区在线播放| 久久国产午夜精品理论片最新版本| 欧美国产日韩在线播放| 国产精品免费久久久| 欧美成在线观看| 中文字幕日韩精品无码内射| 久久久人人爽| 欧美日韩一道本| 亚洲综合五月天| 国产精品第10页| 国产日本欧美视频| 中文字幕日韩一区二区三区| 国产精品日韩欧美| 国产精品专区在线| 久久久91精品国产| 久久精品国产欧美亚洲人人爽| 午夜免费日韩视频| www.精品av.com|