Kabushiki Kaisha Kobe Seiko Sho

Kobe Steel, Ltd.

Toshio Ujihara

Katsunobu Hagiwara

Masaki Naoi

Hiromi Nakano

Toshio Yanagihara

Takeshi Hatanaka

Toshiyuki Miyamoto

Yoshihiro Hamada

Kenji Sakai

An input shaft of a sealed kneading apparatus and an output shaft of a drive apparatus can be coupled together in a mutually eccentric state of both shafts and the apparatus life is prolonged. A coupling apparatusfor coupling between an input shaftof a batch type kneading apparatusand an output shaftof a drive apparatusfor driving the kneading apparatus, the coupling apparatuscomprising a gear coupling section, the gear coupling sectionbeing capable of coupling the input shaftof the batch type kneading apparatusand the output shaftof the drive apparatuswith each other in a mutually eccentric state of both shafts, gearsmeshing with other so as to slide relatively in the face width direction with rotation of the gear coupling section, and an oil bath type lubricating sectionfor lubricating the gears

Coupling apparatus and kneading equipment having kneading apparatus and drive apparatus coupled together through the coupling apparatus

A roller head extruder unit includes an extruder unit, a pair of calender rollers arranged forward of an exit opening of the extruder unit and supported for rotation by a support frame mounted securely with respect to the extruder unit, and side guides arranged on either side of a space between the exit opening of the extruder unit and the calender rollers to thereby define a bank into which material for rolling is extruded. At least one of the upper and lower rollers is mounted for rotation in a roller housing supported by the support frame for limited movement in a direction perpendicular to the axis of the upper and lower rollers. The roller head extruder unit also includes a detection device for detecting the force with which this roller housing is caused to move as a result of accumulation of material in the bank.

Roller head extruder unit

A bank quantity adjusting device for an extruder capable of accurately controlling a bank quantity regardless of a difference in composition of a material to be extruded. The bank quantity adjusting device includes a pressure sensor 13 for detecting a bank pressure between an outlet 7 of an extruder body 1 provided with material extruding screws 3 and a roller die 2 provided before the outlet 7, and a control device 15 for controlling one or both of a screw speed and a roller die speed according to a difference between the bank pressure detected by the pressure sensor 13 and a set target pressure. The bank quantity adjusting device further includes bank quantity detector 14 for detecting a bank quantity between the outlet 7 and the roller die 2, and a processor 16 provided in the control device 15 for obtaining a correlation between the bank quantity and the bank pressure from a detection value of the bank quantity detected by the bank quantity detector 14 and a detection value of the bank pressure detected by the pressure sensor 13 upon detection of the bank quantity, converting a target value of the bank quantity into a pressure value by using the correlation obtained above, and setting this pressure value to the above target pressure.

Bank quantity adjusting device for extruder

A hydraulic control device for a closed type kneader, including a sealing surface pressure applying circuit for applying a sealing surface pressure to a sealing device for sealing a rotor accommodated in a kneading chamber, a drop door driving circuit for controlling an opening and closing operation of a drop door for closing a bottom surface of the kneading chamber, and a power circuit for supplying a pressure oil to the sealing surface pressure applying circuit and the drop door driving circuit. The sealing surface pressure applying circuit is connected to a pressure oil supply line in the drop door driving circuit for a closed condition of the drop door. Accordingly, when the application of the sealing surface pressure is unnecessary, that is, when the drop door is opened, the sealing surface pressure is prevented from being applied to the sealing device, thereby extending the life of the sealing device.

Growing community of inventors

Takasago, Japan

Toshio Ujihara