Smc Corporation

Smc Kabushiki Kaisha

Kengo Monden

Youji Takakuwa

Hiroyuki Asahara

Kazutaka Someya

Akihiro Kazama

Seiichi Nagura

Mitsuru Machijima

Kenta Onuki

Shinichiro Nemoto

Masahiko Kawakami

Yuu Mizutani

Masayuki Kudo

Sho Aso

Naoki Shinjo

Shinichi Yoshimura

Kazuhiro Noguchi

Eiko Miyasato

Junya Kaneko

Masayuki Ishikawa

Atsushi Fujiwara

Aki Iwamoto

Junji Itabashi

Takumi Matsumoto

Soichi Sato

Yoshiyuki Takada

Akira Hiroki

Mariko Kessoku

A flow rate controller and a drive device are provided with a cylinder flow passage connected to an air cylinder; a main flow passage for supplying air to and discharging air from the air cylinder; an auxiliary flow passage that has a first throttle valve and through which exhaust air discharged from the air cylinder passes with a smaller flow rate than that of the main flow passage; a switch valve that switches between a first position in which the cylinder flow passage communicates with the main flow passage and a second position in which the cylinder flow passage communicates with the auxiliary flow passage; and a pilot air adjustment part that guides a portion of the exhaust air from the air cylinder as pilot air to the switch valve.

Flow rate controller and drive device equipped with same

The present invention pertains to an air cylinder () in which flow rate controllers (A) are built into a head cover () and a rod cover (), said flow rate controllers (A) being provided with a first flow rate adjustment part () connected between a port () and a cylinder chamber (), a second flow rate adjustment part () provided adjacent to the first flow rate adjustment part (), and a pilot check valve () connected in series to the second flow rate adjustment part (). In response to the pressure of pilot air, the pilot check valve () switches between a state in which the passage of exhaust air from the cylinder chamber () is permitted and a state in which the passage of exhaust air is prevented.

Air cylinder, head cover, and rod cover

A flow rate controller and a drive device are provided with a first flow passage connected between an operation switching valve and an air cylinder, and that supplies air to and discharges air from a cylinder chamber of the air cylinder; a first flow rate adjustment part provided in the first flow passage; a second flow passage adjacent to the first flow passage; a pilot check valve provided at a point along the second flow passage; a second flow rate adjustment part connected in series to the pilot check valve at a point along the second flow passage; a pilot air flow passage, one end of which communicates with the operation switching valve and the other end of which is connected to a pilot port of the pilot check valve; and a third flow rate adjustment part provided in the pilot air flow passage.

Flow rate controller and drive device

An air cylinder in which a flow rate controller is built in, has a head cover and a rod cover. A pilot air adjustment unit guides exhaust air to a switch valve of the flow rate controller as pilot air, and the switch valve is switched by an increase in the pressure of the pilot air.

In a flow rate controller and a drive device, a housing is provided therein with a first flow passage, a second flow passage adjacent to the first flow passage, a first throttle valve provided to the first flow passage, and a second throttle valve provided to the second flow passage. A pilot check valve is provided to the second flow passage and is connected in series to the second throttle valve. A pilot air flow passage communicates with a pilot port of the pilot check valve for supplying and discharging pilot air, and a third throttle valve is provided to the pilot air flow passage. In response to the pressure of the pilot air, the pilot check valve switches between a state in which the passage of exhaust air discharged from an air cylinder is permitted and a state in which passage of the exhaust air is prevented.

Booster regulator

A pressure booster includes a pressure boosting unit and a bypass unit. The pressure boosting unit includes an input port connected to the side of a fluid supply source and an output port connected to the side of a tank. The pressure boosting unit boosts the pressure of a pressurized fluid supplied to the input port and outputs the pressure-boosted pressurized fluid from the output port. The bypass unit includes a bypass flow path having one end connected to the fluid supply source side and the other end connected to the output port side. The bypass flow path is provided with a bypass check valve configured to block the flow of the pressurized fluid from the output port side to the fluid supply source side.

Pressure booster

A main flow path that introduces high-pressure air to an air cylinder, or discharges exhaust air therefrom, includes a sub flow path provided alongside the main flow path; an exhaust flow rate adjustment unit that suppresses the operation speed of the air cylinder by adjusting the flow rate of the exhaust air flowing through the sub flow path; and a switching valve that is connected between the air cylinder, the main flow path and the sub flow path, and that connects the main flow path and the sub flow path to the air cylinder in a switching manner. The switching valve is constituted by a spool valve.

Flow rate controller and drive device comprising same

A pressure booster having arranged therein drive cylinders on both sides of a boosting cylinder is provided with a pair of pilot valves that are actuated when pistons of the drive cylinders abut against the moving ends thereof. A pair of actuation valves switch the supply state of a pressure fluid to pressure chambers of the drive cylinders. When the pilot valves are actuated, the pressure fluid passes through the pilot valves and is supplied to the pair of actuation valves, and the supply state of the pressure fluid is switched.

A fluid pressure cylinder driving device includes a switch valve, a high pressure air supply source, an exhaust port and a check valve. When the switch valve is at a first position, a head side cylinder chamber communicates with the high pressure air supply source, and a rod side cylinder chamber communicates with the exhaust port. When the switch valve is at a second position, the head side cylinder chamber communicates with the rod side cylinder chamber via the check valve, and the head side cylinder chamber communicates with the exhaust port.

Driving method and driving device of fluid pressure cylinder

A cylinder main body of a fluid pressure cylinder includes a switch valve, a check valve, and a flow path communicating a high pressure air supply source with a head side cylinder chamber and communicating an exhaust port with a rod side cylinder chamber when the switch valve is at a second position. Another flow path communicates the head side cylinder chamber with the rod side cylinder chamber and the exhaust port when the switch valve is at the first position.

Fluid pressure cylinder

When a fluid is supplied to a first pressure-boosting chamber and/or a second pressure-boosting chamber of a pressure booster, either a first electromagnetic valve unit supplies a fluid discharged from a first pressurizing chamber to a second pressurizing chamber, or a second electromagnetic valve unit supplies a fluid discharged from a third pressurizing chamber to a fourth pressurizing chamber.

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Ushiku, Japan

Kengo Monden