Dmg Mori Company Limited

Alps Tool Co., Ltd.

Tatsuhiko Kuriya

Koji Fujimoto

Katsuhito Miyahara

Hiroshi Shimanoe

Kento Komine

Shuji Miyairi

Osamu Kameo

Atsushi Tokuhara

Keiichi Kiriyama

Masayoshi Tanaka

A machine tool () removes chips adhering to a working portion of a tool (T). More specifically, a fluid injecting nozzle () injects a fluid toward the tool (T) enclosed in an enclosure (). A controller () controls a position of the tool (T) within the enclosure (), and further controls operation of the fluid injecting nozzle () such that the fluid is injected when the tool (T) is within the enclosure ().

Machine tool

A workpiece information recognition system includes a workpiece placing tool () capable of placing a workpiece, a reference block () detachably provided on workpiece placing tool (), an information detector configured to detect information about reference block (), and a control device configured to receive the information of reference block () from the information detector. The control device includes a storage configured to store data on a relationship between the information about reference block () and information about the workpiece and a controller configured to recognize the information about the workpiece placed on workpiece placing tool () by checking the information about reference block () detected by the information detector with the data stored in the storage. With this configuration, the workpiece information recognition system capable of easily cope with a change in a type of the workpiece is provided.

Workpiece information recognition system

This invention provides a machine tool capable of easily and quickly attaching/detaching a tool holder while reliably holding the tool holder, including at least two clamp holes () that receive pins () extending through at least two through holes () provided in a tool holder (), at least two tubular clamp sleeves () fitted in the at least two clamp holes (), respectively, and each including a flexible trunk portion (), a fluid encapsulating chamber that encapsulates a fluid, a channel extended from the fluid encapsulating chamber to an outer peripheral surface of the flexible trunk portion, and a pressure adjusting portion that adjusts a pressure of the fluid in the fluid encapsulating chamber, wherein a clamp fastening force is made to act on the pins () in synchronism with an increase or a decrease in the fluid pressure in the fluid encapsulating chamber.

Tool attachment/detachment device and machine tool

A machine tool can perform a turning process using a fixed tool and a milling process using a rotating tool. The machine tool includes: a tool spindle having an air supply portion, for rotating the rotating tool; a lower tool rest for mounting a plurality of fixed tools thereon; a tool holder having a tapered surface restraining a tool, and attached to the lower tool rest, for detachably holding the tool; an automatic tool changer; and a special tool mounted on the tool spindle, into which the air is introduced from the air supply portion. When the tool is automatically changed by the automatic tool changer, the special tool mounted on the tool spindle is coupled to the tool holder, and the air from the air supply portion is supplied to the tapered surface through the special tool.

An automatic tool changer (ATC) serves as an ATC for automatically changing a tool attached to a lower tool rest of a machine tool. The ATC includes a robot arm and a movement mechanism unit moving the robot arm between inside and outside of a machining area. The robot arm has a base unit coupled to the movement mechanism unit, an arm unit pivotably coupled to the base unit, and a gripping unit provided in the arm unit and detachably gripping the tool. The arm unit is formed to extend in an arm shape from the base unit toward the gripping unit, and swings on a pivot axis as a fulcrum relative to the base unit. By such a configuration, an ATC implementing an automatic change of a tool by a simple and compact mechanism and a machine tool including such an ATC are provided.

Automatic tool changer and machine tool

A machine tool includes: a lower tool rest on which a plurality of tools are mounted; a motor provided at the lower tool rest, for rotating a rotating tool when the rotating tool is mounted on the lower tool rest; and a tool holder attached to the lower tool rest, for detachably holding the tool. The tool holder has a clamping mechanism portion operating between a clamping state of clamping the tool and an unclamping state of unclamping the tool, as a result of transmission of motive power generated at the motor. With such a configuration, the clamping mechanism portion for automatically clamping and unclamping the tool held in the tool holder on the tool rest is provided with a simple configuration.

A workpiece discharge device for a machine tool is provided with a container, which is mounted on a turret and receives a workpiece held by a spindle from a receiving port, and a storage box, which stores the workpiece inside the container by using a revolution of the turret and passing through a chute. The container is mounted on the turret and is capable of swinging around a swinging shaft which is parallel to a revolving axis of the turret, and the receiving port is arranged to direct vertically upward in a predetermined indexing angle range of the container when the workpiece is received.

Growing community of inventors

Yamatokoriyama, Japan

Tatsuhiko Kuriya