Abstract: A press brake is equipped with an upper table provided so as to be vertically movable at an upper part of a main frame and holding a punch tool on a lower side thereof, and a lower table provided at a lower part of the main frame and holding a die tool on an upper side thereof. A pair of slits extending symmetrically in a lateral direction are formed in the lower table, and an end portion of each slit on an outer side in the lateral direction is opened. An elastic member is provided in the end portion of each slit on the outer side in the lateral direction. The elastic member is configured to be switchable between a load-receiving state for receiving a bending load acting on the lower table and a released state in which the load-receiving state has been released.

Abstract: A laser irradiation apparatus including: a photonic crystal surface emitting laser (PCSEL) element configured to emit a laser beam; a laser head configured to focus the laser beam emitted from the PCSEL element by a focusing lens thereof in an optical transmission path by spatial propagation; and a moving mechanism configured to irradiate the laser beam focused by the focusing lens onto an object to be irradiated with the laser beam at any irradiation position within a Rayleigh length range regardless of a beam waist position of the laser beam in an optical axis direction by a movement of the focusing lens relative to the object to be irradiated along the optical axis direction of the laser beam.

Abstract: A single-sheet lifter includes a base frame arranged in a vicinity of a loading area and extending vertically, a separation unit configured to separate an uppermost workpiece from a plurality of the workpieces loaded in the loading area by means of at least one of an injection pressure of air and a suction force, and a counter balancer configured to reduce a weight acting on the separation unit. The separation unit is provided to the base frame so as to be able to move up and down. The separation unit includes a contact member that comes into contact with a surface of the uppermost workpiece. The separation unit is configured to go up following a lifting operation of a workpiece suction lifter and be retracted from above the loading area when the workpiece suction lifter sucks the surface of the uppermost workpiece to lift the workpiece.

Abstract: A height error of a workpiece holding portion is detected based on a height from a mounting pedestal side floor surface, on which a mounting pedestal is mounted, to a connection point between the workpiece holding portion and an arm unit at a point in time at which contact with a detection target is detected by a surface detection sensor, a height from the mounting pedestal side floor surface to a surface of the detection target, and a theoretical value of a height of the workpiece holding portion, and an actual loading height of a workpiece mounted on the mounting pedestal is detected in consideration of the height error of the workpiece holding portion.

Abstract: A press brake includes elevating members each provided to respective one of a pair of support blocks so as to be able to ascend and descend, and extending vertically. A ball screw is provided to a first elevating member so as to be rotatable, and a nut member to be screwed into the ball screw is provided to a first support block. One end side of a stretch in the lateral direction is connected to an upper end portion of the first elevating member, and the other end side of the stretch in the lateral direction is connected, so as to be rotationally movable, to an upper end portion of a second elevating member. A support mechanism for supporting the stretch from below is provided to the first elevating member, and an abutting member is provided to the stretch.

Abstract: A drawing assistance device acquires image data of a design diagram to detect dimensional information drawn on the image data, detects arrows drawn on the image data, detects a line drawn on the image data, combines the arrows and the line based on positions of the arrows and a position of the line to generate a dimension line, detects a dimension value corresponding to a position of the dimension line from the dimensional information so as to assign the detected dimension value to the dimension line, generates guidelines indicating positions of ends of the dimension line, superposes the guidelines on the image data to display the guidelines on an editing screen, and outputs digital data of the design diagram drawn by the operator on the editing screen on which the guidelines are displayed.

Abstract: An upper tool stocker for detachably supporting a plurality of divided upper tools in a press brake includes a stocker main body extending in a left-right direction, and provided with a left-right directional installing groove, attachment portions provided in upper portions of the divided upper tools being detachably installed in the installing groove, wherein the stocker main body includes a front-back directional cutout communicated with the installing groove to remove the divided upper tools downward or in the front-back direction from the installing groove.

Abstract: An automatic tool changer includes first and second tool change units that is driven respectively by a pair of servo motors and move along an arrangement direction of a plurality of tools installed on a tool installation unit, a torque detection unit that detects a torque of each of the pair of servo motors, and a control device that controls operations of the first and second tool change units. The control device fixes the first tool change unit at a reference position, and moves the second tool change unit toward the first tool change unit. The control device determines, based on a torque change of each servo motor, that a plurality of upper tools are brought together at the first tool change unit as a result of a movement of the second tool change unit.

Abstract: A load collapse detection device in an automated guided vehicle stores information indicating a load collapse detection range adjacent to the automated guided vehicle and information indicating an obstacle detection range in a periphery of the load collapse detection range. acquires a detection result performed by object detection sensors detecting objects in a periphery of the automated guided vehicle while the automated guided vehicle is travelling, detects objects in the load collapse detection range and objects in the obstacle detection range, and when an object in the load collapse detection range is detected, determines that the object has fallen due to load collapse when the object has not been detected in the obstacle detection range before being detected in the load collapse detection range.

Abstract: A tool changer includes a slider provided behind (or in front of) a table of a press brake, and configured to slide in a right-left direction along a tool installation part of the table, a finger provided in the slider, and configured to be inserted into an engagement hole extending through a tool and to move in a front-rear direction, and an engagement member configured to be protruded and retracted relative to an outer peripheral surface of the finger on a tip side, and to be engaged with a peripheral edge portion of the engagement hole of the tool (or an inner stepped portion formed at an intermediate position of the engagement hole).

Abstract: The present invention includes a support arm, a permanent robot hand fixedly provided to the support arm and configured to hold a workpiece placed on a workpiece placement platform, and an extending robot hand configured to hold the workpiece together with the permanent robot hand, in which the present invention is configured to be able to transport the workpiece from the workpiece placement platform and the extending robot hand is configured to be removable.

Abstract: A topology database generates topology data of a plurality of parts. The topology database acquires processing information including a tool name of a use tool and a processing order from a bending processing program of each part, and stores the processing information in association with the topology data. A processing information acquisition unit searches for a similar part with the same topology data as topology data of a processing target part, and acquires the processing information of the similar part. A tool determination unit calculates a range of a tool length which is able to bend each bending line using a tool with a tool name included in the processing information and which does not interfere with the part, and determines the tool with the tool name and a tool length within a range of the tool length as the use tool.

Abstract: A workpiece supply robot configured to be able to transport an uppermost workpiece from a workpiece group stacked on a workpiece mounting table, and a robot control unit are provided. The workpiece supply robot includes a robotic hand for holding the uppermost workpiece, and the robot control unit carries out a holding position specifying process of specifying a holding position of the robotic hand with respect to the workpiece, a nearest neighbor portion specifying process of specifying a portion of the workpiece nearest to the holding position of the robotic hand specified by the holding position specifying process, a pivot center specifying process of specifying, as a pivot center, an opposed portion opposed to the nearest neighbor portion specified by the nearest neighbor portion specifying process, and a robotic hand control process of separating the uppermost workpiece from the workpiece group around the opposed portion specified by the pivot center specifying process.

Abstract: A workpiece separation device includes: a raising/lowering unit from which a plurality of string-like members are hung down in such a way as to be raised and lowered synchronously; a separation unit which is suspended by the plurality of string-like members; a pallet which has a workpiece support on which a rectangular workpiece is placed and is arranged below the separation unit; a first clamp unit which is provided in the separation unit, and holds a first edge portion of the workpiece placed on the workpiece support; a second clamp unit which holds a second edge portion of the workpiece opposite to the first edge portion; and a push-up unit which receives a reaction force from the pallet by pushing a pusher onto the pallet, thereby pushing up the second clamp unit.

Abstract: A protective glass contamination detection device that detects contamination on a protective glass for protecting a focusing lens for focusing a laser beam to irradiate the focused laser beam onto a workpiece includes a scattered light detection unit, an information acquisition unit, a contamination threshold setting unit, and a contamination determination unit. The scattered light detection unit detects scattered light generated by contamination adhered to the protective glass. An information acquisition unit acquires information on processing conditions of a laser processing machine. The contamination threshold setting unit sets a contamination threshold for detecting contamination on the protective glass from a detection value detected by the scattered light detection unit based on processing conditions of the laser processing machine. The contamination determination unit determines a degree of contamination on the protective glass based on the detection value and the contamination threshold.

Abstract: The beam shaper includes a mode conversion device, a collimating lens, and a focusing lens. The mode conversion device refracts, among laser beams of incident divergent light, laser beams incident on an outer peripheral side of a central portion about an optical axis towards the optical axis to emit as outer peripheral side beams, and emits the laser beams incident on the central portion as central beams having an angle of emergence equal to an angle of incidence. A collimating lens converts the outer peripheral side beams and the central beams emitted from the mode conversion device into collimated light. A focusing lens focuses the outer peripheral side beams and the central beams emitted from the collimating lens.

Abstract: Storage units 60, 70 store a first computer program calculating a flow rate of an assist gas with a linear function having a pressure of the assist gas in a processing head 35 as a variable, and a second computer program calculating a slope of the linear function with a function having a gap G from a tip end of a nozzle 36 to a surface of a workpiece W as a variable. A control unit 50 substitutes a value of the gap G into the function to calculate the slope of the linear function and substitutes the slope of the linear function and a value of the pressure of the assist gas into the linear function to calculate the flow rate of the assist gas.

Abstract: A pattern matching unit carries out a pattern matching between a photographed image obtained by photographing a workpiece with a monocular camera and a first plurality of models having a plurality of sizes and a plurality of angles, and selects a model having a size and an angle with the highest degree of matching. A primary detection unit detects a position and an angle of an uppermost workpiece based on the selected model. An actual load height calculation unit calculates an actual load height of the uppermost workpiece based on a hand height. A secondary detection unit re-detects the position and the angle of the uppermost workpiece based on a model having a size and an angle with the highest degree of matching selected by carrying out a pattern matching between the photographed image and a second plurality of models selected or newly created based on the actual load height.

Abstract: A first tool retention member of a first tool exchange unit retains a first tool to be exchanged in a state of being engaged in an engagement hole of the first tool. A second tool retention member of a second tool exchange unit retains a second tool not to be exchanged in a state of being engaged in an engagement hole of the second tool. Subsequently, the first tool exchange unit moves in a left-right direction in a state in which a movement of the second tool exchange unit in the left-right direction is stopped.

Abstract: A gathering operation includes a restraint operation of moving forward a left lower tool retention member so as to restrain a reference lower tool with the left lower tool retention member, an inserting operation of moving forward a right lower tool retention member so as to insert the right lower tool retention member into an insertion hole of a target lower tool, and an execution operation of moving the left and right lower tool retention members along a left-right direction so as to come close with each other. If a failure of the inserting operation is determined, a control device performs a retry operation of moving forward the right lower tool retention member again so as to insert the right lower tool retention member into the insertion hole (141) of the target lower tool after moving backward the left lower tool retention member.