Patents Assigned to Yushin Precision Equipment Co., Ltd.
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Patent number: 12049036Abstract: A method of estimating a normal vector to an attachment mounted to an approach frame of an apparatus for taking out a molded product and a normal vector to a die mounted to a molding machine is provided. A normal vector to a take-out head is estimated through computation using a coordinate/depth determination section and a normal vector computation section on the basis of depth data or coordinate data on three mounting members. Three or more extending portions are specified from the image, the extending portions being each a part of a fixed die or a movable die or a part of a surrounding component and extending in a direction that coincides with the open direction for the dies. A normal vector to the die is estimated through computation on the basis of the depth data or coordinate data on the specified extending portions.Type: GrantFiled: March 29, 2021Date of Patent: July 30, 2024Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Kazutaka Ando
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Patent number: 12030181Abstract: The three-dimensional geometry of an attachment is measured before work is started. A maximum dimension of a take-out head 60 in the X direction, a maximum dimension of the take-out head 60 in the Y direction, and a maximum dimension of the take-out head 60 in the Z direction are measured on the basis of an image of the take-out head 60 captured by at least imaging devices C11 and C12 before the take-out head 60 starts work with the take-out head 60 being mounted to an elevating frame 59B of an apparatus 5 for taking out a molded product, as an orthogonal three-axis robot.Type: GrantFiled: March 26, 2021Date of Patent: July 9, 2024Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Kazutaka Ando, Fumitake Watanabe
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Patent number: 11986985Abstract: A cycle time administration section 3 of an apparatus for taking out a molded product of the present invention includes: a measurement section 5 for measuring a cycle time for every one cycle of taking out a molded product; a setting and storing section 7 for setting and storing a target cycle time; a comparison section 9 for comparing the measured cycle time and the target cycle time for every one cycle; a counting section 11 for counting the number of times that the measured cycle times consecutively exceed target time, following the measured cycle time that has first exceeded the target cycle time, if it is determined that the measured cycle time has exceeded the target cycle time as a result of the comparing; and an outputting section 13 for outputting a detection signal if the counted number of times is more than n times.Type: GrantFiled: November 29, 2021Date of Patent: May 21, 2024Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventor: Sanai Kubo
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Patent number: 11911943Abstract: There are provided an apparatus for taking out a molded product that allows a physical amount such as the mass of the taking portion to be easily acquired with a relatively simple configuration. A posture reversing mechanism is provided between the elevating arm and the taking portion to change the direction of the taking portion between an unreversed state in which the taking portion is directed to be able to take hold of the molded product molded in the die, and a reversed state in which the length of the taking portion in the vertical direction is shorter than that in the unreversed state. A sensor detects vibration of the elevating arm. A mass estimating section estimates the mass of the taking portion on the basis of vibration of the elevating arm detected by the sensor when the taking portion is in the reversed state.Type: GrantFiled: September 19, 2022Date of Patent: February 27, 2024Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventor: Koji Minami
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Patent number: 11228649Abstract: There are provided a molded product manufacturing system that can be easily adapted to IoT and an apparatus for taking out a molded product that can promote adaptation of the molded product manufacturing system to IoT. A molded product manufacturing system includes an injection molding machine, an apparatus for taking out a molded product, and one or more peripheral devices arranged around the apparatus to operate together during operation of the apparatus. The apparatus includes a communication unit operable to transmit internal data to an external server via a communication network. The communication unit of the apparatus transmits external data, which is output from the one or more peripheral devices, to external servers together with information on a die.Type: GrantFiled: September 11, 2019Date of Patent: January 18, 2022Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Mitsuharu Hamahata, Koji Ikeda, Ryuichi Kanazawa
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Patent number: 10987834Abstract: There is provided an apparatus for taking out a molded product, the apparatus being capable of suppressing displacement vibration of an attachment mounted at a leading end of an approach frame by means of active control using an electromagnetic actuator that has necessary power. One or more electromagnetic actuators are disposed at a portion of the approach frame, positioned opposite to the attachment with respect to a movable base. An active vibration suppressing system suppresses the displacement vibration of the attachment by causing the one or more electromagnetic actuators to generate a vibration in the same phase as the displacement vibration of the attachment.Type: GrantFiled: July 19, 2019Date of Patent: April 27, 2021Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Kazutaka Ando, Atsushi Shirasaki
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Teaching method for system for taking out molded product and apparatus for taking out molded product
Patent number: 10976727Abstract: An image display device displays an image such that a pair of reference symmetric structure portions, e.g. a pair of guide pins, are included in a captured image displayed on a display section, the pair of reference symmetric structure portions being located symmetrically with respect to a second virtual plane which extends in the opening direction and the vertical direction and includes a virtual center line of the molding apparatus which extends in the opening direction. A teaching execution section is used to determine the lateral position of an approach frame in the take-out operation by changing the position of the approach frame such that the center of an imaging range is located at a middle position between the pair of reference symmetric structure portions included in the captured image.Type: GrantFiled: September 10, 2020Date of Patent: April 13, 2021Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Atsushi Shirasaki, Kazutaka Ando -
Patent number: 10603829Abstract: An apparatus for taking out a molded product is provided, the apparatus being capable of suppressing displacement vibration of an attachment mounted at a leading end of each of one or more approach frames by active control using one or more electromagnetic actuators. The apparatus includes an active vibration suppressing system. One or more electromagnetic actuators are mounted to the attachment of each approach frame or each approach frame.Type: GrantFiled: December 6, 2016Date of Patent: March 31, 2020Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Atsushi Shirasaki, Takayo Kotani
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Patent number: 10486342Abstract: There is provided an apparatus for taking out a molded product, the apparatus being capable of suppressing displacement vibration of an attachment mounted at a leading end of an approach frame by means of active control using an electromagnetic actuator that has necessary power. One or more electromagnetic actuators are disposed at a portion of the approach frame, positioned opposite to the attachment with respect to a movable base. An active vibration suppressing system suppresses the displacement vibration of the attachment by causing the one or more electromagnetic actuators to generate a vibration in the same phase as the displacement vibration of the attachment.Type: GrantFiled: December 19, 2017Date of Patent: November 26, 2019Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Kazutaka Ando, Atsushi Shirasaki
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Patent number: 10442079Abstract: There is provided a mounting structure for an apparatus for taking out a molded product, the mounting structure being configured to reduce a burden imposed on a worker required to mount the apparatus for taking out a molded product. Upright wall portions of a pair of side plates are formed with a work window. Extended wall portions are formed with a work assist window. The work window is formed to have a size that allows a worker, who is at a location at which the worker can insert bolts into three through holes in a first through hole row, to insert bolts into three through holes in a second through hole row without changing the worker's location.Type: GrantFiled: December 19, 2017Date of Patent: October 15, 2019Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Ryo Ohta, Yoshiyuki Tokuyama, Hiroyuki Arai, Takayo Kotani
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Patent number: 10377072Abstract: An apparatus for taking out a molded product that is capable of suppressing displacement vibration of an attachment in a shorter time than ever without using a large-scaled electric actuator. An active controller starts active control after the amplitude of displacement vibration of the take-out head as an attachment has been attenuated to a predetermined setting by means of positioning control by a servomotor or when the amplitude can be considered as having been attenuated to the predetermined setting. The positioning control is first performed by the servomotor, and then the active control is performed by the active controller using an electric actuator which is light in weight and small in size.Type: GrantFiled: August 14, 2017Date of Patent: August 13, 2019Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Atsushi Shirasaki, Koji Tachibana
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Patent number: 10377059Abstract: An apparatus for taking out a molded product that is capable of suppressing displacement vibration of an attachment in a shorter time than ever without using a large-scaled electric actuator. An active controller performs active control in conjunction with the positioning, control by the servomotor. At the beginning of the active control, the positioning control is primarily performed by the servomotor, and then the active control is positively performed by the active controller using an electric actuator. Compared with when only the active control is performed for vibration suppression, a lighter and smaller electric actuator can be employed.Type: GrantFiled: August 16, 2017Date of Patent: August 13, 2019Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Fumitake Watanabe, Atsushi Shirasaki, Koji Tachibana
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Patent number: 10086546Abstract: An apparatus for taking out a molded product, includes: a transverse frame disposed above a resin injection molding machine to extend in a transverse direction, which is orthogonal to a longitudinal direction; an orthogonal frame supported by the transverse frame so as to be movable at least in the transverse direction; a vertical arm provided at the orthogonal frame so as to be movable up and down at least in the vertical direction; and a holding member provided at a distal end portion of the vertical arm to hold a resin molded product formed by the resin injection molding machine. The vertical arm is disposed so as to be inclined such that the axis line of an elevating shaft of the vertical arm forms an acute angle with respect to a perpendicular extending in the vertical direction.Type: GrantFiled: September 25, 2015Date of Patent: October 2, 2018Assignee: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Yoshiyuki Tokuyama, Satoshi Jo, Ryo Ohta, Mitsuharu Hamahata, Takayuki Mori
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Patent number: 8678803Abstract: Provided herein is an apparatus for taking out a molded product that can inform a user of the air consumption and the electric power consumption matching the set conditions without using measuring devices and that allows the user to set conditions that reduces the total energy consumption. A consumption computing section computes an air consumption and an electric power consumption per one molding cycle based on conditions set for a plurality of air driven devices and conditions set for a plurality of electric devices input from a controller and individual air consumption information and individual electric power consumption information stored in a consumption information storage section. A display control section causes a display section to display the air consumption and the electric power consumption computed by the consumption computing section.Type: GrantFiled: June 29, 2012Date of Patent: March 25, 2014Assignee: Yushin Precision Equipment Co., Ltd.Inventors: Satoshi Jo, Hidekazu Ito
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Patent number: 8678811Abstract: An apparatus for taking out a molded product that can effectively suppress peeling of a cured adhesive applied to fix a fiber-reinforced plastic shaped material to each of a pair of opposed sidewalls of an elevating shaft, the sidewalls being opposite each other in a direction orthogonal to the axial direction of the elevating shaft. A fiber-reinforced section of the fiber-reinforced plastic shaped material is formed of a plurality of warp threads and a plurality of weft threads, which are disposed on a surface of the sidewalls of the elevating shaft such that the plurality of warp threads are juxtaposed in a direction orthogonal to the axial direction of the elevating shaft and extend in the axial direction and the plurality of weft threads are juxtaposed in the axial direction and extend in a direction intersecting the axial direction.Type: GrantFiled: June 28, 2012Date of Patent: March 25, 2014Assignee: Yushin Precision Equipment Co., Ltd.Inventors: Takeshi Hashimoto, Yoshiyuki Tokuyama
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Publication number: 20130004613Abstract: An apparatus for taking out a molded product that can effectively suppress peeling of a cured adhesive applied to fix a fiber-reinforced plastic shaped material to each of a pair of opposed sidewalls of an elevating shaft, the sidewalls being opposite each other in a direction orthogonal to the axial direction of the elevating shaft. A fiber-reinforced section of the fiber-reinforced plastic shaped material is formed of a plurality of warp threads and a plurality of weft threads, which are disposed on a surface of the sidewalls of the elevating shaft such that the plurality of warp threads are juxtaposed in a direction orthogonal to the axial direction of the elevating shaft and extend in the axial direction and the plurality of weft threads are juxtaposed in the axial direction and extend in a direction intersecting the axial direction.Type: ApplicationFiled: June 28, 2012Publication date: January 3, 2013Applicant: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Takeshi Hashimoto, Yoshiyuki Tokuyama
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Publication number: 20130004609Abstract: Provided herein is an apparatus for taking out a molded product that can inform a user of the air consumption and the electric power consumption matching the set conditions without using measuring devices and that allows the user to set conditions that reduces the total energy consumption. A consumption computing section computes an air consumption and an electric power consumption per one molding cycle based on conditions set for a plurality of air driven devices and conditions set for a plurality of electric devices input from a controller and individual air consumption information and individual electric power consumption information stored in a consumption information storage section. A display control section causes a display section to display the air consumption and the electric power consumption computed by the consumption computing section.Type: ApplicationFiled: June 29, 2012Publication date: January 3, 2013Applicant: YUSHIN PRECISION EQUIPMENT CO., LTD.Inventors: Satoshi Jo, Hidekazu Ito
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Patent number: 7740124Abstract: A grasping device can be provided on a conveyor which conveys works produced by a production facility or a work subjected to in-mold forming from a work-grasping position to a work-releasing position. The example of a grasping device can include a base at the side of the conveyors and a grasping part which is extended from the base and provided with a plurality of grasping heads. The example of a grasping part can include a group of branches having a plurality of diverged and extended branches, specific branches most apart from the base each being small in weight (being light) at utmost end side.Type: GrantFiled: September 25, 2008Date of Patent: June 22, 2010Assignee: Yushin Precision Equipment Co., Ltd.Inventors: Megumi Kita, Hideki Suzutani
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Patent number: 5614146Abstract: A label L is supplied to an inner surface of a fixed die 6 of an injection molding machine 5. The label is taken from a known label supply device 1 by air suction onto the outer periphery of a pseudo core 2. The pseudo core 2 is pivotally moved from the supply The label is then inserted into the opened fixed die 6 and is stopped at a label delivering position. At this position the label is supplied onto an inner peripheral surface (label retaining part 6a) of the fixed die 6 by air supplied from the air supply device 4B.Type: GrantFiled: November 14, 1995Date of Patent: March 25, 1997Assignees: Sumitomo Heavy Industries, Ltd., Yushin Precision Equipment Co., Ltd.Inventors: Akio Nakamura, Noboru Tsukuda, Shinichiro Matsushima