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1. 发明授权

US11084088B2 Core manufacturing apparatus 有权
公开(公告)号：US11084088B2
公开(公告)日：2021-08-10
申请号：US17026524
申请日：2020-09-21
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Naoya Kajita , Junji Asano , Masahiro Umeda , Shota Nagashima , Masaomi Mitsutake
IPC分类号： B22C5/14 , B22C5/04 , B22C9/10 , B22C15/08
摘要： A core manufacturing apparatus includes: a storage unit that stores core sand; a kneading vessel configured to be fed with the core sand; a kneading rod configured to knead the core sand; and a piston configured to eject the kneaded core sand. The kneading vessel is capable of transitioning between a horizontally lying state and a vertically standing state and configured to be fed with the core sand in the horizontally lying state. The piston is configured to eject the core sand downward and pack it into a mold with the kneading vessel in the vertically standing state. The storage unit includes a valve that opens and closes the feed port. The storage unit is coupled to the kneading vessel so as to be turnable around a second shaft and configured to maintain the same posture with the valve in contact with the feed port while the kneading vessel turns.

2. 发明公开

US20240326118A1 FOUNDRY SAND RESERVING METHOD AND FOUNDRY SAND RESERVING SYSTEM 审中-公开
公开(公告)号：US20240326118A1
公开(公告)日：2024-10-03
申请号：US18610325
申请日：2024-03-20
申请人： SINTOKOGIO, LTD.
发明人： Takashi HANAI , Yuichi OGURA
IPC分类号： B22C5/14
CPC分类号： B22C5/14
摘要： A foundry sand reserving method includes reserving, acquiring, setting, and controlling. The reserving includes reserving foundry sand capable of being supplied to a foundry sand related device in at least one reserving unit. The acquiring includes acquiring a reserve amount of the foundry sand in at least one reserving unit, a charge amount of the foundry sand to the reserving unit, and a supply amount of the foundry sand to a foundry sand related device. The setting includes setting a threshold for the reserve amount based on a predetermined aging time of the foundry sand and the charge amount and the supply amount acquired in the acquisition step. The controlling includes controlling at least one selected from the group consisting of the charge amount and the supply amount based on the reserve amount acquired in the acquiring step and the threshold set in the setting step.

3. 发明申请

US20210362215A1 Unidirectional or Bidirectional Sand Dispensing Device 有权
公开(公告)号：US20210362215A1
公开(公告)日：2021-11-25
申请号：US16617517
申请日：2019-05-24
申请人： Kocel Intelligent Machinery Limited
发明人： Fan Peng , Bao Yang , Jiejun He , Yunlong Xu , Yantao Wang
IPC分类号： B22C5/14 , B33Y30/00 , B33Y80/00
摘要： A unidirectional or bidirectional sand dispensing device, including a discharge port (10), the discharge port includes a lower plate (11) and an upper plate (12), the upper plate is provided above the lower plate, an included angle between a horizontal plane and a straight line where an endpoint of a free end of the upper plate and an endpoint of a free end of the lower plate are located is a leakage angle (13), that is to say, a particulate material forms an inclined plane between the upper plate and the lower plate, and an included angle between the inclined plane and the horizontal plane is the leakage angle, which can be adjusted by changing relative positions of the upper plate and the lower plate. The direction of an opening of the sand passing passage is opposite to a moving direction during the sand dispensing operation. When the sand dispensing operation is stopped, the leakage angle is less than or equal to the static repose angle of the particulate material, and is greater than or equal to zero, which ensures that the particulate material will not slide down, and the phenomenon of sand leakage is eliminated. When the sand dispensing operation is being carried out, the leakage angle is greater than or equal to the dynamic repose angle of the particulate material, which ensures that the particulate material will slide down along the inclined plane and that the sand is dispensed relatively uniformly.

4. 发明授权

US2569085A Hopper, with valve closure having vibrator therein, for sand and other divided material 失效
标题翻译：料斗，其中具有振动器的阀门关闭，用于沙子和其他分开的材料
公开(公告)号：US2569085A
公开(公告)日：1951-09-25
申请号：US61032845
申请日：1945-08-11
申请人： HOWARD WOOD DAVID , JAMES ROE HERBERT
发明人： HOWARD WOOD DAVID , JAMES ROE HERBERT
IPC分类号： B22C5/14 , B65D88/28 , B65D88/66 , B65D90/62
CPC分类号： B22C5/14 , B65D88/28 , B65D88/66 , B65D90/626

5. 发明授权

US11229946B2 Water injection and kneading system for green molding sand 有权
公开(公告)号：US11229946B2
公开(公告)日：2022-01-25
申请号：US16481440
申请日：2017-11-16
申请人： SINTOKOGIO, LTD.
发明人： Yuichi Ogura , Hisashi Harada
IPC分类号： B22C5/04 , B22C5/14 , B22C5/18
摘要： A water supply and kneading system for green sand, including: a weighing hopper that stores green sand that has been weighed; a kneading machine that kneads the green sand and water; a sand loading means for releasing the green sand in the weighing hopper into the kneading machine, or shutting off the release; a water supply device that supplies water to the green sand in the kneading machine; a moisture sensor that includes a pair of electrodes and measures the moisture content of the green sand stored in the weighing hopper by measuring an electric potential difference between the electrodes; and a kneading control device that controls the amount of water supplied by the water supply device and controls the sand loading means on the basis of the output of the moisture sensor.

6. 发明申请

US20210187592A1 CORE MANUFACTURING APPARATUS 有权
公开(公告)号：US20210187592A1
公开(公告)日：2021-06-24
申请号：US17026524
申请日：2020-09-21
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： Naoya KAJITA , Junji ASANO , Masahiro UMEDA , Shota NAGASHIMA , Masaomi MITSUTAKE
IPC分类号： B22C5/14 , B22C15/08 , B22C9/10 , B22C5/04
摘要： A core manufacturing apparatus includes: a storage unit that stores core sand; a kneading vessel configured to be fed with the core sand; a kneading rod configured to knead the core sand; and a piston configured to eject the kneaded core sand. The kneading vessel is capable of transitioning between a horizontally lying state and a vertically standing state and configured to be fed with the core sand in the horizontally lying state. The piston is configured to eject the core sand downward and pack it into a mold with the kneading vessel in the vertically standing state. The storage unit includes a valve that opens and closes the feed port. The storage unit is coupled to the kneading vessel so as to be turnable around a second shaft and configured to maintain the same posture with the valve in contact with the feed port while the kneading vessel turns.

7. 发明授权

US2658603A Apparatus for handling granular material 失效
公开(公告)号：US2658603A
公开(公告)日：1953-11-10
申请号：US14114550
申请日：1950-01-28
申请人： WESTERN ELECTRIC CO
发明人： FERNALD RUSSELL G
IPC分类号： B22C5/14
CPC分类号： B22C5/14 , Y10S241/10 , Y10S241/30

8. 发明授权

US2571710A Molding sand handling machine 失效
标题翻译：成型砂处理机
公开(公告)号：US2571710A
公开(公告)日：1951-10-16
申请号：US15028950
申请日：1950-03-17
申请人： F J MCCARTHY INC
发明人： GREELEY LEO O
IPC分类号： B22C5/14
CPC分类号： B22C5/14

9. 发明授权

US11524331B2 Unidirectional or bidirectional sand dispensing device 有权
公开(公告)号：US11524331B2
公开(公告)日：2022-12-13
申请号：US16617517
申请日：2019-05-24
申请人： Kocel Intelligent Machinery Limited
发明人： Fan Peng , Bao Yang , Jiejun He , Yunlong Xu , Yantao Wang
IPC分类号： B22C9/02 , B33Y30/00 , B22C5/14 , B33Y80/00
摘要： A unidirectional or bidirectional sand dispensing device, including a discharge port (10), the discharge port includes a lower plate (11) and an upper plate (12), the upper plate is provided above the lower plate, an included angle between a horizontal plane and a straight line where an endpoint of a free end of the upper plate and an endpoint of a free end of the lower plate are located is a leakage angle (13), that is to say, a particulate material forms an inclined plane between the upper plate and the lower plate, and an included angle between the inclined plane and the horizontal plane is the leakage angle, which can be adjusted by changing relative positions of the upper plate and the lower plate. The direction of an opening of the sand passing passage is opposite to a moving direction during the sand dispensing operation. When the sand dispensing operation is stopped, the leakage angle is less than or equal to the static repose angle of the particulate material, and is greater than or equal to zero, which ensures that the particulate material will not slide down, and the phenomenon of sand leakage is eliminated. When the sand dispensing operation is being carried out, the leakage angle is greater than or equal to the dynamic repose angle of the particulate material, which ensures that the particulate material will slide down along the inclined plane and that the sand is dispensed relatively uniformly.

10. 发明申请

US20210291258A1 MOLDING METHOD 有权
公开(公告)号：US20210291258A1
公开(公告)日：2021-09-23
申请号：US17143444
申请日：2021-01-07
申请人： SINTOKOGIO, LTD.
发明人： Tomohiro AOKI , Takayuki KOMIYAMA
IPC分类号： B22C5/04 , B22C9/02 , B22C15/08 , B22C15/24 , B22C5/14
摘要： A cycle is repeatedly carried out, the cycle including: a material feeding step of feeding a material whose amount is larger than an amount that is needed to form a single mold; a mixing step; an ejection step; and a measurement step of measuring, once before or after the ejection step, an amount of foamed mixed sand contained in a mixing tank. The material at least partially is not fed in the material feeding step in the cycle in which the amount of the foamed mixed sand is not less than a first threshold.

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