Patents by Inventor Hongbiao Li
Hongbiao Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11370247Abstract: An automobile hub with a hollow rim includes a wheel disc and the rim with at least one hollow cavity, in which the rim includes at least two mutually nested rings and an axial end cap at the same ends of the at least two rings, and the hollow cavity consists of the rings and the axial end cap. The outer side of one end of the wheel disc includes axial rim mounting grooves, and the rim is inserted into the rim mounting grooves and fixed to the wheel disc through the end without the axial end cap. By employing the automobile hub with the hollow rim, the hub assembling method, and the automobile having the hub, the weight of the hub can be further reduced, and the hub has sufficient strength.Type: GrantFiled: August 23, 2019Date of Patent: June 28, 2022Assignee: CITIC Dicastal CO., LTD.Inventors: Chuan Cheng, Changhai Li, Xu Wang, Hongbiao Li, Lin Zhu, Zhen Li, Yule Zhou
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Patent number: 11312175Abstract: An automobile wheel having a multilayer rim includes a wheel disc and a rim that is composed of at least two layers of metal rings by nesting, and a gap is preset between two adjacent metal rings; an outer side of one end of the wheel disc includes axial rim mounting grooves, and one end of the rim is inserted into the rim mounting grooves to fix the rim to the wheel disc.Type: GrantFiled: August 26, 2019Date of Patent: April 26, 2022Assignee: CITIC Dicastal CO., LTD.Inventors: Chuan Cheng, Changhai Li, Xu Wang, Hongbiao Li, Zhen Li, Yule Zhou, Zenglei He
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Publication number: 20200290396Abstract: An automobile hub with a hollow rim includes a wheel disc and the rim with at least one hollow cavity, in which the rim includes at least two mutually nested rings and an axial end cap at the same ends of the at least two rings, and the hollow cavity consists of the rings and the axial end cap. The outer side of one end of the wheel disc includes axial rim mounting grooves, and the rim is inserted into the rim mounting grooves and fixed to the wheel disc through the end without the axial end cap. By employing the automobile hub with the hollow rim, the hub assembling method, and the automobile having the hub, the weight of the hub can be further reduced, and the hub has sufficient strength.Type: ApplicationFiled: August 23, 2019Publication date: September 17, 2020Applicant: CITIC Dicastal CO., LTD.Inventors: Chuan CHENG, Changhai LI, Xu WANG, Hongbiao LI, Lin ZHU, Zhen LI, Yule ZHOU
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Publication number: 20200254812Abstract: An automobile hub of a multilayer rim includes a wheel disc and a rim that is composed of at least two layers of metal rings by nesting, and a gap is preset between two adjacent metal rings; an outer side of one end of the wheel disc includes axial rim mounting grooves, and one end of the rim is inserted into the rim mounting grooves to fix the rim to the wheel disc.Type: ApplicationFiled: August 26, 2019Publication date: August 13, 2020Applicant: CITIC Dicastal CO., LTD.Inventors: Chuan CHENG, Changhai LI, Xu WANG, Hongbiao LI, Zhen LI, Yule ZHOU, Zenglei HE
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Patent number: 10675675Abstract: A water-cooled mold for low-pressure casting of an aluminum alloy wheel includes an upper mold, a lower mold and a side mold which surround a cavity of aluminum alloy, in which a cooling insert is embedded into a side mold frame of the side mold; an upper parting surface, a lower parting surface and a side parting surface of the cooling insert are respectively in contact parting with the side mold frame, the side parting surface includes a front zone and a rear straight zone, and a gap of 1.5-2.5 mm is formed between the rear straight zone and the side mold frame.Type: GrantFiled: November 29, 2018Date of Patent: June 9, 2020Assignee: CITIC Dicastal CO., LTD.Inventors: Lin Zhu, Changhai Li, Hongbiao Li, Baojun Shi
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Patent number: 10456822Abstract: A tandem water spot cooling device for a top die. The device includes a spot cooling device main body, a lower sealing plate, an outer-ring circular track, an inner-ring serpentine passage, outer-ring flow dividing baffles, inner-ring flow dividing baffles, outer-ring through holes, inner-ring through holes, bolt hole reservation positions, stripper rod reservation positions, and water inlet and outlet connection through holes.Type: GrantFiled: April 10, 2017Date of Patent: October 29, 2019Assignee: CITIC Dicastal CO., LTDInventors: Lin Zhu, Changhai Li, Hongbiao Li, Yong Li
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Publication number: 20190291173Abstract: A water-cooled mold for low-pressure casting of an aluminum alloy wheel includes an upper mold, a lower mold and a side mold which surround a cavity of aluminum alloy, in which a cooling insert is embedded into a side mold frame of the side mold; an upper parting surface, a lower parting surface and a side parting surface of the cooling insert are respectively in contact parting with the side mold frame, the side parting surface includes a front zone and a rear straight zone, and a gap of 1.5-2.5 mm is formed between the rear straight zone and the side mold frame.Type: ApplicationFiled: November 29, 2018Publication date: September 26, 2019Inventors: Lin ZHU, Changhai LI, Hongbiao Li, Baojun Shi
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Patent number: 10328487Abstract: The present disclosure provides a low-pressure cast aluminum wheel mold. The back cavity of a top mold (1) is divided into three parts: the back cavity in a rim area is open, and the wall thickness of the top mold is progressively increased by 15-25 mm from bottom to top; the back cavity in a spoke area is machined in a profile-followed manner, and the top mold has an equal wall thickness of 20-30 mm; at each R angle position where the rim is connected with a spoke, the top mold is provided with a boss (11), the axial wall thickness of the boss (11) is 40-60 mm, and the radial wall thickness is 30-50 mm.Type: GrantFiled: May 16, 2017Date of Patent: June 25, 2019Assignee: CITIC DICASTAL CO., LTD.Inventors: Kaiqing Wang, Hongbiao Li, Xu Wang, Changhai Li, Yongwang Zhao, Honghai Zhou
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Patent number: 10220437Abstract: The present invention provides a water cooled mold for casting aluminum alloy wheels and a manufacturing method thereof. The water cooled mold is provided with first-type water cooling channels with high heat exchange efficiency and second-type water cooling channels with low heat exchange efficiency. The first-type water cooling channels are concave grooves through which cooling water flows, and a cooling surface of the mold is in contact with open surfaces of the concave grooves. The second-type water cooling channels are grooves with stainless steel pipes, and the stainless steel pipes are in contact with the cooling surface of the mold. The second-type water cooling channels are installed on mold portions corresponding to wheel window positions of a cavity, and the first-type water cooling channels are installed on mold portions corresponding to spokes, flanges and rims of the cavity.Type: GrantFiled: October 28, 2016Date of Patent: March 5, 2019Assignee: CITIC Dicastal CO., LTDInventors: Lin Zhu, Changhai Li, Hongbiao Li, Yong Li
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Publication number: 20180264540Abstract: The present disclosure provides a low-pressure cast aluminum wheel mold. The back cavity of a top mold (1) is divided into three parts: the back cavity in a rim area is open, and the wall thickness of the top mold is progressively increased by 15-25 mm from bottom to top; the back cavity in a spoke area is machined in a profile-followed manner, and the top mold has an equal wall thickness of 20-30 mm; at each R angle position where the rim is connected with a spoke, the top mold is provided with a boss (11), the axial wall thickness of the boss (11) is 40-60 mm, and the radial wall thickness is 30-50 mm.Type: ApplicationFiled: May 16, 2017Publication date: September 20, 2018Inventors: Kaiqing WANG, Hongbiao LI, Xu WANG, Changhai LI, Yongwang ZHAO, Honghai ZHOU
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Publication number: 20180264544Abstract: The present disclosure provides a low-pressure cast aluminum wheel mold. The back cavity of a top mold (1) is divided into three parts: the back cavity in a rim area is open, and the wall thickness of the top mold is progressively increased by 15-25 mm from bottom to top; the back cavity in a spoke area is machined in a profile-followed manner, and the top mold has an equal wall thickness of 20-30 mm; at each R angle position where the rim is connected with a spoke, the top mold is provided with a boss (11), the axial wall thickness of the boss (11) is 40-60 mm, and the radial wall thickness is 30-50 mm.Type: ApplicationFiled: May 12, 2017Publication date: September 20, 2018Inventors: Kaiqing WANG, Hongbiao LI, Xu WANG, Changhai LI, Yongwang ZHAO, Honghai ZHOU
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Patent number: 10058913Abstract: A low-pressure casting bottom mold for an aluminum alloy hub is provided. The low-pressure casting bottom mold for the aluminum alloy hub is composed of an upper surface facing a cavity and a lower surface facing a die casting platform, wherein the bottom mold lower surface facing the die casting platform comprises an iron sheet cover, the iron sheet cover is fixed at a position, corresponding to a wheel spoke, of the bottom mold lower surface, and a sealed space is formed between the iron sheet cover and the bottom mold lower surface in a surrounding manner; the iron sheet cover comprises air inlets at one side close to a wheel center and air outlets at one side close to a rim; and the air inlets are connected with air tubes.Type: GrantFiled: May 31, 2017Date of Patent: August 28, 2018Assignee: CITIC Dicastal CO., LTD.Inventors: Kaiqing Wang, Hongbiao Li, Xu Wang, Changhai Li
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Patent number: 10010934Abstract: An exhausting device of a low-pressure aluminum alloy wheel casting mold, which includes a control mainframe, a connecting line, a gas storage station, a ventilating pipeline, gas inlet plugs, an exhausting plug and the like, the control mainframe is connected with the gas storage station through the connecting line, and the gas storage station is connected with the gas inlet plugs through the ventilating pipeline; the gas inlet plugs are arranged at the bottom mold window; the mold filling process of the high-temperature molten aluminum can be completed in a relatively oxygen-free environment, direct contact between the molten aluminum and oxygen is avoided, and the occurrence probability of the oxidation slag inclusion defect in the wheel casting process is effectively controlled, so that the internal quality of the casting is remarkably improved.Type: GrantFiled: April 28, 2017Date of Patent: July 3, 2018Assignee: CITIC Dicastal CO., LTDInventors: Lu Chen, Longtao Kang, Xiwei Xue, Hongbiao Li, Kaiqing Wang, Changhai Li
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Patent number: 10010931Abstract: The present invention provides a water spot cooling apparatus, a water spot cooling method for casting a mold, a method for manufacturing the water spot cooling apparatus and use of the water spot cooling apparatus. The technical solution of the present invention has the following advantages: spot cooling of multiple spots can be realized on each side mold by using only one water inlet pipeline, thereby saving the water cooling pipeline and facilitating field installation; the water inlet and outlet are integrated on a main body, thereby facilitating field implementation; the whole apparatus is easy to process, convenient to maintain, and low in manufacturing cost; and it is not restricted by the product structure and facilitates promotion.Type: GrantFiled: January 12, 2016Date of Patent: July 3, 2018Assignee: CITIC Dicastal CO., LTDInventors: Lin Zhu, Changhai Li, Hongbiao Li, Hongwei Zhao, Yongning Wang, Zhihua Zhu
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Publication number: 20170361371Abstract: A low-pressure casting bottom mold for an aluminum alloy hub is provided. The low-pressure casting bottom mold for the aluminum alloy hub is composed of an upper surface facing a cavity and a lower surface facing a die casting platform, wherein the bottom mold lower surface facing the die casting platform comprises an iron sheet cover, the iron sheet cover is fixed at a position, corresponding to a wheel spoke, of the bottom mold lower surface, and a sealed space is formed between the iron sheet cover and the bottom mold lower surface in a surrounding manner; the iron sheet cover comprises air inlets at one side close to a wheel center and air outlets at one side close to a rim; and the air inlets are connected with air tubes.Type: ApplicationFiled: May 31, 2017Publication date: December 21, 2017Inventors: Kaiqing Wang, Hongbiao Li, Xu Wang, Changhai Li
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Publication number: 20170312819Abstract: An exhausting device of a low-pressure aluminum alloy wheel casting mold, which includes a control mainframe, a connecting line, a gas storage station, a ventilating pipeline, gas inlet plugs, an exhausting plug and the like, the control mainframe is connected with the gas storage station through the connecting line, and the gas storage station is connected with the gas inlet plugs through the ventilating pipeline; the gas inlet plugs are arranged at the bottom mold window; the mold filling process of the high-temperature molten aluminum can be completed in a relatively oxygen-free environment, direct contact between the molten aluminum and oxygen is avoided, and the occurrence probability of the oxidation slag inclusion defect in the wheel casting process is effectively controlled, so that the internal quality of the casting is remarkably improved.Type: ApplicationFiled: April 28, 2017Publication date: November 2, 2017Applicant: CITIC Dicastal CO., LTDInventors: Lu CHEN, Longtao Kang, Xiwei Xue, Hongbiao Li, Kaiqing Wang, Changhai Li
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Publication number: 20170291212Abstract: A tandem water spot cooling device for a top die. The device includes a spot cooling device main body, a lower sealing plate, an outer-ring circular track, an inner-ring serpentine passage, outer-ring flow dividing baffles, inner-ring flow dividing baffles, outer-ring through holes, inner-ring through holes, bolt hole reservation positions, stripper rod reservation positions, and water inlet and outlet connection through holes.Type: ApplicationFiled: April 10, 2017Publication date: October 12, 2017Applicant: CITIC Dicastal CO., LTDInventors: Lin Zhu, Changhai Li, Hongbiao Li, Yong Li
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Patent number: 9713837Abstract: The present invention provides a water spot cooling device of a bottom mold for wheel hub casting, a method for cooling a bottom mold by using the device, and a method for manufacturing the device. The device and the method of the present invention have the advantages that multi-path spot cooling required by spoke cooling is integrated into one device; the influence of backwater on the mold is eliminated and stable production is benefited; the effluent water from the multi-path spot cooling is gathered to one backwater opening through a backwater crossing and a backwater annular passage, thereby simplifying a backwater device and making the pipeline connection of the device simpler; and there is no special part in the whole device so that the machining cost is reduced and the maintenance is more convenient.Type: GrantFiled: December 28, 2015Date of Patent: July 25, 2017Assignee: CITIC Dicastal CO., LTD.Inventors: Lin Zhu, Changhai Li, Hongbiao Li, Peng Zhou, Yongning Wang, Zhihua Zhu, Binyu Xiong
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Patent number: 9707620Abstract: The present invention provides a side-mold water spot-cooling device for cooling a casting mold, a manufacturing method thereof and a method for cooling a casting mold by the device. The technical solution of the present invention has the following technical effects: an open-type backwater structure is employed, not only eliminating the back pressure from the backwater process without adding the supercharging equipment, but also reducing the investment costs of the equipment; reducing requirements for the sealing elements, thereby reducing costs for fittings; greatly reducing use of the joints and reducing the manufacturing, maintenance difficulty and costs of the mold; and the structure is substantially the same as that of the air-cooled mold and is easy for promotion.Type: GrantFiled: January 12, 2016Date of Patent: July 18, 2017Assignee: CITIC Dicastal CO., LTD.Inventors: Lin Zhu, Changhai Li, Hongbiao Li, Fengyi Chang, Yongning Wang, Zhihua Zhu
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Publication number: 20170120322Abstract: The present invention provides a water cooled mold for casting aluminum alloy wheels and a manufacturing method thereof. The water cooled mold is provided with first-type water cooling channels with high heat exchange efficiency and second-type water cooling channels with low heat exchange efficiency. The first-type water cooling channels are concave grooves through which cooling water flows, and a cooling surface of the mold is in contact with open surfaces of the concave grooves. The second-type water cooling channels are grooves with stainless steel pipes, and the stainless steel pipes are in contact with the cooling surface of the mold. The second-type water cooling channels are installed on mold portions corresponding to wheel window positions of a cavity, and the first-type water cooling channels are installed on mold portions corresponding to spokes, flanges and rims of the cavity.Type: ApplicationFiled: October 28, 2016Publication date: May 4, 2017Inventors: Lin Zhu, Changhai Li, Hongbiao Li, Yong Li