Patents by Inventor Haiping Chang

Haiping Chang 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).

  • Patent number: 11841191
    Abstract: The disclosure discloses a magnesium alloy material smelting device, comprising a furnace, a disc packing device, the disc packing device comprising a stirring shaft, a packing basket, a disc stirring head, the stirring shaft connected with a packing basket, the bottom of the packing basket connected with a disc stirring head, the disc stirring head comprising a plurality of stirring wings, the stirring wings connected with the packing basket and the stirring disc, the connecting ends of the stirring wings connected with each other, the stirring ends extending to the edge of the stirring disc, and the sidewall of the packing basket provided with a liquid passage hole; during the process of preparing and processing the magnesium alloy, the disc stirring head may accelerate the diffusion, the rotation of the disc stirring head may divide the melt into upper and lower layers, and the upper layer of the melt forms a solution vortex to accelerate the diffusion of the master alloy elements; the lower melt keeps rel
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: December 12, 2023
    Assignee: CITIC Dicastal Co., Ltd.
    Inventors: Lixin Huang, Shiwen Xu, Meng Li, Haiping Chang, Zhen Li, Zhen Peng
  • Publication number: 20230194176
    Abstract: The disclosure discloses a magnesium alloy material smelting device, comprising a furnace, a disc packing device, the disc packing device comprising a stirring shaft, a packing basket, a disc stirring head, the stirring shaft connected with a packing basket, the bottom of the packing basket connected with a disc stirring head, the disc stirring head comprising a plurality of stirring wings, the stirring wings connected with the packing basket and the stirring disc, the connecting ends of the stirring wings connected with each other, the stirring ends extending to the edge of the stirring disc, and the sidewall of the packing basket provided with a liquid passage hole; during the process of preparing and processing the magnesium alloy, the disc stirring head may accelerate the diffusion, the rotation of the disc stirring head may divide the melt into upper and lower layers, and the upper layer of the melt forms a solution vortex to accelerate the diffusion of the master alloy elements; the lower melt keeps rel
    Type: Application
    Filed: February 21, 2022
    Publication date: June 22, 2023
    Inventors: Lixin Huang, Shiwen Xu, Meng Li, Haiping Chang, Zhen Li, Zhen Peng
  • Patent number: 10919083
    Abstract: A process for manufacturing an aluminum alloy wheel includes: casting, de-flashing, soaking, spinning, thermal treatment, de-gating, X-ray and machining. During the casting, a casting mold is cooled with water, and a cast blank is produced from carrying out the casting. The de-flashing includes removing flashes of the cast blank at a rim of the cast blank with a de-flashing device. The soaking includes reheating on the cast blank that has been de-flashed. The spinning includes an adaptive spinning mold. The thermal treatment includes direct solution treatment and aging on the cast blank in a thermal treatment furnace after spinning.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: February 16, 2021
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Zuo Xu, Haiping Chang, Lijuan Zhang, Shiwen Xu, Changhai Li, Zhihua Zhu
  • Patent number: 10695819
    Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: June 30, 2020
    Assignee: CITIC DICASTAL CO., LTD.
    Inventors: Haiping Chang, Lijuan Zhang, Shiwen Xu, Xuepu Yin, Hongwei Zhou, Zhixue Wang, Rui Li, Jin Zhang, Dawei Xu
  • Patent number: 10661402
    Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: May 26, 2020
    Assignee: CITIC Dicastal Co., Ltd.
    Inventors: Weidong Liu, Xiaoyu Jiang, Xuesong Wang, Shengchao Zhang, Haiping Chang, Yingfeng Wang, Dan Yao
  • Patent number: 10627313
    Abstract: The present application provides a device for detecting wheel hop, comprising a synchronous clamping and centering mechanism, a synchronous rotating mechanism and a hop detecting mechanism. According to the structure and size of a wheel to be detected, a first servo motor and a second servo motor control the detection wheel in the hop detector to move within a specific plane, the detection wheel is in contact with a bead seat of the wheel, and the synchronous rotating mechanism drives the wheel to rotate; and the detection wheel is driven to rotate by the friction between the detection wheel and a bead seat of the wheel, and the hop detector detects the hop amount of the bead seat of the wheel when the wheel rotates and transmits the data to a computer processing system.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: April 21, 2020
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Fengyan Liu, Haiping Chang
  • Patent number: 10605301
    Abstract: Disclosed is a secondary clamping device for a wheel. Two bearings and a spacing ring are closed in a base by a bearing end cover, a shaft sleeve is mounted on the bearings, a linear bearing and a gland are fixed on the shaft sleeve, a positioning pin is fixed at the top of the floating shaft, two ends of the spring A are respectively connected with the positioning pin and the linear bearing, and the positioning pin can move up and down under the action of the spring A. A pull rod is fixed on the gland, the outer wall of the floating column is connected with the inner hole of the shaft sleeve, two ends of the spring B are respectively connected with the gland and the floating column.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: March 31, 2020
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Shengchao Zhang, Haiping Chang, Yingfeng Wang, Yeling Tian, Dan Yao, Zegong He
  • Patent number: 10596671
    Abstract: A milling fixture for forged wheel includes a connecting plate installed on a milling machine table, a linear bearing installed on the connecting plate, a small diameter end of a positioning rod penetrates through a spring and a linear bearing, and a limiting screw installed on a side wall of the linear bearing and connected with the positioning rod. Under the coaction of the spring and an external force, the positioning rod is configured to move in the linear bearing. Bidirectional threaded rods are uniformly installed on a bottom plate, one end of each of the bidirectional threaded rods penetrate through pressure claws, the pressure claws are sandwiched between compression nuts and the connecting plate. The fixture can meet the requirement for milling a forged wheel, and at the same time, has the characteristics of a simple structure, is convenient to manufacture, provides stable performance and is low cost.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: March 24, 2020
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Dan Yao, Xiaopeng Chen, Xing Wang, Haiping Chang
  • Patent number: 10512992
    Abstract: The present application discloses a wheel bolt pressing device, which includes a frame, a servo motor, a connecting shaft, a bottom plate, a mounting base, a cylinder, a support, a spring A, a pull pin, a limiting sleeve, a thrust bearing, a bracket, a bolt, a strong magnet, a bolt mounting rack, a large linear bearing, a guide shaft, a press-down cylinder, a cylinder flange, a balancing stand, a guard, rollers, a mounting shaft, a mounting rack, contacts, an elastic rubber band, a holder, pin rolls and the like. The device may meet the requirement of a wheel for pressing bolts on line in use, which has ideal effect, high efficiency, and high automation degree. In addition, the wheel bolt pressing device is safe and reliable in work, and is particularly suitable for batch production in production lines.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 24, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Shengchao Zhang, Haiping Chang, Yingfeng Wang, Yeling Tian, Dan Yao
  • Patent number: 10502540
    Abstract: Disclosed is a wheel flange detection device. A positioning column and a linear guide rail are mounted on a flange plate, a connecting plate is connected with the linear guide rail via a guide rail sliding seat, a shaft sleeve is fixed on the connecting plate, and a dial indicator is fixed on the shaft sleeve via a lock sleeve; the upper side wall of the shaft sleeve is a conical surface, and is matched with an inner hole conical surface of the lock sleeve; threads are formed in the middle of the side wall of the shaft sleeve and matched with threads of the inner hole of the lock sleeve; 12 groups of vertical slots are formed in the upper side wall of the shaft sleeve.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 10, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Donghui Zhang, Dan Yao, Haiping Chang
  • Patent number: 10502663
    Abstract: The present application discloses a wheel runout detection device. A synchronous gear B is mounted on the output shaft of a servo motor, a synchronous gear A is connected with the synchronous gear B via a synchronous belt, a flange, an expansion sleeve and a cylinder are mounted on a flange plate, and two ends of a connecting shaft are respectively connected with the output shaft of the cylinder and an expansion core. The servo motor drives the flange, the expansion sleeve and the wheel to rotate via the synchronous gear A, the synchronous belt and the synchronous gear B. The device may meet the requirement of wheel runout detection in use, and has the characteristics of ideal effect, high efficiency and high working safety and reliability.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 10, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Shengchao Zhang, Haiping Chang, Yingfeng Wang, Yeling Tian, Dan Yao, Zegong He
  • Patent number: 10499462
    Abstract: The present application discloses an on-line induction heating device for a wheel blank, consisting of a frame, a servo motor, guide posts I, guide sleeves I, a lower fixed plate, a lifting top plate, a bearing seat, a jacking cylinder, a piston connecting rod, a top cone, reset springs, radial positioning blocks, upper fixed plates, induction heating cylinders, connecting rods, double-head fastening nuts, fixed slide rails, mounting plates, outer protective jackets, induction coils, a displacement sensor I, a compression cylinder, a guide sleeve II, a guide post II, a gland, pressure sensors, asbestos, a displacement sensor II, water inlet pipes, water outlet pipes, a roller bed, transverse sliding tables, positioning cylinders, a supporting plate and lifting cylinders.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: December 3, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Haiping Chang, Zhixue Wang, Jin Zhang, Rui Li, Dawei Xu, Bowen Xue, Changhai Li
  • Publication number: 20190283108
    Abstract: Disclosed in the present disclosure is a process for manufacturing an aluminum alloy wheel. The process flow comprises: casting, de-flashing, soaking, spinning, thermal treatment, de-gating, X-ray and machining. The process reduces the cost by about 18 yuan/piece and reduces the weight of the finished product by 0.7-1.1 Kg by improving the casting production efficiency and the product quality, saving original cooling compressed air, canceling pre-machining, preheating and spinning the thermal blank, thermally treating the thermal blank and the like, has the cost equivalent to the comprehensive manufacturing cost of an ordinary cast wheel, and improves the market competitiveness of the cast-spun wheel. The process realizes short flow, light weight and low cost for manufacturing a cast-spun wheel, achieves intelligence of machining, and is suitable for automatic production of large-batch cast-spun wheels.
    Type: Application
    Filed: July 3, 2018
    Publication date: September 19, 2019
    Inventors: Haiping Chang, Lijuan Zhang, Shiwen Xu, Changhai Li, Zhihua Zhu
  • Publication number: 20190283107
    Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.
    Type: Application
    Filed: July 2, 2018
    Publication date: September 19, 2019
    Inventors: Haiping Chang, Lijuan Zhang, Shiwen Xu, Xuepu Yin, Hongwei Zhou, Zhixue Wang, Rui Li, Jin Zhang, Dawei Xu
  • Patent number: 10384311
    Abstract: A spinning roller surface laser reinforced processing forming method is provided. A spinning roller is normalized after forging, the normalizing temperature is controlled to 860-880 DEG C., and the heat preservation time is 40-60 minutes; the spinning roller forging blank is roughly processed to reserve a tolerance allowance of 0.5 mm on the designated working face; the spinning roller and workpiece contact surface reinforcing layer is made of Ni625+WC2, in which WC is more than 22%; a reinforcing layer having the thickness of 0.8 mm is clad with laser on the working face of the spinning roller, and the preheating temperature is controlled to 250-400 DEG C. before welding; the spinning roller laser clad reinforcing layer is rolled; and the rolled spinning roller is put into a thermal treatment furnace for thermal treatment, and quenching and tempering treatment, re-crystallization and residual stress elimination are performed.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: August 20, 2019
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Haiping Chang, Zhixue Wang, Shiyou Gao, Jin Zhang, Rui Li, Dawei Xu, Donghui Zhang
  • Publication number: 20190224792
    Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.
    Type: Application
    Filed: June 29, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Xiaoyu JIANG, Xuesong WANG, Shengchao ZHANG, Haiping CHANG, Yingfeng WANG, Dan YAO
  • Publication number: 20190224800
    Abstract: A milling fixture for forged wheel includes a connecting plate installed on a milling machine table, a linear bearing installed on the connecting plate, a small diameter end of a positioning rod penetrates through a spring and a linear bearing, and a limiting screw installed on a side wall of the linear bearing and connected with the positioning rod. Under the coaction of the spring and an external force, the positioning rod is configured to move in the linear bearing. Bidirectional threaded rods are uniformly installed on a bottom plate, one end of each of the bidirectional threaded rods penetrate through pressure claws, the pressure claws are sandwiched between compression nuts and the connecting plate. The fixture can meet the requirement for milling a forged wheel, and at the same time, has the characteristics of a simple structure, is convenient to manufacture, provides stable performance and is low cost.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Dan YAO, Xiaopeng CHEN, Xing WANG, Haiping CHANG
  • Publication number: 20190162630
    Abstract: The present application provides a device for detecting wheel hop, comprising a synchronous clamping and centering mechanism, a synchronous rotating mechanism and a hop detecting mechanism. According to the structure and size of a wheel to be detected, a first servo motor and a second servo motor control the detection wheel in the hop detector to move within a specific plane, the detection wheel is in contact with a bead seat of the wheel, and the synchronous rotating mechanism drives the wheel to rotate; and the detection wheel is driven to rotate by the friction between the detection wheel and a bead seat of the wheel, and the hop detector detects the hop amount of the bead seat of the wheel when the wheel rotates and transmits the data to a computer processing system.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 30, 2019
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Weidong LIU, Fengyan LIU, Haiping CHANG
  • Patent number: 10232485
    Abstract: The present invention provides a wheel burr removing device, which includes a frame, cylinders, guide posts, brush systems I, brush systems II and a clamping rotating system. The device in the present invention not only can be used for adjusting the angles of brushes II according to the size and the shape of the wheel so as to focus on removing burrs at the root of the rim, but also can be used for specifically removing burrs at the roots of flanges and the middle parts of spokes; meanwhile, the device has the characteristics of high automation degree, advanced process, simple structure and high safety and stability.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: March 19, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Bowen Xue, Haiping Chang, Ning Wang, Yongwang Zhao
  • Patent number: D881101
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: April 14, 2020
    Assignee: DICASTAL NORTH AMERICA, INC.
    Inventors: Zhichong Liu, Haiping Chang, Yong Guo