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公开(公告)号：US11118254B2
公开(公告)日：2021-09-14
申请号：US16127581
申请日：2018-09-11
Applicant: CITIC Dicastal CO., LTD.
Inventor： Zuo Xu , Guoyuan Xiong , Honglei Liu , Hongfeng Liu , Rui Wang , Changhai Li
Abstract: A thermal treatment method for an A356 aluminum alloy cast-spun wheel is provided. The thermal treatment method is characterized by including the steps of: 1) heating an aluminum alloy wheel cast-spun piece to 540-550° C.; 2) preserving the heat of the aluminum alloy wheel cast-spun piece for 275-285 minutes at the temperature of 540-550° C.; 3) quenching the aluminum alloy wheel cast-spun piece in water of 70-90° C. for 180 seconds; 4) heating the aluminum alloy wheel cast-spun piece to 150-160° C.; 5) preserving the heat of the aluminum alloy wheel cast-spun piece for 175-185 minutes at 150-160° C.; and 6) cooling the aluminum alloy wheel cast-spun piece in air to room temperature.
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公开(公告)号：US20190321878A1
公开(公告)日：2019-10-24
申请号：US16362141
申请日：2019-03-22
Applicant: CITIC DICASTAL CO., LTD
Inventor： Kaiqing Wang , Xianyi Xu , Changhai Li
Abstract: A mold for reducing defects in low pressure casting of an aluminum alloy wheel includes a top mold, a side mold and a bottom mold, wherein the top mold is arranged above the bottom mold to mold a back cavity of a wheel, the bottom mold is arranged below the top mold to mold a front wheel disc of the wheel, the side mold is arranged on the side of the top mold and the bottom mold, and the top mold, the side mold and the bottom mold collectively surround a casting cavity of the aluminum alloy wheel, wherein the upper surface of the bottom mold includes a recessed portion configured to form a spoke and a boss portion configured to form a window and wherein the boss portion configured to form the window includes cooling ducts.
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公开(公告)号：US20190270336A1
公开(公告)日：2019-09-05
申请号：US16205530
申请日：2018-11-30
Applicant: CITIC Dicastal CO., LTD.
Inventor： Zhen LI , Xu Wang , Kaiqing Wang , Yule Zhou , Chuan Cheng , Changhai Li , Tiefeng Hu , Hui Chi
IPC: B60B21/00
Abstract: A wheel and a rim with weight reduction sockets are provided. The rim includes an inner flange, a middle portion and an outer flange, the inner flange, middle portion and outer flange are all annular and are connected end to end to form a cylindrical rim, in which the middle portion of the rim includes weight reduction sockets; and the weight reduction sockets are of regular hexagons, and are arranged adjacently on the outer side of the middle portion of the rim in the shape of a honeycomb. The weight of the hub is reduced by designing the weight reduction sockets in a specific shape for the outer rim of the hub and selecting the size of the weight reduction sockets.
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公开(公告)号：US10328486B2
公开(公告)日：2019-06-25
申请号：US15491002
申请日：2017-04-19
Applicant: CITIC Dicastal CO., LTD
Inventor： Fengbao Luo , Yongning Wang , Zhihua Zhu , Changhai Li
Abstract: An automatically-returning mold ejection device and a casting mold comprising the same. The mold ejection device includes a lower-portion part and an upper-portion part and is wherein the lower-portion part comprises returning rod ejection columns fixed to a mold rack base plate; the upper-portion part comprises returning rods corresponding to the returning rod ejection columns, the top ends of the returning rods are fixed to an ejection rod pushing plate and penetrate through an upper mold connecting plate through returning rod flanges, and a lower mold core of a mold is fixed to the mold rack base plate through a screw. An embodiment of the device has the advantages that the self-returning structure is simple, easy to install and convenient to replace and maintain, and has very good practicability.
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公开(公告)号：US10234352B2
公开(公告)日：2019-03-19
申请号：US15183899
申请日：2016-06-16
Applicant: CITIC Dicastal CO., LTD
Inventor： Chunhai Liu , Zhigao Yin , Hanbao Sun , Debin Tang , Jinqi Lv , Zhipeng Li , Zhihua Zhu , Yongning Wang , Changhai Li
Abstract: The present invention provides a device for measuring air tightness of an aluminum alloy hub or a tire and a method for measuring the air tightness of the aluminum alloy hub or the tire by using the device. The device includes a pressure measurement device mounted into a hub or tire to be measured, an inflation device in gas connection with an inside of a tire of a wheel to be measured, and a data acquiring and processing device; wherein the inflation device includes a flow measurement component.
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Patent Agency Ranking
公开(公告)号：US10010907B2
公开(公告)日：2018-07-03
申请号：US15189129
申请日：2016-06-22
Applicant: CITIC Dicastal CO., LTD
Inventor： Le Zhang , Shengchao Zhang , Yongning Wang , Zhihua Zhu , Changhai Li
CPC classification number: B05D1/04 , B05D1/002 , B05D7/53 , B05D2202/25 , B60B7/0046 , B60B7/0053 , B60B7/063 , B60B7/065 , B60B7/066 , B60B21/00 , B60B2900/572 , C23C4/18
Abstract: The present invention provides a method for color register spraying of a hub, which includes machining and turning for glossy finish after spraying a black paint on the surface of a hub, and then spraying a color transparent paint onto the hub. The method provided by the invention achieves a spraying-based color register effect through spraying of the color transparent paint, which greatly improves the production efficiency and is available for batch production.
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公开(公告)号：US20170361373A1
公开(公告)日：2017-12-21
申请号：US15620061
申请日：2017-06-12
Applicant: CITIC Dicastal CO., LTD.
Inventor： Chuan Dai , Fengjun Zhang , Yongning Wang , Zhihua Zhu , Changhai Li
CPC classification number: B22D17/203 , B22D17/2015 , B22D17/266
Abstract: The disclosure provides a local extrusion device for high-pressing casting. The local extrusion device for high-pressure casting includes an extrusion core sleeve, an extrusion rod, an extrusion oil cylinder and an extrusion oil cylinder piston. The extrusion oil cylinder includes the extrusion oil cylinder piston, the extrusion oil cylinder piston is connected with the extrusion rod, the extrusion rod is positioned in the extrusion core sleeve, and the extrusion core sleeve and the extrusion oil cylinder are fixed.
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公开(公告)号：US09833873B2
公开(公告)日：2017-12-05
申请号：US14981678
申请日：2015-12-28
Applicant: CITIC Dicastal CO., LTD
Inventor： Bowen Xue , Jiandong Guo , Yongning Wang , Zhihua Zhu , Changhai Li , Binyu Xiong
CPC classification number: B24B29/005
Abstract: The present invention provides a wheel deburring device, consisting of a frame, a motor, a guide rail, a swing plate, a cylinder, a servo electric cylinder and a hairbrush and the like. When in use, the device provided by the present invention can adjust the angle of the hairbrush according to the shape of the back cavity of the wheel spoke to adapt to hubs of any style, and the deburring effect is very ideal; and meanwhile, the device has the characteristics of high degree of automation, advanced process, safe and stable performance, etc.
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公开(公告)号：US09709464B2
公开(公告)日：2017-07-18
申请号：US15019340
申请日：2016-02-09
Applicant: CITIC Dicastal CO., LTD
Inventor： Chunhai Liu , Shide Li , Zhigao Yin , Qiang Liu , Hongwei Sheng , Yiwu Du , Yongning Wang , Zhihua Zhu , Changhai Li
IPC: G01M17/02 , G01M17/007
CPC classification number: G01M17/022 , G01M17/0074
Abstract: The present invention provides a drum of a wheel tester, which is characterized in that an outer surface of the drum has cyclic corrugations parallel to a cross section of the drum, wherein the cyclic corrugation in one cycle on the outer surface is composed of a concave arc and a convex arc, both of which are tangential in ends and equal in diameter, and one cycle is 30 to 50 mm in length and 1 to 1.5 mm in depth. The drum is easy to machine, reduced in cost, increased in friction force and suitable for simulating various road surfaces.
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公开(公告)号：US11052703B2
公开(公告)日：2021-07-06
申请号：US16204014
申请日：2018-11-29
Applicant: CITIC Dicastal CO., LTD.
Inventor： Zuo Xu , Guoyuan Xiong , Xu Wang , Zhen Li , Kaiqing Wang , Yule Zhou , Chuan Cheng , Changhai Li , Tiefeng Hu , Hui Chi
Abstract: A rim with an inner flange having strip weight reduction sockets and a wheel are provided. The rim includes the inner flange, a middle portion and an outer flange which are all annular and are connected end to end to form an annular rim, in which trapezoidal weight reduction sockets are provided on the inner wall of the inner flange; the bottom edges of the weight reduction sockets are flush with the edge of the inner flange; the top edge of each weight reduction socket has fillets; and the weight reduction sockets have a bottom edge length of 5-30 mm, a height of 15-60 mm, a top edge length of 5-15 mm, a base angle of 72-83°, and a depth of 1-5 mm.
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