Patents by Inventor Huajun Cao

Huajun Cao 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: 11951618
    Abstract: A multi-procedure integrated automatic production line for hard alloy blades under robot control is provided. The production line includes a rail-guided robot. A cutter passivation device and a blade cleaning and drying device are arranged on one side of the rail-guided robot. A blade-coating transfer table, a blade coating device, a blade boxing transfer table, a blade-tooling dismounting device and a blade boxing device are sequentially arranged on another side of the rail-guided robot. The blade-tooling dismounting device is arranged on one side of the blade boxing transfer table. The production line further includes squirrel-cage toolings for carrying the blades. The squirrel-cage tooling that are loaded with the blades can run among the cutter passivation device, the blade cleaning and drying device, the blade-coating transfer table and the blade boxing transfer table. The blades after being treated through the blade-tooling dismounting device are sent to the blade boxing device.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: April 9, 2024
    Assignees: Qingdao University of Technology, Ningbo Sanhan Alloy Material Co., Ltd.
    Inventors: Changhe Li, Teng Gao, Liang Luo, Lizhi Tang, Yanbin Zhang, Weixi Ji, Binhui Wan, Shuo Yin, Huajun Cao, Bingheng Lu, Xin Cui, Mingzheng Liu, Jie Xu, Huiming Luo, Haizhou Xu, Min Yang, Huaping Hong, Yuying Yang, Haogang Li, Wuxing Ma, Shuai Chen
  • Patent number: 11945066
    Abstract: The present disclosure relates to a method for online monitoring defect of a milling tool, comprising the steps of: 1) installing a vibration sensor module on a machine tool spindle; 2) acquiring initial sample data; 3) setting a threshold value ?S0 with a time interval of T; 4) measuring vibration signals of n blades in x, y and z directions in each period T0; 5) shaping to obtain n strong vibration cutting wave data respectively formed by n blades in x and y directions in each period T0; 6) analyzing and processing the strong vibration cutting wave data to obtain the difference ?S0/ between the cutting strong vibration wave areas formed by each blade in each period T0; 7) outputting a blade wear or defect signal to a display alarm module according to the constraint conditions by a data comparing and analyzing module, and giving an alarm by a display alarm module.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: April 2, 2024
    Assignee: CHONGQING UNIVERSITY
    Inventors: Huajun Cao, Degui Qiu, Hu Liu, Yingqing Chai
  • Patent number: 11938653
    Abstract: The present invention relates to a powder dry-pressing molding device and method.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 26, 2024
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, SHENYANG HONGYANG PRECISION CERAMICS CO., LTD.
    Inventors: Changhe Li, Mingcun Shi, Xiangyang Ma, Baoda Xing, Xiaohong Ma, Yanbin Zhang, Min Yang, Xin Cui, Teng Gao, Xiaoming Wang, Yali Hou, Han Zhai, Zhen Wang, Bingheng Lu, Huajun Cao, Naiqing Zhang, Qidong Wu
  • Patent number: 11897165
    Abstract: A production line of a CA abrasive, including: a belt mold, the belt mold being provided with a cavity; a transmission device, configured to drive the belt mold to run; a slurry coating mechanism, configured to coat a slurry on a surface and into the cavity of the belt mold; a slurry scraping mechanism, configured to scrap the slurry coated on the surface of the belt mold into the cavity; a drying mechanism, configured to dry the belt mold so that the slurry is dried and precipitated into abrasive grains; a separation mechanism, arranged below the drying mechanism and configured to shake down the abrasive grains in the cavity of the belt mold by vibrating; a sweeping mechanism, configured to sweep slurry fragments of the belt mold after separation; and a release agent coating mechanism, configured to spray a release agent to the swept belt mold.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: February 13, 2024
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO SISA ABRASIVES CO., LTD.
    Inventors: Changhe Li, Baoteng Huang, Han Zhai, Bingheng Lu, Huajun Cao, Zhen Wang, Naiqing Zhang, Min Yang, Yanbin Zhang, Yali Hou, Runze Li, Xin Cui, Mingzheng Liu, Teng Gao, Xiaoming Wang
  • Patent number: 11898699
    Abstract: An oil mist recovery, separation and purification device for a minimum quantity lubricant (MQL) grinding process, including: a pneumatic separation mechanism, a pipeline and a fan fixedly connected with one end of the pipeline, wherein the fan is configured to form a negative pressure in the pipeline, one cone-shaped filter mesh mechanism is disposed in the pipeline, and a tip of the cone-shaped filter mesh mechanism faces the side of an air inlet direction of the pipeline; and a filtering and recovery mechanism connected with the pipeline and including a case body, a filtering mechanism and a recovery mechanism, wherein the case body is connected with the pipeline through a connecting part, and the filtering mechanism is connected with the recovery mechanism. The device can separate, recover and reuse oil mist particles in the air.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: February 13, 2024
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD.
    Inventors: Changhe Li, Zhenjing Duan, Huajun Cao, Xuefeng Xu, Naiqing Zhang, Lan Dong, Yanbin Zhang, Xiufang Bai, Wentao Wu, Teng Gao, Min Yang, Dongzhou Jia, Runze Li, Yali Hou
  • Patent number: 11890781
    Abstract: An alumina ceramic integrated hot press molding machine and working method thereof, including a pressing and hot pressing device fixed accordingly on a rack, a stirring device inside the hot pressing device, and a hot pressing mold above the hot pressing device; the pressing device enables one path of high-pressure air to act on the mold, and enables the other path to enter the hot pressing device, so the slurry flows into a cavity of the mold; the stirring device stirs the slurry inside the device, so alumina blanks are more evenly distributed therein; and temperature detection components for detecting the temperature of internal oil and the slurry at a slurry outlet are inside the hot pressing device, and the power of an electric heating device is adjusted and controlled in real time according to the temperature detected by the components, to achieve the purpose of accurate temperature control.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: February 6, 2024
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, SHENYANG HONGYANG PRECISION CERAMICS CO., LTD.
    Inventors: Changhe Li, Mingcun Shi, Xiangyang Ma, Yanbin Zhang, Min Yang, Xin Cui, Xiaohong Ma, Teng Gao, Xiaoming Wang, Yali Hou, Han Zhai, Zhen Wang, Bingheng Lu, Huajun Cao, Naiqing Zhang, Qidong Wu
  • Patent number: 11819932
    Abstract: An intelligent switching system for switching internal cooling and external cooling and a method are provided. The system includes a vision system, a cooling system and a control system. The vision system monitors a real-time milling state of a cutter, collects a real-time milling depth image that the cutter mills a workpiece, and transmits the collected real-time milling depth image to the control system. The control system includes a lubrication mode control center, and a motor control center. The lubrication mode control center receives the real-time image transmitted by the image collection control center; analyzes and processes the real-time image to obtain real-time milling depth data of the cutter. The motor control center receives a signal sent by the lubrication mode control center; analyzes and processes the signal, and transmits a control instruction to the cooling system. The cooling system executes a switching command issued by the control system.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: November 21, 2023
    Assignees: Qingdao University of Technology, Shanghai Jinzhao Energy Saving Technology Co., Ltd., Shaanxi Jinzhao Aviation Technology Co., Ltd.
    Inventors: Changhe Li, Xifeng Wu, Yixue Han, Naiqing Zhang, Qidong Wu, Huajun Cao, Teng Gao, Yanbin Zhang, Min Yang, Bingheng Lu, Yuying Yang, Xin Cui, Xufeng Zhao, Mingzheng Liu, Dongzhou Jia, Xiaowei Zhang, Hao Ma
  • Patent number: 11801613
    Abstract: A carbide blade cleaning device includes a water pressure cleaning device, an ultrasonic cleaning device and an air drying device. The water pressure cleaning device includes a cleaning chamber for accommodating a cutter head and a water jet mechanism with an output end facing the cutter head. The ultrasonic cleaning device includes a cleaning box and a cutter head fixing box with an opening in a side surface for accommodating the cutter head, and a first telescopic mechanism drives the cutter head fixing box to adjust a relative position to the cleaning box. The air drying device includes a cutter head fixing table and an air drying mechanism with an output end facing the cutter head fixing table.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: October 31, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, NINGBO SANHAN ALLOY MATERIAL CO., LTD.
    Inventors: Changhe Li, Shuo Yin, Liang Luo, Weixi Ji, Binhui Wan, Xuefeng Xu, Haogang Li, Huajun Cao, Bingheng Lu, Lizhi Tang, Xin Cui, Mingzheng Liu, Yanbin Zhang, Jie Xu, Huiming Luo, Haizhou Xu, Min Yang, Huaping Hong, Teng Gao, Yuying Yang, Wuxing Ma, Shuai Chen
  • Patent number: 11794297
    Abstract: The present disclosure provides an internal cooling/external cooling-switching milling minimum-quantity-lubrication intelligent nozzle system and method, relating to the field of milling lubrication. The system includes: a vision system, configured to acquire a real-time milling depth of a workpiece and send the real-time milling depth to a lubrication manner controller for processing; a lubrication system, including an internal cooling system and an external cooling system connected together to a cutting fluid supply source through a reversing device; and the lubrication manner controller, configured to communicate with the vision system and the lubrication system respectively, and control the reversing device to act according to a set milling depth threshold and data acquired by the vision system, so as to adjust and switch to the internal cooling system or the external cooling system to work.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: October 24, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD, SHANXI JINZHAO AVIATION TECHNOLOGY CO., LTD.
    Inventors: Changhe Li, Xifeng Wu, Yixue Han, Naiqing Zhang, Yanbin Zhang, Qidong Wu, Huajun Cao, Teng Gao, Min Yang, Bingheng Lu, Yuying Yang, Xin Cui, Xufeng Zhao, Mingzheng Liu, Dongzhou Jia, Xiaowei Zhang, Hao Ma
  • Patent number: 11794298
    Abstract: A milling machine processing system with an intelligently follow-up cutting fluid nozzle and a working method thereof including a workpiece stage, a milling machine box arranged above the workpiece stage, a milling cutter mechanism mounted on the milling machine box for processing workpieces on the workpiece stage, a rotating mechanism mounted on an end surface of the milling machine box located at a side of a milling cutter, the rotating mechanism is connected with a two-axis linkage mechanism and drives the two-axis linkage mechanism to rotate about a center line where the milling cutter is located, the two-axis linkage system is connected with a nozzle through an angle adjusting mechanism and is used for adjusting a position and an angle of the nozzle, and the milling machine processing system has an infrared temperature detection module for collecting the temperature of a processing region.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 24, 2023
    Assignee: QINGDAO UNIVERSITY OF TECHNOLOGY
    Inventors: Changhe Li, Wentao Wu, Huajun Cao, Cong Mao, Wenfeng Ding, Naiqing Zhang, Menghua Sui, Han Zhai, Teng Gao, Yanbin Zhang, Min Yang, Dongzhou Jia, Qingan Yin, Xiaoyang Zhang, Yali Hou
  • Patent number: 11766753
    Abstract: The disclosure provides a milling system and method under different lubrication conditions. The system uses a tool to mill the workpiece, a force measuring system to measure the milling force, a tool change system to replace the tools, a tool storage to store the tools. It can store the tools, provide the lubricating oil to the milling surface, select different tools according to different processing conditions, select the best angle differences of the unequal spiral angle tools according to different conditions comprising dry cutting, casting-type lubrication, minimal quantities of lubrication or minimal quantities of nanofluid lubrication, and/or choose the optimal tool according to different cutting parameters in order to obtain the minimum milling force.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: September 26, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, CHONGQING UNIVERSITY, SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD
    Inventors: Changhe Li, Qingan Yin, Yanbin Zhang, Huajun Cao, Zhenjing Duan, Cong Mao, Wenfeng Ding, Naiqing Zhang, Lan Dong, Xiufang Bai, Menghua Sui, Yonghong Liu, Wentao Wu, Teng Gao, Min Yang, Dongzhou Jia, Runze Li, Yali Hou
  • Patent number: 11707807
    Abstract: Provided is a fixture for automatic assembly, overturning and welding of sidewall aluminum profile of a rail vehicle, comprising a lifting mechanism, a supporting overturning device mounted on the lifting mechanism, an automatic assembling sidewall profile device mounted on the supporting overturning device, and a self-positioning locking device. The automatic assembling sidewall profile device comprises a sidewall-shaped support steel beam, and a rodless cylinder track platform and a fixing seat. The self-positioning locking devices are mounted on the rodless cylinder track platform and the fixing seat, and have a self-positioning base and a locking device. The self-positioning base comprises an outer housing is provided with the locking device and two symmetrically set self-positioning supports, and faces of the two self-positioning supports matching with the rail vehicle aluminum profile are provided with rollers having a V-shaped gap formed therebetween.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: July 25, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, UNIVERSITY OF SHARJAH
    Inventors: Changhe Li, Zhuang Shi, Bo Liu, Huajun Cao, Wenfeng Ding, Xin Cui, Zafar Said, Yanbin Zhang
  • Patent number: 11707810
    Abstract: A system for machining and positioning an automobile hub and a production line for intelligent cleaning and precision, including upper and lower mounting plates connected vertically. At least three U-shaped blocks are fixed on a top surface of the upper plate. An L-shaped support is mounted between every two blocks, including a screw-equipped ball head disposed thereon. The support is driven by a first driving apparatus to move along the upper mounting plate. A slidable chuck is disposed in each block, with a push rod assembly connected to the bottom. The assembly is driven by a second driving apparatus to move along the upper mounting plate with the chuck. Three wedges are circumferentially fixed on a top surface of the lower plate and are driven by a third driving apparatus to move along the lower plate. Inclined surfaces of the wedges are mated with bottoms of the push rod assemblies.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: July 25, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, HANERGY (QINGDAO) LUBRICATION TECHNOLOGY CO., LTD.
    Inventors: Changhe Li, Dewei Liu, Zongming Zhou, Qidong Wu, Bingheng Lu, Bo Liu, Yun Chen, Huajun Cao, Cong Mao
  • Patent number: 11691239
    Abstract: The present disclosure provides a carbide blade grinding forming processing production line, relates to the field of blade processing in forming, and provides a production line for grinding forming processing of a carbide blade with inscribed circular holes, which has functions of blade grinding forming processing, blade cleaning and drying and detection of external dimension of a formed blade, and has an automatic loading and uninstalling function. In most processing course of the blade, the cutter head is taken as a carrier, and an overturning device is configured to overturn a whole cutter die box, such that integral end surface overturning of the cutter head in the cutter die box after single end surface grinding is realized, and blade filling processes in different processing links are reduced.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: July 4, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, NINGBO SANHAN ALLOY MATERIAL CO., LTD.
    Inventors: Min Yang, Changhe Li, Shuo Yin, Liang Luo, Weixi Ji, Binhui Wan, Wenfeng Ding, Haogang Li, Huajun Cao, Bingheng Lu, Lizhi Tang, Xin Cui, Mingzheng Liu, Yanbin Zhang, Jie Xu, Huiming Luo, Haizhou Xu, Huaping Hong, Teng Gao, Yuying Yang, Wuxing Ma, Shuai Chen
  • Publication number: 20230142682
    Abstract: A process system of a follower fixture for tank moving support is provided and includes a conveying table slidably provided with a bearing platform through a screw slide rail assembly and provided with an outer frame assembly; a lifting platform is slidably installed in the outer frame assembly; positions of the lifting platform and the bearing platform are corresponded up and down; the outer frame assembly is slidably provided with a robot component; both sides of the conveying table are provided with loading platforms; workpieces are placed on one loading platform, and a fixture system is placed on the other loading platform; the fixture system and the workpieces are both placed in the moving range of the robot component, and positions of the fixture system and the workpieces are corresponded. problems including processing flexibility cannot be realized can be solved.
    Type: Application
    Filed: December 29, 2021
    Publication date: May 11, 2023
    Inventors: Changhe Li, Dewei Liu, Aiguo Qin, Hanqi Fan, Min Li, Junting Li, Tao Jiang, Zongming Zhou, Qidong Wu, Bingheng Lu, Bo Liu, Yun Chen, Huajun Cao, Cong Mao, Wenfeng Ding, Xuefeng Xu
  • Patent number: 11633876
    Abstract: A slurry scraping mechanism and an applying and scraping device used in an SG abrasive production process includes a scraping master support; a scraper, wherein the scraper is connected with the scraping master support through a suspension component such that the scraper is suspended, and a damping spring is arranged in the suspension component; and a torsion spring adjusting component, wherein the torsion spring adjusting component includes a plurality of torsion springs supported by a torsion spring support shaft, the torsion spring support shaft is fixed to the scraping master support, the torsion spring support shaft is movable up and down relative to the scraping master support, the torsion springs are clamped in a V-shaped plate, an end side of the V-shaped plate is connected with the scraping master support, and a side surface of the V-shaped plate is connected with the scraper.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 25, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO SISA ABRASIVES CO., LTD.
    Inventors: Changhe Li, Baoteng Huang, Han Zhai, Bingheng Lu, Huajun Cao, Zhen Wang, Qidong Wu, Yanbin Zhang, Min Yang, Yali Hou, Mingzheng Liu, Xin Cui
  • Patent number: 11628530
    Abstract: The present invention discloses a positioning system with an adjustable clamping force and a milling equipment for a rail transit honeycomb workpiece.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: April 18, 2023
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, QINGDAO KAWS INTELLIGENT MANUFACTURING CO. LTD.
    Inventors: Changhe Li, Zhuang Shi, Aiguo Qin, Bo Liu, Yun Chen, Huajun Cao, Zongming Zhou, Naiqing Zhang, Qidong Wu, Bingheng Lu, Teng Gao, Yanbin Zhang, Min Yang, Mingzheng Liu, Xiaoming Wang
  • Patent number: 11628993
    Abstract: An automatic tray loading system and a use method of the same are provided, which includes a stacked tray assembly, including at least one tray which is stacked up, where the at least one tray is provided with several locating slots; a tray lifting platform which includes a tray supporting table being connected with a elevating mechanism; a tray pick and place platform having a working region covers a tray input module, where the tray pick and place platform includes a manipulator which is connected with a multidimensional motion mechanism; and a delivery table including a tray placement plate, where each of the tray placement plate is provided with a groove which is configured to place the at least one layer of trays, and each of the tray placement plates is connected with a linear driving mechanism.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: April 18, 2023
    Assignees: Qingdao University of Technology, Ningbo Sanhan Alloy Material Co., Ltd.
    Inventors: Changhe Li, Yuying Yang, Haogang Li, Liang Luo, Weixi Ji, Binhui Wan, Shuo Yin, Huajun Cao, Bingheng Lu, Lizhi Tang, Xin Cui, Mingzheng Liu, Yanbin Zhang, Jie Xu, Huiming Luo, Haizhou Xu, Min Yang, Huaping Hong, Teng Gao, Wuxing Ma, Shuai Chen
  • Publication number: 20230046373
    Abstract: Provided a fixture for automatic assembly, overturning and welding of sidewall aluminum profile of rail vehicle, comprising a lifting mechanism, a supporting overturning device mounted on the lifting mechanism, an automatic assembling sidewall profile device mounted on the supporting overturning device, and a self-positioning locking device; the automatic assembling sidewall profile device comprises a sidewall-shaped support steel beam, and a rodless cylinder track platform and a fixing seat mounted on a top end thereof; the self-positioning locking devices are respectively mounted on the rodless cylinder track platform and the fixing seat, comprising a self-positioning base and a locking device; the self-positioning base comprises an outer housing of which the one side is provided with the locking device and inside which are provided with two symmetrically set self-positioning supports, and faces of the two self-positioning supports matching with the rail vehicle aluminum profile are provide with rollers for
    Type: Application
    Filed: June 1, 2022
    Publication date: February 16, 2023
    Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, UNIVERSITY OF SHARJAH
    Inventors: Changhe LI, Zhuang SHI, Bo LIU, Huajun CAO, Wenfeng DING, Xin CUI, Zafar SAID, Yanbin ZHANG
  • Publication number: 20230042406
    Abstract: A system for machining and positioning an automobile hub and a production line for intelligent cleaning and precision including upper and lower mounting plates connected vertically. At least three U-shaped blocks are fixed on a top surface of the upper plate. An L-shaped support is mounted between every two blocks including a screw-equipped ball head disposed thereon. The support is driven by a first driving apparatus to move along the upper mounting plate. A slidable chuck is disposed in each block, with a push rod assembly connected to the bottom. The assembly is driven by a second driving apparatus to move along the upper mounting plate with the chuck. Three wedges are circumferentially fixed on a top surface of the lower plate and are driven by a third driving apparatus to move along the lower plate. Inclined surfaces of the wedges are mated with bottoms of the push rod assemblies.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 9, 2023
    Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, HANERGY (QINGDAO) LUBRICATION TECHNOLOGY CO., LTD.
    Inventors: Changhe LI, Dewei LIU, Zongming ZHOU, Qidong WU, Bingheng LU, Bo LIU, Yun CHEN, Huajun CAO, Cong MAO