Patents by Inventor Changhe Li

Changhe 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).

  • Publication number: 20210339426
    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: Application
    Filed: October 30, 2019
    Publication date: November 4, 2021
    Applicants: 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: 11161210
    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: November 14, 2019
    Date of Patent: November 2, 2021
    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
  • Publication number: 20210331281
    Abstract: The disclosure provides a method and system for injecting cutting fluid during milling under different working conditions. By analyzing influence of an airflow field in a milling area under different working conditions on injection of cutting fluid, an influence rule of a helical angle and a rotation speed of a cutter on the flow field is quantitatively analyzed, an optimal target distance of a nozzle, an angle between the nozzle and a milling cutter feeding direction and an angle between the nozzle and the surface of a workpiece are comprehensively determined, the nozzle is set according to a determined setting manner, and lubricating oil is sprayed to the milling area by utilizing the nozzle.
    Type: Application
    Filed: July 2, 2021
    Publication date: October 28, 2021
    Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, CHONGQING UNIVERSITY, SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD
    Inventors: Changhe LI, Qingan YIN, Huajun CAO, Yonghong LIU, Wenfeng DING, Naiqing ZHANG, Lan DONG, Zhenjing DUAN, Yanbin ZHANG, Xiufang BAI, Menghua SUI, Wentao WU, Teng GAO, Min YANG, Dongzhou JIA, Runze LI, Yali HOU
  • Patent number: 11084136
    Abstract: The disclosure provides a method and system for milling injected cutting fluid under different working conditions. By analyzing influence of airflow fields in a milling area under different working conditions on injection of cutting fluid, an influence rule of a helical angle and a rotation speed of a cutter on the flow field is quantitatively analyzed, an optimal target distance of a nozzle, an angle between the nozzle and a milling cutter feeding direction and an angle between the nozzle and the surface of a workpiece are comprehensively determined, the nozzle is set according to a determined setting manner, and lubricating oil is sprayed to the milling area by utilizing the nozzle.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: August 10, 2021
    Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, CHONGQING UNIVERSITY, SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD
    Inventors: Changhe Li, Qingan Yin, Huajun Cao, Yonghong Liu, Wenfeng Ding, Naiqing Zhang, Lan Dong, Zhenjing Duan, Yanbin Zhang, Xiufang Bai, Menghua Sui, Wentao Wu, Gao Teng, Min Yang, Dongzhou Jia, Runze Li, Yali Hou
  • Publication number: 20210229238
    Abstract: An electrostatic nozzle and a minimal quantity lubricating and grinding system for a controllable jet. An electrostatic nozzle includes a nozzle core, an upper nozzle body being connected above the nozzle core; an empty space being formed between the upper nozzle body and the nozzle core for storing compressed air and decompression; a lower nozzle body being connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber, and a nozzle outlet being sequentially disposed inside the nozzle core from top to bottom; and micro-convex bodies being evenly arranged on an inner wall of the acceleration chamber.
    Type: Application
    Filed: February 6, 2020
    Publication date: July 29, 2021
    Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, INNER MONGOLIA UNIVERSITY FOR NATIONALITIES
    Inventors: Changhe LI, Dongzhou JIA, Huajun CAO, Xuefeng XU, Zhiguang HAN, Naiqing ZHANG, Huayang ZHAO, Min YANG, Yanbin ZHANG, Xiaoming WANG, Runze LI, Teng GAO, Wentao WU, Xin CUI, Yali HOU
  • Patent number: 11047818
    Abstract: The present invention discloses an integrated online measurement system for thermophysical property parameters of nanofluid cutting fluid, consisting of a gas path system, a fluid path system, a nanofluid thermal conductivity measurement device, a measurement device for a convective heat transfer coefficient and a nanofluid/workpiece heat partition ratio of the nanofluid cutting fluid, and a grinding force and grinding temperature measurement device or a milling force and milling temperature measurement device; the nanofluid thermal conductivity measurement device is located in the fluid path system; the gas path system provides pressure for the nanofluid in the fluid path system, two nozzles lead out from the fluid path system, and the nanofluid gas spray ejected by the nozzle I is sprayed onto the surface of a workpiece I to form the measurement device for the nanofluid convective heat transfer coefficient and the nanofluid/workpiece heat partition ratio; and the nanofluid gas spray ejected by the nozzle II
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: June 29, 2021
    Inventors: Changhe Li, Min Yang, Runze Li, Yanbin Zhang, Xianpeng Zhang, Heju Ji, Yali Hou, Naiqing Zhang, Qidong Wu
  • Patent number: 10969058
    Abstract: A continuous supply precision minimum quantity lubrication pump supporting different lubrication conditions, including a pump system, a gas source processor, a driving system, an oil cup, a water pump, a two-position three-way solenoid valve, a water tank and an emulsion storage tank, wherein the processor is connected with the pump system through a bidirectional joint, the oil cup is connected with the pump system through an oil cup joint, the water pump is installed in a driving box body of the driving system and is connected with the pump system through a hose, the water tank and the emulsion storage tank are connected with the two-position three-way solenoid valve, the two-position three-way solenoid valve is connected with the driving system, and the driving system and the water pump are respectively driven by a stepping motor I and a stepping motor II.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: April 6, 2021
    Assignee: QINGDAO UNIVERSITY OF TECHNOLOGY
    Inventors: Changhe Li, Yanbin Zhang, Dongzhou Jia, Min Yang, Naiqing Zhang, Heju Ji, Zhaorong Bing, Yali Hou, Qidong Wu
  • Publication number: 20210062057
    Abstract: Disclosed is a slurry screeding mechanism used in the production process of the SG abrasive. The slurry screeding mechanism includes a screeding main support; a screeding plate which is connected with the screeding main support through a suspension component so that the screeding plate 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 on the screeding main support; the torsion spring support shaft can move up and down relative to the screeding main support; the torsion springs are clamped in a V-shaped plate; an end side of the V-shaped plate is connected with the screeding main support; and a side surface of the V-shaped plate is connected with the screeding plate.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 4, 2021
    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
  • Publication number: 20210031272
    Abstract: Provided is an external cooling texture turning tool component and a turning process system for coupling nanofluid minimum quantity lubricant with a micro-texture tool. The external cooling texture turning tool component comprises an external cooling turning tool handle and an external cooling turning tool blade; the external cooling turning tool blade is arranged at one end of the external cooling turning tool handle serving as a bearing device; an external cooling turning tool pad is arranged between the external cooling turning tool blade and a structure of the external cooling turning tool handle bearing the blade; an external cooling turning tool pressing plate part is further arranged on the external cooling turning tool handle; the external cooling turning tool blade is tightly pressed on the external cooling turning tool handle by the external cooling turning tool pressing plate part.
    Type: Application
    Filed: December 23, 2019
    Publication date: February 4, 2021
    Inventors: Changhe LI, Xiaoming WANG, Liang LUO, Huajun CAO, Bingheng LU, Runze LI, Yanbin ZHANG, Huiming LUO, Yuchen DIAO, Haizhou XU, Dongzhou JIA, Min YANG, Yali HOU
  • Publication number: 20200376565
    Abstract: The present disclosure proposes an electrocaloric assisted internal cooling, texture turning tool and a nanofluid minimal quantity lubrication (NMQL) intelligent working system. The electrocaloric assisted internal cooling texture turning tool comprises an internal cooling turning tool handle, a direction-adjustable nozzle and an internal cooling turning tool blade; the internal cooling turning tool blade is arranged at one end of the internal cooling turning tool handle serving as a bearing device; an internal cooling turning tool pad is arranged between the internal cooling turning tool blade and a structure of the internal cooling turning tool handle bearing the blade; an internal cooling turning tool blade pressing device is further arranged on the internal cooling turning tool handle; the internal cooling turning tool blade is tightly pressed on the internal cooling turning tool handle by the internal cooling turning tool blade pressing device.
    Type: Application
    Filed: January 15, 2020
    Publication date: December 3, 2020
    Inventors: Changhe LI, Xiaoming WANG, Liang LUO, Huajun CAO, Bingheng LU, Runze LI, Yanbin ZHANG, Huiming LUO, Yuchen DIAO, Haizhou XU, Dongzhou JIA, Min YANG, Yali HOU
  • Publication number: 20200368867
    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: Application
    Filed: December 6, 2018
    Publication date: November 26, 2020
    Applicant: 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
  • Publication number: 20200282411
    Abstract: The present disclosure provides an electrostatic nozzle and a controllable jet minimal quantity lubrication (MQL) grinding system. The electrostatic nozzle comprises a nozzle core; an upper nozzle body is connected above the nozzle core; a free space is formed between the upper nozzle body and the nozzle core for storing compressed air and reducing pressure; a lower nozzle body is connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber and a nozzle outlet are sequentially arranged inside the nozzle core from top to bottom; and micro-bulges are uniformly distributed on an inner wall of the acceleration chamber.
    Type: Application
    Filed: January 15, 2020
    Publication date: September 10, 2020
    Inventors: Changhe LI, Dongzhou JIA, Huajun CAO, Xuefeng XU, Zhiguang HAN, Naiqing ZHANG, Huayang ZHAO, Min YANG, Yanbin ZHANG, Xiaoming WANG, Runze LI, Teng GAO, Wentao WU, Xin CUI, Yali HOU
  • Publication number: 20200254282
    Abstract: A neurosurgical ultrasonic focusing assisted three-stage atomization cooling and postoperative wound film forming device has a transducer housing and a nozzle, wherein a horn is arranged in the transducer housing, at least two layers of piezoelectric ceramic sheets are arranged at the top of the horn, an electrode sheet connected with an ultrasonic generator is arranged between two adjacent layers of piezoelectric ceramic sheets, the bottom of the transducer housing is of a hemispherical structure, and a plurality of piezoelectric elements connected with the ultrasonic generator are arranged inside the hemispherical structure; and the nozzle is arranged at the bottom of the horn and connected with a medical nanofluid storage cup, compressed gas can also be introduced into the nozzle, and an electrode is also arranged inside the nozzle.
    Type: Application
    Filed: February 2, 2018
    Publication date: August 13, 2020
    Applicants: QINGDAO UNIVERSITY OF TECHNOLOGY, UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Changhe LI, Min YANG, Runze LI, Yiliang YANG, Yali HOU, Dongzhou JIA, Yanbin ZHANG, Xiaowei ZHANG
  • Publication number: 20200248867
    Abstract: The present invention relates to a device for recovering, separating and purifying oil mist in a minimum quantity lubricant (MQL) grinding process, comprising: an air separating mechanism, which comprises a pipeline and a fan fixedly connected with one end of the pipeline, wherein the fan is used for forming negative pressure in the pipeline, at least, one conical filter mesh mechanism is arranged in the pipeline, and a tip of the conical filter mesh mechanism faces one side of an air inlet direction of the pipeline; and a filtering and recovering mechanism, which is connected with the pipeline and comprises a tank body, a filtering mechanism and a recovering mechanism, wherein the tank body is connected with the pipeline by a connecting part, and the filtering mechanism is connected with the recovering mechanism.
    Type: Application
    Filed: December 23, 2019
    Publication date: August 6, 2020
    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: 10695889
    Abstract: A multi-angle two-dimensional ultrasonic vibration assisted nanofluid micro-lubrication grinding device includes a workpiece fixture for clamping a workpiece and a grinding wheel for grinding the workpiece, the fixture being connected with a two-dimensional ultrasonic vibration device to maintain the sharpness of the grinding wheel cutting edge and cool the grinding temperature on the workpiece surface; a jetting mechanism used for jetting nanofluid to the workpiece is arranged on one side of the grinding wheel so as to form two-dimensional ultrasonic vibration and nanofluid micro-lubrication grinding coupling; the device applies the variable-angle two-dimensional ultrasonic vibration technology to grinding processing, and adjusts the angles of two ultrasonic vibrators to generate different combined vibration directions to change the relative movement trajectories of abrasive particles and a workpiece.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: June 30, 2020
    Assignee: QINGDAO TECHNOLOGICAL UNIVERSITY
    Inventors: Changhe Li, Xianpeng Zhang, Yanbin Zhang, Min Yang, Shuming Guo, Naiqing Zhang, Qidong Wu, Huajun Cao
  • Publication number: 20200164447
    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: Application
    Filed: November 14, 2019
    Publication date: May 28, 2020
    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
  • Publication number: 20200164475
    Abstract: The present invention discloses a tool device for auxiliary chip breaking and a tool system for auxiliary chip breaking under different lubricating conditions, which solves the problem that long chips affect the surface quality of a workpiece in the prior art and has the beneficial effects of realizing chip breaking and wide scope of application. The solution of the present invention is as follows: the tool device for auxiliary chip breaking includes a cutting mechanism for cutting the workpiece, arranged above the workpiece; a tool magazine mechanism, including a first rotating mechanism and a plurality of tools connected with the first rotating mechanism; and a tool changing mechanism, including a second rotating mechanism and manipulators connected with the second rotating mechanism, and arranged between the tool magazine mechanism and the cutting mechanism.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 28, 2020
    Inventors: Changhe LI, Qingan YIN, Huajun CAO, Wenfeng DING, Naiqing ZHANG, Yonghong LIU, Xiufang BAI, Lan DONG, Zhenjing DUAN, Yanbin ZHANG, Menghua SUI, Wentao WU, Teng GAO, Min YANG, Dongzhou JIA, Runze LI, Yali HOU
  • Publication number: 20200164476
    Abstract: The disclosure provides a method and system for milling injected cutting fluid under different working conditions. By analyzing influence of airflow fields in a milling area under different working conditions on injection of cutting fluid, an influence rule of a helical angle and a rotation speed of a cutter on the flow field is quantitatively analyzed, an optimal target distance of a nozzle, an angle between the nozzle and a milling cutter feeding direction and an angle between the nozzle and the surface of a workpiece are comprehensively determined, the nozzle is set according to a determined setting manner, and lubricating oil is sprayed to the milling area by utilizing the nozzle.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 28, 2020
    Inventors: Changhe LI, Qingan YIN, Huajun CAO, Yonghong LIU, Wenfeng DING, Naiqing ZHANG, Lan DONG, Zhenjing DUAN, Yanbin ZHANG, Xiufang BAI, Menghua SUI, Wentao WU, GAO Teng, Min YANG, Dongzhou JIA, Runze LI, Yali HOU
  • Publication number: 20200138083
    Abstract: The disclosure discloses an automated production system for efficient walnut shell-breaking, kernel-taking and shell-kernel separation, solving the problem that the existing walnut shell breaking device cannot adapt to walnuts having different sizes and shell breaking rate and shell breaking efficiency cannot be ensured. The system can realize efficient shell-breaking, kernel-taking and shell-kernel separation on different varieties of walnuts, is quick in production speed and high in automation degree, and meanwhile is capable of improving entire kernel rate and kernel obtaining rate, reducing the damage rate of the walnut kernel and ensuring the high shell-breaking efficiency and thoroughness of shell and kernel separation.
    Type: Application
    Filed: December 12, 2019
    Publication date: May 7, 2020
    Inventors: Changhe LI, Mingzheng LIU, Ji CHE, Yali HOU, Yanbin ZHANG, Dongzhou JIA, Cai WANG, Pengfei YUAN, Yuan HONG
  • Publication number: 20200128866
    Abstract: Disclosed is a continuous feeding mechanism including a transfer mechanism, wherein the transfer mechanism includes a rotatable indent roller circumferentially provided with a plurality of blanking grooves; a post pin is arranged in each blanking groove; the post pin is connected with a spring; the spring is arranged towards the interior of the indent roller; and the post pin can move along the blanking grooves; a feeding box, wherein the bottom of the feeding box is hollow, and the bottom is arranged above the indent roller or the bottom is fixedly connected with the indent roller; the continuous feeding mechanism is arranged above one side of the transfer mechanism; and an electromagnetic heating mechanism which includes a supporting frame, wherein the transfer mechanism is arranged in the supporting frame, and an electromagnetic coil is circumferentially arranged outside the supporting frame.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 30, 2020
    Inventors: Changhe LI, Mingzheng LIU, Ji CHE, Sanqiang ZHANG, Yanbin ZHANG, Dongzhou JIA, Cai WANG, Weidong XIE, Qianqian ZHAO, Mingchuang KANG, Enhao LIU, Zhaohua LI, Yali HOU