CN113858332A - Method for automatically mounting pins on formed large-layout-size PCB - Google Patents

Method for automatically mounting pins on formed large-layout-size PCB Download PDF

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Publication number
CN113858332A
CN113858332A CN202111234851.9A CN202111234851A CN113858332A CN 113858332 A CN113858332 A CN 113858332A CN 202111234851 A CN202111234851 A CN 202111234851A CN 113858332 A CN113858332 A CN 113858332A
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China
Prior art keywords
pin
pins
pcb
module
size
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CN202111234851.9A
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CN113858332B (en
Inventor
邓万权
文国堂
徐宏定
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Guangdong Xizhen Circuit Technology Co ltd
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Aoshikong Precision Circuit Huizhou Co ltd
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Publication of CN113858332A publication Critical patent/CN113858332A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/16Perforating by tool or tools of the drill type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/026Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention provides a method for automatically mounting pins on a molded PCB with a large typesetting size, which comprises an assembly system, and the specific method comprises the following steps: s1, selecting a positioning program according to the type of the PCB, and drilling a positioning hole on a board surface; s2, selecting the diameter of the pin and transmitting the pin; s3, setting a relative position distance, moving the binding position of the electric driving device and the main shaft, and automatically embedding a pin into the drilled positioning hole; and S4, finishing the pin installing operation. By the method, the operation mode of the oversized large typesetting is met on the premise of low cost and high efficiency, the scheme of automatically punching and automatically matching the upper pins is realized, the production management difficulty is greatly reduced, and the labor cost is reduced.

Description

Method for automatically mounting pins on formed large-layout-size PCB
Technical Field
The invention belongs to the technical field of PCB processing, and particularly relates to a method for automatically feeding pins on a formed PCB with a large typesetting size.
Background
At present, most of electronic products are developed in the direction of miniaturization and high precision, and the requirements of circuit densification, layout centralization and high hierarchy are correspondingly put forward on the used PCB. Meanwhile, in order to improve the competitiveness of manufacturing enterprises, the PCB production and manufacturing is developed towards the direction of large jointed boards, high efficiency, low cost and automation. The existing large jointed board forming process is restricted in the traditional pin punching mode, the pin punching speed is low, the operation of staff is extremely inconvenient, the time waste is too much, the efficiency is low, the production output is seriously influenced, the productivity balance output cannot be formed due to too low efficiency, the production automation cannot be realized, the manpower is increased, and the management difficulty and the management cost are improved in a phase-changing manner.
The traditional pin method is as follows: program drilling (positioning hole) → manual individual knocking-in → startup operation; the specific process flow method comprises the following steps: selecting a positioning program corresponding to a plate, and drilling a positioning hole on a table top; the diameter of a pin corresponding to the positioning hole is taken, an operator sequentially puts the drilled holes into the drilled holes and locks the drilled holes by an iron hammer and a fixing plate for firm knocking, the whole process is manually knocked one by one after the positioning holes are drilled, the efficiency is low, the maximum operable layout size is 725 x 625mm, and the operable layout can be bent and stretched into the table board.
With the development of enterprises, the automation promotion and the operation condition innovation, the makeup size is continuously enlarged, the operation and efficiency requirements cannot be met by the traditional method, and the upgrading is required in the aspects of automation and high efficiency.
Disclosure of Invention
In view of the above, the present invention provides a method for forming automatic pins on a large layout size PCB.
The technical scheme of the invention is as follows:
a method for forming automatic pins of a large-layout-size PCB is characterized by comprising an assembly system, and the specific method comprises the following steps: s1, selecting a positioning program according to the type of the PCB, and drilling a positioning hole on a board surface;
s2, selecting the diameter of the pin and transmitting the pin;
s3, setting the relative position distance, moving the binding position of the electric driving device and the main shaft, and automatically embedding pins into the drilled positioning holes;
and S4, finishing the pin installing operation.
Further, in step S1, the positioning holes are drilled in a two-hole positioning manner. The two-hole positioning technology can realize all preparation work (placing a bottom plate, pinning, applying an aluminum sheet and encapsulating) off-machine operation, and the upper plate and the lower plate only need to be sleeved into two positioning holes on a drilling machine, so that the speed is increased by multiple times; the model is also very fast by adopting a two-hole positioning technology, one positioning hole is movable, and different models can be realized by only finely adjusting the distance between the two holes. The two-hole positioning technology has the advantages of convenience in operation, rapidness and high efficiency.
Furthermore, the assembly system comprises a state sensing module, a real-time analysis module, a material management module, an autonomous decision-making module and a dynamic control and accurate execution module.
Furthermore, the state perception module comprises a torque sensor, a size sensor, a distance sensor, a displacement sensor and a CCD sensor.
Furthermore, the state perception module can perform real-time monitoring and recording, and perform fusion processing on the collected multi-source and heterogeneous data, so as to provide an information source basis for effective real-time analysis.
Furthermore, the real-time analysis module realizes the inference of the assembly process and the equipment running state.
Furthermore, the autonomous decision module gives out the adjustment requirement on the control and execution part according to the real-time analysis result, so that the actual state approaches the theoretical optimal state as much as possible. The quality of the autonomous decision is mainly determined by the type of the decision rule and the accumulation amount of the knowledge base, and the decision capability is continuously improved and optimized.
Furthermore, the dynamic control and accurate execution module and the dynamic regulation and control finger system can provide suggested correction parameters in the execution process according to real-time quality evaluation, so that accurate parameter matching of different individual pins or different batches of pins on a higher accuracy order of magnitude is realized; meanwhile, the control of the accurate movement of the execution part is realized, and the accurate positioning of the pin is achieved.
Furthermore, the material management module realizes timely delivery of materials such as raw materials, pins and parts to be assembled, and is a necessary condition for realizing intelligent automatic assembly of the pins. The lean production is realized by bringing information such as raw material stock, qualified pin quantity, the number of parts to be assembled, the quantity of finished products and the like into the management and control of the whole production link.
Further, in step S2, the method includes feeding detection and conveying, where the feeding detection mainly detects whether the diameter of the pin is qualified. When the pin passes through the feeding machine, the diameter is detected through the laser sensor, the image and the data of the diameter are transmitted to the computer, if the pin is unqualified in diameter, the computer system gives an alarm and marks, and unqualified products are removed before being conveyed to the assembly station.
Further, step S3 includes assembling with a robot, where the robot grips the pins at the preparation station and then assembles the pins. The system adopts a self-adaptive assembly mode, namely a mechanical gripper is driven by a servo motor, a harmonic reducer drives a cam disc to rotate to realize translational opening and closing of 2 fingers, the principle of the system is similar to that of an opening and closing nut mechanism of a common lathe, two fingers realize guiding through a dovetail groove, a groove is formed in the cam disc, a cylindrical pin (a deep groove ball bearing is arranged at the end part of the finger) is inserted into the groove of the cam disc, and when the cam disc rotates, the finger is driven by a cylinder to move towards a rotation center (folding) or away from the rotation center (opening). After the finger grasps the target, the cam groove realizes self-locking, and the finger cannot be loosened even if the motor is powered off. And measuring equipment such as a CCD camera, a laser range finder and the like are arranged on the paw base body and used for positioning the pose of the paw during capturing, and meanwhile, high-precision assembly is carried out after the center of the pin is centered.
Further, the method of the present invention is preferably applied to a large layout size PCB of 625 x 1092 mm.
By the method, the operation mode of the oversized large typesetting is met on the premise of low cost and high efficiency, the scheme of automatically punching and automatically matching the upper pins is realized, the production management difficulty is greatly reduced, and the labor cost is reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
A method for forming automatic pins of a large-layout-size PCB is characterized by comprising an assembly system, and the specific method comprises the following steps: s1, selecting a positioning program according to the type of the PCB, and drilling a positioning hole on a board surface;
s2, selecting the diameter of the pin and transmitting the pin;
s3, setting the relative position distance, moving the binding position of the electric driving device and the main shaft, and automatically embedding pins into the drilled positioning holes;
and S4, finishing the pin installing operation.
Further, in step S1, the positioning holes are drilled in a two-hole positioning manner. The two-hole positioning technology can realize all preparation work (placing a bottom plate, pinning, applying an aluminum sheet and encapsulating) off-machine operation, and the upper plate and the lower plate only need to be sleeved into two positioning holes on a drilling machine, so that the speed is increased by multiple times; the model is also very fast by adopting a two-hole positioning technology, one positioning hole is movable, and different models can be realized by only finely adjusting the distance between the two holes. The two-hole positioning technology has the advantages of convenience in operation, rapidness and high efficiency.
Furthermore, the assembly system comprises a state sensing module, a real-time analysis module, a material management module, an autonomous decision-making module and a dynamic control and accurate execution module.
Furthermore, the state perception module comprises a torque sensor, a size sensor, a distance sensor, a displacement sensor and a CCD sensor.
Furthermore, the state perception module can perform real-time monitoring and recording, and perform fusion processing on the collected multi-source and heterogeneous data, so as to provide an information source basis for effective real-time analysis.
Furthermore, the real-time analysis module realizes the inference of the assembly process and the equipment running state.
Furthermore, the autonomous decision module gives out the adjustment requirement on the control and execution part according to the real-time analysis result, so that the actual state approaches the theoretical optimal state as much as possible. The quality of the autonomous decision is mainly determined by the type of the decision rule and the accumulation amount of the knowledge base, and the decision capability is continuously improved and optimized.
Furthermore, the dynamic control and accurate execution module and the dynamic regulation and control finger system can provide suggested correction parameters in the execution process according to real-time quality evaluation, so that accurate parameter matching of different individual pins or different batches of pins on a higher accuracy order of magnitude is realized; meanwhile, the control of the accurate movement of the execution part is realized, and the accurate positioning of the pin is achieved.
Furthermore, the material management module realizes timely delivery of materials such as raw materials, pins and parts to be assembled, and is a necessary condition for realizing intelligent automatic assembly of the pins. The lean production is realized by bringing information such as raw material stock, qualified pin quantity, the number of parts to be assembled, the quantity of finished products and the like into the management and control of the whole production link.
Further, in step S2, the method includes feeding detection and conveying, where the feeding detection mainly detects whether the diameter of the pin is qualified. When the pin passes through the feeding machine, the diameter is detected through the laser sensor, the image and the data of the diameter are transmitted to the computer, if the pin is unqualified in diameter, the computer system gives an alarm and marks, and unqualified products are removed before being conveyed to the assembly station.
Further, step S3 includes assembling with a robot, where the robot grips the pins at the preparation station and then assembles the pins. The system adopts a self-adaptive assembly mode, namely a mechanical gripper is driven by a servo motor, a harmonic reducer drives a cam disc to rotate to realize translational opening and closing of 2 fingers, the principle of the system is similar to that of an opening and closing nut mechanism of a common lathe, two fingers realize guiding through a dovetail groove, a groove is formed in the cam disc, a cylindrical pin (a deep groove ball bearing is arranged at the end part of the finger) is inserted into the groove of the cam disc, and when the cam disc rotates, the finger is driven by a cylinder to move towards a rotation center (folding) or away from the rotation center (opening). After the finger grasps the target, the cam groove realizes self-locking, and the finger cannot be loosened even if the motor is powered off. And measuring equipment such as a CCD camera, a laser range finder and the like are arranged on the paw base body and used for positioning the pose of the paw during capturing, and meanwhile, high-precision assembly is carried out after the center of the pin is centered.
Further, the method of the present invention is preferably applied to a large layout size PCB of 625 x 1092 mm.
By the method, the operation mode of the oversized large typesetting is met on the premise of low cost and high efficiency, the scheme of automatically punching and automatically matching the upper pins is realized, the production management difficulty is greatly reduced, and the labor cost is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art in the field.

Claims (10)

1. A method for forming automatic pins of a large-layout-size PCB is characterized by comprising an assembly system, and the specific method comprises the following steps: s1, selecting a positioning program according to the type of the PCB, and drilling a positioning hole on a board surface;
s2, selecting the diameter of the pin and transmitting the pin;
s3, setting the relative position distance, moving the binding position of the electric driving device and the main shaft, and automatically embedding pins into the drilled positioning holes;
and S4, finishing the pin installing operation.
2. The method for forming automatic pins for large format PCB according to claim 1, wherein in step S1, the positioning holes are drilled in a two-hole positioning manner.
3. The method for forming the automatic pin on the PCB with the large typesetting size as claimed in claim 1, wherein the assembling system comprises a state sensing module, a real-time analysis module, a material management module, an autonomous decision module and a dynamic control and precision execution module.
4. The method for forming the automatic pin on the PCB with the large typesetting size as claimed in claim 3, wherein the state sensing module comprises a torque sensor, a size sensor, a distance sensor, a displacement sensor and a CCD sensor;
the state perception module can monitor and record in real time and perform fusion processing on the collected multi-source and heterogeneous data.
5. The method for automatically pinning a PCB of a large typeset size as recited in claim 3, wherein the real-time analysis module is used for deducing the assembling process and the equipment running state.
6. The method for forming pins on PCB of large typesetting size as claimed in claim 3, wherein the autonomous decision module gives the adjustment requirement for the control and execution part according to the real-time analysis result to make the actual state as much as possible
Possibly approaching a theoretical optimum.
7. The method for forming the automatic pins of the PCB with the large typesetting size as claimed in claim 3, wherein the dynamic control and precise execution module and the dynamic control finger system can provide suggested correction parameters in the execution process according to real-time quality evaluation, so as to realize precise parameter matching on higher precision orders of magnitude for different individual pins or different batches of pins; meanwhile, the control of the accurate movement of the execution part is realized, and the accurate positioning of the pin is achieved.
8. The method for forming the automatic pins of the PCB with the large typesetting size as claimed in claim 3, wherein the material management module is used for realizing the timely distribution of raw materials, pins and parts to be assembled.
9. The method for automatically forming pins on PCB with large typeset size as claimed in claim 1, wherein the step S2 comprises feeding detection and transportation, when the pins pass through the feeding machine, the diameter is detected by laser sensor, and the image and data of the diameter are transmitted to the computer, if the pin diameter is not qualified, the computer system alarms and marks, and the unqualified product is removed before transportation to the assembly station.
10. The method as claimed in claim 1, wherein the step S3 includes assembling with a robot arm, the robot arm is assembled after grabbing the pin at the material preparation station, and the robot arm is equipped with a CCD camera and a laser range finder for positioning the position and posture of the paw during the grabbing, and at the same time, the pin is assembled with high precision after centering the center of the pin.
CN202111234851.9A 2021-10-22 2021-10-22 Method for automatically mounting pins on formed PCB with large typesetting size Active CN113858332B (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1237025A2 (en) * 2001-02-28 2002-09-04 Sumitomo Electric Industries, Ltd. Opto-electronic module with printed circuit board (PCB)
CN105555029A (en) * 2015-12-14 2016-05-04 谢兴龙 Drilling hole positioning method of single-sided circuit and double-sided circuit board
CN105682381A (en) * 2016-03-03 2016-06-15 深圳市景旺电子股份有限公司 High multi-layer PCB and laminating method thereof
CN107666779A (en) * 2017-09-30 2018-02-06 重庆凯歌电子股份有限公司 A kind of positioning holes on circuit board processing method
CN108838673A (en) * 2018-07-24 2018-11-20 山东爱通工业机器人科技有限公司 Pcb board automatically beats the encapsulated production line of pin
US20180375270A1 (en) * 2016-04-11 2018-12-27 Zhuhai Enpower Electric Co., Ltd. Alternating current motor controller, laminated busbar assembly and manufacturing method thereof
CN208509386U (en) * 2018-07-24 2019-02-15 珠海市同辉电子有限公司 A kind of flexible PCB automatic nailing machine
CN208590159U (en) * 2018-07-24 2019-03-08 山东爱通工业机器人科技有限公司 Automatic drilling beats pin apparatuses
CN109562508A (en) * 2016-06-29 2019-04-02 古斯塔夫.克劳克有限责任公司 For running the method for the handheld device of hydraulic running and the handheld device of hydraulic running
CN210807820U (en) * 2019-10-12 2020-06-19 英德启利达电子有限公司 Automatic pin installing machine
CN211128421U (en) * 2019-07-11 2020-07-28 深圳市乐维机械有限公司 Full-automatic pin equipment of PCB board
CN111941342A (en) * 2020-08-20 2020-11-17 中国人民解放军第五七二一工厂 Special tool and method for assembling right-angle rotatable oil nozzle

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1237025A2 (en) * 2001-02-28 2002-09-04 Sumitomo Electric Industries, Ltd. Opto-electronic module with printed circuit board (PCB)
CN105555029A (en) * 2015-12-14 2016-05-04 谢兴龙 Drilling hole positioning method of single-sided circuit and double-sided circuit board
CN105682381A (en) * 2016-03-03 2016-06-15 深圳市景旺电子股份有限公司 High multi-layer PCB and laminating method thereof
US20180375270A1 (en) * 2016-04-11 2018-12-27 Zhuhai Enpower Electric Co., Ltd. Alternating current motor controller, laminated busbar assembly and manufacturing method thereof
CN109562508A (en) * 2016-06-29 2019-04-02 古斯塔夫.克劳克有限责任公司 For running the method for the handheld device of hydraulic running and the handheld device of hydraulic running
CN107666779A (en) * 2017-09-30 2018-02-06 重庆凯歌电子股份有限公司 A kind of positioning holes on circuit board processing method
CN108838673A (en) * 2018-07-24 2018-11-20 山东爱通工业机器人科技有限公司 Pcb board automatically beats the encapsulated production line of pin
CN208509386U (en) * 2018-07-24 2019-02-15 珠海市同辉电子有限公司 A kind of flexible PCB automatic nailing machine
CN208590159U (en) * 2018-07-24 2019-03-08 山东爱通工业机器人科技有限公司 Automatic drilling beats pin apparatuses
CN211128421U (en) * 2019-07-11 2020-07-28 深圳市乐维机械有限公司 Full-automatic pin equipment of PCB board
CN210807820U (en) * 2019-10-12 2020-06-19 英德启利达电子有限公司 Automatic pin installing machine
CN111941342A (en) * 2020-08-20 2020-11-17 中国人民解放军第五七二一工厂 Special tool and method for assembling right-angle rotatable oil nozzle

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