CN112692553B - Control system for steel wire thread insert mounting technological parameters - Google Patents
Control system for steel wire thread insert mounting technological parameters Download PDFInfo
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- CN112692553B CN112692553B CN202011500765.3A CN202011500765A CN112692553B CN 112692553 B CN112692553 B CN 112692553B CN 202011500765 A CN202011500765 A CN 202011500765A CN 112692553 B CN112692553 B CN 112692553B
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- parameters
- steel wire
- installation
- wire thread
- thread insert
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/065—Arrangements for torque limiters or torque indicators in screw or nut setting machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/08—Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
- B25J13/085—Force or torque sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/02—Sensing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1679—Programme controls characterised by the tasks executed
- B25J9/1687—Assembly, peg and hole, palletising, straight line, weaving pattern movement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a control system for steel wire thread insert installation process parameters. The control system comprises a torque sensor, a displacement sensor, a controller, a process parameter optimization module and a data storage module; the torque sensor and the displacement sensor acquire torque and depth parameters of the steel wire thread insert installation process in real time, the data storage module stores the received parameters and installation quality data, the process parameter optimization module reads all data stored in the data storage module, establishes the relationship between the process parameters and the quality data of each type and material of the steel wire thread insert, and acquires various steel wire thread insert installation quality data and optimized process parameters according to the determined relationship; the controller reads the optimized technological parameters according to the instructions of the operator and outputs the optimized technological parameters to the control system of the robot. The invention solves the technical problems of low efficiency and poor quality caused by a manual installation mode, ensures stable and reliable execution of technological parameters, and achieves the aim of stably controlling the technological parameters and controlling the installation quality.
Description
Technical Field
The invention belongs to the technical field of mechanical installation, and particularly relates to a control system for installation process parameters of a steel wire thread insert.
Background
The steel wire thread insert is generally formed by winding a high-hardness corrosion-resistant steel wire with a rhombic section, and is a spring-shaped concentric body with inner and outer threads, the outer thread of the steel wire thread insert is screwed into a thread groove specially used for mounting the steel wire thread insert on a machine part, the inner thread is a standard internal thread used for fastening a connecting piece, and the section shape of the steel wire thread insert is the combination of the inner thread and the outer thread. At present, a large number of aluminum alloy box bodies and shell parts with smaller weight are adopted to reduce the weight of products, and the problem of low threaded connection strength of the aluminum alloy parts is well solved by the steel wire thread insert technology. The installation of the steel wire thread inserts mainly adopts a manual installation mode, no specific numerical value of a process parameter exists, no equipment and method for stably and reliably executing the process parameter exist, the installation efficiency of a single steel wire thread insert is low, the qualification rate is low, the repair rate is high when a large number of steel wire thread inserts are installed, and the product manufacturing period is greatly influenced. The defects of the background art are that faults such as jamming, tooth jumping and the like often occur due to uneven force application or stress during installation of the steel wire thread insert, time is wasted due to repeated installation if the faults occur, and a threaded hole is damaged if the faults occur, so that the faults cause damage to a structural part, the production quality and efficiency of a product are seriously influenced due to the lack of a process parameter control method, and the requirements for rapid and high-quality delivery of the product are difficult to meet.
Disclosure of Invention
The invention aims to provide a control system for technological parameters of a steel wire thread insert, which solves the technical problems of low efficiency and poor quality caused by a manual installation mode, ensures stable and reliable execution of the technological parameters and achieves the aim of stably controlling the technological parameters and controlling the installation quality.
The technical scheme of the invention is that a control system for technological parameters of a steel wire thread insert comprises a torque sensor, a displacement sensor, a controller, a technological parameter optimization module and a data storage module; the tightening shaft is fixedly connected to a main shaft of the robot, the torque sensor and the displacement sensor are fixed on the tightening shaft, the torque sensor and the displacement sensor acquire torque and depth parameters of the steel wire thread insert in the installation process in real time, and the torque sensor and the displacement sensor respectively transmit the acquired parameters to the data storage module; the data storage module stores the received parameters and the installation quality data, the technological parameter optimization module reads the data storage module to store all data, performs statistical analysis on all installation process parameters and the installation quality data, establishes the relationship between the technological parameters and the quality data of the steel wire thread inserts of each type and material according to the statistical result, obtains various steel wire thread insert installation quality data and optimized technological parameters according to the determined relationship, forms a reconstructed installation quality model, and outputs various steel wire thread insert installation quality data and optimized technological parameters to the data storage module;
the method comprises the following steps that installation processes of various steel wire thread inserts are prestored in a controller, in the installation process of the steel wire thread inserts, the controller selects a corresponding process of the steel wire thread inserts to be installed according to an operator instruction, a reconstructed installation quality model is read from a data storage module according to the operator instruction, optimized process parameters are obtained, and the controller outputs the optimized process parameters to a control system of the robot; in the installation process, the torque sensor and the displacement sensor acquire installation torque and depth parameters in real time, the torque sensor and the displacement sensor output acquired data to the controller, the controller judges whether the real-time parameters deviate from the optimized technological parameter range according to the received real-time installation torque and depth parameters, and when the real-time parameters are inconsistent with the optimized technological parameters, the controller outputs an alarm prompt.
The invention has the advantages that the consistency of the installation quality of the steel wire thread insert can be greatly improved, the installation efficiency is improved, the applicability is improved through the optimization of the process parameters of the measured data and the quality error prevention, all elements of the process control are provided, the method is suitable for the processes of press mounting, screwing and the like in automatic assembly, and all assembly links are basically covered.
Drawings
FIG. 1 is a schematic diagram of a control system for process parameters of a wire thread insert according to the present invention;
fig. 2 is a control operation diagram of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail by combining the drawings in the specification.
As shown in fig. 1, the control system for the process parameters of the steel wire thread insert of the present invention comprises a torque sensor, a displacement sensor, a controller, a process parameter optimization module and a data storage module.
The controller is used as the brain of the robot, the tightening shaft, the data storage module and the process parameter optimization module to realize overall control, and the tightening shaft is fixedly connected to the main shaft of the robot, namely the tightening shaft is arranged at the tail end of the robot. The torque sensor and the displacement sensor are both fixed on the tightening shaft. The torque sensor and the displacement sensor on the tightening shaft acquire parameters such as torque, depth and the like of all test steel wire thread inserts in real time, the torque sensor (torque) and the displacement sensor (press-fitting depth) respectively transmit acquired data to the data storage module, the data storage module stores the acquired mounting process data and mounting quality data, the process parameter optimization module reads the data storage module to store all the data, performs statistical analysis on all the mounting process data and the mounting quality data, establishes the relation between the process parameters and the quality data of each type and material of steel wire thread insert according to the statistical result, determines the mounting quality data and the optimized process parameters of various steel wire thread inserts, forms a reconstructed mounting quality model, and outputs the mounting quality data and the optimized process parameters of various steel wire thread inserts to the data storage module.
The controller prestores installation flows of various steel wire thread inserts, selects the corresponding flow of the steel wire thread insert to be installed according to the instruction of an operator in the installation process of the steel wire thread insert, and reads the reconstructed installation quality model from the data storage module according to the instruction to obtain optimized process parameters, the controller outputs the optimized process parameters to the robot control system, the robot completes the installation of the steel wire thread insert according to the optimized process parameters, in the installation process, the torque sensor and the displacement sensor acquire parameters such as torque, depth and the like in real time, the torque sensor and the displacement sensor output acquired data to the controller, the controller judges whether the real-time parameters deviate from the range of optimized process parameters, when the real-time parameters are abnormal (are inconsistent with the optimized process parameters), the controller gives an alarm prompt to realize the real-time monitoring of the process parameters, so that a basis is provided for subsequent installation.
In order to clarify the description of the entire process of process parameter control, the entire process of wire thread insert installation including process parameter control will now be described, as shown in fig. 2. Manually placing the part on a tool table, and identifying the part by an industrial camera to ensure that the type of the part to be provided with the steel wire thread insert is correct; the robot grabs the steel wire thread insert, installs the steel wire thread insert according to technological parameters such as optimized torque, depth and the like, gives an alarm to prompt if the torque is abnormal in the screwing process, and then continues to screw the steel wire thread insert until all the steel wire thread inserts are installed.
The method has two functions, namely, acquiring the installation process parameters of the steel wire thread insert in real time, providing basic data for model reconstruction and further realizing process parameter optimization; and secondly, executing optimized process parameters and monitoring the mounting abnormity. The system forms optimized process parameters on the basis of obtaining the installation data, realizes accurate execution of the process parameters through automatic equipment such as a robot and the like, can monitor abnormity of the installation process in real time, strengthens quality control of the installation process through the system, and fundamentally improves the installation quality.
Claims (1)
1. A control system for technological parameters of a steel wire thread insert is characterized in that: the control system comprises a torque sensor, a displacement sensor, a controller, a process parameter optimization module and a data storage module; the tightening shaft is fixedly connected to a main shaft of the robot, the torque sensor and the displacement sensor are fixed on the tightening shaft, the torque sensor and the displacement sensor acquire torque and depth parameters of the steel wire thread insert in the installation process in real time, and the torque sensor and the displacement sensor respectively transmit the acquired parameters to the data storage module; the data storage module stores received parameters and installation quality data, the process parameter optimization module reads the data storage module to store all data, performs statistical analysis on all installation process parameters and installation quality data, establishes the relationship between the process parameters and the quality data of each type and material of the steel wire thread insert according to the statistical result, obtains various steel wire thread insert installation quality data and optimized process parameters according to the determined relationship, forms a reconstructed installation quality model, and outputs various steel wire thread insert installation quality data and optimized process parameters to the data storage module;
the method comprises the following steps that installation processes of various steel wire thread inserts are prestored in a controller, in the installation process of the steel wire thread inserts, the controller selects a corresponding process of the steel wire thread inserts to be installed according to an operator instruction, a reconstructed installation quality model is read from a data storage module according to the operator instruction, optimized process parameters are obtained, and the controller outputs the optimized process parameters to a control system of the robot; in the installation process, the torque sensor and the displacement sensor acquire installation torque and depth parameters in real time, the torque sensor and the displacement sensor output acquired data to the controller, the controller judges whether the real-time parameters deviate from the optimized technological parameter range according to the received real-time installation torque and depth parameters, and when the real-time parameters are inconsistent with the optimized technological parameters, the controller outputs an alarm prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011500765.3A CN112692553B (en) | 2020-12-17 | 2020-12-17 | Control system for steel wire thread insert mounting technological parameters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011500765.3A CN112692553B (en) | 2020-12-17 | 2020-12-17 | Control system for steel wire thread insert mounting technological parameters |
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| Publication Number | Publication Date |
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| CN112692553A CN112692553A (en) | 2021-04-23 |
| CN112692553B true CN112692553B (en) | 2022-05-17 |
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| CN113523785A (en) * | 2021-08-24 | 2021-10-22 | 苏州迈智诺智能装备科技有限公司 | Flexible automatic installation production line for steel wire thread insert |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT1306507B1 (en) * | 1998-09-28 | 2001-06-11 | Claudio Arrighi | INTRINSICALLY SAFE CONFIGURABLE MULTI-FUNCTION PRESS WITH MOBILE TROLLEY WITH ADJUSTABLE STAND AND MULTIFULCRABLE LEVER |
| US20070289114A1 (en) * | 2006-06-19 | 2007-12-20 | Alcoa Global Fasteners, Inc. | Installation tool for wire thread inserts |
| US9032602B2 (en) * | 2011-07-15 | 2015-05-19 | The Boeing Company | Methods and systems for in-process quality control during drill-fill assembly |
| DE102012010662A1 (en) * | 2012-05-31 | 2012-12-13 | Daimler Ag | Method for producing screw connection by robot, involves screwing one component with another component in operative connection by thread, and holding former component in manipulator arranged in terminal axle of robot |
| CN203526931U (en) * | 2013-10-18 | 2014-04-09 | 中核（天津）机械有限公司 | Device for automatically screwing up double-end stud and nuts |
| CN103934673B (en) * | 2014-03-24 | 2016-08-17 | 东莞市聚川装配自动化技术有限公司 | Numerical control electric screwdriver based on static torque sensor and control method |
| CN205271372U (en) * | 2015-12-31 | 2016-06-01 | 新疆金风科技股份有限公司 | Bolt fastening system |
| CN107470896B (en) * | 2017-09-05 | 2019-04-12 | 天合汽车零部件（上海）有限公司 | Fastener external screw thread just matches internal screw thread monitoring device and monitoring method |
| CN108326541A (en) * | 2018-05-10 | 2018-07-27 | 中车株洲电机有限公司 | A kind of bolts assemblies clamp device |
| CN108994767B (en) * | 2018-08-06 | 2021-04-20 | 北京金风科创风电设备有限公司 | Bolt fastening device, control method and system, and data analysis method and system |
| FR3088229B1 (en) * | 2018-11-09 | 2020-10-30 | Renault Georges Ets | METHOD OF CHECKING A LEVEL OF TIGHTENING QUALITY OF A SCREWDRIVER, ASSOCIATED DEVICE AND PROGRAM IMPLEMENTING THE PROCESS |
| CN111489517B (en) * | 2019-01-25 | 2023-08-01 | 富士康精密电子（太原）有限公司 | Screw locking abnormality warning method, device, computer device and storage medium |
| CN211708589U (en) * | 2019-12-05 | 2020-10-20 | 精进电动科技(菏泽)有限公司 | Equipment for installing steel wire thread insert |
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