Vibration aging stress relief method and system

Abstract

The present invention provides a vibration aging stress relief method and system, the method comprising: identifying the first identification information of a workpiece to be subjected to vibration aging stress relief; based on the first identification information, obtaining the positioning information, transmission information, and vibration program information of the workpiece; based on the positioning information, adjusting the workpiece posture; based on the transmission information, transmitting the workpiece after the posture adjustment is completed to the vibration aging stress relief station; based on the vibration program information, installing an exciter and a vibration pickup on the workpiece after arriving at the station, completing the vibration program through the exciter, and collecting vibration feedback information through the vibration pickup. Through the automatic identification of the workpiece and the automatic calling of the operation program, the vibration aging stress relief is realized in an automated and unmanned operation.

Description

Technical Field

[0001] The present invention relates to the technical field of rail vehicle manufacturing, and in particular to a vibration aging stress relief method and system. Background Art

[0002] As a green and efficient stress relief process, vibration aging stress relief has obvious advantages over thermal aging stress relief process. It is becoming more and more urgent to promote the engineering application of vibration aging stress relief process in the rail transit industry. The research on vibration aging stress relief process is relatively mature, but in terms of engineering application, it still adopts a single machine and manual assisted operation method. The operation method is relatively backward and the operation data cannot be connected with the information system. In order to realize the construction of automated, unmanned and digital factories, the vibration aging process needs to be combined with the automation and digital construction of the production line for upgrading.

[0003] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Summary of the invention

[0004] In view of the problems existing in the prior art, the present invention provides a vibration aging stress relief method and system.

[0005] The present invention provides a vibration aging stress relief method, the method comprising:

[0006] Identify first identification information of a workpiece to be stress relieved by vibration aging;

[0007] Based on the first identification information, obtaining positioning information, transmission information, and vibration program information of the workpiece;

[0008] Based on the positioning information, adjusting the workpiece posture;

[0009] Based on the transmission information, the workpiece after the posture adjustment is completed is transmitted to the vibration aging stress relief station;

[0010] Based on the vibration program information, a vibration exciter and a vibration pickup are installed on the workpiece after it arrives at the workstation, the vibration program is completed by the vibration exciter, and vibration feedback information is collected by the vibration pickup.

[0011] According to a vibration aging stress relief method provided by the present invention, the method further comprises:

[0012] Based on the vibration feedback information, determining whether the vibration aging stress relief result of the workpiece meets the standard;

[0013] If it is determined that the vibration aging stress relief result of the workpiece meets the standard, the workpiece is transferred to the next process;

[0014] If it is determined that the vibration aging stress relief result of the workpiece does not meet the standard, the workpiece is transferred to a rework area.

[0015] According to a vibration aging stress relief method provided by the present invention, if it is determined that the vibration aging stress relief result of the workpiece meets the standard, the workpiece is transferred to the next process, comprising:

[0016] Conveying the workpiece to a material unloading area;

[0017] Identify second identification information of the workpiece arriving at the unloading area;

[0018] Based on the second identification information, the working time information of the completion of the vibration aging stress relief of the workpiece is generated.

[0019] According to a vibration aging stress relief method provided by the present invention, if it is determined that the vibration aging stress relief result of the workpiece does not meet the standard, the workpiece is transferred to a rework area, comprising:

[0020] conveying the workpiece to a rework area;

[0021] Identifying third identification information of the workpiece arriving at the rework area;

[0022] Based on the third identification information, abnormal information indicating that the vibration aging stress relief of the workpiece is not completed is generated.

[0023] The present invention also provides a vibration aging stress relief system, the system comprising:

[0024] An identification module, used to identify first identification information of a workpiece to be stress relieved by vibration aging;

[0025] A workpiece information acquisition module, used to acquire positioning information, transmission information, and vibration program information of the workpiece based on the first identification information;

[0026] A positioning module, used to adjust the workpiece posture based on the positioning information;

[0027] A conveying module, used for conveying the workpiece after the posture adjustment to a vibration aging stress relief station based on the conveying information;

[0028] The vibration aging stress relief module is used to install a vibration exciter and a vibration pickup on the workpiece after it arrives at the workstation based on the vibration program information, complete the vibration program through the vibration exciter, and collect vibration feedback information through the vibration pickup.

[0029] According to a vibration aging stress relief method provided by the present invention, an RFID chip is provided on the workpiece;

[0030] Correspondingly, the identification module includes:

[0031] A code reader is used to read the RFID chip to obtain the identification information of the workpiece.

[0032] According to a vibration aging stress relief method provided by the present invention, the positioning module includes:

[0033] Positioning support, used to support the workpiece transmitted from the previous process to be stress relieved by vibration aging;

[0034] A plurality of groups of positioning pins, wherein the positioning pins are arranged on the positioning support, and each group of the positioning pins can complete the positioning of the workpiece by inserting into the preset positioning holes on the workpiece of the corresponding model;

[0035] A start switch, wherein the start switch is arranged on the positioning support;

[0036] A plurality of groups of positioning pin driving modules, wherein the positioning pin driving modules are connected to the positioning pins;

[0037] Among them, the following steps are completed in chronological order: the positioning pin driving module drives the positioning pin to complete the positioning of the workpiece, the workpiece presses down the start switch under its own weight, the positioning pin driving module drives the positioning pin to withdraw from the positioning hole of the workpiece, and the conveying module starts to convey the workpiece.

[0038] According to a vibration aging stress relief method provided by the present invention, the transmission module includes:

[0039] A workpiece conveyor belt, used to convey the workpiece;

[0040] Wherein, the transmission information includes a transmission distance, and based on the transmission distance, the workpiece conveyor belt can transmit the workpiece to the vibration aging stress relief station.

[0041] According to a vibration aging stress relief method provided by the present invention, the vibration aging stress relief module comprises:

[0042] The truss manipulator is used to install and disassemble the vibration exciter and the vibration pickup.

[0043] According to a vibration aging stress relief method provided by the present invention, the exciter comprises:

[0044] The exciter body;

[0045] A mounting seat, the mounting seat is connected to the exciter body, and the mounting seat can be extended and retracted under hydraulic control;

[0046] A clamping arm, the clamping arm is connected to the mounting seat, and a pressure sensor is arranged on the clamping side of the clamping arm facing the workpiece;

[0047] Wherein, the mounting seat, the exciter body and the clamping arm form a U-shaped opening for clamping the workpiece.

[0048] The vibration aging stress relief method and system provided by the present invention realizes the automation and unmanned operation of vibration aging stress relief through automatic identification of workpieces and automatic calling of operation programs. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0050] Figure 1 A schematic diagram of a flow chart of a vibration aging stress relief method provided by the present invention;

[0051] Figure 2 A schematic diagram of a system logic relationship provided by the present invention;

[0052] Figure 3 A structural schematic diagram of a vibration aging stress relief system also provided by the present invention;

[0053] Figure 4 A structural schematic diagram of another vibration aging stress relief system provided by the present invention;

[0054] Figure 5 for Figure 4 A side view schematic diagram of

[0055] Figure 6 for Figure 5 A-direction view in the figure;

[0056] Figure 7 for Figure 5 B view in the figure;

[0057] Figure 8 A schematic diagram of the structure of the vibration exciter provided by the present invention;

[0058] Fig. 9 A schematic diagram of the physical structure of an electronic device provided by the present invention.

[0059] Figure numerals: 1-RFID reader; 2-workpiece conveyor belt; 3-positioning support; 4-positioning pin; 5-start switch; 6-workpiece; 7-soundproof room; 8-truss manipulator; 9-vibration workbench; 10-support base; 11-vibrator; 12-vibration pickup; 13-vibrator body; 14-mounting base; 15-clamping arm. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] The vibration aging stress relief method provided in the embodiment of the present application is described in detail below through specific embodiments and application scenarios in conjunction with the accompanying drawings.

[0062] Figure 1 A schematic diagram of a vibration aging stress relief method provided by the present invention is shown in FIG. Figure 1 As shown, the present invention provides a vibration aging stress relief method, which includes the following steps.

[0063] Preferably, the method is suitable for the production of workpieces for rail vehicles.

[0064] Furthermore, the method is designed as a computer program in a control system, and the execution of the action steps in the method includes first issuing corresponding computer instructions, and then controlling the corresponding hardware via the computer instructions to complete the action steps.

[0065] S100, identifying first identification information of a workpiece to be stress relieved by vibration aging.

[0066] Preferably, the workpiece is identified by arranging an RFID chip on the workpiece.

[0067] S200: Based on the first identification information, obtain positioning information, transmission information, and vibration program information of the workpiece.

[0068] S300: Adjust the workpiece posture based on the positioning information.

[0069] S400: Based on the transmission information, the workpiece after the posture adjustment is completed is transmitted to the vibration aging stress relief station.

[0070] Preferably, in addition to the vibration aging stress relief station, other stations can be integrated into the system, and the specific transmission station can be determined by transmitting information.

[0071] S500, based on the vibration program information, installing a vibration exciter and a vibration pickup on the workpiece after it arrives at the workstation, completing the vibration program through the vibration exciter, and collecting vibration feedback information through the vibration pickup.

[0072] This embodiment realizes the automated and unmanned operation of vibration aging stress relief through the automated identification of workpieces and the automated calling of operation programs.

[0073] Optionally, the method further comprises:

[0074] Based on the vibration feedback information, determine whether the vibration aging stress relief results of the workpiece meet the standards;

[0075] If the vibration aging stress relief result of the workpiece is judged to be up to standard, the workpiece is transferred to the next process;

[0076] If the vibration aging stress relief result of the workpiece is judged to be not up to standard, the workpiece is transferred to the rework area.

[0077] Optionally, if it is determined that the vibration aging stress relief result of the workpiece meets the standard, the workpiece is transferred to the next process, including:

[0078] Convey the workpiece to the unloading area;

[0079] Identify second identification information of the workpiece arriving at the unloading area;

[0080] Based on the second identification information, the working time information of the completion of the vibration aging stress relief of the workpiece is generated.

[0081] Optionally, if it is determined that the vibration aging stress relief result of the workpiece does not meet the standard, the workpiece is transferred to a rework area, including:

[0082] Transfer workpieces to the rework area;

[0083] Identify third identification information of the workpiece arriving at the rework area;

[0084] Based on the third identification information, abnormal information is generated indicating that the vibration aging stress relief of the workpiece is not completed.

[0085] Preferably, the above method is executed by the central control system, and the central control system is connected with the manufacturing execution system (Manufacturing Execution System, MES), distributed numerical control (Distributed Numerical Control, DNC), product life cycle management system (Teamcenter, TC), radio frequency identification system (Radio Frequency Identification, RFID), quality management system (Quality Management System, QMS), enterprise asset management system (Enterprise Asset Management, EAM) and other systems to realize work order linkage, automatic downloading of operation procedures, work reporting, and automatic uploading of quality data and abnormal information. Figure 2 A schematic diagram of a system logic relationship provided by the present invention, such as Figure 2 As shown in the figure, the process personnel build the process flow of the product in the TC system, and after completing the approval of the operation procedure, push it to the MES system to form a work order (corresponding to the work station), and push the program to the DNC system; the MES system pushes the work order, and the DNC system pushes the work program to the central control system; the work order information of the assembly process is bound to the RFID product serial number, and the workpiece corresponds to the work order in the system through RFID, and the operation program is called to perform the operation. The work report data, quality data, rework, equipment failure and other data are collected by the central control system and transmitted back to the MES and EAM systems.

[0086] The vibration aging stress relief system provided by the present invention is described below. The vibration aging stress relief system described below and the vibration aging stress relief method described above can be referred to each other.

[0087] Figure 3 The present invention also provides a structural schematic diagram of a vibration aging stress relief system, such as Figure 3 As shown, the present invention also provides a vibration aging stress relief system, the system comprising:

[0088] An identification module, used to identify first identification information of a workpiece to be stress relieved by vibration aging;

[0089] A workpiece information acquisition module, used to acquire positioning information, transmission information, and vibration program information of the workpiece based on the first identification information;

[0090] Positioning module, used to adjust the workpiece posture based on positioning information;

[0091] A conveying module is used to convey the workpiece after the posture adjustment to the vibration aging stress relief station based on the conveying information;

[0092] The vibration aging stress relief module is used to install a vibration exciter and a vibration pickup on the workpiece after it arrives at the workstation based on the vibration program information, complete the vibration program through the vibration exciter, and collect vibration feedback information through the vibration pickup.

[0093] Preferably, a central control system is provided in the system, and the central control system is connected to the identification module, the workpiece information acquisition module, the positioning module, the transmission module, and the vibration aging stress relief module.

[0094] Optionally, an RFID chip is provided on the workpiece;

[0095] Correspondingly, the identification module includes:

[0096] The barcode reader is used to read the RFID chip to obtain the identification information of the workpiece.

[0097] Optionally, the positioning module includes:

[0098] Positioning support, used to support the workpiece from the previous process to be stress relieved by vibration aging;

[0099] A plurality of groups of positioning pins are arranged on the positioning support, and each group of positioning pins can complete the positioning of the workpiece by inserting into the preset positioning holes on the workpiece of the corresponding model;

[0100] A start switch, wherein the start switch is arranged on the positioning support;

[0101] A plurality of positioning pin drive modules, wherein the positioning pin drive modules are connected to the positioning pins;

[0102] Among them, the following steps are completed in chronological order: the positioning pin driving module drives the positioning pin to complete the positioning of the workpiece, the workpiece presses down the start switch under its own weight, the positioning pin driving module drives the positioning pin to withdraw from the positioning hole of the workpiece, and the conveying module starts to convey the workpiece.

[0103] Preferably, the positioning pin driving module uses a cylinder, a motor, or hydraulic pressure as power.

[0104] Preferably, the start switch is connected to the central control system. When the start switch is pressed down, the central control system considers that the positioning is completed, and the central control system issues a command to the positioning pin drive module to drive the positioning pin to withdraw from the positioning hole of the workpiece, and then issues a command to the conveying module to start conveying the workpiece. Another optional solution is that the start switch is directly connected to the positioning pin drive module and the conveying module. When the start switch is pressed down, the subsequent actions are completed directly without going through the central control system.

[0105] Optionally, the transmission module includes:

[0106] Workpiece conveyor belt, used to convey workpieces;

[0107] The transmission information includes a transmission distance, and based on the transmission distance, the workpiece conveyor belt can transmit the workpiece to the vibration aging stress relief station.

[0108] Optionally, the vibration aging stress relief module includes:

[0109] Truss manipulator for installing and removing vibrators and pickups.

[0110] Preferably, the truss manipulator is connected to the central control system.

[0111] Optionally, the vibration exciter comprises:

[0112] The exciter body;

[0113] A mounting seat, the mounting seat is connected to the vibrator body, and the mounting seat can be extended and retracted under hydraulic control;

[0114] A clamping arm, the clamping arm is connected to the mounting seat, and a pressure sensor is arranged on the clamping side of the clamping arm facing the workpiece;

[0115] The mounting seat, the exciter body and the clamping arm form a U-shaped opening for clamping the workpiece.

[0116] Preferably, each subcomponent in the vibration exciter is connected to the central control system.

[0117] Preferably, the system is composed of a loading area, a working area (i.e., a working system), a rework area, and a unloading area. Figure 4 A schematic diagram of the structure of another vibration aging stress relief system provided by the present invention, Figure 5 for Figure 4 A side view of Figure 4 and 5 As shown, the workpieces in each area are transferred via conveyor belts. The conveyor belt transmission distance and work procedures are automatically called through RFID information. The parameters collected during the work process are collected by the central control system and transmitted back to the IOT platform.

[0118] Further, Figure 6 for Figure 5 The A-direction view in Figure 6 As shown, the hardware of the loading area is mainly composed of an RFID reader 1, a workpiece conveyor belt 2, a positioning support 3, a positioning pin 4, and a start switch 5.

[0119] The operation scenario of the loading area is as follows: after the previous operation is completed, the operator lifts the workpiece 6 (with an RFID chip) to the loading area of ​​the device, the RFID reader 1 identifies the workpiece type, the frame type, the central control system records the start time, and calls the positioning system program to automatically pop up the positioning pin 4 (different workpieces have different positioning pin positions), and complete the precise posture adjustment of the workpiece 6 in the loading area;

[0120] After the position of the workpiece 6 is determined, the start switch 5 is triggered, the positioning pin 4 returns to its original position, the central control system calls the transportation program, the workpiece conveyor belt 2 starts to work, the workpiece 6 is transported to the working area, and stops at the specified position (precise positioning will not affect the subsequent excitation and vibration pickup installation position).

[0121] Further, Figure 7 for Figure 5 The B view in Figure 7 As shown, the hardware of the work area is mainly composed of a soundproof room 7, a truss manipulator 8, a vibration workbench 9, a support base 10, an exciter 11, and a vibration pickup 12.

[0122] The working scenario of the work area is as follows: after the workpiece 6 is conveyed to the working area by the workpiece conveyor belt 2, it is parked at the designated position (the workpiece information corresponding to the RFID will control the conveying distance of the conveyor belt); after the workpiece 6 is parked at the designated position, it is left to stand for 1 minute, and then the vibration workbench 9 is raised to lift the workpiece 6. The truss manipulator 8 calls the working program based on the workpiece information, and installs the exciter 11 and the vibration pickup 12 to the determined position of the workpiece 6. After the installation of the exciter 11, it is automatically tightened by hydraulic pressure, and it is determined whether it is installed in place based on the sensor pressure value. The vibration pickup 12 is fixed to the workpiece 6 by magnetic force.

[0123] In order to realize automatic installation, the vibration device is designed to be integrated with the automatic clamping device. Figure 8 The schematic diagram of the structure of the exciter provided by the present invention is as follows: Figure 8 As shown, the vibrator 11 is composed of a vibrator body 13, a mounting seat 14 (with hydraulic pressure), and a clamping arm 15 (with a pressure sensor); and the vibrator 11 and the vibration pickup 12 are placed on a support seat 10 (the installation positions of the vibrator and the vibration pickup are different for different vehicle models, one is placed on each side of the workpiece 6, and the signal cable is integrated in the support seat 10, and the mobile end cable adopts an elastic and retractable design); in order to determine the installation clamping, a pressure sensor is added at the clamping position of the clamping arm 15 to ensure that the clamping force is constant.

[0124] After the vibration exciter 11 and the vibration pickup 12 are installed, the truss manipulator 8 returns to its original position and performs the time-dependent vibration operation according to the program. The operation data is collected and recorded by the central control system, and a quality report is formed and transmitted back to the MES system.

[0125] After the work is completed, the truss manipulator 8 disassembles the vibration exciter 11 and the vibration pickup 12, and places them on the support seat 10, and returns to its original position after completion.

[0126] The vibrating workbench 9 descends, the workpiece 6 returns to the workpiece conveyor belt 2, the door of the soundproof room 7 opens, and the workpiece is conveyed out of the working area.

[0127] If the vibration result meets the standard requirements, the workpiece goes directly to the unloading area, the barcode reader in the unloading area reads the code, the system records the reporting time, and transmits it back to the MES system, and the auxiliary personnel lift it out of the process; if the vibration result does not meet the standard requirements, the workpiece goes to the rework area, the system reports an abnormality, uploads it to the MES system and displays it in the command center, reminding the process personnel to handle it.

[0128] This embodiment realizes the automated and unmanned operation of vibration aging stress relief through the automated identification of workpieces and the automatic calling of operating procedures; the device control system is connected to the system interface and embedded in the information system, thus realizing the issuance and uploading of work order data and quality data.

[0129] Fig. 9 A schematic diagram of the physical structure of an electronic device provided by the present invention, such as Fig. 9 As shown, the electronic device may include: a processor 910, a communication interface 920, a memory 930 and a communication bus 940, wherein the processor 910, the communication interface 920 and the memory 930 communicate with each other through the communication bus 940. The processor 910 may call the logic instructions in the memory 930 to execute the vibration aging stress relief method, and the method includes:

[0130] Identify first identification information of a workpiece to be stress relieved by vibration aging;

[0131] Based on the first identification information, obtaining positioning information, transmission information, and vibration program information of the workpiece;

[0132] Based on the positioning information, adjusting the workpiece posture;

[0133] Based on the transmission information, the workpiece after the posture adjustment is completed is transmitted to the vibration aging stress relief station;

[0134] Based on the vibration program information, a vibration exciter and a vibration pickup are installed on the workpiece after it arrives at the workstation, the vibration program is completed by the vibration exciter, and vibration feedback information is collected by the vibration pickup.

[0135] In addition, the logic instructions in the above-mentioned memory 930 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on such an understanding, the technical solution of the present invention can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0136] On the other hand, the present invention further provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer, the computer can execute the vibration aging stress relief method provided by the above methods, the method comprising:

[0137] Identify first identification information of a workpiece to be stress relieved by vibration aging;

[0138] Based on the first identification information, obtaining positioning information, transmission information, and vibration program information of the workpiece;

[0139] Based on the positioning information, adjusting the workpiece posture;

[0140] Based on the transmission information, the workpiece after the posture adjustment is completed is transmitted to the vibration aging stress relief station;

[0141] Based on the vibration program information, a vibration exciter and a vibration pickup are installed on the workpiece after it arrives at the workstation, the vibration program is completed by the vibration exciter, and vibration feedback information is collected by the vibration pickup.

[0142] In another aspect, the present invention further provides a non-transitory computer-readable storage medium having a computer program stored thereon, which is implemented when the computer program is executed by a processor to perform the vibration aging stress relief method provided above, the method comprising:

[0143] Identify first identification information of a workpiece to be stress relieved by vibration aging;

[0144] Based on the first identification information, obtaining positioning information, transmission information, and vibration program information of the workpiece;

[0145] Based on the positioning information, adjusting the workpiece posture;

[0146] Based on the transmission information, the workpiece after the posture adjustment is completed is transmitted to the vibration aging stress relief station;

[0147] Based on the vibration program information, a vibration exciter and a vibration pickup are installed on the workpiece after it arrives at the workstation, the vibration program is completed by the vibration exciter, and vibration feedback information is collected by the vibration pickup.

[0148] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0149] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0150] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vibration aging stress relief method, characterized in that: The method comprises: Identify first identification information of a workpiece to be stress relieved by vibration aging; the workpiece is provided with an RFID chip; the workpiece is used for rail vehicle manufacturing; Based on the first identification information, obtaining positioning information, transmission information, and vibration program information of the workpiece; Based on the positioning information, the positioning system program is called to automatically pop out the positioning pin to adjust the workpiece posture; after the workpiece position is determined, the start switch is triggered and the positioning pin returns to its original position; Based on the transmission information, a transport program is called to transport the workpiece after the posture adjustment is completed to the vibration aging stress relief station through a workpiece conveyor belt; The vibration workbench rises to lift the workpiece. Based on the vibration program information, the truss robot installs a vibration exciter and a vibration pickup on the workpiece after it arrives at the workstation. The vibration program is completed by the vibration exciter, and vibration feedback information is collected by the vibration pickup. After the vibration exciter is installed, it is automatically tightened by hydraulic pressure, and whether it is installed in place is determined based on the sensor pressure value. The vibration pickup is fixed to the workpiece by magnetic force.

2. The vibration aging stress relief method according to claim 1, characterized in that: The method further comprises: Based on the vibration feedback information, determining whether the vibration aging stress relief result of the workpiece meets the standard; If it is determined that the vibration aging stress relief result of the workpiece meets the standard, the workpiece is transferred to the next process; If it is determined that the vibration aging stress relief result of the workpiece does not meet the standard, the workpiece is transferred to a rework area.

3. The vibration aging stress relief method according to claim 2, characterized in that: If it is determined that the vibration aging stress relief result of the workpiece meets the standard, the workpiece is transferred to the next process, including: Conveying the workpiece to a material unloading area; Identify second identification information of the workpiece arriving at the unloading area; Based on the second identification information, the working time information of the completion of the vibration aging stress relief of the workpiece is generated.

4. The vibration aging stress relief method according to claim 2, characterized in that: If it is determined that the vibration aging stress relief result of the workpiece does not meet the standard, the workpiece is transferred to a rework area, including: conveying the workpiece to a rework area; Identifying third identification information of the workpiece arriving at the rework area; Based on the third identification information, abnormal information indicating that the vibration aging stress relief of the workpiece is not completed is generated.

5. A vibration aging stress relief system, characterized in that: The system comprises: An identification module, used to identify first identification information of a workpiece to be stress-relieved by vibration aging; the workpiece is provided with an RFID chip; the workpiece is used for rail vehicle manufacturing; A workpiece information acquisition module, used to acquire positioning information, transmission information, and vibration program information of the workpiece based on the first identification information; A positioning module is used to call a positioning system program based on the positioning information, automatically pop out a positioning pin, and adjust the workpiece posture; after the workpiece position is determined, a start switch is triggered and the positioning pin returns to its original position; A conveying module, used to call a transport program based on the conveying information, and convey the workpiece after the posture adjustment to the vibration aging stress relief station through a workpiece conveyor belt; The vibration aging stress relief module is used to raise the vibration worktable and hold up the workpiece. Based on the vibration program information, the truss manipulator installs a vibration exciter and a vibration pickup on the workpiece after it arrives at the workstation, completes the vibration program through the vibration exciter, and collects vibration feedback information through the vibration pickup. After the vibration exciter is installed, it is automatically pressed by hydraulic pressure, and whether it is installed in place is determined based on the sensor pressure value. The vibration pickup is fixed to the workpiece by magnetic force.

6. The vibration aging stress relief system according to claim 5, characterized in that: Correspondingly, the identification module includes: A code reader is used to read the RFID chip to obtain the identification information of the workpiece.

7. The vibration aging stress relief system according to claim 5, characterized in that: The positioning module comprises: Positioning support, used to support the workpiece transmitted from the previous process to be stress relieved by vibration aging; A plurality of groups of positioning pins, wherein the positioning pins are arranged on the positioning support, and each group of the positioning pins can complete the positioning of the workpiece by inserting into the preset positioning holes on the workpiece of the corresponding model; A start switch, wherein the start switch is arranged on the positioning support; A plurality of groups of positioning pin driving modules, wherein the positioning pin driving modules are connected to the positioning pins; Among them, the following steps are completed in chronological order: the positioning pin driving module drives the positioning pin to complete the positioning of the workpiece, the workpiece presses down the start switch under its own weight, the positioning pin driving module drives the positioning pin to withdraw from the positioning hole of the workpiece, and the conveying module starts to convey the workpiece.

8. The vibration aging stress relief system according to claim 5, characterized in that: The transmission module comprises: A workpiece conveyor belt, used to convey the workpiece; Wherein, the transmission information includes a transmission distance, and based on the transmission distance, the workpiece conveyor belt can transmit the workpiece to the vibration aging stress relief station.

9. The vibration aging stress relief system according to claim 5, characterized in that: The vibration aging stress relief module includes: The truss manipulator is used to install and disassemble the vibration exciter and the vibration pickup.

10. The vibration aging stress relief system according to claim 5, characterized in that: The exciter comprises: The exciter body; A mounting seat, the mounting seat is connected to the exciter body, and the mounting seat can be extended and retracted under hydraulic control; A clamping arm, the clamping arm is connected to the mounting seat, and a pressure sensor is arranged on the clamping side of the clamping arm facing the workpiece; Wherein, the mounting seat, the exciter body and the clamping arm form a U-shaped opening for clamping the workpiece.

Images