CN-122015977-A - Quality error proofing method, device and equipment for electric assembly

CN122015977ACN 122015977 ACN122015977 ACN 122015977ACN-122015977-A

Abstract

The invention provides a quality error proofing method, device and equipment for electric assembly, wherein the method comprises the steps of controlling an automatic line drawing device to draw a continuous marking line at the joint of a fastener and a workpiece to be assembled; selecting a target plug according to a plugging command, pushing the target plug into a target socket, wherein a connector is arranged at the front end of the target socket, a in-place confirmation window is arranged on the connector, the display state of the in-place confirmation window is detected, a workpiece to be assembled is transferred to a preset station frame if the in-place confirmation window is detected to be automatically switched from a first display state to a second display state, a seal member installation operation is carried out on the workpiece to be assembled through a pressure type installation tool, after the seal member is installed, the installation state of the seal member is checked through a stop gauge, and if the installation state of the seal member is checked and a marking line is continuous and complete, the corresponding workpiece to be assembled is judged to be assembled to be qualified. The invention greatly reduces assembly errors and omission ratio and remarkably improves assembly and inspection efficiency.

Inventors

NI YUAN
ZHANG PAN
TIAN KAIYU
LI YUANYI
HU CHENGZHEN
CHEN LONG

Assignees

中建科工集团智慧停车科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (10)

1. A quality error proofing method for electrical assembly, the method being applied to a quality error proofing terminal of a quality error proofing system, the method comprising: After the fastener is screwed on the workpiece to be assembled according to the specified moment, controlling the automatic line drawing device to draw a continuous marking line at the joint of the fastener and the workpiece to be assembled; after the marking line is drawn, selecting a target plug according to a plugging command, and pushing the target plug into a target socket arranged on the workpiece to be assembled, wherein a connector is arranged at the front end of the target socket, a in-place confirmation window is arranged on the connector, and when the target plug is successfully pushed into the target socket, the in-place confirmation window is automatically switched from a first display state to a second display state; The method comprises the steps of detecting the display state of the in-place confirmation window, transferring a corresponding workpiece to be assembled to a preset station frame if the in-place confirmation window is automatically switched from a first display state to a second display state, and executing sealing element installation operation on the workpiece to be assembled on the preset station frame through a pressure type installation tool; And if the installation state of the sealing element passes the verification and the marking line is continuous and complete, judging that the to-be-assembled workpiece is qualified in assembly.
2. The method according to claim 1, wherein the automatic line drawing device comprises a trigger sensor, a positioning mechanism and a line drawing assembly, and the controlling the automatic line drawing device to draw a continuous mark line at the connection part of the fastener and the workpiece to be assembled after the fastener is screwed on the workpiece to be assembled according to a predetermined torque comprises: Detecting whether the fastener is fastened in place according to a specified moment by the trigger sensor; If the fastening piece is detected to be fastened in place according to the specified moment, the line drawing assembly is driven by the positioning mechanism, and a continuous marking line is drawn at the joint of the fastening piece and the workpiece to be assembled based on a preset fastening line drawing operation standard.
3. The quality error proofing method for electrical assembly according to claim 1, wherein after selecting a target plug according to a socket command and pushing the target plug into a target socket provided on the workpiece to be assembled, further comprising: Judging whether a first color coding label on a target plug is matched with a second color coding label on the target socket or not to obtain a label judging result; If the label judging result is yes, unlocking a plugging mechanism of the target socket, and allowing the target plug to be continuously pushed into the target socket; and if the label judging result is negative, locking the plugging mechanism of the target socket, and preventing the target plug from being pushed into the target socket continuously.
4. The quality error proofing method for electrical assembly according to claim 1, wherein after selecting a target plug according to a socket command and pushing the target plug into a target socket provided on the workpiece to be assembled, further comprising: Detecting the display state of the in-place confirmation window through an acousto-optic sensor; If the in-place confirmation window is detected to be automatically switched from the first display state to the second display state, the corresponding workpiece to be assembled is transferred to a preset station frame; And if the in-place confirmation window is not detected to be automatically switched from the first display state to the second display state, returning to execute the step of selecting the target plug according to the plugging command and pushing the target plug into the target socket arranged on the workpiece to be assembled.
5. The quality error proofing method for electrical assembly according to claim 1, wherein a detection sensor is provided in the pressure type mounting fixture, and the seal mounting operation is performed on the workpiece to be assembled on the preset station frame by the pressure type mounting fixture, comprising: Pressing the sealing element into a designated mounting groove of the workpiece to be assembled through the pressure type mounting tool; In the press-fitting process, press-fitting data are acquired in real time through the detection sensor, and whether the sealing element is pressed in place is judged according to the press-fitting data; And if the sealing element is pressed in place, removing the pressure type installation tool to complete the installation of the sealing element.
6. The quality error proofing method for electrical assembly according to claim 1, wherein after the sealing member is installed, checking the installation state of the sealing member on the workpiece to be assembled by a go-no-go gauge comprises: After the sealing element is installed, the go-no-go gauge is scratched along the installation surface of the sealing element for detection; If the go-no-go gauge is blocked by the check boss of the sealing element in the process of passing, judging that the installation state of the sealing element passes the check; If the through-stop gauge smoothly passes through the mounting surface without blocking, judging that the mounting state of the sealing element does not pass through verification, and triggering an audible and visual alarm to prompt abnormal mounting of the sealing element.
7. The method of claim 1, wherein the controlling the automatic line drawing device further comprises, after drawing a continuous marking line at the junction of the fastener and the workpiece to be assembled: In the subsequent assembly process, detecting the integrity state of the marking line through a visual detection module; if the integrity of the marker line is identified as being compromised, an alarm device is triggered to prompt the operator to re-tighten the loosened fastener.
8. A quality error proofing device for electrical assembly, the device being configured to a quality error proofing terminal of a quality error proofing system, the device comprising: The drawing unit is used for controlling the automatic line drawing device to draw a continuous marking line at the joint of the fastener and the workpiece to be assembled after the fastener is screwed on the workpiece to be assembled according to a specified moment; The device comprises a marking line drawing unit, a plugging unit, a first display state and a second display state, wherein the marking line drawing unit is used for marking a target plug according to a plugging command after the marking line drawing is completed, and pushing the target plug into a target socket arranged on a workpiece to be assembled; The installation unit is used for detecting the display state of the in-place confirmation window; if the in-place confirmation window is detected to be automatically switched from the first display state to the second display state, the corresponding workpiece to be assembled is transferred to a preset station frame; performing sealing element installation operation on a workpiece to be assembled on the preset station frame through a pressure type installation tool, and checking the installation state of the sealing element on the workpiece to be assembled through a go-no-go gauge after the sealing element is installed; and the judging unit is used for judging that the to-be-assembled workpiece is qualified in assembly if the installation state of the sealing element passes the verification and the marking line is continuous and complete.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the quality error protection method for electrical assembly of any of claims 1-7 when the computer program is executed by the processor.
10. A computer readable storage medium, characterized in that the storage medium stores a computer program comprising program instructions which, when executed by a processor, cause the processor to perform the quality error protection method for electrical assembly of any of claims 1-7.

Description

Quality error proofing method, device and equipment for electric assembly Technical Field The present invention relates to the field of electrical assembly technologies, and in particular, to a quality error proofing method, apparatus, and device for electrical assembly. Background The quality error proofing technology of regulator cubicle assembly decides product stability in use and security, and in the regulator cubicle assembly process, bolt tightening, connector grafting, sealing member installation are core quality control links, but all rely on manual visual and operator's subjective inspection at present, and the bolt is missed to beat, is not screwed up easily, and the connector is inserted by force, and sealing member installation is not in place scheduling problem, and the follow-up trouble such as contact failure, sealing failure easily causes to be difficult to distinguish directly perceivedly to this kind of problem outward appearance. The existing quality control only depends on the self-check of operators and the spot check of quality inspectors, so that the operation efficiency is low, the omission rate is high, and forced and visual error-proofing measures for embedding the operation flow are lacked. Therefore, the existing electrical cabinet assembly quality control mode has the problem of low inspection efficiency. Disclosure of Invention The embodiment of the invention provides a quality error proofing method, device and equipment for electric assembly, and aims to solve the problem that the existing electric cabinet assembly quality control mode is low in inspection efficiency. In a first aspect, an embodiment of the present invention provides a quality error protection method for electrical assembly, where the method is applied to a quality error protection terminal of a quality error protection system, and the method includes: After the fastener is screwed on the workpiece to be assembled according to the specified moment, controlling the automatic line drawing device to draw a continuous marking line at the joint of the fastener and the workpiece to be assembled; after the marking line is drawn, selecting a target plug according to a plugging command, and pushing the target plug into a target socket arranged on the workpiece to be assembled, wherein a connector is arranged at the front end of the target socket, a in-place confirmation window is arranged on the connector, and when the target plug is successfully pushed into the target socket, the in-place confirmation window is automatically switched from a first display state to a second display state; The method comprises the steps of detecting the display state of the in-place confirmation window, transferring a corresponding workpiece to be assembled to a preset station frame if the in-place confirmation window is automatically switched from a first display state to a second display state, and executing sealing element installation operation on the workpiece to be assembled on the preset station frame through a pressure type installation tool; And if the installation state of the sealing element passes the verification and the marking line is continuous and complete, judging that the to-be-assembled workpiece is qualified in assembly. In a second aspect, an embodiment of the present invention further provides a quality error protection device for electrical assembly, where the device is configured to a quality error protection terminal of a quality error protection system, and the device includes: The drawing unit is used for controlling the automatic line drawing device to draw a continuous marking line at the joint of the fastener and the workpiece to be assembled after the fastener is screwed on the workpiece to be assembled according to a specified moment; The device comprises a marking line drawing unit, a plugging unit, a first display state and a second display state, wherein the marking line drawing unit is used for marking a target plug according to a plugging command after the marking line drawing is completed, and pushing the target plug into a target socket arranged on a workpiece to be assembled; The installation unit is used for detecting the display state of the in-place confirmation window; if the in-place confirmation window is detected to be automatically switched from the first display state to the second display state, the corresponding workpiece to be assembled is transferred to a preset station frame; performing sealing element installation operation on a workpiece to be assembled on the preset station frame through a pressure type installation tool, and checking the installation state of the sealing element on the workpiece to be assembled through a go-no-go gauge after the sealing element is installed; and the judging unit is used for judging that the to-be-assembled workpiece is qualified in assembly if the installation state of the sealing element passes the verification and the marking line is continuou