CN-121994413-A - Electromagnetic pilot valve on-line detection device and detection method

CN121994413ACN 121994413 ACN121994413 ACN 121994413ACN-121994413-A

Abstract

The invention provides an electromagnetic pilot valve online detection device and a detection method, wherein the electromagnetic pilot valve online detection device comprises a main conveying line, a plurality of conveying line branches working in parallel and a detection subsystem corresponding to each conveying line branch; the electromagnetic pilot valve detection system comprises a main conveying line, a plurality of conveying line branches, a plurality of parallel conveying line branches, a detection subsystem, an unloading robot and a detection assembly, wherein the main conveying line is used for linking a plurality of detection subsystems and butt-jointing the plurality of conveying line branches which work in parallel, the plurality of parallel conveying line branches are used for conveying electromagnetic pilot valves to be detected to stations of all detection subsystems simultaneously, the detection subsystem comprises the unloading robot and the detection assembly, the unloading robot is used for transferring the electromagnetic pilot valves to be detected from the main conveying line to each conveying line branch and grabbing the electromagnetic pilot valves to be detected to move among different detection stations, the detection assembly is used for executing various types of tests on the electromagnetic pilot valves to be detected, the problem that detection beats, efficiency and assembly automation assembly lines cannot be matched can be solved, seamless butt joint with an automatic assembly production line is realized, and production efficiency is improved.

Inventors

Xie sai
YIN MING
CHEN YANXIA

Assignees

北京天玛智控科技股份有限公司
北京煤科天玛自动化科技有限公司

Dates

Publication Date: 20260508
Application Date: 20241104

Claims (10)

1. An electromagnetic pilot valve on-line detection device, characterized by comprising: the system comprises a main conveying line, a plurality of conveying line branches working in parallel and a detection subsystem corresponding to each conveying line branch; The main conveying line is used for linking a plurality of detection subsystems and butting a plurality of conveying line branches working in parallel; The plurality of parallel conveying line branches are used for conveying electromagnetic pilot valves to be detected to stations of all detection subsystems simultaneously; The detection subsystem comprises a loading and unloading robot and a detection assembly, wherein the loading and unloading robot is used for transferring the electromagnetic pilot valve to be detected from the main conveying line to each conveying line branch and grabbing the electromagnetic pilot valve to be detected to move among different detection stations, and the detection assembly is used for executing various types of tests on the electromagnetic pilot valve to be detected.
2. The electromagnetic pilot valve on-line detection apparatus as recited in claim 1, wherein the feed line branch includes a feed line, a jacking positioning device, a blocking cylinder, and an RFID reading device; the conveying line is used for conveying the electromagnetic pilot valve to be detected from one station to another station; The jacking positioning device is used for lifting the tray to be separated from the main conveying line and fixed at a specified position when the tray containing the electromagnetic pilot valve to be detected reaches a specified position; The blocking air cylinders are arranged on different stations and used for controlling the advancing and stopping of the tray on the conveying line; the RFID reading device is used for reading device information of the electromagnetic pilot valve to be detected.
3. The electromagnetic pilot valve on-line detection apparatus according to claim 1, wherein the main conveying line is further provided with a waiting station and three pallet transfer stations, each pallet transfer station being configured with a jacking transfer conveyor and a blocking cylinder; the waiting station is used for temporarily storing the electromagnetic pilot valve which is finished to be assembled after detection; The tray transfer station is used for transferring the tray from the main conveying line to other conveying lines or working areas; The jacking transfer conveyor is used for vertically lifting or descending the tray so that the tray can be transferred between conveying lines with different heights; the blocking cylinder is used for controlling the movement or stop of the tray on the main conveying line.
4. The electromagnetic pilot valve on-line detection apparatus as recited in claim 1, further comprising a blow-dry energizing interface device and a blow-dry device; The blow-drying power-on docking device is used for providing power for the blow-drying device; the blow-drying device is used for blow-drying the residual detection liquid in the electromagnetic pilot valve to be detected and the detection liquid attached to the outer surface of the electromagnetic pilot valve to be detected.
5. The electromagnetic pilot valve on-line detection apparatus as recited in claim 1, wherein the detection assembly comprises: The device comprises a liquid recovery system, a high-pressure liquid fixed connecting pipeline, at least one pressure sensor and a fixed liquid supply joint; the liquid recovery system is used for recovering liquid used in the detection process; the fixed liquid supply connector is fixedly connected with the electromagnetic pilot valve to be detected; The high-pressure liquid fixed connecting pipeline is connected with the fixed liquid supply joint and is used for conveying high-pressure liquid to the electromagnetic pilot valve to be detected so as to finish high-pressure sealing performance detection; The at least one pressure sensor is positioned at different positions in the system and is used for monitoring the actual pressure value in the detection process so as to detect the pressure characteristic of the electromagnetic pilot valve to be detected.
6. The electromagnetic pilot valve on-line detection apparatus according to claim 1, wherein the loading and unloading robot comprises a six-axis robot arm, a robot clamping jaw and a robot base; the six-axis robot arm is rotatably connected with the robot base; the robot clamping jaw is arranged at the front end of the six-axis robot arm and used for grabbing the electromagnetic pilot valve to be detected under the drive of the six-axis robot arm.
7. An electromagnetic pilot valve online detection method, which is applicable to the electromagnetic pilot valve online detection device according to any one of claims 1-6, and is characterized by comprising the following steps: simultaneously conveying electromagnetic pilot valves to be detected to stations of all detection subsystems through a plurality of conveying line branches working in parallel; Grabbing the electromagnetic pilot valve to be detected by an feeding and discharging robot and moving the electromagnetic pilot valve to be detected among different detection stations; and the detection component is used for executing various types of tests on the electromagnetic pilot valve to be detected.
8. The method as claimed in claim 7, wherein the plurality of parallel-operated line branches includes a first line branch, and the detection method corresponding to the first line branch includes: when a first electromagnetic pilot valve to be detected reaches a first waiting position from a main conveying line, identifying and recording equipment information of the electromagnetic pilot valve to be detected through RFID reading equipment; The first electromagnetic pilot valve to be detected is sent to a visual detection position through a loading and unloading robot, and the assembly quality of an O ring on the bottom surface of the first electromagnetic pilot valve to be detected is detected; if the assembly quality of the O ring is detected to be qualified, the electromagnetic pilot valve to be detected is sent to a first detection position to perform a preset performance test, wherein the performance test comprises high-pressure sealing performance detection, low-pressure sealing performance detection and reversing performance detection; After performance detection is completed, the electromagnetic pilot valve after detection is moved to a blow-drying position by the feeding and discharging robot, and residual detection liquid in and on the electromagnetic pilot valve after detection is removed by using a blow-drying device; And the electromagnetic pilot valve after detection is moved to the visual detection position again through the feeding and discharging robot, O-ring assembly is rechecked, and the electromagnetic pilot valve returns to the main conveying line through the first conveying line branch after rechecking is finished.
9. The method as claimed in claim 7, wherein the plurality of parallel-operated line branches includes a second line branch, and the detection method corresponding to the second line branch includes: When the first electromagnetic pilot valve to be detected reaches a waiting position through the main conveying line, the jacking transfer device conveys the second electromagnetic pilot valve to be detected to a second conveying line branch, the second electromagnetic pilot valve to be detected is temporarily stored in the second waiting position, and equipment information of the second electromagnetic pilot valve to be detected is identified and recorded through the RFID reading equipment; The second electromagnetic pilot valve to be detected is sent to a visual detection position through an feeding and discharging robot, and the assembly quality of the O ring on the bottom surface of the second electromagnetic pilot valve to be detected is detected; if the assembly quality of the O ring is detected to be qualified, the electromagnetic pilot valve to be detected is sent to a second detection position to perform a preset performance test, wherein the performance test comprises high-pressure sealing performance detection, low-pressure sealing performance detection and reversing performance detection; After performance detection is completed, the electromagnetic pilot valve after detection is moved to a blow-drying position by the feeding and discharging robot, and residual detection liquid in and on the electromagnetic pilot valve after detection is removed by using a blow-drying device; And the electromagnetic pilot valve after detection is moved to the visual detection position again through the feeding and discharging robot, O-ring assembly is rechecked, and the second conveying line branch returns to the main conveying line after rechecking is finished.
10. The method as claimed in claim 7, wherein the plurality of parallel-operated line branches includes a third line branch, and the detection method corresponding to the third line branch includes: When the second electromagnetic pilot valve to be detected reaches a waiting position through the main conveying line, the jacking transfer device conveys a third electromagnetic pilot valve to be detected to a third conveying line branch and temporarily stores the third electromagnetic pilot valve to be detected in the third waiting position, and equipment information of the third electromagnetic pilot valve to be detected is identified and recorded through the RFID reading equipment; The third electromagnetic pilot valve to be detected is sent to a visual detection position through an feeding and discharging robot, and the assembly quality of the O ring on the bottom surface of the third electromagnetic pilot valve to be detected is detected; If the assembly quality of the O ring is detected to be qualified, the electromagnetic pilot valve to be detected is sent to a third detection position to perform a preset performance test, wherein the performance test comprises high-pressure sealing performance detection, low-pressure sealing performance detection and reversing performance detection; After performance detection is completed, the electromagnetic pilot valve after detection is moved to a blow-drying position by the feeding and discharging robot, and residual detection liquid in and on the electromagnetic pilot valve after detection is removed by using a blow-drying device; And the electromagnetic pilot valve after detection is moved to the visual detection position again through the feeding and discharging robot, O-ring assembly is rechecked, and the third conveying line branch returns to the main conveying line after rechecking is finished.

Description

Electromagnetic pilot valve on-line detection device and detection method Technical Field The invention relates to the technical field of electromagnetic pilot valve detection, in particular to an electromagnetic pilot valve online detection device and a detection method. Background The electromagnetic pilot valve is a core component of the electrohydraulic control system of the hydraulic support, and detection of the electromagnetic pilot valve is a key for guaranteeing electrohydraulic control safety of the hydraulic support, and the detection content comprises high-pressure sealing performance detection, low-pressure sealing performance detection, reversing performance detection and the like. The common detection mode is to adopt a single hydraulic detection test bed to manually detect the product to be detected, the detection data is inaccurate, the production efficiency is low, and the like. In the related art, the electromagnetic pilot valve is placed on the hydraulic detection test bed by using clamping equipment for automatic detection, but because the electromagnetic pilot valve is long in detection time and short in assembly time, the detection cannot meet the assembly requirement, and the butt joint of the electromagnetic pilot valve automatic assembly production line is affected. Disclosure of Invention The invention provides an electromagnetic pilot valve online detection device and a detection method, which are used for solving the defect that the traditional electromagnetic pilot valve detection device cannot meet the assembly requirement and affects the butt joint of an electromagnetic pilot valve automatic assembly production line. The invention provides an electromagnetic pilot valve on-line detection device, comprising: the system comprises a main conveying line, a plurality of conveying line branches working in parallel and a detection subsystem corresponding to each conveying line branch; The main conveying line is used for linking a plurality of detection subsystems and butting a plurality of conveying line branches working in parallel; The plurality of parallel conveying line branches are used for conveying electromagnetic pilot valves to be detected to stations of all detection subsystems simultaneously; The detection subsystem comprises a loading and unloading robot and a detection assembly, wherein the loading and unloading robot is used for transferring the electromagnetic pilot valve to be detected from the main conveying line to each conveying line branch and grabbing the electromagnetic pilot valve to be detected to move among different detection stations, and the detection assembly is used for executing various types of tests on the electromagnetic pilot valve to be detected. According to the electromagnetic pilot valve on-line detection device provided by the invention, the conveying line branch comprises a conveying line, a jacking positioning device, a blocking cylinder and RFID reading equipment; the conveying line is used for conveying the electromagnetic pilot valve to be detected from one station to another station; The jacking positioning device is used for lifting the tray to be separated from the main conveying line and fixed at a specified position when the tray containing the electromagnetic pilot valve to be detected reaches a specified position; The blocking air cylinders are arranged on different stations and used for controlling the advancing and stopping of the tray on the conveying line; the RFID reading device is used for reading device information of the electromagnetic pilot valve to be detected. According to the electromagnetic pilot valve on-line detection device provided by the invention, the main conveying line is also provided with a waiting station and three tray transfer stations, and each tray transfer station is provided with a jacking transfer conveyor and a blocking cylinder; the waiting station is used for temporarily storing the electromagnetic pilot valve which is finished to be assembled after detection; The tray transfer station is used for transferring the tray from the main conveying line to other conveying lines or working areas; The jacking transfer conveyor is used for vertically lifting or descending the tray so that the tray can be transferred between conveying lines with different heights; the blocking cylinder is used for controlling the movement or stop of the tray on the main conveying line. The invention provides an electromagnetic pilot valve on-line detection device, which also comprises a blow-drying power-on butt joint device and a blow-drying device; The blow-drying power-on docking device is used for providing power for the blow-drying device; the blow-drying device is used for blow-drying the residual detection liquid in the electromagnetic pilot valve to be detected and the detection liquid attached to the outer surface of the electromagnetic pilot valve to be detected. According to the electromagnetic pilot valve on-lin