CN107037344B - Comprehensive testing equipment for electromagnetic valve performance - Google Patents
Comprehensive testing equipment for electromagnetic valve performance Download PDFInfo
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- CN107037344B CN107037344B CN201611166296.XA CN201611166296A CN107037344B CN 107037344 B CN107037344 B CN 107037344B CN 201611166296 A CN201611166296 A CN 201611166296A CN 107037344 B CN107037344 B CN 107037344B
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- 238000012360 testing method Methods 0.000 title claims abstract description 411
- 238000011056 performance test Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims description 77
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/18—Subjecting similar articles in turn to test, e.g. go/no-go tests in mass production
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The comprehensive test equipment for the electromagnetic valve performance comprises a workbench, a turntable and a detection system, wherein eight stations are uniformly distributed on the turntable; the eight stations are provided with jigs, each jig comprises at least one valve block and a workpiece track, and each valve block is provided with a valve port, an air outlet, an air inlet pipe and an air inlet channel; the six stations are respectively provided with a coil withstand voltage testing mechanism, a coil turn-to-turn testing mechanism, an action performance testing mechanism, a low-voltage leakage testing mechanism, a high-voltage leakage testing mechanism and a dotting mechanism. The invention has the beneficial effects that: by adopting the structure, the pressure resistance performance test, the turn-to-turn performance test, the action performance test and the airtight performance test can be automatically completed on the same equipment, and the marks are made according to the test results, so that the test time is accurate and controllable, the test precision is high, the error rate is small, the operation is convenient, the error is not easy to occur, the safety and the reliability are high, the stability is good, and the production efficiency is high.
Description
Technical Field
The invention relates to the field of electromagnetic valve detection, in particular to comprehensive testing equipment for electromagnetic valve performance.
Background
The electromagnetic valve is an important part of gas equipment, the pressure resistance, turn-to-turn performance, action performance and airtight performance of the electromagnetic valve are very important, the electromagnetic valve is usually tested by different instruments and equipment respectively, and the middle link is required to be manually carried, operated and controlled, so that the testing time cannot be accurately controlled, the testing index error is high, the production efficiency is difficult to improve due to the fact that the electromagnetic valve is tested at different stations, the operation procedure is complex, errors are easy to occur, and potential safety hazards exist.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the comprehensive testing equipment for testing the electromagnetic valve performance, which is convenient to operate, accurate in testing, high in efficiency, and integrated with pressure resistance, turn-to-turn performance, action performance, airtight performance and the like.
The technical scheme for solving the technical problems is as follows: the comprehensive testing equipment for the electromagnetic valve performance comprises a workbench, wherein a rotary table driven by an indexing driving mechanism to rotate is arranged on the workbench, and eight stations are uniformly distributed on the rotary table, and the eight stations are respectively a feeding station, a coil withstand voltage testing station, a coil turn-to-turn testing station, an action performance testing station, a low-pressure leakage testing station, a high-pressure leakage testing station, a dotting marking station and a discharging station;
the device comprises eight stations, wherein the eight stations are provided with jigs matched with electromagnetic valves to be detected, each jig comprises at least one valve block, the front end of each valve block is provided with a valve port opposite to the electromagnetic valve to be detected, the front end of each valve block is provided with a workpiece track opposite to the valve port and used for placing the electromagnetic valve to be detected, the rear end of each valve block is provided with an air outlet communicated with the valve port, the upper wall of each valve block is provided with an air inlet, an air inlet pipe is vertically arranged above each valve block, and an air inlet channel communicated with the valve port through the air inlet is arranged in each air inlet pipe;
the outer side of the coil voltage-resistant testing station is provided with a coil voltage-resistant testing mechanism, the outer side of the coil turn-to-turn testing station is provided with a coil turn-to-turn testing mechanism, the outer side of the action performance testing station is provided with an action performance testing mechanism, the outer side of the low-pressure leakage testing station is provided with a low-pressure leakage testing mechanism, the outer side of the high-pressure leakage testing station is provided with a high-pressure leakage testing mechanism, and the outer side of the dotting marking station is provided with a dotting mechanism;
the coil withstand voltage testing mechanism comprises a coil withstand voltage testing frame, a vertical coil withstand voltage testing cylinder vertically arranged on the coil withstand voltage testing frame and a transverse coil withstand voltage testing cylinder transversely arranged on the coil withstand voltage testing frame, wherein at least one pair of coil withstand voltage testing probes correspondingly arranged above the workpiece track are arranged at the output end of the vertical coil withstand voltage testing cylinder, at least one coil withstand voltage testing ejector rod correspondingly extending into the workpiece track is arranged at the output end of the transverse coil withstand voltage testing cylinder, and a grounding probe is arranged on the coil withstand voltage testing ejector rod;
the coil inter-turn testing mechanism comprises a coil inter-turn testing frame, a vertical inter-turn testing cylinder vertically arranged on the coil inter-turn testing frame and a transverse inter-turn testing cylinder transversely arranged on the coil inter-turn testing frame, wherein at least one pair of coil inter-turn testing probes correspondingly arranged above the workpiece track are arranged at the output end of the vertical inter-turn testing cylinder, and at least one coil inter-turn testing ejector rod correspondingly extending into the workpiece track is arranged at the output end of the transverse inter-turn testing cylinder;
the motion performance testing mechanism, the low-pressure leakage testing mechanism and the high-pressure leakage testing mechanism comprise an airtight testing bracket, a vertical airtight testing cylinder and a vertical electrifying cylinder which are vertically arranged on the airtight testing bracket, and a transverse airtight testing cylinder which is transversely arranged on the airtight testing bracket, wherein at least one inflating block is arranged at the output end of the vertical airtight testing cylinder, an inflating channel is arranged in the inflating block, an inlet of the inflating channel is connected with air supply equipment, an outlet of the inflating channel is correspondingly positioned right above the air inlet channel, at least one pair of electrifying probes which are correspondingly positioned above the workpiece track are arranged at the output end of the vertical electrifying cylinder, and at least one airtight testing ejector rod which correspondingly stretches into the workpiece track is arranged at the output end of the transverse airtight testing cylinder;
the dotting mechanism comprises a dotting frame and a dotting cylinder arranged on the dotting frame, and at least one dotting punch which correspondingly stretches into the workpiece track is arranged at the output end of the dotting cylinder;
the coil withstand voltage test mechanism, the coil turn-to-turn test mechanism, the action performance test mechanism, the low-voltage leakage test mechanism and the high-voltage leakage test mechanism are all connected with the detection system.
Further, detecting system includes coil withstand voltage tester, coil turn-to-turn tester, 2 leak hunting appearance, atmospheric pressure detector and PLC, coil withstand voltage tester with coil withstand voltage test probe electrical property links to each other, coil turn-to-turn tester with coil turn-to-turn test probe electrical property links to each other, atmospheric pressure detector intercommunication action performance testing mechanism's gassing piece, 2 leak hunting appearance communicates respectively low pressure leak testing mechanism and high pressure leak testing mechanism are last to aerify the piece, coil withstand voltage tester, coil turn-to-turn tester and 2 leak hunting appearance all with the PLC electrical property links to each other.
Further, the indexing driving mechanism comprises an indexing motor and a divider connected with the indexing motor, and the turntable is connected above the divider.
Further, at least two positioning columns extending forwards are uniformly distributed on the periphery of the front end of the valve block.
Further, arc-shaped baffles are arranged above the dotting marking station, the blanking station and the feeding station.
Further, the jig on each station is provided with 4 valve blocks, the coil withstand voltage test probes on the coil withstand voltage test mechanism are provided with 4 pairs, the coil withstand voltage test ejector rods and the grounding probes on the coil withstand voltage test mechanism are provided with 4 pairs, the coil inter-turn test probes on the coil inter-turn test mechanism are provided with 4 pairs, the coil inter-turn test ejector rods on the coil inter-turn test mechanism are provided with 2 inflation blocks on the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism, each inflation block is provided with 2 inflation channels, the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism are provided with 4 pairs, the airtight test ejector rods on the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism are provided with 4 pairs, and the dotting punch on the dotting mechanism is provided with 4 dotting punches.
The invention detects the products to be tested as the electromagnetic valve, the electromagnetic valve to be tested includes valve body, coil and valve pad, the withstand voltage test mainly detects the performance of the coil on the electromagnetic valve that bears the overvoltage, the turn-to-turn test mainly detects whether there is the problem of turn-to-turn short circuit or turn-to-turn insulation bad of the coil, the movement test mainly detects the movement performance of the valve pad, can seal the air outlet, the airtight performance mainly detects whether the valve pad can seal the air outlet under the condition of low air pressure and high air pressure, when using, the electromagnetic valve to be tested is correspondingly placed on the work piece orbit of the jig at the loading station, the locating column on the valve block positions the valve body of the electromagnetic valve to be tested, the valve pad of the electromagnetic valve to be tested is placed in the valve port and contacted with the air outlet, the coil of the electromagnetic valve to be tested is located outside the valve port;
the indexing motor drives the turntable to rotate by one station through the divider, namely, the electromagnetic valve to be tested is driven to rotate from the feeding station to the coil withstand voltage test station, then the transverse coil withstand voltage test cylinder drives the coil withstand voltage test ejector rod and the grounding probe to extend into the workpiece track, the coil withstand voltage test ejector rod tightly pushes the electromagnetic valve to be tested on the workpiece track, the grounding probe is contacted with the valve body of the electromagnetic valve to be tested, meanwhile, the vertical coil withstand voltage test cylinder drives the coil withstand voltage test probe to move downwards, the coil withstand voltage test probe is contacted with the end head of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts the coil withstand voltage tester to start testing, the PLC judges whether the electromagnetic valve to be tested is qualified or not according to the test result of the coil withstand voltage tester, after the test is finished, the transverse coil withstand voltage test cylinder drives the coil withstand voltage test ejector rod and the grounding probe to move out of the workpiece track to return, and the vertical coil withstand voltage test cylinder drives the coil withstand voltage test probe to move upwards to return;
the indexing motor drives the turntable to rotate a station through the divider, namely the electromagnetic valve to be tested is driven to move from a coil withstand voltage test station to a coil inter-turn test station, then the transverse inter-turn test cylinder drives the coil inter-turn test ejector rod to stretch into a workpiece track, the coil inter-turn test ejector rod pushes the electromagnetic valve to be tested tightly on the workpiece track, meanwhile, the vertical inter-turn test cylinder drives the coil inter-turn test probe to move downwards, the coil inter-turn test probe is contacted with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts the coil inter-turn test instrument, the PLC judges whether the electromagnetic valve to be tested is qualified or not according to the test result of the coil inter-turn test instrument, and after the test is completed, the transverse inter-turn test cylinder drives the coil inter-turn test ejector rod to move out of the workpiece track to return, and the vertical inter-turn test cylinder drives the coil inter-turn test probe to move upwards to return;
the indexing motor drives the turntable to rotate a station through the divider, namely, the electromagnetic valve to be tested is driven to move from the coil turn-to-turn testing station to the action performance testing station, then the transverse airtight testing cylinder of the action performance testing mechanism drives the airtight testing ejector rod to extend into the workpiece track, the airtight testing ejector rod pushes the electromagnetic valve to be tested against the workpiece track, meanwhile, the vertical electrifying cylinder drives the electrifying probe to move downwards, the electrifying probe contacts with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the vertical airtight testing cylinder drives the air charging block to move downwards, an air charging channel of the air charging block is communicated with an air inlet channel on the valve block and is connected with an air source, the air charging block is filled with 5Kpa of air pressure, the electromagnetic valve to be tested is input with an opening valve voltage through the air pressure detector, the PLC determines that the air pressure of the air charging block is abnormal if the air pressure is reduced to a set value, the PLC determines that the electromagnetic valve to be tested has opened, the air charging valve is not opened if the air pressure is not reduced to the set value, the PLC determines that the air charging valve to be tested is abnormal, if the air charging pressure of the electromagnetic valve to be tested is not reduced to the air pressure is not increased to the set value, if the air pressure is increased to the air pressure is detected by the air pressure detector, the PLC determines that the air charging valve to be abnormal, if the air charging valve to be tested is moved to the air pressure to be moved to the air pressure to the air sealing valve to be tested by the air valve to be normal, if the air pressure to be tested is moved to the air pressure to be the air to be tested by the air;
the indexing motor drives the turntable to rotate by one station through the divider, namely the electromagnetic valve to be tested is driven to move from the motion performance testing station to the low-pressure leakage testing station, then a transverse airtight testing cylinder of the low-pressure leakage testing mechanism drives an airtight testing ejector rod to extend into a workpiece track, the airtight testing ejector rod pushes the electromagnetic valve to be tested tightly on the workpiece track, meanwhile, a vertical electrifying cylinder drives an electrifying probe to move downwards, the electrifying probe contacts with the end head of a coil of the electromagnetic valve to be tested and is connected with a power supply, then the vertical airtight testing cylinder drives an electrifying block to move downwards, an air charging channel of the electrifying block is communicated with an air inlet channel on the valve block and is connected with an air source, the air inlet is pressurized by 0.5Kpa through the electrifying block, the electromagnetic valve to be tested loses electricity, a valve pad seals an air outlet of a valve port, the PLC detects the air pressure change on the electrifying block through the leakage tester to judge whether leakage exists or not, and after the test is completed, the transverse airtight testing cylinder drives the airtight testing ejector rod to move out of the workpiece track, and the vertical electrifying cylinder drives the electrifying probe to move back to a position;
the indexing motor drives the turntable to rotate a station through the divider, namely the electromagnetic valve to be tested is driven to move from a low-pressure leakage test station to a high-pressure leakage test station, then a transverse airtight test cylinder of the high-pressure leakage test mechanism drives an airtight test ejector rod to extend into a workpiece track, the airtight test ejector rod pushes the electromagnetic valve to be tested against the workpiece track, meanwhile, a vertical electrifying cylinder drives an electrifying probe to move downwards, the electrifying probe contacts with the end of a coil of the electromagnetic valve to be tested and is connected with a power supply, then the vertical airtight test cylinder drives an inflating block to move downwards, an inflating channel of the inflating block is communicated with an air inlet channel on the valve block and is connected with an air source, 5Kpa of air pressure is added to the air inlet through the inflating block, the electromagnetic valve to be tested is in power failure, a valve pad seals an air outlet of a valve port, the PLC detects air pressure change on the inflating block through the leakage meter so as to judge whether leakage exists, and after the test is completed, the transverse airtight test cylinder drives the airtight test ejector rod to move out of the workpiece track to return, and the vertical electrifying cylinder drives the electrifying probe to move upwards;
the indexing motor drives the turntable to rotate a station through the divider, namely the electromagnetic valve to be tested is driven to move from the high-pressure leakage testing station to the dotting marking station, if all the performance tests of the electromagnetic valve to be tested such as the coil withstand voltage testing mechanism, the coil turn-to-turn testing mechanism, the action performance testing mechanism, the low-pressure leakage testing mechanism and the high-pressure leakage testing mechanism are qualified, the dotting cylinder drives the dotting punch to extend into the workpiece track and mark the electromagnetic valve to be tested, then the dotting cylinder drives the dotting punch to move out of the workpiece track to return, and if one of the performances is unqualified, the dotting cylinder does not act;
and then the indexing motor drives the turntable to rotate by one station through the divider, namely drives the electromagnetic valve to be tested to move from the dotting marking station to the blanking station, then manually removes the tested electromagnetic valve from the workpiece track, judges qualified products and unqualified products according to whether dotting marks exist or not, and sorts the qualified products and the unqualified products. In the invention, 4 product detection positions are arranged on each station, so that the production efficiency is high. The invention has the beneficial effects that: by adopting the structure, the pressure resistance performance test, the turn-to-turn performance test, the action performance test and the airtight performance test can be automatically completed on the same equipment, and the marks are made according to the test results, so that the test time is accurate and controllable, the test precision is high, the error rate is small, the operation is convenient, the error is not easy to occur, the safety and the reliability are high, the stability is good, and the production efficiency is high.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the turntable of the present invention.
Fig. 3 is a cross-sectional view of the jig of the present invention.
Fig. 4 is a perspective view of the coil withstand voltage testing mechanism of the present invention.
Fig. 5 is a perspective view of the coil turn-to-turn test mechanism of the present invention.
Fig. 6 is a perspective view of the operation performance testing mechanism of the present invention.
Fig. 7 is a perspective view of the dotting mechanism of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1-7, a comprehensive test device for electromagnetic valve performance comprises a workbench 1, wherein a rotary table 2 driven by an indexing driving mechanism to rotate is arranged on the workbench, and eight stations are uniformly distributed on the rotary table, namely a feeding station 3, a coil voltage withstand test station 4, a coil turn-to-turn test station 5, an action performance test station 6, a low-voltage leakage test station 7, a high-voltage leakage test station 8, a dotting marking station 9 and a blanking station 10;
the eight stations are provided with jigs matched with the electromagnetic valves to be detected, each jig comprises at least one valve block 11, the front end of each valve block is provided with a valve port 12 opposite to the electromagnetic valve to be detected, the front end of each valve block is externally provided with a workpiece track 13 opposite to the valve port and used for placing the electromagnetic valve to be detected, the rear end of each valve block is provided with an air outlet 14 communicated with the valve port, the upper wall of each valve block is provided with an air inlet 15, an air inlet pipe 16 is vertically arranged above each valve block, and an air inlet channel 17 communicated with the valve port through the air inlet is arranged in each air inlet pipe;
the outer side of the coil voltage-resistant testing station is provided with a coil voltage-resistant testing mechanism 18, the outer side of the coil turn-to-turn testing station is provided with a coil turn-to-turn testing mechanism 19, the outer side of the action performance testing station is provided with an action performance testing mechanism 20, the outer side of the low-pressure leakage testing station is provided with a low-pressure leakage testing mechanism 21, the outer side of the high-pressure leakage testing station is provided with a high-pressure leakage testing mechanism 22, and the outer side of the dotting marking station is provided with a dotting mechanism 23;
the coil withstand voltage testing mechanism 18 comprises a coil withstand voltage testing frame 24, a vertical coil withstand voltage testing cylinder 25 vertically arranged on the coil withstand voltage testing frame, and a horizontal coil withstand voltage testing cylinder 26 transversely arranged on the coil withstand voltage testing frame, wherein at least one pair of coil withstand voltage testing probes 27 corresponding to the coil withstand voltage testing probes positioned above the workpiece track are arranged at the output end of the vertical coil withstand voltage testing cylinder, at least one coil withstand voltage testing ejector rod 28 corresponding to the coil withstand voltage testing probes extending into the workpiece track is arranged at the output end of the horizontal coil withstand voltage testing cylinder, and a grounding probe 30 is arranged on the coil withstand voltage testing ejector rod;
the coil turn-to-turn testing mechanism 19 comprises a coil turn-to-turn testing frame 31, a vertical turn-to-turn testing cylinder 32 vertically arranged on the coil turn-to-turn testing frame, and a transverse turn-to-turn testing cylinder 33 transversely arranged on the coil turn-to-turn testing frame, wherein at least one pair of coil turn-to-turn testing probes 34 correspondingly arranged above the workpiece track are arranged at the output end of the vertical turn-to-turn testing cylinder, and at least one coil turn-to-turn testing ejector rod 35 correspondingly extending into the workpiece track is arranged at the output end of the transverse turn-to-turn testing cylinder;
the action performance testing mechanism 20, the low-pressure leakage testing mechanism 21 and the high-pressure leakage testing mechanism 22 comprise an airtight testing bracket 36, a vertical airtight testing cylinder 37 and a vertical electrifying cylinder 38 which are vertically arranged on the airtight testing bracket, and a transverse airtight testing cylinder 39 which is transversely arranged on the airtight testing bracket, wherein at least one inflating block 40 is arranged at the output end of the vertical airtight testing cylinder, an inflating channel is arranged in the inflating block, an inlet of the inflating channel is connected with air supply equipment, an outlet of the inflating channel is correspondingly positioned right above the air inlet channel 17, at least one electrifying probe 41 which is correspondingly positioned above the workpiece track is arranged at the output end of the vertical electrifying cylinder, and at least one airtight testing ejector rod 42 which correspondingly stretches into the workpiece track is arranged at the output end of the transverse airtight testing cylinder;
the dotting mechanism 23 comprises a dotting frame 43 and a dotting cylinder 44 arranged on the dotting frame, and at least one dotting punch 45 which correspondingly stretches into the workpiece track is arranged on the output end of the dotting cylinder;
the coil withstand voltage test mechanism, the coil turn-to-turn test mechanism, the action performance test mechanism, the low-voltage leakage test mechanism and the high-voltage leakage test mechanism are all connected with the detection system.
The detection system comprises a coil pressure-resistant tester, a coil inter-turn tester, 2 leak detectors, an air pressure detector and a PLC, wherein the coil pressure-resistant tester is electrically connected with a coil pressure-resistant test probe, the coil inter-turn tester is electrically connected with the coil inter-turn test probe, the air pressure detector is communicated with an air charging block of the action performance testing mechanism, the 2 leak detectors are respectively communicated with the low-pressure leakage testing mechanism and the air charging block of the high-pressure leakage testing mechanism, and the coil pressure-resistant tester, the coil inter-turn tester and the 2 leak detectors are electrically connected with the PLC.
The indexing drive mechanism comprises an indexing motor and a divider 46 connected with the indexing motor, and the turntable is connected above the divider. The indexing driving mechanism can also directly drive the turntable to rotate in an indexing way for the stepping motor.
At least two positioning posts 47 extending forwards are uniformly distributed on the periphery of the front end of the valve block 11.
And an arc-shaped baffle 48 is erected above the dotting marking station 8, the blanking station 9 and the loading station 3.
The jig on each station is provided with 4 valve blocks 11, the coil withstand voltage test probes 27 on the coil withstand voltage test mechanism are provided with 4 pairs, the coil withstand voltage test ejector rods 28 and the grounding probes 30 on the coil withstand voltage test mechanism are provided with 4 pairs, the coil turn-to-turn test probes 34 on the coil turn-to-turn test mechanism are provided with 4 pairs, the coil turn-to-turn test ejector rods 35 on the coil turn-to-turn test mechanism are provided with 4 pairs, the air charging blocks 40 on the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism are provided with 2 air charging channels on each air charging block, the electrifying probes 41 on the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism are provided with 4 pairs, the air sealing test ejector rods 42 on the action performance test mechanism, the low pressure leakage test mechanism and the high pressure leakage test mechanism are provided with 4 pairs, and the dotting punch 45 on the dotting mechanism is provided with 4 dotting punches.
The invention detects the products to be tested as the electromagnetic valve, the electromagnetic valve to be tested includes valve body, coil and valve pad, the withstand voltage test mainly detects the performance of the coil on the electromagnetic valve that bears the overvoltage, the inter-turn test mainly detects whether there is inter-turn short circuit or inter-turn bad insulation problem of the coil, the movement test mainly detects the movement performance of the valve pad, can seal the air outlet, the airtight performance mainly detects whether the valve pad can seal the air outlet under the condition of low air pressure and high air pressure, when using, will be tested the electromagnetic valve to be placed on the work piece orbit 13 of the jig of the position of the loading station 3 correspondingly, the locating column 47 on the valve block 11 positions the valve body of the electromagnetic valve to be tested, the valve pad of the electromagnetic valve to be tested is placed in the valve port 12 and contacted with air outlet 14, the coil of the electromagnetic valve to be tested is located outside of the valve port;
the indexing motor drives the turntable 2 to rotate by one station through the divider 46, namely drives the electromagnetic valve to be tested to rotate from the feeding station 3 to the coil withstand voltage test station 4, then the transverse coil withstand voltage test cylinder 26 drives the coil withstand voltage test ejector rod 28 and the grounding probe 30 to extend into the workpiece track 13, the coil withstand voltage test ejector rod tightly pushes the electromagnetic valve to be tested on the workpiece track, the grounding probe contacts with the valve body of the electromagnetic valve to be tested, meanwhile, the vertical coil withstand voltage test cylinder 25 drives the coil withstand voltage test probe 27 to move downwards, the coil withstand voltage test probe contacts with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts the coil withstand voltage test instrument to start testing, the PLC judges whether the electromagnetic valve to be tested is qualified or not according to the test result of the coil withstand voltage test instrument, after the test is finished, the transverse coil withstand voltage test cylinder drives the coil withstand voltage test ejector rod and the grounding probe to move out of the workpiece track to return, and the vertical coil withstand voltage test cylinder drives the coil withstand voltage test probe to move upwards to return;
the indexing motor drives the turntable 2 to rotate by one station through the divider 46, namely the electromagnetic valve to be tested is driven to move from the coil withstand voltage test station 4 to the coil inter-turn test station 5, then the transverse inter-turn test cylinder 33 drives the coil inter-turn test ejector rod 35 to extend into the workpiece track 13, the coil inter-turn test ejector rod pushes the electromagnetic valve to be tested against the workpiece track, meanwhile, the vertical inter-turn test cylinder 32 drives the coil inter-turn test probe 34 to move downwards, the coil inter-turn test probe is contacted with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts the coil inter-turn test instrument to start testing, the PLC judges whether the electromagnetic valve to be tested is qualified or not according to the test result of the coil inter-turn test instrument, after the test is finished, the transverse inter-turn test cylinder drives the coil inter-turn test ejector rod to move out of the workpiece track to return, and the vertical inter-turn test cylinder drives the coil inter-turn test probe to move upwards to return;
the indexing motor drives the turntable 2 to rotate a station through the divider 46, namely, the solenoid valve to be tested is driven to move from the coil turn-to-turn test station 5 to the action performance test station 6, then the transverse airtight test cylinder 39 of the action performance test mechanism 20 drives the airtight test ejector rod 42 to stretch into a workpiece track, the airtight test ejector rod pushes the solenoid valve to be tested against the workpiece track, meanwhile, the vertical electrifying cylinder 38 drives the electrifying probe 41 to move downwards, the electrifying probe contacts with the end of the coil of the solenoid valve to be tested and is connected with a power supply, then the vertical airtight test cylinder 37 drives the inflating block 40 to move downwards, an inflating channel of the inflating block is communicated with an air inlet channel 17 on the valve block and is connected with an air source, 5Kpa of air pressure is added to the air inlet 15 through the inflating block, the solenoid valve to be tested inputs an opening voltage, and the PLC detects the air pressure of the inflating block through an air pressure detector, if the air pressure is reduced to a set value, the PLC judges that the solenoid valve to be tested is opened, if the air pressure is not reduced to the set value, the PLC judges that the solenoid valve to be tested is opened abnormally, then the solenoid valve to be tested inputs a holding voltage, the PLC detects the air pressure of the air charging block through the air pressure detector, if the air pressure is reduced to the set value, the PLC judges that the solenoid valve to be tested is kept in an opened state, if the air pressure is not reduced to the set value, the PLC judges that the solenoid valve to be tested is abnormal, the PLC detects the air pressure of the air charging block through the air pressure detector, if the air pressure is increased to the set value, the PLC judges that the solenoid valve to be tested is closed normally, if the air pressure is not increased to the set value, the PLC judges that the solenoid valve to be tested is released abnormally, and after the test is finished, the transverse airtight test cylinder drives the airtight test ejector rod to move out of the workpiece track to return, the vertical electrifying cylinder drives the electrifying probe to move back to the position;
the dividing motor drives the turntable 2 to rotate by one station through the divider 46, namely drives the electromagnetic valve to be tested to move from the motion performance testing station 6 to the low-pressure leakage testing station 7, then the transverse airtight testing cylinder 39 of the low-pressure leakage testing mechanism 21 drives the airtight testing ejector rod 42 to extend into the workpiece track 13, the airtight testing ejector rod pushes the electromagnetic valve to be tested to be tightly pressed on the workpiece track, meanwhile, the vertical electrifying cylinder 38 drives the electrifying probe 41 to move downwards, the electrifying probe contacts with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the vertical airtight testing cylinder 37 drives the inflating block 40 to move downwards, the inflating channel of the inflating block is communicated with the air inlet channel 17 on the valve block 11 and is connected with an air source, the air inlet is supplied with 0.5Kpa of air pressure by the inflating block, the electromagnetic valve to be tested is in power failure, the air outlet of the valve pad seals the air outlet of the valve port, the PLC detects the air pressure change on the inflating block through the leak tester, so that whether leakage exists or not is judged, after the test is finished, the transverse airtight testing cylinder drives the airtight testing ejector rod to return to the workpiece track, and the vertical electrifying cylinder moves the electrifying probe back to the position;
the indexing motor drives the turntable 2 to rotate by one station through the divider 46, namely, the solenoid valve to be tested is driven to move from the low-pressure leakage test station 7 to the high-pressure leakage test station 8, then the transverse airtight test cylinder 39 of the high-pressure leakage test mechanism 22 drives the airtight test ejector rod 42 to extend into the workpiece track 13, the airtight test ejector rod pushes the solenoid valve to be tested to be tightly pressed on the workpiece track, meanwhile, the vertical electrifying cylinder 38 drives the electrifying probe 41 to move downwards, the electrifying probe contacts with the end of the coil of the solenoid valve to be tested and is connected with a power supply, then the vertical airtight test cylinder 37 drives the inflating block 40 to move downwards, the inflating channel of the inflating block is communicated with the air inlet channel 17 on the valve block 11 and is connected with an air source, 5Kpa of air pressure is added to the air inlet through the inflating block, the solenoid valve to be tested is powered off, the valve pad seals the air outlet of the valve port, the PLC detects the air pressure change on the inflating block through the leak detector, so that whether leakage exists or not is judged, after the test is finished, the transverse airtight test cylinder drives the airtight test ejector rod to move back out of the workpiece track, and the vertical electrifying cylinder drives the electrifying probe to move upwards to move back to the position;
then the indexing motor drives the turntable 2 to rotate by one station through the divider 46, namely drives the electromagnetic valve to be tested to move from the high-pressure leakage testing station 8 to the dotting marking station 9, if all the performance detection of the electromagnetic valve to be tested such as the coil withstand voltage testing mechanism, the coil turn-to-turn testing mechanism, the action performance testing mechanism, the low-pressure leakage testing mechanism and the high-pressure leakage testing mechanism are qualified, the dotting cylinder 44 drives the dotting punch 45 to extend into the workpiece track 13 and mark the electromagnetic valve to be tested, then the dotting cylinder drives the dotting punch to move out of the workpiece track to return, and if one of all the performances is unqualified, the dotting cylinder does not act; the indexing motor drives the turntable 2 to rotate by one station through the divider 46, namely drives the solenoid valve to be tested to move from the dotting mark station 9 to the blanking station 10, then manually removes the tested solenoid valve from the workpiece track 13, judges qualified products and unqualified products according to whether dotting marks exist or not, and sorts the solenoid valve to be placed. In the invention, 4 product detection positions are arranged on each station, so that the production efficiency is high.
Claims (3)
1. The utility model provides a comprehensive test equipment of solenoid valve performance, includes workstation, its characterized in that:
the rotary table is provided with eight stations which are respectively a feeding station, a coil withstand voltage test station, a coil turn-to-turn test station, an action performance test station, a low-pressure leakage test station, a high-pressure leakage test station, a dotting marking station and a blanking station;
the device comprises eight stations, wherein the eight stations are provided with jigs matched with electromagnetic valves to be detected, each jig comprises at least one valve block, the front end of each valve block is provided with a valve port opposite to the electromagnetic valve to be detected, the front end of each valve block is externally provided with a workpiece track opposite to the valve port and used for placing the electromagnetic valve to be detected, the rear end of each valve block is provided with an air outlet communicated with the valve port, the upper wall of each valve block is provided with an air inlet, an air inlet pipe is vertically arranged above each valve block, an air inlet channel communicated with the valve port through the air inlet is arranged in each air inlet pipe, and the periphery of the front end of each valve block is uniformly provided with at least two positioning columns extending forwards; positioning a valve body of the electromagnetic valve to be tested by a positioning column on the valve block, wherein a valve pad of the electromagnetic valve to be tested is arranged in the valve port and is contacted with the air outlet, and a coil of the electromagnetic valve to be tested is positioned at the outer side of the valve port;
the outer side of the coil voltage-resistant testing station is provided with a coil voltage-resistant testing mechanism, the outer side of the coil turn-to-turn testing station is provided with a coil turn-to-turn testing mechanism, the outer side of the action performance testing station is provided with an action performance testing mechanism, the outer side of the low-pressure leakage testing station is provided with a low-pressure leakage testing mechanism, the outer side of the high-pressure leakage testing station is provided with a high-pressure leakage testing mechanism, and the outer side of the dotting marking station is provided with a dotting mechanism;
the coil withstand voltage testing mechanism comprises a coil withstand voltage testing frame, a vertical coil withstand voltage testing cylinder vertically arranged on the coil withstand voltage testing frame and a horizontal coil withstand voltage testing cylinder transversely arranged on the coil withstand voltage testing frame, wherein at least one pair of coil withstand voltage testing probes correspondingly arranged above the workpiece track are arranged at the output end of the vertical coil withstand voltage testing cylinder, at least one coil withstand voltage testing ejector rod correspondingly extending into the workpiece track is arranged at the output end of the horizontal coil withstand voltage testing cylinder, a grounding probe is arranged on the coil withstand voltage testing ejector rod, the horizontal coil withstand voltage testing cylinder drives the coil withstand voltage testing ejector rod and the grounding probe to extend into the workpiece track, the coil withstand voltage testing ejector rod tightly pushes an electromagnetic valve to be tested on the workpiece track, the grounding probe is in contact with a valve body of the electromagnetic valve to be tested, meanwhile, the vertical coil withstand voltage testing cylinder drives the coil withstand voltage testing probe to move downwards, the coil withstand voltage testing probe is in contact with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts to test, the PLC judges whether the electromagnetic valve to be tested is qualified or not through the testing result of the coil withstand voltage testing instrument, and after the test is completed, the horizontal coil withstand voltage testing cylinder drives the coil withstand voltage testing ejector rod and the grounding probe to extend into the workpiece track, and the coil withstand voltage testing probe moves out of the voltage testing instrument;
the coil turn-to-turn testing mechanism comprises a coil turn testing frame, a vertical turn testing cylinder vertically arranged on the coil turn testing frame and a horizontal turn testing cylinder transversely arranged on the coil turn testing frame, wherein at least one pair of coil turn testing probes correspondingly arranged above the workpiece track are arranged on the output end of the vertical turn testing cylinder, at least one coil turn testing ejector rod correspondingly extending into the workpiece track is arranged on the output end of the horizontal turn testing cylinder, the electromagnetic valve to be tested moves from a coil withstand voltage testing station to a coil turn testing station, then the horizontal turn testing cylinder drives the coil turn testing ejector rod to extend into the workpiece track, the coil turn testing ejector rod pushes the electromagnetic valve to be tested to the workpiece track, meanwhile, the vertical turn testing cylinder drives the coil turn testing probe to move downwards, the coil turn testing probe is in contact with the end of the coil of the electromagnetic valve to be tested and is connected with a power supply, then the PLC starts testing the coil turn testing instrument, the PLC judges whether the electromagnetic valve to be tested is qualified or not through the testing result of the coil turn testing instrument, and after the test is completed, the horizontal turn testing cylinder drives the coil turn testing ejector rod to extend into the workpiece track, and the coil turn testing ejector rod drives the coil turn testing probe to move downwards;
the motion performance testing mechanism, the low-pressure leakage testing mechanism and the high-pressure leakage testing mechanism comprise an airtight testing bracket, a vertical airtight testing cylinder and a vertical electrifying cylinder which are vertically arranged on the airtight testing bracket, and a transverse airtight testing cylinder which is transversely arranged on the airtight testing bracket, wherein at least one inflating block is arranged at the output end of the vertical airtight testing cylinder, an inflating channel is arranged in the inflating block, the inlet of the inflating channel is connected with air supply equipment, the outlet of the inflating channel is correspondingly positioned right above the air inlet channel, at least one pair of electrifying probes which are correspondingly positioned above the workpiece track are arranged at the output end of the vertical electrifying cylinder, at least one airtight testing ejector rod which correspondingly stretches into the workpiece track is arranged at the output end of the transverse airtight testing cylinder, the transverse airtight testing cylinder drives the airtight testing ejector rod to stretch into the workpiece track, the electromagnetic valve to be tested is tightly pressed on the workpiece track, meanwhile, the electrifying probe is driven by the vertical electrifying cylinder to move downwards, the electrifying probe is contacted with the end of a coil of the electromagnetic valve to be tested and is connected with a power supply, and then the vertical airtight testing cylinder drives the inflating block to move downwards, and the inflating block is communicated with the air inlet channel of the electromagnetic valve to be tested;
the dotting mechanism comprises a dotting frame and a dotting cylinder arranged on the dotting frame, and at least one dotting punch which correspondingly stretches into the workpiece track is arranged at the output end of the dotting cylinder;
the coil withstand voltage testing mechanism, the coil turn-to-turn testing mechanism, the action performance testing mechanism, the low-voltage leakage testing mechanism and the high-voltage leakage testing mechanism are all connected with the detection system;
the detection system comprises a coil withstand voltage tester, a coil inter-turn tester, an air pressure tester, 2 leak detectors and a PLC, wherein the coil withstand voltage tester is electrically connected with the coil withstand voltage test probe, the coil inter-turn tester is electrically connected with the coil inter-turn test probe, the air pressure tester is communicated with an air charging block of the action performance test mechanism, 2 leak detectors are respectively communicated with the low-pressure leakage test mechanism and the air charging block of the high-pressure leakage test mechanism, and the coil withstand voltage tester, the coil inter-turn tester and the 2 leak detectors are electrically connected with the PLC; and arc-shaped baffles are erected above the dotting marking station, the blanking station and the feeding station.
2. The integrated test apparatus for solenoid valve performance of claim 1, wherein: the indexing driving mechanism comprises an indexing motor and a divider connected with the indexing motor, and the turntable is connected above the divider.
3. The integrated test apparatus for solenoid valve performance according to claim 1 or 2, characterized in that: the jig on every station all has 4 valve pieces, the withstand voltage test probe of coil on the withstand voltage test mechanism of coil has 4 pairs, withstand voltage test ejector pin of coil on the withstand voltage test mechanism of coil and earth probe all have 4, the test probe of coil on the turn-to-turn test mechanism of coil has 4 pairs, the test ejector pin of coil on the turn-to-turn test mechanism of coil has 4, the inflation piece on action performance test mechanism, low pressure leakage test mechanism and the high pressure leakage test mechanism has 2 respectively, every inflation channel on the inflation piece has 2, the probe of circular telegram on action performance test mechanism, low pressure leakage test mechanism and the high pressure leakage test mechanism has 4 respectively, the airtight test ejector pin on action performance test mechanism, low pressure leakage test mechanism and the high pressure leakage test mechanism has 4 respectively, the dotting punch on the dotting mechanism has 4.
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| CN201611166296.XA CN107037344B (en) | 2016-12-16 | 2016-12-16 | Comprehensive testing equipment for electromagnetic valve performance |
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| CN201611166296.XA CN107037344B (en) | 2016-12-16 | 2016-12-16 | Comprehensive testing equipment for electromagnetic valve performance |
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Effective date of registration: 20231008 Address after: 315300 Tianyuan Industrial Community, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Applicant after: CIXI TIANXING ELECTRIC Co.,Ltd. Address before: 315325 Group 4, Qian Wang 11, Tianyuan Village, Tianyuan Town, Cixi City, Ningbo City, Zhejiang Province Applicant before: Huang Diaojiu |
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