CN116125053A - Test equipment for detecting phenolic epoxy - Google Patents
Test equipment for detecting phenolic epoxy Download PDFInfo
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- CN116125053A CN116125053A CN202310140535.8A CN202310140535A CN116125053A CN 116125053 A CN116125053 A CN 116125053A CN 202310140535 A CN202310140535 A CN 202310140535A CN 116125053 A CN116125053 A CN 116125053A
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000004593 Epoxy Substances 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000084 colloidal system Substances 0.000 claims abstract description 22
- 238000009423 ventilation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 abstract description 13
- 239000003822 epoxy resin Substances 0.000 abstract description 9
- 229920000647 polyepoxide Polymers 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 229920006335 epoxy glue Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 229920003986 novolac Polymers 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention belongs to the technical field of epoxy resin testing, and particularly relates to a testing device for detecting phenolic epoxy, which comprises a base, wherein the end face of the base is coated with phenolic epoxy colloid, the end face of the phenolic epoxy colloid is adhered with a testing substrate, the end face of the testing substrate is in threaded connection with a heat conducting plate, a heating assembly is arranged in the heat conducting plate, an air pump connected with the heating assembly is fixed at the bottom of the base, a heat-sensitive switching mechanism connected with the air pump is arranged in the base, a metering mechanism connected with the air pump is arranged on one side of the base, a first alarm matched with the metering mechanism is arranged on the end face of the base, and an air cavity matched with the heat-sensitive switching mechanism is arranged in the base. The invention can automatically test the heat conduction efficiency, the adhesion and the viscosity at one time, reduce the personnel demand, reduce unnecessary detection waste and improve the overall test efficiency.
Description
Technical Field
The invention belongs to the technical field of epoxy resin testing, and particularly relates to testing equipment for detecting phenolic epoxy.
Background
The phenolic epoxy resin has the characteristics of high viscosity, high crosslinking density of cured products, high temperature resistance, strong adhesive force and the like, so that the phenolic epoxy resin is taken as a main body to prepare the adhesive suitable for the high-temperature environment, and after the phenolic epoxy resin is produced, the phenolic epoxy resin needs to be tested in order to ensure that various performances of the phenolic epoxy resin can meet the requirements of use.
When the detection test process of the adhesive taking the phenolic epoxy resin as a main body is carried out, the performance test such as main adhesion, viscosity and the like is carried out, the detection of heat conduction efficiency is needed, the phenolic epoxy resin is generally applied to a high-temperature environment due to the high-temperature resistance, the heat conduction efficiency is high, the use effect is poor for an adhesive with good heat preservation effect, and conversely, the heat conduction efficiency is low, the use effect is poor for an adhesive with good heat dissipation effect, and additionally heat dissipation measures are needed in practical application;
at present, the detection test of adhesion, viscosity and heat conductivity is required to be carried out separately through corresponding test equipment, and two general methods exist, namely, the performance test is carried out sequentially, so that after one performance is disqualified, the subsequent test can not be carried out, but the overall efficiency is low due to the fact that a plurality of test equipment are required to be used for operation, the requirement on personnel is high, and the performance test is carried out synchronously, but the requirement on personnel is high, unnecessary detection waste is caused, and therefore, a test equipment for detecting phenolic epoxy is provided to solve the problems.
Disclosure of Invention
The object of the present invention is to address the above problems by providing a test apparatus for detecting phenolic epoxy.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a test equipment for detecting phenolic epoxy, includes the base, the terminal surface coating of base has phenolic epoxy colloid, and the terminal surface adhesion of phenolic epoxy colloid has the test substrate, the terminal surface threaded connection of test substrate has the heat conduction board, and the inside of heat conduction board is equipped with heating element, the bottom of base is fixed with the air pump that is connected with heating element, and the inside of base is equipped with the sensible heat shifter who is connected with the air pump, one side of base is equipped with the metering mechanism who is connected with the air pump, and the terminal surface of base be equipped with metering mechanism matched with first alarm, the air cavity with sensible heat shifter matched with has been seted up to the inside of base, and the air vent has all been seted up to four lateral walls of air cavity, the terminal surface of base is located the roof that the air vent is linked together all is equipped with in the position of heat conduction board four sides, and the four lateral walls of heat conduction board all are fixed with the roof that corresponds with air vent, the terminal surface of base is located the position of heat conduction board top and is equipped with the triggering mechanism with the second alarm that is matched with the air vent, each lateral wall of base is equipped with the air vent all be equipped with the air vent on the air vent.
Preferably, the heating assembly comprises a heating cavity arranged on the inner side of the heat conducting plate, an electric heating rod is arranged in the heating cavity, and heat conducting oil liquid is filled in the heating cavity.
Preferably, the heat sensing switching mechanism comprises a groove formed in the end face of the base, two insulating pads are fixed at the bottom of the groove, a thermistor is fixed on the end faces of the two insulating pads together, an electromagnetic switch is arranged on the end face of the base, an air pipe is fixed at the output end of the air pump, a switching pipe connected with the air cavity is fixedly inserted into the pipe wall of the air pipe, and a first normally open electromagnetic valve and a first normally closed electromagnetic valve connected with the electromagnetic switch are respectively arranged in the air pipe and the switching pipe.
Preferably, the metering mechanism comprises a hollow cylinder fixedly arranged at the lower end of the base, the hollow cylinder is communicated with the gas pipe, a first piston push rod is arranged in the hollow cylinder in a sliding mode, the rod wall of the first piston push rod is in sliding connection with the end face of the hollow cylinder, the lower end face of the base is provided with a screw adjusting assembly and is connected with an adjusting plate through the screw adjusting assembly, the side wall of the adjusting plate is fixedly provided with a pressure switch corresponding to the position of the ejector rod, and the pressure switch is connected with the first alarm.
Preferably, the gas cap mechanism is including fixing four fixed columns that set up in the base terminal surface, and the air channel that is linked together with the air duct has all been seted up to the lower extreme of each fixed column, the inside slip of air channel is equipped with the second piston push rod, and the pole wall of second piston push rod and the tank bottom sliding connection of air channel, be equipped with the spring jointly between the tank bottom of second piston push rod and air channel, each the inside of air duct and the inside of homonymy exhaust hole all are equipped with second normally open solenoid valve and second normally closed solenoid valve respectively, each the upside cell wall of air channel has all been embedded with touch switch, the lower extreme of base is fixed with the time delay outage relay that is connected with each second normally open solenoid valve and second normally closed solenoid valve, and time delay outage relay is connected with four touch switches and sets up, each the pole top of second piston push rod all is equipped with ball subassembly.
Preferably, the triggering mechanism comprises a fixed rod fixedly arranged on the end face of the base, the rod wall of the fixed rod is slidably connected with an L-shaped plate, locking nuts are connected at positions, on the upper side and the lower side of the L-shaped plate, of the rod wall of the fixed rod in a threaded mode, a supporting frame is fixed at the lower end of the L-shaped plate, four hollow insulating blocks are fixed at the end portions of the supporting frame, the inner tops of the hollow insulating blocks are fixedly provided with fixed conductive blocks, hemispherical blocks are arranged below the hollow insulating blocks, insulating rods are fixedly arranged at the tops of the hemispherical blocks, movable conductive blocks are fixedly arranged at the rod ends of the insulating rods, and first annular elastic gaskets are commonly fixed between the movable conductive blocks and the inner bottoms of the hollow insulating blocks.
Preferably, each ventilation testing mechanism comprises a round cavity formed in the base, a plurality of ventilation holes are formed in the upper cavity wall of the round cavity, a round hole is formed between the round cavity and the ventilation channels, a third normally-closed electromagnetic valve connected with a time-delay power-off relay is arranged on the inner side of the round hole, a supporting groove plate is fixed in the round cavity, a round piston is arranged in the supporting groove plate in a sliding mode, a second annular elastic pad is arranged between the round piston and the groove bottom of the supporting groove plate, and a trigger switch connected with a third alarm is fixed on the groove bottom of the supporting groove plate.
Preferably, the side wall of the base is fixed with a timing controller connected with four touch switches, and the top of the timing controller is connected with a prompting lamp.
Compared with the prior art, the testing equipment for detecting the phenolic epoxy has the advantages that:
1. through the mutual cooperation of base, test substrate, heat-conducting plate, heating element, thermal switching mechanism, metering mechanism and the first alarm that set up, through simulating actual temperature, the cooperation test substrate heat conduction tests, can simulate the heat conduction efficiency of phenolic epoxy colloid to report to the police suggestion in the design position department in advance.
2. Through the mutually supporting of air cavity, air duct, gas cap mechanism, roof, trigger mechanism, exhaust hole and second alarm that are equipped with, under the qualified circumstances of heat conduction efficiency, can be through the thermal-sensitive switching, the adhesion test to test substrate and phenolic epoxy colloid is carried out in cooperation with the air pump voluntarily.
3. Through the mutually supporting of ventilative accredited testing organization and third alarm that sets up, can be under the qualified circumstances of adhesion test, can test through ventilative mode, can once only carry out the test of heat conduction efficiency, adhesion and viscosity automatically, reduce personnel's demand, reduce unnecessary detection extravagant, improve whole efficiency of software testing.
Drawings
FIG. 1 is a schematic diagram of a test apparatus for detecting phenolic epoxy in accordance with the present invention;
FIG. 2 is a schematic cross-sectional view of a base of a test apparatus for detecting phenolic epoxy in accordance with the present invention;
FIG. 3 is a schematic view of the structure of a heating assembly of a test apparatus for detecting phenolic epoxy in accordance with the present invention;
FIG. 4 is a schematic view of a part of a thermal switching mechanism of a test apparatus for detecting novolac epoxy according to the present invention;
FIG. 5 is a schematic view of the internal structure of a hollow cylinder of a test apparatus for detecting novolac epoxy according to the present invention;
FIG. 6 is a schematic diagram of the structure of a gas cap mechanism of a test apparatus for detecting phenolic epoxy in accordance with the present invention;
FIG. 7 is a schematic side view of a trigger mechanism of a test apparatus for detecting phenolic epoxy in accordance with the present invention;
FIG. 8 is a schematic view of the internal structure of a hollow insulating block of a test apparatus for detecting novolac epoxy according to the present invention;
fig. 9 is a schematic structural view of a ventilation testing mechanism of a testing device for detecting phenolic epoxy.
In the figure: 1 base, 2 phenolic epoxy colloid, 3 test substrate, 4 heat conducting plate, 5 heating component, 51 heating cavity, 52 electric heating rod, 53 heat conducting oil, 6 air pump, 7 heat sensing switching mechanism, 71 groove, 72 insulating pad, 73 thermistor, 74 electromagnetic switch, 75 air pipe, 76 switching tube, 77 first normally open electromagnetic valve, 78 first normally closed electromagnetic valve, 8 metering mechanism, 81 hollow cylinder, 82 first piston push rod, 83 screw adjusting component, 84 adjusting plate, 85 pressure switch, 9 first alarm, 10 air cavity, 11 air channel, 12 air top mechanism, 121 fixed column, 122 air channel, 123 second piston push rod, 124 spring, 125 second normally open electromagnetic valve, 126 second electromagnetic valve, 127 touch switch, 128 time delay power-off relay, 129 ball component, 13 top plate, 14 triggering mechanism, 141 fixed rod, 142L plate, 143 support frame, 144 hollow insulating block, 145 fixed conducting block, 146 hemispherical block, 147 insulating rod, 148 movable conducting block, 149 first annular elastic pad, 15 second alarm, 16, 17 air vent testing mechanism, 171 normally closed cavity, 123 second piston push rod, 124 spring, 125 third normally closed supporting ring-shaped pad, 19, 17 air vent, 172, 173, third annular supporting round supporting disc, and 176, and circular lamp triggering device.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
As shown in fig. 1-9, a test device for detecting phenolic epoxy comprises a base 1, wherein the end face of the base 1 is coated with phenolic epoxy colloid 2, the end face of the phenolic epoxy colloid 2 is adhered with a test substrate 3, the end face of the test substrate 3 is in threaded connection with a heat conducting plate 4, a heating component 5 is arranged in the heat conducting plate 4, the heating component 5 comprises a heating cavity 51 arranged on the inner side of the heat conducting plate 4, an electric heating rod 52 is arranged in the heating cavity 51, the heating cavity 51 is filled with heat conducting oil 53, the heating temperature is kept at 200 ℃, and the material of the test substrate 3 is selected to simulate the material which is adhered in actual need.
The bottom of base 1 is fixed with the air pump 6 that is connected with heating element 5, and the inside of base 1 is equipped with the thermal-sensitive shifter 7 that is connected with air pump 6, thermal-sensitive shifter 7 is including opening the recess 71 that is located the terminal surface of base 1, and the tank bottom of recess 71 is fixed with two insulating pads 72, and the terminal surface of two insulating pads 72 is fixed with thermistor 73 jointly, the terminal surface of base 1 is equipped with electromagnetic switch 74, the output of air pump 6 is fixed with gas-supply pipe 75, and the pipe wall fixed grafting of gas-supply pipe 75 has the switching pipe 76 that is connected with air cavity 10, the inside of gas-supply pipe 75 and the inside of switching pipe 76 are equipped with first normally open solenoid valve 77 and the first normally closed solenoid valve 78 that are connected with electromagnetic switch 74 respectively, electromagnetic switch 74 is the coil circular telegram that is inside produces magnetic attraction after the circular telegram, and adsorb the closed work of moving contact, first normally open solenoid valve 77 circular telegram is closed this moment, first normally open solenoid valve 78 circular telegram normally open.
One side of the base 1 is provided with a metering mechanism 8 connected with the air pump 6, and the end face of the base 1 is provided with a first alarm 9 matched with the metering mechanism 8, the metering mechanism 8 comprises a hollow cylinder 81 fixedly arranged at the lower end of the base 1, the hollow cylinder 81 is communicated with the air pipe 75, a first piston push rod 82 is slidably arranged in the hollow cylinder 81, the rod wall of the first piston push rod 82 is slidably connected with the end face of the hollow cylinder 81, the lower end face of the base 1 is provided with a screw adjusting component 83 and is connected with an adjusting plate 84 through the screw adjusting component 83, the side wall of the adjusting plate 84 is fixedly provided with a pressure switch 85 corresponding to the position of the ejector rod, the pressure switch 85 is connected with the first alarm 9, the screw adjusting component 83 is composed of components such as an adjusting screw matched bearing, the adjusting plate 84 can be displaced in the horizontal direction through rotating the adjusting screw, and accordingly the position of the pressure switch 85 can be adjusted according to preset heat conduction time, and the phenolic epoxy glue 2 can be satisfied as long as the pressure switch 85 is not triggered in the test time.
An air cavity 10 matched with the heat sensing switching mechanism 7 is arranged in the base 1, air passages 11 are respectively arranged on four side walls of the air cavity 10, air jacking mechanisms 12 communicated with the air passages 11 are respectively arranged at the positions of the four sides of the end face of the base 1 on the heat conducting plate 4, top plates 13 corresponding to the air jacking mechanisms 12 are respectively fixed on the four side walls of the heat conducting plate 4, exhaust holes 16 are respectively arranged on the side walls of each air passage 11, the air jacking mechanisms 12 comprise four fixing columns 121 fixedly arranged on the end face of the base 1, air grooves 122 communicated with the air passages 11 are respectively arranged at the lower ends of the fixing columns 121, second piston push rods 123 are slidably arranged in the air grooves 122, the rod walls of the second piston push rods 123 are slidably connected with the bottoms of the air grooves 122, springs 124 are jointly arranged between the second piston push rods 123 and the bottoms of the air grooves 122, the inside of each air passage 11 and the inside of homonymy exhaust hole 16 all are equipped with second normally open solenoid valve 125 and second normally closed solenoid valve 126 respectively, the upside cell wall of each air tank 122 has all been embedded into touch switch 127, the lower extreme of base 1 is fixed to be equipped with the time delay outage relay 128 that is connected with each second normally open solenoid valve 125 and second normally closed solenoid valve 126, and time delay outage relay 128 is connected with four touch switch 127 and sets up, the pole top of each second piston push rod 123 all is equipped with ball subassembly 129, ball subassembly 129 comprises ball and ball piece, frictional force between second piston push rod 123 top and roof 13 can be reduced through the ball, thereby when can avoiding the atress uneven as far as possible, cause excessive wear because of the frictional force is big.
The end face of the base 1 is located the position of heat-conducting plate 4 top and is equipped with trigger mechanism 14 with roof 13 matched with, and the end face of base 1 is equipped with the second alarm 15 with trigger mechanism 14 matched with, trigger mechanism 14 is including fixing the dead lever 141 that sets up in the base 1 terminal surface, and the pole wall sliding connection of dead lever 141 has L shaped plate 142, the pole wall of dead lever 141 is located the position of both sides about L shaped plate 142 and all threaded connection has lock nut, the lower extreme of L shaped plate 142 is fixed with support frame 143, and the tip of support frame 143 is fixed with four cavity insulating blocks 144, the interior top of each cavity insulating block 144 all is fixed with fixed conducting block 145, the below of each cavity insulating block 144 all is equipped with hemisphere piece 146, and the top of each hemisphere piece 146 all is fixed with insulating rod 147, the rod end of each insulating rod 147 all is fixed with movable conducting block 148, all be fixed with first annular elastic pad 149 jointly between movable conducting block 148 and the inner bottom of cavity insulating block 144, can fix L shaped plate 142 on dead lever 141 through lock nut, through adjusting L shaped plate 142 on fixed rod 141, can preset position on the dead lever 141 and can set up the maximum distance according to the maximum displacement of 3.
Each air passage 11 is provided with an air permeability test mechanism 17, and one side of the end face of the base 1 is fixedly provided with a third alarm 18 matched with the air permeability test mechanism 17, each air permeability test mechanism 17 comprises a round cavity 171 formed in the base 1, the upper cavity wall of the round cavity 171 is provided with a plurality of air holes, a round hole 172 is formed between the round cavity 171 and the air passage 11, the inner side of the round hole 172 is provided with a third normally closed electromagnetic valve 173 connected with a time delay power-off relay 128, a supporting groove plate 174 is fixed in the round cavity 171, the inside of the supporting groove plate 174 is slidably provided with a round piston 175, the bottom of the round piston 175 and the bottom of the supporting groove plate 174 are jointly provided with a second annular elastic pad 176, if the viscosity of the phenolic epoxy glue 2 is good, air is not easy to penetrate out through the phenolic epoxy glue 2, at the moment, the round piston 175 can be pushed to move downwards until the trigger switch 177 along with the increase of the air pressure in the round cavity 171, the moment, the third alarm 18 works, and if the viscosity of the phenolic epoxy glue 2 is not specified, the viscosity of the phenolic epoxy glue 2 does not work in the specific time, otherwise, the alarm 18 does not work, and the alarm is not specified.
The side wall of the base 1 is fixed with a timing controller 19 connected with four touch switches 127, the top of the timing controller 19 is connected with a prompt lamp 20, the timing controller 19 is started to work along with the fact that the four touch switches 127 are touched, the prompt lamp 20 can work at the moment, the timing time is 1 minute, when the prompt lamp 20 is on, the test is conducted to an air-permeable viscosity stage, if the prompt lamp 20 is off, the third alarm 18 works, namely the viscosity of the phenolic epoxy colloid 2 is qualified, and after the prompt lamp 20 is off, the whole test is completed.
The principle of operation of the invention is now described as follows: coating a phenolic epoxy colloid 2 on the center of the end face of a base 1, adhering a test substrate 3 to the phenolic epoxy colloid 2, regulating a pressure switch 85 to a preset position through a screw regulating component 83, regulating the height of an L-shaped plate 142 to the preset position through a fixed rod 141 and a locking nut, starting an electric heating rod 52, synchronously starting the operation of an air pump 6 at the moment, matching a heat conducting oil 53 and a heat conducting plate 4, heating one side of the test substrate 3 (the heated temperature is kept at 200 ℃), conducting heat to a thermistor 73 through the phenolic epoxy colloid 2, reducing the resistance of the thermistor 73 along with the temperature rise of the thermistor 73, and after the temperature of the thermistor 73 rises to 50 ℃, introducing enough current into an electromagnetic switch 74 through the thermistor 73 at the moment, so that a movable contact of the electromagnetic switch 74 is closed, and at the moment, the first normally open electromagnetic valve 77 is closed and the first normally open electromagnetic valve 78 is opened, and before the first normally open electromagnetic valve 77 is closed, air conveyed by the operation of the air pump 6 enters the hollow cylinder 81 through a pipe 75, under the action of air pressure, the first piston push rod 82 is pushed to move, and if the first piston rod 82 is contacted with the first piston 82, the first piston 85, the electromagnetic switch 9 is enabled to stop the operation of the automatic pressure regulator, and the thermal efficiency is not required to be proved, and if the thermal efficiency is not to be qualified, and the thermal efficiency is tested, and the thermal efficiency is not is proved, and the full-state, and the thermal efficiency is tested, and the full-life efficiency is not can be tested, and when the temperature is judged, and when the temperature is tested, and the temperature is not is tested;
the air conveyed by the air pump 6 is conveyed to the air cavity 10 through the air conveying pipe 75 and the switching pipe 76, at the moment, the air is conveyed to the air grooves 122 in each fixed column 121 by matching with the four air passages 11, the second piston push rods 123 are pushed to match with the ball assemblies 129, the top plate 13 can be jacked, at the moment, the four sides of the test base material 3 can be jacked and stressed, when each second piston push rod 123 is jacked to the maximum distance, if the second alarm 15 does not work, the jacked distance of the test base material 3 is smaller than the preset position, at the moment, the adhesion of the phenolic epoxy colloid 2 is qualified, and if the adhesion of the phenolic epoxy colloid 2 is not qualified, the jacked displacement of the test base material 3 is larger under the action of the jacked pushing force, at the moment, each hemispherical block 146 can be touched, and the movable conductive block 148 can be contacted with the fixed conductive block 145 at the same side by matching with the insulating rod 147, at this time, the second alarm 15 can be operated, the operator can stop the whole test, when the second piston push rod 123 moves up to the maximum distance, and under the condition that the second alarm 15 is not operated, the second piston push rod 123 can press the touch switch 127, at this time, the four second normally open electromagnetic valves 125 can be electrified and closed, the four second normally closed electromagnetic valves 126 are electrified and opened, and when the second normally open electromagnetic valves 125 are closed, the second normally closed electromagnetic valves 126 are opened, the second piston push rod 123 moves back under the action of the spring 124, at this time, the air in the air tank 122 is discharged, and the second piston push rod 123 is separated from the touch switch 127, at this time, the four second normally closed electromagnetic valves 126 and the four second normally open electromagnetic valves 125 keep electrified and operate under the action of the time delay power-off relay 128, wherein the time delay power-off time of the time delay power-off relay 128 is 1 minute;
while the four second normally open electromagnetic valves 125 and the four second normally closed electromagnetic valves 126 are electrified, the two third normally closed electromagnetic valves 173 are synchronously electrified and work, and under the action of the delay power-off relay 128, the third normally closed electromagnetic valves 173 can be electrified and powered off in a stepping way, at this time, because the four second normally open electromagnetic valves 125 are electrified and closed, and the third normally closed electromagnetic valves 173 are electrified and opened, gas in the air cavity 10 enters the circular cavity 171 through the circular holes 172 and presses the phenolic epoxy colloid 2 through the plurality of ventilation holes, if the viscosity of the phenolic epoxy colloid 2 is poor, the air permeability is larger, at this time, the third alarm 18 does not work, if the viscosity of the phenolic epoxy colloid 2 is good, the gas is not easy to penetrate through the phenolic epoxy colloid 2, at this time, the circular piston 175 can be pushed to move downwards along with the increase of the air pressure in the circular cavity 171 until the trigger switch 177 is touched, at this time, the third alarm 18 works, at this time, the qualified viscosity of the phenolic epoxy colloid 2 is illustrated, and the whole test can be stopped at this time.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The test equipment for detecting phenolic epoxy comprises a base (1), and is characterized in that the end face of the base (1) is coated with a phenolic epoxy colloid (2), the end face of the phenolic epoxy colloid (2) is adhered with a test base material (3), the end face of the test base material (3) is in threaded connection with a heat conducting plate (4), the inside of the heat conducting plate (4) is provided with a heating component (5), the bottom of the base (1) is fixedly provided with an air pump (6) connected with the heating component (5), the inside of the base (1) is provided with a heat sensing switching mechanism (7) connected with the air pump (6), one side of the base (1) is provided with a metering mechanism (8) connected with the air pump (6), the end face of the base (1) is provided with a first alarm (9) matched with the metering mechanism (8), the inside of the base (1) is provided with an air cavity (10) matched with the heat sensing switching mechanism (7), four side walls of the air cavity (10) are respectively provided with an air passage (11), the end face of the base (1) is positioned on the heat conducting plate (4) and the four side surfaces of the base (12) are respectively provided with a top plate (12) respectively connected with the air passage (12), the end face of base (1) is located the position of heat-conducting plate (4) top and is equipped with trigger mechanism (14) with roof (13) matched with, and the terminal surface of base (1) be equipped with trigger mechanism (14) matched with second alarm (15), each vent hole (16) have all been seted up to the lateral wall of vent (11), each all be equipped with ventilation testing mechanism (17) on vent (11), and the terminal surface one side of base (1) is fixed be equipped with ventilation testing mechanism (17) matched with third alarm (18).
2. The test device for detecting phenolic epoxy according to claim 1, wherein the heating assembly (5) comprises a heating cavity (51) formed inside the heat conducting plate (4), an electric heating rod (52) is arranged inside the heating cavity (51), and heat conducting oil liquid (53) is filled inside the heating cavity (51).
3. The test device for detecting phenolic epoxy according to claim 1, wherein the thermal switching mechanism (7) comprises a groove (71) formed in the end face of the base (1), two insulation pads (72) are fixed at the bottom of the groove (71), a thermistor (73) is jointly fixed on the end faces of the two insulation pads (72), an electromagnetic switch (74) is arranged on the end face of the base (1), an air pipe (75) is fixed at the output end of the air pump (6), a switching pipe (76) connected with the air cavity (10) is fixedly inserted into the pipe wall of the air pipe (75), and a first normally-open electromagnetic valve (77) and a first normally-closed electromagnetic valve (78) connected with the electromagnetic switch (74) are respectively arranged inside the air pipe (75) and inside the switching pipe (76).
4. A test apparatus for detecting phenolic epoxy according to claim 3, characterized in that the metering mechanism (8) comprises a hollow cylinder (81) fixedly arranged at the lower end of the base (1), the hollow cylinder (81) is communicated with the air delivery pipe (75), a first piston push rod (82) is slidably arranged in the hollow cylinder (81), the rod wall of the first piston push rod (82) is slidably connected with the end face of the hollow cylinder (81), a screw adjusting assembly (83) is arranged at the lower end face of the base (1) and is connected with an adjusting plate (84) through the screw adjusting assembly (83), a pressure switch (85) corresponding to the position of the ejector rod is fixed on the side wall of the adjusting plate (84), and the pressure switch (85) is connected with the first alarm (9).
5. The test equipment for detecting phenolic epoxy according to claim 1, wherein the air-jacking mechanism (12) comprises four fixing columns (121) fixedly arranged on the end face of the base (1), air grooves (122) communicated with the air channels (11) are formed in the lower ends of the fixing columns (121), second piston push rods (123) are slidably arranged in the air grooves (122), rod walls of the second piston push rods (123) are slidably connected with groove bottoms of the air grooves (122), springs (124) are jointly arranged between the second piston push rods (123) and groove bottoms of the air grooves (122), second normally open electromagnetic valves (125) and second normally closed electromagnetic valves (126) are respectively arranged in the air channels (11) and the air holes (16) on the same side, touch switches (127) are respectively embedded in upper groove walls of the air grooves (122), power-off relays (128) connected with the second normally open electromagnetic valves (125) and the second normally closed electromagnetic valves (126) are fixedly arranged at the lower ends of the base (1), and the power-off time delay relays (128) are connected with the ball push rods (129) respectively.
6. The test device for detecting phenolic epoxy according to claim 1, wherein the triggering mechanism (14) comprises a fixing rod (141) fixedly arranged on the end face of the base (1), the rod wall of the fixing rod (141) is slidably connected with an L-shaped plate (142), locking nuts are connected to the positions, located on the upper side and the lower side of the L-shaped plate (142), of the rod wall of the fixing rod (141), a supporting frame (143) is fixed to the lower end of the L-shaped plate (142), four hollow insulating blocks (144) are fixed to the end portions of the supporting frame (143), fixed conducting blocks (145) are fixed to the inner tops of the hollow insulating blocks (144), hemispherical blocks (146) are arranged below the hollow insulating blocks (144), insulating rods (147) are fixedly arranged on the tops of the hemispherical blocks (146), movable conducting blocks (148) are fixedly arranged on the rod ends of the hemispherical blocks (147), and first annular gaskets (149) are jointly fixed between the movable conducting blocks (148) and the inner bottoms of the hollow insulating blocks (144).
7. The test device for detecting phenolic epoxy according to claim 5, wherein each ventilation test mechanism (17) comprises a round cavity (171) formed in the base (1), a plurality of ventilation holes are formed in the upper cavity wall of the round cavity (171), a round hole (172) is formed between the round cavity (171) and the ventilation duct (11) jointly, a third normally closed electromagnetic valve (173) connected with the time-delay power-off relay (128) is arranged on the inner side of the round hole (172), a supporting groove plate (174) is fixed in the round cavity (171), a round piston (175) is arranged in the supporting groove plate (174) in a sliding mode, a second annular elastic pad (176) is arranged at the bottom of the round piston (175) and the bottom of the supporting groove plate (174) jointly, and a trigger switch (177) connected with the third alarm (18) is fixed at the bottom of the supporting groove plate (174).
8. The test equipment for detecting phenolic epoxy according to claim 5, wherein a timing controller (19) connected with four touch switches (127) is fixed on the side wall of the base (1), and a prompting lamp (20) is connected to the top of the timing controller (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140535.8A CN116125053B (en) | 2023-02-21 | Test equipment for detecting phenolic epoxy resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310140535.8A CN116125053B (en) | 2023-02-21 | Test equipment for detecting phenolic epoxy resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116125053A true CN116125053A (en) | 2023-05-16 |
| CN116125053B CN116125053B (en) | 2024-05-31 |
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| CN117129841A (en) * | 2023-10-26 | 2023-11-28 | 深圳市微特精密科技股份有限公司 | ICT test fixture device that opens and shuts |
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