Service life detection device and detection method suitable for solenoid valve production

Abstract

The invention discloses a service life detection device and method suitable for solenoid valve production, and the device comprises a frame pedestal, the middle parts of the outer walls of two sides of the frame pedestal are rotatably provided with guide screw rods, the outer wall of one side of each guide screw rod is connected with a servo motor through a coupler, and the outer wall of the middle part of each guide screw rod is in threaded connection with a guide block. First electric telescopic rods are fixed to the tops of the guide blocks through bolts, fixing hoops are arranged at the tops of piston rods of the first electric telescopic rods, connecting guide pipes are clamped and fixed to the inner walls of the fixing hoops, and inner threaded pipes are arranged at the ends of the connecting guide pipes; in the detection process of the service life of the electromagnetic valve, in order to simulate the service life in a high-temperature environment, an electric heating wire is arranged at the bottom to be matched with an air inlet fan to blow heated air into the protective cover, the service life in the high-temperature environment is simulated, strict simulation in various extreme environments is achieved, the detection result can be more reliable, and the detection efficiency is improved. And the device is more persuasive.

Description

Technical Field

[0001] The present invention relates to the technical field of solenoid valve production, and in particular to a life detection device and a detection method suitable for solenoid valve production. Background Art

[0002] Solenoid valve is a basic automation component that uses electromagnetic force to control switches. It is widely used in industrial control systems and scientific research instrument systems to control parameters such as fluid flow direction, flow rate and pressure. The core function of the solenoid valve is to use the electromagnetic force generated by the electromagnetic coil to push the valve core to achieve fluid on and off or switching. After the solenoid valve is produced, it is often necessary to use a life detection device to detect the service life of the solenoid valve. However, there are still some problems when using the existing life detection device in the production process of the solenoid valve:

[0003] 1. The fixation is cumbersome and the adaptability is poor. When the existing detection device performs fixed detection on the solenoid valve, due to the special structure of the solenoid valve, the fixing method of the solenoid valve is relatively cumbersome. Most of them use manual labor to take the solenoid valve and then align and fix it. This not only has low installation efficiency, but also the adaptability of the connecting pipe models at both ends of the solenoid valve is not good, resulting in a poor overall user experience.

[0004] 2. Inaccurate test results. When the existing solenoid valve service life detection device is used in a simulated environment for the solenoid valve, its overall detection environment cannot accurately experience the harsh environment, so the service life obtained in a normal environment cannot represent the use in an extreme environment, resulting in inaccurate test results. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a life detection device and a detection method suitable for the production of solenoid valves.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A life detection device suitable for solenoid valve production, comprising a frame base, guide screws are rotatably arranged in the middle of the outer walls on both sides of the frame base, and one side outer wall of the guide screw is connected to a servo motor through a coupling, a guide block is screwed on the middle outer wall of the guide screw, and a first electric telescopic rod is fixed to the top of the guide block by bolts, a fixing clamp is provided on the top of the piston rod of the first electric telescopic rod, and a connecting conduit is clamped and fixed on the inner wall of the fixing clamp, an internal threaded tube is provided on the end of the connecting conduit, compression springs distributed equidistantly are provided on the middle inner wall of the frame base, and a mounting plate is slidably inserted on the top of the compression spring, vibration motors are fixed to both ends of the mounting plate by bolts, and a fixing bracket is provided on the top of the mounting plate, a protective cover is installed on the top of the frame base, and a sealing door panel is hinged on the inner wall of one side of the protective cover.

[0008] As a further solution of the present invention: both outer walls of the guide block are penetrated with limiting holes, and the inner walls of the limiting holes are slidably inserted with limiting guide rods.

[0009] As a further solution of the present invention: an outer wall of one of the connecting conduits is sleeved with a water inlet pipe, and a micro water pump is connected to the bottom of the water inlet pipe, and an outer wall of the other connecting conduit is sleeved with a drain pipe, and the drain pipe and the micro water pump are both located inside the water collecting shell.

[0010] As a further solution of the present invention: slot holes are penetrated at both ends of the top of the fixing bracket, and slot rods are slidably inserted into the inner walls of the slot holes, and the slot holes and the slot rods form an insert fit.

[0011] As a further solution of the present invention: an arc-shaped pressing plate is welded to the top outer wall of the slot rod, and a second electric telescopic rod is arranged on one side of the arc-shaped pressing plate.

[0012] As a further solution of the present invention: an annular sealing groove is formed on the outer wall of the end of the connecting conduit, and an annular sealing gasket is filled on the inner wall of the annular sealing groove.

[0013] As a further solution of the present invention: the top outer wall of the protective cover is connected to a heating shell, and the inner wall of the heating shell is provided with electric heating wires distributed at equal distances, the top of the heating shell is fixed with an air intake fan by bolts, and a temperature sensor is provided inside the protective cover, the temperature sensor is connected to the PLC controller through a signal line, and the PLC controller is connected to the electric heating wires and the air intake fan through the signal line.

[0014] As a further solution of the present invention: the inner wall of the arc-shaped pressure plate and the top inner wall of the fixing bracket are both bonded with anti-skid rubber pads, and the outer walls of the anti-skid rubber pads are both provided with anti-skid threads.

[0015] A life detection method suitable for solenoid valve production includes the following steps:

[0016] S1: First, connect the detection device to an external power supply and assemble it for trial operation. After normal operation, place the solenoid valve to be tested on the top of the fixed bracket, then align the slot rod with the inside of the slot hole, then retract the second electric telescopic rod, and use the arc-shaped pressure plate to press down and fix the solenoid valve;

[0017] S2: After the solenoid valve is fixed, the height of the connecting conduit is adjusted by using the first electric telescopic rods on both sides to adjust the height to be consistent with the height of the two ends of the solenoid valve, and the servo motors on both sides are started to drive the guide blocks to move, so that the connecting conduit is attached to the two ends of the solenoid valve and is screwed and fixed by using the internal threaded pipe;

[0018] S3: After connecting the outer wall, start the micro pump to pump water, then start the solenoid valve, and continuously connect electricity to clear and close it, so as to detect when the solenoid valve has problems, and then find out how long the solenoid valve is, and detect whether the solenoid valve is leaking in real time;

[0019] S4: During the solenoid valve connection test, in order to simulate specific harsh conditions, the vibration motors on both sides are started, so as to cooperate with the compression spring at the bottom of the mounting plate, and the vibration motor is used to drive the solenoid valve to vibrate, thereby simulating the service life of the solenoid valve under abnormal environment;

[0020] S5: After simulating the use conditions in a vibration environment, start the electric heating wire on the top to heat the air, and use the air intake fan to blow the hot air into the protective cover to simulate the service life of the solenoid valve in a high temperature environment. Combined with the test in a vibration environment, the service life of the solenoid valve in an extreme environment can be obtained.

[0021] Compared with the prior art, the present invention provides a life detection device and a detection method suitable for the production of solenoid valves, which have the following beneficial effects:

[0022] 1. The life detection device for the solenoid valve production of this design cooperates with the fixed bracket and the arc-shaped pressure plate with adjustable position, so that the solenoid valve can be quickly pressed down and fixed, and the positions of the two ends are adjustable, and different types of connecting conduits can be replaced at will to cooperate with each other, and the two ends of the solenoid valve can be quickly sealed and connected, which greatly improves the convenience and adaptability of the device.

[0023] 2. The life detection device of the solenoid valve production designed in this invention starts the vibration motor and cooperates with the bottom compression spring to make the solenoid valve vibrate continuously during use in order to improve the accuracy of the simulation test when conducting diversion and power-off detection on the solenoid valve. This simulates the reliability and service life of the solenoid valve in an extreme vibration environment, making the test result more accurate and reliable.

[0024] 3. The life detection device of the solenoid valve production designed in this invention, during the detection process of the solenoid valve service life, in order to simulate the service life in a high temperature environment, an electric heating wire is arranged at the bottom to cooperate with the air intake fan to blow the heated air into the inside of the protective cover to simulate the service life in a high temperature environment. The harsh simulation in various extreme environments can make the test results more reliable and more convincing.

[0025] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a life detection device suitable for solenoid valve production proposed by the present invention;

[0027] Figure 2 This is a side view of the overall structure of a life detection device suitable for solenoid valve production proposed by the present invention;

[0028] Figure 3 This is a schematic structural diagram from a first perspective of a life detection device suitable for solenoid valve production proposed by the present invention;

[0029] Figure 4 This is a schematic diagram of the internal structure of a life detection device suitable for solenoid valve production proposed by the present invention.

[0030] In the figure: 1. frame base; 2. guide screw rod; 3. servo motor; 4. guide block; 5. limit hole; 6. limit guide rod; 7. first electric telescopic rod; 8. fixing clamp; 9. connecting guide tube; 10. internal threaded pipe; 11. water inlet pipe; 12. micro water pump; 13. water collecting shell; 14. drain pipe; 15. compression spring; 16. mounting plate; 17. fixing bracket; 18. slot hole; 19. slot rod; 20. arc pressure plate; 21. second electric telescopic rod; 22. protective cover; 23. sealing door panel; 24. heating shell; 25. electric heating wire; 26. intake fan; 27. vibration motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] Embodiment 1:

[0033] A life detection device suitable for solenoid valve production, this embodiment is based on plastic products with a density greater than water, in order to achieve impurity cleaning, such as Figure 1-4 As shown, it includes a frame base 1, and the vibration motor 27 model is a YZO series vibration motor, the middle part of the outer wall on both sides of the frame base 1 is rotatably provided with a guide screw 2, and the outer wall on one side of the guide screw 2 is connected to a servo motor 3 through a coupling, the middle outer wall of the guide screw 2 is screwed with a guide block 4, and the top of the guide block 4 is fixed with a first electric telescopic rod 7 by bolts, the top of the piston rod of the first electric telescopic rod 7 is provided with a fixing clamp 8, and the inner wall of the fixing clamp 8 is clamped and fixed with a connecting conduit 9, and the end of the connecting conduit 9 is provided with an internal threaded tube 10, the middle inner wall of the frame base 1 is provided with equidistantly distributed compression springs 15, and the top of the compression spring 15 is slidably plugged with a mounting plate 16, both ends of the mounting plate 16 are fixed with vibration motors 27 by bolts, and a fixing bracket 17 is provided on the top of the mounting plate 16, a protective cover 22 is installed on the top of the frame base 1, and a sealing door panel 23 is hinged on the inner wall of one side of the protective cover 22;

[0034] By cooperating with the fixed bracket 17 and the adjustable arc pressure plate 20, the solenoid valve can be quickly pressed down and fixed, and the positions of the two ends are adjustable, and different types of connecting conduits 9 can be replaced at will to cooperate with each other, so that the two ends of the solenoid valve can be quickly sealed and connected, which greatly improves the convenience and adaptability of the device.

[0035] The outer walls of both sides of the guide block 4 are penetrated with limiting holes 5, and the inner walls of the limiting holes 5 are slidably inserted with limiting guide rods 6, the outer wall of one of the connecting conduits 9 is sleeved with a water inlet pipe 11, and the bottom of the water inlet pipe 11 is connected to a micro water pump 12, and the outer wall of the other connecting conduit 9 is sleeved with a drain pipe 14, and the drain pipe 14 and the micro water pump 12 are both located inside the water collecting shell 13;

[0036] Both ends of the top of the fixing bracket 17 are penetrated with slot holes 18 , and the inner wall of the slot hole 18 is slidably plugged with a slot rod 19 , and the slot hole 18 and the slot rod 19 form a plug-in fit.

[0037] When conducting flow-through power-off detection of the service life of the solenoid valve, in order to improve the accuracy of the simulation test, the vibration motor 27 of the YZO series model is started to cooperate with the bottom compression spring 15 to make the solenoid valve vibrate continuously during use, simulating the reliability and service life of the solenoid valve under extreme vibration environment, so that the test results are more accurate and reliable;

[0038] The top outer wall of the slot rod 19 is welded with an arc-shaped pressing plate 20, and a second electric telescopic rod 21 is arranged on one side of the arc-shaped pressing plate 20. The end outer wall of the connecting conduit 9 is provided with an annular sealing groove, and the inner wall of the annular sealing groove is filled with an annular sealing gasket;

[0039] Embodiment 2:

[0040] A life detection device suitable for solenoid valve production, such as Figure 1-4 As shown, this embodiment makes the following supplements on the basis of embodiment 1: the top outer wall of the protective cover 22 is connected to the heating shell 24, and the inner wall of the heating shell 24 is provided with electric heating wires 25 distributed at equal distances, the top of the heating shell 24 is fixed with an air intake fan 26 by bolts, and a temperature sensor is provided inside the protective cover 22, the temperature sensor is connected to the PLC controller through a signal line, and the PLC controller is connected to the electric heating wire 25 and the air intake fan 26 through a signal line, the inner wall of the arc pressure plate 20 and the top inner wall of the fixing bracket 17 are both bonded with anti-skid rubber pads, and the outer walls of the anti-skid rubber pads are both provided with anti-skid threads;

[0041] During the detection of the service life of the solenoid valve, in order to simulate the service life in a high temperature environment, an electric heating wire 25 is arranged at the bottom to cooperate with an air intake fan 26 to blow heated air into the interior of the protective cover 22 to simulate the service life in a high temperature environment. The harsh simulation in various extreme environments can make the test results more reliable and more convincing.

[0042] A life detection method suitable for solenoid valve production includes the following steps:

[0043] S1: First, the detection device is connected to an external power supply and assembled for trial operation. After normal operation, the solenoid valve to be tested is placed on the top of the fixed bracket 17, and then the slot rod 19 is aligned with the inside of the slot hole 18, and then the second electric telescopic rod 21 is retracted, and the arc-shaped pressing plate 20 is used to press down and fix the solenoid valve;

[0044] S2: After the solenoid valve is fixed, the height of the connecting conduit 9 is adjusted by using the first electric telescopic rods 7 on both sides to adjust the height to be consistent with the height of the two ends of the solenoid valve, and the servo motors 3 on both sides are started, and the guide blocks 4 are driven by the servo motors 3 to move, so that the connecting conduit 9 is attached to the two ends of the solenoid valve, and is screwed and fixed by using the internal threaded tube 10;

[0045] S3: After connecting the outer wall, start the micro pump 12 to pump water, then start the solenoid valve, and continuously connect electricity to clear and close it, so as to detect when the solenoid valve has problems, and then find out how long the solenoid valve is used for, and detect in real time whether the solenoid valve is leaking;

[0046] S4: During the solenoid valve connection test, in order to simulate specific harsh conditions, the YZO series vibration motors 27 on both sides are started, so as to cooperate with the compression spring 15 at the bottom of the mounting plate 16, and the YZO series vibration motor 27 is used to drive the solenoid valve to vibrate, thereby simulating the service life of the solenoid valve under abnormal environment;

[0047] S5: After simulating the use conditions in a vibration environment, start the electric heating wire 25 on the top to heat the air, and use the air intake fan 26 to blow hot air into the protective cover 22, so that the solenoid valve can simulate the service life in a high temperature environment. Combined with the detection in a vibration environment, the service life of the solenoid valve in an extreme environment can be obtained.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A life detection device suitable for solenoid valve production, comprising a frame base (1), characterized in that: A guide screw (2) is rotatably arranged in the middle of the outer walls on both sides of the frame base (1), and a servo motor (3) is connected to the outer wall of one side of the guide screw (2) via a coupling, a guide block (4) is screwed to the outer wall of the middle part of the guide screw (2), and a first electric telescopic rod (7) is fixed to the top of the guide block (4) via bolts, a fixing clamp (8) is provided at the top of the piston rod of the first electric telescopic rod (7), and a connecting conduit (9) is clamped and fixed to the inner wall of the fixing clamp (8), and the connecting conduit (9) 9) is provided with an internal threaded tube (10), the middle inner wall of the frame base (1) is provided with compression springs (15) distributed at equal distances, and a mounting plate (16) is slidably inserted on the top of the compression spring (15), both ends of the mounting plate (16) are fixed with a vibration motor (27) by bolts, and a fixing bracket (17) is provided on the top of the mounting plate (16), a protective cover (22) is installed on the top of the frame base (1), and a sealing door panel (23) is hinged on the inner wall of one side of the protective cover (22).

2. A life detection device suitable for solenoid valve production according to claim 1, characterized in that: The outer walls of both sides of the guide block (4) are penetrated with limiting holes (5), and the inner walls of the limiting holes (5) are slidably inserted with limiting guide rods (6).

3. The life detection device suitable for solenoid valve production according to claim 1 is characterized in that: A water inlet pipe (11) is sleeved on the outer wall of one of the connecting conduits (9), and a micro water pump (12) is connected to the bottom of the water inlet pipe (11); a drainage pipe (14) is sleeved on the outer wall of the other connecting conduit (9), and both the drainage pipe (14) and the micro water pump (12) are located inside the water collection shell (13).

4. The life detection device suitable for solenoid valve production according to claim 1 is characterized in that: Both ends of the top of the fixing bracket (17) are penetrated with slot holes (18), and the inner wall of the slot hole (18) is slidably plugged with a slot rod (19), and the slot hole (18) and the slot rod (19) form a plug-in fit.

5. A life detection device suitable for solenoid valve production according to claim 4, characterized in that: The top outer wall of the slot rod (19) is welded with an arc-shaped pressing plate (20), and a second electric telescopic rod (21) is arranged on one side of the arc-shaped pressing plate (20).

6. The life detection device suitable for solenoid valve production according to claim 1 is characterized in that: An annular sealing groove is formed on the outer wall of the end of the connecting conduit (9), and an annular sealing gasket is filled on the inner wall of the annular sealing groove.

7. The life detection device suitable for solenoid valve production according to claim 1 is characterized in that: The top outer wall of the protective cover (22) is connected to a heating shell (24), and the inner wall of the heating shell (24) is provided with electric heating wires (25) distributed at equal distances, the top of the heating shell (24) is fixed with an air intake fan (26) by bolts, and a temperature sensor is provided inside the protective cover (22), the temperature sensor is connected to a PLC controller via a signal line, and the PLC controller is connected to the electric heating wires (25) and the air intake fan (26) via a signal line.

8. A life detection device and detection method suitable for solenoid valve production according to claim 5, characterized in that: The inner wall of the arc-shaped pressing plate (20) and the top inner wall of the fixing bracket (17) are both bonded with anti-skid rubber pads, and the outer walls of the anti-skid rubber pads are both provided with anti-skid threads.

9. A life detection method applicable to the production of electromagnetic valves, using the life detection device applicable to the production of electromagnetic valves according to claim 1, characterized in that: The following steps are involved: S1: First, the detection device is connected to an external power supply and assembled for trial operation. After normal operation, the solenoid valve to be tested is placed on the top of the fixed bracket (17), and then the slot rod (19) is aligned with the inside of the slot hole (18), and then the second electric telescopic rod (21) is retracted, and the arc-shaped pressing plate (20) is used to press down and fix the solenoid valve; S2: After the solenoid valve is fixed, the height of the connecting conduit (9) is adjusted by using the first electric telescopic rods (7) on both sides to adjust the height to be consistent with the height of the two ends of the solenoid valve, and the servo motors (3) on both sides are started, and the guide blocks (4) are driven by the servo motors (3) to move, so that the connecting conduit (9) is attached to the two ends of the solenoid valve, and is screwed and fixed by using the internal threaded tube (10); S3: After connecting the outer wall, start the micro pump (12) to pump water, then start the solenoid valve, and continuously connect electricity to clear and close it, so as to detect when the solenoid valve has problems, and then find out how long the solenoid valve is used for, and detect in real time whether the solenoid valve is leaking; S4: During the connection test of the solenoid valve, in order to simulate specific harsh conditions, the vibration motors (27) on both sides are started, thereby cooperating with the compression spring (15) at the bottom of the mounting plate (16), and the vibration motor (27) is used to drive the solenoid valve to vibrate, thereby simulating the service life of the solenoid valve under abnormal conditions; S5: After simulating the use conditions in a vibration environment, the electric heating wire (25) on the top is started to heat the air, and the air intake fan (26) is used to blow the hot air into the protective cover (22), so that the solenoid valve can simulate the service life in a high temperature environment. Combined with the test in a vibration environment, the service life of the solenoid valve in an extreme environment can be obtained.

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