Module airtightness test fixture

Abstract

The utility model relates to the technical field of air tightness test, and discloses a module air tightness test fixture, which comprises a base, a module detection seat is arranged on the base, a first mounting frame is arranged on the base, a detection seat top cover is mounted on the first mounting frame through a lifting driving mechanism, a pressure assembly is mounted on one side of the module detection seat, and the pressure assembly is mounted on the other side of the module detection seat. A mounting hole is formed in one side of the module detection seat, the pressure assembly is communicated with the interior of the module detection seat through the mounting hole, a second mounting frame is arranged on one side of the module detection seat, and a feeding and discharging mechanism is mounted on the second mounting frame through a horizontal moving mechanism; the feeding and discharging mechanism comprises a lifting driving device, a suction cup and a module placing frame, a plurality of modules can be placed through the suction cup and the module placing frame, the modules are taken through the suction cup, manual operation is reduced, the working efficiency is improved, and the problems that in the prior art, the efficiency of independently placing objects is low, and the working efficiency is low are solved. And moreover, the problem of inconvenience in taking is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of airtight testing, in particular to a module airtight testing fixture. Background Art

[0002] The air pressure test of the module system is an important step to ensure the safety and reliability of the modular pneumatic system or equipment in design and operation. Start the test with a lower pressure (such as 10 - 30% of the system working pressure), check for leaks, slowly increase the pressure to 50% of the system design pressure, check the system response and leakage situation, continue to gradually increase the pressure to 100% of the system design pressure, pause and check the system at each stage. After the system reaches the design pressure, maintain the pressure stable for a period of time (such as 30 minutes to several hours) to check the long-term pressure holding ability, conduct multiple pressure rise and fall cycles on the system to simulate actual operating conditions, check the performance of the system at different pressures, conduct leakage tests at each pressure stage to ensure that the allowable leakage rate is not exceeded, and check whether the functions of the system are normal during the air pressure test, such as valve opening and closing, communication between modules, etc.

[0003] In the prior art during detection, it is necessary to manually place the item to be detected into the detection device separately, but the efficiency of placing the item separately in this way is low, and it is also inconvenient to pick up. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and a module airtight testing fixture is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A module airtight testing fixture, including a base, a module detection seat is arranged on the base, a first mounting frame is arranged on the base, and a detection seat top cover is installed on the first mounting frame through a lifting drive mechanism;

[0007] A pressure assembly is installed on one side of the module detection seat, an installation hole is arranged on one side of the module detection seat, and the pressure assembly is communicated with the inside of the module detection seat through the installation hole;

[0008] A second mounting frame is arranged on one side of the module detection seat, and a loading and unloading mechanism is installed on the second mounting frame through a horizontal movement mechanism;

[0009] The loading and unloading mechanism includes a lifting drive device, a suction cup, and a module placement rack. The lifting drive device is arranged at the driving end of the horizontal movement mechanism, the suction cup is arranged at the driving end of the lifting drive device, and the module placement rack is arranged on one side of the module detection seat.

[0010] Preferably, both the module detection base and the detection base top cover are circular. A sealing gasket is provided at the lower end of the detection base top cover, and the sealing gasket is annular.

[0011] Preferably, the pressure component includes a mounting base, a mounting port, an air inlet hole, and an air outlet hole. The mounting base is provided on one side of the module detection base. The mounting port is provided on one side of the mounting base. The air inlet hole is provided on the other side of the mounting base, and the mounting port is in communication with the air inlet hole. The air outlet hole is provided on one side of the bottom end of the mounting base. A circulation fan is installed at the mounting port, a gas source device is installed at the air inlet hole, and the air outlet hole is in communication with the mounting hole.

[0012] Preferably, pressure gauges are installed on one side of both the gas source device and the air outlet hole. A temperature sensor is provided on one side of the mounting base, and a valve is installed at the air outlet hole.

[0013] Preferably, a condensation component is further provided on one side of the mounting base. The condensation component includes a condensation box and a water outlet pipe. The condensation box is provided on one side of the mounting base, and the water outlet pipe is provided on one side of the condensation box and is in communication with the inside of the condensation box.

[0014] Preferably, a pressure relief valve is further provided on one side of the module detection base.

[0015] Preferably, the lifting drive mechanism is a cylinder. The cylinder is provided at the top end of the first mounting frame, and the driving end of the cylinder penetrates through the first mounting frame and is fixedly connected to the top end of the detection base top cover.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] In the present utility model, by providing a suction cup, during use, a plurality of modules can be placed into the module placement rack. Through the horizontal movement mechanism, the lifting drive device is driven to move. When moving above each placement rack, the lifting drive device is started to drive the suction cup to move downward. The module in the module placement rack is sucked by the suction cup and placed into the module detection base. Then, the detection base top cover is driven to move downward by the lifting drive mechanism to seal the module detection base. Then, the pressure component is started to perform a pressure test on it. When the detection is completed and during blanking, it can also be taken out by the suction cup. Compared with the prior art, this device can place a plurality of modules through the provided suction cup and module placement rack, and is taken by the suction cup, reducing manual operation and increasing work efficiency, solving the problems of low efficiency in separately placing items and inconvenience in taking them in the prior art. Description of the Drawings

[0018] Figure 1 It is an overall schematic diagram of a module airtightness testing fixture proposed by the present utility model;

[0019] Figure 2 The bottom view of a module airtightness testing fixture proposed by the present utility model;

[0020] Figure 3 The schematic diagram of the mounting base of a module airtightness testing fixture proposed by the present utility model;

[0021] Figure 4 The schematic diagram of the rear of the mounting base of a module airtightness testing fixture proposed by the present utility model.

[0022] In the figure: 1, base; 2, module detection seat; 3, first mounting frame; 4, detection seat top cover; 5, mounting hole; 6, second mounting frame; 7, lifting drive device; 8, suction cup; 9, module placement rack; 10, sealing gasket; 11, mounting base; 12, mounting port; 13, air inlet hole; 14, air outlet hole; 15, circulation fan; 16, gas source device; 17, pressure gauge; 18, temperature sensor; 19, valve; 20, condensation box; 21, water outlet pipe; 22, pressure relief valve; 23, cylinder; 24, horizontal moving mechanism. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Referring to Figures 1 to 4 , a module airtightness testing fixture includes a base 1, a module detection seat 2 is arranged on the base 1, a first mounting frame 3 is arranged on the base 1, and a detection seat top cover 4 is installed on the first mounting frame 3 through a lifting drive mechanism;

[0025] A pressure assembly is installed on one side of the module detection seat 2, a mounting hole 5 is arranged on one side of the module detection seat 2, and the pressure assembly is communicated with the inside of the module detection seat 2 through the mounting hole 5;

[0026] A second mounting frame 6 is arranged on one side of the module detection seat 2, and a loading and unloading mechanism is installed on the second mounting frame 6 through a horizontal moving mechanism 24;

[0027] The loading and unloading mechanism includes a lifting drive device 7, a suction cup 8 and a module placement rack 9. The lifting drive device 7 is arranged at the driving end of the horizontal moving mechanism 24, the suction cup 8 is arranged at the driving end of the lifting drive device 7, and the module placement rack 9 is arranged on one side of the module detection seat 2.

[0028] When this device is in use, several modules can be placed into the module placement rack 9. The horizontal movement mechanism 24 drives the lifting drive device 7 to move. When it moves above each placement rack, the lifting drive device 7 is activated to drive the suction cup 8 to move downward. The module in the module placement rack 9 is sucked through the suction cup 8 and placed into the module detection seat 2. Then, the detection seat top cover 4 is driven to move downward by the lifting drive mechanism to seal the module detection seat 2. Then, the pressure component is activated to conduct a pressure test on it. When the detection is completed and discharging is carried out, it can also be taken out through the suction cup 8. Compared with the prior art, through the provided suction cup 8 and module placement rack 9, this device can place several modules, and the suction cup 8 is used for picking and placing, reducing manual operation and increasing work efficiency, solving the problems of low efficiency in separately placing items and inconvenience in picking and placing in the prior art.

[0029] Furthermore, both the module detection seat 2 and the detection seat top cover 4 are circular. A sealing gasket 10 is provided at the lower end of the detection seat top cover 4. The sealing gasket 10 is annular. The material of the above-mentioned sealing gasket 10 is silicone with a hardness of 30 degrees. Through the provided annular sealing gasket 10, the module detection seat 2 can be sealed, facilitating the pressure test.

[0030] Furthermore, the pressure component includes a mounting seat 11, a mounting port 12, an air inlet hole 13, and an air outlet hole 14. The mounting seat 11 is arranged on one side of the module detection seat 2. The mounting port 12 is arranged on one side of the mounting seat 11. The air inlet hole 13 is arranged on the other side of the mounting seat 11, and the mounting port 12 is communicated with the air inlet hole 13. The air outlet hole 14 is arranged on one side of the bottom end of the mounting seat 11. A circulation fan 15 is installed at the mounting port 12, and a gas source device 16 is installed at the air inlet hole 13. The air outlet hole 14 is communicated with the mounting hole 5. By installing the mounting seat 11 on one side of the module detection seat 2, when in use, first seal the module detection seat 2 with the detection seat top cover 4. In this way, air can be introduced through the air inlet hole 13, the gas source device 16 is activated to compress the gas, and then the compressed gas is transported into the module detection seat 2 through the circulation fan 15 to increase the pressure inside the module detection seat 2. When the pressure is greater than 700 Pa and the module is not damaged, the module is determined to be a good product. The protection pressure is set to 1.2 kPa. When the real-time pressure is greater than 1.2 kPa and less than 1.5 kPa, the pressure application is stopped to protect the module from damage. In this way, the detection of the module pressure is completed.

[0031] Furthermore, pressure gauges 17 are installed on one side of both the air source device 16 and the air outlet hole 14, a temperature sensor 18 is provided on one side of the mounting base 11, and a valve 19 is installed at the air outlet hole 14. By providing the pressure gauges 17, the pressure at the air inlet hole 13 and the air outlet hole 14 can be detected for real-time monitoring to prevent excessive pressure. By providing the temperature sensor 18, the temperature of the mounting base 11 can be detected for temperature detection during pressurization.

[0032] Furthermore, a condensation assembly is also provided on one side of the mounting base 11. The condensation assembly includes a condensation box 20 and a water outlet pipe 21. The condensation box 20 is arranged on one side of the mounting base 11, and the water outlet pipe 21 is arranged on one side of the condensation box 20 and is connected to the inside of the condensation box 20. By providing the condensation box 20, the gas conveyed by the circulation fan 15 can be condensed, and then the condensed water droplets are discharged through the water outlet pipe 21.

[0033] Furthermore, a pressure relief valve 22 is also provided on one side of the module detection seat 2. By providing the pressure relief valve 22, after the pressure test is completed, the pressure relief valve 22 is opened to relieve the pressure.

[0034] Furthermore, the lifting drive mechanism is a cylinder 23. The cylinder 23 is arranged at the top of the first mounting frame 3, and the drive end of the cylinder 23 penetrates through the first mounting frame 3 and is fixedly connected to the top of the detection seat top cover 4. By providing the cylinder 23, the detection seat top cover 4 can be driven to move, and during pressurization, the detection seat top cover 4 can be pressed against the top of the module detection seat 2 to increase the sealing performance of the module detection seat.

[0035] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A module airtightness test fixture, comprising a base (1), characterized in that: The base (1) is provided with a module detection seat (2), the base (1) is provided with a first mounting frame (3), and the first mounting frame (3) is provided with a detection seat top cover (4) via a lifting drive mechanism; A pressure component is installed on one side of the module detection seat (2), and a mounting hole (5) is provided on one side of the module detection seat (2), and the pressure component is connected to the inside of the module detection seat (2) through the mounting hole (5); A second mounting frame (6) is provided on one side of the module detection seat (2), and a loading and unloading mechanism is installed on the second mounting frame (6) via a horizontal moving mechanism (24); The loading and unloading mechanism comprises a lifting drive device (7), a suction cup (8) and a module placement frame (9); the lifting drive device (7) is arranged at the driving end of the horizontal moving mechanism (24); the suction cup (8) is arranged at the driving end of the lifting drive device (7); and the module placement frame (9) is arranged on one side of the module detection seat (2).

2. The module airtightness test fixture according to claim 1, characterized in that: The module detection seat (2) and the detection seat top cover (4) are both circular, and a sealing gasket (10) is provided at the lower end of the detection seat top cover (4), and the sealing gasket (10) is annular.

3. The module airtightness test fixture according to claim 1, characterized in that: The pressure assembly comprises a mounting seat (11), a mounting opening (12), an air inlet (13) and an air outlet (14); the mounting seat (11) is arranged on one side of the module detection seat (2); the mounting opening (12) is arranged on one side of the mounting seat (11); the air inlet (13) is arranged on the other side of the mounting seat (11); the mounting opening (12) is communicated with the air inlet (13); the air outlet (14) is arranged on one side of the bottom end of the mounting seat (11); a circulating fan (15) is installed at the mounting opening (12); an air source device (16) is installed at the air inlet (13); and the air outlet (14) is communicated with the mounting hole (5).

4. The module airtightness test fixture according to claim 3, characterized in that: A pressure gauge (17) is installed on one side of the air source device (16) and the air outlet (14), a temperature sensor (18) is provided on one side of the mounting seat (11), and a valve (19) is installed at the air outlet (14).

5. The module airtightness test fixture according to claim 3, characterized in that: A condensation assembly is also provided on one side of the mounting seat (11), and the condensation assembly comprises a condensation box (20) and a water outlet pipe (21); the condensation box (20) is provided on one side of the mounting seat (11); the water outlet pipe (21) is provided on one side of the condensation box (20) and is in communication with the interior of the condensation box (20).

6. The module airtightness test fixture according to claim 1, characterized in that: A pressure relief valve (22) is also provided on one side of the module detection seat (2).

7. The module airtightness test fixture according to claim 1, characterized in that: The lifting drive mechanism is a cylinder (23), and the cylinder (23) is arranged at the top end of the first mounting frame (3). The driving end of the cylinder (23) passes through the first mounting frame (3) and is fixedly connected to the top end of the detection seat cover (4).

Images