Air tightness detection equipment

Abstract

The utility model discloses and provides air tightness detection equipment, which comprises a rack, the middle part of the rack is fixedly connected with a detection platform, the top end of the rack is provided with a first lifting mechanism, the bottom of the first lifting mechanism is in transmission connection with a compression assembly, the bottom of the rack is provided with a second lifting mechanism, and the second lifting mechanism is in transmission connection with the compression assembly. The second lifting mechanism is in transmission connection with a water tank, the detection platform can be embedded into the water tank, an air nozzle is arranged in the middle of the detection platform and connected with inflation equipment through a pipeline, and a detection sensor is embedded in the surface of the rack and connected with the pipeline connected with the air nozzle. The side face of the rack is fixedly connected with a control electric box. According to the utility model, through the structure that the air nozzle is inflated and the water tank is immersed in the detection platform, the element can be subjected to independent air detection or water detection air tightness detection, the detection means is more complete, and the detection result is more accurate.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of air tightness detection, in particular to an air tightness detection device. BACKGROUND

[0002] The air tightness detection of product elements has two ways of air detection and water detection respectively. The air detection is to fill air in the element to a specified pressure, maintain the air pressure for a period of time, and if the air pressure does not decrease to a specified value, the air tightness detection is passed. The water detection is to put the element into water and observe whether there is air bubble, so as to complete the air tightness detection.

[0003] The current air tightness detection device can only perform air detection or water detection alone, and cannot be performed simultaneously, and the detection effect is not accurate enough. CONTENT OF THE UTILITY MODEL

[0004] The present disclosure provides an air tightness detection device to solve the technical problems recognized by the inventors.

[0005] The present disclosure provides an air tightness detection device, which comprises a rack, a detection platform fixedly connected to the middle part of the rack, a first lifting mechanism arranged at the top end of the rack, a compression assembly drivingly connected to the bottom of the first lifting mechanism, a second lifting mechanism arranged at the bottom of the rack, a water tank drivingly connected to the second lifting mechanism, the detection platform being arranged in the water tank, a gas nozzle arranged in the middle part of the detection platform, an inflation device connected to the gas nozzle through a pipeline, a detection sensor embedded on the surface of the rack, the detection sensor being connected to the pipeline connected to the gas nozzle, and a control electric box fixedly connected to the side surface of the rack.

[0006] Preferably, the first lifting mechanism comprises a fixed plate fixedly connected to the top end of the rack, a first lifting cylinder fixedly connected to the surface of the fixed plate, an output end of the first lifting cylinder being fixedly connected to a lifting plate, a plurality of compression assemblies being fixedly connected to one side of the lifting plate close to the detection platform, a connecting shaft being fixedly connected to the periphery of the fixed plate, and the bottom of the connecting shaft being fixedly connected to the detection platform.

[0007] Preferably, the compression assembly comprises a fixed block, a connecting column and a pressing column, the fixed block being fixedly connected to the bottom of the lifting plate, the connecting column being fixedly connected to the bottom of the fixed block, the connecting column being provided with an installation groove inside, one end of the pressing column being movably connected to the installation groove, a buffer spring being sleeved on one end of the pressing column close to the connecting column, and both ends of the buffer spring being abuttingly arranged with the connecting column and the pressing column.

[0008] Preferably, the second lifting mechanism comprises two second lifting cylinders fixedly connected to the two sides of the bottom of the frame respectively, and the output shafts of the two second lifting cylinders are connected with a bracket together, and the water tank is fixedly connected in the bracket.

[0009] Preferably, a drain port is arranged on the bottom of the water tank, and a valve is arranged on the drain port.

[0010] Preferably, side sealing mechanisms are arranged on the two sides of the surface of the detection platform respectively, and each side sealing mechanism comprises a cylinder fixing frame, a side sealing cylinder is fixedly connected to the surface of the cylinder fixing frame, a side sealing plate is fixedly connected to the output shaft of the side sealing cylinder, and a first sealing gasket is fixedly connected to the surface of the side sealing plate.

[0011] Preferably, a backing plate is fixedly connected to the surface of the detection platform, and a second sealing gasket is fixedly connected to the surface of the backing plate.

[0012] Preferably, a pressure gauge and an abnormality alarm are embedded on the surface of the frame, and the pressure gauge and the abnormality alarm are electrically connected with the detection sensor.

[0013] Preferably, a starting button is arranged on one side of the frame, and the starting button is a double starting button.

[0014] Preferably, at least one tray is fixedly connected to the side of the frame.

[0015] The beneficial effects of the present disclosure mainly lie in that the structure of the air nozzle inflation and the water tank immersion detection platform can perform single air detection or water detection airtightness detection on the element, or can perform the detection simultaneously, the detection means is more complete, and the detection result is more accurate.

[0016] It should be understood that both the foregoing general description and the following detailed description are intended for purposes of illustration and description, and are not intended to be limiting of the disclosure. The accompanying drawings are referred to, which illustrate the subject matter of the present disclosure. Furthermore, the description and drawings are to be construed as illustrative only and not restrictive of the disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the specific embodiments of the present disclosure or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present disclosure, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 It is a three-dimensional structure schematic view of the airtightness detection equipment of the embodiment of the present disclosure.

[0019] Figure 2 Internal structure diagram of the air tightness detection equipment according to an embodiment of the present disclosure Figure One ;

[0020] Figure 3 Internal structure diagram of the air tightness detection equipment according to an embodiment of the present disclosure Figure Two ;

[0021] Figure 4 Structure sectional view of the pressing assembly according to an embodiment of the present disclosure

[0022] Figure legend: 1 - frame; 2 - detection platform; 21 - base plate; 22 - second sealing gasket; 3 - first lifting mechanism; 31 - fixed plate; 32 - first lifting cylinder; 33 - lifting plate; 34 - connecting shaft; 4 - pressing assembly; 41 - fixed block; 42 - connecting column; 421 - mounting groove; 43 - pressing column; 44 - buffer spring; 5 - second lifting mechanism; 51 - second lifting cylinder; 52 - bracket; 6 - water tank; 61 - drain; 7 - control electric box; 71 - start button; 8 - air nozzle; 81 - detection sensor; 82 - air pressure gauge; 83 - abnormality alarm; 9 - side sealing mechanism; 91 - cylinder fixing frame; 92 - side sealing cylinder; 93 - side sealing plate; 94 - first sealing gasket; 10 - tray. DETAILED DESCRIPTION

[0023] The technical solutions of the present disclosure will be described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all the embodiments.

[0024] Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present disclosure.

[0025] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present disclosure, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0027] Embodiment

[0028] As Figures 1-4 shown, the present embodiment provides a kind of air tightness detection equipment, including rack 1, the middle part of the rack 1 is fixedly connected with detection platform 2, the detection platform 2 is used to place the workpiece needing detection, the top of the rack 1 is provided with first lifting mechanism 3, the bottom of the first lifting mechanism 3 is drivingly connected with compression assembly 4, workpiece is compressed by first lifting mechanism 3 driving compression assembly 4 to move downwards, the bottom of the rack 1 is provided with second lifting mechanism 5, the second lifting mechanism 5 is drivingly connected with water tank 6, the water tank 6 is filled with water, by second lifting mechanism 5 driving water tank 6 rises, detection platform 2 and workpiece are completely immersed in water tank 6, so as to detect the air tightness of workpiece by water, the middle part of the detection platform 2 is embedded with air cock 8, the air cock 8 is connected with inflation equipment by pipeline, the pipeline connected with the air cock 8 can be wired from the bottom of detection platform 2, will not affect workpiece placement, and extend from the surface of detection platform 2 to the outside to connect inflation equipment, after workpiece is compressed, inflation is carried out by inflation equipment to carry out air test, the surface of the rack 1 is embedded with detection sensor 81, the detection sensor 81 is air pressure detection sensor 81, the detection sensor 81 is connected with the pipeline connected with the air cock 8, the air pressure of air cock 8 is detected by detection sensor 81, so as to detect the air pressure inside workpiece, when air test, first fill gas into workpiece by air cock 8, wait for air pressure to reach specified value, stop inflation, keep air pressure, wait for a period of time, if air pressure drops does not exceed limit value, it indicates that it meets the standard. The side of the rack 1 is fixedly connected with control electric box 7, parameters can be adjusted by control electric box 7, and work is controlled.

[0029] Specifically, the first lifting mechanism 3 includes fixed plate 31 fixedly connected to the top of the rack 1, the middle part of the surface of the fixed plate 31 is fixedly connected with first lifting cylinder 32 by bolt, the output end of the first lifting cylinder 32 is fixedly connected with lifting plate 33 by bolt, the side of the lifting plate 33 close to the detection platform 2 is fixedly connected with a plurality of compression assemblies 4, the lifting plate 33 is driven to lift by the first lifting cylinder 32, so as to drive compression assembly 4 to lift to compress or loosen workpiece.

[0030] In this embodiment, the four sides of the fixed plate 31 are bolted and connected with connecting shafts 34, the bottom of the connecting shafts 34 is bolted and connected with the detection platform 2, the detection platform 2 is connected through the connecting shafts 34, so that the detection platform 2 is suspended, and the water tank 6 is convenient to immerse the detection platform 2.

[0031] Specifically, the pressing assembly 4 comprises a fixed block 41, a connecting column 42 and a pressing column 43, the fixed block 41 is bolted and connected to the bottom of the lifting plate 33, the connecting column 42 is bolted and connected to the bottom of the fixed block 41, the connecting column 42 is internally provided with a mounting groove 421, one end of the pressing column 43 is movably connected in the mounting groove 421, but cannot be separated from the mounting groove 421, the end of the pressing column 43 close to the connecting column 42 is sleeved with a buffer spring 44, and the two ends of the buffer spring 44 are abutted with the connecting column 42 and the pressing column 43 respectively. When the pressing column 43 moves downward to press the workpiece, the pressing column 43 moves in the mounting groove 421 under the pressure, compresses the buffer spring 44, and the buffer spring 44 plays a buffering role in movement, avoiding crushing the workpiece.

[0032] Specifically, the second lifting mechanism 5 comprises two second lifting cylinders 51 which are bolted and connected to the bottom of the rack 1 on both sides, and a bracket 52 which is commonly connected to the output shafts of the two second lifting cylinders 51, and the water tank 6 is fixedly connected in the bracket 52. The bracket 52 is driven to lift by the two second lifting cylinders 51 at the same time, so as to drive the water tank 6 to lift, the water in the water tank 6 will immerse the detection platform 2 and the workpiece, so as to judge the air tightness of the workpiece according to the air bubble generation in the water.

[0033] Further, the bottom of the water tank 6 is provided with a drain port 61, and the drain port 61 is provided with a valve. After detection is completed, the valve of the drain port 61 is opened to drain water, empty the water tank 6, and facilitate cleaning and moving.

[0034] Specifically, the surface of the detection platform 2 is provided with a side sealing mechanism 9 on both sides, the side sealing mechanism 9 comprises a cylinder fixing frame 91, the surface of the cylinder fixing frame 91 is fixedly connected with a side sealing cylinder 92, the output shaft of the side sealing cylinder 92 is fixedly connected with a side sealing plate 93, and the surface of the side sealing plate 93 is fixedly connected with a first sealing gasket 94. Some workpieces have openings on the side surface in addition to the bottom, and the side sealing plate 93 needs to be driven by the side sealing cylinder 92 to block the opening on the side surface of the workpiece, so that the air tightness can be detected, and the sealing effect is improved through the first sealing gasket 94 to avoid air leakage.

[0035] Further, the surface of the detection platform 2 is fixedly connected with a backing plate 21, and the surface of the backing plate 21 is fixedly attached with a second sealing gasket 22. By placing the workpiece on the backing plate 21, the second sealing gasket 22 is tightly attached to the opening of the workpiece, thereby avoiding air leakage.

[0036] Further, the surface of the rack 1 is embedded with an air pressure gauge 82 and an abnormality alarm 83, and the air pressure gauge 82 and the abnormality alarm 83 are electrically connected with the detection sensor 81. The air pressure data detected by the detection sensor 81 is displayed by the air pressure gauge 82, and when the air pressure drops below the limit value, the abnormality alarm 83 alarms. In the embodiment, the abnormality alarm 83 is an audible and visual alarm.

[0037] Further, one side of the rack 1 has a start button 71, and the start button 71 is a double start button 71. The start button 71 has two, which are respectively arranged at both ends of one side of the rack 1, and the start button 71 on both sides needs to be pressed at the same time to work, so as to ensure that the staff's hands are away from the detection platform 2, thereby improving the safety.

[0038] Further, at least one tray 10 is fixedly connected to the side of the rack 1. The tray 10 can be used to place tools.

[0039] Working principle of the utility model:

[0040] During water detection, parameters are set by controlling the electric box 7, then the workpiece is placed in the middle of the detection platform 2, the hands press the start button 71, the first lifting cylinder 32 drives the lifting plate 33 to descend, drives the pressing assembly 4 to press the workpiece, then the side sealing mechanism 9 seals the opening on the side of the workpiece, then the second lifting cylinder 51 drives the water tank 6 to ascend, immerses the detection platform 2 and the workpiece, and whether the air tightness of the workpiece is good is judged by observing the water bubble in the water tank 6.

[0041] During air detection, parameters are set by controlling the electric box 7, then the workpiece is placed in the middle of the detection platform 2, the hands press the start button 71, the first lifting cylinder 32 drives the lifting plate 33 to descend, drives the pressing assembly 4 to press the workpiece, then the side sealing mechanism 9 seals the opening on the side of the workpiece, the workpiece is inflated through the air nozzle 8, waits for the air pressure to reach the specified value, stops inflation, maintains the air pressure, and waits for a period of time. If the air pressure does not decrease by more than the limit value, it indicates that it meets the standard, and if the air pressure decreases by more than the limit value, the abnormality alarm 83 alarms.

[0042] When water detection and air detection are carried out at the same time, they can be carried out at the same time.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, and are not intended to limit the present disclosure; although the present disclosure has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. An air tightness detecting apparatus characterized by comprising: The utility model relates to a kind of detection platform, including: rack, the middle part of the rack is fixedly connected with detection platform, the top of the rack is provided with first lifting mechanism, the bottom of the first lifting mechanism is drivingly connected with compression assembly, the bottom of the rack is provided with second lifting mechanism, the second lifting mechanism is drivingly connected with water tank, the detection platform can be embedded in the water tank, the middle part of the detection platform is provided with air cock, the air cock is connected with inflator equipment by pipeline, detection sensor is embedded in the surface of the rack, the detection sensor is connected with the pipeline connected with the air cock, the side of the rack is fixedly connected with control electric box. The first lifting mechanism includes a fixed plate fixedly connected to the top of the rack, a first lifting cylinder fixedly connected to the surface of the fixed plate, an output end of the first lifting cylinder, a lifting plate fixedly connected to the output end of the first lifting cylinder, a plurality of compression assemblies fixedly connected to one side of the lifting plate close to the detection platform, a connecting shaft fixedly connected to the periphery of the fixed plate, and the detection platform fixedly connected to the bottom of the connecting shaft.

2. The air tightness testing apparatus of claim 1, wherein The compression assembly includes a fixed block, a connecting column and a compression column, the fixed block is fixedly connected to the bottom of the lifting plate, the connecting column is fixedly connected to the bottom of the fixed block, the connecting column is provided with a mounting groove inside, one end of the compression column is movably connected in the mounting groove, the compression column is sleeved with a buffer spring close to one end of the connecting column, and the buffer spring is arranged at both ends of the connecting column and the compression column.

3. The leak detection apparatus of claim 2, wherein, The second lifting mechanism includes two second lifting cylinders fixedly connected to the bottom of the rack on both sides, an output shaft of the two second lifting cylinders is connected with a bracket, and the water tank is fixedly connected in the bracket.

4. The air tightness testing apparatus of claim 1, wherein The bottom of the water tank is provided with a drain port, and the drain port is provided with a valve.

5. The leak detection apparatus of claim 1, wherein The surface of the detection platform is provided with a side sealing mechanism on both sides, the side sealing mechanism includes a cylinder fixing frame, a side sealing cylinder fixedly connected to the surface of the cylinder fixing frame, an output shaft of the side sealing cylinder, a side sealing plate fixedly connected to the output shaft of the side sealing cylinder, and a first sealing gasket fixedly connected to the surface of the side sealing plate.

6. The leak detection apparatus of claim 1, wherein The surface of the detection platform is fixedly connected with a backing plate, and the surface of the backing plate is fixedly connected with a second sealing gasket.

7. The leak detection apparatus of claim 1, wherein The surface of the rack is embedded with a pressure gauge and an abnormality alarm, and the pressure gauge and the abnormality alarm are electrically connected with the detection sensor.

8. The leak detection apparatus of claim 1, wherein, One side of the rack has a start button, and the start button is a double start button.

9. The leak detection apparatus of claim 1, wherein, The side of the rack is fixedly connected with at least one tray.

10. The leak detection apparatus of claim 1, wherein, ​

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