Sealing performance detection device

Abstract

The utility model relates to a leakproofness detection device, which is used for detecting the leakproofness of at least one liquid supplementing cavity, the liquid supplementing cavity is provided with a first air hole, a second air hole, a third air hole and a central rod, and the leakproofness detection device comprises a workbench; the detection unit comprises a supporting frame body, a driving assembly and a butt joint assembly, and the supporting frame body is in sliding connection with the workbench and can move on the workbench in the first direction; the driving assembly is installed on the supporting frame body, the butt joint assembly is installed at the movable output end of the driving assembly, and the butt joint assembly can be driven by the driving assembly to ascend and descend. According to the utility model, the tightness detection of the fluid infusion cavity can be realized in batches, a complicated circuit structure is not needed, the detection steps are simple, and the measurement standards are consistent, so that the consistency of detection results is high, the detection efficiency can be effectively improved, and the investment of labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of liquid supplementing cavity sealing detection, especially to a sealing detection device. BACKGROUND

[0002] A glove box is a kind of closed container, which is used for operating in a controlled atmosphere (such as inert gas or vacuum) environment to avoid the contact between samples or materials contained therein and the outside environment. The liquid supplementing cavity of the glove box is a component for supplementing or replacing the liquid (such as electrolyte) in the glove box. From the application point of view, the liquid supplementing cavity of the glove box is used for adding and replacing electrolyte, chemical reaction under inert atmosphere and the like. The sealing property of the liquid supplementing cavity determines the supplementing effect, and in order to ensure its normal operation, the sealing property needs to be detected. The sealing property detection of the existing liquid supplementing cavity usually needs to rely on manual operation. When detecting, one operator uses compressed air to press the inlet of the cavity, and another operator sprays DMC (dimethyl carbonate) on the connecting part of each component, and according to whether there is bubble, the sealing property of the cavity is judged.

[0003] The deficiency of the prior art is that the existing sealing detection method relies on manual operation, and due to the difference in operation of the operators, the consistency and accuracy of the measurement results cannot be guaranteed. Moreover, the entire detection process needs at least two operators to cooperate to complete, which is low in detection efficiency and needs to invest more manpower. UTILITY MODEL CONTENT

[0004] Therefore, the utility model wants to solve the technical problem in the prior art, provide a sealing detection device, which can complete the air tightness detection operation by only one person, can realize the sealing property detection of the liquid supplementing cavity in batches, does not need to set up complex circuit structure, the detection steps are simple, the measurement standard is consistent, the consistency of the detection results is high, the detection efficiency can be effectively improved, and the investment of manpower cost is reduced.

[0005] In order to solve the above technical problems, the utility model provides a sealing detection device for sealing property detection of at least one liquid supplementing cavity, the liquid supplementing cavity has a first air hole, a second air hole, a third air hole and a center rod, the first air hole and the second air hole are located at the same end of the liquid supplementing cavity along the height direction, the third air hole is located at the other end of the liquid supplementing cavity along the height direction, the center rod is movably connected with the third air hole, and the sealing detection device comprises,

[0006] A workbench;

[0007] The detection unit comprises a support frame body, a driving assembly and a docking assembly, the support frame body is in sliding connection with the workbench and can move along a first direction on the workbench; the driving assembly is installed on the support frame body, the docking assembly is installed on the movable output end of the driving assembly, and the docking assembly can be lifted and lowered under the driving of the driving assembly; the docking assembly comprises a first docking mechanism, a second docking mechanism and a third docking mechanism; when the docking assembly is driven to be in contact with the liquid supplement cavity, the first docking mechanism can be docked with the first gas hole to pass gas into the liquid supplement cavity through the first gas hole, the second docking mechanism is docked with the second gas hole to detect the internal pressure of the liquid supplement cavity, and the third docking mechanism is abutted with the central rod to drive the central rod to be in close contact with the third gas hole, so that the liquid supplement cavity is sealed.

[0008] In an embodiment of the utility model, the detection unit further comprises a gas storage assembly, and one end of the first docking mechanism is docked with the first gas hole, and the other end of the first docking mechanism is in communication with the gas storage assembly during work.

[0009] In an embodiment of the utility model, the first docking mechanism comprises a first pipe body, the first pipe body is provided with a first port and a second port, the first port is connected with the gas storage assembly, and the second port is docked with the first gas hole.

[0010] In an embodiment of the utility model, the detection unit further comprises a pressure detection device, the second docking mechanism comprises a second pipe body, the second pipe body is provided with a third port and a fourth port, the third port is connected with the pressure detection device, and the fourth port is docked with the second gas hole.

[0011] In an embodiment of the utility model, the third docking mechanism comprises a pressing rod, and the pressing rod is abutted with the central rod during work.

[0012] In an embodiment of the utility model, a pair of slide rails are arranged on the workbench along the first direction, a sliding block is arranged on each slide rail, and the support frame body is connected with the two sliding blocks respectively.

[0013] In an embodiment of the utility model, the support frame body comprises a support cross beam and support vertical columns connected to the two ends of the support cross beam; the driving assembly comprises a driving cylinder, the driving cylinder is assembled on the support cross beam, and the docking assembly is connected to the movable output end of the driving cylinder.

[0014] In an embodiment of the utility model, the support frame body is further provided with a guide column, the support crossbeam is provided with a mounting hole, the guide column is movably connected with the support crossbeam through the mounting hole, and the guide column is in clearance fit with the mounting hole.

[0015] In an embodiment of the utility model, the docking assembly further comprises a connecting frame, and the first docking mechanism, the second docking mechanism and the third docking mechanism are installed on the connecting frame.

[0016] In an embodiment of the utility model, the workbench is further provided with a limiting block, two limiting blocks are oppositely arranged and form a limiting groove, and at least one liquid supplementing cavity is accommodated in the limiting groove.

[0017] Compared with the prior art, the above technical scheme of the utility model has the following advantages.

[0018] The sealing detection device comprises a workbench and a detection unit, the detection unit comprises a support frame body, a driving assembly and a docking assembly, the support frame body is slidably connected with the workbench, the driving assembly is installed on the support frame body, and the docking assembly is installed on a movable end of the driving assembly to perform lifting movement under the driving of the driving assembly; the docking assembly comprises a first docking mechanism, a second docking mechanism and a third docking mechanism, wherein the first docking mechanism can be docked with a first air hole of the liquid supplementing cavity to inflate the liquid supplementing cavity through the first air hole, the second docking mechanism can be docked with a second air hole of the liquid supplementing cavity, can detect the gas pressure in the liquid supplementing cavity while sealing the second air hole, and the third docking mechanism presses down a center rod to seal the third air hole of the liquid supplementing cavity, so that the liquid supplementing cavity forms a sealed space, at this time, the gas in the liquid supplementing cavity is input through the first air hole, and the pressure in the liquid supplementing cavity is detected through the second docking mechanism. The sealing detection device of the utility model can complete the airtightness detection operation by one person when performing sealing detection, can batch realize sealing detection of the liquid supplementing cavity, does not need to set a complex circuit structure, the device has a simple structure, simple operation steps, and consistent measurement standards, so that the consistency of detection results is high, the detection efficiency is effectively improved, and the labor cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to make the content of the utility model more easily understood, the utility model will be further described in detail in the embodiment of the utility model and combined with the drawings, and the utility model comprises the following.

[0020] Figure 1It is the whole structure schematic diagram of the sealing detection device of the preferred embodiment of the utility model.

[0021] Figure 2 It is the whole structure schematic diagram of the sealing detection device of the preferred embodiment of the utility model when cooperating with the liquid supplement cavity to carry out sealing detection.

[0022] Figure 3 It is Figure 2 The cross section structure schematic diagram of the front view.

[0023] The description of the drawing of the utility model is as follows: 1, liquid supplement cavity;11, first air hole;12, second air hole;13, third air hole;14, center rod;2, workbench;20, slide rail;21, sliding block;30, support frame body;301, support cross beam;302, support stand column;303, guide column;31, drive assembly;32, docking assembly;321, first pipe body;322, second pipe body;323, pressing rod. Specific embodiments

[0024] The utility model will be further explained in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0025] Refer to Figures 1 to 3 The utility model discloses a kind of sealing detection devices, for at least one liquid supplement cavity 1 is carried out sealing detection.

[0026] The liquid supplement cavity has first air hole 11, second air hole 12, third air hole 13 and center rod 14, first air hole 11 and second air hole 12 are located in the same end of the liquid supplement cavity 1 along height direction, third air hole 13 is located in the other end of the liquid supplement cavity 1 along height direction, center rod 14 is movably connected with third air hole 13, center rod 14 can be sealed to third air hole 13 when being driven to move downward.

[0027] Specifically, the center rod 14 is arranged along the height direction of the liquid supplement cavity 1, and one end of the center rod 14 is movably connected to the upper end of the liquid supplement cavity 1 (the same end as the positions of the first air hole 11 and the second air hole 12), and the other end is movably connected to the lower end of the liquid supplement cavity 1.

[0028] The sealing detection device includes workbench 2;

[0029] The sealing detection device further includes a detection unit, which includes a support frame body 30, a drive assembly 31 and a docking assembly 32, the support frame body 30 is slidably connected with the workbench 2, and can move along the first direction on the workbench 2.

[0030] The driving assembly 31 is installed on the support frame body 30, the docking assembly 32 is installed on the movable output end of the driving assembly 31, and the docking assembly 32 can be lifted under the driving of the driving assembly 31.

[0031] In detail, the docking assembly 32 comprises a first docking mechanism, a second docking mechanism and a third docking mechanism, when the docking assembly 32 is driven to contact the liquid supplement cavity 1, the first docking mechanism can be docked with the first gas hole 11 to pass gas into the liquid supplement cavity 1 through the first gas hole 11, the second docking mechanism is docked with the second gas hole 12 to seal the second gas hole 12 and detect the pressure inside the liquid supplement cavity 1, and the third docking mechanism is abutted with the center rod 14 to continue to move downward to drive the center rod 14 to seal the third gas hole 13, so that the liquid supplement cavity 1 is sealed, and thus the gas pressure inside the liquid supplement cavity 1 is detected by the second docking mechanism under the sealed state of the liquid supplement cavity 1.

[0032] Therefore, the sealing detection device of the utility model can realize the sealing detection of the liquid supplement cavity, and the sealing detection device comprises a workbench and a detection unit, the detection unit comprises a support frame body, a driving assembly and a docking assembly, the support frame body is slidably connected with the workbench, the driving assembly is installed on the support frame body, the docking assembly is installed on the movable end of the driving assembly to be lifted under the driving of the driving assembly, the docking assembly comprises a first docking mechanism, a second docking mechanism and a third docking mechanism, the first docking mechanism can be docked with the first gas hole of the liquid supplement cavity to inflate the liquid supplement cavity through the first gas hole, the second docking mechanism can be docked with the second gas hole of the liquid supplement cavity to seal the second gas hole and detect the gas pressure in the liquid supplement cavity, and the third docking mechanism presses the center rod to seal the third gas hole of the liquid supplement cavity by the center rod, so that the liquid supplement cavity forms a sealed space, the gas is input into the liquid supplement cavity through the first gas hole, and the pressure in the liquid supplement cavity is detected by the second docking mechanism. The sealing detection device of the utility model can complete the air tightness detection operation by one person, can realize the sealing detection of the liquid supplement cavity in batches, does not need to set a complex circuit structure, the structure of the device is simple, the operation steps are simple, the measurement standard is consistent, the consistency of the detection result is high, the detection efficiency is effectively improved, and the labor cost is reduced.

[0033] Further, the detection unit further comprises a gas storage assembly, in operation, one end of the first connecting mechanism is connected with the first gas hole 11, and the other end of the first connecting mechanism is connected with the gas storage assembly. As a preferred embodiment, the gas storage assembly includes but is not limited to a gas cylinder, which is used to provide gas to fill the liquid supplement cavity.

[0034] Further, the first connecting mechanism comprises a first pipe body 321, which has a first port and a second port, the first port is connected with the gas storage assembly, and the second port is connected with the first gas hole 11.

[0035] The detection unit further comprises a pressure detection device, and the second connecting mechanism comprises a second pipe body 322, which has a third port and a fourth port, the third port is connected with the pressure detection device, and the fourth port is connected with the second gas hole 12.

[0036] Specifically, the pressure detection device includes but is not limited to a pressure gauge.

[0037] As a preferred embodiment, the third connecting mechanism comprises a pressing rod 323, in operation, the pressing rod 323 moves to abut against the center rod 14.

[0038] In detail, the workbench 2 is provided with a pair of slide rails 20 along a first direction, each of the slide rails 20 is provided with a sliding block 21, and the support frame body 30 is connected with the two sliding blocks 21 respectively. In this way, the support frame body 30 can slide along the slide rails 20, so that the plurality of liquid supplement cavities 1 can be sequentially subjected to the sealing test.

[0039] As a preferred embodiment, the support frame body 30 comprises a support beam 301 and support columns 302 connected to both ends of the support beam 301.

[0040] The driving assembly 31 includes but is not limited to a driving cylinder, which is assembled on the support beam 301 and arranged along the height direction. The connecting assembly 32 is connected to the movable output end of the driving cylinder, so that the connecting assembly 32 can be lifted and lowered under the driving of the driving cylinder.

[0041] As a preferred embodiment, in order to ensure the stability of the connecting assembly 32 during lifting and lowering, the support frame body 30 is further provided with a guide column 303, the support beam 301 is provided with a mounting hole, the guide column 303 is movably connected with the support beam 301 through the mounting hole, and the guide column 303 is in clearance fit with the mounting hole, and the bottom of the guide column 303 is connected with the connecting assembly 32.

[0042] In detail, the docking assembly 32 further comprises a connecting frame 324, and the first docking mechanism, the second docking mechanism and the third docking mechanism are mounted on the connecting frame 324.

[0043] As a preferred embodiment, the workbench 2 is further provided with limiting blocks 22, the limiting blocks 22 are provided with two, the two limiting blocks 22 are oppositely arranged and form a limiting groove, and at least one liquid supplement cavity 1 is accommodated in the limiting groove.

[0044] In addition, it should be noted that when the number of the liquid supplement cavities 1 is multiple, the multiple liquid supplement cavities 1 are sequentially arranged along the first direction, and the multiple liquid supplement cavities 1 are clamped in the limiting groove through the connecting plate, so that the stability of the overall structure can be ensured on the one hand, and the accuracy of the sealing detection result can be improved on the other hand.

[0045] The sealing detection device of the utility model, through detecting the sealing of the liquid supplement cavity, ensures that the liquid supplement cavity has good sealing performance. No liquid drop phenomenon of the liquid supplement cavity has occurred for one month in succession, so that the liquid supplement effect is good; the equipment downtime maintenance time is reduced, and further, the occurrence of battery welding fire caused by liquid drop is reduced.

[0046] In the description of the utility model, it is to be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0047] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0048] Obviously, the above embodiments are only examples for clearly illustrating the present application, and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A sealing test device for performing a sealing test on at least one liquid supplementing chamber, characterized in that: The supplement liquid cavity has a first air hole, a second air hole, a third air hole and a center rod, the first air hole and the second air hole are located at the same end of the supplement liquid cavity along the height direction, the third air hole is located at the other end of the supplement liquid cavity along the height direction, the center rod is movably connected with the third air hole, and the sealing detection device comprises, A workbench; A detection unit comprises a support frame, a driving assembly and a docking assembly, the support frame is slidably connected with the workbench and can move along a first direction on the workbench, the driving assembly is installed on the support frame, the docking assembly is installed on the movable output end of the driving assembly, and the docking assembly can be lifted and lowered under the drive of the driving assembly; the docking assembly comprises a first docking mechanism, a second docking mechanism and a third docking mechanism, when the docking assembly is driven to contact the supplement liquid cavity, the first docking mechanism can be docked with the first air hole to pass gas into the supplement liquid cavity through the first air hole, the second docking mechanism is docked with the second air hole to detect the internal pressure of the supplement liquid cavity, and the third docking mechanism abuts against the center rod to drive the center rod to closely contact the third air hole, so that the supplement liquid cavity is sealed.

2. The leak detection apparatus of claim 1, wherein: The detection unit further comprises a gas storage assembly, and one end of the first docking mechanism is docked with the first air hole, and the other end of the first docking mechanism is in communication with the gas storage assembly.

3. The leak detection apparatus of claim 2, wherein: The first docking mechanism comprises a first pipe body, the first pipe body has a first port and a second port, the first port is connected with the gas storage assembly, and the second port is docked with the first air hole.

4. The leak detection apparatus of claim 1, wherein: The detection unit further comprises a pressure detection device, the second docking mechanism comprises a second pipe body, the second pipe body has a third port and a fourth port, the third port is connected with the pressure detection device, and the fourth port is docked with the second air hole.

5. The leak detection apparatus of claim 1, wherein: The third docking mechanism comprises a pressing rod, and the pressing rod moves to abut against the center rod in work.

6. The leak detection apparatus of claim 1, wherein: A pair of slide rails are arranged on the workbench along the first direction, and a sliding block is arranged on each slide rail, and the support frame is connected with the two sliding blocks respectively.

7. The leak detection apparatus of claim 1, wherein: The support frame comprises a support beam and support columns connected to both ends of the support beam, the driving assembly comprises a driving cylinder, the driving cylinder is assembled on the support beam, and the docking assembly is connected to the movable output end of the driving cylinder.

8. The leak detection apparatus of claim 7, wherein: The support frame is further provided with a guide column, the support beam is provided with a mounting hole, the guide column is movably connected with the support beam through the mounting hole, the guide column is in clearance fit with the mounting hole, and the bottom of the guide column is connected with the docking assembly.

9. The leak detection apparatus of claim 1, wherein: The docking assembly further comprises a connecting frame, and the first docking mechanism, the second docking mechanism and the third docking mechanism are installed on the connecting frame.

10. The leak detection apparatus of any one of claims 1-9, wherein: The workbench is further provided with a limiting block, two limiting blocks are oppositely arranged and form a limiting groove, and at least one supplement liquid cavity is accommodated in the limiting groove.

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