Helium leak detection equipment for battery cover plate

Abstract

The utility model discloses a battery cover plate helium leak detection device, which comprises a plurality of connecting blocks, a lifting assembly arranged at the tops of the connecting blocks, a helium spraying assembly arranged on the lifting assembly and a placement assembly arranged between two front and back adjacent connecting blocks, and the two adjacent connecting blocks are fixedly connected. According to the battery cover plate detection device, the two placement assemblies are used in turn, after detection of the battery cover plate on one placement assembly is completed, the battery cover plate is moved to one side of the support, and then the battery cover plate on the other placement assembly is moved to the other side of the support; meanwhile, the battery cover plate pre-placed on the other placing assembly is moved to the position under the helium spraying assembly to be detected, then an operator takes down the detected battery cover plate and places the battery cover plate needing to be detected on the placing assembly to wait for detection, and therefore the detection work and the feeding and discharging work are conducted at the same time, and the detection efficiency is improved. Shutdown waiting is not needed, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of leak detection, in particular to a battery cover plate helium leak detection device. BACKGROUND

[0002] With the rapid development of the new energy automobile industry, the battery as a core component has become the focus of the research and development department. The battery is composed of electrolyte and cover plate and other components. If the sealing performance of the battery is poor, the electrolyte will leak out, which will not only pollute the environment but also shorten the service life of the battery. Therefore, leak detection of the battery is very important.

[0003] According to the disclosure (announcement) No. CN214149714U, a cylindrical battery cover plate leak detection tool is disclosed, which comprises a base and a plurality of fixing seats fixed on the base. The top of the fixing seat is provided with a groove for placing the cylindrical battery cover plate. A vacuum cavity is arranged in the base, one end of the vacuum cavity is communicated with the groove, and the like. The utility model has the advantages of simple structure, high working efficiency, wide application range, low cost, and high detection precision. However, the application needs to remove a plurality of battery covers after the detection operation is completed, and then install the battery covers that need to be detected next, so as to continue the detection, which leads to a long downtime of the device and affects the detection efficiency.

[0004] In order to solve the above problems, the application provides a battery cover plate helium leak detection device. Utility model content

[0005] One purpose of the application is to provide a battery cover plate helium leak detection device, which comprises a plurality of connecting blocks, a lifting assembly arranged on the top of the connecting blocks, a helium spraying assembly arranged on the lifting assembly, and a placing assembly arranged between the front and rear adjacent two connecting blocks. The adjacent two connecting blocks are fixedly connected, and the opposite ends of the two non-adjacent connecting blocks are fixedly connected with a fixed plate. The bottom end surface of the fixed plate is fixedly connected with a support rod in a symmetrical manner. A fixed block is slidingly connected between the front and rear adjacent two connecting blocks. A rectangular hole is formed in the fixed block. The bottom end surface of the fixed block is fixedly connected with a rack plate. The bottom end surface of the connecting block is fixedly connected with a fixed frame. Two from gears are rotatably connected to the inner side of the fixed frame in a symmetrical manner. A worm wheel is rotatably connected to the inner side of the fixed frame. A support plate is fixedly connected to the bottom end surface of the connecting block. A worm is rotatably connected between the two support plates. One of the support plates is fixedly connected with a motor for driving the worm to rotate.

[0006] Further, the worm and the worm wheel are meshingly connected in transmission. The two from gears are meshingly connected in transmission with the worm wheel.

[0007] Furthermore, a rotating shaft is symmetrically rotatably connected to the fixed frame, and the driven gear is fixedly connected to the outer side of the upper end of the rotating shaft.

[0008] Furthermore, a rotating rod is rotatably connected to the fixed frame, and the worm gear is fixedly connected to the outer upper end of the rotating rod.

[0009] Furthermore, the connecting block is provided with a sliding groove, and a matching slider is slidably connected inside the sliding groove, and the slider is fixedly connected to the fixing block.

[0010] Furthermore, the lifting assembly includes a bracket fixedly connected to the top of the connecting block, an electric push rod fixedly connected to the top of the bracket, the output end of the electric push rod passing through the top of the bracket and fixedly connected to the helium injection assembly, and a controller fixedly connected to the back side of the bracket.

[0011] Furthermore, a vacuum generator is fixedly connected to the inner wall of the rectangular hole, a three-way pipe is connected to the vacuum generator, multiple connecting pipes are connected between the placement component and the three-way pipe, and solenoid valves are symmetrically installed on the outer side of the three-way pipe.

[0012] The beneficial effects of this application are:

[0013] This application utilizes two placement components used alternately. After the battery cover plate on one placement component is inspected, it is moved to one side of the support. At the same time, the battery cover plate pre-placed on the other placement component is moved to the underside of the helium injection component for inspection. Then, the operator removes the inspected battery cover plate and places the next battery cover plate to be inspected on the placement component, waiting for inspection. This allows the inspection and loading / unloading operations to be carried out simultaneously without stopping the machine, thus improving inspection efficiency. Attached Figure Description

[0014] The accompanying drawings are provided to further understand this application and form part of the specification. They are used together with the embodiments of this application to explain this application and do not constitute a limitation thereof.

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the overall structure of this application;

[0017] Figure 2 For the purposes of this application Figure 1 Another perspective structural diagram;

[0018] Figure 3 This is a schematic diagram of the vacuum assembly structure of this application;

[0019] Figure 4 This is a partial structural diagram of this application.

[0020] Explanation of reference numerals in the drawings:

[0021] 1, connecting block; 2, sliding groove; 3, lifting assembly; 31, electric push rod; 32, support; 4, placing assembly; 5, fixed block; 6, rack plate; 7, sliding block; 8, fixed plate; 9, helium spraying assembly; 10, fixing frame; 11, rotating rod; 12, rotating shaft; 13, worm gear; 14, support plate; 15, worm; 16, motor; 17, connecting pipe; 18, vacuum generator; 19, tee pipe; 20, electromagnetic valve; 21, pinion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements 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 application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between the two elements inside. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiments:

[0026] Please refer to Figure 1 , Figure 2 and Figure 4The embodiment of the application discloses a battery cover plate helium leak detection equipment, which comprises a plurality of connecting blocks 1, a lifting assembly 3 arranged on the top of the connecting blocks 1, a helium spraying assembly 9 arranged on the lifting assembly 3 and a placing assembly 4 mounted between adjacent two connecting blocks 1 in front and back, the placing assembly 4 is provided with two, and the two placing assemblies 4 are fixedly connected, the helium spraying assembly 9 and the placing assembly 4 both belong to the prior art, and the structure and working principle thereof are referred to the cylindrical battery cover plate leak detection tool with the publication (announcement) number CN214149714U, and the structure and working principle will not be described in detail herein; the adjacent two connecting blocks 1 are fixedly connected, and the opposite ends of the two connecting blocks 1 that are not adjacent are fixedly connected with fixing plates 8, the fixing plates 8 play the role of limiting the end of the fixing block 5, the bottom end surface of the fixing plate 8 is fixedly connected with supporting rods in a symmetrical mode, the fixing block 5 is slidably connected between the two connecting blocks 1 in front and back, a rectangular hole is formed in the fixing block 5, the bottom end surface of the placing assembly 4 is fixedly connected with the top end surface of the fixing block 5, the bottom end surface of the fixing block 5 is fixedly connected with a rack plate 6, the length of the rack plate 6 is greater than the total length of the two connecting blocks 1, and the rack plate 6 is slidably connected with the bottom end surface of the connecting block 1;

[0027] The bottom end surface of the connecting block 1 is fixedly connected with a fixing frame 10, two from gears 21 are rotatably connected to the inner side of the fixing frame 10 in a symmetrical mode, a rotating shaft 12 is rotatably connected to the fixing frame 10 in a symmetrical mode, the from gears 21 are fixedly connected to the outer side of the upper end of the rotating shaft 12, a worm wheel 13 is rotatably connected to the inner side of the fixing frame 10, a rotating rod 11 is rotatably connected to the fixing frame 10, the worm wheel 13 is fixedly connected to the outer side of the upper end of the rotating rod 11, the bottom end surface of the connecting block 1 is fixedly connected with supporting plates 14, a worm 15 is rotatably connected between the two supporting plates 14, the worm 15 and the worm wheel 13 are in meshing transmission connection, the two from gears 21 are in meshing transmission connection with the worm wheel 13, the outer side of one of the supporting plates 14 is fixedly connected with a motor 16 for driving the worm 15 to rotate, the motor 16 is controlled to work to drive the worm 15 to rotate, the worm 15 drives the worm wheel 13 to rotate, and the worm wheel 13 drives the two from gears 21 to rotate in the same direction, so that the rack plate 6 is driven to move, and the rack plate 6 moving can drive the fixing block 5 and the placing assembly 4 to move.

[0028] Please refer to Figure 2 A sliding groove 2 is formed in the connecting block 1, a matching sliding block 7 is slidably connected in the sliding groove 2, the sliding block 7 is fixedly connected with the fixing block 5, and the sliding groove 2 and the sliding block 7 limit the fixing block 5; when the fixing block 5 moves, the fixing block 5 drives the sliding block 7 to move in the sliding groove 2, and the stability of the placing assembly 4 during movement is improved.

[0029] Please refer to Figure 1The lifting assembly 3 comprises a support 32 fixedly connected to the top of the connecting block 1, the top of the support 32 is fixedly connected with an electric push rod 31, the electric push rod 31 can drive the helium spraying assembly 9 to lift, the output end of the electric push rod 31 penetrates through the top of the support 32 and is fixedly connected with the helium spraying assembly 9, the back side of the support 32 is fixedly connected with a controller, the vacuum generator 18, the electric push rod 31, the electromagnetic valve 20 and the motor 16 are electrically connected with the controller.

[0030] Please refer to Figure 3 The inner wall of the rectangular hole is fixedly connected with a vacuum generator 18, the vacuum generator 18 is connected with a three-way pipe 19, a plurality of connecting pipes 17 are connected between the placing assembly 4 and the three-way pipe 19, the outer side of the three-way pipe 19 is symmetrically provided with an electromagnetic valve 20, when the helium spraying assembly 9 is used, the controller controls the electromagnetic valve 20 below the used helium spraying assembly 9 to open, and then controls the vacuum generator 18 to work to realize vacuumizing in cooperation with the three-way pipe 19 and the connecting pipe 17.

[0031] The implementation principle of the embodiment of the present application is that when the battery cover plate on the right placing assembly 4 is detected, the operator places the battery cover plate to be detected next on the left placing assembly 4, after the detection of the battery cover plate on the right placing assembly 4 is completed, the motor 16 is controlled to work to drive the worm 15 to rotate, the worm 15 drives the worm gear 13 to rotate, the worm gear 13 drives the two pinion gears 21 to rotate in the same direction, thereby driving the rack plate 6 to move, the rack plate 6 drives the fixed block 5 and the placing assembly 4 to move to the right, thereby moving the left placing assembly 4 to be directly below the helium spraying assembly 9, and the battery cover plate on the right placing assembly 4 is moved to the right side of the support 32, then the electromagnetic valve 20 below the left placing assembly 4 is controlled to open, then the vacuum generator 18 is controlled to work to realize vacuumizing in cooperation with the three-way pipe 19 and the connecting pipe 17, then the electric push rod 31 is controlled to work to drive the helium spraying assembly 9 to move downward to detect, at this time, the operator can take down the battery cover plate which has completed detection from the right side of the moving support 32, and place the battery cover plate to be detected next on the placing assembly 4, and wait for detection, thereby realizing that the detection work and the feeding and discharging work are simultaneously performed without stopping and waiting.

[0032] When waiting for the next detection, the motor 16 is controlled to reverse to move the fixed block 5 to the left, so that the two placing assemblies 4 are used in turns, thereby improving the detection efficiency.

[0033] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A battery cover plate helium leak detection device, comprising a plurality of connecting blocks (1), a lifting assembly (3) arranged on the top of the connecting blocks (1), a helium spraying assembly (9) arranged on the lifting assembly (3), and a placing assembly (4) installed between two adjacent connecting blocks (1) in front and back, characterized in that: Two adjacent connecting blocks (1) are fixedly connected, and opposite ends of two non-adjacent connecting blocks (1) are fixedly connected with fixing plates (8), the bottom end of the fixing plate (8) is fixedly connected with a support rod in a symmetrical manner, a fixing block (5) is slidably connected between two adjacent connecting blocks (1) in front of and behind each other, a rectangular hole is formed in the fixing block (5), the bottom end of the placing assembly (4) is fixedly connected with the top end of the fixing block (5), the bottom end of the fixing block (5) is fixedly connected with a rack plate (6), the bottom end of the connecting block (1) is fixedly connected with a fixing frame (10), two from gears (21) are rotatably connected to the inner side of the fixing frame (10) in a symmetrical manner, a worm wheel (13) is rotatably connected to the inner side of the fixing frame (10), a support plate (14) is fixedly connected to the bottom end of the connecting block (1), a worm (15) is rotatably connected between two support plates (14), and one of the support plates (14) is fixedly connected with a motor (16) for driving the worm (15) to rotate.

2. The battery cover plate helium leak detection apparatus of claim 1, wherein: The worm (15) and the worm wheel (13) are in meshing transmission connection, and the two from gears (21) are in meshing transmission connection with the worm wheel (13).

3. The battery cover plate helium leak detection apparatus of claim 1, wherein: The fixing frame (10) is rotatably connected with a rotating shaft (12) in a symmetrical manner, and the from gear (21) is fixedly connected to the outer side of the upper end of the rotating shaft (12).

4. The battery cover plate helium leak detection apparatus of claim 1, wherein: The fixing frame (10) is rotatably connected with a rotating rod (11), and the worm wheel (13) is fixedly connected to the outer side of the upper end of the rotating rod (11).

5. The battery cover plate helium leak detection apparatus of claim 1, wherein: A sliding groove (2) is formed in the connecting block (1), and a matching sliding block (7) is slidably connected in the sliding groove (2).

6. The battery cover plate helium leak detection apparatus of claim 1, wherein: The lifting assembly (3) comprises a support (32) fixedly connected to the top of the connecting block (1), the top of the support (32) is fixedly connected with an electric push rod (31), the output end of the electric push rod (31) penetrates the top of the support (32) and is fixedly connected with the helium spraying assembly (9), and the back side of the support (32) is fixedly connected with a controller.

7. The battery cover plate helium leak detection apparatus of claim 1, wherein: The inner wall of the rectangular hole is fixedly connected with a vacuum generator (18), the vacuum generator (18) is connected with a three-way pipe (19), a plurality of connecting pipes (17) are connected between the placing assembly (4) and the three-way pipe (19), and the outer side of the three-way pipe (19) is symmetrically provided with an electromagnetic valve (20).

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