Battery cell high-efficiency leak detection equipment

Abstract

The utility model relates to the technical field of battery cells, in particular to efficient battery cell leakage detection equipment, a conveying mechanism conveys the battery cells to the position below a feeding mechanism, the feeding mechanism transfers the battery cells on the conveying mechanism to a leakage detection mechanism for testing, and after testing is completed, the battery cells are transferred and discharged through a discharging mechanism. The leak detection mechanism comprises a mounting rack, a plurality of layers of bearing trays movably arranged on the mounting rack, a first driver for driving the plurality of layers of bearing trays to be close to or far away from each other, a leak detection cavity arranged above the bearing trays on the mounting rack, and a second driver for driving the leak detection cavity to cover the bearing trays; after the battery cells are placed on the bearing trays by the feeding mechanism, the battery cells are sealed and covered on the multiple layers of bearing trays through the leak hunting cavity, the test is carried out through vacuum suction in the leak hunting cavity, the test efficiency is improved through automatic feeding and discharging, and the multiple layers of bearing trays are arranged so that the multiple battery cells can be placed, and then the multiple battery cells can be tested at the same time; therefore, the productivity is improved.

Description

Technical Field

[0001] This application relates to the field of battery cell technology, and in particular to a high-efficiency leak detection device for battery cells. Background Technology

[0002] As a crucial power supply component for electronic and electrical devices, the quality and performance of batteries are paramount. When battery packaging is substandard or damaged, leakage occurs, leading to numerous quality incidents. Leaking batteries can corrode equipment and its circuit boards, causing significant losses. Existing leak detection equipment can detect leaks, but it requires manual loading and unloading, wasting time and hindering production efficiency. Furthermore, current leak detection equipment is mostly applicable to single batteries and cannot adapt to the ever-increasing production capacity. Utility Model Content

[0003] To address the aforementioned technical problems, this application provides a high-efficiency leak detection device for battery cells, comprising a conveying mechanism, a feeding mechanism, a leak detection mechanism, and a discharging mechanism arranged in parallel. The conveying mechanism is used to convey battery cells to a position below the feeding mechanism; the feeding mechanism transfers the battery cells from the conveying mechanism to the leak detection mechanism; and the discharging mechanism is used to unload the battery cells from the leak detection mechanism.

[0004] The leak detection mechanism includes a mounting frame, several layers of support trays movably arranged on the mounting frame, and a first driver that drives the several layers of support trays to move closer or further apart from each other. A leak detection cavity is arranged on the mounting frame above the support trays, and a second driver is used to drive the leak detection cavity to cover the support trays.

[0005] Preferably, the first driver is installed at the bottom of the mounting frame, and a lifting plate is connected to the driving end of the first driver. The lifting plate is provided with guide columns that are movably inserted through the carrying tray. The guide columns are used to drive several layers of the carrying tray to move closer or further apart from each other.

[0006] Preferably, the guide post is fixedly connected to the top layer of the support tray, and each layer of the support tray is provided with a guide block on its side. The guide blocks of two adjacent layers of the support tray are connected by a ring-shaped connecting strip.

[0007] Preferably, the second driver is mounted on top of the mounting bracket, and the driving end of the second driver is connected to the leak detection cavity via an elastic element.

[0008] Preferably, the driving end of the second driver is further provided with a plug detector.

[0009] Preferably, the feeding mechanism includes a first conveyor line, a second conveyor line, and a transfer component. The transfer component is used to transfer the battery cells on the first conveyor line to the second conveyor line. Limiting plates and detectors are provided at the ends of the first and second conveyor lines.

[0010] Preferably, an NG conveyor belt and a positioning component for positioning battery cells are provided on the side of the second conveyor line.

[0011] Preferably, the carrier tray is adjustablely equipped with a positioning block for limiting the battery cell.

[0012] As can be seen from the above, the following beneficial effects can be obtained by applying the method provided in this application: the battery cell is conveyed to the area below the loading mechanism by the conveying mechanism, the loading mechanism transfers the battery cell from the conveying mechanism to the leak testing mechanism for testing, and after the test is completed, the battery cell is transferred and unloaded by the unloading mechanism. The leak testing mechanism includes a mounting frame, several layers of carrier trays movably arranged on the mounting frame, and a first driver that drives the several layers of carrier trays to move closer or further apart. A leak testing chamber is arranged on the mounting frame above the carrier trays, and a second driver is used to drive the leak testing chamber to cover the carrier trays. After the loading mechanism places the battery cell on the carrier trays, the leak testing chamber seals it under the multiple layers of carrier trays, and the test is performed by drawing a vacuum inside the leak testing chamber. Automated loading and unloading improves testing efficiency, and setting up multiple carrier trays allows multiple battery cells to be placed, thereby testing multiple battery cells simultaneously and increasing production capacity. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the accompanying drawings described below are only a part of the embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a high-efficiency leak detection device for battery cells according to an embodiment of this application;

[0015] Figure 2 This is a schematic diagram of the leak detection mechanism in an embodiment of this application;

[0016] Figure 3 This is a structural diagram of the leak detection mechanism in an embodiment of this application;

[0017] Figure 4 This is a schematic diagram of the state of the support tray during leak testing in an embodiment of this application.

[0018] Figure 5 This is a schematic diagram of the conveying mechanism in an embodiment of this application. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0020] Example

[0021] To address the aforementioned technical problems, this embodiment provides a high-efficiency leak detection device for battery cells, such as... Figure 1-3 As shown, the device includes a conveying mechanism 10, a feeding mechanism 20, a leak testing mechanism 30, and a discharging mechanism 40 arranged in parallel. The conveying mechanism 10 conveys the battery cells to the area below the feeding mechanism 20. The feeding mechanism 20 transfers the battery cells from the conveying mechanism 10 to the leak testing mechanism 30 for testing. After the test is completed, the discharging mechanism 40 transfers the battery cells out of the device. The leak testing mechanism 30 includes a mounting frame 31, several layers of carrier trays 32 movably mounted on the mounting frame 31, and a first driver 33 that drives the layers of carrier trays 32 to move closer or further apart. A leak testing chamber 34 is provided on the mounting frame 31 above the carrier trays 32, and a second driver 35 is provided to drive the leak testing chamber 34 to cover the carrier trays 32. After the feeding mechanism 20 places the battery cell on the carrier tray 32, it is sealed and covered by the leak testing chamber 34 on the multi-layer carrier trays 32. The test is performed by drawing a vacuum inside the leak testing chamber 34. Automated feeding and unloading improves testing efficiency. Setting up multiple carrier trays 32 can accommodate multiple battery cells, thereby testing multiple battery cells simultaneously and increasing production capacity.

[0022] Specifically, such as Figure 2 As shown, the first driver 33 is installed at the bottom of the mounting frame 31. The first driver 33 can be a cylinder. A lifting plate 36 is connected to the driving end of the first driver 33. A guide column 37 is provided on the lifting plate 36 and is movably inserted through the carrying tray 32. The guide column 37 is slidably connected to the mounting frame 31 through a guide sleeve. The first driver 33 drives the lifting plate 36 and the guide column 37 to move up and down. The guide column 37 then drives several layers of carrying trays 32 to move closer or further apart from each other.

[0023] In the above scheme, after all the multi-layer support trays 32 are filled with battery cells, the first driver 33 drives the guide column 37 to move up and down, thereby causing the multiple layers of support trays 32 to move closer or further apart. Specifically, the guide column 37 is fixedly connected to the top layer support tray 32, and each layer of support tray 32 has a guide block 38 on its side. The guide blocks 38 of adjacent layers of support trays 32 are connected by a ring-shaped connecting strip 39. When the guide column 37 moves downward, the top layer support tray 32 moves downward, and the guide block 38 of the top layer support tray 32 moves downward and abuts against the guide block 38 of the lower layer support tray 32. This causes the upper layer support tray 32 to push the lower layer support tray 32 downward, thereby reducing the distance between each layer of support trays 32. Figure 4 As shown, the two adjacent support trays 32 are supported by guide blocks 38. The advantage of this structure is that it reduces the internal volume of the leak detection chamber 34, thereby reducing the vacuuming time during testing and further improving testing efficiency. After the test is completed, the first driver 33 drives the guide column 37 to rise, which in turn raises the top support tray 32. The guide block 38 of the upper support tray 32 pulls the lower support tray 32 via the connecting strip 39, increasing the distance between the support trays 32 and facilitating the feeding mechanism 40 to reach between the support trays 32 to grab and feed the battery cells.

[0024] The carrier tray 32 is adjustablely equipped with positioning blocks for limiting the position of the battery cell. The four positioning blocks are installed on the carrier tray 32 by screws, and the four positioning blocks are the placement positions for accommodating the battery cell. The size of the placement position can be adjusted by adjusting the position of the positioning blocks, so as to be compatible with battery cells of different sizes.

[0025] Furthermore, the second actuator 35 is mounted on top of the mounting bracket 31, and its driving end is connected to the leak detection chamber 34 via an elastic element 341. The second actuator 35 is a cylinder, and its driving end drives the leak detection chamber 34 to descend and move, causing the leak detection chamber 34 to enclose itself within the multi-layer support tray 32. The elastic element 341 acts as a buffer. A sealing ring is provided at the bottom of the leak detection chamber 34, thus forming a sealed space inside the leak detection chamber 34. Leakage detection of the battery cell is then achieved by evacuating the leak detection chamber 34. It should be noted that the guide post 37 is slidably connected to the mounting bracket 31 via a guide sleeve. The guide post 37 slides through the guide sleeve, and a sealing element is provided inside the guide sleeve, thereby ensuring that a sealed space is formed inside the leak detection chamber 34.

[0026] To enhance safety, the drive end of the second driver 35 is also equipped with a plug detector 342. When the equipment is in a stopped state, the plug is inserted into the plug detector 342, and the plug detector 342 detects that the plug is in place. At this time, the second driver 35 will not start, thereby preventing the second driver 35 from driving the leak detection chamber 34 to press down and causing an accident.

[0027] Furthermore, such as Figure 5 As shown, the feeding mechanism 20 includes a first conveyor line 11, a second conveyor line 12, and a transfer assembly 13. The transfer assembly 13 is used to transfer the battery cells on the first conveyor line 11 to the second conveyor line 12. Limit plates 14 and detectors 15 are provided at the ends of the first and second conveyor lines 11 and 12, respectively. The first conveyor line 11 conveys the battery cells to the limit plate 14. The detector 15 detects whether the battery cells are in place and whether they are stacked. The transfer assembly 13 picks up the battery cells from the first conveyor line 11 and transfers them to the second conveyor line 12. A barcode scanner is installed on the second conveyor line 12 to scan and record the battery cell labels. The transfer assembly 13 can adopt a combination structure of a linear module, a lifting cylinder, and a suction cup, which will not be described in detail here.

[0028] A positioning component 16 for positioning battery cells is provided on the side of the end of the second conveyor line 12. The positioning component 16 includes a cylinder and a pusher block. After the second conveyor line 12 conveys the battery cells and abuts against the limiting plate 14, the cylinder drives the pusher block to abut against the side of the battery cell, thereby positioning the battery cell. Then, the loading mechanism 20 picks up the positioned battery cell and transfers it to the leak detection mechanism 30. The loading mechanism 20 adopts a combination structure of a robotic arm and a suction cup to transfer the battery cell. An NG conveyor belt 17 is also provided on the side of the second conveyor line 12. When the leak detection mechanism 30 fails the test, the loading mechanism 20 transfers the battery cell on the carrying tray 32 to the NG conveyor belt 17 for unloading. The unloading mechanism 40 also adopts a combination of a robotic arm and a conveyor belt for unloading.

[0029] In summary, the proposed solution uses a conveying mechanism to transport battery cells to a loading mechanism below the loading mechanism. The loading mechanism then transfers the battery cells from the conveying mechanism to a leak testing mechanism for testing. After testing, the battery cells are unloaded via a unloading mechanism. The leak testing mechanism includes a mounting frame, several layers of carrier trays movably mounted on the mounting frame, and a first driver that drives the carrier trays to move closer or further apart. A leak testing chamber is positioned on the mounting frame above the carrier trays, and a second driver is used to drive the leak testing chamber to enclose the carrier trays. After the loading mechanism places the battery cells on the carrier trays, the leak testing chambers seal them within the multiple carrier trays, and testing is performed by drawing a vacuum inside the leak testing chambers. Automated loading and unloading improves testing efficiency. The multiple carrier trays allow for the placement of multiple battery cells, enabling simultaneous testing of multiple cells and thus increasing production capacity.

[0030] The embodiments described above do not constitute a limitation on the scope of protection of this technical solution. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the above embodiments should be included within the scope of protection of this technical solution.

Claims

1. An efficient cell leak detection apparatus, characterized by: The device comprises conveying mechanism (10), feeding mechanism (20), leak detection mechanism (30) and discharging mechanism (40) arranged side by side, the conveying mechanism (10) is used for conveying the battery cell to the feeding mechanism (20) below, the feeding mechanism (20) transfers the battery cell on the conveying mechanism (10) to the leak detection mechanism (30), and the discharging mechanism (40) is used for discharging the battery cell on the leak detection mechanism (30); The leak detection mechanism (30) comprises a mounting frame (31), a plurality of layers of bearing trays (32) movably arranged on the mounting frame (31), and a first driver (33) for driving the plurality of layers of bearing trays (32) to move close to or away from each other, a leak detection cavity (34) is arranged above the bearing tray (32) on the mounting frame (31), and a second driver (35) is arranged for driving the leak detection cavity (34) to cover the bearing tray (32).

2. The high efficiency cell leak detection apparatus of claim 1, wherein: The first driver (33) is installed at the bottom of the mounting frame (31), a lifting plate (36) is connected to the driving end of the first driver (33), the lifting plate (36) is provided with a guide column (37) movably arranged in the bearing tray (32), and the guide column (37) is used for driving the plurality of layers of bearing trays (32) to move close to or away from each other.

3. The high efficiency cell leak detection apparatus of claim 2, wherein: The guide column (37) is fixedly connected with the top layer of the bearing tray (32), the side surface of each layer of the bearing tray (32) is provided with a guide block (38), and the guide blocks (38) of the adjacent two layers of the bearing tray (32) are connected by a ring-shaped connecting strip (39).

4. The high efficiency cell leak detection apparatus of claim 1, wherein: The second driver (35) is installed at the top of the mounting frame (31), and the driving end of the second driver (35) is connected with the leak detection cavity (34) through an elastic member (341).

5. The high efficiency cell leak detection apparatus of claim 4, wherein: The driving end of the second driver (35) is further provided with an insertion block detector (342).

6. The high efficiency cell leak detection apparatus of claim 1, wherein: The feeding mechanism (20) comprises a first conveying line (11), a second conveying line (12) and a transfer assembly (13), the transfer assembly (13) is used for transferring the battery cell on the first conveying line (11) to the second conveying line (12), and a limiting plate (14) and a detector (15) are arranged at the ends of the first conveying line (11) and the second conveying line (12).

7. The high efficiency cell leak detection apparatus of claim 6, wherein: An NG conveying belt (17) and a positioning assembly (16) for positioning the battery cell are arranged on the side of the second conveying line (12).

8. The high efficiency cell leak detection apparatus of claim 1, wherein: The bearing tray (32) is adjustably provided with a positioning block for limiting the battery cell.

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