Sealing cavity internal loading mechanism for lithium battery leakage test

Abstract

The utility model discloses a sealed cavity interior loading mechanism for a lithium battery leakage test, which comprises a plurality of guide rods, the bottoms of every two guide rods are connected through a connecting plate, the two connecting plates are connected through a bottom mounting plate, the upper ends of the plurality of guide rods are fixedly connected through an upper-layer loading table, and the upper-layer loading table is fixedly connected with the upper-layer loading table. A plurality of layers of middle objective tables and a bottom frame are further arranged between the upper-layer objective table and the bottom mounting plate, the middle objective tables can slide along the guide rods to change the distance, the two sides of each middle objective table are each provided with a distance-changing sliding guide plate and a sliding assembly, and the distance-changing sliding guide plates are provided with long-strip-shaped holes. The sliding assemblies of every two adjacent middle objective tables are arranged in the long-strip-shaped holes of the variable-pitch sliding guide plates in a penetrating mode, and the four corners of the bottom frame are connected to the guide rods in a sliding mode through guide sliding sleeves. The device is simple in structure, small in occupied space and convenient to manufacture and install, and the purposes of reducing cost and improving efficiency are effectively achieved.

Description

Technical Field

[0001] The utility model relates to lithium battery leakage testing equipment, in particular to a sealed cavity internal loading mechanism for lithium battery leakage testing. Background Art

[0002] The existing loading mechanism used in the sealed cavity of the lithium battery leakage test mainly increases the plane area of ​​the cavity to achieve the amount of test material.

[0003] The existing internal loading mechanism has a relatively simple structure. Testing multiple materials requires adding spacers or increasing the surface area, resulting in low space utilization. Furthermore, testing efficiency is low. To improve testing efficiency, the number of test stations must be increased, resulting in higher testing costs. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a sealed cavity internal loading mechanism for lithium battery leakage testing.

[0005] The purpose of the utility model is achieved through the following technical solutions: a sealed cavity internal loading mechanism for lithium battery leakage testing, comprising a plurality of guide rods, the bottoms of every two guide rods being connected by a connecting plate, the two connecting plates being connected by a bottom mounting plate, the upper ends of the plurality of guide rods being fixedly connected by an upper loading platform, and a plurality of intermediate loading platforms and a bottom frame being provided between the upper loading platform and the bottom mounting plate, each of the intermediate loading platforms being capable of sliding and changing distances along the guide rods, a variable-distance sliding guide plate and a sliding assembly being provided on both sides of each intermediate loading platform, a long hole being provided on the variable-distance sliding guide plate, the sliding assembly of every two adjacent intermediate loading platforms being inserted into the long hole of the variable-distance sliding guide plate, and the four corners of the bottom frame being slidably connected to the guide rods by guide sleeves.

[0006] As an improvement to the internal loading mechanism of a sealed cavity for lithium battery leakage testing of the utility model, the upper loading platform is fixedly connected to the upper ends of the multiple guide rods, and second variable-length sliding guide plates are respectively provided on both sides of the upper loading platform. The second variable-length sliding guide plates are provided with second long holes, and the sliding assembly on the topmost intermediate loading platform is inserted into the second long holes on the second variable-length sliding guide plates.

[0007] As an improvement to the internal loading mechanism of the sealed cavity for lithium battery leakage testing of the utility model, the sliding assembly includes an internal gasket, an external gasket and a roller, a bearing is passed through the roller, the variable-pitch sliding guide plate is clamped between the internal gasket and the external gasket, and the bearing can slide in the elongated hole.

[0008] As an improvement to the internal loading mechanism of the sealed cavity for lithium battery leakage testing of the utility model, the upper loading platform and the intermediate loading platform both include a loading plate, both sides of the loading plate are respectively mounted on a side connecting plate, the side connecting plate of the upper loading platform is fixedly mounted on the upper end of the guide rod, and the side connecting plate of the intermediate loading platform is passed through the guide rod.

[0009] As an improvement to the internal loading mechanism of the sealed cavity for lithium battery leakage testing of the utility model, a lifting control drive is provided on the bottom mounting plate, and the lifting control drive controls the up and down movement and distance variation of multiple intermediate loading platforms, and the lifting control drive is connected to the bottom frame.

[0010] As an improvement to the internal loading mechanism of the sealed cavity for lithium battery leakage testing of the present invention, the lifting control drive is a cylinder or a motor.

[0011] As an improvement to the internal loading mechanism of a sealed cavity for lithium battery leakage testing of the utility model, steering knuckle blocks are provided on both sides of the bottom frame, a mounting guide rod is provided on the steering knuckle block, a base is provided on the mounting guide rod, a photoelectric mounting seat is provided on the base, and a reflecting photoelectric mounting seat is provided on the photoelectric mounting seat. The two reflecting photoelectrics can detect the opening and closing distance of the intermediate loading platforms of two adjacent layers.

[0012] The beneficial effects of this utility model include: a simple structure, a small footprint, and easy manufacture and installation, effectively achieving the goal of reducing costs and increasing efficiency. This utility model fully utilizes the three-dimensional space of the loading platform, increasing the number of loading platforms within this space, and enabling adjustable spacing through variable-distance telescopic functionality. By integrating multiple loading platforms and a variable-distance structure, a single chamber is required to simultaneously test multiple layers of materials, significantly improving testing efficiency and saving space. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the variable-pitch sliding guide plate and the sliding assembly of the utility model;

[0015] Figure 3 This is a schematic diagram of the photoelectric installation structure of the utility model;

[0016] The figures are marked as follows: 1. guide rod, 2. connecting plate, 3. bottom mounting plate, 4. upper loading platform, 5. middle loading platform, 6. variable pitch sliding guide plate, 7. sliding assembly, 8. long hole, 9. second variable pitch sliding guide plate, 10. second long hole, 11. loading plate, 12. side connecting plate, 13. guide sleeve, 14. steering knuckle block, 15. mounting guide rod, 16. base, 17. photoelectric mounting seat, 18. opposing photoelectric, 19. bottom frame, 71. inner gasket, 72. outer gasket, 73. roller, 74. bearing. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0020] like Figure 1-Figure 3As shown, a loading mechanism inside a sealed cavity for lithium battery leakage testing includes multiple guide rods 1, the bottoms of every two guide rods 1 are connected by a connecting plate 2, the two connecting plates 2 are connected by a bottom mounting plate 3, the upper ends of the multiple guide rods 1 are fixedly connected by an upper loading platform 4, and multiple layers of intermediate loading platforms 5 and a bottom frame 19 that can slide and change distances along the guide rods 1 are provided between the upper loading platform 4 and the bottom mounting plate 3. Variable-distance sliding guide plates 6 and sliding assemblies 7 are provided on both sides of each intermediate loading platform 5, and the variable-distance sliding guide plates 6 are provided with long holes 8. The sliding assemblies 7 of every two adjacent intermediate loading platforms 5 are inserted into the long holes 8 of the variable-distance sliding guide plates 6. The four corners of the bottom frame 19 are slidably connected to the guide rods 1 through guide sleeves 13.

[0021] Preferably, the upper loading platform 4 is fixedly connected to the upper ends of the multiple guide rods 1, and a second variable-length sliding guide plate 9 is provided on both sides of the upper loading platform 4. The second variable-length sliding guide plate 9 is provided with a second long hole 10, and the sliding assembly 7 on the topmost intermediate loading platform 5 is inserted into the second long hole 10 on the second variable-length sliding guide plate 9.

[0022] Preferably, the sliding assembly 7 includes an inner washer 71 , an outer washer 72 and a roller 73 , a bearing 74 is passed through the roller 73 , the variable pitch sliding guide plate 6 is clamped between the inner washer 71 and the outer washer 72 , and the bearing 74 can slide in the elongated hole 8 .

[0023] Preferably, the upper loading platform 4 and the intermediate loading platform 5 both include a loading plate 11, and both sides of the loading plate 11 are respectively installed on a side connecting plate 12. The side connecting plate 12 of the upper loading platform 4 is fixedly installed on the upper end of the guide rod 1, and the side connecting plate 12 of the intermediate loading platform 5 is slidably connected to the guide rod 1 through a guide sleeve 13.

[0024] Preferably, a lifting control drive (not shown) is provided on the bottom mounting plate 3 , and the lifting control drive controls the up and down movement and pitch variation of the plurality of intermediate loading platforms 5 , and the lifting control drive is connected to the bottom frame 19 .

[0025] Preferably, the lift control drive is a pneumatic cylinder or a motor. If the pneumatic cylinder is used, the cylinder body is fixedly mounted on the bottom mounting plate 3. The piston rod end of the cylinder is connected to the bottom frame 19. When the cylinder pushes the piston rod to extend, it can push the multi-layer intermediate loading platform 5 upward to adjust the spacing. If the lift control drive is a servo motor, the servo motor's output shaft is connected to a screw through a coupling, and the screw is connected to the bottom frame 19 via a screw nut.

[0026] Preferably, a steering knuckle block 14 is provided on both sides of the bottom frame 19, a mounting guide rod 15 is provided on the steering knuckle block 14, a base 16 is provided on the mounting guide rod 15, a photoelectric mounting seat 17 is provided on the base 16, and a reflecting photoelectric device 18 is provided on the photoelectric mounting seat 17. The two reflecting photoelectric devices 18 can detect the opening and closing distance between two adjacent intermediate loading platforms 5.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and structure of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed cavity internal loading mechanism for lithium battery leakage testing, comprising a plurality of guide rods, wherein the bottoms of every two guide rods are connected by a connecting plate, and the two connecting plates are connected by a bottom mounting plate, characterized in that: The upper ends of the plurality of guide rods are fixedly connected through the upper loading platform, and multiple layers of intermediate loading platforms and bottom frames that can slide and change distances along the guide rods are provided between the upper loading platform and the bottom mounting plate. Variable-distance sliding guide plates and sliding components are provided on both sides of each intermediate loading platform, and long holes are provided on the variable-distance sliding guide plates. The sliding components of every two adjacent intermediate loading platforms are inserted into the long holes of the variable-distance sliding guide plates, and the four corners of the bottom frame are slidably connected to the guide rods through guide sleeves.

2. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 1, characterized in that: The upper loading platform is fixedly connected to the upper ends of the multiple guide rods, and a second variable-length sliding guide plate is provided on both sides of the upper loading platform. The second variable-length sliding guide plate is provided with a second long hole, and the sliding assembly on the topmost intermediate loading platform is inserted into the second long hole on the second variable-length sliding guide plate.

3. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 1, characterized in that: The sliding assembly includes an inner washer, an outer washer and a roller, a bearing is passed through the roller, the variable pitch sliding guide plate is clamped between the inner washer and the outer washer, and the bearing can slide in the elongated hole.

4. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 2, characterized in that: The upper loading platform and the intermediate loading platform both include a loading plate, both sides of which are respectively mounted on a side connecting plate, the side connecting plate of the upper loading platform is fixedly mounted on the upper end of the guide rod, and the side connecting plate of the intermediate loading platform is passed through the guide rod.

5. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 2, characterized in that: A lifting control drive is provided on the bottom mounting plate, and the lifting control drive controls the up and down movement and pitch change of the plurality of intermediate loading platforms, and the lifting control drive is connected to the bottom frame.

6. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 5, characterized in that: The lifting control drive is a cylinder or a motor.

7. The sealed cavity internal loading mechanism for lithium battery leakage testing according to claim 1, characterized in that: Steering knuckle blocks are provided on both sides of the bottom frame, a mounting guide rod is provided on the steering knuckle block, a base is provided on the mounting guide rod, a photoelectric mounting seat is provided on the base, and a reflecting photoelectric seat is provided on the photoelectric mounting seat. The two reflecting photoelectric seats can detect the opening and closing distance of the intermediate loading platforms of two adjacent layers.

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