A lithium battery packaging structure for an electric vehicle energy storage device

Abstract

The present invention discloses a lithium battery packaging structure for an electric vehicle energy storage device, which relates to the field of lithium battery packaging technology. In view of the problem that the background technology requires stacking the pole pieces in advance and then placing the stacked pole pieces into the interior of the lithium-ion battery housing, which easily causes gaps between the stacked pole pieces and low packaging efficiency, the following scheme is proposed, including an operating table and a lithium battery housing, an adjustment mechanism is provided on the top of the operating table, two conveying assemblies are provided on the operating table, a support mechanism is provided on the top of the operating table, and a limiting assembly is provided on the operating table, the limiting assembly includes a fixed plate, an adjustment cylinder connected to the outer wall of one side of the fixed plate by bolts, and a connecting plate. The present invention can limit the lithium battery housing during packaging, prevent the lithium battery housing from shaking during packaging and causing gaps between the pole pieces, and can avoid gaps between the pole pieces without stacking the pole pieces in advance during packaging, thereby improving packaging efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery packaging, and in particular to a lithium battery packaging structure for an energy storage device of an electric vehicle. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as a power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles, hydrogen engine vehicles, etc. The power sources mainly include lithium-ion batteries, nickel-metal hydride batteries, lead-acid batteries, and supercapacitors. Most of the existing new energy vehicles use lithium-ion batteries as their power source.

[0003] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable.

[0004] Lithium-ion batteries are divided into prismatic, soft-pack, and cylindrical batteries based on the packaging process. Prismatic batteries currently dominate the power battery market. Prismatic hard-shell batteries are mostly made of aluminum alloy, stainless steel, and other materials, and utilize a winding or laminated process internally. They offer superior protection to the battery cell compared to aluminum-plastic film batteries (i.e., soft-pack batteries). Prismatic batteries have a simpler structure, unlike cylindrical batteries that use high-strength stainless steel for their shells and accessories like explosion-proof safety valves. The purpose of lithium-ion battery packaging is to completely isolate the interior of the battery cell from the outside using high-barrier materials, creating a vacuum, oxygen-free, and water-free environment.

[0005] Based on the existing technology, when packaging square lithium-ion batteries, the electrodes need to be stacked in advance and then placed inside the lithium-ion battery casing. This easily causes gaps between the stacked electrodes, resulting in low packaging efficiency. Summary of the Invention

[0006] The present invention provides a lithium battery packaging structure for an electric vehicle energy storage device, which solves the problem in the prior art that a packaging machine needs to stack the pole pieces in advance when packaging lithium-ion batteries, and then place the stacked pole pieces into the lithium-ion battery housing, which easily causes gaps between the stacked pole pieces and low packaging efficiency.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A lithium battery packaging structure for an electric vehicle energy storage device includes an operating table and a lithium battery shell, the top of the operating table is provided with an adjustment mechanism, the operating table is provided with two transmission components, the top of the operating table is provided with a support mechanism, the operating table is provided with a limit component, the limit component includes a fixed plate, an adjusting cylinder connected to the outer wall of one side of the fixing plate by bolts, a connecting plate connected to one end of the adjusting cylinder piston rod by bolts and two limit clamps respectively connected to the outer wall of one side of the connecting plate by bolts, the top of the operating table is provided with a mounting mechanism, the mounting mechanism includes a fixed block connected to the outer wall of the top of the operating table by bolts, a linear slide connected to the outer wall of the top of the fixed block by bolts and a fixed frame connected to the outer wall of the bottom of the linear slide by bolts, a picking component is provided in the fixing frame, the picking component includes a lifting cylinder connected to the inner wall of the bottom of the fixing frame by bolts, a connecting block connected to the bottom end of the lifting cylinder piston rod by bolts and two vacuum suction cups respectively connected to the outer wall of the bottom of the connecting block by bolts, and a laser welding component is provided on one side of the fixing frame.

[0009] Preferably, the operating table includes a mounting frame, a support platform connected to the top outer wall of the mounting frame by bolts, and a protective cover connected to the outer wall of the mounting frame by bolts. The mounting frame is composed of multiple groups of aluminum profiles, and the multiple groups of aluminum profiles are fixed by bolts respectively. The protective cover is composed of four groups of sheet metal plates.

[0010] Preferably, the adjustment mechanism includes two mounting plates respectively connected to the outer wall of the top of the operating table by bolts, an adjustment motor connected to the outer wall of one side of one of the mounting plates by bolts, a bidirectional screw connected to one end of the output shaft of the adjustment motor through a coupling, two threaded blocks respectively screwed to the outer walls at both ends of the bidirectional screw, and two slide rails respectively connected to the outer wall of the top of the operating table by bolts, one end of the bidirectional screw passes through and is connected to the outer wall of one of the mounting plates through a bearing, and the two ends of the two slide rails respectively abut against the outer walls on the opposite side of the two mounting plates.

[0011] Preferably, the conveying assembly includes a mounting block connected to the top outer wall of the threaded block by bolts, two sliders connected to the bottom outer wall of the mounting block by bolts, a mounting frame connected to the outer wall of one side of the mounting block by bolts, two conveying rollers whose two ends respectively pass through and are connected to the outer wall of the mounting frame by bearings, a conveyor belt sleeved on the outer walls of the two conveying rollers, a conveying motor connected to the top outer wall of the mounting frame by bolts, and an extrusion frame connected to the inner wall of the mounting frame by bolts, two reinforcing plates are welded on the outer wall of the mounting block, two sliders are slidably mounted on the outer walls of the two slide rails, the conveying motor is connected to the upper outer wall of one of the conveying rollers through a coupling, and one side of the extrusion frame abuts against the inner wall of one side of the conveyor belt.

[0012] Preferably, the support mechanism includes a support frame connected to the outer wall of the top of the operating table by bolts and a support seat connected to the outer wall of the top of the operating table by bolts, the top of the support seat abuts against the inner wall of the top of the support frame, and the support seat is sleeved on the outer wall of the bidirectional screw.

[0013] Through the above scheme, one of the conveying rollers is driven to rotate by the output shaft of the conveying motor, thereby driving the conveyor belt to convey the lithium battery shell. At the same time, the support frame with a smooth surface supports the lithium battery shell. At the same time, the motor output shaft is adjusted to drive the bidirectional screw to rotate. The bidirectional screw adjusts the position between the two threaded blocks, thereby adjusting the distance between the two mounting blocks and the two conveyor belts. The two sets of conveyor belts convey the lithium battery shell to the top of the support seat, and the extrusion frame supports the conveyor belt, thereby extruding the lithium battery shell.

[0014] Preferably, the fixing plate is connected to the outer wall of one of the mounting blocks by bolts, and two first limiting rods are connected to the outer wall of one side of the connecting plate by bolts, and one end of the two first limiting rods respectively passes through and is slidably mounted on the outer wall of the fixing plate.

[0015] Preferably, the lithium battery housing abuts against the outer wall of the top of the support frame, and two sides of the lithium battery housing abut against the outer walls of the two conveyor belts on opposite sides respectively.

[0016] Through the above scheme, by adjusting one end of the cylinder piston rod to drive the connecting plate to move, and then drive the two limiting clamps to move, so that one side of the two limiting clamps respectively contacts the two sides of the lithium battery shell, and the two limiting clamps and the two extrusion frames cooperate with each other to limit and fix the lithium battery shell.

[0017] Preferably, two stabilizing plates are connected to the outer wall of one side of the fixed block by bolts, and the two stabilizing plates are respectively connected to the outer wall of the top of the operating table by bolts, two triangular plates are connected to the inner wall of the upper part of the fixed block by bolts, two limit blocks are connected to the outer wall of the top of the fixed frame by bolts, and the upper parts of the two limit blocks are respectively abutted against the outer wall of the top of the fixed block, two slides are opened on the outer wall of the top of the fixed block, and the two limit blocks are respectively slidably installed in the two slides.

[0018] Preferably, the two vacuum suction cups are respectively connected to the vacuum pump through a hose, and two second limiting rods are connected to the top outer wall of the connecting block through bolts, and the two second limiting rods respectively pass through and are slidably mounted on the bottom inner wall of the fixed frame.

[0019] Through the above scheme, a through hole is opened on one side of the fixed block, so that one end of the conveyor for transporting the electrode passes through the through hole, and the linear slide drives the two vacuum suction cups to move, and then the lifting cylinder piston rod drives the vacuum suction cup to descend to adsorb and fix the electrode on the conveyor, and then the lifting cylinder piston rod is reset, and the linear slide drives the vacuum suction cup and the electrode to move above the lithium battery shell, and the lifting cylinder piston rod drives the connecting block to descend to transport the electrode into the lithium battery shell.

[0020] The beneficial effects of the present invention are:

[0021] 1. One end of the piston rod of the adjusting cylinder drives the connecting plate to move, and then drives the two limiting clamps to move, so that one side of the two limiting clamps contacts the two sides of the lithium battery shell respectively. The two limiting clamps and the two extrusion frames cooperate with each other to limit and fix the lithium battery shell, which can limit the lithium battery shell during packaging, prevent the lithium battery shell from shaking during packaging and cause gaps between the pole pieces, thereby improving the packaging efficiency.

[0022] 2. A through hole is opened on one side of the fixed block so that one end of the conveyor for transporting the electrode passes through the through hole. The linear slide drives the two vacuum suction cups to move, and then the lifting cylinder piston rod drives the vacuum suction cup to descend to adsorb and fix the electrode on the conveyor. Then the lifting cylinder piston rod is reset, and the linear slide drives the vacuum suction cup and the electrode to move above the lithium battery shell. The lifting cylinder piston rod drives the connecting block to descend and transports the electrode into the lithium battery shell. This eliminates the need to stack the electrode in advance during packaging, avoids gaps between the electrode pieces, and improves packaging efficiency.

[0023] In summary, the present invention can limit the lithium battery shell during packaging, prevent the lithium battery shell from shaking during packaging and causing gaps between the pole pieces. It can avoid gaps between the pole pieces without stacking the pole pieces in advance during packaging, thereby improving packaging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall main structure of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0025] Figure 2 This is a schematic diagram of the overall bottom-up structure of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0026] Figure 3 This is a schematic diagram of the main structure of an adjustment mechanism of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0027] Figure 4 This is a schematic diagram of the main structure of a transmission component of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0028] Figure 5 This is a side structural schematic diagram of a transmission assembly of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0029] Figure 6 The present invention proposes Figure 5 Enlarged structural diagram at point A in the middle.

[0030] Figure 7 This is a schematic diagram of the main structure of a support mechanism for a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0031] Figure 8 This is a schematic diagram of the main structure of a limiting component of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0032] Figure 9 This is a side structural schematic diagram of a limiting assembly of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0033] Figure 10 This is a schematic diagram of the main structure of the installation mechanism of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0034] Figure 11 This is a schematic diagram of the main structure of a pickup assembly of a lithium battery packaging structure for an electric vehicle energy storage device proposed by the present invention.

[0035] Figure: 1. Operating table; 2. Adjustment mechanism; 201. Mounting plate; 202. Adjustment motor; 203. Bidirectional screw; 204. Threaded block; 205. Slide rail; 3. Conveyor assembly; 301. Mounting block; 302. Slider; 303. Mounting frame; 304. Conveyor roller; 305. Conveyor belt; 306. Conveyor motor; 307. Extrusion frame; 4. Support mechanism; 401. Support frame; 402. Support seat; 5. Limit Assembly; 501, fixed plate; 502, adjusting cylinder; 503, connecting plate; 504, first limiting rod; 505, limiting splint; 6, lithium battery housing; 7, mounting mechanism; 701, fixed block; 702, linear slide; 703, fixed frame; 704, limiting block; 8, picking assembly; 801, lifting cylinder; 802, connecting block; 803, vacuum suction cup; 804, second limiting rod; 9, laser welding assembly. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] Example 1, with reference to Figure 1-7 A lithium battery packaging structure for an electric vehicle energy storage device includes an operating table 1, an adjustment mechanism 2, two transmission components 3, a support mechanism 4 and a lithium battery housing 6. The adjustment mechanism 2 includes two mounting plates 201 respectively connected to the outer wall of the top of the operating table 1 by bolts, an adjustment motor 202 connected to the outer wall of one side of one of the mounting plates 201 by bolts, a bidirectional screw 203 connected to one end of the output shaft of the adjustment motor 202 by a coupling, two threaded blocks 204 respectively screwed to the outer walls of both ends of the bidirectional screw 203, and two screws respectively screwed to the outer walls of both ends of the bidirectional screw 203. The slide rail 205 is connected to the outer wall of the top of the operating table 1, and one end of the bidirectional screw 203 passes through and is connected to the outer wall of one of the mounting plates 201 through a bearing. The two ends of the two slide rails 205 are respectively abutted on the outer walls of the opposite sides of the two mounting plates 201. The transmission component 3 includes a mounting block 301 connected to the outer wall of the top of the threaded block 204 by bolts, two sliders 302 respectively connected to the outer wall of the bottom of the mounting block 301 by bolts, a mounting frame 303 connected to the outer wall of one side of the mounting block 301 by bolts, and two ends respectively pass through and are connected to the mounting plate 201 through a bearing. The conveying roller 304 on the outer wall of the mounting frame 303, the conveyor belt 305 sleeved on the outer wall of the two conveying rollers 304, the conveying motor 306 connected to the outer wall of the top of the mounting frame 303 by bolts and the extrusion frame 307 connected to the inner wall of the mounting frame 303 by bolts, two reinforcing plates are welded on the outer wall of the mounting block 301, and the two sliders 302 are slidably mounted on the outer walls of the two slide rails 205 respectively. The adjustment motor 202 and the conveying motor 306 are both servo motors, model SM3H-041ATNPV. The conveying motor 306 is connected to the outer wall of the mounting frame 303 by a coupling. On the upper outer wall of one of the conveyor rollers 304, the extrusion frame 307 is in contact with the inner wall of one side of the conveyor belt 305. The support mechanism 4 includes a support frame 401 connected to the top outer wall of the operating platform 1 by bolts and a support seat 402 connected to the top outer wall of the operating platform 1 by bolts. The top of the support seat 402 is in contact with the top inner wall of the support frame 401. The support seat 402 is sleeved on the outer wall of the bidirectional screw 203. The lithium battery housing 6 is in contact with the top outer wall of the support frame 401. The two sides of the lithium battery housing 6 are respectively in contact with the outer walls of the opposite sides of the two conveyor belts 305.

[0038] Example 2, reference Figure 8-9A lithium battery packaging structure for an electric vehicle energy storage device also includes a limit assembly 5, which includes a fixing plate 501, an adjusting cylinder 502 connected to the outer wall of one side of the fixing plate 501 by bolts, a connecting plate 503 connected to one end of the piston rod of the adjusting cylinder 502 by bolts, and two limit clamps 505 respectively connected to the outer wall of one side of the connecting plate 503 by bolts, an infrared emitter (not shown in the figure) is provided on one side of the fixing plate 501, the fixing plate 501 is connected to the outer wall of one side of the mounting blocks 301 by bolts, and two first limit rods 504 are connected to the outer wall of one side of the connecting plate 503 by bolts, and one end of the two first limit rods 504 respectively penetrates and is slidably sleeved on the outer wall of the fixing plate 501.

[0039] Example 3, reference Figure 10-11 , a lithium battery packaging structure for an electric vehicle energy storage device, also includes a mounting mechanism 7, the mounting mechanism 7 includes a fixed block 701 connected to the top outer wall of the operating table 1 by bolts, a linear slide 702 connected to the top outer wall of the fixed block 701 by bolts, and a fixed frame 703 connected to the bottom outer wall of the linear slide 702 by bolts, a through hole is opened on one side of the fixed block 701, a conveyor for conveying pole pieces is provided in the through hole, two stabilizing plates are connected to the outer wall of the top of the operating table 1 by bolts on one side of the fixed block 701, and the two stabilizing plates are respectively connected to the outer wall of the top of the operating table 1 by bolts, an infrared receiver (not shown in the figure) is installed on one side of the fixed block 701, the infrared receiver and the infrared transmitter cooperate with each other to realize the start and stop of the conveying motor 306, so that the lithium battery shell 6 is in a suitable position, two triangular plates are connected to the upper inner wall of the fixed block 701 by bolts The top outer wall of the fixed frame 703 is connected with two limit blocks 704 by bolts, and the upper parts of the two limit blocks 704 respectively abut against the top outer wall of the fixed block 701. There are two slides on the top outer wall of the fixed block 701. The two limit blocks 704 are slidably installed in the two slides. A picking assembly 8 is provided in the fixed frame 703. The picking assembly 8 includes a lifting cylinder 801 connected to the bottom inner wall of the fixed frame 703 by bolts, a connecting block 802 connected to the bottom end of the piston rod of the lifting cylinder 801 by bolts, and two vacuum suction cups 803 respectively connected to the bottom outer wall of the connecting block 802 by bolts. The two vacuum suction cups 803 are respectively connected to the vacuum pump through hoses. Two second limit rods 804 are connected to the top outer wall of the connecting block 802 by bolts. The two second limit rods 804 respectively penetrate and are slidably sleeved on the bottom inner wall of the fixed frame 703.

[0040] Example 3, reference Figure 1-2A lithium battery packaging structure for an electric vehicle energy storage device also includes a laser welding assembly 9 connected to one side of a fixed frame 703 by bolts. The laser welding assembly 9 is a laser welding structure in the prior art, which can realize the functions of the prior art such as lifting and lowering of the laser welding gun and laser welding.

[0041] The output shaft of the conveying motor 306 drives one of the conveying rollers 304 to rotate, thereby driving the conveyor belt 305 to convey the lithium battery shell 6. One end of the piston rod of the regulating cylinder 502 drives the connecting plate 503 to move, thereby driving the two limiting clamps 505 to move, so that one side of the two limiting clamps 505 respectively contacts the two sides of the lithium battery shell 6. The two limiting clamps 505 and the two extrusion frames 307 cooperate with each other to limit and fix the lithium battery shell 6. A through hole is opened on one side of the fixed block 701 so that one end of the conveyor for conveying the electrode passes through the through hole. The linear slide 702 drives the two vacuum suction cups 803 to move, and then the piston rod of the lifting cylinder 801 drives the vacuum suction cup 803 to descend to adsorb and fix the electrode on the conveyor, and then the piston rod of the lifting cylinder 801 is reset, and the linear slide 702 drives the vacuum suction cup 803 and the electrode to move above the lithium battery shell 6, and the piston rod of the lifting cylinder 702 drives the connecting block 802 to descend and transport the electrode into the lithium battery shell 6. The vacuum suction cup 803 adsorbs the top cover, and then the laser welding assembly 9 is used to laser weld the lithium battery shell 6 and the top cover.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0044] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A lithium battery packaging structure for an electric vehicle energy storage device, comprising an operating table (1) and a lithium battery housing (6), characterized in that: The operating table (1) is provided with an adjustment mechanism (2) on the top, and two conveying assemblies (3) are provided on the operating table (1), wherein the conveying assemblies (3) include a mounting block (301) connected to the outer wall of the top of the threaded block (204) by bolts, two sliders (302) connected to the outer wall of the bottom of the mounting block (301) by bolts, a mounting frame (303) connected to the outer wall of one side of the mounting block (301) by bolts, two conveying rollers (304) with two ends respectively passing through the outer wall of the mounting frame (303) and connected to the outer wall of the mounting frame (303) by bearings, and a roller sleeved on the outer wall of the two conveying rollers (304). A conveyor belt (305), a conveying motor (306) connected to the outer wall of the top of the mounting frame (303) by bolts, and an extrusion frame (307) connected to the inner wall of the mounting frame (303) by bolts. Two reinforcing plates are welded on the outer wall of the mounting block (301). Two sliders (302) are slidably mounted on the outer walls of two slide rails (205) respectively. The conveying motor (306) is connected to the upper outer wall of one of the conveying rollers (304) by a coupling. One side of the extrusion frame (307) abuts against the inner wall of one side of the conveyor belt (305). A support mechanism (4) is provided on the top of the operating table (1). The operating table (1) is provided with a limit assembly (5), the limit assembly (5) comprising a fixed plate (501), an adjusting cylinder (502) connected to an outer wall of one side of the fixed plate (501) by bolts, a connecting plate (503) connected to one end of a piston rod of the adjusting cylinder (502) by bolts, and two limit clamps (505) respectively connected to an outer wall of one side of the connecting plate (503) by bolts; The top of the operating table (1) is provided with a mounting mechanism (7), and the mounting mechanism (7) comprises a fixing block (701) connected to the outer wall of the top of the operating table (1) by bolts, a linear slide (702) connected to the outer wall of the top of the fixing block (701) by bolts, and a fixing frame (703) connected to the outer wall of the bottom of the linear slide (702) by bolts, a through hole is opened on one side of the fixing block (701), and a conveyor for conveying the electrode is provided in the through hole, and a through hole is opened on the outer wall of the fixing block (701) by bolts. Two stabilizing plates are connected, and the two stabilizing plates are respectively connected to the top outer wall of the operating table (1) by bolts, two triangular plates are connected to the upper inner wall of the fixed block (701) by bolts, two limit blocks (704) are connected to the top outer wall of the fixed frame (703) by bolts, and the upper parts of the two limit blocks (704) are respectively in contact with the top outer wall of the fixed block (701), and two slideways are opened on the top outer wall of the fixed block (701), and the two limit blocks (704) are respectively slidably installed in the two slideways; A pickup assembly (8) is provided in the fixing frame (703), and the pickup assembly (8) comprises a lifting cylinder (801) connected to the inner wall of the bottom of the fixing frame (703) by bolts, a connecting block (802) connected to the bottom end of the piston rod of the lifting cylinder (801) by bolts, and two vacuum suction cups (803) respectively connected to the outer wall of the bottom of the connecting block (802) by bolts; A laser welding assembly (9) is provided on one side of the fixing frame (703).

2. A lithium battery packaging structure for an electric vehicle energy storage device according to claim 1, characterized in that: The operating table (1) comprises a mounting frame, a support platform connected to the outer wall of the top of the mounting frame by bolts, and a protective cover connected to the outer wall of the mounting frame by bolts, the mounting frame is composed of multiple groups of aluminum profiles, and the multiple groups of aluminum profiles are fixed by bolts respectively, and the protective cover is composed of four groups of sheet metal plates.

3. The lithium battery packaging structure for an electric vehicle energy storage device according to claim 1, characterized in that: The adjustment mechanism (2) comprises two mounting plates (201) respectively connected to the outer wall of the top of the operating table (1) by bolts, an adjustment motor (202) connected to the outer wall of one side of one of the mounting plates (201) by bolts, a bidirectional screw (203) connected to one end of the output shaft of the adjustment motor (202) by a coupling, two threaded blocks (204) respectively screwed to the outer walls at both ends of the bidirectional screw (203), and two slide rails (205) respectively connected to the outer wall of the top of the operating table (1) by bolts, one end of the bidirectional screw (203) passes through and is connected to the outer wall of one of the mounting plates (201) by a bearing, and the two ends of the two slide rails (205) respectively abut against the outer walls of the opposite sides of the two mounting plates (201).

4. The lithium battery packaging structure for an electric vehicle energy storage device according to claim 1, characterized in that: The support mechanism (4) comprises a support frame (401) connected to the top outer wall of the operating table (1) by bolts and a support seat (402) connected to the top outer wall of the operating table (1) by bolts, the top of the support seat (402) abuts against the top inner wall of the support frame (401), and the support seat (402) is sleeved on the outer wall of the bidirectional screw (203).

5. The lithium battery packaging structure for an electric vehicle energy storage device according to claim 1, characterized in that: The fixing plate (501) is connected to the outer wall of one of the mounting blocks (301) by bolts, and two first limiting rods (504) are connected to the outer wall of one of the connecting plates (503) by bolts, and one end of the two first limiting rods (504) respectively passes through and is slidably sleeved on the outer wall of the fixing plate (501).

6. A lithium battery packaging structure for an electric vehicle energy storage device according to claim 4, characterized in that: The lithium battery housing (6) abuts against the top outer wall of the support frame (401), and two sides of the lithium battery housing (6) respectively abut against the outer walls of the two conveyor belts (305) on opposite sides.

7. The lithium battery packaging structure for an electric vehicle energy storage device according to claim 1, characterized in that: The two vacuum suction cups (803) are respectively connected to the vacuum pump via a hose, and two second limiting rods (804) are connected to the top outer wall of the connecting block (802) via bolts, and the two second limiting rods (804) respectively penetrate and are slidably sleeved on the bottom inner wall of the fixed frame (703).

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