Discharge device for recycling waste lithium battery
By designing connecting plates and socket frames, combined with support adjustment and extension compression components, layered storage of lithium batteries is achieved, solving the problems of insufficient contact between lithium batteries and salt water and heat concentration, improving discharge efficiency and safety, and reducing operational complexity and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGXI HUILI NEW MATERIALS CO LTD
- Filing Date
- 2026-04-13
- Publication Date
- 2026-07-07
AI Technical Summary
In existing discharge devices for recycling waste lithium batteries, the lithium batteries are stacked together, resulting in insufficient contact with salt water, long and uneven discharge time, concentrated heat, and safety risks. At the same time, the dispersed placement requires manual operation or complex conveying mechanisms, which increases costs and reduces efficiency.
The design employs a connecting plate and socket frame, combined with support adjustment components and extension compression components. It utilizes the gravity of the lithium batteries themselves to achieve layered storage, and the layered placement and collection of lithium batteries are achieved through the unfolding and retraction of the hinge plates, simplifying the operation process.
It improves the uniformity of contact between lithium batteries and salt water, shortens discharge time, reduces safety risks, lowers costs, and improves operational efficiency.
Smart Images
Figure CN122348293A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of battery recycling technology, and specifically to a discharge device for recycling waste lithium batteries. Background Technology
[0002] With the rapid development of industries such as new energy vehicles and portable electronic devices, the use of lithium batteries has surged year by year, resulting in a large amount of waste lithium batteries. Waste lithium batteries contain valuable metals such as cobalt, nickel, and lithium, as well as residual electrical energy. Direct dismantling or crushing of these batteries could cause short circuits, overheating, or even fires and explosions, seriously threatening the safety of operators and causing environmental pollution. Therefore, waste lithium batteries must be fully discharged before dismantling and recycling to eliminate safety hazards. Saltwater immersion discharge is widely used due to its low cost and relatively simple operation.
[0003] For example, Chinese invention patent CN120413860B discloses a discharge device for recycling waste lithium batteries. It utilizes a winch and a multi-stage telescopic drum in conjunction with an independent immersion frame and a placement frame structure to perform targeted discharge on batteries with different remaining charge levels. At the same time, the loading and unloading components support independent transport of batteries before and after discharge, ensuring continuous and batch operations. Furthermore, the mixing components can adjust the brine ratio in real time to ensure a consistent electrolyte environment during discharge, thereby improving the stability of the discharge effect and the resource recycling rate.
[0004] However, considering the aforementioned patents and existing technologies, current discharge devices for recycling waste lithium batteries still have the following shortcomings during use:
[0005] Existing brine discharge devices typically use a large container or tank to immerse batches of used lithium batteries in brine for static discharge. This batch stacking method results in insufficient contact between the batteries inside and the brine, leading to long and uneven discharge times. Furthermore, the stacked batteries may experience accidental short circuits, and the generated heat is more concentrated, hindering heat dissipation and posing safety risks. Inspired by the aforementioned patents and related technologies, multi-layer trays or conveyor structures exist to distribute the lithium batteries and increase the contact area with the brine. However, this requires manual layer-by-layer placement or the use of complex conveyor mechanisms, increasing costs. Moreover, the process of adding and removing batteries is cumbersome and inefficient. Summary of the Invention
[0006] The purpose of this invention is to address the problems of insufficient contact between the internal lithium batteries and salt water when waste lithium batteries are stacked together, resulting in long and uneven discharge times and concentrated heat generation, which is not conducive to heat dissipation and poses safety risks. Furthermore, existing decentralized placement methods require manual layer-by-layer placement or the use of complex conveying mechanisms, which increases costs and is cumbersome and inefficient. This invention provides a discharge device for recycling waste lithium batteries.
[0007] To achieve the above objectives, the present invention specifically adopts the following technical solution:
[0008] A discharge device for recycling waste lithium batteries includes connecting plates arranged horizontally vertically, each with a rectangular groove in its center. A connecting frame is provided between adjacent bottom connecting plates. A fixing frame is fixedly installed at the top of the uppermost connecting plate. A support adjustment component is provided at the top of each connecting plate, allowing for switching between downward dropping and support of the lithium battery. An extension compression component is provided between the two sides of the connecting plates, allowing the connecting plates to extend downwards using the weight of the lithium battery and triggering the support adjustment component to support the battery. A support plate is fixedly installed at the top of the fixing frame. A lifting rod is inserted into each corner of the connecting plates, extending from bottom to top through the connecting plate and the support plate. A top plate is fixedly installed at the top of the lifting rod.
[0009] Furthermore, the socket frame is composed of two interlocking frames, and the upper and lower ends of the socket frame are respectively fixedly installed to the adjacent ends of two adjacent connecting plates.
[0010] Furthermore, both the socket frame and the fixing frame enclose the rectangular groove, and holes are provided on the periphery of both the socket frame and the fixing frame.
[0011] Furthermore, a limiting block is fixedly connected to the bottom end of the lifting rod, and the limiting block is used to limit the downward movement of the bottom connecting plate.
[0012] Furthermore, a feeding groove is provided at the center of both the support plate and the top plate, and the feeding grooves are aligned vertically. Lifting rings are uniformly fixedly installed on the top of the top plate.
[0013] Furthermore, the support adjustment assembly includes a limiting strip, which is fixedly connected to the top of the connecting plate and symmetrically arranged on the left and right sides of the rectangular groove. The hinge plate is arranged back and forth between the limiting strips on the left and right sides above the connecting plate. Rollers are rotatably connected to the hinge points on both the left and right ends of the hinge plate away from the center. The rollers are limited and rolled to the inner side of the limiting strip. The hinge plate has a through hole running vertically. The spindle passes through the hinge point in the center of the hinge plate, allowing the hinge plate to rotate around the spindle. The connecting rod is fixedly installed on the left and right ends of the spindle. The vertical rod is fixedly connected to the bottom end of the connecting rod and passes downward through the connecting plate. A spring is wrapped around the outside of the vertical rod and is fixedly connected between the bottom end of the connecting plate and the bottom of the vertical rod.
[0014] Furthermore, the mandrel passes through the left and right side walls of the socket frame and the fixed frame, and the left and right side walls of the socket frame and the fixed frame are provided with sliding grooves for the mandrel to move up and down.
[0015] Furthermore, the spring at the lowest connecting plate is a compression spring. When no external force is applied, the lowest connecting rod is pressed downward against the top of the connecting plate under the pressure of the spring in the compressed state. The springs at the other connecting plates are all tension springs. When no external force is applied, the connecting rod is pushed upward away from the connecting plate under the tension of the spring in the stretched state.
[0016] Furthermore, handles are fixedly installed at both ends of the lowermost connecting rod, and the handles extend to both sides of the left and right end faces of the connecting plate.
[0017] Furthermore, the extended compression assembly includes a traction shaft, which is symmetrically and fixedly installed at the top ends of the left and right sides of the connecting plate, and the traction shaft passes upward through the adjacent connecting plate above. The compression sleeve is fixedly installed at the top end of the traction shaft, and an extrusion block is fixedly connected to the bottom of the adjacent side of the compression sleeve on the left and right sides. The extrusion block is located above the connecting rod. The second spring wraps around the outside of the top of the traction shaft and is fixedly connected between the top end of the connecting plate and the top end of the compression sleeve.
[0018] The beneficial effects of this invention are as follows:
[0019] This invention, through the design of the connecting plate and socket frame, combined with the function of the support and adjustment components, enables the layered storage of lithium batteries. This avoids the stacking of a large number of lithium batteries together, thereby preventing insufficient contact between the internal lithium batteries and the salt water, resulting in long and uneven discharge times. It also avoids potential short circuits and the safety risks caused by concentrated heat and poor heat dissipation. By combining the support and adjustment components and the extension compression components, lithium batteries can be directly placed in the system, and their own gravity can be used to achieve layered storage. After discharge, the lithium batteries can fall downwards in a concentrated manner for collection. The structure is simple and effective, reduces manufacturing costs, and makes operation more convenient and faster, improving efficiency. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 3 ;
[0023] Figure 4 This is an exploded view of the three-dimensional structure of the present invention;
[0024] Figure 5 This is a partial three-dimensional structural schematic diagram of the present invention;
[0025] Figure 6 This is a partial cross-sectional three-dimensional structural schematic diagram of the present invention;
[0026] Figure 7 This is a three-dimensional structural diagram of the connecting plate, support adjustment assembly, and extension compression assembly of the present invention;
[0027] Figure 8 This is a three-dimensional structural diagram of the connecting plate and support adjustment assembly of the present invention;
[0028] Figure 9 This is an exploded view of the three-dimensional structure of the connecting plate and the support adjustment assembly of the present invention;
[0029] Figure 10 This is a partial three-dimensional structural diagram of the support and adjustment component of the present invention;
[0030] Figure 11 This is a three-dimensional structural diagram of the central connecting plate, support adjustment assembly, and extension compression assembly of the present invention;
[0031] Figure 12 This is a schematic diagram of the three-dimensional structure of the extended compression component of the present invention;
[0032] Figure 13 This is a three-dimensional structural diagram of the bottom connecting plate and the support adjustment assembly of the present invention.
[0033] Reference numerals: 1. Connecting plate; 101. Rectangular groove; 2. Sleeve frame; 3. Fixing frame; 4. Support and adjustment assembly; 401. Limiting strip; 402. Hinge plate; 4021. Roller; 403. Mandrel; 404. Connecting rod; 405. Vertical rod; 406. Spring one; 5. Extension and compression assembly; 501. Pulling shaft; 502. Compression sleeve; 5021. Extrusion block; 503. Spring two; 6. Support plate; 7. Lifting rod; 701. Limiting block; 8. Top plate; 9. Feeding trough; 10. Lifting ring; 11. Slide groove; 12. Handle; 13. Battery holder. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0035] A preferred embodiment of the present invention, a discharge device for recycling waste lithium batteries, will be described in detail below, such as... Figures 1-6 As shown, a discharge device for recycling waste lithium batteries includes a connecting plate 1, which is arranged horizontally in the upper and lower parts. A rectangular groove 101 is provided in the center of each connecting plate 1. A socket frame 2 is provided between two adjacent connecting plates 1 at the bottom. A fixing frame 3 is fixedly installed at the top of the uppermost connecting plate 1.
[0036] Furthermore, the socket frame 2 consists of two interlocking frames with staggered inner and outer ends, and the upper and lower ends of the socket frame 2 are respectively fixedly installed to the adjacent ends of two adjacent connecting plates 1. Through the staggered interlocking design of the socket frame 2, the bottom connecting plate 1 can be retracted and brought closer together, while the socket frame 2 can ensure the wrapping of the central area between the connecting plates 1.
[0037] Both the socket frame 2 and the fixing frame 3 enclose the rectangular groove 101, and holes are provided on the outer periphery of both the socket frame 2 and the fixing frame 3. This allows for the insertion of the battery 13 (it should be noted that, as...) Figures 1-2 As shown, in order to facilitate observation of the structure of the discharge device, not all structural features of the discharge battery 13 are drawn. Only the opening area at the top of the discharge battery 13 for inserting the discharge device is drawn. After that, the salt water can enter the inner side of the socket frame 2 and the fixing frame 3.
[0038] like Figures 7-10 As shown, each of the connecting plates 1 is provided with a support adjustment component 4 on its top. The support adjustment component 4 is used to switch between supporting and discharging the lithium battery as it falls downwards.
[0039] The support adjustment assembly 4 includes a limiting strip 401, which is fixedly connected to the top of the connecting plate 1 and symmetrically arranged on the left and right sides of the rectangular groove 101. Hinges 402 are arranged back-to-back between the limiting strips 401 on the left and right sides above the connecting plate 1. Rollers 4021 are rotatably connected to the hinge points at both ends of the hinges 402, away from the center. The rollers 4021 are all limited and rolled within the limiting strips 401. The design of the rollers 4021 reduces wear on both ends of the hinges 402 within the limiting strips 401. Simultaneously, the movement of the rollers 4021 within the limiting strips 401 allows the hinges 402 to unfold downwards or retract upwards.
[0040] The hinge plate 402 has through holes running vertically. This allows the salt water to flow between the hinge plates 402 when the hinge plate 402 is unfolded downwards, and also helps to increase the contact area between the salt water and the lithium battery on the hinge plate 402.
[0041] The spindle 403 passes through the hinge in the center of the hinge plate 402, allowing the hinge plate 402 to rotate around the spindle 403. The spindle 403 passes through the left and right side walls of the sleeve frame 2 and the fixed frame 3, and the left and right side walls of the sleeve frame 2 and the fixed frame 3 are provided with sliding grooves 11 for the spindle 403 to move up and down. This allows the spindle 403 to move up and down. When the spindle 403 moves upward, the hinge in the center of the hinge plate 402 moves upward, and with the limiting strip 401 limiting the roller 4021, the hinge plate 402 can retract and lift upward, allowing the lithium battery to fall downward through the gap in the hinge plate 402. Conversely, when the spindle 403 moves downward, the hinge plate 402 can unfold downward, thereby supporting the lithium battery.
[0042] Connecting rod 404 is fixedly installed at both ends of spindle 403. Vertical rod 405 is fixedly connected to the bottom end of connecting rod 404 and extends downward through connecting plate 1. Spring 406 wraps around the outside of vertical rod 405 and is fixedly connected between the bottom end of connecting plate 1 and the bottom of vertical rod 405. Spring 406 at the bottommost connecting plate 1 is a compression spring. When no external force is applied, connecting rod 404 is pressed downward against the top of connecting plate 1 under the pressure of spring 406 in its compressed state. Springs 406 at the other connecting plates 1 are tension springs. When no external force is applied, connecting rod 404 is pushed upward away from connecting plate 1 under the tension of spring 406 in its stretched state. Therefore, in the initial state, hinge plate 402 at the center of the bottommost connecting plate 1 is in a downward unfolded state, while hinge plates 402 at the centers of the other upper connecting plates 1 are in an upward retracted and pushed-up state. Therefore, when the lithium battery is deployed, it first falls into the bottommost socket frame 2 and is supported by the hinge plate 402 (it should be noted that, as Figure 7 , Figure 13As shown, the bottom connecting plate 1 adopts a double-layer thickened design because after the discharge is completed, the upward contraction of the connecting plate 1 will cause all the lithium batteries to fall into the bottom socket 2. Therefore, the bottom connecting plate 1 needs to have greater support capacity.
[0043] Furthermore, such as Figure 13 As shown, handles 12 are fixedly installed at both ends of the bottom connecting rod 404, extending to the left and right sides of the connecting plate 1. The handles 12 facilitate pulling the bottom connecting rod 404 upwards after discharge, causing the hinge plate 402 to retract and lift, allowing the lithium battery to fall downwards for collection. Furthermore, the design of the handles 12 extending to the left and right sides of the connecting plate 1 allows the bottom connecting plate 1 to fall into the collection frame through contact with the opening. The handles 12, under the reaction force, move upwards relative to the connecting plate 1, achieving the same effect of causing the lithium battery to fall downwards for collection, making it more convenient.
[0044] like Figures 11-13 As shown, an extension compression assembly 5 is provided between the two sides of the connecting plate 1. The extension compression assembly 5 is used to extend the connecting plate 1 downward by the gravity of the lithium battery and trigger the support adjustment assembly 4 to support the lithium battery.
[0045] The extension compression assembly 5 includes a pull shaft 501, which is symmetrically fixedly installed on the top of the left and right sides of the connecting plate 1, and the pull shaft 501 extends upward through the adjacent connecting plate 1 above. The compression sleeve 502 is fixedly installed on the top of the pull shaft 501. The bottom of the adjacent side of the compression sleeve 502 on the left and right sides is fixedly connected to the compression block 5021, which is located above the connecting rod 404. The second spring 503 is wrapped around the outside of the top of the pull shaft 501 and is fixedly connected between the top of the connecting plate 1 and the top of the compression sleeve 502. Therefore, after the lithium battery falls into the bottom socket 2, the weight of the lithium battery causes the bottom connecting plate 1 to move downwards, which in turn causes the pull shafts 501 on both sides to compress the springs 503 downwards, until the compression sleeve 502 moves downwards, causing the pressing block 5021 to press the connecting rod 404 downwards. When the connecting rod 404 is pressed downwards, it stretches the spring 406, causing the spindle 403 to move downwards, which in turn causes the hinge plate 402 to unfold downwards. Thus, after a certain weight of lithium battery accumulates in the bottom socket 2, the upper hinge plate 402 unfolds downwards to support the lithium battery, and so on, to achieve layered storage of lithium batteries. (It should be noted that since the weight of the lithium batteries stored at the bottom is cumulative, in this embodiment, if...) Figure 7As shown, increasing the number of extension compression components 5 avoids the situation where all connecting plates 1 move down the same distance synchronously when a certain weight of lithium battery accumulates in the bottom socket 2, thus preventing gradual downward movement. Changing the elastic coefficient of spring 2 503 is also an obvious means for those skilled in the art to solve this problem.
[0046] like Figures 1-4 As shown, a support plate 6 is fixedly installed at the top of the fixed frame 3, and lifting rods 7 are inserted into the corners of the connecting plate 1. The lifting rods 7 pass through the connecting plate 1 and the support plate 6 from bottom to top, and a top plate 8 is fixedly installed at the top of the lifting rods 7. A limiting block 701 is fixedly connected to the bottom of the lifting rods 7, which is used to limit the downward movement of the bottom connecting plate 1. Therefore, when the discharge device needs to be detached from the discharge battery 13 after discharge, the lifting rods 7 are pulled upward by the top plate 8. By using the limiting block 701 at the bottom of the lifting rods 7 to limit the bottom connecting plate 1, the connecting plate 1 can first retract and move closer, so that the lithium battery accumulates inside the bottom socket frame 2, and then the entire discharge device is lifted upward and detached from the discharge battery 13.
[0047] Both the support plate 6 and the top plate 8 have feeding slots 9 at their center, and the feeding slots 9 are aligned vertically. Lifting rings 10 are evenly fixedly installed on the top of the top plate 8. The lithium batteries are fed through the feeding slots 9, and the lifting rings 10 facilitate the connection between the top plate 8 and the lifting mechanism to drive the top plate 8 to move up and down and to transfer the entire discharge device.
[0048] The working principle of this invention will now be explained by the insertion of the lithium battery during discharge and the removal of the lithium battery after discharge:
[0049] Lithium battery discharge process:
[0050] After the top plate 8 is connected to the lifting mechanism via the lifting ring 10, the lifting mechanism is used to move the discharge device to the opening at the top of the discharge battery 13, and then move it downward so that the bottom of the discharge device enters the interior of the discharge battery 13 until the support plate 6 contacts the end face at the top opening of the discharge battery 13 to support the fixed frame 3. Then the top plate 8 is lowered until the top plate 8 contacts the support plate 6.
[0051] At this time, the bottom connecting plate 1 is in a contracted and close state under the action of the second spring 503, so that the extrusion block 5021 on the compression sleeve 502 does not press the connecting rod 404 downward. Except for the bottom connecting rod 404, the other connecting rods 404 are lifted upward under the action of the first spring 406, which in turn drives the spindle 403 to lift upward, so that the upper hinge plate 402 is in an upward contracted and lifted state.
[0052] At this time, lithium batteries are directly added through the feeding trough 9. The lithium batteries will fall from the upper hinge plate 402 to the lower hinge plate 402. As the weight of the lithium batteries increases, the lower connecting plate 1 will move downward along the lifting rod 7, and the pulling shaft 501 and the compression sleeve 502 will compress the spring 503 downward until the compression sleeve 502 moves downward until the pressing block 5021 presses down the connecting rod 404 and contacts the top end face of the connecting plate 1. During the process of the connecting rod 404 moving down to contact the top end face of the connecting plate 1, the synchronous downward movement of the spindle 403 and the limiting strip 401 limiting the rollers 4021 at both ends of the hinge plate 402 can make the hinge plate 402 unfold downward, so that the upper hinge plate 402 can accumulate a new round of lithium batteries.
[0053] By increasing the number of compression components 5 extending from bottom to top, the hinge plate 402 at the center of the connecting plate 1 can unfold downwards one by one from bottom to top after the lithium battery reaches a certain weight, thereby realizing the layered placement of lithium batteries and avoiding a large number of lithium batteries being stacked together.
[0054] Removal of the lithium battery after discharge:
[0055] After the lithium battery discharge is complete, the lifting mechanism pulls the top plate 8 upward, which in turn moves the lifting rod 7 upward. The bottom limiting block 701 of the lifting rod 7 limits the connecting plate 1, allowing the connecting plate 1 to retract and move closer together. This releases the pressure block 5021 on the compression sleeve 502 from the downward pressure on the connecting rod 404. The connecting rod 404 then moves upward again under the action of the spring 406, which in turn moves the spindle 403 upward, causing the hinge plate 402 to retract and lift upward. Therefore, all the lithium batteries can fall downward through the hinge plate 402 into the interior of the bottom socket frame 2.
[0056] Then, continue pulling the top plate 8 to detach the discharge device from the discharge battery 13 and move it above the collection frame. Then, pull the bottom connecting rod 404 upwards through the handle 12, so that the bottom hinge plate 402 retracts and lifts upwards, allowing all the lithium batteries accumulated inside the bottom socket 2 to fall downwards and complete the collection.
[0057] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A discharge device for recycling waste lithium batteries, comprising a connecting plate (1), characterized in that, The connecting plates (1) are arranged horizontally in the upper and lower directions, and a rectangular groove (101) is provided in the center of each connecting plate (1). A socket frame (2) is provided between two adjacent connecting plates (1) at the bottom, and a fixing frame (3) is fixedly installed at the top of the uppermost connecting plate (1). The top of each connecting plate (1) is provided with a support adjustment component (4). The support adjustment component (4) is used to switch between the downward fall and support of the lithium battery by adjustment. An extension compression component (5) is provided between the two sides of the connecting plate (1). The extension compression component (5) is used to extend the connecting plate (1) downward by the gravity of the lithium battery and trigger the support adjustment component (4) to support the lithium battery. A support plate (6) is fixedly installed at the top of the fixed frame (3), and a lifting rod (7) is inserted at the corner of the connecting plate (1). The lifting rod (7) passes through the connecting plate (1) and the support plate (6) from bottom to top, and a top plate (8) is fixedly installed at the top of the lifting rod (7).
2. The discharge device for recycling waste lithium batteries according to claim 1, characterized in that, The socket frame (2) is composed of two frames that are staggered inside and out, and the upper and lower ends of the socket frame (2) are respectively fixedly installed to the adjacent ends of two adjacent connecting plates (1).
3. The discharge device for recycling waste lithium batteries according to claim 2, characterized in that, Both the socket frame (2) and the fixing frame (3) enclose the rectangular groove (101), and holes are provided on the periphery of both the socket frame (2) and the fixing frame (3).
4. The discharge device for recycling waste lithium batteries according to claim 1, characterized in that, The bottom end of the lifting rod (7) is fixedly connected to a limiting block (701), which is used to limit the downward movement of the bottom connecting plate (1).
5. The discharge device for recycling waste lithium batteries according to claim 1, characterized in that, The support plate (6) and the top plate (8) are both provided with a feeding groove (9) at the center, and the feeding groove (9) are aligned vertically. The top of the top plate (8) is uniformly fixed with lifting rings (10).
6. The discharge device for recycling waste lithium batteries according to claim 1, characterized in that, The support adjustment component (4) includes: Limiting strip (401), the limiting strip (401) is fixedly connected to the top of the connecting plate (1), and the limiting strip (401) is symmetrically arranged on the left and right sides of the rectangular groove (101); The hinge plate (402) is arranged in a front-to-back manner between the left and right limiting strips (401) above the connecting plate (1). Rollers (4021) are rotatably connected at the hinge points on both the left and right ends of the hinge plate (402) away from the center. The rollers (4021) are all limited and rolled to the inside of the limiting strips (401). The hinge plate (402) has a through hole running vertically through it. A spindle (403) passes through the hinge in the center of the hinge plate (402), allowing the hinge plate (402) to rotate around the spindle (403); Connecting rod (404), the connecting rod (404) is fixedly installed at the left and right ends of the spindle (403); A vertical rod (405) is fixedly connected to the bottom end of a connecting rod (404) and extends downward through a connecting plate (1). Spring 1 (406) is wrapped around the outside of the vertical rod (405) and is fixedly connected between the bottom end of the connecting plate (1) and the bottom of the vertical rod (405).
7. The discharge device for recycling waste lithium batteries according to claim 6, characterized in that, The mandrel (403) passes through the left and right side walls of the socket frame (2) and the fixed frame (3), and the left and right side walls of the socket frame (2) and the fixed frame (3) are provided with sliding grooves (11) for the mandrel (403) to move up and down.
8. The discharge device for recycling waste lithium batteries according to claim 6, characterized in that, The spring 1 (406) at the bottommost connecting plate (1) is a compression spring. When there is no external force, the bottommost connecting rod (404) is attached downward to the top of the connecting plate (1) under the pressure of the spring 1 (406) in the compressed state. The spring 1 (406) at the other connecting plates (1) are all tension springs. When there is no external force, the connecting rod (404) is pushed upward away from the connecting plate (1) under the tension of the spring 1 (406) in the stretched state.
9. The discharge device for recycling waste lithium batteries according to claim 8, characterized in that, Handles (12) are fixedly installed at the left and right ends of the bottom connecting rod (404), and the handles (12) extend to both sides of the left and right end faces of the connecting plate (1).
10. The discharge device for recycling waste lithium batteries according to claim 6, characterized in that, The extended compression component (5) includes: The traction shaft (501) is symmetrically fixedly installed at the top of the left and right sides of the connecting plate (1), and the traction shaft (501) extends upward through the adjacent connecting plate (1) above. Compression sleeve (502), the compression sleeve (502) is fixedly installed on the top of the traction shaft (501), and the bottom of the adjacent side of the compression sleeve (502) on the left and right sides is fixedly connected to the extrusion block (5021), the extrusion block (5021) is located above the connecting rod (404); Spring 2 (503) is wrapped around the outside of the top of the traction shaft (501) and is fixedly connected between the top of the connecting plate (1) and the top of the compression sleeve (502).